Video: Dab tsi yog zymogen granules?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Zymogen hmoov (ZGs) yog tshwj xeeb cia organelles nyob rau hauv lub exocrine pancreas uas tso cai rau sorting, ntim thiab tswj apical secretion ntawm digestive enzymes. ZG cov neeg koom nrog ua lub luag haujlwm tseem ceeb hauv kev raug mob pancreatic thiab kab mob. Cov txheej txheem molecular hauv qab cov txheej txheem no tseem txhais tau tsis zoo.
Tsis tas li lo lus nug yog, dab tsi zymogen granules muaj?
Zymogen Granule . Zymogen granules yog refractile thiab stain intensely liab nrog H&E. Lawv muaj Muaj ntau cov enzymes digestive, feem ntau ua rau lub cev thaum nkag mus rau hauv duodenum.
Tsis tas li, pancreatic Zymogens ua haujlwm li cas? Txawm hais tias mob pancreatic amylase thiab lipase yog secreted li active enzymes, tag nrho cov mob pancreatic plab zom mov proteases thiab ob peb lwm yam hydrolases yog cov zymogens . Hauv txoj hnyuv me, Kev ua haujlwm ntawm pancreatic zymogen pib nrog kev hloov pauv ntawm trypsinogen rau trypsin los ntawm txoj hnyuv txhuam-ciam teb protease enterokinase.
Cov lus nug tseem yog, Zymogens ua dab tsi?
Zymogens los yog proenzymes, yog tsis ua haujlwm ntawm cov enzymes thiab tau raug lees paub tias yog cov npe enzyme uas pib nrog 'pro-' lossis xaus rau '-gen'. Lawv pab nyob rau hauv enzyme folding, stability, thiab lub hom phiaj. Zymogens tau yuav qhib tau los ntawm proteases los yog los ntawm lawv ib puag ncig autocatalytically (tus kheej-kiv).
Puas yog insulin Zymogen?
Qee cov enzymes, txawm li cas los xij, tau tsim nyob rau hauv daim ntawv tsis ua haujlwm ua ntej, hu ua a zymog ua los yog proenzyme. Cov zymog ua ua ib qho protein ntau thaum proteolysis ntawm cov chaw tshwj xeeb hauv cov protein. Txiav cov protein ces hloov cov protein. Ib qho piv txwv yog peptide hormone cov tshuaj insulin.
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