circRNA basic information
circBase ID: hsa_circ_0008821
Name: hsa_circ_RAB31
Synonym: circRAB31
Host Gene: RAB31
Genomic location(hg19): chr18:9775274-9815219:+
Genomic location(hg38): chr18:9775277-9815222:+
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0001056
MONDO name: gastric cancer
Disease details: gastric cancer
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:

GC tissues; adjacent normal tissues; xenograft tumors; spleen; liver

Cell lines:

MGC803; MKN45; AGS; BGC823; GES-1; HEK293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: PTEN
Associated microRNA: miR-885-5p
Biological function: Suppresses gastric cancer cell proliferation, migration, invasion, tumor growth and metastasis.
Molecular mechanism: Acts as a miRNA sponge for miR-885-5p to upregulate PTEN and suppress PI3K/AKT signaling.
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); metastasis (inhibits); PI3K/AKT (inhibits); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; EdU Staining; Colony Formation Assay; Transwell Assay; Wound Healing Assay; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; Clinical Sample Validation; Survival Analysis; Bioinformatics Analysis

Clinical significance:

Patients in the circRAB31 high group have a better survival outcome than those in the circRAB31 low group.

Description:

circRAB31 is downregulated in gastric cancer and functions as a tumor suppressor. It sponges miR-885-5p to relieve repression of PTEN, thereby inhibiting PI3K/AKT signaling and reducing proliferation, migration, invasion, tumor growth and metastasis.

Confidence score:

0.8792

Other information
Title:

Circular RNA circRAB31 acts as a miR-885-5psponge to suppress gastric cancer progressionvia the PTEN/PI3K/AKT pathway.

Journal: Molecular therapy oncolytics
Published: 2021
PubMed ID: 34901392
Study type:

combined biological and clinical study

Data availability: https://doi.org/10.1016/j.omto.2021.11.002
Code availability: -