Review Article

Unraveling the Molecular Nexus between GPCRs, ERS, and EMT

Table 3

Alterations in G protein and GRKs in cancer.

Cancer type studied

Alteration in G proteins
 Mutations in Gα protein (GNAS, GNAQ, and GNA11) [27]Appendiceal tumors (20%), breast cancer (16.40%), colorectal cancer (12.7%), lung cancer (10.9%), hematologic cancers (9.10%), melanoma (excluding ocular) (7.3%), and gastrointestinal cancer (excluding appendiceal and colorectal) (7.3%)
 Mutations in Gβ protein (GNB1 and GNB2) [28]Bladder cancer, breast cancer, hematopoietic and lymphoid malignancies, head and neck cancer, kidney cancer, liver cancer, lung cancer, ovarian cancer, pancreatic cancer, skin cancer, stomach cancer, uterine cancer
 GNAL [4]Endometrial cancer, large intestine cancer, liver cancer, lung cancer, ovarian cancer
 GNG12 [4]Lung cancer
 GNA13 [4]Breast cancer, endometrial cancer, hematopoietic and lymphoid malignancies, kidney cancer, large intestine cancer, lung cancer
 GNA14 [4]Endometrial cancer, kidney cancer, large intestine cancer, lung cancer, ovarian cancer, prostate cancer, skin cancer
Alterations in GRKs
 GRK2Medulloblastoma [216], gallbladder cancer [217]
 GRK3Prostate cancer [218, 219], colon cancer [220], breast cancer [221]
 GRK4Breast cancer [222]
 GRK5Breast cancer [223], non-small-cell lung cancer [224], prostate cancer [225, 226], renal cell carcinoma [227], glioblastoma [228]
 GRK6Colorectal carcinoma [229], papillary thyroid carcinoma [230], medulloblastoma [231]