Why weight loss is only half the battle: The epigenetic memory of adipose tissue

IF 33 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Journal of Hepatology Pub Date : 2025-01-06 DOI:10.1016/j.jhep.2024.12.011
Valerie Chew
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为什么减肥只是成功的一半:脂肪组织的表观遗传记忆
肥胖是慢性疾病的主要驱动因素,包括2型糖尿病、心血管疾病和代谢功能障碍相关的脂肪变性肝病(MASLD),构成了重大的公共卫生挑战1。虽然通过饮食、药物或手术干预减肥可以改善代谢,但由于“溜溜球”现象或体重振荡反弹效应,维持这些益处是出了名的困难。早期研究将这一现象归因于目标、方法和发现该研究分析了来自三个独立研究的18名瘦人(从未肥胖)和20名肥胖(无糖尿病)患者的皮下AT (scAT)和网膜AT (omAT)活检9。只有那些在本科毕业后体重指数至少降低了25%的人(WL队列)被纳入研究。尽管T0和T1之间的snRNA-seq细胞组成没有重大差异,但这些研究结果表明,先前的营养状态会在脂肪细胞上留下持久的表观遗传印记,影响它们未来对摄食的反应,并导致肥胖反弹。表观遗传变化,包括组蛋白修饰和染色质可及性,是这些差异的关键驱动因素,强调了先前的代谢状态如何影响脂肪细胞功能并促进长期肥胖结局。值得注意的是,虽然这些致胖印记在AT中表现稳定,但类似的竞争利益声明(declaration of Competing interest)。致谢:这项工作得到了新加坡国家医学研究委员会(NMRC)(参考编号:cirg227 -0025, NMRC/OFLCG/003/2018)和新加坡国家研究基金会(参考编号:NRF-CRP26-2021-0005)的支持。
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来源期刊
Journal of Hepatology
Journal of Hepatology 医学-胃肠肝病学
CiteScore
46.10
自引率
4.30%
发文量
2325
审稿时长
30 days
期刊介绍: The Journal of Hepatology is the official publication of the European Association for the Study of the Liver (EASL). It is dedicated to presenting clinical and basic research in the field of hepatology through original papers, reviews, case reports, and letters to the Editor. The Journal is published in English and may consider supplements that pass an editorial review.
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