Title : Influence of bisphosphonates on the osteoblast RANKL and OPG gene expression in vitro.

Pub. Date : 2012 Feb

PMID : 20938793






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1 Influence of bisphosphonates on the osteoblast RANKL and OPG gene expression in vitro. Diphosphonates TNF superfamily member 11 Homo sapiens
2 The objective of this study was to evaluate the effect of bisphosphonates on the gene expression of receptor activator of NF-kappaB ligand (RANKL) and osteoprotegerin (OPG) in vitro. Diphosphonates TNF superfamily member 11 Homo sapiens
3 The objective of this study was to evaluate the effect of bisphosphonates on the gene expression of receptor activator of NF-kappaB ligand (RANKL) and osteoprotegerin (OPG) in vitro. Diphosphonates TNF superfamily member 11 Homo sapiens
4 The results showed a moderate enhancement of OPG gene expression whereas RANKL gene expression was strongly increased by nitrogen-containing bisphosphonates reaching a maximum after 14 days at high concentrations of 5 x 10(-5) M. Lower concentrations did not enhance the RANKL and OPG expression considerably. Diphosphonates TNF superfamily member 11 Homo sapiens
5 The non-nitrogen-containing bisphosphonate clodronate, however, effected OPG and RANKL gene expression much less, even at higher concentrations of 5 x 10(-3) M. The above-mentioned data suggest an enhanced RANKL/OPG gene expression after stimulation by bisphosphonates. Diphosphonates TNF superfamily member 11 Homo sapiens
6 The non-nitrogen-containing bisphosphonate clodronate, however, effected OPG and RANKL gene expression much less, even at higher concentrations of 5 x 10(-3) M. The above-mentioned data suggest an enhanced RANKL/OPG gene expression after stimulation by bisphosphonates. Diphosphonates TNF superfamily member 11 Homo sapiens
7 The non-nitrogen-containing bisphosphonate clodronate, however, effected OPG and RANKL gene expression much less, even at higher concentrations of 5 x 10(-3) M. The above-mentioned data suggest an enhanced RANKL/OPG gene expression after stimulation by bisphosphonates. Diphosphonates TNF superfamily member 11 Homo sapiens