circRNA basic information
circBase ID: -
Name: hsa_circ_VAV3
Synonym: hsa_circRNA_404557 / VAV3 circRNA
Host Gene: VAV3
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007254
MONDO name: breast cancer
Disease details: breast cancer / BC
Disease DO ID:
1612
Disease MeSH ID:
-
Disease NCIt ID:
C9335
Disease ICD11 ID:
1047754165
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

breast cancer tissue specimens

Cell lines:

-

In vivo animal model:

-

circRNA-disease information
Expression pattern:
DN
Associated gene: -
Associated microRNA: -
Biological function: Subtype-discriminating TNBC marker candidate; discussed as pathophysiologically relevant to cytoskeletal remodeling/metastatic potential (via host-gene context).
Molecular mechanism: Subtype-specific m6A hypomethylation with downregulation; mechanistic implications discussed via enriched pathways (no direct interaction assays for this circRNA).
Biological pathway or process:

other pathway/process (other)

Detected method:
M
Validation methods:

MeRIP / MeRIP-seq; Microarray; RNase R Treatment; Bioinformatics Analysis; ROC Analysis

Clinical significance:

High discriminatory power for TNBC vs luminal (AUC TNBC vs. Luminal = 1.0).

Description:

hsa_circRNA_404557 (VAV3 circRNA) is reported as hypomethylated and downregulated in TNBC, with very high diagnostic discrimination (AUC = 1.0) between TNBC and luminal tumors. Its functional relevance is discussed mainly through host-gene/pathway context (e.g., CDC42/Rho GTPase-related programs), without direct mechanistic validation for this circRNA.

Confidence score:

0.5668

Other information
Title:

Subtype-Specific m6A circRNA Methylation Patterns Identify Epigenetic Biomarker Candidates of Potential Diagnostic and Prognostic Significance in Breast Cancer.

Journal: International journal of molecular sciences
Published: 2026
PubMed ID: 41516402
Study type:

combined biological and clinical study

Data availability: -
Code availability: -