circRNA basic information
circBase ID: hsa_circ_0000735
Name: hsa_circ_P2RX1
Synonym: -
Host Gene: P2RX1
Genomic location(hg19): chr17:3802927-3808661:-
Genomic location(hg38): chr17:3899633-3905367:-
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008315
MONDO name: prostate cancer
Disease details: prostate cancer
Disease DO ID:
10283
Disease MeSH ID:
D011471
Disease NCIt ID:
C7378
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

PCa tissues; adjacent normal tissues; tumor tissues

Cell lines:

PC-3; DU145; RWPE-1; PC-3/DTX; DU145/DTX

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: Ago2
Associated microRNA: miR-7
Biological function: promotes docetaxel resistance; inhibits apoptosis; promotes proliferation/viability and colony formation; promotes cell cycle progression; promotes tumor growth
Molecular mechanism: ceRNA (miRNA sponge) mechanism via binding miR-7
Biological pathway or process:

drug resistance (inhibits); apoptosis (inhibits); proliferation (promotes); cell cycle (promotes); ceRNA regulation (other)

Detected method:
Q
Validation methods:

RT-qPCR; Sanger Sequencing; Back-Splice Junction PCR / divergent primers PCR; Nuclear-Cytoplasmic Fractionation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; Colony Formation Assay; Cell Cycle Assay; Annexin V/PI Flow Cytometry; Western Blot; Clinical Sample Validation; In Vivo Animal Model; Survival Analysis; Bioinformatics Analysis

Clinical significance:

High hsa_circ_0000735 expression had a shorter overall survival; promising prognostic biomarker for PCa

Description:

hsa_circ_0000735 is up-regulated in docetaxel-resistant prostate cancer tissues/cells and promotes docetaxel resistance. It mainly functions as a cytoplasmic miR-7 sponge, thereby enhancing malignant behaviors and reducing apoptosis; knockdown increases docetaxel sensitivity and suppresses tumor growth in vivo. High expression is associated with shorter overall survival.

Confidence score:

0.8571

Other information
Title:

Downregulation of circular RNA hsa_circ_0000735 boosts prostate cancer sensitivity to docetaxel via sponging miR-7.

Journal: Cancer cell international
Published: 2020
PubMed ID: 32714093
Study type:

combined biological and clinical study

Data availability: All data generated or analysed during this study are included in this published article.
Code availability: -