circRNA basic information
circBase ID: -
Name: -
Synonym: Circ-03955
Host Gene: -
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 tissue / osteosarcoma bone tissue; adjacent non-osteosarcoma tissues / paired normal bone tissue specimens

Cell lines:

OB3; Saos-2; MG-63; U2OS

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: MTDH, Ago2
Associated microRNA: miR-3662
Biological function: Promotes osteosarcoma cell proliferation, migration, invasion, metastasis and EMT; inhibits apoptosis.
Molecular mechanism: circ-03955 acts as a ceRNA sponge for miR-3662, thereby indirectly upregulating MTDH and facilitating EMT.
Biological pathway or process:

EMT (promotes); proliferation (promotes); migration (promotes); invasion (promotes); apoptosis (inhibits); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Bioinformatics Analysis; RT-qPCR; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; Transfection; MTT; Annexin V/PI Flow Cytometry; Transwell Assay; In Vivo Animal Model; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Western Blot; IF (Immunofluorescence); IHC (Immunohistochemistry); Clinical Sample Validation; Microarray

Clinical significance:

-

Description:

circ-03955 is up-regulated in osteosarcoma tissues/cells and mainly localizes to the cytoplasm. It promotes osteosarcoma progression and EMT by sponging miR-3662 and indirectly increasing MTDH expression, thereby enhancing proliferation/migration/invasion and suppressing apoptosis.

Confidence score:

0.8254

Other information
Title:

Circular RNA Circ-03955 Promotes Epithelial-Mesenchymal Transition in Osteosarcoma by Regulating miR-3662/Metadherin Pathway.

Journal: Frontiers in oncology
Published: 2020
PubMed ID: 33312941
Study type:

combined biological and clinical study

Data availability: GSE99671
Code availability: -