circRNA basic information
circBase ID: hsa_circ_0003979
Name: hsa_circ_FAM210A
Synonym: cFAM210A / circRNA-cFAM210A
Host Gene: FAM210A
Genomic location(hg19): chr18:13681603-13682104:-
Genomic location(hg38): chr18:13681604-13682105:-
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007256
MONDO name: hepatocellular carcinoma
Disease details: hepatocellular carcinoma / HCC
Disease DO ID:
684, 686
Disease MeSH ID:
D006528
Disease NCIt ID:
C3099
Disease ICD11 ID:
1294035808
Disease OMIM ID:
114550
Species: Human
Species details: Homo sapiens
Tissue specimen:

healthy liver tissues; HCC tissues; adjacent noncancerous liver (ANL) tissues

Cell lines:

HepG2; Hep3B; Huh7; MHCC97H; HepG2.2.15; HepAD38

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: HBx, RBM15, YTHDF2, HRSP12, POP1, YBX1, MET, AKT, PDK-1
Associated microRNA: -
Biological function: inhibits proliferation, stemness, and tumorigenicity of HCC cells
Molecular mechanism: HBx promotes RBM15-driven m6A modification of cFAM210A and its YTHDF2-HRSP12-RNase P/MRP-mediated degradation; cFAM210A binds YBX1 and inhibits YBX1 Ser102 phosphorylation, reducing YBX1 transactivation of MET
Biological pathway or process:

proliferation (inhibits); stemness (inhibits); m6A modification (other); ceRNA regulation (inhibits)

Detected method:
Q
S
Validation methods:

circRNA-seq; RT-qPCR; divergent primers PCR; RNase R Treatment; Sanger Sequencing; Clinical Sample Validation; Actinomycin D / DRB Stability Assay; MeRIP / MeRIP-seq; Luciferase Reporter Assay; RNA Pull-Down; RIP (RNA Immunoprecipitation); FISH / smFISH; IF (Immunofluorescence); Western Blot; Transfection; CCK8; EdU Staining; Colony Formation Assay; In Vivo Animal Model; Survival Analysis

Clinical significance:

Low cFAM210A expression is associated with poorer late recurrence-free survival in HBV-related HCC

Description:

In HBV-related HCC, cFAM210A is down-regulated and acts as a tumor suppressor by inhibiting HCC cell proliferation, stemness and tumorigenicity. HBx induces RBM15-mediated m6A modification of cFAM210A and promotes its YTHDF2-HRSP12-RNase P/MRP-dependent degradation. cFAM210A binds YBX1, inhibits YBX1 Ser102 phosphorylation, and suppresses YBX1 transactivation of MET, linking low cFAM210A to worse recurrence outcomes.

Confidence score:

0.8712

Other information
Title:

Circular RNA cFAM210A, degradable by HBx, inhibits HCC tumorigenesis by suppressing YBX1 transactivation.

Journal: Experimental & molecular medicine
Published: 2023
PubMed ID: 37907737
Study type:

combined biological and clinical study

Data availability: GSE215232
Code availability: -