circRNA basic information
circBase ID: hsa_circ_0093887
Name: hsa_circ_sirt1
Synonym: circ-sirt1
Host Gene: sirt1
Genomic location(hg19): -
Genomic location(hg38): -
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:

GC tissues; non-tumor tissues; serum; tumor tissues

Cell lines:

GES-1; 293T; AGS-1; BGC-823

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: sirt1
Associated microRNA: miR-132-3p, miR-212-3p
Biological function: circ-sirt1 inhibits gastric cancer cell proliferation, migration, invasion, and tumor growth in vivo.
Molecular mechanism: circ-sirt1 acts as a miRNA sponge for miR-132-3p and miR-212-3p, thereby upregulating sirt1 expression.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Transfection; Colony Formation Assay; Transwell Assay; In Vivo Animal Model; Western Blot

Clinical significance:

These findings may provide a theoretical basis for the classification of GC and a novel therapeutic target for GC patients.

Description:

circ-sirt1 is downregulated in gastric cancer tissues and serum. It functions as a tumor suppressor by inhibiting GC cell proliferation, migration, invasion, and xenograft tumor growth, probably through sponging miR-132-3p/miR-212-3p and upregulating sirt1 expression.

Confidence score:

0.5414

Other information
Title:

Circ-sirt1 inhibits growth and invasion of gastric cancer by sponging miR-132-3p/miR-212-3p and upregulating sirt1 expression.

Journal: Neoplasma
Published: 2021
PubMed ID: 34034499
Study type:

combined biological and clinical study

Data availability: https://genome.ucsc.edu/; Supplementary Figure S1; Supplementary Figures S2A-S2D
Code availability: -