![Lub enzyme twg yog lub luag haujlwm rau cov leeg nqaij du? Lub enzyme twg yog lub luag haujlwm rau cov leeg nqaij du?](https://i.answers-medical.com/preview/medical-health/14061994-which-enzyme-is-responsible-for-smooth-muscle-relaxation-j.webp)
Video: Lub enzyme twg yog lub luag haujlwm rau cov leeg nqaij du?
![Video: Lub enzyme twg yog lub luag haujlwm rau cov leeg nqaij du? Video: Lub enzyme twg yog lub luag haujlwm rau cov leeg nqaij du?](https://i.ytimg.com/vi/5X264MdSC4Y/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Myosin light chain phosphatase (MLCP), hloov, yog lub luag haujlwm rau dephosphorylation ntawm myosin teeb saw, thaum kawg ua rau so nqaij so.
Zoo sib xws, dab tsi ua rau so ntawm cov leeg du?
Ua kom cov leeg xis nyob tshwm sim los ntawm kev tshem tawm cov contractile stimulus los yog los ntawm kev ncaj qha kev txiav txim ntawm ib yam khoom uas nkoos inhibition ntawm lub contractile mechanism. Txawm li cas los xij, txheej txheem ntawm so yuav tsum tau txo qis intracellular Ca2+ concentration thiab nce MLC phosphatase kev ua haujlwm.
Tom qab ntawd, lo lus nug yog, cov protein kinase A ua rau cov leeg so li cas? Tsis zoo li lub plawv nqaij , nce cAMP hauv cov leeg ua rau so . Cov vim li cas rau qhov no yog tias cAMP feem ntau inhibits myosin lub teeb saw kinase ua , cov enzyme uas yog lub luag haujlwm rau phosphorylating cov nqaij du myosin thiab ua rau kev cog lus Zoo li lub plawv, cAMP tau tawg los ntawm cAMP-dependent PDE (PDE3).
Tom qab ntawd, yam tshuaj twg yog lub luag haujlwm rau kev txo qis ntawm cov leeg nqaij?
Acetylcholine stimulates kev cog lus hauv ib co cov nqaij du thiab so hauv lwm yam cov nqaij du hom los ntawm kev tso tawm ntawm nitric oxide.
Yuav ua li cas magnesium ua rau kom cov leeg du?
Magnesium kuj ua lub luag haujlwm hauv kev tswj hwm nqaij kev cog lus Ib yam li hauv plawv, magnesium ua raws li lub ntuj calcium blocker los pab cov nqaij ntshiv . Hauv koj nqaij , calcium khi rau cov protein xws li troponin C thiab myosin. Cov txheej txheem no hloov pauv cov duab ntawm cov protein no, uas ua rau muaj qhov sib cog qis (9).
Pom zoo:
Cov enzyme twg yog lub luag haujlwm rau tshuaj zom cov hmoov txhuv nplej siab rau hauv cov piam thaj hauv tib neeg?
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amylase Ib yam li ntawd, dab tsi enzymes koom nrog hauv kev zom cov hmoov txhuv nplej? Cov carbohydrates tau zom zom hauv lub qhov ncauj, plab thiab hnyuv me. Carbohydrase enzymes zom cov hmoov txhuv nplej siab rau hauv suab thaj. Cov qaub ncaug hauv koj lub qhov ncauj muaj amylase , uas yog lwm cov hmoov txhuv nplej siab zom zom enzyme.
Cov tshuaj twg yog lub luag haujlwm rau cov leeg sib zog?
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Cytoskeletal filaments … tsim lub luag haujlwm quab yuam rau cov leeg sib zog
Lub cev twg yog lub luag haujlwm tsim hluav taws xob uas ua rau cov leeg nqaij?
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Lub paj hlwb yog qhov tseem ceeb rau peb lub peev xwm los ua haujlwm hauv txhua txoj hauv kev. Raws li peb paub cov leeg tsim kev txav los ntawm kev cog lus thiab rub ntawm peb cov pob txha. Txawm li cas los xij nws yog lub paj hlwb uas muaj lub luag haujlwm txhawb nqa cov leeg thiab ua rau lawv cog lus
Qhov twg yog lub luag haujlwm tshaj plaws rau kev sib koom ua ke ntawm cov leeg nqaij leeg?
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Hauv cov leeg mob plawv, sib txuas cov discs sib txuas cardiomyocytes mus rau syncytium, ntau cov leeg nqaij ntawm tes, txhawm rau txhawb kev nthuav dav sai ntawm cov peev txheej ua haujlwm thiab kev sib koom ua ke ntawm myocardium
Lub cev twg yog lub luag haujlwm rau propulsion ntawm cov zaub mov ntawm lub qhov ncauj mus rau lub plab?
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Esophagus Hauv qhov no, kev tawm dag zog lub cev zom zaub mov yog dab tsi? Ingestion yog txheej txheem ntawm noj. Kev tawm tsam yog kev txav ntawm cov zaub mov raws li digestive ib ntsuj av . Qhov loj txhais tau tias ntawm kev tawm tsam yog peristalsis, ua ntu ntu ntawm kev sib txuam sib cog lus thiab so ntawm cov leeg du uas ua kab ntawm phab ntsa ntawm plab zom mov lub cev thiab uas yuam cov zaub mov txav mus tom ntej.