Osteoarthritis

Thyroid hormone induces ossification and terminal maturation in a preserved OA cartilage biomimetic model

Arthritis Res TherPublished Mechanistic study

Authors' conclusion

RNA-sequencing results show that metabolic activation and recuperation of growth plate morphology are induced by T3 in OA chondrocytes, indicating terminal maturation is accelerated.

Study context

Population
Explant cartilage from OA patientsRT-qPCR validation set n = 22
Participants
8 participants
Comparison
T3 vs no T3, ex vivo
Outcome
Differential gene expression with T3
Methodological detailsex vivo osteochondral explant model, RNA-sequencing, RT-qPCR validation in independent sample set
  • Ex vivo osteochondral explant model
  • RNA-sequencing
  • RT-qPCR validation in independent sample set

Main finding

As reported in the abstract

Differentially expressed genes, main pathways linked to extracellular matrix and ossification

247

OA risk genes significantly affected in cartilage by T3 (incl. COL12A1, TNC, SPARC, PAPPA)

37

Original publication

Thyroid hormone induces ossification and terminal maturation in a preserved OA cartilage biomimetic model. Arthritis Res Ther. Published 25 April 2024. doi:10.1186/s13075-024-03326-5

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