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Video: Dab tsi ua rau cov pob txha muaj zog ntxiv?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Muaj ntau yam ua rau nce ntawm ALP kev ua si hauv cov ntshav, feem ntau yog kab mob hauv lub siab thiab cov txheej txheem metabolic pob txha kab mob. Muaj pov thawj tias cov thyroid hormone (T3) ua rau txhawb nqa pob txha ALP kev ua si los ntawm cov txheej txheem osteoblast nuclear receptor-mediated (18, 23).
Kuj nug, dab tsi ua rau kom cov pob txha nce siab?
A qib siab ntawm ib enzyme hu ua alkaline phosphatase hauv ntshav yog ib qho ntawm pob txha cov neeg mob metastasis. Thaum twg pob txha txawv txav cov ntaub so ntswg yog tsim los ntawm cov qog nqaij hlav cancer, theem ntawm alkaline phosphatase nce. Hypercalcemia tshwm sim thaum muaj qib siab calcium nyob rau hauv cov ntshav ntshav.
Tsis tas li, dab tsi ua rau nce pob txha resorption? Qhov no tuaj yeem yog ua los ntawm cov xwm txheej xws li hyperparathyroidism thiab hypovitaminosis D lossis txawm tias txo qis cov tshuaj hormones hauv cov neeg laus. Qee cov kab mob nrog cov tsos mob ntawm txo pob txha ntom ntom yog pob txha, thiab rickets. Qee cov neeg uas tau ntsib nce pob txha resorption thiab txo pob txha tsim yog astronauts.
Kuj paub yog, dab tsi ua rau osteoblast ua haujlwm?
Parathyroid Hormone yog ib qho protein ua los ntawm lub caj pas parathyroid nyob rau hauv kev tswj ntawm cov calcium hauv cov ntshav kev ua si . Intermittent PTH stimulation nce kev ua haujlwm osteoblast , txawm hais tias PTH yog bifunctional thiab kho cov pob txha matrix degradation ntawm ntau dua.
Peb yam tshuaj hormones tseem ceeb twg muaj feem cuam tshuam rau pob txha loj hlob?
Peb calcium - tswj cov tshuaj hormones ua lub luag haujlwm tseem ceeb hauv kev tsim cov pob txha noj qab haus huv: 1) cov tshuaj hormones parathyroid lossis PTH, uas tswj hwm qib ntawm calcium thiab txhawb ob qho tib si resorption thiab tsim cov pob txha; 2) calcitriol , cov tshuaj hormones muab los ntawm vitamin D, uas txhawb cov hnyuv kom nqus tau txaus calcium thiab
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Cov nqaij ntshiv lub cev los ntawm kev cog lus tawm tsam cov pob txha. Thaum cov leeg mob, lawv tau luv. Los ntawm kev cog lus, cov leeg rub ntawm cov pob txha thiab cia lub cev txav mus los
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