Cytokine · 2025
Peritoneal membrane transport characteristics in patients undergoing peritoneal Dialysis are associated with systemic IL-8 levels.
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Ye Yufei, Huang Weiyan, Zhang Xuelin, Bian Xiaolu, Wang Haiyan, Liang Xinrui, Sun Xiaojuan, Guo Zhiyong, Lai Xueli
Аннотация
BACKGROUND: Several cytokine levels in dialysate, particularly interleukin-6 (IL-6), have been investigated as potential biomarkers for peritoneal solute transport rate (PSTR). However, studies examining the relationship between systemic cytokine levels and PSTR have yielded contradictory results. In this study, we aimed to assess 12 kinds of cytokines in serum and explore their potential relationship with peritoneal transport function.
METHODS: Patients undergoing peritoneal dialysis (PD) from September 2022 to September 2024 were retrospectively analyzed at our PD center. The patients were categorized into fast and non-fast PSTR groups based on the 4-h dialysate creatinine /plasma creatinine ratio (D/P Cr). The systemic levels of 12 cytokines (IL-1β, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12p70, IL-17 A, TNF-α, IFN-α, and IFN-γ) in both groups were measured using flow cytometry and compared. The relationship between serum cytokine levels and baseline peritoneal transport status was analyzed by univariate and multivariate logistic regression analyses.
RESULTS: A total of 284 patients were enrolled in this study. According to the D/P Cr, 171 patients (60.2 %) were classified as non-fast PSTR group, while 113 patients (39.8 %) were classified as fast PSTR group. Among the 12 cytokines analyzed, serum IL-8 exhibited a significant difference between the two groups (P = 0.01). IL-8/IL-10 and IL-12p70/IL-10 ratios were also significantly higher in fast PSTR group. In the subgroup of incident PD patients, multivariate analysis revealed that total cholesterol (OR 0.559, 95 % CI 0.323-0.966, P = 0.037) and serum IL-8 (OR 1.040, 95 % CI 1.006-1.075, P = 0.021) were significantly and independently associated with baseline fast PSTR.
CONCLUSION: The systemic IL-8 level is positively correlated with PSTR in patients undergoing PD, which may serve as an indicator of baseline peritoneal transport function.
METHODS: Patients undergoing peritoneal dialysis (PD) from September 2022 to September 2024 were retrospectively analyzed at our PD center. The patients were categorized into fast and non-fast PSTR groups based on the 4-h dialysate creatinine /plasma creatinine ratio (D/P Cr). The systemic levels of 12 cytokines (IL-1β, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12p70, IL-17 A, TNF-α, IFN-α, and IFN-γ) in both groups were measured using flow cytometry and compared. The relationship between serum cytokine levels and baseline peritoneal transport status was analyzed by univariate and multivariate logistic regression analyses.
RESULTS: A total of 284 patients were enrolled in this study. According to the D/P Cr, 171 patients (60.2 %) were classified as non-fast PSTR group, while 113 patients (39.8 %) were classified as fast PSTR group. Among the 12 cytokines analyzed, serum IL-8 exhibited a significant difference between the two groups (P = 0.01). IL-8/IL-10 and IL-12p70/IL-10 ratios were also significantly higher in fast PSTR group. In the subgroup of incident PD patients, multivariate analysis revealed that total cholesterol (OR 0.559, 95 % CI 0.323-0.966, P = 0.037) and serum IL-8 (OR 1.040, 95 % CI 1.006-1.075, P = 0.021) were significantly and independently associated with baseline fast PSTR.
CONCLUSION: The systemic IL-8 level is positively correlated with PSTR in patients undergoing PD, which may serve as an indicator of baseline peritoneal transport function.