Puas yog calcitriol ua rau pob txha resorption?
Puas yog calcitriol ua rau pob txha resorption?

Video: Puas yog calcitriol ua rau pob txha resorption?

Video: Puas yog calcitriol ua rau pob txha resorption?
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Anonim

Calcitriol . Calcitriol muaj nyob rau hauv cov ntsiav tshuaj los yog ib qho tshuaj txhaj (IV) formulation. Qhov ncauj calcitriol ua tau zoo txo qib PTH, txo qis pob txha resorption , txhim kho endosteal fibrosis thiab mineralization, thiab rau qee qhov kev pab hauv pob txha mob txuam nrog lub raum osteodystrophy.

Hauv qhov no, calcitriol cuam tshuam rau pob txha li cas?

Ua kom lub raum tubular reabsorption ntawm calcium, yog li txo qhov poob ntawm calcium hauv cov zis. Txhawb kev tso cov calcium los ntawm pob txha . Rau qhov no nws ua haujlwm ntawm hom tshwj xeeb ntawm pob txha cov cell hu ua osteoblasts, ua rau lawv tso RANKL, uas tig mus ua rau osteoclasts.

Cov kev phiv ntawm calcitriol yog dab tsi? Tsis txhob siv calcitriol thiab hu koj tus kws kho mob ib zaug yog tias koj muaj kev phiv loj heev xws li:

  • tsis muaj zog, mob taub hau, tsaug zog;
  • xeev siab, ntuav, mob plab, cem quav;
  • tsis qab los noj mov;
  • qhov ncauj qhuav, nqhis dej ntau ntxiv;
  • xim hlau saj hauv koj lub qhov ncauj;
  • tso zis ntau dua li niaj zaus;
  • nrawm, qeeb, lossis lub plawv dhia tsis xwm yeem;

Ib tus kuj yuav nug, ua li cas cov parathyroid cuam tshuam rau cov pob txha resorption?

Parathyroid hormone ( PTH ) txhawb pob txha resorption los ntawm kev ua ncaj qha rau ntawm osteoblasts/stromal cells thiab tom qab ntawd ncaj qha txhawm rau nce kev sib txawv thiab ua haujlwm ntawm osteoclasts. PTH ua rau osteoblasts/stromal cells nce collagenase gene transcription thiab synthesis.

Calcitriol ua dab tsi rau calcium?

Calcitriol nce ntshav ntau ntau calcium los ntawm kev nce qhov nqus ntawm calcium hauv ob lub raum, nce kev nqus ntawm calcium thiab phosphorus los ntawm txoj hnyuv, thiab nce kev tso tawm ntawm calcium thiab phosphorus los ntawm cov pob txha. Calcitriol pab lub cev siv calcium pom muaj nyob rau hauv cov khoom noj thiab tshuaj ntxiv.

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