{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T16:03:33Z","timestamp":1790265813428,"version":"4.1.0"},"reference-count":88,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2024,7,8]],"date-time":"2024-07-08T00:00:00Z","timestamp":1720396800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Genes"],"abstract":"<jats:p>Aminoacyl-tRNA synthetases are essential enzymes for the accurate translation of genetic information. IARS1 and IARS2 are isoleucyl-tRNA synthetases functioning in the cytoplasm and mitochondria, respectively, with genetic mutations in these enzymes causing diverse clinical phenotypes in specific organs and tissues. Mutations in IARS1 and IARS2 have recently been linked to mitochondrial diseases. This review aims to explore the relationship between IARS1 and IARS2 and these diseases, providing a comprehensive overview of their association with mitochondrial diseases. Mutations in IARS1 cause weak calf syndrome in cattle and mitochondrial diseases in humans, leading to growth retardation and liver dysfunction. Mutations in IARS2 are associated with Leigh syndrome, craniosynostosis and abnormal genitalia syndrome. Future research is expected to involve genetic analysis of a larger number of patients, identifying new mutations in IARS1 and IARS2, and elucidating their impact on mitochondrial function. Additionally, genetically modified mice and the corresponding phenotypic analysis will serve as powerful tools for understanding the functions of these gene products and unraveling disease mechanisms. This will likely promote the development of new therapies and preventive measures.<\/jats:p>","DOI":"10.3390\/genes15070894","type":"journal-article","created":{"date-parts":[[2024,7,8]],"date-time":"2024-07-08T14:40:50Z","timestamp":1720449650000},"page":"894","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Mechanisms and Future Research Perspectives on Mitochondrial Diseases Associated with Isoleucyl-tRNA Synthetase Gene Mutations"],"prefix":"10.3390","volume":"15","author":[{"given":"Masaki","family":"Watanabe","sequence":"first","affiliation":[{"name":"Laboratory of Laboratory Animal Science and Medicine, Kitasato University, 35-1, Higashi-23, Towada 034-8628, Aomori, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7971-3024","authenticated-orcid":false,"given":"Nobuya","family":"Sasaki","sequence":"additional","affiliation":[{"name":"Laboratory of Laboratory Animal Science and Medicine, Kitasato University, 35-1, Higashi-23, Towada 034-8628, Aomori, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"12647","DOI":"10.1038\/s41598-020-69100-0","article-title":"The structural basis of the genetic code: Amino acid recognition by Aminoacyl-tRNA synthetases","volume":"10","author":"Kaiser","year":"2020","journal-title":"Sci. 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