circRNA basic information
circBase ID: hsa_circ_0087960
Name: hsa_circ_LPAR1
Synonym: circ lysophosphatidic acid receptor 1
Host Gene: LPAR1
Genomic location(hg19): chr9:113734352-113735838:-
Genomic location(hg38): chr9:110972072-110973558:-
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0004986
MONDO name: urinary bladder carcinoma
Disease details: bladder cancer
Disease DO ID:
4007
Disease MeSH ID:
-
Disease NCIt ID:
C4912
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

bladder cancer tissues; paired adjacent non-tumorous tissues; MIBC tissues; para-carcinoma tissue

Cell lines:

5637; T24; 293

In vivo animal model:

-

circRNA-disease information
Expression pattern:
DN
Associated gene: -
Associated microRNA: miR-762, miR-920, hsa-miR-1183, hsa-miR-323b-5p
Biological function: circLPAR1 is down-regulated in MIBC and functions as a potential prognostic biomarker; knockdown of circLPAR1 enhances bladder cancer cell invasion and wound-healing ability, suggesting that circLPAR1 suppresses invasion and metastasis.
Molecular mechanism: circLPAR1 binds to miR-762 and inhibits its activity as a miRNA sponge; loss of circLPAR1 enhances invasion, and miR-762 inhibitor attenuates the si-circLPAR1-induced increase in invasion.
Biological pathway or process:

invasion (inhibits); migration (inhibits); metastasis (inhibits); ceRNA regulation (other)

Detected method:
Q
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; RT-qPCR; Clinical Sample Validation; Bioinformatics Analysis; Transfection; Transwell Assay; Wound Healing Assay; Luciferase Reporter Assay; Cohort Study; Survival Analysis

Clinical significance:

Low circLPAR1 expression predicted poor disease-specific survival in MIBC patients; circLPAR1 may be a potential novel and stable prognostic biomarker.

Description:

circLPAR1/hsa_circ_0087960 is a human LPAR1-derived circRNA down-regulated in MIBC tissues. Higher circLPAR1 expression is associated with better disease-specific survival, while knockdown enhances bladder cancer cell invasion and migration. Mechanistically, circLPAR1 binds miR-762 and inhibits its activity, suggesting a tumor-suppressive miRNA-sponge role in invasion and metastasis.

Confidence score:

0.8267

Other information
Title:

circLPAR1 is a novel biomarker of prognosis for muscle-invasive bladder cancer with invasion and metastasis by miR-762.

Journal: Oncology letters
Published: 2019
PubMed ID: 30867795
Study type:

combined biological and clinical study

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