circRNA basic information
circBase ID: hsa_circ_0006401
Name: hsa_circ_COL6A3
Synonym: circCOL6A3_030
Host Gene: COL6A3
Genomic location(hg19): chr2:238242092-238245175:-
Genomic location(hg38): chr2:237333449-237336532:-
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0001056
MONDO name: gastric cancer
Disease details: gastric cancer
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:

GC tissues; paired adjacent non-cancerous tissue samples; mice gastric tumor tissues; peritoneal metastatic nodules; liver tissues

Cell lines:

GES-1; MGC-803; SGC-7901; BGC-823; AGS; HGC-27

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DS
Associated gene: circCOL6A3_030_198aa
Associated microRNA: -
Biological function: Promotes gastric cancer cell migration and metastasis (liver metastasis; lymph node metastasis association), mainly via its encoded peptide.
Molecular mechanism: circCOL6A3_030 is translated into a 198-aa peptide (circCOL6A3_030_198aa), and the peptide (rather than the RNA itself) promotes gastric cancer migration/metastasis.
Biological pathway or process:

migration (promotes); metastasis (promotes); other pathway/process (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; FISH / smFISH; Transfection; Transwell Assay; Wound Healing Assay; In Vivo Animal Model; H&E Staining; IHC (Immunohistochemistry); Western Blot; Bioinformatics Analysis; ROC Analysis; Clinical Sample Validation

Clinical significance:

circCOL6A3_030 provided diagnostic value for detecting lymph node metastasis of gastric cancer (ROC AUC=0.675).

Description:

In gastric cancer, circCOL6A3_030 shows abnormal expression, being higher in lymph node metastasis cases. Functional assays indicate it promotes migration and in vivo liver metastasis mainly through translation into a 198-aa peptide (circCOL6A3_030_198aa), and it has potential value as a marker for lymph node metastasis.

Confidence score:

0.8066

Other information
Title:

Circular RNA circCOL6A3_030 is involved in the metastasis of gastric cancer by encoding polypeptide.

Journal: Bioengineered
Published: 2021
PubMed ID: 34595992
Study type:

combined biological and clinical study

Data availability: GSE100170; TCGA
Code availability: -