circRNA basic information
circBase ID: hsa_circ_0004639
Name: hsa_circ_PVRL3
Synonym: circPVRL3 / cirPVRL3
Host Gene: PVRL3
Genomic location(hg19): chr3:110830876-110841085:+
Genomic location(hg38): chr3:111112029-111122238:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005184
MONDO name: pancreatic ductal adenocarcinoma
Disease details: pancreatic ductal adenocarcinoma / PDAC
Disease DO ID:
3498, 3587
Disease MeSH ID:
D021441
Disease NCIt ID:
C9120
Disease ICD11 ID:
581089833
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

PDAC tissues; tumor-adjacent tissues

Cell lines:

PANC-1; CFPAC-1; AsPC-1; BxPC-3; SW1990

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: SOCS2
Associated microRNA: hsa-miR-194-5p
Biological function: inhibits proliferation and migration; suppresses tumor growth and metastasis-related markers
Molecular mechanism: ceRNA mechanism: circPVRL3 sponges miR-194-5p to regulate SOCS2 and PI3K/AKT signaling
Biological pathway or process:

PI3K/AKT (inhibits); proliferation (inhibits); migration (inhibits); metastasis (inhibits); EMT (inhibits); ceRNA regulation (other)

Detected method:
M
Validation methods:

divergent primers PCR; Sanger Sequencing; RNase R Treatment; agarose gel electrophoresis; RT-qPCR; FISH / smFISH; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Transfection; CCK8; EdU Staining; Colony Formation Assay; Transwell Assay; In Vivo Animal Model; IHC (Immunohistochemistry); Western Blot; Bioinformatics Analysis; Microarray

Clinical significance:

-

Description:

circPVRL3 is downregulated in PDAC and functions as a ceRNA that sponges miR-194-5p, thereby relieving repression of SOCS2 and reducing PI3K/AKT pathway activation. Loss of circPVRL3 promotes PDAC cell proliferation and migration, while circPVRL3 overexpression suppresses these phenotypes in vitro and in xenograft models.

Confidence score:

0.8415

Other information
Title:

Increased expression of miR-194-5p through the circPVRL3/miR-194-5p/SOCS2 axis promotes proliferation and metastasis in pancreatic ductal adenocarcinoma by activating the PI3K/AKT signaling pathway.

Journal: Cancer cell international
Published: 2022
PubMed ID: 36539807
Study type:

combined biological and clinical study

Data availability: GSE79634; GSE43795
Code availability: -