circRNA basic information
circBase ID: hsa_circ_0001821
Name: hsa_circ_PVT1
Synonym: circ_0001821
Host Gene: PVT1
Genomic location(hg19): chr8:128902834-128903244:+
Genomic location(hg38): chr8:127890588-127890998:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer / CRC
Disease DO ID:
5672, 9256
Disease MeSH ID:
-
Disease NCIt ID:
C4978
Disease ICD11 ID:
-
Disease OMIM ID:
114500
Species: Human
Species details: Homo sapiens
Tissue specimen:

CRC tissues; adjacent normal tissues; xenograft tumor tissues

Cell lines:

SW480; HCT116; LoVo; FHC

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: CST1
Associated microRNA: miR-339-3p
Biological function: promotes CRC cell proliferation, migration, invasion, EMT, stemness, and tumor growth in vivo
Molecular mechanism: circ_0001821 acts as a miR-339-3p sponge to regulate CST1 expression through a ceRNA mechanism
Biological pathway or process:

ceRNA regulation (other); proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes); stemness (promotes)

Detected method:
Q
Validation methods:

RNase R Treatment; RT-qPCR; Clinical Sample Validation; Nuclear-Cytoplasmic Fractionation; Bioinformatics Analysis; Luciferase Reporter Assay; Transfection; CCK8; EdU Staining; Transwell Assay; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry)

Clinical significance:

circ_0001821 might be a potential therapeutic target for CRC

Description:

circ_0001821 is up-regulated in colorectal cancer tissues and cells and mainly localizes in the cytoplasm. It promotes CRC proliferation, migration, invasion, EMT, stemness, and xenograft tumor growth by sponging miR-339-3p and regulating CST1 expression, suggesting potential therapeutic relevance.

Confidence score:

0.7855

Other information
Title:

Circ_0001821 Potentiates Cell Growth, Metastasis, and Stemness in Colorectal Cancer by Regulating miR-339-3p/CST1.

Journal: Biochemical genetics
Published: 2023
PubMed ID: 36633774
Study type:

combined biological and clinical study

Data availability: -
Code availability: -