期刊
JOURNAL OF CLINICAL MEDICINE
卷 10, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/jcm10050994
关键词
PCSK9; prediabetes; type 2 diabetes; LDL cholesterol; statin therapy; elderly; cohort study
资金
- Oulu University Hospital Research Fund
The study examined the effects of PCSK9 in patients with alterations of glucose metabolism and statin therapy, showing that in subjects with abnormal glucose metabolism and statin treatment, the significant PCSK9-mediated effects on lipid metabolites are diminished compared to those with normal glucose tolerance (NGT) subjects, although statins can reduce LDL-C and VLDL-C levels.
Proprotein convertase subtilisin/kexin type 9 (PCSK9) degrades low-density lipoprotein cholesterol (LDL-C) receptors, and thus regulates the LDL-C levels in the circulation. Type 2 diabetics often have elevated LDL-C levels. However, the functions of PCSK9 in patients with alterations of glu-cose metabolism and statin therapy are still unclear. Method: we investigated a large cohort of 608 subjects, born in 1945 in Oulu, Finland (Oulu Cohort 1945). We studied the effects of PSCK9 levels with different glucose tolerances (normal glucose tolerance (NGT), prediabetes (PreDM) or type 2 diabetes (T2D)) with and without statin medication, and analyzed clinical data, NMR metabolomics and PCSK9 plasma levels. Results: PCSK9 plasma levels did not significantly differ between the three groups. Statin therapy significantly increased the PCSK9 levels in NGT, PreDM and T2D groups compared with subjects with no statins. In the NGT group, negative associations between PCSK9 and LDL-C, intermediate-density lipoprotein cholesterol (IDL-C), very low-density lipoprotein cholesterol (VLDL-C), total cholesterol and LDL and IDL triglycerides were observed under statin medication. In contrast, in the PreDM and T2D groups, these associa-tions were lost. Conclusions: our data suggest that in subjects with abnormal glucose metabolism and statin therapy, the significant PCSK9-mediated effects on the lipid metabolites are lost com-pared to NGT subjects, but statins reduced the LDL-C and VLDL-C levels.
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