Tumor
Antigens - 2
•Types of antigens: - continued
•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