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: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005005
MONDO name: clear cell renal carcinoma
Disease details: clear cell renal cell carcinoma
Disease DO ID:
4467
Disease MeSH ID:
-
Disease NCIt ID:
C4033
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

ccRCC tissues; adjacent normal kidney tissues; serum

Cell lines:

ACHN; 786-O; Caki-1; HK-2; 293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: TBX15
Associated microRNA: miR-145-5p
Biological function: promotes proliferation, migration, invasion, tumor growth and metastasis
Molecular mechanism: Acts as a ceRNA sponge for miR-145-5p, relieving repression of TBX15 and promoting ccRCC progression.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); cell cycle (other); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Microarray; Bioinformatics Analysis; divergent primers PCR; RT-qPCR; Sanger Sequencing; RNase R Treatment; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; Transfection; CCK8; EdU Staining; Transwell Assay; Cell Cycle Assay; Annexin V/PI Flow Cytometry; RNA Pull-Down; Luciferase Reporter Assay; RNA-seq; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; H&E Staining; Clinical Sample Validation; ROC Analysis

Clinical significance:

circPVT1 is overexpressed in ccRCC tissues and serum, associated with T/N/M stage, and shows diagnostic value with ROC AUC 0.93 (tissue) and 0.86 (serum).

Description:

circPVT1 (hsa_circ_0001821), derived from PVT1, is up-regulated in ccRCC tissues and serum and is associated with advanced stage. Functionally, it promotes ccRCC proliferation, migration/invasion, and in vivo tumor growth/metastasis. Mechanistically, it acts as a ceRNA sponging miR-145-5p to upregulate TBX15.

Confidence score:

0.8802

Other information
Title:

CircPVT1 promotes progression in clear cell renal cell carcinoma by sponging miR-145-5p and regulating TBX15 expression.

Journal: Cancer science
Published: 2021
PubMed ID: 33453148
Study type:

combined biological and clinical study

Data availability: GSE108735
Code availability: -