circRNA basic information
circBase ID: hsa_circ_0001721
Name: hsa_circ_CDK14
Synonym: circCDK14
Host Gene: CDK14
Genomic location(hg19): chr7:90355880-90356126:+
Genomic location(hg38): chr7:90726566-90726812:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0002081
MONDO name: musculoskeletal system disorder
Disease details: ossification of the ligamentum flavum / OLF
Disease DO ID:
17
Disease MeSH ID:
D009140
Disease NCIt ID:
C107377
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

OLF tissues; normal LF tissues

Cell lines:

LF cells; HEK293T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: AFF4, WTAP, IGF2BP3, AGO2
Associated microRNA: miR-93-5p
Biological function: promotes osteogenic differentiation (osteogenesis) of LF cells
Molecular mechanism: Acts as a miRNA sponge for miR-93-5p to upregulate AFF4; m6A modification increases circCDK14 stability via WTAP and IGF2BP3
Biological pathway or process:

ceRNA regulation (promotes); other pathway/process (promotes)

Detected method:
Q
M
Validation methods:

Microarray; Bioinformatics Analysis; RT-qPCR; Clinical Sample Validation; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; Actinomycin D / DRB Stability Assay; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; RNA Pull-Down; MeRIP / MeRIP-seq; Transfection; Western Blot; IHC (Immunohistochemistry)

Clinical significance:

promising therapeutic target for OLF

Description:

circCDK14 is up-regulated in OLF tissues and promotes osteogenic differentiation of ligamentum flavum cells. It functions as a ceRNA by sponging miR-93-5p to increase AFF4, and its abundance is enhanced by WTAP-mediated m6A modification recognized by IGF2BP3 to improve circCDK14 stability.

Confidence score:

0.869

Other information
Title:

N6-methyladenosine-modified circCDK14 promotes ossification of the ligamentum flavum via epigenetic modulation by targeting AFF4.

Journal: Cellular and molecular life sciences : CMLS
Published: 2024
PubMed ID: 39414635
Study type:

combined biological and clinical study

Data availability: GSE106255
Code availability: -