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Reliable and High Efficiency Extraction of Kidney Immune Cells
Published on: August 19, 2016
[T CD57+ lymphocytes in kidney transplanted patients. Phenotypic and functional study]
F Bruneel1, C Legendre, L Chatenoud
1Service de Transplantation, Hôpital Necker, Paris.
Presse Medicale (Paris, France : 1983)
|December 2, 1992
Summary
Kidney transplant recipients show increased CD3+/CD57+ lymphocytes, a subset correlating with transplant duration. These cells exhibit in vitro suppressive properties, potentially impacting immune responses post-transplant.
Area of Science:
- Immunology
- Transplantation Science
- Cell Biology
Background:
- Kidney transplantation is a vital treatment for end-stage renal disease.
- Understanding post-transplant immune cell dynamics is crucial for optimizing patient outcomes.
- The role of specific lymphocyte subpopulations, like CD3+/CD57+ cells, in kidney transplant recipients requires further elucidation.
Purpose of the Study:
- To investigate the prevalence and characteristics of the CD3+/CD57+ lymphocyte subpopulation in kidney transplant patients.
- To explore correlations between CD3+/CD57+ cell levels and clinical factors such as renal function, immunosuppression, and transplant duration.
- To assess the functional properties of CD3+/CD57+ lymphocytes in vitro.
Main Methods:
- Phenotypic analysis using flow cytometry to quantify lymphocyte subpopulations.
- Comparison of CD3+/CD57+ cell levels between kidney-transplanted patients and non-transplanted controls.
- Statistical analysis to determine correlations with clinical parameters (renal function, immunosuppression, viral stimuli, follow-up period).
- In vitro functional assays to evaluate the suppressive capacity of CD3+/CD57+ cells.
Main Results:
- A significant increase in the CD3+/CD57+ lymphocyte subpopulation was observed in 88 kidney-transplanted patients compared to controls.
- No significant correlation was found between CD3+/CD57+ cells and renal function, immunosuppressive regimen, or allogenic/viral stimuli.
- A significant positive correlation was identified between the proportion of CD3+/CD4+/CD57+ cells and the post-transplant follow-up period.
- In vitro studies indicated that CD3+/CD57+ cells possess suppressive properties.
Conclusions:
- The CD3+/CD57+ lymphocyte subpopulation is elevated in kidney transplant recipients.
- The expansion of CD3+/CD57+ cells is associated with the duration of the post-transplant period.
- These cells exhibit suppressive functions, suggesting a potential role in modulating the immune response following kidney transplantation.
