circRNA basic information
circBase ID: hsa_circ_0006089
Name: hsa_circ_ASAP2
Synonym: circ_ASAP2 / circ_0006089
Host Gene: ASAP2
Genomic location(hg19): chr2:9490936-9499018:+
Genomic location(hg38): chr2:9350807-9358889:+
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0001056
MONDO name: gastric cancer
Disease details: gastric cancer / GC
Disease DO ID:
10534
Disease MeSH ID:
-
Disease NCIt ID:
C9331
Disease ICD11 ID:
1397617262
Disease OMIM ID:
613659
Species: Human
Species details: Homo sapiens
Tissue specimen:

tumor specimens; DDP-resistant gastric cancer tissues; DDP-sensitive gastric cancer tissues

Cell lines:

AGS; HGC27; AGS/DDP; HGC27/DDP; 293FT

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: NT5E
Associated microRNA: miR-330-3p
Biological function: circ_ASAP2 promotes cisplatin resistance, proliferation, cell cycle progression, colony formation, migration, invasion and tumor growth, and inhibits apoptosis in DDP-resistant gastric cancer cells.
Molecular mechanism: circ_ASAP2 directly binds miR-330-3p and promotes NT5E expression through a ceRNA-like miR-330-3p/NT5E axis, thereby regulating cisplatin sensitivity and malignant behaviors.
Biological pathway or process:

chemoresistance (promotes); drug resistance (promotes); proliferation (promotes); cell cycle (promotes); migration (promotes); invasion (promotes); apoptosis (inhibits); ceRNA regulation (promotes); other pathway/process (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Transfection; MTT; Colony Formation Assay; Cell Cycle Assay; Annexin V/PI Flow Cytometry; Transwell Assay; Luciferase Reporter Assay; Western Blot; Clinical Sample Validation; In Vivo Animal Model; Bioinformatics Analysis

Clinical significance:

circ_ASAP2 was overexpressed in DDP-resistant gastric cancer tissues and may represent a therapeutic target for DDP-resistant gastric cancer.

Description:

circ_ASAP2 is up-regulated in cisplatin-resistant gastric cancer tissues and cells. It promotes DDP resistance and malignant behaviors by binding miR-330-3p and increasing NT5E expression, while circ_ASAP2 knockdown enhances drug sensitivity, induces apoptosis, suppresses proliferation, migration and invasion, and reduces xenograft tumor growth.

Confidence score:

0.7183

Other information
Title:

Circular RNA circ_ASAP2 regulates drug sensitivity and functional behaviors of cisplatin-resistant gastric cancer cells by the miR-330-3p/NT5E axis.

Journal: Anti-cancer drugs
Published: 2021
PubMed ID: 34016832
Study type:

combined biological and clinical study

Data availability: GSE83521; GSE112369; Supplementary Table 1; Supplemental digital content 1, http://links.lww.com/ACD/A386
Code availability: -