CaafimaadkaDaawo

Macrophages - waxa uu yahay waxan?

Macrophages - waxa uun in? Ama formation? Waxa ay masuul ka ee jidhkeena ku jira? Kuwani, iyo sidoo kale tiro ka mid ah arimahan oo laga jawaabi doonaa gudahood maqaalka.

warbixin guud

phagocytes Mononuclear (ama macrophages) - waa koox ka mid ah unugyada muddo dheer ku noolaa in ay yihiin awood u phagocytosis. Waxay leeyihiin badan ilaa xad ah muuqaalada caadi ah in iyaga ka dhigaa mid ah neutrophils. Sida macrophages - yihiin xubno fir fircoon ee jawaabaha adag bararka iyo difaaca, halkaas oo ay u dhaqmaan sida unugyada secretory. Sidee bay u shaqeeyaan? Macrophages, sida neutrophils by diapedesis ka tago dhiiga iyo bilaabaan in ay tagaan on waddadiisa - inay wareejiyaan ee dhiigga. Laakiin waxay si toos ah u galay unugyo ah. Ka dib markii in uu jiro isbadal ah → macrophages monocyte. Oo meeshii yimid, waxay wada oofin doona hawlaha ay u gaar ah, kaas oo ku xiran meesha uu jidh. Waxaa loola jeedaa in beerka, sambabada, dhuuxa lafta iyo beeryarada. In iyaga ay ka hawlgeli doonaan ka kaxayntu ay of Qurub waxyeello iyo sheyga ka dhiigga. In inay karaa "leexdo"? unugyada iyo mikroglievskie Kupffer, macrophages alveolar, macrophages, beeryarada, qanjirada, dhuuxa lafaha - taasi waxa weeye waxa ay ku beddelma.

functional

On macrophages, laba hawlood oo waaweyn jirka ee lagu qoray iyo sameeyaa by nooc oo kala duwan:

  1. Baabi'inta cudur corpuscular. Waxaa ku hawlan waxa loogu yeero macrophages "xirfadeed".
  2. Nuugista, processing iyo soo bandhigga antigen in unugyada T. Shaqooyinkaasi waxaa ay horeba u sameeyaa AIC. hoos waxaa loo isticmaalaa sabab u ah magaca dheer ee ku xiran micro ah - unugyada antigen-soo bandhiga.

Marka dhuuxa lafta of promonocyte sameeyay formation dadka waaweyn si gaar ah wax badan oo iyaga ka mid ah ku dhicin (oo waxaa raagayn) ee limfosaytis. Macrophages waqti dheer samaynaya ay ka shaqeynayaan ay sabab u tahay xaqiiqda ah in ay tahay unugyada muddo dheer ku noolaa in ay si fiican u horumarsan mitochondria iyo reticulum endoplasmic xunxunna.

Faahfaahin dheeraad ah oo ku saabsan hawlaha

Sidaas awgeed, waxaan ogahay in, sida neutrophils, macrophages ka tago dhiiga iyo bilaabaan inay qabtaan hawlo gaar ah. Guud ahaan, iyo guud ahaan aynu hore u wada hadleen. Haddaba aynu tixgelin dheeraad ah scrupulously badan waxay Fali. Sidaas darteed, waxay ku siin phagocytosis, soo saaraan ensaymes, borotiinada, Delft, prostaglandins, xag oxygen, cytokines, leukotrienes. Intaa waxaa dheer, macrophages ayaa sidoo kale ku lug lahaa iyo dheecaan of protease dhexdhexaad ah, hydrolases acid, lysozyme, arginase, hannaanka ah inhibitors enzyme, nucleoside iyo cytokines. Sidoo kale u mahad waxaa soo saaray noocyada ogsijiin Waxyeelo, arachidonic acid. Oo qorayo - waa arrin kaakicin chemokines dhiig xinjirowga. Waa in la ogaadaa in ay door burburinta unugyo buro, iyo burburinta dulin intracellular. In dambaysta ah, doorkooda waa mid aad u muhiim ah. Macrophages ku milmaan karaa unugyada wayn in sarkhaansan yihiin anti-duufaanaha waa leexdo xagga granulomas. qaababka noocan oo kale ah saameyn ku yeelan cadadka gamma interferon soo saaray.

kaalinta difaaca

Laakiin dareenka ugu weyn waa in weli la siiyo dagaalka ka dhanka ah protozoa, fayrusyada iyo bakteeriyada jira unugyada ciidanka gudahood. Fuliyo waxaa sabab u ah joogitaanka habab bactericidal hantiyeen by macrophages. Tani waxay keenaysaa in xaqiiqda ah in ay tahay mid ka mid ah waxyaabaha ugu awood badan ee difaaca la dhalin. Laakiin sidaas maaha oo dhan. Waxay wada yihiin in T iyo limfosaytis B waxaa ku lug leh wax ka qabashada difaaca jirka. Intaa waxaa dheer, waa mid aan macquul ma ah in la ogaado doorka macrophages in bogsashada dhaawaca, tirtiridda unugyada in ay ka nolol dambeeyey iyaga u gaar ah, iyo in formation of dabar atherosclerotic. Waxay macno baabbi'in xubno waxyeello ku jidhkeenna. Tani xataa magacooda. Sidaas darteed, in tarjumaadda Ruush ah "qorayo" - ". Cuna weyn" a Oo waxaa la ogaadaa in unugyada kuwanu waa runtii arrin weyn.

Maxay yihiin noocyada kala duwan ee macrophages?

Maxaa yeelay, waxaan u aragto waxbarashada waa phagocytes unugyada, qaybaha kala duwan ee jidhka waxaad kula kulmi kartaa noocyo kala duwan oo "-habeynta". Haddii aan ka fiirsan wax walba, waxa ay qaadataa waqti badan, si diiradda noqon doonaa on wakiilada ugu weyn, sida:

  1. macrophages Alveolar. Waxay ku lug leeyihiin sambabka iyo sifeynta hawada la neefsado by sunta kala duwan waxyeello iyo Qurub.
  2. unugyada Kupffer. Waxay ku yaalaan beerka. Intooda badan ku hawlan burburinta unugyada dhiigga jir.
  3. Gistotsity. Waxay ku nool yihiin unugyada connective, sidaa darteed waxaad ka heli kartaa jidhka oo dhan. Laakiin waxay badanaa loo yaqaan "dhalanteed" by macrophages ay sabab u tahay xaqiiqda ah in ay ku hawlan yihiin in formation of jir ah in inta badan ee dhismayaasha ee jirka, ma ahan oo keliya burburinta xubno kala duwan oo waxyeelo.
  4. unugyada Dendritic. Waxay ku nool yihiin ee epithelium iyo submucosal.
  5. Splenocytes. Waxay yihiin in xididdada dhiigga sinusoidal ee jirka oo ku hawlan yihiin in ay ogaanshaha iyo burburinta unugyada dhiigga huriye. La yaab ma laha beeryarada ee loo yaqaan qabuuraha of unugyada dhiigga cas dhintay.
  6. macrophages Peritoneal. Waxay ku nool yihiin peritoneum ah.
  7. Macrophages ee qanjidhada ah. Halkee ay ku nool yihiin, waa wax iska cad ka horyaalka.

gunaanad

Waxaa adag jidhkeenna. Waxaa deggan kala duwan ee unugyada faa'iido leh, taas oo ka dhigi nolosheena fudud. Waxay yihiin macrophages isklyucheniemi. Nasiib darro, mararka qaarkood iyaga oo aan haysan khibrad ku filan si ay u sameeyaan shaqada nidaamka difaaca jirka sida loogu baahan yahay. Oo markii qof xanuunsado. Laakiin faa'iido ugu weyn ee nidaamka difaaca jirka our si hufan waa wixii ay awoodo inuu la qabsado.

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