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Table 1 Expression of CDK5 and its activators in human cancers

From: CDK5: an oncogene or an anti-oncogene: location location location

No

Cancer Types

CDK5 status

CDK5 activator status

CDK5 localization

CDK5 functions

References

1

Breast cancer

Overexpressed

p35 overexpressed

Cytoplasmic/membranous*

Proliferation, cell survival, EMT and metastasis

[42, 43]

2

Prostate cancer

Overexpressed

p35 overexpressed

Predominantly Cytoplasmic/membranous, little nuclear staining*

Proliferation, migration, invasion, metastasis and neuroendocrine differentiation

[50, 51]

3

Pancreatic cancer

Overexpressed

p35 and p39 overexpressed

Predominantly Cytoplasmic/membranous, little nuclear staining*

Proliferation, tumorigenesis, migration and metastasis

[35, 36]

4

Medullary thyroid cancer

Overexpressed

p35 and p25 overexpressed

Cytoplasmic/membranous*

Proliferation and tumorigenesis

[34]

5

Gastric cancer

Decreased

p35 low

Excluded from nucleus [41]

Inhibits proliferation and metastasis. Acts as cell cycle suppressor

[40, 41, 64]

6

Colorectal cancer

Overexpressed

p35 overexpressed

Cytoplasmic/membranous*

Proliferation, migration and invasion

[66, 67]

7

Glioma

Overexpressed

p35 and p25 overexpressed

Predominantly cytoplasmic with some nuclear staining [68, 69]

Tumorigenesis, migration and invasion

[68, 69]

8

Hepatocellular carcinoma

Overexpressed

p35 overexpressed

Cytoplasmic/membranous/nuclear*

Tumorigenesis, angiogenesis and metastasis

[77, 78]

9

Pituitary adenoma

Overexpressed

p35 overexpressed

Cytoplasmic [86]

Migration and invasion

[85, 86]

10

Lung Cancer

Overexpressed

p35 overexpressed

Cytoplasmic

[87, 88]

Tumorigenesis, metastasis, tumor immunity, radio- and chemoresistance

[87, 88]

11

Melanoma

Overexpressed

p35 overexpressed

Cytoplasmic/membranous*

Tumorigenesis, invasion and metastasis

[101, 102]

12

Ovarian cancer

Overexpressed

-

Cytoplasmic and nuclear [105, 106]

Inhibits cell cycle arrest and apoptosis

[105, 106]

13

Medulloblastoma

Overexpressed

p35 and p39 overexpressed

-

Immune evasion

[103]

14

Head and neck cancer

Overexpressed

-

Predominantly cytoplasmic/membranous, some nuclear*

EMT, invasion and metastasis

[108]

15

Leukemia

mRNA upregulated and downregulated

p35 and Cyclin I mRNA upregulated

-

Survival and proliferation

[109,110,111]

16

Multiple Myeloma

Overexpressed

-

-

Proliferation and drug resistance

[111, 113]

  1. * denotes subcellular localization of CDK5 as reported in The Human Protein Atlas (https://www.proteinatlas.org/). The Human Protein Atlas does not have separate categories for membrane and cytoplasmic localization. Instead, The Human Protein Atlas categorizes them as cytoplasmic/membranous. As CDK5 is not membrane-bound, it should be mainly cytoplasmic when listed as cytoplasmic/membranous