Basophils yog qhov tsawg tshaj plaws leukocyte pom hauv lub cev, tab sis ua lub luag haujlwm tseem ceeb hauv cov lus teb inflammatory. Lawv muaj histamine, uas yog ib tug muaj zog vasodilator. Thaum tso tawm, histamine yuav ua rau cov ntshav ntws mus rau thaj chaw muaj kab mob.
YYuav ua li cas cov leukocytes secrete histamine?
Feem ntau histamine hauv lub cev yog tsim nyob rau hauv granules hauv mast cells thiab hauv cov qe ntshav dawb (leukocytes) hu ua basophils. Mast hlwb tshwj xeeb tshaj yog ntau ntawm cov chaw uas muaj peev xwm raug mob - qhov ntswg, qhov ncauj, thiab ko taw, sab hauv lub cev, thiab cov hlab ntsha.
YPuas yog histamine tso tawm los ntawm leukocytes?
Histamine ib txwm tso tawm raws li qhov tshwm sim ntawm kev cuam tshuam ntawm kev ua xua nrog cell-bound IgE antibodies. Yog tias ib tus neeg mob siab rau ib qho antigen tshwj xeeb, leukocytes yuav tso tawmcov histamine hauv vitro. Tsuas yog qee tus lej ntawm cov tshuaj tsis haum tuaj yeem kuaj los ntawm ib qho qauv ntawm cov ntshav.
Qhov leukocyte twg tso tawm histamine thiab heparin?
Thaum qhib, basophils degranulate tso tawm histamine, proteoglycans (xws li heparin thiab chondroitin), thiab proteolytic enzymes (xws li elastase thiab lysophospholipase).
Cov qes dab tsi tso tawm histamine?
Mast cells thiab basophils sawv cev rau qhov tseem ceeb tshaj plaws ntawm histamine hauv lub cev tiv thaiv kab mob.
