circRNA basic information
circBase ID: hsa_circ_0049185
Name: hsa_circ_DNMT1
Synonym: circ-DNMT1
Host Gene: DNMT1
Genomic location(hg19): chr19:10244021-10249281:-
Genomic location(hg38): chr19:10133345-10138605:-
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:

paired tumor and paracancer tissues; tumor samples

Cell lines:

MCF-7; MDA-MB-231; MCF-10A

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: ZEB1, Ago2
Associated microRNA: miR-485-3p
Biological function: Circ-DNMT1 promotes breast cancer cell colony formation, migration, invasion and xenograft tumor growth, and inhibits apoptosis; circ-DNMT1 knockdown restrains these malignant phenotypes.
Molecular mechanism: Circ-DNMT1 acts through a ceRNA-like circ-DNMT1/miR-485-3p/ZEB1 axis: it negatively regulates miR-485-3p and thereby increases ZEB1 expression.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RNase R Treatment; RT-qPCR; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; Transfection; Colony Formation Assay; Transwell Assay; Annexin V/PI Flow Cytometry; Western Blot; In Vivo Animal Model; Bioinformatics Analysis

Clinical significance:

Circ-DNMT1 may act as a promising target for breast cancer development and treatment.

Description:

Circ-DNMT1 is up-regulated in breast cancer tissues and cell lines. Functionally, circ-DNMT1 knockdown suppresses colony formation, migration, invasion and xenograft tumor growth while promoting apoptosis. Mechanistically, circ-DNMT1 regulates breast cancer development through the miR-485-3p/ZEB1 axis.

Confidence score:

0.7977

Other information
Title:

CircRNA DNA methyltransferase 1 silence inhibits breast cancer development by regulating micoRNA-485-3p/zinc finger E-box binding homeobox 1 axis.

Journal: The journal of obstetrics and gynaecology research
Published: 2021
PubMed ID: 33403756
Study type:

combined biological and clinical study

Data availability: Appendix S1; Figure S1
Code availability: -