Syracuse

Changes of chondrocyte metabolism in vitro: an approach by proteomic analysis.

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Freyria, Am | Becchi, M.

Edité par CCSD -

International audience. Changes in chondrocyte metabolism in vitro using different support systems and under different culture conditions were studied with a proteomic approach. Qualitative and quantitative modifications in the synthesis of chondrocyte proteins were investigated using two-dimensional (2D) gel electrophoresis. This technique provided a simple way to visualize the most abundant chondrocyte proteins. Proteins were identified after in-gel proteolysis with trypsin and matrix-assisted laser desorption ionization-time of flight mass spectrometry, using peptide mass fingerprinting. Tryptic peptide masses were measured and matched against a computer-generated list from the simulated trypsin proteolysis of a protein database (SwissProt).Changes in chondrocyte metabolism in vitro using different support systems and under different culture conditions were studied with a proteomic approach. Qualitative and quantitative modifications in the synthesis of chondrocyte proteins were investigated using two-dimensional (2D) gel electrophoresis. This technique provided a simple way to visualize the most abundant chondrocyte proteins. Proteins were identified after in-gel proteolysis with trypsin and matrix-assisted laser desorption ionization-time of flight mass spectrometry, using peptide mass fingerprinting. Tryptic peptide masses were measured and matched against a computer-generated list from the simulated trypsin proteolysis of a protein database (SwissProt).

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