circRNA basic information
circBase ID: hsa_circ_0002082
Name: -
Synonym: circ-malat1
Host Gene: malat1
Genomic location(hg19): chr11:65271199-65272066:+
Genomic location(hg38): chr11:65503728-65504595:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0001056
MONDO name: gastric cancer
Disease details: gastric cancer / GC
Disease DO ID:
10534
Disease MeSH ID:
-
Disease NCIt ID:
C9331
Disease ICD11 ID:
1397617262
Disease OMIM ID:
613659
Species: Human
Species details: Homo sapiens
Tissue specimen:

-

Cell lines:

GES-1; BGC-823; HEK293T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: CCND2, AGO2
Associated microRNA: miR-154-5p
Biological function: Promotes gastric cancer cell growth/proliferation and survival; knockdown promotes apoptosis.
Molecular mechanism: Circ-malat1 acts as a cytoplasmic ceRNA that sponges miR-154-5p to enhance CCND2 expression.
Biological pathway or process:

proliferation (promotes); apoptosis (inhibits); cell cycle (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Back-Splice Junction PCR / divergent primers PCR; Nuclear-Cytoplasmic Fractionation; Transfection; CCK8; EdU Staining; Cell Cycle Assay; Annexin V/PI Flow Cytometry; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Western Blot; Bioinformatics Analysis

Clinical significance:

-

Description:

Circ-malat1 is up-regulated in gastric cancer cells and promotes cell growth/proliferation. It mainly localizes in the cytoplasm and functions as a ceRNA that sponges miR-154-5p, thereby increasing CCND2 expression to drive gastric carcinogenesis.

Confidence score:

0.7626

Other information
Title:

Circ-malat1 promotes gastric cell growth via miR-154-5p/CCND2.

Journal: Frontiers in genetics
Published: 2025
PubMed ID: 40708910
Study type:

biological research

Data availability: https://www.frontiersin.org/articles/10.3389/fgene.2025.1594354/full#supplementary-material
Code availability: -