Wiskott-Aldrich syndrome is an immunodeficiency disease due to mutations in the gene encoding WASp. Individuals with this disease make poor antibody responses to protein antigens, due to impaired T cell help for B cells. WASp-deficient T cells are likely impaired in providing adequate help to B cells due to:
A) Defects in up-regulating expression of genes encoding cytokines required by B cells
B) Defects in up-regulating metabolic pathways for T cell macromolecular synthesis
C) Defects in up-regulating expression of genes needed for T cell survival
D) Defects in cytoskeletal reorganization needed for directed T cell cytokine secretion
E) Defects in up-regulating T cell integrin adhesion for stable interactions with B cells
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