Transforming growth factor-beta 1 downregulates dexamethasone-induced tetranectin gene expression during the in vitro mineralization of the human osteoblastic cell line SV-HFO
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Transforming growth factor-beta 1 downregulates dexamethasone-induced tetranectin gene expression during the in vitro mineralization of the human osteoblastic cell line SV-HFO. / Iba, K; Sawada, N; Chiba, H; Wewer, U M; Ishii, S; Mori, M.
I: F E B S Letters, Bind 373, Nr. 1, 02.10.1995, s. 1-4.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Transforming growth factor-beta 1 downregulates dexamethasone-induced tetranectin gene expression during the in vitro mineralization of the human osteoblastic cell line SV-HFO
AU - Iba, K
AU - Sawada, N
AU - Chiba, H
AU - Wewer, U M
AU - Ishii, S
AU - Mori, M
PY - 1995/10/2
Y1 - 1995/10/2
N2 - In the present study, we examined the regulation of tetranectin gene expression using a human osteoblastic cell line, SV-HFO, that undergoes mineralization upon treatment with dexamethasone. We found that the expression of tetranectin and alkaline phosphatase mRNA was induced by dexamethasone treatment as evidenced by Northern blotting. When transforming growth factor-beta 1 (TGF-beta 1) was added together with dexamethasone to the SV-HFO cell cultures, the mineralization process was markedly suppressed and the expression of tetra nectin and alkaline phosphatase was downregulated in a dose-dependent manner. These results demonstrate that the expression of tetranectin in these osteoblastic cells is regulated by dexamethasone and TGF-beta 1 and that tetranectin expression is tightly linked to the process of mineralization.
AB - In the present study, we examined the regulation of tetranectin gene expression using a human osteoblastic cell line, SV-HFO, that undergoes mineralization upon treatment with dexamethasone. We found that the expression of tetranectin and alkaline phosphatase mRNA was induced by dexamethasone treatment as evidenced by Northern blotting. When transforming growth factor-beta 1 (TGF-beta 1) was added together with dexamethasone to the SV-HFO cell cultures, the mineralization process was markedly suppressed and the expression of tetra nectin and alkaline phosphatase was downregulated in a dose-dependent manner. These results demonstrate that the expression of tetranectin in these osteoblastic cells is regulated by dexamethasone and TGF-beta 1 and that tetranectin expression is tightly linked to the process of mineralization.
KW - Blood Proteins
KW - Blotting, Northern
KW - Cell Line
KW - Dexamethasone
KW - Gene Expression
KW - Humans
KW - Lectins, C-Type
KW - Osteoblasts
KW - RNA, Messenger
KW - Transforming Growth Factor beta
KW - Tumor Markers, Biological
M3 - Journal article
C2 - 7589422
VL - 373
SP - 1
EP - 4
JO - F E B S Letters
JF - F E B S Letters
SN - 0014-5793
IS - 1
ER -
ID: 34326091