Identification of Estrogen-Regulated Genes of Potential Importance for the Regulation of Trabecular Bone Mineral Density

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Sofia Movérare ◽  
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Camilla Damsgaard ◽  
Christian Molgaard ◽  
Aine Hennessy ◽  
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pp. 687-690 ◽  
Author(s):  
Shailendra S. Shukla ◽  
Min Y. Leu ◽  
Thomas Tighe ◽  
Bradford Krutoff ◽  
J. Duncan Craven ◽  
...  

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Frank A. Pintar ◽  
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2011 ◽  
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O. SOUCEK ◽  
V. KOMRSKA ◽  
Z. HLAVKA ◽  
O. CINEK ◽  
M. ROCEK ◽  
...  

2008 ◽  
Vol 87 (9) ◽  
pp. 866-870 ◽  
Author(s):  
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C.D. Huber ◽  
J. Goldhahn ◽  
G. Zanoni ◽  
...  

The edentulous ovine diastema represents a suitable region for implantological research. Due to distinctive embryonic origin and mechanical loading, the edentulous diastema may respond differently to osteoporosis than tooth-bearing areas. To test this assumption, we subjected geriatric sheep to ovariectomy, calcium-/vitamin-D-restricted diet, and methylprednisolone administration. Adult control sheep remained untreated. Structural parameters and bone mineral density were determined by microcomputed tomography and conventional computed tomography, respectively. We report that the trabecular microstructure in the diastema was preserved from catabolic changes. In contrast, the premolar maxillary region of osteoporotic sheep had diminished trabecular bone mineral density, with the corresponding structural deteriorations. These results suggest that maxillary trabecular bone of the edentulous diastema does not respond to catabolic changes which occur in the tooth-bearing area in osteoporosis. Our findings imply that regional anatomic domains must be considered in the planning of pre-clinical studies, taking osteoporotic changes into account.


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