{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n GS1‑124K5.4 appears to be a long noncoding RNA that participates in two distinct biomedical contexts. In breast cancer models, evidence from BMP4‐stimulated MDA‑MB‑231 and T‑47D cells indicates that rapid transcriptional responses—including accelerated changes in chromatin accessibility at transcription start sites—are critical to the regulation of cell migration and proliferation (see."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Although GS1‑124K5.4 is not explicitly labeled among the downstream transcriptional mediators identified (such as MBD2, CBFB, and HIF1A), its inclusion among the RNAs responsive to BMP4 suggests that it may contribute to these cell type–specific phenotypic responses by facilitating swift recruitment of transcription factors to already accessible promoters."}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In a separate study investigating dilated cardiomyopathy, integrated transcriptomic analyses have highlighted a subset of long noncoding RNAs as promising diagnostic biomarkers."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": " In this context, GS1‑124K5.4 is proposed to be differentially regulated in disease, suggesting that it may serve as an early molecular indicator to better distinguish affected individuals. Together, these findings imply that GS1‑124K5.4 functions both as a modulator of rapid transcriptional changes in response to BMP4 signaling in breast cancer cells and as a candidate diagnostic marker in dilated cardiomyopathy.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "M Ampuja, T Rantapero, A Rodriguez-Martinez, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Integrated RNA-seq and DNase-seq analyses identify phenotype-specific BMP4 signaling in breast cancer."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "BMC Genomics (2017)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1186/s12864-016-3428-1"}], "href": "https://doi.org/10.1186/s12864-016-3428-1"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "28077088"}], "href": "https://pubmed.ncbi.nlm.nih.gov/28077088"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Hui Zhang, Xiajing Chen, Danfeng Zhang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Identification of a Novel Six-Long Noncoding RNA Signature for Molecular Diagnosis of Dilated Cardiomyopathy."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "DNA Cell Biol (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1089/dna.2020.5670"}], "href": "https://doi.org/10.1089/dna.2020.5670"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "33146560"}], "href": "https://pubmed.ncbi.nlm.nih.gov/33146560"}]}]}]}