circRNA basic information
circBase ID: hsa_circ_0000033
Name: hsa_circ_CEP85
Synonym: circ_0000033
Host Gene: CEP85
Genomic location(hg19): chr1:26584087-26586293:+
Genomic location(hg38): chr1:26257596-26259802:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007254
MONDO name: breast cancer
Disease details: breast cancer / BC
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; adjacent normal tissues; xenograft tumors

Cell lines:

MDA-MB-231; BT549; MCF7; MCF10A; HUVECs

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: NUAK2, NUAK Family Kinase 2, PCNA, MMP-2, Bax
Associated microRNA: miR-378a-3p
Biological function: Promotes BC cell proliferation, migration, invasion, angiogenesis, tumor growth and migration, and inhibits apoptosis and cell cycle arrest.
Molecular mechanism: circ_0000033 functions as a ceRNA by sequestering miR-378a-3p, thereby releasing and up-regulating NUAK2 in BC cells.
Biological pathway or process:

ceRNA regulation (other); proliferation (promotes); migration (promotes); invasion (promotes); angiogenesis (promotes); apoptosis (inhibits); cell cycle (promotes); metastasis (promotes)

Detected method:
Q
Validation methods:

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

Clinical significance:

circ_0000033 may be a promising therapeutic target for BC treatment.

Description:

circ_0000033 is up-regulated in breast cancer tissues and cells. It promotes breast cancer proliferation, migration, invasion, angiogenesis, metastasis and xenograft tumor growth while inhibiting apoptosis and cell cycle arrest. Mechanistically, circ_0000033 sponges miR-378a-3p to release and up-regulate NUAK2, forming a circ_0000033/miR-378a-3p/NUAK2 ceRNA network and suggesting therapeutic potential in BC.

Confidence score:

0.8175

Other information
Title:

Circ_0000033 up-regulates NUAK2 by sequestering miR-378a-3p to promote breast tumorigenesis.

Journal: Environmental and molecular mutagenesis
Published: 2023
PubMed ID: 37357410
Study type:

combined biological and clinical study

Data availability: -
Code availability: -