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Production of carti...
Production of cartilage-typic proteoglycans in cultures of chondrocytes from elastic cartilage
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- Madsen, Kjell (författare)
- Karolinska Institutet
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- Lohmander, Stefan (författare)
- Karolinska Institutet,Lund University,Lunds universitet,Ortopedi, Lund,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Lund OsteoArthritis Division - Nedbrytning av ledbrosk: en biologisk process som leder till artros,Forskargrupper vid Lunds universitet,Orthopaedics (Lund),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund OsteoArthritis Division - Molecular marker research group,Lund University Research Groups
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(creator_code:org_t)
- Elsevier BV, 1979
- 1979
- Engelska 7 s.
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Ingår i: Archives of Biochemistry and Biophysics. - : Elsevier BV. - 0003-9861. ; 196:1, s. 192-198
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- Chondrocytes from rabbit ear cartilage were isolated and cultured as monolayers in Ham's F-12 medium. The proteoglycans synthesized by short-term cultures formed a high proportion of aggregates and contained chrondroitin-4- and -6-sulfate in a 2:1 proportion. Dermatan sulfate was not present. The average molecular weight of the chondroitin sulfate was about 20,000. Keratan sulfate with an average molecular weight of about 6000 could be isolated from the proteoglycan monomers. Rabbit ear chondrocytes in culture thus produced proteoglycans comparable to those isolated from hyaline cartilage. Culture for longer periods and plating at lower density caused a decrease in the proportion of aggregated proteoglycans. Primary cultures continued to synthesize aggregated proteoglycans for at least 2 weeks, while subdivision of the cultures caused a shift toward the production of small-sized "ubiquitous proteoglycans." The synthesis of proteoglycan aggregates could, however, be partly restored by transfer of the monolayer cells to a suspension culture.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Ortopedi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Orthopaedics (hsv//eng)
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- ref (ämneskategori)
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