circRNA basic information
circBase ID: hsa_circ_0001777
Name: hsa_circ_ESYT2
Synonym: Circ_0001777
Host Gene: ESYT2
Genomic location(hg19): chr7:158580694-158591763:-
Genomic location(hg38): chr7:158788003-158799072:-
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005494
MONDO name: triple-negative breast carcinoma
Disease details: triple-negative breast cancer / TNBC
Disease DO ID:
0060081
Disease MeSH ID:
D064726
Disease NCIt ID:
C71732
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

breast tumors; adjacent noncancerous breast tissues; tumor tissues; noncancerous tissues

Cell lines:

MCF10A; MDA-MB-231; MDA-MB-468

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: AKAP12
Associated microRNA: miR-95-3p
Biological function: circ_0001777 suppresses TNBC cell proliferation, migration, invasion, EMT-related protein expression and tumor growth, and promotes apoptosis.
Molecular mechanism: circ_0001777 acts as a ceRNA sponge for miR-95-3p to positively regulate AKAP12 expression, thereby inhibiting TNBC progression.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RNase R Treatment; RT-qPCR; FISH / smFISH; Clinical Sample Validation; RNA Pull-Down; Luciferase Reporter Assay; Bioinformatics Analysis; Transfection; EdU Staining; Colony Formation Assay; Annexin V/PI Flow Cytometry; Wound Healing Assay; Transwell Assay; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry); Cohort Study; Survival Analysis

Clinical significance:

circ_0001777 was lower in advanced stage and metastatic TNBC, and higher circ_0001777 level was positively associated with overall survival rate.

Description:

circ_0001777 is down-regulated in TNBC tissues and cell lines and mainly localized in the cytoplasm. It functions as a tumor suppressor by sponging miR-95-3p to upregulate AKAP12, thereby inhibiting proliferation, migration, invasion, EMT-related changes and xenograft tumor growth while promoting apoptosis. Higher circ_0001777 expression is associated with better overall survival in TNBC patients.

Confidence score:

0.8428

Other information
Title:

Circ_0001777 Affects Triple-negative Breast Cancer Progression Through the miR-95-3p/AKAP12 Axis.

Journal: Clinical breast cancer
Published: 2023
PubMed ID: 36513585
Study type:

combined biological and clinical study

Data availability: -
Code availability: -