{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T02:15:40Z","timestamp":1789438540546,"version":"build-2803163510"},"reference-count":41,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2024,2,25]],"date-time":"2024-02-25T00:00:00Z","timestamp":1708819200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key R&amp;D Program of China","doi-asserted-by":"publisher","award":["2022YFF1100405"],"award-info":[{"award-number":["2022YFF1100405"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Mutations of the FBN1 gene lead to Marfan syndrome (MFS), which is an autosomal dominant connective tissue disorder featured by thoracic aortic aneurysm risk. There is currently no effective treatment for MFS. Here, we studied the role of mitochondrial dysfunction in the phenotypic transformation of human smooth muscle cells (SMCs) and whether a mitochondrial boosting strategy can be a potential treatment. We knocked down FBN1 in SMCs to create an MFS cell model and used rotenone to induce mitochondrial dysfunction. Furthermore, we incubated the shFBN1 SMCs with Coenzyme Q10 (CoQ10) to assess whether restoring mitochondrial function can reverse the phenotypic transformation. The results showed that shFBN1 SMCs had decreased TFAM (mitochondrial transcription factor A), mtDNA levels and mitochondrial mass, lost their contractile capacity and had increased synthetic phenotype markers. Inhibiting the mitochondrial function of SMCs can decrease the expression of contractile markers and increase the expression of synthetic genes. Imposing mitochondrial stress causes a double-hit effect on the TFAM level, oxidative phosphorylation and phenotypic transformation of FBN1-knockdown SMCs while restoring mitochondrial metabolism with CoQ10 can rapidly reverse the synthetic phenotype. Our results suggest that mitochondria function is a potential therapeutic target for the phenotypic transformation of SMCs in MFS.<\/jats:p>","DOI":"10.3390\/ijms25052662","type":"journal-article","created":{"date-parts":[[2024,2,26]],"date-time":"2024-02-26T06:50:23Z","timestamp":1708930223000},"page":"2662","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Ameliorative Effect of Coenzyme Q10 on Phenotypic Transformation in Human Smooth Muscle Cells with FBN1 Knockdown"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3274-3787","authenticated-orcid":false,"given":"Xu","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhengyang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sitong","family":"Wan","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingyi","family":"Qi","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanling","family":"Hao","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0421-0035","authenticated-orcid":false,"given":"Peng","family":"An","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7834-8742","authenticated-orcid":false,"given":"Yongting","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8987-0533","authenticated-orcid":false,"given":"Junjie","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Health, China Agricultural University, Beijing 100193, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,2,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2091","DOI":"10.1161\/CIRCULATIONAHA.120.051171","article-title":"Extracellular tuning of mitochondrial respiration leads to aortic aneurysm","volume":"143","author":"Oller","year":"2021","journal-title":"Circulation"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1038\/352337a0","article-title":"Marfan syndrome caused by a recurrent de novo missense mutation in the fibrillin gene","volume":"352","author":"Dietz","year":"1991","journal-title":"Nature"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"476","DOI":"10.1136\/jmg.2009.072785","article-title":"The revised Ghent nosology for the Marfan syndrome","volume":"47","author":"Loeys","year":"2010","journal-title":"J. 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