{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nMicroRNA‐510 (miR-510) has emerged as an important post-transcriptional regulator in diverse physiological settings. In the gastrointestinal system, a HTR3E 3′-UTR variant was shown to alter miR-510 binding, leading to deregulated serotonin receptor expression that is significantly associated with female diarrhea-predominant irritable bowel syndrome (IBS-D)."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Similarly, altered miR-510 expression in regulatory T cells has been observed in type 1 diabetes mellitus patients, suggesting that aberrant miR-510 levels may influence immune cell function and contribute to autoimmunity."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn oncogenesis, miR-510 frequently functions as an oncomiR with context-dependent downstream effects. Elevated miR-510 levels have been reported in breast cancer samples, where they potentially promote tumor development"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": ", and in non‐small cell lung cancer (NSCLC) where miR-510 targets key regulators such as SRCIN1, thereby enhancing cellular proliferation and invasiveness."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": " In pancreatic ductal adenocarcinoma, a novel circular RNA (circSLIT2) acts as a sponge for miR-510-5p, influencing the c-Myc/LDHA axis and promoting aerobic glycolysis and tumor growth."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " Likewise, in nasopharyngeal carcinoma, the long non-coding RNA SNHG4 upregulates CENPF expression by sequestering miR-510-5p, thereby accelerating tumor progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": " Furthermore, high miR-510 levels have been implicated in the loss of stromal Caveolin-1—a marker associated with poor outcomes in breast cancer"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": "—and dysregulation via circSIRT1, which modulates SMAD7 expression and affects malignant behavior in NSCLC."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "8"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its roles in cancer and immune regulation, miR-510 also holds promise as a biomarker in cardiovascular disease. Upregulation of miR-510 in the blood of hypertensive patients, corroborated by corresponding methylation analyses, suggests that miR-510 could serve as a novel diagnostic marker and potential therapeutic target in hypertension."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "9"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Johannes Kapeller, Lesley A Houghton, Hubert Mönnikes, et al. 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