2005
DOI: 10.1007/s00198-005-1859-7
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Animal models for fracture treatment in osteoporosis

Abstract: Demographic changes in the age structure of occidental populations are giving rise to osteoporosis and associated fractures, which are becoming a major public health burden. Various animal models have been established and used to investigate the pathogenesis of osteoporosis and to facilitate the preclinical testing of new treatment options such as antiresorptive drugs. Although osteoporosis can be induced in animals, spontaneous fractures without adequate trauma were only found in nonhuman primates. An animal … Show more

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Cited by 231 publications
(209 citation statements)
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“…Third, as a result of the bone loss, fragility fractures should be present in the bone. Fragility fractures are uncommon in rodents [24], but the strength of the bone must decrease. Therefore, it has been established that bone strength or stiffness can be assessed with mechanical testing [25,26] or finite element analysis [27] as a surrogate for bone fragility.…”
mentioning
confidence: 99%
“…Third, as a result of the bone loss, fragility fractures should be present in the bone. Fragility fractures are uncommon in rodents [24], but the strength of the bone must decrease. Therefore, it has been established that bone strength or stiffness can be assessed with mechanical testing [25,26] or finite element analysis [27] as a surrogate for bone fragility.…”
mentioning
confidence: 99%
“…Cecim usou o mesmo modelo de imobilização e, com testes mecânicos, comprovou a diminuição da resistên-cia óssea após a imobilização (29) . O modelo por nós adotado é adequado e corrobora os achados de outros autores no sentido de que o rato é animal indicado para este tipo de experimento, pelas características de resposta semelhante ao visto no osso humano (5,(34)(35)(36)(37) . A imobilização de ratos provoca perda de osso esponjoso caracterizada por falhas na formação óssea e aumento na reabsorção.…”
Section: Discussionunclassified
“…A imobilização de ratos provoca perda de osso esponjoso caracterizada por falhas na formação óssea e aumento na reabsorção. A perda focal também ocorre em osso cortical, quando a imobilização for suficientemente prolongada, com concomitante diminuição nas propriedades mecânicas (5,38) .…”
Section: Discussionunclassified
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“…Ocorrência de fraturas sem trauma excessivo ou aumento de fraturas no rebanho são indicadores de osteoporose (Egermann et al 2005). Apesar da importância da doença, há poucos estudos sobre osteoporose em animais de produção no Brasil.…”
Section: Introductionunclassified