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7 Cards in this Set
- Front
- Back
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T cell growth factor.
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IL-2
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B-Cell growth factor
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IL-4
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B-cell differentiation factor.
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IL-5
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Certain antigens, such as bacterial polysaccharides, can activate B cells directly, without help of a CD4 T cell. Which type of antibody is produced? Why?
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This is T-cell independent antigen - only IgM is produced because IL-4 and IL-5 are made by the helper T cell and required for B cells to produce IgE, IgA, and IgG.
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This costimulatory protein is required to activate helper T cells and to produce antibodies.
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B7
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Molecules that are not immunogenic by themselves and cannot stimulate a primary or secondary response on their own but can do so when covalently bound to a 'carrier' protein.
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Hapten
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______ enhance the immune response to an immunogen. They are chemically unrelated to the immunogen and may act by non-specifically stimulating the immunoreactive cells or by releasing the immunogen slowly.
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Adjuvants
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