circRNA basic information
circBase ID: hsa_circ_0070934
Name: -
Synonym: circ_0070934
Host Gene: -
Genomic location(hg19): chr4:128995614-129012667:+
Genomic location(hg38): chr4:128074459-128091512:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer
Disease DO ID:
5672, 9256
Disease MeSH ID:
-
Disease NCIt ID:
C4978
Disease ICD11 ID:
-
Disease OMIM ID:
114500
Species: Human
Species details: Homo sapiens
Tissue specimen:

CRC tissues; matched noncarcinoma tissues; paraneoplastic tissues; paracancerous tissues; colonic specimens; xenograft tumor sections

Cell lines:

HCT116; LOVO; HT29; HCT8; SW480; SW620; FHC

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: HOXA13, Ago2
Associated microRNA: miR-203a-3p
Biological function: Promotes CRC cell proliferation, migration, invasion, EMT, and tumor growth in vivo; circ_0070934 knockdown suppresses these malignant phenotypes.
Molecular mechanism: circ_0070934 functions as a molecular sponge of miR-203a-3p and modulates HOXA13 expression through the miR-203a-3p/HOXA13 axis.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

RT-qPCR; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); RNA Pull-Down; Transfection; CCK8; EdU Staining; Transwell Assay; Wound Healing Assay; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry); Cohort Study; Survival Analysis; Bioinformatics Analysis

Clinical significance:

High circ_0070934 expression is associated with more advanced TNM stage, more lymph node and distal node metastasis, poorer tumor differentiation, and poor overall survival; circ_0070934 is a candidate prognostic biomarker.

Description:

circ_0070934 is up-regulated in colorectal cancer tissues and cells and high expression is associated with aggressive clinicopathologic features and poor prognosis. Functionally, circ_0070934 promotes CRC cell proliferation, migration, invasion, EMT, and xenograft tumor growth. Mechanistically, it acts as a sponge for miR-203a-3p to regulate the downstream HOXA13 axis.

Confidence score:

0.8557

Other information
Title:

Circ_0070934 Regulates the Proliferation, Metastasis, and Epithelial-Mesenchymal Transition of Colorectal Cancer Cells by Targeting miR-203a-3p/HOXA13 Axis.

Journal: Journal of biochemical and molecular toxicology
Published: 2025
PubMed ID: 39967473
Study type:

combined biological and clinical study

Data availability: GSE138589; The data are available upon reasonable request.
Code availability: -