Clinical Research Directory

The Application of Novel Identified CD8 Regulatory Precursors in Inducing Immune Tolerance After Allo-HSCT

Sponsor: Peking University People's Hospital

Summary

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the most effective treatment for acute leukaemia. The reconstitution of the recipient's immune system with donor-derived HSCT cells and the development of immune tolerance are critical to the success of HSCT. Patients who fail to establish immune tolerance after transplantation develop graft-versus-host disease (GVHD), which is a serious threat to patients' lives and quality of life. Utilising single-cell multi-omics sequencing technology, the study's principal investigator elucidated the distribution of immune cell subpopulations in patients who successfully established immune tolerance post-transplantation. This research also identified a novel group of CD8 regulatory precursors (CD8 Trps), confirming their critical regulatory role in inducing immune tolerance in post-transplantation patients. This finding suggests that this subpopulation may serve as a novel target for predicting and intervening in GVHD. The successful implementation of this project will establish a new method for early prediction of GVHD and provide a new strategy for clinical intervention of GVHD. The goal of this observational study is to explore the sensitivity and validity of the CD8 Trps as a novel biomarker molecule for predicting the development of GVHD through a prospective clinical cohort. The main question it aims to answer is: Can the CD8 Trps serve as an effective molecular marker for the prediction of GVHD occurrence? Can the CD8 Trps cell serve as a novel strategy for GVHD intervention?

Official title: The Application of Novel Identified CD8 Regulatory Precursors in Inducing Immune Tolerance After Allogenic Hematopoietic Stem Cell Transplantation

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