{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n BRAF‐activated non‑coding RNA (BANCR) is a long non‑coding RNA whose expression and function appear to be highly context‐dependent. In melanoma, BANCR is overexpressed and has been shown to enhance tumor cell migration and proliferation by modulating microRNA networks (for example, the miR‑204/Notch2 axis) and downstream targets, suggesting an oncogenic role."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Similarly, studies in hepatocellular carcinoma and gastric cancer have demonstrated that elevated BANCR levels correlate with aggressive disease features and poor clinical outcome, with mechanistic investigations implicating activation of signaling pathways such as NF‑κB1 as well as interactions with microRNAs like miR‑9."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": " In type 1 endometrial cancer, BANCR upregulation has been associated with increased proliferation, migration, and invasion through the ERK/MAPK cascade and subsequent induction of matrix metalloproteinases."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " Conversely, in certain tumor types such as colorectal cancer and clear cell renal cell carcinoma, reduced BANCR expression has been observed; in these settings, restoration of BANCR expression suppresses cell growth via p21‐mediated G0/G1 cell cycle arrest and enhancement of apoptosis, suggesting a tumor‐suppressive function."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": " In papillary thyroid carcinoma, BANCR expression is influenced by the presence of the BRAFV600E mutation, with its differential regulation predicting distinct patterns of lymphatic spread and capsule invasion."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "8"}]}, {"type": "t", "text": " Moreover, in retinoblastoma, BANCR has been found to promote tumorigenesis by directly targeting miR‑204‑3p and modulating the Wnt/β‑catenin signaling pathway."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "9"}]}, {"type": "t", "text": " Finally, genetic variants in the BANCR gene have also been implicated in non‑neoplastic conditions such as coronary artery disease, underscoring its broader impact on cellular physiology and disease susceptibility."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "10"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Collectively, these studies suggest that BANCR may play dual roles in tumor biology—acting as an oncogene in some cancers while functioning as a tumor suppressor in others—through its ability to regulate key signaling pathways, affect cell cycle progression, and mediate interactions with multiple microRNAs. This context‑dependent functionality highlights the potential of BANCR as both a prognostic biomarker and a therapeutic target in diverse clinical settings.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Ross J Flockhart, Dan E Webster, Kun Qu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "BRAFV600E remodels the melanocyte transcriptome and induces BANCR to regulate melanoma cell migration."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Genome Res (2012)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1101/gr.140061.112"}], "href": "https://doi.org/10.1101/gr.140061.112"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "22581800"}], "href": "https://pubmed.ncbi.nlm.nih.gov/22581800"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Bingjie Cai, Yunpeng Zheng, Shanshan Ma, et al. 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