circRNA basic information
circBase ID: hsa_circ_0007534
Name: hsa_circ_DDX42
Synonym: circ_0007534
Host Gene: DDX42
Genomic location(hg19): chr17:61869771-61877977:+
Genomic location(hg38): chr17:63792411-63800617:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0011962
MONDO name: endometrial cancer
Disease details: Endometrial cancer / EC
Disease DO ID:
1380
Disease MeSH ID:
-
Disease NCIt ID:
C27815
Disease ICD11 ID:
-
Disease OMIM ID:
608089
Species: Human
Species details: Homo sapiens
Tissue specimen:

endometrial cancer tissues; adjacent normal samples

Cell lines:

Ishikawa; RL95; HEC-1; HESC; HEK293

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: ZEB2, DDX42
Associated microRNA: miR-625
Biological function: Promotes endometrial cancer cell proliferation, invasion, EMT, tumorigenicity, and paclitaxel resistance; inhibits paclitaxel-induced apoptosis.
Molecular mechanism: Acts as a miRNA sponge for miR-625 to increase the expression of the miR-625 target gene ZEB2, thereby promoting EMT and paclitaxel resistance.
Biological pathway or process:

EMT (promotes); proliferation (promotes); invasion (promotes); apoptosis (inhibits); drug resistance (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; Survival Analysis; Bioinformatics Analysis; Luciferase Reporter Assay; Transfection; CCK8; Transwell Assay; Western Blot; In Vivo Animal Model

Clinical significance:

High circ_0007534 expression was associated with poor differentiation, advanced tumor stage, invasion, metastasis, and poor prognosis in endometrial cancer patients.

Description:

circ_0007534 is up-regulated in endometrial cancer and mainly localized in the cytoplasm. It promotes proliferation, invasion, EMT, and paclitaxel resistance by sponging miR-625 and thereby increasing ZEB2 expression, and its high expression is associated with poor prognosis.

Confidence score:

0.7846

Other information
Title:

Oncogenic circular RNA circ_0007534 contributes to paclitaxel resistance in endometrial cancer by sponging miR-625 and promoting ZEB2 expression.

Journal: Frontiers in oncology
Published: 2022
PubMed ID: 35992812
Study type:

combined biological and clinical study

Data availability: -
Code availability: -