2002
DOI: 10.1590/s0004-27302002000300003
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Paratormônio e osteoporose: encontrando o fio da meada. Bases fisiológicas para utilização do PTH no tratamento da osteoporose

Abstract: RESUMOO paratormônio (PTH) estará disponível em breve em nosso mercado como uma possibilidade terapêutica eficiente para a osteoporose. Esta revisão tem por objetivo apresentar os resultados das pesquisas clínicas e experimentais que justificaram tal fato, assim como procurar esclarecer por quais mecanismos o PTH pode ter ações diferenciadas sobre o esqueleto. Os trabalhos bastante recentes demonstram que existem vias diferentes para a atuação do PTH no osteoblasto, e que isto depende da dose, do tempo de expo… Show more

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Cited by 4 publications
(4 citation statements)
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“…We know that this hormone stimulation on osteoblast can indirectly activate osteoclast through osteoprotegerin (OPG) has the ability to bind to the membrane receptor (RANK) on hematopoietic progenitor cells inducing differentiation into osteoclasts, and also stimulates the production of interleukin −6 which has a role in stimulating the production and activation of osteoclast formation [21].…”
Section: Parathyroid Hormone (Pth) and Bone Metabolismmentioning
confidence: 99%
“…We know that this hormone stimulation on osteoblast can indirectly activate osteoclast through osteoprotegerin (OPG) has the ability to bind to the membrane receptor (RANK) on hematopoietic progenitor cells inducing differentiation into osteoclasts, and also stimulates the production of interleukin −6 which has a role in stimulating the production and activation of osteoclast formation [21].…”
Section: Parathyroid Hormone (Pth) and Bone Metabolismmentioning
confidence: 99%
“…Nos rins, o PTH influencia a reabsorção tubular de cálcio e a excreção tubular de fosfato. Além disso, estimula também a conversão para a forma ativa da vitamina D (ARIO-LI; CORRÊA, 1999;GRACITELLI et al, 2002;BATISTA, 2005;GUYTON;HALL, 2006).…”
Section: Atuação Do Paratormônio (Pth)unclassified
“…These latter forms are quickly metabolized in the liver and have a halflife of fewer than 4 minutes. The carboxyl-terminal fragments are eliminated by glomerular filtration and have a longer half-life in the circulation, although their biological effects are not completely known (4,5). These fragments have an activity potentially independent from their binding to the PTHR1 receptor which, according to some studies, can result in hypocalcemia, hypophosphatemia, and increase in urinary phosphorus (6).…”
mentioning
confidence: 99%