{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:16:03Z","timestamp":1787026563323,"version":"build-2736575974"},"reference-count":44,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T00:00:00Z","timestamp":1748390400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Immunol."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Mitophagy is a highly conserved cellular process in eukaryotic cells that selectively clears dysfunctional or damaged mitochondria through autophagy mechanisms to maintain mitochondrial homeostasis. However, the role of mitophagy in the pathogenesis of severe acute pancreatitis (SAP) has not been fully investigated. In this study, we aimed to identify crucial mitophagy-related genes in SAP to provide a theoretical basis for in-depth mechanistic investigations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We downloaded the GSE194331 dataset from the Gene Expression Omnibus (GEO), identified differentially expressed genes (DEGs), and used weighted gene co-expression network analysis (WGCNA) and three machine learning algorithms to identify crucial genes. In addition, single sample gene set enrichment analysis (ssGSEA) was conducted to explore the relationship between crucial genes and immune infiltration. The expression of crucial genes at the single-cell level was analyzed using single-cell RNA sequencing (scRNA seq) data from the GSE279876 dataset. Finally, we established the SAP mouse model and conducted preliminary validation of the mechanism of crucial genes in SAP.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Result<\/jats:title>\n                    <jats:p>We identified MAPK14 as a crucial mitophagy-related gene in SAP by intersecting the results of DEGs, WGCNA, and three machine learning algorithms. In addition, ssGSEA revealed that MAPK14 was strongly associated with immune cell infiltration. The analysis of scRNA-seq data revealed that MAPK14 was highly expressed in pancreatic macrophages, suggesting that macrophage-derived MAPK14 may potentially regulate inflammation in SAP. Finally, we preliminarily validated using the SAP mouse model that inhibiting the protein encoded by MAPK14 increased the expression of mitophagy marker proteins and significantly alleviated SAP inflammation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Inhibition of MAPK14 activation may alleviate SAP by enhancing mitophagy. Our study highlights the potential role of the mitophagy-related gene MAPK14 in SAP pathogenesis, providing important insights for future investigations into mitophagy-mediated immune mechanisms in SAP.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fimmu.2025.1594085","type":"journal-article","created":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T00:10:27Z","timestamp":1748391027000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Identification of mitophagy-related biomarkers in severe acute pancreatitis: integration of WGCNA, machine learning algorithms and scRNA-seq"],"prefix":"10.3389","volume":"16","author":[{"given":"Xiaozhou","family":"Xie","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zheng","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoyu","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiongdi","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fei","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2025,5,28]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1038\/s41575-019-0158-2","article-title":"New insights into acute pancreatitis","volume":"16","author":"Lee","year":"2019","journal-title":"Nat Rev Gastroenterol Hepatol"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2020.20317","article-title":"Acute pancreatitis: A review","volume":"325","author":"Mederos","year":"2021","journal-title":"JAMA"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1136\/gutjnl-2017-314657","article-title":"Impact of characteristics of organ failure and infected necrosis on mortality in necrotising pancreatitis","volume":"68","author":"Schepers","year":"2019","journal-title":"Gut"},{"key":"B4","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2011.06.073","article-title":"A conservative and minimally invasive approach to necrotizing pancreatitis improves outcome","volume":"141","author":"van Santvoort","year":"2011","journal-title":"Gastroenterology"},{"key":"B5","doi-asserted-by":"publisher","DOI":"10.1136\/gut.2004.039883","article-title":"Persistent organ failure during the first week as a marker of fatal outcome in acute pancreatitis","volume":"53","author":"Johnson","year":"2004","journal-title":"Gut"},{"key":"B6","doi-asserted-by":"publisher","DOI":"10.3748\/wjg.v20.i43.16106","article-title":"Surgical management of necrotizing pancreatitis: an overview","volume":"20","author":"Kokosis","year":"2014","journal-title":"World J Gastroenterol"},{"key":"B7","doi-asserted-by":"publisher","DOI":"10.1016\/S1534-5807(04)00099-1","article-title":"Development by self-digestion: molecular mechanisms and biological functions of autophagy","volume":"6","author":"Levine","year":"2004","journal-title":"Dev Cell"},{"key":"B8","doi-asserted-by":"publisher","first-page":"101170","DOI":"10.1016\/j.drup.2024.101170","article-title":"Autophagy in cancer development, immune evasion, and drug resistance","volume":"78","author":"Niu","year":"2024","journal-title":"Drug Resist Updat"},{"key":"B9","doi-asserted-by":"publisher","first-page":"368","DOI":"10.1016\/j.cell.2013.01.004","article-title":"SnapShot: selective autophagy","volume":"152","author":"Jin","year":"2013","journal-title":"Cell"},{"key":"B10","doi-asserted-by":"publisher","first-page":"136","DOI":"10.1186\/s10020-024-00903-x","article-title":"Molecular mechanism and potential role of mitophagy in acute pancreatitis","volume":"30","author":"Zhu","year":"2024","journal-title":"Mol Med"},{"key":"B11","doi-asserted-by":"publisher","DOI":"10.1007\/s10495-024-01977-y","article-title":"Mitophagy in health and disease. 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