circRNA basic information
circBase ID: hsa_circ_0003692
Name: hsa_circ_FNDC3B
Synonym: circ0003692 / circFNDC3B
Host Gene: FNDC3B
Genomic location(hg19): chr3:171969049-172028671:+
Genomic location(hg38): chr3:172251259-172310881:+
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:

GC tissues; adjacent normal tissues; TMA

Cell lines:

HGC-27; AGS; 293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: c-Myc, FNDC3B-267aa, Snail, Slug
Associated microRNA: -
Biological function: inhibits gastric cancer cell migration and metastasis (via translating FNDC3B-267aa)
Molecular mechanism: circ0003692 encodes FNDC3B-267aa; FNDC3B-267aa binds c-Myc and promotes proteasome-mediated degradation of c-Myc, suppressing the c-Myc-Snail/Slug axis
Biological pathway or process:

migration (inhibits); metastasis (inhibits); EMT (inhibits); ubiquitination (other)

Detected method:
Q
H
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; Actinomycin D / DRB Stability Assay; RT-qPCR; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; ISH (In Situ Hybridization); Clinical Sample Validation; Luciferase Reporter Assay; Transfection; Transwell Assay; Wound Healing Assay; Western Blot; Co-IP; In Vivo Animal Model; H&E Staining; Bioinformatics Analysis; Survival Analysis

Clinical significance:

Circ0003692 is decreased in GC and associated with T, N, M grade; circ0003692 expression did not correlate with the overall survival of GC patients.

Description:

circ0003692 (hsa_circ_0003692), derived from FNDC3B, is down-regulated in gastric cancer tissues and associates with advanced TNM grades. It acts mainly by encoding the peptide FNDC3B-267aa, which binds c-Myc and promotes its proteasomal degradation, thereby suppressing the c-Myc-Snail/Slug axis and reducing GC migration/metastasis.

Confidence score:

0.8707

Other information
Title:

A novel protein FNDC3B-267aa encoded by circ0003692 inhibits gastric cancer metastasis via promoting proteasomal degradation of c-Myc.

Journal: Journal of translational medicine
Published: 2024
PubMed ID: 38802851
Study type:

combined biological and clinical study

Data availability: -
Code availability: -