Anti-CD4 monoclonal antibody prevents chronic graft-versus-host disease in mice by inducing immune tolerance of CD8+ T cells and alleviating thymus injury
2024

Anti-CD4 Antibody Prevents Chronic Graft-Versus-Host Disease in Mice

Sample size: 24 publication Evidence: high

Author Information

Author(s): Wang Ziwei, Li Ruiqi, Fu Weijia, Cheng Hui, Zhang Yan, Tang Gusheng, Yang Jianmin, Wang Jianmin, Ni Xiong

Primary Institution: Department of Hematology, Changhai Hospital, The Second Military Medical University, Shanghai, China

Hypothesis

Transient treatment with anti-CD4 mAb supports reconstruction of CD4+CD8+ DP thymocytes and induces immune tolerance in thymus-infiltrating CD8+ T cells.

Conclusion

Anti-CD4 mAb therapy early post-HCT allows thymus recovery and preserves long-term graft-versus-leukemia effect.

Supporting Evidence

  • Anti-CD4 mAb treatment improved survival rates in mice post-HCT.
  • Mice treated with anti-CD4 showed recovery of thymic function.
  • Histopathological analysis indicated reduced tissue damage in anti-CD4 treated mice.

Takeaway

This study shows that giving a special antibody to mice after a transplant helps their immune system recover and prevents a disease that can happen after the transplant.

Methodology

Mice were treated with either IgG or anti-CD4 monoclonal antibody after hematopoietic cell transplantation, and various immune responses were assessed.

Participant Demographics

Male C57BL/6 and BALB/c mice, aged 12 to 14 weeks.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.3389/fimmu.2024.1460687

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