Faculty of Medicine, Maribor (MFMB)
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The endplate role in degenerative disc disease research: the isolation of human chondrocytes from vertebral endplate-an optimised protocol [Elektronski vir]Gradišnik, Lidija, 1972- ...Background: Degenerative disc disease is a progressive and chronic disorder with many open questions regarding its pathomorphological mechanisms. In related studies, in vitro organ culture systems ... are becoming increasingly essential as a replacement option for laboratory animals. Live disc cells are highly appealing to study the possible mechanisms of intervertebral disc (IVD) degeneration. To study the degenerative processes of the endplate chondrocytes in vitro, we established a relatively quick and easy protocol for isolating human chondrocytes from the vertebral endplates. Methods: The fragments of human lumbar endplates following lumbar fusion were collected, cut, ground and partially digested with collagenase I in Advanced DMEM/F12 with 5% foetal bovine serum. The sediment was harvested, and cells were seeded in suspension, supplemented with special media containing high nutrient levels. Morphology was determined with phalloidin staining and the characterisation for collagen I, collagen II and aggrecan with immunostaining. Results: The isolated cells retained viability in appropriate laboratory conditions and proliferated quickly. The confluent culture was obtained after 14 days. Six to 8 h after seeding, attachments were observed, and proliferation of the isolated cells followed after 12 h. The cartilaginous endplate chondrocytes were stable with a viability of up to 95%. Pheno- and geno-typic analysis showed chondrocyte-specific expression, which decreased with passages. Conclusions: The reported cell isolation process is simple, economical and quick, allowing establishment of a viable long-term cell culture. The availability of a vertebral endplate cell model will permit the study of cell properties, biochemical aspects, the potential of therapeutic candidates for the treatment of disc degeneration, and toxicology studies in a well-controlled environment.Source: Bioengineering [Elektronski vir]. - ISSN 2306-5354 (Vol. 9, iss. 4, 2022, 13 str.)Type of material - e-articlePublish date - 2022Language - englishCOBISS.SI-ID - 107015171
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Gradišnik, Lidija, 1972- | 20420 |
Maver, Uroš, 1983- | 30850 |
Gole, Boris, 1976- | 26010 |
Bunc, Gorazd | 07546 |
Voršič, Matjaž | |
Ravnik, Janez, 1975- | 23786 |
Šmigoc, Tomaž | 52124 |
Bošnjak, Roman | 10511 |
Velnar, Tomaž | 26203 |
Source: Personal bibliographies
and: SICRIS
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