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meerkat18

No not all types of helper T-cells  bind to all antigens, between an antigen and B-cell different from the binding between an antigen and helper T-cell, B-cells directly bind to free-floating pathogens, and helper T-cells bind to APCs. The helper T-cell's antibody accepts an antigen from the surface of a B-cell.

Answer: No

Explanation:

  • T helper cells are the CD4+ T cells which play an important role in the adaptive immune system.
  • The T helper cells are majorly of two types Th1 and Th2. Besides this another category is of Th17 cells.
  • The T helper cells are able to bind the antigens only when they are presented in a complex bound by MHC. The cells which express MHC bound antigens on their surface are referred to as Antigen presenting cells.
  • All types of helper T cells are not able to bind to all antigens because each type of T cell formed in the body is specific for a particular antigen. This specificity for a particular antigen is acquired when the T cell maturation takes place.
  • Further, the T helper cells are not able to bind to soluble antigens that are not bound to MHC. In fact the soluble antigens are bound by the antibodies released by the B cells.

Thus, it would be incorrect to say that all types of helper T cells bind to all antigens.

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