Natural killer (NK) hlwb yog qhov tseem ceeb rau kev tsom thiab tua cov qog, cov kab mob sib kis thiab cov hlwb ua rau muaj kev ntxhov siab ua tswv cuab ntawm lub cev tiv thaiv kab mob hauv lub cev. Tsis ntev los no, NK hlwb kuj tau tshwm sim los ua tus tswj hwm tseem ceeb ntawm kev tiv thaiv kev tiv thaiv kab mob thiab tau dhau los ua lub hom phiaj kho mob tseem ceeb rau kev tiv thaiv kab mob qog noj ntshav thiab kev tiv thaiv kab mob.
Nk cov hlwb puas hloov tau?
Txawm hais tias NK hlwb raug suav hais tias yog ib feem ntawm lub cev tiv thaiv kab mob hauv lub cev, cov ntaub ntawv pov thawj tau pom tias lawv muaj cov yam ntxwv ntawm adaptive immune system. Cov NK adaptive nta, tshwj xeeb tshaj yog lawv lub cim xeeb zoo li lub luag haujlwm, tau tham los ntawm qhov kev xav ntawm ontogenetic thiab evolutionary point of view.
YPuas NK cells innate immunity?
Natural killer (NK) hlwb yog cov nyhuv lymphocytes ntawm hauv lub cev tiv thaiv kab mob uas tswj ntau hom qog thiab kab mob microbial los ntawm kev txwv tsis pub lawv kis thiab cov ntaub so ntswg tom qab.
Yuav ua li cas cov cell yog ntuj killer cells?
Ib hom kab mob tiv thaiv kab mob uas muaj granules (me me) nrog cov enzymes uas tuaj yeem tua cov qog hlwb lossis cov hlwb uas kis tus kabmob. Lub hlwb tua neeg yog ib hom qe ntshav dawb. Kuj hu ua NK cell thiab NK-LGL.
Dab tsi ua rau NK hlwb siab?
NK hlwb ntau zuj zus vim ib lub cev tiv thaiv kab mob ntau dhau lossis ib qho mob. Yog li, kev tiv thaiv kab mob xws li thyroid ua haujlwm yuav tsum yogsoj ntsuam.
