PMID- 36501095 OWN - NLM STAT- MEDLINE DCOM- 20221216 LR - 20221221 IS - 2072-6643 (Electronic) IS - 2072-6643 (Linking) VI - 14 IP - 23 DP - 2022 Nov 28 TI - Oral Administration of Branched-Chain Amino Acids Attenuates Atherosclerosis by Inhibiting the Inflammatory Response and Regulating the Gut Microbiota in ApoE-Deficient Mice. LID - 10.3390/nu14235065 [doi] LID - 5065 AB - Atherosclerosis (AS) is a chronic inflammatory disease that serves as a common pathogenic underpinning for various cardiovascular diseases. Although high circulating branched-chain amino acid (BCAA) levels may represent a risk factor for AS, it is unclear whether dietary BCAA supplementation causes elevated levels of circulating BCAAs and hence influences AS, and the related mechanisms are not well understood. Here, ApoE-deficient mice (ApoE(-/-)) were fed a diet supplemented with or without BCAAs to investigate the effects of BCAAs on AS and determine potential related mechanisms. In this study, compared with the high-fat diet (HFD), high-fat diet supplemented with BCAAs (HFB) reduced the atherosclerotic lesion area and caused a significant decrease in serum cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) levels. BCAA supplementation suppressed the systemic inflammatory response by reducing macrophage infiltration; lowering serum levels of inflammatory factors, including monocyte chemoattractant protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta) and interleukin-6 (IL-6); and suppressing inflammatory related signaling pathways. Furthermore, BCAA supplementation altered the gut bacterial beta diversity and composition, especially reducing harmful bacteria and increasing probiotic bacteria, along with increasing bile acid (BA) excretion. In addition, the levels of total BAs, primary BAs, 12alpha-hydroxylated bile acids (12alpha-OH BAs) and non-12alpha-hydroxylated bile acids (non-12alpha-OH BAs) in cecal and colonic contents were increased in the HFB group of mice compared with the HFD group. Overall, these data indicate that dietary BCAA supplementation can attenuate atherosclerosis induced by HFD in ApoE(-/-) mice through improved dyslipidemia and inflammation, mechanisms involving the intestinal microbiota, and promotion of BA excretion. FAU - Li, Ziyun AU - Li Z AUID- ORCID: 0000-0002-1494-194X AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Zhang, Ranran AU - Zhang R AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Mu, Hongna AU - Mu H AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Zhang, Wenduo AU - Zhang W AD - Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China. FAU - Zeng, Jie AU - Zeng J AD - National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital, National Center of Gerontology, Beijing 100730, China. FAU - Li, Hongxia AU - Li H AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Wang, Siming AU - Wang S AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Zhao, Xianghui AU - Zhao X AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Chen, Wenxiang AU - Chen W AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. AD - National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital, National Center of Gerontology, Beijing 100730, China. FAU - Dong, Jun AU - Dong J AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. FAU - Yang, Ruiyue AU - Yang R AUID- ORCID: 0000-0002-2304-6728 AD - The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing 100730, China. LA - eng GR - 81672075/National Natural Science Foundation of China/ GR - 7222156/Beijing Natural Science Foundation/ GR - 7214250/Beijing Natural Science Foundation/ GR - 2021-I2M-1-050/CAMS Innovation Fund for Medical Sciences/ GR - 2021YFE0114200/National Key R&D Program of China/ PT - Journal Article DEP - 20221128 PL - Switzerland TA - Nutrients JT - Nutrients JID - 101521595 RN - 0 (Amino Acids, Branched-Chain) RN - 0 (Bile Acids and Salts) RN - 97C5T2UQ7J (Cholesterol) SB - IM MH - Mice MH - Animals MH - *Gastrointestinal Microbiome/physiology MH - Amino Acids, Branched-Chain/metabolism MH - *Atherosclerosis/metabolism MH - Diet, High-Fat/adverse effects MH - Bile Acids and Salts MH - Cholesterol MH - Administration, Oral MH - Mice, Inbred C57BL PMC - PMC9739883 OTO - NOTNLM OT - atherosclerosis OT - bile acids OT - branched-chain amino acids OT - gut microbiota OT - inflammation COIS- The authors declare no conflict of interest. EDAT- 2022/12/12 06:00 MHDA- 2022/12/15 06:00 PMCR- 2022/11/28 CRDT- 2022/12/11 01:31 PHST- 2022/11/04 00:00 [received] PHST- 2022/11/25 00:00 [revised] PHST- 2022/11/25 00:00 [accepted] PHST- 2022/12/11 01:31 [entrez] PHST- 2022/12/12 06:00 [pubmed] PHST- 2022/12/15 06:00 [medline] PHST- 2022/11/28 00:00 [pmc-release] AID - nu14235065 [pii] AID - nutrients-14-05065 [pii] AID - 10.3390/nu14235065 [doi] PST - epublish SO - Nutrients. 2022 Nov 28;14(23):5065. doi: 10.3390/nu14235065.