{"title":"分支代谢途径产生血红素和热量。","authors":"Takeshi Yoneshiro,Makoto Arai,Juro Sakai","doi":"10.1016/j.tem.2025.06.005","DOIUrl":null,"url":null,"abstract":"Heme has remarkable functions in mitochondrial energetics. Recently, Duerre et al. found that branched-chain amino acids (BCAA) are preferentially utilized for heme biosynthesis to facilitate mitochondrial thermogenesis in brown fat. Disrupting heme biosynthesis shifts the metabolic fate of BCAAs toward histone propionylation, inhibiting the transcription of thermogenic genes.","PeriodicalId":23301,"journal":{"name":"Trends in Endocrinology & Metabolism","volume":"21 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Branched metabolic pathways to generate heme and heat.\",\"authors\":\"Takeshi Yoneshiro,Makoto Arai,Juro Sakai\",\"doi\":\"10.1016/j.tem.2025.06.005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Heme has remarkable functions in mitochondrial energetics. Recently, Duerre et al. found that branched-chain amino acids (BCAA) are preferentially utilized for heme biosynthesis to facilitate mitochondrial thermogenesis in brown fat. Disrupting heme biosynthesis shifts the metabolic fate of BCAAs toward histone propionylation, inhibiting the transcription of thermogenic genes.\",\"PeriodicalId\":23301,\"journal\":{\"name\":\"Trends in Endocrinology & Metabolism\",\"volume\":\"21 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-06-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Trends in Endocrinology & Metabolism\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1016/j.tem.2025.06.005\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Trends in Endocrinology & Metabolism","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1016/j.tem.2025.06.005","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Branched metabolic pathways to generate heme and heat.
Heme has remarkable functions in mitochondrial energetics. Recently, Duerre et al. found that branched-chain amino acids (BCAA) are preferentially utilized for heme biosynthesis to facilitate mitochondrial thermogenesis in brown fat. Disrupting heme biosynthesis shifts the metabolic fate of BCAAs toward histone propionylation, inhibiting the transcription of thermogenic genes.
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