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TUMOR IMMUNOLOGY.pdf

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Tumor Antigens<br />

• Altered self: K-ras, products of normally unexpressed<br />

genes (MAGE, BAGE, GAGE), proteins of alternative<br />

reading frame, - of post-translational modification, -<br />

different orders of glycosylation gy y (mucin-CA125,, MUC1).<br />

• Viral antigens: EBNA, E-6,E-7, papilloma virus antigens<br />

of cervical carcinomas.<br />

• Oncofetal antigens: alpha-fetoprotein (AFP),<br />

Carcinoembryonic antigen (CEA)<br />

• Autoantigens: overexpression - c-myc in lymphomas,<br />

leukemias; HER-2/neu epidermal growth factor receptorbreast<br />

cancer (Herceptin).

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