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In vitro expression of proalpha1(I) collagen mRNA by human pre-osteoclastic cells
Ist Teil von
Journal of endocrinological investigation, 2000-01, Vol.23 (1), p.1
Ort / Verlag
Italy
Erscheinungsjahr
2000
Quelle
MEDLINE
Beschreibungen/Notizen
In vitro studies have demonstrated that the extracellular matrix modulates the cell phenotype. In the present study we have investigated in vitro proalpha1(I) collagen mRNA expression in a human pre-osteoclastic cell line (FLG 29.1 cells) in basal condition and after various stimuli. In addition, in order to evaluate the effect of cell-cell interactions on collagen type I mRNA expression, we have cultured the human pre-osteoclastic cells FLG 29.1 with either the human osteoblast-like cell line Saos-2 or the bovine bone endothelial cell line BBE. We showed that the FLG 29.1 cells express proal (I) collagen mRNA, whose expression is modulated by phorbol esters (TPA). Co-culturing FLG 29.1 cells with either Saos-2 or BBE cells induced decrease of proalpha1(I) collagen mRNA expression.