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蛋白质生物标志物中的性别差异和脂肪分布的测量
Mariana F Ramirez1, Abigail S Pan1, Juhi K Parekh1
1Cardiovascular Institute and Division of Cardiology, Department of Medicine Beth Israel Deaconess Medical Center Boston MA USA.
Journal of the American Heart Association
|November 11, 2024
概括
性差异影响肥胖和脂肪分布与心血管疾病生物标志物的关系. 这些发现揭示了解释肥胖相关心脏风险性别差异的生物学途径.
科学领域:
- 心血管疾病研究研究
- 肥胖和新陈代谢 肥胖和新陈代谢
- 健康中的性别差异
背景情况:
- 肥胖和脂肪分布模式在两性之间存在差异,可能导致心血管风险差异.
- 了解这些性别差异对于有针对性的心血管疾病预防至关重要.
研究的目的:
- 研究性别如何改变肥胖指标和与心血管疾病相关的蛋白质生物标志物之间的关联.
- 为了确定体质指数 (BMI),腰围,内脏脂肪组织和各种生物标志物之间的性别特异关系.
主要方法:
- 跨截面观察队列研究涉及3143名参与者 (49%为女性).
- 用多变量线性回归模型和多重相互作用术语来评估性别作为效果修饰因素.
- 在考虑性别差异的情况下,分析了肥胖度量 (BMI,腰围,内脏脂肪组织) 和生物标志物之间的关联.
主要成果:
- 性别显著改变了BMI,腰围和内脏脂肪组织与心血管疾病生物标志物的关联.
- 在男性中,较高的BMI与较低的α1-微球蛋白相关,但在女性中不相关;与素的关联在女性中更强.
- 与男性相比,女性的内脏脂肪组织增加与脂肪,炎症和纤维化生物标志物有更明显的关联.
结论:
- 性在改变肥胖,脂肪特征和心血管风险生物标志物之间的关系方面发挥着重要作用.
- 这些特定于性别的关联突出了潜在的生物学机制,这些机制是男性和女性之间与肥胖相关的心血管疾病的观察差异的基础.
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