circRNA basic information
circBase ID: hsa_circ_0082003
Name: hsa_circ_MET
Synonym: circMET
Host Gene: MET
Genomic location(hg19): chr7:116339124-116397828:+
Genomic location(hg38): chr7:116699070-116757774:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005233
MONDO name: non-small cell lung carcinoma
Disease details: non-small-cell lung cancer
Disease DO ID:
3908
Disease MeSH ID:
D002289
Disease NCIt ID:
C2926
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

NSCLC tissues; adjacent nontumoral tissues / peritumoral tissues / adjacent normal lung tissues

Cell lines:

A549; 95C; 95D; HBE; NCI-H1299; NCI-H460; HEK-293T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: CXCL3, AGO2, MET
Associated microRNA: miR-145-5p
Biological function: Promotes NSCLC cell proliferation, metastasis (migration/invasion), and immune evasion.
Molecular mechanism: Acts as a miRNA sponge (ceRNA) for miR-145-5p, thereby upregulating CXCL3; associated with reduced CD8+ T-cell infiltration (immune escape).
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); immune regulation (other); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; Clinical Sample Validation; Cohort Study; Survival Analysis; circRIP; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; RNA Pull-Down; FISH / smFISH; Transfection; CCK8; Colony Formation Assay; Wound Healing Assay; Transwell Assay; Western Blot; IHC (Immunohistochemistry); H&E Staining; Bioinformatics Analysis

Clinical significance:

High circMET expression correlates with aggressive clinicopathological features and is an independent risk factor for short OS and PFS; proposed diagnostic and prognostic biomarker in NSCLC.

Description:

circMET is up-regulated in NSCLC tissues and promotes malignant phenotypes (proliferation, migration/invasion/metastasis) and immune evasion. It functions mainly as a ceRNA by sponging miR-145-5p to relieve repression of CXCL3, and high circMET predicts worse OS/PFS.

Confidence score:

0.861

Other information
Title:

circMET promotes NSCLC cell proliferation, metastasis, and immune evasion by regulating the miR-145-5p/CXCL3 axis.

Journal: Aging
Published: 2020
PubMed ID: 32614785
Study type:

combined biological and clinical study

Data availability: -
Code availability: -