{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nRecent studies have illuminated key pathways safeguarding genome stability, although neither study directly investigates TMEM210. In mouse embryonic stem cells, withdrawal of leukemia inhibitory factor (LIF) results in reduced proliferation and DNA damage accompanied by an upregulation of miR-590. This microRNA enhances both single- and double-strand break repair without compromising stemness, in part by targeting Activin receptor type 2a (Acvr2a). Importantly, the miR-590/Acvr2a axis controls the expression of Rad51b—a central homologous recombination repair (HRR) gene that ensures proper cell cycle progression and genomic maintenance in rapidly proliferating cells"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n<br><br>\nIn a complementary study focused on primary ovarian insufficiency (POI), a homozygous variant in RAD51B (c.92delT) was identified in affected individuals. This mutation compromises RAD51B’s interactions with critical repair factors such as RAD51, RAD51C, and HELQ, leading to defects in meiotic DNA repair, a reduction in crossover numbers, impaired mitomycin-C–induced chromosomal aberration repair, and slowed replication fork progression. The dysfunction in RAD51B-driven repair pathways in both somatic and meiotic cells underscores its vital role in maintaining overall genome integrity"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n<br><br>\nWhile these abstracts do not mention TMEM210 directly, the detailed characterization of DNA damage repair systems—particularly the miR-590/Acvr2a/Rad51b signaling axis in stem cells and the disruption of RAD51B function in POI—provides a framework for understanding the molecular milieu in which TMEM210 might operate. It is plausible that future investigations could reveal that TMEM210 interacts with or modulates components of these DNA repair networks, thereby contributing to genome stabilization under conditions of rapid cell division or stress."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Qidong Liu, Guiying Wang, Yafang Chen, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A miR-590/Acvr2a/Rad51b axis regulates DNA damage repair during mESC proliferation."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Stem Cell Reports (2014)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.stemcr.2014.10.006"}], "href": "https://doi.org/10.1016/j.stemcr.2014.10.006"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "25458897"}], "href": "https://pubmed.ncbi.nlm.nih.gov/25458897"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Monica M Franca, Yazmine B Condezo, Maëva Elzaiat, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A truncating variant of RAD51B associated with primary ovarian insufficiency provides insights into its meiotic and somatic functions."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Cell Death Differ (2022)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/s41418-022-01021-z"}], "href": "https://doi.org/10.1038/s41418-022-01021-z"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "35624308"}], "href": "https://pubmed.ncbi.nlm.nih.gov/35624308"}]}]}]}