Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling

Intramuscular fat (IMF) content is a critical indicator of meat quality in livestock production and possesses significant medical relevance for human health. Betaine, a naturally occurring alkaloid compound, holds considerable potential as a nutritional approach for regulating intramuscular adipogen...

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Main Authors: Jiaqi Liu, Tongyudan Yang, Yuxi Liu, Youhua Liu, Yidan Zhu, Chaoqun Huang, Xinxia Wang
Format: Article
Language:English
Published: Cambridge University Press 2025-01-01
Series:Animal Nutriomics
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Online Access:https://www.cambridge.org/core/product/identifier/S2977377624000267/type/journal_article
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author Jiaqi Liu
Tongyudan Yang
Yuxi Liu
Youhua Liu
Yidan Zhu
Chaoqun Huang
Xinxia Wang
author_facet Jiaqi Liu
Tongyudan Yang
Yuxi Liu
Youhua Liu
Yidan Zhu
Chaoqun Huang
Xinxia Wang
author_sort Jiaqi Liu
collection DOAJ
description Intramuscular fat (IMF) content is a critical indicator of meat quality in livestock production and possesses significant medical relevance for human health. Betaine, a naturally occurring alkaloid compound, holds considerable potential as a nutritional approach for regulating intramuscular adipogenesis, while its exact efficacy and underlying mechanisms still remain subjects of ongoing debate and investigation. Here, we clarified the enhancing effect of betaine on IMF deposition using porcine, murine, and cellular models. Mechanistically, betaine supplementation leads to a significant increase in nicotinamide adenine dinucleotide phosphate (NADPH) concentration in the liver, serum, and skeletal muscle. Elevated levels of NADPH upregulate the expression of fat mass and obesity-associated (FTO), a well-established N6-methyladenosine (m6A) demethylase, to diminish m6A modification in skeletal muscle and IMF deposition. This process effectively promotes the mitotic clonal expansion and subsequently intramuscular adipogenesis. In summary, our findings expand current understanding of the regulatory role of betaine in IMF deposition and sheds light on the molecular mechanisms underlying its modulation, which is conducive to producing high-quality and healthful pork.
format Article
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institution Kabale University
issn 2977-3776
2977-3784
language English
publishDate 2025-01-01
publisher Cambridge University Press
record_format Article
series Animal Nutriomics
spelling doaj-art-7bd72248157f4da7bc79011bc6c506082025-08-20T03:41:15ZengCambridge University PressAnimal Nutriomics2977-37762977-37842025-01-01210.1017/anr.2024.26Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signalingJiaqi Liu0https://orcid.org/0009-0003-8546-7100Tongyudan Yang1Yuxi Liu2Youhua Liu3Yidan Zhu4Chaoqun Huang5Xinxia Wang6College of Animal Sciences, Zhejiang University, Hangzhou, China Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, China Zhejiang Key Laboratory of nutrition and breeding for high-quality animal products, Hangzhou, ChinaCollege of Animal Sciences, Zhejiang University, Hangzhou, China Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, China Zhejiang Key Laboratory of nutrition and breeding for high-quality animal products, Hangzhou, ChinaCollege of Animal Sciences, Zhejiang University, Hangzhou, China Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, China Zhejiang Key Laboratory of nutrition and breeding for high-quality animal products, Hangzhou, ChinaCollege of Animal Sciences, Zhejiang University, Hangzhou, China Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, China Zhejiang Key Laboratory of nutrition and breeding for high-quality animal products, Hangzhou, ChinaJinhua Academy of Agricultural Sciences, Jinhua, ChinaCollege of Animal Sciences, Zhejiang University, Hangzhou, China Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, China Zhejiang Key Laboratory of nutrition and breeding for high-quality animal products, Hangzhou, ChinaCollege of Animal Sciences, Zhejiang University, Hangzhou, China Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, China Zhejiang Key Laboratory of nutrition and breeding for high-quality animal products, Hangzhou, ChinaIntramuscular fat (IMF) content is a critical indicator of meat quality in livestock production and possesses significant medical relevance for human health. Betaine, a naturally occurring alkaloid compound, holds considerable potential as a nutritional approach for regulating intramuscular adipogenesis, while its exact efficacy and underlying mechanisms still remain subjects of ongoing debate and investigation. Here, we clarified the enhancing effect of betaine on IMF deposition using porcine, murine, and cellular models. Mechanistically, betaine supplementation leads to a significant increase in nicotinamide adenine dinucleotide phosphate (NADPH) concentration in the liver, serum, and skeletal muscle. Elevated levels of NADPH upregulate the expression of fat mass and obesity-associated (FTO), a well-established N6-methyladenosine (m6A) demethylase, to diminish m6A modification in skeletal muscle and IMF deposition. This process effectively promotes the mitotic clonal expansion and subsequently intramuscular adipogenesis. In summary, our findings expand current understanding of the regulatory role of betaine in IMF deposition and sheds light on the molecular mechanisms underlying its modulation, which is conducive to producing high-quality and healthful pork.https://www.cambridge.org/core/product/identifier/S2977377624000267/type/journal_articlebetaineIMFmeat qualityNADPHm6A modificationMCE
spellingShingle Jiaqi Liu
Tongyudan Yang
Yuxi Liu
Youhua Liu
Yidan Zhu
Chaoqun Huang
Xinxia Wang
Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling
Animal Nutriomics
betaine
IMF
meat quality
NADPH
m6A modification
MCE
title Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling
title_full Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling
title_fullStr Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling
title_full_unstemmed Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling
title_short Betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving NADPH/FTO/m6A signaling
title_sort betaine increases intramuscular fat deposition by promoting the cell cycle via a manner involving nadph fto m6a signaling
topic betaine
IMF
meat quality
NADPH
m6A modification
MCE
url https://www.cambridge.org/core/product/identifier/S2977377624000267/type/journal_article
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AT yuxiliu betaineincreasesintramuscularfatdepositionbypromotingthecellcycleviaamannerinvolvingnadphftom6asignaling
AT youhualiu betaineincreasesintramuscularfatdepositionbypromotingthecellcycleviaamannerinvolvingnadphftom6asignaling
AT yidanzhu betaineincreasesintramuscularfatdepositionbypromotingthecellcycleviaamannerinvolvingnadphftom6asignaling
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