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Bone & Joint Research
Dates
Year From

Year To
Bone & Joint Research
Vol. 12, Issue 1 | Pages 46 - 57
17 Jan 2023
Piñeiro-Ramil M Sanjurjo-Rodríguez C Rodríguez-Fernández S Hermida-Gómez T Blanco-García FJ Fuentes-Boquete I Vaamonde-García C Díaz-Prado S

Aims

After a few passages of in vitro culture, primary human articular chondrocytes undergo senescence and loss of their phenotype. Most of the available chondrocyte cell lines have been obtained from cartilage tissues different from diarthrodial joints, and their utility for osteoarthritis (OA) research is reduced. Thus, the goal of this research was the development of immortalized chondrocyte cell lines proceeded from the articular cartilage of patients with and without OA.

Methods

Using telomerase reverse transcriptase (hTERT) and SV40 large T antigen (SV40LT), we transduced primary OA articular chondrocytes. Proliferative capacity, degree of senescence, and chondrocyte surface antigen expression in transduced chondrocytes were evaluated. In addition, the capacity of transduced chondrocytes to synthesize a tissue similar to cartilage and to respond to interleukin (IL)-1β was assessed.