Leech Haementeria ghilianii muaj cov tshuaj tiv thaiv kab mob hauv nws cov qog qaub ncaug uas ua rau cov ntshav nkag tsis tau los ntawm thrombin. Lub mechanism ntawm cov ntshav incoagulation yog txuam nrog cleavage ntawm peptide daim ntawv cog lus nyob rau hauv fibrinogen, thiab yog li cov active neeg sawv cev, hu ua hementin, yog ib tug proteolytic enzyme..
Tus tshuaj tiv thaiv coagulant muaj nyob hauv cov qaub ncaug ntawm leech?
Leeches tsim cov enzyme hauv lawv cov qaub ncaug hu ua hirudin. Hirudin yog ib qho tshuaj tiv thaiv coagulant.
Peptide anticoagulant twg yog zais los ntawm qog qaub ncaug ntawm leech?
Hirudin yog ib qho peptide tshwm sim nyob rau hauv cov qog qaub ncaug ntawm cov ntshav nqus cov leeches (xws li Hirudo medicinalis) uas muaj cov tshuaj tiv thaiv cov ntshav.
Yuav ua li cas enzyme muaj nyob rau hauv leech?
Cov qog qaub ncaug zais ntawm cov leech Hirudo medicinalis muaj ib qho enzyme hu ua peb li destabilase, uas hydrolyzes epsilon-(gamma-glutamyl)-lysine bonds los ntawm fibrin stabilization los ntawm factor XIIIa nyob rau hauv lub xub ntiag ntawm Ca2+.
Dab tsi muaj leech qaub ncaug?
Vascular endothelium Leech qaub ncaug muaj hirudin, tshuaj uas inhibits ntshav coagulation. Nws kuj muaj calin, ib yam khoom uas ua rau lub qhov txhab qhib li ntawm 12 teev los ntawm kev khi nrog thiab yog li inactivating von Willebrand factor.
