circRNA basic information
circBase ID: hsa_circ_0081001
Name: hsa_circ_CYP51A1
Synonym: circCYP51A1 / circ_0081001
Host Gene: -
Genomic location(hg19): chr7:91755566-91756945:-
Genomic location(hg38): chr7:92126252-92127631:-
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0009807
MONDO name: osteosarcoma
Disease details: osteosarcoma / OS
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:

OS tissues; neighboring normal samples; tumor tissues

Cell lines:

U2OS; MG63; hFOB1.19; MNNG/HOS

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: KLF12
Associated microRNA: miR-490-3p
Biological function: Promotes osteosarcoma cell proliferation, migration, invasion and glycolysis under hypoxia; its knockdown inhibits tumor growth and lung metastasis in vivo.
Molecular mechanism: Acts as a ceRNA sponge for miR-490-3p, thereby increasing KLF12 expression and promoting hypoxia-associated progression and glycolysis.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); glycolysis (promotes); metastasis (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; Luciferase Reporter Assay; Transfection; Colony Formation Assay; Transwell Assay; Wound Healing Assay; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; Bioinformatics Analysis; Clinical Sample Validation

Clinical significance:

-

Description:

circCYP51A1 is up-regulated in osteosarcoma tissues and in osteosarcoma cells exposed to hypoxia. It promotes hypoxia-associated proliferation, migration, invasion and glycolysis by sponging miR-490-3p to upregulate KLF12, and its knockdown suppresses xenograft tumor growth (and reduces lung metastatic nodes).

Confidence score:

0.7855

Other information
Title:

Silencing of circCYP51A1 represses cell progression and glycolysis by regulating miR-490-3p/KLF12 axis in osteosarcoma under hypoxia.

Journal: Journal of bone oncology
Published: 2022
PubMed ID: 36276300
Study type:

combined biological and clinical study

Data availability: Supplementary data to this article can be found online at https://doi.org/10.1016/j.jbo.2022.100455.
Code availability: -