Skip to main content

Table 3 APA factors in cancer

From: Alternative polyadenylation: methods, mechanism, function, and role in cancer

Factor

Subcellular location

Function

Biological Function

Related major cancer types

Ref.

CIRP

Nucleoplasm

Stabilizes transcripts of genes involved in cell survival and regulates the translational processing machinery.

Stress response

Renal cancer, endometrial cancer, lung cancer, pancreatic cancer, cervical cancer

[63, 64, 154]

NUDT21

Nuclear bodies and additionally in the centriolar satellite

Activates mRNA-processing by binding to 5′-UGUA-3′ elements located upstream of poly(A) signals and regulates gene expression in somatic cell fate through APA machinery.

Differentiation, mRNA processing

Liver cancer, bladder cancer, glioblastomas

[9, 154,155,156]

PABPN1

Nucleoplasm and additionally in nuclear speckles

Modulates the usage of poly(A) sites and controls the poly(A) tail length.

mRNA processing

Pancreatic cancer, liver cancer, renal cancer

[154, 157, 158]

hnRNPC

Nucleoplasm

Regulates the stability and translation level of mRNA.

mRNA processing, mRNA splicing

Ovarian cancer, breast cancer, lung cancer, liver cancer, renal cancer

[154, 159,160,161,162,163,164,165]

RBBP6

Nuclear speckles

Regulates DNA-replication and interacts with the p53/TP53-MDM2 complex as a scaffold.

DNA damage, DNA replication, Ubl conjugation pathway

Colorectal cancer, cervical carcinoma, myeloproliferative neoplasms

[75, 103, 154]

CSTF2

Nucleoplasm and additionally in nuclear bodies

Involved in the 3’end cleavage and polyadenylation of pre-mRNAs.

mRNA processing

Liver cancer, renal cancer

[92, 93, 154]

PCF11

Nucleoplasm and additionally in mitochondria

Involved in the degradation of the 3′ product of poly(A) site cleavage and Pol II transcription termination

mRNA processing

Urothelial cancer, head and neck cancer

[101, 154, 166, 167]

U1 snRNP

Nucleoplasm

Regulates the usage of poly(A) sites and controls the poly(A) tail length.

Ribonucleoprotein, RNA-binding

Pancreatic cancer, urothelial cancer, renal cancer

[102, 154, 168]