{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T18:50:21Z","timestamp":1790880621190,"version":"4.1.0"},"reference-count":31,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"national natural science foundation of china","doi-asserted-by":"publisher","award":["No. 81772128"],"award-info":[{"award-number":["No. 81772128"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Ther Adv Respir Dis"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec><jats:title>Background:<\/jats:title><jats:p> Mechanical ventilation (MV) often leads to ventilation-induced diaphragm dysfunction (VIDD). Although the development of this disorder had been linked to oxidative stress, mitochondrial energy deficiency, autophagy activation, and apoptosis in the diaphragm, it remains unclear whether the activation of mitophagy can induce VIDD. With our research, our endeavor is to uncover whether PTEN-induced putative kinase 1 (PINK1)\/Parkin-mediated mitophagy affects the MV-caused diaphragmatic dysfunction <\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p> Sprague-Dawley rats were subjected to MV treatment for 6\u2009h (MV-6h), 12\u2009h (MV-12h), or 24\u2009h (MV-24h). Post MV, the diaphragm muscle compound action potential (CMAP) and cross-sectional areas (CSAs) of the diaphragm of these rats were measured. The levels of proteins of interest were examined to assess muscle health, mitochondrial dynamics, and mitophagy in the diaphragm. The co-localization of PINK1 with the mitochondrial protein marker tom20 was examined, as well as transmission electron microscopy analysis to detect changes in diaphragm mitochondrial ultrastructure. <\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p> MV-12h and MV-24h treatments resulted in a decrease in CSA of diaphragm and CMAP amplitude. In addition, the expressions of F-box (MFAbx), muscle-specific ring finger 1 (MURF1), PINK1, and p62 were elevated in rats treated with MV for 12\u2009h and 24\u2009h, while mfn2 expression was reduced. Rats following MV-24h treatment displayed an increase in mitochondrial dynamic protein (Drp1) and Parkin expression and microtubule-associated protein 1 light chain 3\/1 (LC3II\/I) ratio. Moreover, decreased SOD and GSH activity and membrane potential were observed after MV-12h and MV-24h treatment, while H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> activity increased after MV-24h treatment. In addition, a strong co-localization between PINK1 and tom20 was identified. <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion:<\/jats:title><jats:p> These results reveal that MV leads to various changes in mitochondrial dynamics and significantly increases the mitophagy levels, which subsequently cause the variation in diaphragmatic function and muscle atrophy, indicating that mitophagy could be one of the possible mechanisms by which MV induces diaphragmatic dysfunction. The reviews of this paper are available via the supplemental material section. <\/jats:p><\/jats:sec>","DOI":"10.1177\/1753466621998246","type":"journal-article","created":{"date-parts":[[2021,8,24]],"date-time":"2021-08-24T04:51:57Z","timestamp":1629780717000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":9,"title":["PINK1\/Parkin-mediated mitophagy in mechanical ventilation-induced diaphragmatic dysfunction"],"prefix":"10.1177","volume":"15","author":[{"given":"Hui","family":"Yong","sequence":"first","affiliation":[{"name":"Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yun","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wanlin","family":"Ye","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianmei","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, The First Affiliated Hospital of Southwest Medical University, Luzhou, P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gangming","family":"Wu","sequence":"additional","affiliation":[{"name":"The First Affiliated Hospital of Chongqing Medical University, Chongqing, P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingyuan","family":"Chen","sequence":"additional","affiliation":[{"name":"The First Affiliated Hospital of Chongqing Medical University, Chongqing, P. R. 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