[Hexosaminidase and alkaline phosphatase in cartilage and chondrocyte cultures obtained from normal and arthritic rabbit joints]. / Hexosaminidase et phosphatase alcaline du cartilage et des chondrocytes en culture issus de lapins normaux et arthrosiques.
Pathol Biol (Paris)
; 39(8): 759-62, 1991 Oct.
Article
em Fr
| MEDLINE
| ID: mdl-1837075
ABSTRACT
Hexosaminidase and alkaline phosphatase activities were studied in a rabbit model of osteoarthritis. Enzyme activities were determined in cartilage slices and cultures of chondrocytes from normal and arthritic joints. Alkaline phosphatase activity was increased in cartilage slices from rabbits with osteoarthritis, as compared with normal cartilage, whereas no difference was seen for hexosaminidase activity. Alkaline phosphatase activity was not found in chondrocyte cultures. Hexosaminidase activity was significantly higher in chondrocytes from joints with arthritis, as compared with chondrocytes from normal joints, regardless of the mode of expression of results (enzyme activity normalized for cell protein content of for number of cells). Chondrocyte hexosaminidase activity can be proposed as an enzyme marker for osteoarthritis in chondrocyte culture models.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Osteoartrite
/
Beta-N-Acetil-Hexosaminidases
/
Cartilagem Articular
/
Fosfatase Alcalina
Limite:
Animals
Idioma:
Fr
Revista:
Pathol Biol (Paris)
Ano de publicação:
1991
Tipo de documento:
Article
País de afiliação:
França