circRNA basic information
circBase ID: hsa_circ_0001546
Name: hsa_circ_FAM114A2
Synonym: circFAM114A2
Host Gene: FAM114A2
Genomic location(hg19): chr5:153413350-153414527:-
Genomic location(hg38): chr5:154033790-154034967:-
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; adjacent normal tissues; tumor tissues; xenograft tumor

Cell lines:

LOVO; HCT116; SW480; SW620; HCoEpiC

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: DAB2IP
Associated microRNA: miR-647
Biological function: Acts as a tumor suppressor in CRC; overexpression suppresses CRC cell proliferation, migration, and invasion, induces G0/G1 cell cycle arrest, and impedes xenograft tumor growth in vivo.
Molecular mechanism: circFAM114A2 functions as a ceRNA/miRNA sponge by binding miR-647, thereby upregulating DAB2IP expression and suppressing CRC progression.
Biological pathway or process:

ceRNA regulation (other); proliferation (inhibits); migration (inhibits); invasion (inhibits); metastasis (inhibits); cell cycle (inhibits); EMT (inhibits)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Transfection; EdU Staining; Cell Cycle Assay; Wound Healing Assay; Transwell Assay; Western Blot; Bioinformatics Analysis; Luciferase Reporter Assay; RNA Pull-Down; IHC (Immunohistochemistry); In Vivo Animal Model; Survival Analysis

Clinical significance:

Low circFAM114A2 expression was associated with poorer survival of CRC patients; circFAM114A2 may serve as a potential biomarker and therapeutic target for CRC.

Description:

circFAM114A2 is downregulated in colorectal cancer tissues and cell lines, and low expression is associated with poorer overall survival. Functionally, circFAM114A2 suppresses CRC cell proliferation, migration, invasion, and xenograft tumor growth. Mechanistically, it acts as a miR-647 sponge to increase DAB2IP expression, forming a circFAM114A2/miR-647/DAB2IP regulatory axis.

Confidence score:

0.7793

Other information
Title:

CircFAM114A2 Suppresses Cell Proliferation, Migration, and Invasion of Colorectal Cancer Through Sponging miR-647 to Upregulate DAB2IP Expression.

Journal: Biochemical genetics
Published: 2025
PubMed ID: 38970722
Study type:

combined biological and clinical study

Data availability: Supplementary material available at https://doi.org/10.1007/s10528-024-10870-x
Code availability: -