Mir574-KO Mouse

Mir574, a microRNA, is involved in multiple biological processes. MicroRNAs are small non-coding RNAs that regulate gene expression at the post-transcriptional level, influencing various cellular functions such as cell proliferation, apoptosis, and differentiation. Mir574 may participate in pathways related to diseases like cancer, endometriosis, and dengue, highlighting its importance in disease-associated biological processes [1,3,4].

In colorectal cancer, LINC00473 (LNC473) acts as a tumor suppressor by competitively sponging miR574-5p, promoting apoptotic protease-activating factor 1 (APAF1) IRES activity, and accelerating cell apoptosis through the APAF1-CASP9-CASP3 pathway [1]. In severe dengue, miR574-5p shows high diagnostic performance in discriminating between severe and non-severe dengue cases, suggesting its potential as a biomarker [2]. In endometriosis, miR-574 is among the differentially expressed miRNAs, and a four-miRNA panel including it may serve as a prognostic marker [3]. Choline supplementation in pigs upregulates miR-574, which is related to ovarian development [4].

In summary, Mir574 plays diverse roles in biological processes, with implications in diseases such as colorectal cancer, severe dengue, and endometriosis. Its study in these disease contexts through various models helps in understanding disease mechanisms and potentially developing diagnostic and treatment strategies.

References:

1. Wu, Huizhe, Hu, Xiaoyun, Li, Yalun, Zhang, Rui, Wei, Minjie. 2020. LNC473 Regulating APAF1 IRES-Dependent Translation via Competitive Sponging miR574 and miR15b: Implications in Colorectal Cancer. In Molecular therapy. Nucleic acids, 21, 764-779. doi:10.1016/j.omtn.2020.07.009. https://pubmed.ncbi.nlm.nih.gov/32784109/

2. Limothai, Umaporn, Jantarangsi, Nattawat, Suphavejkornkij, Natthasit, Thisyakorn, Usa, Srisawat, Nattachai. 2022. Discovery and validation of circulating miRNAs for the clinical prognosis of severe dengue. In PLoS neglected tropical diseases, 16, e0010836. doi:10.1371/journal.pntd.0010836. https://pubmed.ncbi.nlm.nih.gov/36251659/

3. Zhuo, Zhihong, Wang, Chuhan, Yu, Huimin. 2021. Plasma microRNAs can be a potential diagnostic biomarker for endometriosis. In Ginekologia polska, 93, 450-459. doi:10.5603/GP.a2021.0127. https://pubmed.ncbi.nlm.nih.gov/34155616/

4. Zhan, Xiaoshu, Fletcher, Lauren, Dingle, Serena, Huber, Lee-Anne, Li, Julang. . Choline supplementation influences ovarian follicular development. In Frontiers in bioscience (Landmark edition), 26, 1525-1536. doi:10.52586/5046. https://pubmed.ncbi.nlm.nih.gov/34994167/