Cov txheej txheem:
Video: Puas yog eosinophils cov tshuaj tiv thaiv?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Eosinophils , zoo li lwm cov granulocytes, tau tsim tawm hauv cov pob txha pob txha kom txog thaum lawv raug tso tawm rau hauv kev ncig. Eosinophils thiab tshuaj tiv thaiv ntawm qib immunoglobulin E (IgE) ua haujlwm ua ke los rhuav tshem cov kab mob parasites xws li cov quav cab uas ua rau mob schistosomiasis.
Ib yam li ntawd, nws tau nug, yam kab mob autoimmune ua rau eosinophils siab li cas?
Cov kab mob tshwj xeeb thiab xwm txheej uas tuaj yeem ua rau ntshav lossis nqaij eosinophilia suav nrog:
- Mob myelogenous leukemia (AML)
- Ua xua.
- Ascariasis (kis tus kab mob roundworm)
- Mob hawb pob.
- Atopic dermatitis (tawv nqaij)
- Cancer.
- Churg-Strauss syndrome: cov tsos mob
- Crohn tus kab mob (ib hom kab mob plab hnyuv)
Ib qho ntxiv, tus yam ntxwv ntawm eosinophils yog dab tsi? Eosinophils tshwj xeeb tiv thaiv kab mob hlwb Qhov no ntshav dawb proinflammatory ntawm tes feem ntau muaj cov nucleus nrog ob lub lobes (bilobed) thiab cytoplasm tau ntim nrog kwv yees li 200 lub pob zeb loj uas muaj cov enzymes thiab cov protein uas muaj qhov sib txawv (paub thiab tsis paub).
Yooj yim li ntawd, qib eosinophils qhia txog mob qog noj ntshav?
Cov txheej txheem tseem ceeb rau kev kuaj mob eosinophilic leukemia yog: Ib suav eosinophil nyob rau hauv cov ntshav ntawm 1.5 x 109 /L lossis siab dua uas kav lub sijhawm. Tsis muaj kab mob parasitic, ua xua, lossis lwm yam ua rau eosinophilia . Teeb meem nrog kev ua haujlwm ntawm tib neeg lub cev vim yog eosinophilia.
Cov tshuaj twg ua eosinophils tso tawm?
Eosinophils tuaj yeem hloov kho qhov kev xav tsis zoo tam sim ntawd los ntawm kev ua kom puas lossis ua rau cov neeg nruab nrab tsis ua haujlwm tso tawm los ntawm mast cells, xws li histamine, leukotrienes (uas yuav ua rau vasoconstriction thiab bronchoconstriction), lysophospholipids, thiab heparin.
Pom zoo:
Qhov twg ntawm cov tshuaj tiv thaiv hauv qab no yog siv rau kev txhaj tshuaj tiv thaiv kab mob?
Passive Immunization DISEASE NAME OF MATERIAL Cytomegalovirus Cytomegalovirus immun globulin, txhaj tshuaj tiv thaiv kab mob Diphtheria Diphtheria antitoxin, equine Rabies Rabies tiv thaiv globulin, tib neeg Measles Immune globulin, tib neeg
Thaum ntsuas kub li cas IgM cov tshuaj tiv thaiv tshuaj tiv thaiv?
Qhov kub zoo tshaj plaws nyob ntawm hom tshuaj tiv thaiv kab mob koom nrog. IgG cov tshuaj tiv thaiv zoo tshaj plaws ntawm 37oC; IgM hnov zoo tshaj plaws ntawm 4oC
Cov khoom siv ntshav dab tsi tuaj yeem tiv thaiv febrile Nonhemolytic cov tshuaj tiv thaiv?
Tsuas yog 1 ntawm 7 tus neeg mob ntsib tus kab mob febrile nonhemolytic cov tshuaj tiv thaiv yuav muaj lwm cov tshuaj tiv thaiv ntawm lawv cov kev xa mus tom ntej. Txoj hauv kev zoo tshaj los tiv thaiv kev mob febrile hnyav yog siv cov khoom muaj nqis leukocyte txo cov qe ntshav liab thiab cov qe ntshav liab apheresis
Puas yog kev tsim cov tshuaj tiv thaiv kab mob tsis yog lub cev tiv thaiv?
Kev tiv thaiv tshwj xeeb suav nrog teeb meem anatomic, inhibitors, phagocytosis, ua npaws, mob, thiab IFN. Cov kev tiv thaiv tshwj xeeb muaj xws li tshuaj tiv thaiv kab mob thiab kev tiv thaiv kab mob ntawm tes
Dab tsi yog cov tshuaj tiv thaiv thiab lawv cuam tshuam nrog cov tshuaj tiv thaiv li cas?
Cov tshuaj tiv thaiv kab mob (immunoglobins) yog cov protein zoo li Y tsim los ntawm B hlwb ntawm lub cev tiv thaiv kab mob hauv kev teb rau kis rau antigens. Txhua cov tshuaj tiv thaiv muaj ib qho paratope uas paub txog ib qho epitope ntawm ib qho antigen, ua zoo li lub xauv thiab qhov tseem ceeb binding mechanism