期刊
BIOMEDICINES
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/biomedicines11041029
关键词
cardiorenal syndrome; immune cell subsets; proinflammatory CD14++CD16+ monocytes; CD4+ T-cells; CD8+ T-cells; T regulatory cells; natural killer cells
This study investigated differences in circulating immune cells between type 2 cardiorenal syndrome (CRS-2) patients and CKD patients without cardiovascular disease (CVD). The results showed that CRS-2 patients had higher levels of proinflammatory cells and T regulatory cells, as well as lower levels of lymphocytes and natural killer cells compared to CKD patients. Decreased lymphocytes, T-lymphocytes, and increased proinflammatory cells were associated with mortality. CD4+ T-lymphocytes independently predicted fatal cardiovascular events in the CRS-2 cohort.
Maladaptive activation of the immune system plays a key role in the pathogenesis of chronic kidney disease (CKD). Our aim was to investigate differences in circulating immune cells between type 2 cardiorenal syndrome (CRS-2) patients and CKD patients without cardiovascular disease (CVD). CRS-2 patients were prospectively followed up, with the primary endpoint being all-cause and cardiovascular mortality. Method: A total of 39 stable males with CRS-2 and 24 male CKD patients matched for eGFR (CKD-EPI) were enrolled. A selected panel of immune cell subsets was measured by flow cytometry. Results: Compared to CKD patients, CRS-2 patients displayed higher levels of proinflammatory CD14++CD16+ monocytes (p = 0.04) and T regulatory cells (Tregs) (p = 0.03), lower lymphocytes (p = 0.04), and lower natural killer cells (p = 0.001). Decreased lymphocytes, T-lymphocytes, CD4+ T-cells, CD8+ T-cells, Tregs, and increased CD14++CD16+ monocytes were associated with mortality at a median follow-up of 30 months (p < 0.05 for all). In a multivariate model including all six immune cell subsets, only CD4+ T-lymphocytes remained independent predictors of mortality (OR 0.66; 95% CI 0.50-0.87; p = 0.004). Conclusion: Patients with CRS-2 exhibit alterations in immune cell profile compared to CKD patients of similar kidney function but without CVD. In the CRS-2 cohort, CD4+ T-lymphocytes independently predicted fatal cardiovascular events.
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