circRNA basic information
circBase ID: hsa_circ_0020732
Name: hsa_circ_TSPAN4
Synonym: -
Host Gene: TSPAN4
Genomic location(hg19): chr11:865917-867116:+
Genomic location(hg38): chr11:865917-867116:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005061
MONDO name: lung adenocarcinoma
Disease details: lung adenocarcinoma
Disease DO ID:
3910
Disease MeSH ID:
C538231
Disease NCIt ID:
C3512
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

LUAD tissues; paracancerous normal tissues

Cell lines:

HBE; A549; H1975; H1993; PC9; H1299

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: ZEB1
Associated microRNA: miR‐665
Biological function: Promotes LUAD cell migration, invasion, and metastasis.
Molecular mechanism: Acts as a ceRNA by sponging miR-665 to upregulate ZEB1 expression.
Biological pathway or process:

migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Clinical Sample Validation; Survival Analysis; ROC Analysis; Nuclear-Cytoplasmic Fractionation; Luciferase Reporter Assay; RNA Pull-Down; Transfection; Wound Healing Assay; Transwell Assay; Western Blot; In Vivo Animal Model; H&E Staining; Bioinformatics Analysis

Clinical significance:

High circ‐TSPAN4 expression is associated with metastatic clinical characteristics and shorter overall survival, and shows prognostic/diagnostic utility by ROC analysis.

Description:

circ-TSPAN4 (hsa_circ_0020732) is up-regulated in LUAD and promotes migration/invasion and in vivo lung metastasis. It mainly localizes to the cytoplasm and functions as a ceRNA by sponging miR-665 to increase ZEB1, linking high circ-TSPAN4 to metastatic features and poor survival.

Confidence score:

0.8066

Other information
Title:

Circular RNA circ-TSPAN4 promotes lung adenocarcinoma metastasis by upregulating ZEB1 via sponging miR-665.

Journal: Molecular genetics & genomic medicine
Published: 2019
PubMed ID: 31573758
Study type:

combined biological and clinical study

Data availability: GSE104854
Code availability: -