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QWhat is the phenomena that initiates when a helper T cell binds with a class II MHC protein on a displaying cell referred to as?
ID: #10292
Lymphatic system
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Lymphatic systemTopic
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Costimulation is the process by which a helper T cell is activated when it binds to a class II MHC protein on a displaying cell. This process is necessary for the T cell to become activated and to initiate an immune response. Costimulation is a key step in the activation of the immune system, as it helps to ensure that the immune system only responds to foreign antigens and not to self-antigens.
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