circRNA basic information
circBase ID: hsa_circ_0004370
Name: hsa_circ_PRRX1
Synonym: Circular RNA paired-related homeobox 1
Host Gene: PRRX1
Genomic location(hg19): chr1:170688866-170695542:+
Genomic location(hg38): chr1:170719725-170726401:+
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0004950
MONDO name: gastric carcinoma
Disease details: gastric carcinoma
Disease DO ID:
10538, 5517
Disease MeSH ID:
-
Disease NCIt ID:
C4911
Disease ICD11 ID:
1503707183
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

GC tissues; normal tissues; GC tumor tissues; corresponding non-tumor tissues; adjacent normal tissues

Cell lines:

SNU5; AGS; HGC-27; GES-1

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: YWHAZ, c-myc, Bcl-2, Bax, MMP9
Associated microRNA: miR-665
Biological function: circ-PRRX1 promotes GC cell viability/proliferation, migration, invasion, metastasis-related features, and tumor growth, and suppresses apoptosis; circ-PRRX1 knockdown inhibits these malignant phenotypes and promotes apoptosis.
Molecular mechanism: circ-PRRX1 functions as a miR-665 sponge to regulate YWHAZ expression in a circ-PRRX1/miR-665/YWHAZ ceRNA axis.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); apoptosis (inhibits); ceRNA regulation (promotes); other pathway/process (promotes)

Detected method:
Q
M
Validation methods:

RT-qPCR; Microarray; Clinical Sample Validation; Luciferase Reporter Assay; Bioinformatics Analysis; Transfection; MTT; Annexin V/PI Flow Cytometry; Transwell Assay; Western Blot; In Vivo Animal Model

Clinical significance:

circ-PRRX1 is upregulated in GC tissues and may provide a theoretical basis for GC therapy.

Description:

In gastric carcinoma, circ-PRRX1/hsa_circ_0004370 is upregulated in tumor tissues and GC cell lines. It promotes malignant progression by enhancing proliferation, migration, invasion, and in vivo tumor growth while inhibiting apoptosis. Mechanistically, circ-PRRX1 acts as a miR-665 sponge to regulate YWHAZ expression through a circ-PRRX1/miR-665/YWHAZ axis.

Confidence score:

0.6829

Other information
Title:

Circular RNA Paired-Related Homeobox 1 Promotes Gastric Carcinoma Cell Progression via Regulating MicroRNA-665/YWHAZ Axis.

Journal: Digestive diseases and sciences
Published: 2021
PubMed ID: 33201331
Study type:

combined biological and clinical study

Data availability: TCGA database; Electronic Supplementary Material
Code availability: -