Tumor
Antigens - 1
Types of antigens: - continued
7.Tumor
˜immune system
can limit the occurrence of tumors
˜certain
tumors can evade the immune system
˜malignant
tumors consist of a clone of abnormal cells that are derived from normal tissue by
mutations in:
Uregulatory
genes
Utumor
suppressor genes
Uoncogenes
genes
˜the abnormal
cell clones show loss of:
Utheir
specific function
Utheir
biochemical characteristics
Utheir normal
cell morphology
˜tumor cells
may express certain gene products (molecules) called Atumor
markers@
