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Updated: Nov 4, 2025

In Vitro and In Vivo Assessment of T, B and Myeloid Cells Suppressive Activity and Humoral Responses from Transplant Recipients
Published on: August 12, 2017
Regulatory T cells induce transplant immune tolerance
Jian Lu1, Peiyuan Li2, Xuezhi Du2
1Department of General Surgery, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin 300052, China; Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, No. 218, Jixi Road, Shushan District, Hefei, Anhui 230022, China.
Regulatory T cells (Tregs) show promise for preventing organ transplant rejection with fewer side effects than current drugs. Treg-based therapies are moving into clinical trials for transplantation, offering a new path to immune tolerance.
Area of Science:
- Immunology
- Transplantation Medicine
- Cellular Therapy
Background:
- Organ transplantation is crucial for end-stage organ failure but relies on immunosuppressants with significant side effects.
- Current immunosuppressive regimens can lead to adverse effects, impacting long-term patient survival and quality of life.
- There is a critical need for novel strategies to prevent transplant rejection and induce immune tolerance with improved safety profiles.
Purpose of the Study:
- To review the phenotype, in vitro expansion, and immunomodulatory mechanisms of regulatory T cells (Tregs) in transplantation.
- To highlight recent clinical trial data on Treg-based cellular therapies for organ transplantation.
- To discuss future directions and limitations of Treg-based approaches in preventing allograft rejection.
Main Methods:
- Review of scientific literature on regulatory T cells (Tregs) and their role in transplantation immunity.
- Analysis of Treg phenotype and in vitro expansion techniques.
- Examination of Treg-mediated immunomodulatory mechanisms.
- Synthesis of data from recent clinical trials involving Treg-based therapies in organ transplantation.
Main Results:
- Regulatory T cells (Tregs) possess significant immunomodulatory capabilities relevant to transplantation.
- Treg-based cellular therapies are emerging as a viable alternative to conventional immunosuppression.
- Early clinical trials suggest potential efficacy in preventing allograft rejection and promoting immune tolerance.
Conclusions:
- Regulatory T cells (Tregs) represent a promising cellular therapy for organ transplantation, aiming to reduce rejection and side effects.
- Further research and clinical trials are necessary to optimize Treg expansion and application for widespread use.
- Treg-based therapies hold the potential to improve long-term outcomes and quality of life for transplant recipients.
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