circRNA basic information
circBase ID: -
Name: hsa_circ_PVT1
Synonym: -
Host Gene: PVT1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007256
MONDO name: hepatocellular carcinoma
Disease details: hepatocellular carcinoma
Disease DO ID:
684, 686
Disease MeSH ID:
D006528
Disease NCIt ID:
C3099
Disease ICD11 ID:
1294035808
Disease OMIM ID:
114550
Species: Human
Species details: Homo sapiens
Tissue specimen:

HCC tissues; adjacent normal tissues; xenograft tumors

Cell lines:

SNU-387; Huh7; THLE-2

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: TRIM23, Ago2
Associated microRNA: miR-377
Biological function: Promotes proliferation and glycolysis and inhibits apoptosis; promotes tumor growth in vivo in hepatocellular carcinoma.
Molecular mechanism: circPVT1 acts as a ceRNA by sponging miR-377 to upregulate TRIM23; interaction supported by dual-luciferase reporter assay and Ago2-RIP.
Biological pathway or process:

proliferation (promotes); apoptosis (inhibits); glycolysis (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Transfection; MTT; Annexin V/PI Flow Cytometry; Western Blot; In Vivo Animal Model; Clinical Sample Validation

Clinical significance:

CircPVT1/miR-377/TRIM23 can act as novel biomarkers and clinical targets for HCC.

Description:

circPVT1 is up-regulated in hepatocellular carcinoma tissues and cell lines, and functions as an oncogenic circRNA. It primarily localizes in the cytoplasm and promotes proliferation and glycolysis while inhibiting apoptosis by sponging miR-377 to increase TRIM23 expression, thereby enhancing tumor growth in xenograft models.

Confidence score:

0.762

Other information
Title:

CircPVT1 Regulates Cell Proliferation, Apoptosis and Glycolysis in Hepatocellular Carcinoma via miR-377/TRIM23 Axis.

Journal: Cancer management and research
Published: 2020
PubMed ID: 33364841
Study type:

combined biological and clinical study

Data availability: -
Code availability: -