在患有新生代谢综合征的患者中增加脂肪细胞缩
Ishwarlal Jialal1,2, Beverley Adams-Huet3, Sridevi Devaraj4
1Veterans Affairs Medical Center, Mather, CA 95655, USA.
Journal of clinical medicine
|July 14, 2023
概括
代谢综合征 (MetS) 与质脂肪组织中较大的脂肪细胞大小 (FCS) 有关. 这种增加的FCS与炎症,纤维化和血管新生相关,这表明在早期MetS发育中发挥了作用.
科学领域:
- 代谢综合征研究 代谢综合征研究
- 脂肪组织生物学 脂肪组织生物学
- 细胞生理学 细胞生理学
背景情况:
- 代谢综合征 (MetS) 是一个全球性的健康问题,增加了2型糖尿病和心血管疾病的风险.
- 中部肥胖是MetS的已知特征,但对脂肪细胞大小增加 (脂肪细胞缩) 的数据有限.
- 在早期的MetS中研究脂肪细胞大小 (FCS) 对于了解疾病机制至关重要.
研究的目的:
- 调查新生代谢综合征 (MetS) 患者皮下脂肪组织 (AT) 中的脂肪细胞大小 (FCS).
- 检查FCS和心脏代谢风险因素,炎症和早期MetS中的组织重塑之间的关系.
- 为了排除诸如糖尿病,心血管疾病,吸烟或脂质治疗等混因素.
主要方法:
- 从MetS患者 (n=20) 和对照组 (n=19) 收集的禁食血液和皮下质AT活检.
- 评估了心脏代谢特征,自由脂肪酸 (FFA) 水平,高灵敏性C反应蛋白 (hsCRP) 和HOMA-IR.
- 测量腰围 (WC),调整FCS,并将其与各种生物标志物和细胞活动标志物相关联.
主要成果:
- MetS患者显著增加了心脏代谢特征,FFA,hsCRP和HOMA-IR.
- 在MetS患者中,腰围调整后的FCS显著升高,与MetS严重程度相关.
- FCS与葡萄糖,HDL-C,TG:HDL-C比率,FFA,内毒素,单细胞TLR4,NLRP3炎症酶活性,纤维化和血管新生标志物有显著的相关性.
结论:
- 患有新生的MetS的患者在质脂肪组织中表现出腰围调整后的FCS增加.
- 在早期的MetS中,FCS升高与细胞炎症,纤维化和血管生成有关.
- 需要进一步的研究来证实这些发现在其他脂肪库,如内脏脂肪.
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