circRNA basic information
circBase ID: hsa_circ_0002474
Name: hsa_circ_PDE5A
Synonym: circPDE5A
Host Gene: PDE5A
Genomic location(hg19): chr4:120517677-120528452:-
Genomic location(hg38): chr4:119596522-119607297:-
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008315
MONDO name: prostate cancer
Disease details: prostate cancer / PCa
Disease DO ID:
10283
Disease MeSH ID:
D011471
Disease NCIt ID:
C7378
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

prostate cancer tissues; adjacent normal tissues

Cell lines:

LNCaP; C4-2B; 22Rv-1; DU145; PC-3; RWPE-1

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: WTAP, EIF3C, METTL3, METTL14, YTHDF1, FOXO4, eIF4A3
Associated microRNA: -
Biological function: inhibits migration and invasion; restrains metastasis
Molecular mechanism: Forms a circPDE5A-WTAP complex to block WTAP-dependent m6A methylation of EIF3C mRNA, reducing EIF3C translation (YTHDF1-dependent) and inactivating the MAPK pathway.
Biological pathway or process:

migration (inhibits); invasion (inhibits); metastasis (inhibits); m6A modification (inhibits); MAPK (inhibits)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; RNase R Treatment; Actinomycin D / DRB Stability Assay; Sanger Sequencing; divergent primers PCR; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; Transfection; RNA Pull-Down; RIP (RNA Immunoprecipitation); Co-IP; MeRIP / MeRIP-seq; Luciferase Reporter Assay; ChIP / ChIP-seq; Transwell Assay; CCK8; In Vivo Animal Model; H&E Staining; Western Blot; IF (Immunofluorescence); Bioinformatics Analysis; CLIP

Clinical significance:

downregulated in PCa tissues compared to adjacent normal tissues; negatively correlated with gleason score; could be a potential diagnostic biomarker and an effective therapeutic target for PCa treatment

Description:

circPDE5A is down-regulated in prostate cancer and functions as a metastasis suppressor. It binds WTAP and inhibits WTAP-dependent m6A methylation on EIF3C mRNA, reducing YTHDF1-associated translational output of EIF3C and thereby inactivating MAPK signaling to restrain migration/invasion and metastasis.

Confidence score:

0.8304

Other information
Title:

circPDE5A regulates prostate cancer metastasis via controlling WTAP-dependent N6-methyladenisine methylation of EIF3C mRNA.

Journal: Journal of experimental & clinical cancer research : CR
Published: 2022
PubMed ID: 35650605
Study type:

combined biological and clinical study

Data availability: The datasets used and/or analyzed during the current study are available within the manuscript and its supplementary information files.
Code availability: -