{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T21:43:30Z","timestamp":1788903810371,"version":"build-2803163510"},"reference-count":42,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2022,7,8]],"date-time":"2022-07-08T00:00:00Z","timestamp":1657238400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81970516"],"award-info":[{"award-number":["81970516"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["gxbjZD2021048"],"award-info":[{"award-number":["gxbjZD2021048"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Universities in Anhui Province","award":["81970516"],"award-info":[{"award-number":["81970516"]}]},{"name":"Universities in Anhui Province","award":["gxbjZD2021048"],"award-info":[{"award-number":["gxbjZD2021048"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Acetaminophen (APAP) is a widely used antipyretic analgesic which can lead to acute liver failure after overdoses. Chronic alcoholic fatty liver disease (AFLD) appears to enhance the risk and severity of APAP-induced liver injury, and the level of angiotensin II (Ang II) increased sharply at the same time. However, the underlying mechanisms remain unclear. Caveolin-1 (CAV1) has been proven to have a protective effect on AFLD. This study aimed to examine whether CAV1 can protect the APAP-induced hepatotoxicity of AFLD by affecting Ang II or its related targets. In vivo, the AFLD model was established according to the chronic-plus-binge ethanol model. Liver injury and hepatic lipid accumulation level were determined. The levels of Angiotensin converting enzyme 2 (ACE2), Ang II, CAV1, and other relevant proteins were evaluated by western blotting. In vitro, L02 cells were treated with alcohol and oleic acid mixture and APAP. CAV1 and ACE2 expression was downregulated in APAP-treated AFLD mice compared to APAP-treated mice. The overexpression of CAV1 in mice and L02 cells alleviated APAP-induced hepatotoxicity in AFLD and downregulated Ang II, p-EGFR\/EGFR and P-ERK\/ERK expression. Immunofluorescence experiments revealed interactions between CAV1, Ang II, and EGFR. The application of losartan (an Ang II receptor antagonist) and PD98059 (an ERK1\/2 inhibitor) alleviated APAP-induced hepatotoxicity in AFLD. In conclusion, our findings verified that CAV1 alleviates APAP-aggravated hepatotoxicity in AFLD by downregulating the Ang II \/EGFR\/ERK axis, which could be a novel therapeutic target for its prevention or treatment.<\/jats:p>","DOI":"10.3390\/ijms23147587","type":"journal-article","created":{"date-parts":[[2022,7,8]],"date-time":"2022-07-08T11:37:08Z","timestamp":1657280228000},"page":"7587","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Caveolin-1 Alleviates Acetaminophen\u2014Induced Hepatotoxicity in Alcoholic Fatty Liver Disease by Regulating the Ang II\/EGFR\/ERK Axis"],"prefix":"10.3390","volume":"23","author":[{"given":"Jiao","family":"Xin","sequence":"first","affiliation":[{"name":"Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China"},{"name":"Institute for Liver Diseases of Anhui Medical 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaowen","family":"Feng","sequence":"additional","affiliation":[{"name":"Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China"},{"name":"Institute for Liver Diseases of Anhui Medical University, School of Pharmacy, Anhui Medical University, Hefei 230032, China"},{"name":"Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei 230032, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiagen","family":"Wen","sequence":"additional","affiliation":[{"name":"Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China"},{"name":"Institute for Liver Diseases of Anhui Medical University, School of Pharmacy, Anhui Medical University, Hefei 230032, 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