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Updated: Aug 10, 2026

Isolation of Double Negative αβ T Cells from the Kidney
Published on: May 16, 2014
[Lymphocyte subpopulation, interleukin-2 and high affinity interleukin-2 receptor expression in primary nephrotic
1Department of Nephrology, First Affiliated Hospital, WCUMS, Chengdu 610041, China.
Insights
Cell-mediated immunity (CMI) is reduced in primary nephrotic syndrome (PNS) relapse. While CMI improves in remission, it remains incomplete, potentially leading to recurrent PNS.
Area of Science:
- Immunology
- Nephrology
Context:
- Primary nephrotic syndrome (PNS) is a kidney disorder.
- Cellular immune response plays a role in PNS.
- Understanding immune status during relapse and remission is crucial.
Purpose:
- To investigate the cellular immune response in patients with primary nephrotic syndrome (PNS) during active disease and remission.
- To compare immune parameters between PNS patients and healthy controls.
Summary:
- Radioligand binding assay, IL-2 bioactivity, and T lymphocyte subset analysis were performed on peripheral blood mononuclear cells (PBMCs) from 22 PNS patients in relapse, 17 in remission, and 25 controls.
- Patients in relapse showed significantly lower levels of CD3, CD4, CD8, IL-2, and IL-2R compared to controls.
- Remission patients had higher levels of CD3, CD4, IL-2, and IL-2R than relapse patients, but lower than controls, with CD8 levels not significantly different from controls.
Impact:
- The study suggests a deficiency in cell-mediated immunity (CMI) during the acute phase of PNS.
- CMI improves in remission but does not fully recover, which may contribute to disease recurrence.
- Findings highlight the importance of immune status in managing and predicting PNS relapse.
Objective:
To understand the cellular immune response during relapse and remission stage in primary nephrotic syndrome (PNS).
Methods:
We applied the radioligand binding assay (RBA), the bioactivity measurement of IL-2, and monoclonal antibody sensitized red blood cell method to evaluate the expression of IL-2R, the production of IL-2 and T lymphocyte subsets of PBMC from 22 patients suffering from PNS, 17 patients with PNS in remission, and 25 normal subjects matched age and sex.
Results:
CD3, CD4, CD8, IL-2, IL-2R in relapse were significantly lower than those in control (P < 0.05); all above except CD8 in remission patients were significantly higher than those in relapse, but lower than those in control (P < 0.05).
Conclusion:
This study suggested that the cell mediated immunity (CMI) during acute nephrotic phase decreased; the deficiency of CMI of PNS in remission improved a lot when compared with the acute phase, but still not recovered completely; the deficiency of CMI with PNS in remission might be one of the causes of easily recurring of PNS.
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