Umthetho wama-Immune Cell Act njenge-Resine-Line Responders to Infection
I-neutrophils, eyaziwa nangokuthi i-neurocytes, iyilungu legazi elimhlophe eliphambili kumzimba wethu wokuzivikela. Njengengxenye yethu yokuzivikela ngokuzikhusela komzimba , i-neutrophils isebenza njengabaphenduli bemigca yokuqala, ukuhlasela ibhaktheriya, ii-virus kunye nezinye izifo.
I-neutrophils inokuthi iyakuthi i-phagocyte (i- phago- ithetha ukutya kunye nesithintelo iseli) njengoko zikhusela umzimba ngokungenisa izilwanyana ezihlasela.
Ziveliswa kumongo we-bone kunye ne-akhawunti engama-50 ukuya kuma-70 ekhulwini lamaseli egazi amhlophe.
Ziziphi i-Neutrophils ezenzayo
Njengomzimba wokuzivikela omzimba, i-neutrophils ine-motility ephezulu (ithetha ukukwazi ukuhamba ngokukhawuleza) kwaye iyakwazi ukujikeleza i-arhente echaphazelayo ukubulala. Ukongezelela ekungenizeni i-pathogen, i-neutrophils inokukhipha izinto ze-cytotoxic (ukubulawa kweeseli) ezithintele ngqo umzimba.
I-neutrophils iyakwazi ukufumana ixhoba layo ngokusebenzisa inkqubo ebizwa ngokuthi yi-chemotaxis apho bayayiqonda iikhemikhali ezikhutshwe ngumnqumle okanye ukutshiza kwaye zihambela kuloo "phunga" ngokuzenzekelayo.
Oku akufani nomgudu wokugcina umgca wendlela yesibini ovelisa iiseli ezifanelwe ukubulala i-pathogen kunye ne-pathogen yodwa. Unomkhuhlane olungenasifo, ngokuchaseneyo, ubulala ngokungekho ngqo, ukuhlaselwa nantoni na engayi "kuvumba" ngokufanelekileyo.
I-neutrophils isabela kwiintsholongwane zomzimba ngaphakathi nomzimba wesikhumba.
I-Pus , enye yeproducts yentsholongwane yesikhumba, iqulethwe kakhulu nge-neutrophil efile, ibhaktheriya kunye neeseli zesikhumba.
Iziphi i-Neutrophil Counts Tell Us
I-neutrophils ibalwa njengenxalenye yokuhlolwa okupheleleyo kwegazi (CBC) . Olunye uvavanyo, olubizwa ngokuba yi- WBC eyahlukileyo , luchaza ipesenti nganye yelungu legazi elimhlophe kwisampuli yegazi, kuquka i-neutrophils, i-lymphocytes, i-monocytes, i-basophil, kunye ne-eosinophil.
Okwangoku, inani le- neutrophil elipheleleyo (ANC) lisitshela ukuba zininzi zala maseli egazini kunye nenqanaba "lokuqhelekileyo" lophakathi kwe-1800 no-7800 iiseli nganye nge-microliter (mL).
Inani eliphezulu le-neutrophil, elibizwa ngokuba yi- neutrophilia , linokubangelwa nayiphi na intsholongwane, ukuxhwaleka, okanye ukuvuvukala okwenza i-immune system ithathe isenzo. I-Neutrophilia iyaxhaphaka nge-appendicitis, ukutshisa okukhulu, iintlobo ezithile ze-leukemia, kunye nayiphi na imeko eyenza ukuvuvukala okunzima (njengokuhlasela kwentliziyo).
Ngokwahlukileyo, inani elincinane, elibizwa ngokuba yi- neutropenia , linokubangelwa yi- sepsis , i-chemotherapy, unyango lwe-radiation kunye nezinye izifo ezizimele. Kwamanye abantu, i-neutropenia inokuhlala ingapheliyo (eqhubekayo kwaye iqhubekayo) ngelixa ezinye ziya kuba zixesha elidlulileyo (ngokuqhelekileyo ukuphendula kwisifo okanye ukuchithwa kweziyobisi).
Ukujonga i-Neutrophils kwiCreatcer Treatment
Ngethuba lolo unyango lwemhlaza, inani le-neutrophil eliqhelekileyo lihlolisiswa rhoqo ukuze lichonge indlela indlela yokuzivikela ngayo isabela kumxinzelelo we-radiation okanye i-chemotherapy. I-Neutropenia ayiqhelekanga kwezi meko kwaye ingahlelwa ngo:
- I-neutropenia encinci (i-ANC phantsi kwe-1500 cells / mL) enomngcipheko omncinci wokusuleleka.
- I-neutropenia ephakathi (i-ANC phakathi kwe-1000 no-500 iiseli / mL) ebeka umngcipheko ophantsi wokusuleleka.
- I-neutropenia enamandla (i-ANC ngaphantsi kweeseli ezili-500 / mL) ebeka ingozi enkulu yokusuleleka.
Ukuba i-ANC iyancipha ngezantsi malunga nee-cell / mL ezingama-500, ugqirha wakho uya kubeka amachiza ukuba alungele ukulungelelanisa amanqanaba e-neutrophil kwaye angakhombisa nekhosi ye-antibiotics ukuthintela ukusuleleka.
> Umthombo:
> Abathengisi, uL .; Hiemstra, I .; Kuijsper, T .; okqhubekayo. "I-Neurophils yomhlaza." Immunol Rev. 2016; 3273 (1): 312-28.