circRNA basic information
circBase ID: hsa_circ_0043280
Name: hsa_circ_TADA2A
Synonym: -
Host Gene: TADA2A
Genomic location(hg19): chr17:35797838-35804870:+
Genomic location(hg38): chr17:37437737-37444768:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0002974
MONDO name: cervical cancer
Disease details: cervical cancer
Disease DO ID:
4362
Disease MeSH ID:
-
Disease NCIt ID:
C9311
Disease ICD11 ID:
1256072522
Disease OMIM ID:
603956
Species: Human
Species details: Homo sapiens
Tissue specimen:

CCa tissues; normal cervical tissues

Cell lines:

SiHa; HeLa; ME180; C33A; Caski; HeLa229; MS751; H8; HEK-293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: PAQR3, AGO2
Associated microRNA: miR-203a-3p
Biological function: tumor suppressor that inhibits tumor growth and metastasis, suppresses proliferation, migration, invasion, and EMT in cervical cancer
Molecular mechanism: ceRNA sponging miR-203a-3p to restore PAQR3 expression, affecting AKT and ERK signaling and EMT markers
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); EMT (inhibits); PI3K/AKT (inhibits); ERK (inhibits); ceRNA regulation (promotes)

Detected method:
Q
H
M
Validation methods:

Microarray; Bioinformatics Analysis; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; Actinomycin D / DRB Stability Assay; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; ISH (In Situ Hybridization); RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; EdU Staining; Transwell Assay; Wound Healing Assay; Western Blot; IF (Immunofluorescence); In Vivo Animal Model; IHC (Immunohistochemistry); H&E Staining; Survival Analysis

Clinical significance:

Lower expression of hsa_circ_0043280 is correlated with poor prognosis (poor OS and DFS) and is an independent prognostic factor in CCa.

Description:

hsa_circ_0043280 (from TADA2A) is down-regulated in cervical cancer and acts as a tumor suppressor. It sponges miR-203a-3p to restore PAQR3 expression, thereby inhibiting proliferation, migration/invasion, EMT and metastasis, with downstream suppression of AKT and ERK signaling.

Confidence score:

0.8826

Other information
Title:

Circular RNA hsa_circ_0043280 inhibits cervical cancer tumor growth and metastasis via miR-203a-3p/PAQR3 axis.

Journal: Cell death & disease
Published: 2021
PubMed ID: 34588429
Study type:

combined biological and clinical study

Data availability: GSE102686; The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
Code availability: -