circRNA basic information
circBase ID: hsa_circ_0000442
Name: -
Synonym: Circ_0000442
Host Gene: -
Genomic location(hg19): chr12:116668237-116675510:-
Genomic location(hg38): chr12:116230432-116237705:-
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007254
MONDO name: breast cancer
Disease details: breast cancer
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:

BC tissues; corresponding normal tissues; tumor tissues

Cell lines:

MCF-7; T-47D; MCF-10A

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: ZBTB1 / zinc finger and BTB domain containing 1
Associated microRNA: miR-1229-3p
Biological function: Circ_0000442 acts as a tumor repressor in breast cancer, repressing proliferation, migration, invasion, glycolysis and tumor growth while promoting apoptosis.
Molecular mechanism: Circ_0000442 functions through a ceRNA sponge mechanism by binding miR-1229-3p and thereby upregulating ZBTB1 expression.
Biological pathway or process:

ceRNA regulation (other); proliferation (inhibits); migration (inhibits); invasion (inhibits); apoptosis (promotes); glycolysis (inhibits)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Nuclear-Cytoplasmic Fractionation; Luciferase Reporter Assay; Bioinformatics Analysis; Transfection; EdU Staining; Colony Formation Assay; Transwell Assay; Annexin V/PI Flow Cytometry; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry)

Clinical significance:

-

Description:

Circ_0000442 is down-regulated in breast cancer tissues and cell lines and mainly localizes to the cytoplasm. It suppresses breast cancer progression by sponging miR-1229-3p, increasing ZBTB1 expression, inhibiting proliferation, migration, invasion and glycolysis, promoting apoptosis, and reducing xenograft tumor growth.

Confidence score:

0.7373

Other information
Title:

Circ_0000442 functions as a tumor repressor in breast cancer by impacting miR-1229-3p and upregulating ZBTB1.

Journal: Mammalian genome : official journal of the International Mammalian Genome Society
Published: 2022
PubMed ID: 35394175
Study type:

combined biological and clinical study

Data availability: available from the corresponding author on reasonable request
Code availability: -