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Related Experiment Video

Updated: Jan 11, 2026

Bone Marrow Sampling and Transplants
01:22

Bone Marrow Sampling and Transplants

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Is transplantation tolerable?

Terry B Strom1

  • 1Division of Immunology and Transplant Research Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA. tstrom@bidmc.harvard.edu

The Journal of Clinical Investigation
|June 17, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

846
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
846

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Chronic stimulation with a modified antigen generated regulatory T cells and immune tolerance. This approach led to transplant tolerance and a reduction in antigen-reactive T cells.

Area of Science:

  • Immunology
  • Transplantation immunology
  • T cell biology

Background:

  • Developing immune tolerance is crucial for successful transplantation.
  • T cell stimulation is a key factor in immune responses and tolerance induction.
  • Modulating T cell behavior through antigen design offers a potential therapeutic strategy.

Discussion:

  • The study demonstrates that a redesigned, weakly agonistic antigen can induce regulatory T cells and promote immune tolerance.
  • This engineered antigen, based on T cell receptor contact residues, effectively alters T cell responses.
  • The observed loss of antigen-reactive T cells suggests a mechanism for establishing tolerance.

Key Insights:

  • Weak agonistic antigen stimulation can generate regulatory T cells and induce immune tolerance.

Related Experiment Videos

Last Updated: Jan 11, 2026

Bone Marrow Sampling and Transplants
01:22

Bone Marrow Sampling and Transplants

846
  • Antigen redesign targeting T cell receptor interactions is a viable method for creating immune modulators.
  • This approach successfully achieved transplant tolerance in a preclinical model.

    • Outlook:

    • Further research could explore the therapeutic potential of engineered antigens for autoimmune diseases and transplantation.
    • Investigating the long-term stability and safety of antigen-induced tolerance is warranted.
    • This strategy may pave the way for novel immunotherapies that control T cell-mediated immunity.