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Vasopressin Multifaceted Hormone Regulating Fluid Balance

Nqe: USD 40-100

  • Khoom npe Vasopressin
  • CAS Nr. 11 000-17-2
  • Qhov tshwm sim Dawb Lyophilized Hmoov
  • MF C46H65N13O12S2
  • MW 1056.22 Nws
  • EINECS 234-236-2 : kuv
  • Qhov ntom 1.31g / cm3

Cov lus piav qhia ntxaws

Vasopressin, tseem hu ua antidiuretic hormone (ADH), ua lub luag haujlwm tseem ceeb hauv kev tswj cov kua dej osmolality los ntawm kev txhawb nqa dej reabsorption hauv ob lub raum. Cov tshuaj no tsis tsuas yog ua rau cov tshuaj tiv thaiv diuretic tab sis kuj nthuav tawm cov khoom vasoconstrictive thiab cuam tshuam rau ntau yam hauv nruab nrog cev xws li plab hnyuv, gallbladder, thiab zais zis. Vasopressin yog siv nyob rau hauv kev kho mob ntawm central uremia, polyuria tom qab phais lub hlwb los yog lub taub hau raug mob, so ntawm lub plab cov leeg, thiab raws li ib tug ntxiv nyob rau hauv kev tswj ntawm mob hemorrhage.

Vasopressin ua tus thawj tswj hwm ntawm cov kua osmolality los ntawm kev ua kom cov dej reabsorption hauv ob lub raum. Los ntawm kev ua kom cov permeability ntawm cov epithelial hlwb nyob rau hauv lub raum sau ducts, vasopressin txhawb dej reabsorption, uas ua rau muaj antidiuretic nyhuv. Tsis tas li ntawd, nws nthuav tawm cov khoom vasoconstrictive, constricting peripheral vasculature, thiab induces constriction ntawm lub plab, gallbladder, thiab zais zis.


1 714476089153 xhg

Hauv kev kho mob hauv nruab nrab uremia, vasopressin yog siv los tswj cov tsos mob cuam tshuam nrog kev tsis txaus siab, xws li cov zis tso zis ntau ntau thiab nqhis dej ntau ntxiv. Nws pab kho qhov sib npaug ntawm cov kua hauv lub cev osmolality los ntawm kev ua kom cov dej reabsorption nyob rau hauv lub raum tubular sau ducts, ua rau txo qis hauv zis ntau lawm thiab concentration ntawm sodium nyob rau hauv cov zis.

Vasopressin kuj tseem siv rau hauv kev kho mob thawj zaug ntawm polyuria tom qab phais mob hlwb lossis mob taub hau. Los ntawm kev tswj cov kua dej sib npaug, vasopressin pab txo qis cov zis ntau dhau thiab tswj cov dej kom zoo.

Tsis tas li ntawd, vasopressin pom daim ntawv thov hauv cov leeg nqaij hauv plab thaum lwm yam tshuaj tsis zoo. Nws lub peev xwm los ntxias vasoconstriction thiab cuam tshuam rau cov leeg nqaij leeg ua kom muaj kev ntxhov siab hauv qee yam mob uas yuav tsum tau ua kom cov leeg so.

Nyob rau hauv mob hemorrhage tshwm sim los ntawm cov kab mob ntawm txoj hlab pas, plab hnyuv, thiab lwm yam digestive ib ntsuj av, vasopressin yuav siv tau raws li ib tug additive nyob rau hauv kev kho mob. Nws cov khoom vasoconstrictive pab txo cov ntshav thiab stabilizing tus neeg mob tus mob.
Vasopressin yog synthesized centrally nyob rau hauv lub hypothalamus raws li ib tug cyclic nonapeptide. Nws koom nrog hauv hypothalamic-pituitary-adrenal axis thiab tswj pituitary corticotropin secretion los ntawm kev txhim kho cov teebmeem ntawm corticotropin-tso tawm. Tsis tas li ntawd, vasopressin ua raws li cov tshuaj neurotransmitter, ua rau nws ua haujlwm los ntawm kev khi rau cov G protein-coupled receptors.

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Vasopressin, tseem hu ua antidiuretic hormone, plays lub luag haujlwm tseem ceeb hauv kev tswj cov kua dej hauv lub cev. Nws lub peev xwm los ntxias cov dej reabsorption, vasoconstriction, thiab cuam tshuam rau ntau yam kabmob ua rau nws muaj ntau yam tshuaj hormones nrog ntau yam kev siv kho mob. Los ntawm kev tswj hwm hauv nruab nrab uremia thiab polyuria mus rau kev pab hauv cov leeg nqaij hauv plab thiab tswj kev mob ntshav siab, vasopressin qhia nws cov txiaj ntsig hauv ntau yam xwm txheej kho mob.

Specification

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