Peripheral Blood Lymphocyte Subsets and Clinical Parameters in Patients Undergoing Renal Biopsy.

Authors

Xingyang Zhao, Meng Wang, Sujia Hu, Dan Yang, Yichun Cheng, Shuwang Ge, Gang Xu

Published in

Kidney diseases (Basel, Switzerland). Volume 12. Issue 1. Pages 676-692. Epub Jun 09, 2026.

Abstract

Chronic kidney disease (CKD) is a major global health burden characterized by immune dysregulation. Peripheral blood lymphocyte subsets can reflect immune status across CKD pathologies. We evaluated associations between lymphocyte subsets and clinical parameters in patients undergoing renal biopsy in a contemporary cohort.
We conducted a retrospective cross-sectional study of adults (≥16 years) who underwent native renal biopsy at Tongji Hospital, China, from January 2012 to December 2024. The lymphocyte subsets assessed by flow cytometry included combined T/B/NK cells (TBNK), total T cells (CD3⁺CD19^-), total B cells (CD3^-CD19⁺), helper T cells (CD3⁺CD4⁺), cytotoxic T cells (CD3⁺CD8⁺), and natural killer cells (CD3^-CD16⁺CD56⁺). Clinical data included demographics, comorbidities, medications, and clinical and immunological markers. Multivariable linear regression was employed to investigate the relationships between lymphocyte subsets as continuous variables and clinical parameters, and nested regression using quartile categories to assess dose-response relationships.
In total, 1,033 individuals were enrolled. TBNK levels declined with age (β = -4.33, 95% CI: -7.35 to -1.32) and were lower in females than males (β = -84.26, 95% CI: -157.29 to -11.23). Lymphocyte subset distributions varied by nephritis pathology: ANCA-GN and lupus nephritis showed lower levels than other types, whereas purpura nephritis was relatively higher. TBNK counts correlated positively with estimated glomerular filtration rate (β = 11.48, 95% CI: 6.78 to 16.19), with similar patterns for total B, total T, CD4⁺ T, and CD8+ T cells. Lymphocyte counts were also positively associated with complement 3. Among IgA nephropathy, TBNK levels correlated positively with IgA (β = 0.31, 95% CI: 0.06 to 0.57) and complement 3 (β = 0.10, 95% CI: 0.06 to 0.14).
Lymphocyte and subset counts relate to renal function, immune indices, and pathology. Their measurement may help evaluate disease severity and immune status in nephritis and inform clinical management.

PMID:
42553967
Bibliographic data and abstract were imported from PubMed on 05 Aug 2026.

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