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B6-hLPA (CKI) /Alb-cre
製品ID :
C001522
系統:
C57BL/6NCya
状況:
説明:
Lipoprotein A (LPA) is a type of particle similar to low-density lipoprotein (LDL) that is considered one of the risk factors for cardiovascular disease (CVD), such as atherosclerosis, coronary heart disease, stroke, etc [1]. LP(a) is similar in size and lipid content to LDL (low-density lipoprotein) and also contains the lipoprotein ApoB-100. However, unlike LDL, LP(a) additionally contains a variable-length lipoprotein called Apo(a), which covalently binds to ApoB-100 through a single disulfide bond. LP(a) plays an important role in systemic lipid transport, guiding inflammatory cells into blood vessel walls and leading to smooth muscle cell proliferation. Furthermore, it is involved in wound healing and tissue repair, interacting with the components of blood vessel walls and the extracellular matrix [2]. However, LP(a) can also cause arterial narrowing by adhering to the arterial wall, accelerating the formation of blood clots, and thereby triggering a series of pathological changes related to coronary heart disease, cardiovascular disease, atherosclerosis, thrombus formation, and stroke [3].
The plasma concentration of LP(a) is closely related to genetic factors and is primarily regulated by the LPA gene. Therefore, the LPA gene is an important potential target for cardiovascular disease treatment. The LPA gene encodes a serine protease that inhibits the activity of tissue-type plasminogen activator I. Fragments of this protein, generated through protein hydrolysis, can adhere to atherosclerotic lesions in arteries, promoting blood clot formation. The LPA gene is expressed in both humans and non-human primates but is not expressed in mice. Constructing mouse models expressing the human LPA gene is of significant importance for developing lipid-lowering drugs, which can drive the development of novel therapies for cardiovascular diseases. Currently, various novel therapies targeting the transcription rate of the LPA gene are under development, including small interfering RNA (siRNA) and antisense oligonucleotides (ASO) [4].
This strain was generated by mating B6-hLPA(CKI) mice (catalog number: C001521) with Alb-Cre mice (liver-specific Cre-expressing mice), resulting in a mouse model with liver-specific overexpression of the human LPA gene. B6-hLPA(CKI)/Alb-cre mice can be used to study the relationship between the LPA gene and hyperlipidemia and related cardiovascular diseases.
Lipoprotein A (LPA) is a type of particle similar to low-density lipoprotein (LDL) that is considered one of the risk factors for cardiovascular disease (CVD), such as atherosclerosis, coronary heart disease, stroke, etc [1]. LP(a) is similar in size and lipid content to LDL (low-density lipoprotein) and also contains the lipoprotein ApoB-100. However, unlike LDL, LP(a) additionally contains a variable-length lipoprotein called Apo(a), which covalently binds to ApoB-100 through a single disulfide bond. LP(a) plays an important role in systemic lipid transport, guiding inflammatory cells into blood vessel walls and leading to smooth muscle cell proliferation. Furthermore, it is involved in wound healing and tissue repair, interacting with the components of blood vessel walls and the extracellular matrix [2]. However, LP(a) can also cause arterial narrowing by adhering to the arterial wall, accelerating the formation of blood clots, and thereby triggering a series of pathological changes related to coronary heart disease, cardiovascular disease, atherosclerosis, thrombus formation, and stroke [3].
The plasma concentration of LP(a) is closely related to genetic factors and is primarily regulated by the LPA gene. Therefore, the LPA gene is an important potential target for cardiovascular disease treatment. The LPA gene encodes a serine protease that inhibits the activity of tissue-type plasminogen activator I. Fragments of this protein, generated through protein hydrolysis, can adhere to atherosclerotic lesions in arteries, promoting blood clot formation. The LPA gene is expressed in both humans and non-human primates but is not expressed in mice. Constructing mouse models expressing the human LPA gene is of significant importance for developing lipid-lowering drugs, which can drive the development of novel therapies for cardiovascular diseases. Currently, various novel therapies targeting the transcription rate of the LPA gene are under development, including small interfering RNA (siRNA) and antisense oligonucleotides (ASO) [4].
This strain was generated by mating B6-hLPA(CKI) mice (catalog number: C001521) with Alb-Cre mice (liver-specific Cre-expressing mice), resulting in a mouse model with liver-specific overexpression of the human LPA gene. B6-hLPA(CKI)/Alb-cre mice can be used to study the relationship between the LPA gene and hyperlipidemia and related cardiovascular diseases.
B6-hLPA (CKI)
製品ID :
C001521
系統:
C57BL/6NCya
状況:
説明:
Lipoprotein A (LPA) is a type of particle similar to low-density lipoprotein (LDL) that is considered one of the risk factors for cardiovascular disease (CVD) such as atherosclerosis, coronary heart disease, stroke, etc [1]. LP(a) is similar in size and lipid content to LDL (low-density lipoprotein) and contains the lipoprotein ApoB-100. However, unlike LDL, LP(a) contains a variable-length lipoprotein called Apo(a), which covalently binds to ApoB-100 through a single disulfide bond. LP(a) plays an important role in systemic lipid transport, guiding inflammatory cells into blood vessel walls and leading to smooth muscle cell proliferation. Furthermore, it is involved in wound healing and tissue repair, interacting with the components of blood vessel walls and the extracellular matrix [2]. However, LP(a) can also cause arterial narrowing by adhering to the arterial wall, accelerating the formation of blood clots, and thereby triggering a series of pathological changes related to coronary heart disease, cardiovascular disease, atherosclerosis, thrombus formation, and stroke [3].
The plasma concentration of LP(a) is closely related to genetic factors and is primarily regulated by the LPA gene. Therefore, the LPA gene is an important potential target for cardiovascular disease treatment. The LPA gene encodes a serine protease that inhibits the activity of tissue-type plasminogen activator I. Fragments of this protein, generated through protein hydrolysis, can adhere to atherosclerotic lesions in arteries, promoting blood clot formation. The LPA gene is expressed in both humans and non-human primates but is not expressed in mice. Constructing mouse models expressing the human LPA gene is of significant importance for developing lipid-lowering drugs, which can drive the development of novel therapies for cardiovascular diseases. Currently, various novel therapies targeting the transcription rate of the LPA gene are under development, including small interfering RNA (siRNA) and antisense oligonucleotides (ASO) [4].
This strain was a conditional mouse model expressing the human LPA gene, where the ‘loxP-Stop-loxP-hLPA’ sequence was inserted into the intron 1 of the ROSA26 safe harbor locus. When this model is bred with tool mice expressing Cre recombinase, sequence recombination occurs in the Cre-positive cells and tissues of the offspring mice. After the Cre-recombinase-mediated deletion of the stop element (LSL), specific expression of the human LPA gene can be achieved. The B6-hLPA(CKI) mice can be used for research related to atherosclerosis, and thrombotic cardiovascular diseases, as well as the development, screening, and preclinical evaluation of human LPA gene-targeted drugs.
Lipoprotein A (LPA) is a type of particle similar to low-density lipoprotein (LDL) that is considered one of the risk factors for cardiovascular disease (CVD) such as atherosclerosis, coronary heart disease, stroke, etc [1]. LP(a) is similar in size and lipid content to LDL (low-density lipoprotein) and contains the lipoprotein ApoB-100. However, unlike LDL, LP(a) contains a variable-length lipoprotein called Apo(a), which covalently binds to ApoB-100 through a single disulfide bond. LP(a) plays an important role in systemic lipid transport, guiding inflammatory cells into blood vessel walls and leading to smooth muscle cell proliferation. Furthermore, it is involved in wound healing and tissue repair, interacting with the components of blood vessel walls and the extracellular matrix [2]. However, LP(a) can also cause arterial narrowing by adhering to the arterial wall, accelerating the formation of blood clots, and thereby triggering a series of pathological changes related to coronary heart disease, cardiovascular disease, atherosclerosis, thrombus formation, and stroke [3].
The plasma concentration of LP(a) is closely related to genetic factors and is primarily regulated by the LPA gene. Therefore, the LPA gene is an important potential target for cardiovascular disease treatment. The LPA gene encodes a serine protease that inhibits the activity of tissue-type plasminogen activator I. Fragments of this protein, generated through protein hydrolysis, can adhere to atherosclerotic lesions in arteries, promoting blood clot formation. The LPA gene is expressed in both humans and non-human primates but is not expressed in mice. Constructing mouse models expressing the human LPA gene is of significant importance for developing lipid-lowering drugs, which can drive the development of novel therapies for cardiovascular diseases. Currently, various novel therapies targeting the transcription rate of the LPA gene are under development, including small interfering RNA (siRNA) and antisense oligonucleotides (ASO) [4].
This strain was a conditional mouse model expressing the human LPA gene, where the ‘loxP-Stop-loxP-hLPA’ sequence was inserted into the intron 1 of the ROSA26 safe harbor locus. When this model is bred with tool mice expressing Cre recombinase, sequence recombination occurs in the Cre-positive cells and tissues of the offspring mice. After the Cre-recombinase-mediated deletion of the stop element (LSL), specific expression of the human LPA gene can be achieved. The B6-hLPA(CKI) mice can be used for research related to atherosclerosis, and thrombotic cardiovascular diseases, as well as the development, screening, and preclinical evaluation of human LPA gene-targeted drugs.
B6-hKHK
製品ID :
C001642
系統:
C57BL/6NCya
状況:
説明:
The KHK gene encodes ketohexokinase, an enzyme mainly expressed in the liver, kidneys, and small intestine, and plays a crucial role in fructose metabolism. KHK catalyzes the phosphorylation of fructose into fructose-1-phosphate, which is the first step in the fructose metabolic pathway, enabling its conversion into intermediate products that can enter the glycolytic or gluconeogenic pathways. This gene generates two isoforms (KHK-A and KHK-C). Among them, KHK-C has higher catalytic activity and is mainly expressed in the liver, while KHK-A is widely distributed in various tissues, but its function is not fully understood. The expression and activity of KHK are closely related to fructose intake. Excessive fructose intake will lead to the upregulation of KHK activity, which triggers metabolic disorders, such as metabolic dysfunction-associated steatotic liver disease (MASLD), insulin resistance, and obesity [1]. The excessive activation of KHK-C is closely associated with fructose-induced metabolic dysfunction, and blocking KHK-C can significantly ameliorate metabolic abnormalities in fructose-sensitive mice [2]. In addition, fructose metabolism may play an important role in cancer and other proliferative diseases, providing signaling cues that sustain the proliferation of cancer cells. Many cancer cells overexpress KHK. Moreover, the genetic disorder (essential fructosuria) caused by loss-of-function mutations in KHK is clinically asymptomatic and harmless, which further supports the view that inhibiting KHK in cancer patients may be well tolerated [3]. Therefore, KHK has emerged as a potential target for treating metabolic diseases and cancer. Inhibitors targeting KHK are currently under development and have shown the potential to improve metabolic syndrome and inhibit tumor progression.
The B6-hKHK mice are a humanized model constructed through gene editing technology, in which the sequence of the mouse Khk gene is replaced in situ with the corresponding sequence of the human KHK gene. Homozygous B6-hKHK mice are viable and fertile. This model can be used for the study of the pathological mechanisms and treatment methods of metabolic diseases such as metabolic dysfunction-associated steatotic liver disease (MASLD), insulin resistance, and obesity, as well as cancer. It can also be applied to the screening, research and development, and safety evaluation of KHK-targeted drugs.
The KHK gene encodes ketohexokinase, an enzyme mainly expressed in the liver, kidneys, and small intestine, and plays a crucial role in fructose metabolism. KHK catalyzes the phosphorylation of fructose into fructose-1-phosphate, which is the first step in the fructose metabolic pathway, enabling its conversion into intermediate products that can enter the glycolytic or gluconeogenic pathways. This gene generates two isoforms (KHK-A and KHK-C). Among them, KHK-C has higher catalytic activity and is mainly expressed in the liver, while KHK-A is widely distributed in various tissues, but its function is not fully understood. The expression and activity of KHK are closely related to fructose intake. Excessive fructose intake will lead to the upregulation of KHK activity, which triggers metabolic disorders, such as metabolic dysfunction-associated steatotic liver disease (MASLD), insulin resistance, and obesity [1]. The excessive activation of KHK-C is closely associated with fructose-induced metabolic dysfunction, and blocking KHK-C can significantly ameliorate metabolic abnormalities in fructose-sensitive mice [2]. In addition, fructose metabolism may play an important role in cancer and other proliferative diseases, providing signaling cues that sustain the proliferation of cancer cells. Many cancer cells overexpress KHK. Moreover, the genetic disorder (essential fructosuria) caused by loss-of-function mutations in KHK is clinically asymptomatic and harmless, which further supports the view that inhibiting KHK in cancer patients may be well tolerated [3]. Therefore, KHK has emerged as a potential target for treating metabolic diseases and cancer. Inhibitors targeting KHK are currently under development and have shown the potential to improve metabolic syndrome and inhibit tumor progression.
The B6-hKHK mice are a humanized model constructed through gene editing technology, in which the sequence of the mouse Khk gene is replaced in situ with the corresponding sequence of the human KHK gene. Homozygous B6-hKHK mice are viable and fertile. This model can be used for the study of the pathological mechanisms and treatment methods of metabolic diseases such as metabolic dysfunction-associated steatotic liver disease (MASLD), insulin resistance, and obesity, as well as cancer. It can also be applied to the screening, research and development, and safety evaluation of KHK-targeted drugs.
B6-hXDH
製品ID :
C001586
系統:
C57BL/6NCya
状況:
説明:
Hyperuricemia is a metabolic disorder characterized by abnormally elevated levels of uric acid (UA) in the blood. Uric acid, the end product of purine metabolism, may crystallize as urate in joints, leading to gouty arthritis or form stones in the kidneys when its concentration is excessively high. The clinical manifestations of gout include hyperuricemia, recurrent acute gouty arthritis, deposition of tophi, chronic tophaceous arthritis, and joint deformities. It commonly affects the kidneys, causing chronic interstitial nephritis and uric acid nephrolithiasis [1-3]. By 2020, the global prevalence of hyperuricemia and gout surpassed 1.1 billion cases. In China, the number of patients is projected to reach 200 million for hyperuricemia and 43.25 million for gout by 2024 [2-3]. With the increasing disease burden, the demand for pharmacological interventions for hyperuricemia and gout continues to grow.
Hyperuricemia is closely related to uric acid levels in the body, and current therapeutic agents mainly target the reduction of uric acid synthesis or the promotion of uric acid excretion to manage the condition. Xanthine oxidoreductase (XOR) plays a critical role in purine metabolism by catalyzing the oxidation of hypoxanthine to xanthine and subsequently to uric acid. It is thus a key regulatory point in uric acid synthesis and an important target for hyperuricemia treatment [4-5]. XOR exists in two forms: the reduced xanthine dehydrogenase (XDH) and the oxidized xanthine oxidase (XO). XDH, in its reduced state, catalyzes the conversion of hypoxanthine to xanthine and uric acid, generating reduced nicotinamide adenine dinucleotide (NADH). In contrast, XO, in its oxidized state, converts xanthine to uric acid and hydrogen peroxide. The inhibition of XO by xanthine oxidase inhibitors (XOIs) to reduce uric acid production is a widely adopted therapeutic strategy for hyperuricemia and gout [6]. However, safety concerns remain with existing XOIs, highlighting the urgent need for novel therapeutics with improved safety profiles. Small interfering RNA (siRNA) represents a promising research focus in this area.
This strain is a humanized mouse model of the Xdh gene, generated by replacing the mouse Xdh gene with the complete human XDH gene sequence, including its untranslated regions (UTRs), exons, and introns. The B6-hXDH mice express the human XDH gene and xanthine oxidase protein in a pattern similar to the endogenous Xdh gene in mice, making their genetic, protein expression, and biochemical features highly comparable to humans. This strain serves as an ideal preclinical platform for studying the pathological mechanisms of hyperuricemia and gout and for developing novel xanthine oxidase inhibitors and nucleic acid therapies.
Hyperuricemia is a metabolic disorder characterized by abnormally elevated levels of uric acid (UA) in the blood. Uric acid, the end product of purine metabolism, may crystallize as urate in joints, leading to gouty arthritis or form stones in the kidneys when its concentration is excessively high. The clinical manifestations of gout include hyperuricemia, recurrent acute gouty arthritis, deposition of tophi, chronic tophaceous arthritis, and joint deformities. It commonly affects the kidneys, causing chronic interstitial nephritis and uric acid nephrolithiasis [1-3]. By 2020, the global prevalence of hyperuricemia and gout surpassed 1.1 billion cases. In China, the number of patients is projected to reach 200 million for hyperuricemia and 43.25 million for gout by 2024 [2-3]. With the increasing disease burden, the demand for pharmacological interventions for hyperuricemia and gout continues to grow.
Hyperuricemia is closely related to uric acid levels in the body, and current therapeutic agents mainly target the reduction of uric acid synthesis or the promotion of uric acid excretion to manage the condition. Xanthine oxidoreductase (XOR) plays a critical role in purine metabolism by catalyzing the oxidation of hypoxanthine to xanthine and subsequently to uric acid. It is thus a key regulatory point in uric acid synthesis and an important target for hyperuricemia treatment [4-5]. XOR exists in two forms: the reduced xanthine dehydrogenase (XDH) and the oxidized xanthine oxidase (XO). XDH, in its reduced state, catalyzes the conversion of hypoxanthine to xanthine and uric acid, generating reduced nicotinamide adenine dinucleotide (NADH). In contrast, XO, in its oxidized state, converts xanthine to uric acid and hydrogen peroxide. The inhibition of XO by xanthine oxidase inhibitors (XOIs) to reduce uric acid production is a widely adopted therapeutic strategy for hyperuricemia and gout [6]. However, safety concerns remain with existing XOIs, highlighting the urgent need for novel therapeutics with improved safety profiles. Small interfering RNA (siRNA) represents a promising research focus in this area.
This strain is a humanized mouse model of the Xdh gene, generated by replacing the mouse Xdh gene with the complete human XDH gene sequence, including its untranslated regions (UTRs), exons, and introns. The B6-hXDH mice express the human XDH gene and xanthine oxidase protein in a pattern similar to the endogenous Xdh gene in mice, making their genetic, protein expression, and biochemical features highly comparable to humans. This strain serves as an ideal preclinical platform for studying the pathological mechanisms of hyperuricemia and gout and for developing novel xanthine oxidase inhibitors and nucleic acid therapies.
B6-htau/hGLP-1R
製品ID :
I001221
系統:
C57BL/6Cya
状況:
説明:
The tau protein, a microtubule-associated protein encoded by MAPT is primarily localized to neuronal axons and plays a critical role in microtubule stability and assembly. By binding to microtubules, tau protein helps to maintain neuronal cell shape. Mutations in MAPT can promote tau aggregation, leading to pathological tau protein accumulation and death of glutamatergic cortical neurons [1]. Additionally, certain MAPT mutations can affect pre-mRNA exon splicing, altering the ratio of 3R to 4R tau protein isoforms and increasing the relative production of 4R-tau protein, which is more prone to fibril formation [2].
The GLP-1 receptor (GLP-1R) gene encodes a protein that serves as the receptor for the glucagon-like peptide 1 (GLP-1) hormone, belonging to the glucagon receptor subfamily within the class B G-protein-coupled receptors (GPCRs). G proteins are a class of intracellular signal transduction proteins typically associated with seven-transmembrane receptors (GPCRs). When a GPCR binds to its ligand, it activates the G protein, causing it to dissociate from the Gβγ subunit and initiate downstream effects through interactions with membrane-bound effector molecules. This signaling process is known as canonical G protein signaling. GLP-1R is a multi-transmembrane protein characterized by a typical seven-transmembrane core domain and a relatively large extracellular domain, which can stimulate glucose-induced insulin secretion [3]. GLP-1R is a cell surface receptor protein widely expressed in tissues such as the brain, small intestine, heart, and lungs. It internalizes in response to GLP-1 and GLP-1 analogs and plays a crucial role in the insulin secretion signaling cascade. Additionally, data from animal models indicate its neuroprotective effects [4-5]. Polymorphisms of this gene are closely associated with diabetes. The GLP1R protein is an important drug target for treating type 2 diabetes and stroke. Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are a new class of antidiabetic drugs in recent years. They activate GLP1R to enhance insulin secretion, suppress glucagon secretion, delay gastric emptying, and reduce food intake through central appetite suppression, lowering blood glucose and weight loss [6].
The B6-htau/hGLP-1R mouse is obtained by mating B6-htau mice (Catalog No.: C001410) with B6-hGLP-1R mice (Catalog No.: C001421). This model can be used for research on neurodegenerative diseases such as frontotemporal dementia (FTD) and Alzheimer's disease (AD), as well as metabolic diseases such as obesity and type 2 diabetes. It is also useful for developing GLP-1 receptor agonist (GLP-1RA) drugs or for the preclinical evaluation of the potential therapeutic effects of GLP-1RA drugs in tauopathy-related diseases like Alzheimer's disease (AD).
The tau protein, a microtubule-associated protein encoded by MAPT is primarily localized to neuronal axons and plays a critical role in microtubule stability and assembly. By binding to microtubules, tau protein helps to maintain neuronal cell shape. Mutations in MAPT can promote tau aggregation, leading to pathological tau protein accumulation and death of glutamatergic cortical neurons [1]. Additionally, certain MAPT mutations can affect pre-mRNA exon splicing, altering the ratio of 3R to 4R tau protein isoforms and increasing the relative production of 4R-tau protein, which is more prone to fibril formation [2].
The GLP-1 receptor (GLP-1R) gene encodes a protein that serves as the receptor for the glucagon-like peptide 1 (GLP-1) hormone, belonging to the glucagon receptor subfamily within the class B G-protein-coupled receptors (GPCRs). G proteins are a class of intracellular signal transduction proteins typically associated with seven-transmembrane receptors (GPCRs). When a GPCR binds to its ligand, it activates the G protein, causing it to dissociate from the Gβγ subunit and initiate downstream effects through interactions with membrane-bound effector molecules. This signaling process is known as canonical G protein signaling. GLP-1R is a multi-transmembrane protein characterized by a typical seven-transmembrane core domain and a relatively large extracellular domain, which can stimulate glucose-induced insulin secretion [3]. GLP-1R is a cell surface receptor protein widely expressed in tissues such as the brain, small intestine, heart, and lungs. It internalizes in response to GLP-1 and GLP-1 analogs and plays a crucial role in the insulin secretion signaling cascade. Additionally, data from animal models indicate its neuroprotective effects [4-5]. Polymorphisms of this gene are closely associated with diabetes. The GLP1R protein is an important drug target for treating type 2 diabetes and stroke. Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are a new class of antidiabetic drugs in recent years. They activate GLP1R to enhance insulin secretion, suppress glucagon secretion, delay gastric emptying, and reduce food intake through central appetite suppression, lowering blood glucose and weight loss [6].
The B6-htau/hGLP-1R mouse is obtained by mating B6-htau mice (Catalog No.: C001410) with B6-hGLP-1R mice (Catalog No.: C001421). This model can be used for research on neurodegenerative diseases such as frontotemporal dementia (FTD) and Alzheimer's disease (AD), as well as metabolic diseases such as obesity and type 2 diabetes. It is also useful for developing GLP-1 receptor agonist (GLP-1RA) drugs or for the preclinical evaluation of the potential therapeutic effects of GLP-1RA drugs in tauopathy-related diseases like Alzheimer's disease (AD).
B6-hPCSK9/TG-hAPOC3
製品ID :
C001744
系統:
C57BL/6NCya
状況:
説明:
Proprotein convertase subtilisin/kexin 9 (PCSK9) is a serine protease primarily produced in the liver but expressed in other tissues, including the intestine, heart, and neurons. The N-terminal domain of the PCSK9 protein is responsible for protein localization and stability, while the C-terminal domain is responsible for protein enzymatic activity [1]. The Low-density lipoprotein receptor (LDLR) is a receptor that is responsible for clearing low-density lipoprotein cholesterol (LDL-C) from the blood. PCSK9 cleaves the intracellular domain of LDLR on the cell surface, causing it to detach from the cell membrane and be transported to the lysosome for degradation, promoting LDLR degradation, and increasing plasma LDL-C. Overexpression or gain-of-function mutations of the PCSK9 gene can lead to LDL-C accumulation by reducing LDLR levels. This can cause hypercholesterolemia, which increases the risk of cardiovascular diseases, such as atherosclerosis and coronary heart disease, and neurodegenerative diseases, such as Alzheimer's disease [2]. PCSK9 has become an important target for the development of lipid-lowering drugs. Several PCSK9-targeted antibodies or small nucleic acid drugs have been approved for marketing worldwide, including evolocumab from Amgen, alirocumab from Sanofi and Regeneron, and inclisiran from Novartis. These drugs primarily work by inhibiting PCSK9 activity or preventing PCSK9 protein from binding to LDLR, lowering LDL-C levels in the blood to treat hypercholesterolemia [3-4]. In addition, PCSK9 can promote tumor growth and development by regulating cell proliferation, migration, and invasion. It can also regulate the expression of inflammatory factors that contribute to inflammation. Therefore, targeting the expression of PCSK9 has been investigated in tumor immunotherapy and autoimmune disease therapy [5-6].
Apolipoprotein C-III (ApoC-III), encoded by the APOC3 gene, is a 79-amino acid glycoprotein primarily synthesized in the liver, with minor production in the intestine. ApoC-III is a key component of triglyceride-rich lipoproteins (TRLs), including chylomicrons and very low-density lipoprotein (VLDL). Its primary functions include inhibiting lipoprotein lipase (LPL)-mediated hydrolysis of triglycerides within TRLs and modulating hepatic uptake of TRL remnants, thereby elevating plasma triglyceride levels. Consequently, ApoC-III is crucial in regulating plasma triglyceride levels [7-8]. Elevated APOC3 expression leads to increased ApoC-III levels, which is associated with hypertriglyceridemia (a risk factor for cardiovascular disease) and conditions such as familial hypertriglyceridemia, metabolic syndrome, and type 2 diabetes. Therefore, targeting the reduction of APOC3 expression or blocking its protein function offers a therapeutic avenue for hypertriglyceridemia and mitigating cardiovascular disease risk [9].
B6-hPCSK9/TG-hAPOC3 mice are humanized models generated by crossing B6-hPCSK9 mice (Catalog No.: C001617) with TG-hAPOC3 mice (Catalog No.: C001588), enabling systemic expression of human PCSK9 and ApoC-Ⅲ proteins. This model is suitable for developing drugs targeting human APOC3/PCSK9, such as small interfering RNA (siRNA) and antisense oligonucleotides (ASO), for treating hypertriglyceridemia and other metabolic disorders, as well as for research on neurodegenerative diseases, tumorigenesis, and autoimmune diseases.
Proprotein convertase subtilisin/kexin 9 (PCSK9) is a serine protease primarily produced in the liver but expressed in other tissues, including the intestine, heart, and neurons. The N-terminal domain of the PCSK9 protein is responsible for protein localization and stability, while the C-terminal domain is responsible for protein enzymatic activity [1]. The Low-density lipoprotein receptor (LDLR) is a receptor that is responsible for clearing low-density lipoprotein cholesterol (LDL-C) from the blood. PCSK9 cleaves the intracellular domain of LDLR on the cell surface, causing it to detach from the cell membrane and be transported to the lysosome for degradation, promoting LDLR degradation, and increasing plasma LDL-C. Overexpression or gain-of-function mutations of the PCSK9 gene can lead to LDL-C accumulation by reducing LDLR levels. This can cause hypercholesterolemia, which increases the risk of cardiovascular diseases, such as atherosclerosis and coronary heart disease, and neurodegenerative diseases, such as Alzheimer's disease [2]. PCSK9 has become an important target for the development of lipid-lowering drugs. Several PCSK9-targeted antibodies or small nucleic acid drugs have been approved for marketing worldwide, including evolocumab from Amgen, alirocumab from Sanofi and Regeneron, and inclisiran from Novartis. These drugs primarily work by inhibiting PCSK9 activity or preventing PCSK9 protein from binding to LDLR, lowering LDL-C levels in the blood to treat hypercholesterolemia [3-4]. In addition, PCSK9 can promote tumor growth and development by regulating cell proliferation, migration, and invasion. It can also regulate the expression of inflammatory factors that contribute to inflammation. Therefore, targeting the expression of PCSK9 has been investigated in tumor immunotherapy and autoimmune disease therapy [5-6].
Apolipoprotein C-III (ApoC-III), encoded by the APOC3 gene, is a 79-amino acid glycoprotein primarily synthesized in the liver, with minor production in the intestine. ApoC-III is a key component of triglyceride-rich lipoproteins (TRLs), including chylomicrons and very low-density lipoprotein (VLDL). Its primary functions include inhibiting lipoprotein lipase (LPL)-mediated hydrolysis of triglycerides within TRLs and modulating hepatic uptake of TRL remnants, thereby elevating plasma triglyceride levels. Consequently, ApoC-III is crucial in regulating plasma triglyceride levels [7-8]. Elevated APOC3 expression leads to increased ApoC-III levels, which is associated with hypertriglyceridemia (a risk factor for cardiovascular disease) and conditions such as familial hypertriglyceridemia, metabolic syndrome, and type 2 diabetes. Therefore, targeting the reduction of APOC3 expression or blocking its protein function offers a therapeutic avenue for hypertriglyceridemia and mitigating cardiovascular disease risk [9].
B6-hPCSK9/TG-hAPOC3 mice are humanized models generated by crossing B6-hPCSK9 mice (Catalog No.: C001617) with TG-hAPOC3 mice (Catalog No.: C001588), enabling systemic expression of human PCSK9 and ApoC-Ⅲ proteins. This model is suitable for developing drugs targeting human APOC3/PCSK9, such as small interfering RNA (siRNA) and antisense oligonucleotides (ASO), for treating hypertriglyceridemia and other metabolic disorders, as well as for research on neurodegenerative diseases, tumorigenesis, and autoimmune diseases.
B6-hLPA(CKI)/Alb-cre/hPCSK9
製品ID :
I002079
系統:
C57BL/6NCya
状況:
説明:
Lipoprotein A (LPA) is a type of particle similar to low-density lipoprotein (LDL) that is considered one of the risk factors for cardiovascular disease (CVD), such as atherosclerosis, coronary heart disease, stroke, etc [1]. LP(a) is similar in size and lipid content to LDL (low-density lipoprotein) and also contains the lipoprotein ApoB-100. However, unlike LDL, LP(a) additionally contains a variable-length lipoprotein called Apo(a), which covalently binds to ApoB-100 through a single disulfide bond. LP(a) plays an important role in systemic lipid transport, guiding inflammatory cells into blood vessel walls and leading to smooth muscle cell proliferation. Furthermore, it is involved in wound healing and tissue repair, interacting with the components of blood vessel walls and the extracellular matrix [2]. However, LP(a) can also cause arterial narrowing by adhering to the arterial wall, accelerating the formation of blood clots, and thereby triggering a series of pathological changes related to coronary heart disease, cardiovascular disease, atherosclerosis, thrombus formation, and stroke [3].
The plasma concentration of LP(a) is closely related to genetic factors and is primarily regulated by the LPA gene. Therefore, the LPA gene is an important potential target for cardiovascular disease treatment. The LPA gene encodes a serine protease that inhibits the activity of tissue-type plasminogen activator I. Fragments of this protein, generated through protein hydrolysis, can adhere to atherosclerotic lesions in arteries, promoting blood clot formation. The LPA gene is expressed in both humans and non-human primates but is not expressed in mice. Constructing mouse models expressing the human LPA gene is of significant importance for developing lipid-lowering drugs, which can drive the development of novel therapies for cardiovascular diseases. Currently, various novel therapies targeting the transcription rate of the LPA gene are under development, including small interfering RNA (siRNA) and antisense oligonucleotides (ASO) [4].
Proprotein convertase subtilisin/kexin 9 (PCSK9) is a serine protease primarily produced in the liver but expressed in other tissues, including the intestine, heart, and neurons. The N-terminal domain of the PCSK9 protein is responsible for protein localization and stability, while the C-terminal domain is responsible for protein enzymatic activity [5]. The Low-density lipoprotein receptor (LDLR) is a receptor that is responsible for clearing low-density lipoprotein cholesterol (LDL-C) from the blood. PCSK9 cleaves the intracellular domain of LDLR on the cell surface, causing it to detach from the cell membrane and be transported to the lysosome for degradation, promoting LDLR degradation, and increasing plasma LDL-C. Overexpression or gain-of-function mutations of the PCSK9 gene can lead to LDL-C accumulation by reducing LDLR levels. This can cause hypercholesterolemia, which increases the risk of cardiovascular diseases, such as atherosclerosis and coronary heart disease, and neurodegenerative diseases, such as Alzheimer's disease [6]. PCSK9 has emerged as a key target for the development of lipid-lowering drugs. Several PCSK9-targeted antibodies or small nucleic acid drugs have been approved for marketing worldwide, including evolocumab from Amgen, alirocumab from Sanofi and Regeneron, and inclisiran from Novartis. These drugs primarily work by inhibiting PCSK9 activity or preventing PCSK9 protein from binding to LDLR, lowering LDL-C levels in the blood to treat hypercholesterolemia [7-8]. In addition, PCSK9 can promote tumor growth and development by regulating cell proliferation, migration, and invasion. It can also regulate the expression of inflammatory factors that contribute to inflammation. Therefore, targeting the expression of PCSK9 has been investigated in tumor immunotherapy and autoimmune disease therapy [9-10].
The B6-hLPA (CKI)/Alb-cre/hPCSK9 mouse model is generated by crossing B6-hLPA (CKI) mice (Catalog No.: C001521, a mouse strain with conditional expression of the human LPA gene), Alb-Cre mice (liver-specific Cre-expressing mice), and B6-hPCSK9 mice (Catalog No.: C001617). This model harbors two cardiovascular disease risk factors, namely Lp (a) (lipoprotein (a)) and PCSK9, making it suitable for research on hyperlipidemia, stroke, coronary heart disease, and other atherosclerotic cardiovascular diseases (ASCVD).
Lipoprotein A (LPA) is a type of particle similar to low-density lipoprotein (LDL) that is considered one of the risk factors for cardiovascular disease (CVD), such as atherosclerosis, coronary heart disease, stroke, etc [1]. LP(a) is similar in size and lipid content to LDL (low-density lipoprotein) and also contains the lipoprotein ApoB-100. However, unlike LDL, LP(a) additionally contains a variable-length lipoprotein called Apo(a), which covalently binds to ApoB-100 through a single disulfide bond. LP(a) plays an important role in systemic lipid transport, guiding inflammatory cells into blood vessel walls and leading to smooth muscle cell proliferation. Furthermore, it is involved in wound healing and tissue repair, interacting with the components of blood vessel walls and the extracellular matrix [2]. However, LP(a) can also cause arterial narrowing by adhering to the arterial wall, accelerating the formation of blood clots, and thereby triggering a series of pathological changes related to coronary heart disease, cardiovascular disease, atherosclerosis, thrombus formation, and stroke [3].
The plasma concentration of LP(a) is closely related to genetic factors and is primarily regulated by the LPA gene. Therefore, the LPA gene is an important potential target for cardiovascular disease treatment. The LPA gene encodes a serine protease that inhibits the activity of tissue-type plasminogen activator I. Fragments of this protein, generated through protein hydrolysis, can adhere to atherosclerotic lesions in arteries, promoting blood clot formation. The LPA gene is expressed in both humans and non-human primates but is not expressed in mice. Constructing mouse models expressing the human LPA gene is of significant importance for developing lipid-lowering drugs, which can drive the development of novel therapies for cardiovascular diseases. Currently, various novel therapies targeting the transcription rate of the LPA gene are under development, including small interfering RNA (siRNA) and antisense oligonucleotides (ASO) [4].
Proprotein convertase subtilisin/kexin 9 (PCSK9) is a serine protease primarily produced in the liver but expressed in other tissues, including the intestine, heart, and neurons. The N-terminal domain of the PCSK9 protein is responsible for protein localization and stability, while the C-terminal domain is responsible for protein enzymatic activity [5]. The Low-density lipoprotein receptor (LDLR) is a receptor that is responsible for clearing low-density lipoprotein cholesterol (LDL-C) from the blood. PCSK9 cleaves the intracellular domain of LDLR on the cell surface, causing it to detach from the cell membrane and be transported to the lysosome for degradation, promoting LDLR degradation, and increasing plasma LDL-C. Overexpression or gain-of-function mutations of the PCSK9 gene can lead to LDL-C accumulation by reducing LDLR levels. This can cause hypercholesterolemia, which increases the risk of cardiovascular diseases, such as atherosclerosis and coronary heart disease, and neurodegenerative diseases, such as Alzheimer's disease [6]. PCSK9 has emerged as a key target for the development of lipid-lowering drugs. Several PCSK9-targeted antibodies or small nucleic acid drugs have been approved for marketing worldwide, including evolocumab from Amgen, alirocumab from Sanofi and Regeneron, and inclisiran from Novartis. These drugs primarily work by inhibiting PCSK9 activity or preventing PCSK9 protein from binding to LDLR, lowering LDL-C levels in the blood to treat hypercholesterolemia [7-8]. In addition, PCSK9 can promote tumor growth and development by regulating cell proliferation, migration, and invasion. It can also regulate the expression of inflammatory factors that contribute to inflammation. Therefore, targeting the expression of PCSK9 has been investigated in tumor immunotherapy and autoimmune disease therapy [9-10].
The B6-hLPA (CKI)/Alb-cre/hPCSK9 mouse model is generated by crossing B6-hLPA (CKI) mice (Catalog No.: C001521, a mouse strain with conditional expression of the human LPA gene), Alb-Cre mice (liver-specific Cre-expressing mice), and B6-hPCSK9 mice (Catalog No.: C001617). This model harbors two cardiovascular disease risk factors, namely Lp (a) (lipoprotein (a)) and PCSK9, making it suitable for research on hyperlipidemia, stroke, coronary heart disease, and other atherosclerotic cardiovascular diseases (ASCVD).
B6-huKLKB1
製品ID :
C001845
系統:
C57BL/6JCya
状況:
説明:
The KLKB1 gene provides instructions for creating prekallikrein, a protein primarily synthesized in the liver and found circulating in the blood. This protein is activated by Factor XII to form plasma kallikrein, a serine protease [1]. The function of this protein is critical for the intrinsic coagulation pathway (blood clotting) and the kallikrein-kinin system, which regulates blood pressure and inflammation [2]. The interaction of plasma kallikrein with Factor XII triggers a series of reactions that result in the release of bradykinin, a protein that promotes inflammation [3]. Mutations in the KLKB1 gene are associated with inherited conditions, most notably prekallikrein deficiency, which causes a prolonged activated partial thromboplastin time (a measure of blood clotting) but typically doesn't lead to clinical bleeding problems. More recently, mutations in the KLKB1 gene have also been linked to hereditary angioedema (HAE), a disorder characterized by episodes of severe swelling [4].
The B6-huKLKB1 mice are a humanized model constructed through gene editing technology, in which the mouse Klkb1 endogenous domain is replaced with the human KLKB1 domain. The murine signal peptide is kept. This model can be used for the study of the pathological mechanisms and treatment methods of prekallikrein deficiency and hereditary angioedema. It can also be applied to the development of KLKB1-targeted drugs.
The KLKB1 gene provides instructions for creating prekallikrein, a protein primarily synthesized in the liver and found circulating in the blood. This protein is activated by Factor XII to form plasma kallikrein, a serine protease [1]. The function of this protein is critical for the intrinsic coagulation pathway (blood clotting) and the kallikrein-kinin system, which regulates blood pressure and inflammation [2]. The interaction of plasma kallikrein with Factor XII triggers a series of reactions that result in the release of bradykinin, a protein that promotes inflammation [3]. Mutations in the KLKB1 gene are associated with inherited conditions, most notably prekallikrein deficiency, which causes a prolonged activated partial thromboplastin time (a measure of blood clotting) but typically doesn't lead to clinical bleeding problems. More recently, mutations in the KLKB1 gene have also been linked to hereditary angioedema (HAE), a disorder characterized by episodes of severe swelling [4].
The B6-huKLKB1 mice are a humanized model constructed through gene editing technology, in which the mouse Klkb1 endogenous domain is replaced with the human KLKB1 domain. The murine signal peptide is kept. This model can be used for the study of the pathological mechanisms and treatment methods of prekallikrein deficiency and hereditary angioedema. It can also be applied to the development of KLKB1-targeted drugs.
B6-hKLB
製品ID :
C001622
系統:
C57BL/6NCya
状況:
説明:
The KLB gene encodes β-Klotho, a transmembrane protein that functions as an obligate co-receptor for fibroblast growth factor (FGF) receptors, specifically for the endocrine FGF ligands FGF19 and FGF21 [1]. Expressed across metabolic tissues, including adipose, liver, and pancreas, KLB is a critical regulator of FGF19 and FGF21 signaling, impacting glucose homeostasis, energy balance, and bile acid metabolism [1-3]. β-Klotho facilitates FGF19 and FGF21 signaling through direct interaction with FGF receptors [1]. KLB gene expression is observed across various tissues, encompassing metabolic, haematopoietic, foetal, and adult tissues [1]. Perturbations in KLB function and genetic variants have been implicated in a range of disorders, including hypogonadotropic hypogonadism, male infertility, obesity, non-alcoholic fatty liver disease, irritable bowel syndrome, and potentially certain malignancies [1-4]. Thus, KLB emerges as a pivotal gene in FGF signaling, exerting pleiotropic effects on metabolic physiology and disease [1-4].
The B6-hKLB mouse is a humanized model generated using gene editing technology by integrating the Chimeric cDNA and the 3'UTR of the mouse Klb gene into the mouse Klb gene locus. The mouse Klb endogenous extracellular domain was replaced with the human KLB domain, and the murine transmembrane-cytoplasmic region was remained. Homozygous B6-hKLB mice are viable and fertile. This model can be used for research on the pathological mechanisms and treatment methods of metabolic diseases such as obesity, diabetes, metabolic-associated steatohepatitis (MASH), inflammatory diseases, and potentially selected malignancies and the development of KLB-targeted drugs.
The KLB gene encodes β-Klotho, a transmembrane protein that functions as an obligate co-receptor for fibroblast growth factor (FGF) receptors, specifically for the endocrine FGF ligands FGF19 and FGF21 [1]. Expressed across metabolic tissues, including adipose, liver, and pancreas, KLB is a critical regulator of FGF19 and FGF21 signaling, impacting glucose homeostasis, energy balance, and bile acid metabolism [1-3]. β-Klotho facilitates FGF19 and FGF21 signaling through direct interaction with FGF receptors [1]. KLB gene expression is observed across various tissues, encompassing metabolic, haematopoietic, foetal, and adult tissues [1]. Perturbations in KLB function and genetic variants have been implicated in a range of disorders, including hypogonadotropic hypogonadism, male infertility, obesity, non-alcoholic fatty liver disease, irritable bowel syndrome, and potentially certain malignancies [1-4]. Thus, KLB emerges as a pivotal gene in FGF signaling, exerting pleiotropic effects on metabolic physiology and disease [1-4].
The B6-hKLB mouse is a humanized model generated using gene editing technology by integrating the Chimeric cDNA and the 3'UTR of the mouse Klb gene into the mouse Klb gene locus. The mouse Klb endogenous extracellular domain was replaced with the human KLB domain, and the murine transmembrane-cytoplasmic region was remained. Homozygous B6-hKLB mice are viable and fertile. This model can be used for research on the pathological mechanisms and treatment methods of metabolic diseases such as obesity, diabetes, metabolic-associated steatohepatitis (MASH), inflammatory diseases, and potentially selected malignancies and the development of KLB-targeted drugs.
B6-huSLC16A1
製品ID :
C001915
系統:
C57BL/6NCya
状況:
説明:
The SLC16A1 gene encodes the Monocarboxylate Transporter 1 (MCT1) protein, a vital proton-coupled symporter that facilitates the rapid transmembrane movement of metabolic substrates, including lactate, pyruvate, and ketone bodies (acetoacetate and β-hydroxybutyrate). This gene is ubiquitously expressed across nearly all human tissues to maintain energy balance and pH homeostasis, with notably high levels labeled in the heart, oxidative skeletal muscle fibers, erythrocytes (red blood cells), and the brain (specifically in oligodendrocytes and the blood-brain barrier), while being uniquely "disallowed" or suppressed in normal pancreatic beta-cells to prevent inappropriate insulin release [1]. Functionally, MCT1 is central to the "lactate shuttle" mechanism, allowing tissues to coordinate metabolic fuel exchange by facilitating either the influx or efflux of substrates depending on the concentration gradient and proton motive force [2]. Mutations in SLC16A1 are clinically linked to Erythrocyte Lactate Transporter Defect, which causes exercise-induced muscle cramping and fatigue, and Monocarboxylate Transporter 1 Deficiency, a rare disorder characterized by recurrent episodes of severe ketoacidosis and vomiting triggered by fasting or infection [3]. Conversely, gain-of-function mutations in the gene's promoter lead to familial hyperinsulinemia type 7 (HHF7), where exercise triggers excessive insulin secretion, while its widespread overexpression in various cancers (such as melanoma and lung cancer) supports the Warburg effect by managing lactate efflux to prevent intracellular acidification and fueling tumor progression [4].
The B6-huSLC16A1 mouse is a humanized model constructed through gene-editing technology, in which the sequences from the ATG start codon to the TGA stop codon of the endogenous mouse Slc16a1 gene are replaced with the sequences from the ATG start codon to the TGA stop codon of the human SLC16A1 gene. This model can be used for research on diseases such as Erythrocyte Lactate Transporter Defect, Monocarboxylate Transporter 1 Deficiency, familial hyperinsulinemia type 7 (HHF7), and various cancers, as well as for screening, development, and preclinical evaluation of SLC16A1-targeted therapeutics.
The SLC16A1 gene encodes the Monocarboxylate Transporter 1 (MCT1) protein, a vital proton-coupled symporter that facilitates the rapid transmembrane movement of metabolic substrates, including lactate, pyruvate, and ketone bodies (acetoacetate and β-hydroxybutyrate). This gene is ubiquitously expressed across nearly all human tissues to maintain energy balance and pH homeostasis, with notably high levels labeled in the heart, oxidative skeletal muscle fibers, erythrocytes (red blood cells), and the brain (specifically in oligodendrocytes and the blood-brain barrier), while being uniquely "disallowed" or suppressed in normal pancreatic beta-cells to prevent inappropriate insulin release [1]. Functionally, MCT1 is central to the "lactate shuttle" mechanism, allowing tissues to coordinate metabolic fuel exchange by facilitating either the influx or efflux of substrates depending on the concentration gradient and proton motive force [2]. Mutations in SLC16A1 are clinically linked to Erythrocyte Lactate Transporter Defect, which causes exercise-induced muscle cramping and fatigue, and Monocarboxylate Transporter 1 Deficiency, a rare disorder characterized by recurrent episodes of severe ketoacidosis and vomiting triggered by fasting or infection [3]. Conversely, gain-of-function mutations in the gene's promoter lead to familial hyperinsulinemia type 7 (HHF7), where exercise triggers excessive insulin secretion, while its widespread overexpression in various cancers (such as melanoma and lung cancer) supports the Warburg effect by managing lactate efflux to prevent intracellular acidification and fueling tumor progression [4].
The B6-huSLC16A1 mouse is a humanized model constructed through gene-editing technology, in which the sequences from the ATG start codon to the TGA stop codon of the endogenous mouse Slc16a1 gene are replaced with the sequences from the ATG start codon to the TGA stop codon of the human SLC16A1 gene. This model can be used for research on diseases such as Erythrocyte Lactate Transporter Defect, Monocarboxylate Transporter 1 Deficiency, familial hyperinsulinemia type 7 (HHF7), and various cancers, as well as for screening, development, and preclinical evaluation of SLC16A1-targeted therapeutics.
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