Tib neeg neutrophils yog bona fide histamine-tsim hlwb. Neutrophils khaws ∼0.29 pg / cell thiab tso tawm ∼ 50% ntawm cov ntsiab lus histamine nyob rau hauv ib qho antigen-dependent yam thiab ntawm stimulation nrog lwm cov neutrophil agonists.
Cov qe ntshav dab tsi tso tawm histamine?
Leej twg leukocyte tso tawm histamine thiaj li nthuav cov hlab ntsha thiab ua kom cov ntshav ntws mus rau qhov chaw muaj kab mob? Piav: Basophils yog qhov tsawg tshaj plaws leukocyte pom hauv lub cev, tab sis ua lub luag haujlwm tseem ceeb hauv cov lus teb. Lawv muaj cov tshuaj histamine, uas yog lub zog vasodilator.
Cab dab tsi ua rau tso tawm histamine?
Raws li ib feem ntawm kev tiv thaiv kab mob rau cov kab mob txawv teb chaws, histamine yog tsim los ntawm basophils thiab los ntawm mast cells pom nyob rau hauv cov ntaub so ntswg ze. Histamine nce permeability ntawm capillaries rau cov qe ntshav dawb thiab qee cov proteins, kom lawv koom nrog cov kab mob hauv cov ntaub so ntswg.
Histamine secreted los ntawm qhov twg?
Histamine yog synthesized nyob rau hauv tag nrho cov ntaub so ntswg, tab sis tshwj xeeb tshaj yog muaj nyob rau hauv daim tawv nqaij, ntsws thiab plab hnyuv ib ntsuj av. Mast cells, uas muaj nyob rau hauv ntau cov ntaub so ntswg, yog ib qho tseem ceeb ntawm histamine, tab sis histamine kuj secreted los ntawm ib tug xov tooj ntawm lwm yam immune cells.
Puas phagocytes tso histamine?
Histamine tso tawm los ntawm mast cells thaum phagocytosis thiab kev cuam tshuam nrog activated neutrophils.
