Peripheral blood regulatory T cell counts as a predictive biomarker for the outcome of kidney transplant: A systematic review.

Background And Objective: Circulating regulatory T cells could become a suitable biomarker for kidney recipients. The objective of this study was to evaluate the effect of mammalian target of rapamycin (mTOR) inhibitors on regulatory T cell numbers, and the clinical interest of this effect.

Material And Methods: Systematic review of published and unpublished studies.