circRNA basic information
circBase ID: hsa_circ_0074763
Name: hsa_circ_CYFIP2
Synonym: circ_0074763 / hsa_circRNA_0074763
Host Gene: CYFIP2
Genomic location(hg19): chr5:156721791-156731374:+
Genomic location(hg38): chr5:157294782-157304366:+
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005155
MONDO name: cirrhosis of liver
Disease details: liver fibrosis
Disease DO ID:
5082
Disease MeSH ID:
D008103
Disease NCIt ID:
C2951
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

human fibrotic liver tissues

Cell lines:

LX-2; HEK293T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: ACSL4, AGO2
Associated microRNA: miR-3667-3p
Biological function: Promotes HSC activation and proliferation, elevates inflammation, and inhibits apoptosis in liver fibrosis model cells.
Molecular mechanism: Acts as a miRNA sponge for miR-3667-3p to relieve repression of ACSL4, implicating ferroptosis-related changes.
Biological pathway or process:

proliferation (promotes); inflammation (promotes); apoptosis (inhibits); ferroptosis (other); ceRNA regulation (promotes)

Detected method:
Q
S
Validation methods:

RNA-seq; Bioinformatics Analysis; Sanger Sequencing; Actinomycin D / DRB Stability Assay; RNase R Treatment; FISH / smFISH; RT-qPCR; Luciferase Reporter Assay; Transfection; CCK8; ELISA; Western Blot; Annexin V/PI Flow Cytometry

Clinical significance:

Potential therapeutic target for liver fibrosis.

Description:

hsa_circ_0074763 is up-regulated in liver fibrosis models and promotes HSC activation by acting as a ceRNA that sponges miR-3667-3p, thereby relieving repression of ACSL4. Functionally, it increases LX-2 proliferation and inflammatory markers and reduces apoptosis, linking the axis to ferroptosis-associated readouts.

Confidence score:

0.7548

Other information
Title:

Study on the mechanism of hsa_circ_0074763 regulating the miR-3667-3P/ACSL4 axis in liver fibrosis.

Journal: Scientific reports
Published: 2025
PubMed ID: 40148434
Study type:

combined biological and clinical study

Data availability: GSE197112; 10.1038/s41598-025-91393-2
Code availability: -