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TUMOR IMMUNOLOGY.pdf

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Immune defects in T cells in cancer<br />

• Alterations in the expression of signal transduction<br />

molecules in immune cells.<br />

• Loss of CD 3ζ chain. TCR-CD3 complex. It functions<br />

as a single transducer upon antigen binding.<br />

• Receptor-mediated apoptosis of T cells contributes to<br />

T cell dysfunction.

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