{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nRecent studies have focused on identifying reliable biomarkers and regulatory molecules in diverse pathological conditions. For example, one investigation into acute lung injury (ALI) used a proteomic approach to detect early biomarkers of lung injury, identifying proteins such as cytochrome b5 and cytokeratin 17 in bronchoalveolar lavage fluid following S. aureus enterotoxin A exposure."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Similarly, another study explored the role of cytochrome b5 in androgen biosynthesis in Leydig cells, demonstrating that its absence impairs maximal 17,20-lyase activity and alters steroid hormone synthesis."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n \nIn contrast, investigation in hepatocellular carcinoma (HCC) reveals a distinct regulatory role for miR-891a-5p. In this context, miR-891a-5p modulates the expression of adhesion-regulating molecule 1 (ADRM1) in liver cancer tissues, where its upregulation correlates with increased ADRM1 levels and is associated with enhanced tumor immune responses and immune checkpoint expression. Conversely, downregulation of miR-891a-5p results in reduced ADRM1 expression, suggesting that miR-891a-5p acts as a key oncogenic regulator with potential as a therapeutic target in HCC."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": "\n \nTogether, while studies on lung injury and steroidogenesis underscore the importance of identifying early biomarkers and understanding regulatory proteins in disease, the function of MIR891A in liver cancer specifically highlights its role in promoting tumor progression through modulation of ADRM1. This discovery opens new avenues for the development of anti-HCC therapies targeting the miR-891a-5p/ADRM1 axis.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Antoine Ménoret, Sanjeev Kumar, Anthony T Vella "}, {"type": "b", "children": [{"type": "t", "text": "Cytochrome b5 and cytokeratin 17 are biomarkers in bronchoalveolar fluid signifying onset of acute lung injury."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "PLoS One (2012)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1371/journal.pone.0040184"}], "href": "https://doi.org/10.1371/journal.pone.0040184"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "22792238"}], "href": "https://pubmed.ncbi.nlm.nih.gov/22792238"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Varun Sondhi, Bryn M Owen, Jiayan Liu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Impaired 17,20-Lyase Activity in Male Mice Lacking Cytochrome b5 in Leydig Cells."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Endocrinol (2016)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1210/me.2015-1282"}], "href": "https://doi.org/10.1210/me.2015-1282"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "26974035"}], "href": "https://pubmed.ncbi.nlm.nih.gov/26974035"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Ziqi Shao, Yuan Wang, Yuejun He, et al. "}, {"type": "b", "children": [{"type": "t", "text": "The high expression of ADRM1 in hepatocellular carcinoma is closely related to tumor immune infiltration and is regulated by miR-891a-5p."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Sci Rep (2024)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/s41598-024-64928-2"}], "href": "https://doi.org/10.1038/s41598-024-64928-2"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "38890391"}], "href": "https://pubmed.ncbi.nlm.nih.gov/38890391"}]}]}]}