在PERLA-巴西研究中,在孕前后改变PCSK9血水平
Isabella Macedo Costa1, Thaíse Emilia Moreira da Silva1, Letícia Gonçalves Silva1
1Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil.
患有先兆子 (PE) 病史的女性,尽管LDLc和肥胖水平较高,但血中蛋白转化酶亚素/素9型 (PCSK9) 水平较低. 这些较低的PCSK9水平可能反映了对心血管疾病风险的补偿机制.
科学领域:
- 心血管科学 心血管科学
- 生殖内分泌学 生殖内分泌学
- 代谢性疾病研究研究
背景情况:
- 孕前 (PE) 在女性中显著增加了长期心血管疾病 (CVD) 风险.
- 连接PE历史与未来心血管疾病的机制尚不清楚.
- 蛋白转化酶亚提利辛/凯类型9 (PCSK9) 影响LDL胆固醇,并与动脉样硬化有关.
研究的目的:
- 为了比较血PCSK9水平在女性和没有PE的历史.
- 为了研究PCSK9,LDL胆固醇 (LDLc) 和心血管疾病风险标志物在PE幸存者的关联.
主要方法:
- 研究包括205名妇女 (103名PE病史,102名血压正常病史) 产后6-15年.
- 血PCSK9度使用ELISA量化.
主要成果:
- 患有PE病史的女性显示PCSK9水平明显低于正常血压对照组.
- 尽管PCSK9较低,但PE史组的LDLc,BMI,体脂和腰围都较高.
- 在PE史组中,PCSK9水平与脂肪性标志物有很弱的相关性.
结论:
- 在PE史中较低的PCSK9可能表明对炎症或代谢变化的补偿反应.
- 虽然降低PCSK9对血管系统有潜在的益处,但并没有抵消较高的LDLc或肥胖.
- 需要进一步的研究来澄清PCSK9在PE后心血管疾病发展中的作用.
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