circRNA basic information
circBase ID: -
Name: hsa_circ_FAT1
Synonym: circFAT1
Host Gene: FAT1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0009807
MONDO name: osteosarcoma
Disease details: osteosarcoma
Disease DO ID:
3347
Disease MeSH ID:
D012516
Disease NCIt ID:
C9145
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

osteosarcoma tissues; chondroma tissues; tumor tissues

Cell lines:

MG-63; u2os; SJSA-1; HOS; 143B; HEK-293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: YAP1, Ago2, c-Myc, Birc5
Associated microRNA: miR-375, miR-30a, miR-330
Biological function: promotes proliferation, migration, invasion, and tumorigenesis; inhibits apoptosis (anoikis)
Molecular mechanism: circFAT1 acts as a miRNA sponge for miR-375 to relieve repression of YAP1, increasing YAP1 and downstream targets (c-Myc, Birc5).
Biological pathway or process:

Hippo/YAP (promotes); ceRNA regulation (promotes); proliferation (promotes); migration (promotes); invasion (promotes); apoptosis (inhibits); metastasis (promotes)

Detected method:
Q
B
H
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; RT-qPCR; Northern Blot; FISH / smFISH; ISH (In Situ Hybridization); Nuclear-Cytoplasmic Fractionation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Transwell Assay; Wound Healing Assay; In Vivo Animal Model; IHC (Immunohistochemistry); IF (Immunofluorescence); Western Blot; Clinical Sample Validation; Bioinformatics Analysis

Clinical significance:

suggest a new therapeutic target for the treatment of osteosarcoma

Description:

circFAT1 is up-regulated in osteosarcoma tissues and cell lines and is mainly localized in the cytoplasm. It promotes osteosarcoma cell proliferation, migration, invasion and tumorigenesis by sponging miR-375, thereby increasing YAP1 expression (with effects on c-Myc and Birc5) and linking to Hippo/YAP signaling.

Confidence score:

0.8781

Other information
Title:

CircFAT1 sponges miR-375 to promote the expression of Yes-associated protein 1 in osteosarcoma cells.

Journal: Molecular cancer
Published: 2018
PubMed ID: 30514309
Study type:

combined biological and clinical study

Data availability: doRiNA (http://dorina.mdc-berlin.de); 10.1186/s12943-018-0917-7 (supplementary material)
Code availability: -