circRNA basic information
circBase ID: hsa_circ_0001821
Name: hsa_circ_PVT1
Synonym: CircPVT1
Host Gene: PVT1
Genomic location(hg19): chr8:128902834-128903244:+
Genomic location(hg38): chr8:127890588-127890998:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005086
MONDO name: renal cell carcinoma
Disease details: renal cell carcinoma / RCC
Disease DO ID:
4450
Disease MeSH ID:
D002292
Disease NCIt ID:
-
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

RCC tumors; adjacent normal tissues

Cell lines:

OSRC-2; 786-O; ACHN; Caki-2; HK-2; Caki-1

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: EIF4A3, c-MYC
Associated microRNA: -
Biological function: Enhances RCC cell proliferation, migration, invasion and promotes lung metastasis/tumor growth.
Molecular mechanism: CircPVT1 binds EIF4A3 to facilitate c-MYC expression; additionally circPVT1 encodes cP104aa which promotes c-MYC upregulation via protein interactions.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes); mRNA stability (other)

Detected method:
Q
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; Actinomycin D / DRB Stability Assay; RT-qPCR; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; Transfection; EdU Staining; Colony Formation Assay; Wound Healing Assay; Transwell Assay; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry); TUNEL; H&E Staining; Survival Analysis; Bioinformatics Analysis; RNA Pull-Down; RIP (RNA Immunoprecipitation); Co-IP

Clinical significance:

High circPVT1 expression is associated with poor prognosis in RCC; correlated with Fuhrman grade.

Description:

circPVT1 is up-regulated in RCC and associated with poor prognosis. It promotes RCC proliferation, invasion/migration, EMT and lung metastasis. Mechanistically, circPVT1 binds EIF4A3 to increase c-MYC expression and also contributes via encoding cP104aa.

Confidence score:

0.8913

Other information
Title:

CircPVT1 Promotes Lung Metastasis and Tumor Progression in Renal Cell Carcinoma by Encoding the cP104aa Peptide and Targeting EIF4A3.

Journal: Advanced science (Weinheim, Baden-Wurttemberg, Germany)
Published: 2025
PubMed ID: 40966379
Study type:

combined biological and clinical study

Data availability: GSE108735
Code availability: -