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Gene delivery to human chondrocytes by an adeno associated virus vector. 2000

Y Arai, and T Kubo, and S Fushiki, and O Mazda, and H Nakai, and Y Iwaki, and J Imanishi, and Y Hirasawa
Department of Orthopaedic Surgery, Research Institute for Neurological Diseases and Geriatrics, Kyoto Prefectural University of Medicine, Japan.

OBJECTIVE To investigate the efficiency of gene transduction to human chondrocytes using an adeno associated virus (AAV) vector. METHODS We transduced green fluorescent protein (GFP) gene using AAV vector to primary human chondrocytes as well as human cartilage organ cultures, in which chondrocytes are surrounded by extracellular matrix. Expression of GFP gene was analyzed at various time points after transduction by fluorescence microscopy and immunohistochemistry. RESULTS In primary chondrocytes, the percentages of GFP positive cells were 15.9% or 16.0% on Day 1 and 95.0% or 93.7% on Day 7 after gene transduction. In cartilage organ cultures, gene delivery was observed in cells located not only in the superficial layer but also in the deep layer within the cartilage tissue. Up to 45.3+/-7.4% or 46.0+/-3.9% of chondrocytes expressed GFP for at least 28 days. CONCLUSIONS AAV vector could be useful for direct gene delivery to chondrocytes in situ.

UI MeSH Term Description Entries
D007202 Indicators and Reagents Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant & Hackh's Chemical Dictionary, 5th ed, p301, p499) Indicator,Reagent,Reagents,Indicators,Reagents and Indicators
D008164 Luminescent Proteins Proteins which are involved in the phenomenon of light emission in living systems. Included are the "enzymatic" and "non-enzymatic" types of system with or without the presence of oxygen or co-factors. Bioluminescent Protein,Bioluminescent Proteins,Luminescent Protein,Photoprotein,Photoproteins,Protein, Bioluminescent,Protein, Luminescent,Proteins, Bioluminescent,Proteins, Luminescent
D008297 Male Males
D009924 Organ Culture Techniques A technique for maintenance or growth of animal organs in vitro. It refers to three-dimensional cultures of undisaggregated tissue retaining some or all of the histological features of the tissue in vivo. (Freshney, Culture of Animal Cells, 3d ed, p1) Organ Culture,Culture Technique, Organ,Culture Techniques, Organ,Organ Culture Technique,Organ Cultures
D010003 Osteoarthritis A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage. In the foreign literature it is often called osteoarthrosis deformans. Arthritis, Degenerative,Osteoarthrosis,Osteoarthrosis Deformans,Arthroses,Arthrosis,Arthritides, Degenerative,Degenerative Arthritides,Degenerative Arthritis,Osteoarthritides,Osteoarthroses
D002356 Cartilage A non-vascular form of connective tissue composed of CHONDROCYTES embedded in a matrix that includes CHONDROITIN SULFATE and various types of FIBRILLAR COLLAGEN. There are three major types: HYALINE CARTILAGE; FIBROCARTILAGE; and ELASTIC CARTILAGE. Cartilages
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000256 Adenoviridae A family of non-enveloped viruses infecting mammals (MASTADENOVIRUS) and birds (AVIADENOVIRUS) or both (ATADENOVIRUS). Infections may be asymptomatic or result in a variety of diseases. Adenoviruses,Ichtadenovirus,Adenovirus,Ichtadenoviruses

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