circRNA basic information
circBase ID: -
Name: hsa_circ_PTK2
Synonym: circPTK2-OA
Host Gene: PTK2
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005178
MONDO name: osteoarthritis
Disease details: osteoarthritis / OA
Disease DO ID:
8398
Disease MeSH ID:
D010003
Disease NCIt ID:
C3293
Disease ICD11 ID:
558562409
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

cartilage

Cell lines:

-

In vivo animal model:

-

circRNA-disease information
Expression pattern:
DS
Associated gene: -
Associated microRNA: -
Biological function: Associated with immune processes including leukocyte migration/chemotaxis and antigen processing and presentation via MHC class II; potentially promotes T-cell activation-related programs in OA cartilage.
Molecular mechanism: Coexpression and GSEA associations with immune-response gene sets related to antigen presentation via MHC class II and T-cell activation.
Biological pathway or process:

immune regulation (other); other pathway/process (other)

Detected method:
S
Validation methods:

RNA-seq; Bioinformatics Analysis

Clinical significance:

-

Description:

circPTK2-OA is a novel intronic circRNA differentially expressed in OA cartilage and is strongly associated (by coexpression/GSEA) with immune processes, particularly leukocyte chemotaxis and MHC class II antigen processing/presentation, suggesting a role in shaping adaptive immune activation in OA.

Confidence score:

0.1768

Other information
Title:

Circular RNAs coordinate immunomodulation in osteoarthritic cartilage via antigen presentation and adaptive immune response.

Journal: BMC musculoskeletal disorders
Published: 2026
PubMed ID: 41689003
Study type:

combined biological and clinical study

Data availability: GSA-Human: HRA011333
Code availability: -