{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nLong non‐coding RNA SNHG11 is recurrently dysregulated in a broad spectrum of malignancies, including gastric, colorectal, pancreatic, lung, prostate, and triple‐negative breast cancers, where its upregulation is strongly associated with aggressive tumor behavior and unfavorable patient outcomes. Multiple studies have shown that elevated SNHG11 expression in tumor tissues and even in circulation correlates with increased cell proliferation, migration, invasion, metastasis, and therapy resistance, underscoring its potential as both a diagnostic biomarker and a prognostic indicator."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "12"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nMechanistically, SNHG11 primarily functions as a competing endogenous RNA (ceRNA) that sequesters various microRNAs—thereby modulating the expression of critical oncogenic proteins and signaling pathways. For example, in gastric cancer SNHG11 upregulates CTNNB1 and ATG12 while promoting GSK‑3β ubiquitination to activate the Wnt/β‑catenin pathway; in colorectal cancer, it enhances c‑Myc stability via interaction with IGF2BP1, and under hypoxic conditions, SNHG11 impedes HIF‑1α degradation by blocking pVHL binding. In addition, SNHG11 regulates tumor cell behavior by sponging miRNAs such as miR‑485‑5p, miR‑1207‑5p, and miR‑7‑5p—thereby modulating the expression of factors like BSG, VEGFA, ABCC1, and the SP2/MUC‑1 axis—and it further influences the PI3K/Akt/mTOR signaling cascade. Genomic studies have even linked specific single‐nucleotide variants to altered SNHG11 expression, suggesting a genetic component to its dysregulation."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "13"}, {"type": "fg_f", "ref": "2"}, {"type": "fg_fs", "start_ref": "4", "end_ref": "6"}, {"type": "fg_f", "ref": "8"}, {"type": "fg_f", "ref": "10"}, {"type": "fg_f", "ref": "12"}, {"type": "fg_f", "ref": "14"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its oncogenic roles, emerging evidence implicates SNHG11 in non‐malignant conditions and other pathophysiological processes. Preliminary investigations in glioma are aiming to elucidate its function in brain tumors, while in models of ischemic stroke, SNHG11 mediates neuroprotective effects via a miR‑324‑3p/VEGFA axis. Moreover, in ocular studies, reduced SNHG11 expression in trabecular meshwork cells is linked to altered Wnt/β‑catenin signaling via Rho/ROCK modulation, and downregulation of SNHG11 in the dentate gyrus has been associated with impaired synaptic plasticity and adult neurogenesis in Down syndrome. Collectively, these studies underscore the multifunctional nature of SNHG11 and its promise as both a biomarker and a potential therapeutic target."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "15", "end_ref": "19"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Wei Xu, Gai Zhou, Huizhi Wang, et al. 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