circRNA basic information
circBase ID: hsa_circ_0050102
Name: hsa_circ_PGPEP1
Synonym: circ-0050102
Host Gene: PGPEP1
Genomic location(hg19): chr19:18459757-18466821:+
Genomic location(hg38): chr19:18348947-18356011:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0009831
MONDO name: malignant pancreatic neoplasm
Disease details: pancreatic cancer
Disease DO ID:
1793
Disease MeSH ID:
-
Disease NCIt ID:
C9005
Disease ICD11 ID:
542147910
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

pancreatic cancer tissue samples; para-cancerous tissues; adjacent normal tissues; tumor tissues

Cell lines:

BxPC-3; PANC-1; CFPAC-1; HEK-293T; MiaPaCa-2; SW1990; HPDE

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: NPSR1, PGPEP1
Associated microRNA: miR-1182
Biological function: Promotes pancreatic cancer cell proliferation, colony formation, migration, invasion and tumorigenesis; inhibits apoptosis and G0/G1 cell-cycle arrest.
Molecular mechanism: circ-0050102 acts as a competing endogenous RNA by sponging miR-1182, reducing miR-1182 expression and relieving miR-1182-mediated suppression of NPSR1.
Biological pathway or process:

ceRNA regulation (promotes); proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); apoptosis (inhibits); cell cycle (promotes)

Detected method:
Q
M
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; RT-qPCR; Microarray; FISH / smFISH; Clinical Sample Validation; Luciferase Reporter Assay; Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Cell Cycle Assay; Transwell Assay; In Vivo Animal Model; Western Blot; Bioinformatics Analysis

Clinical significance:

circ-0050102 expression was potentially correlated with the malignancy or severity of pancreatic cancer and may be a promising therapeutic target.

Description:

hsa_circ_0050102/circ-0050102 is up-regulated in pancreatic cancer tissues and PDAC cell lines. It promotes pancreatic cancer proliferation, migration, invasion and xenograft tumor growth while suppressing apoptosis and cell-cycle arrest. Mechanistically, it functions as a ceRNA by sponging miR-1182 to increase NPSR1 expression, suggesting the circ-0050102/miR-1182/NPSR1 axis as a potential therapeutic strategy.

Confidence score:

0.8071

Other information
Title:

The promoting effects of hsa_circ_0050102 in pancreatic cancer and the molecular mechanism by targeting miR-1182/NPSR1.

Journal: Carcinogenesis
Published: 2021
PubMed ID: 33289016
Study type:

combined biological and clinical study

Data availability: GSE79634; Raw data used during the current study are available from the corresponding authors upon reasonable request; Supplementary data are available at Carcinogenesis online
Code availability: -