How could T cytotoxic be responsible of graft rejection?

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SUMMARY

T cytotoxic cells (T8L) play a crucial role in graft rejection by recognizing foreign MHC molecules presented on graft tissues. This occurs despite T cells typically being restricted to recognizing foreign peptides in conjunction with self-MHC. The discussion highlights the mechanisms by which T cytotoxic cells can identify and respond to non-self MHC, leading to the activation of immune responses that result in graft rejection.

PREREQUISITES
  • Understanding of T cell biology and function
  • Knowledge of MHC (Major Histocompatibility Complex) types
  • Familiarity with graft rejection mechanisms
  • Basic immunology concepts related to antigen presentation
NEXT STEPS
  • Research the role of T cytotoxic cells in graft versus host disease (GVHD)
  • Study the differences between Class I and Class II MHC molecules
  • Explore immunosuppressive therapies used to prevent graft rejection
  • Learn about the mechanisms of T cell activation and differentiation
USEFUL FOR

This discussion is beneficial for immunologists, transplant surgeons, and medical students interested in understanding the immune mechanisms behind graft rejection and the role of T cytotoxic cells in this process.

brainyman89
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If T cells are normally restricted to recognizing foreign peptides displayed by self-MHC molecules, why should these T cells recognize foreign MHC?

pleasezzzzzzzzzzzzzzzz help
 
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what i meant to ask is how can T cytotoxic (T8L) be responsible of graft rejection (graft material of foreign MHC i.e non self-MHC ), though it can recognize only foreign antigen associated with self MHC.
 

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