Tumor Antigens - 2
•Types of antigens: - continued
•7.Tumor - continued
•˜tumor markers may be:
•U on surface of tumor cells
•U shed from cells into blood, urine, or other body fluids
•˜only a few tumor markers have the ability to stimulate the immune system and are tumor-specific antigens:
•˜most tumor markers are expressed by other tumors or even normal cells and are tumor-associated antigens:
•˜tumor-associated antigens are useful in:
•U support of a diagnosis
•U monitoring progression or regression of tumor
•U establish prognosis for malignant tumors