Table 1.

Function of CDK20 and p21^Cip1/Waf1 in cancer cell line/system.

Cancer Type	CDK20	p21Cip1/Waf1
Ovarian	cell proliferation [59]	cell survival [65]
Glioblastoma	cell proliferation [36]	cell proliferation [66]
Cervical carcinoma	cell proliferation [23]	High expression function unclear [67]
Osteosarcoma	cell proliferation [60]	Tumor suppressor [68]
Colorectal carcinoma	cell proliferation [60]	Tumor suppressor [69]
Lung cancer	Oncogene [70]	Tumor suppressor [71]
Head and neck cancer	N/A	Tumor suppressor [72]
Breast cancer	Oncogene [16]	Cell proliferation [73]
Liver cancer	Oncogene [74]	Tumor suppressor [75]