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Topic: Phagocytose

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	Phagocytose (Site not responding. Last check: 2007-10-11)
		Als Phagocytose bezeichnet man die Aufnahme von größeren Nahrungspartikeln bis hin zu kleineren Zellen in eine einzelne eukaryotische Zelle.
		Zur Phagocytose sind sowohl Einzeller (wie die Amöbe oder das Pantoffeltierchen) fähig, als auch diejenigen Zellen eines Vielzellerss, die auf die intrazelluläre Verdauung spezialisiert sind.
		Zur Phagocytose gehört auch die Aufnahme und Vernichtung von Krankheitserregern durch die Fresszellen des Immunsystems.
	www.allgemeinbildung-kompakt.de /wissen/bildung/wikipedia/p/ph/phagocytose.html (251 words)

	Respiratory Research \| Full text \| Neutrophil cannibalism - a back up when the macrophage clearance system is ...
		Phagocytosing macrophages were present in both IF and in BALF but in IF, the macrophage clearance system seemed to be insufficient (indicated by the large number of neutrophils undergoing secondary necrosis) and in addition, several macrophages in IF displayed signs of necrosis.
		Phagocytosing neutrophils were frequently found (Figure 2C–E), the numbers significantly increasing already 4 h after LPS administration, peaking at 24 h (Figure 3).
		Besides neutrophils, phagocytosing macrophages were present in both IF and BALF, but in IF, the macrophage clearance system seemed to be insufficient to meet the needs (indicated by the large number of apoptotic cells, mainly neutrophils, in the process of secondary necrosis) and in addition, several macrophages in IF displayed signs of necrosis.
	respiratory-research.com /content/7/1/143 (3504 words)

	Enzyklopädie :: Phagocytose (Site not responding. Last check: 2007-10-11)
		Zur Phagocytose gehört auch die Aufnahme und Vernichtung von Krankheitserregern durch die Fresszellen (Makrophagen) des Immunsystems.
		Weitere Zelltypen, des Immunsystems, die zur Phagocytose fähig sind, sind die neutrophilen Granulozyten und die dendritischen Zellen.
		Letztere sind darauf spezialisiert, Antigene phagocytotisch aufzunehemen, um sie den Lymphocyten zu präsentieren.
	www.enzyklopadie.cc /Phagocytose (402 words)

	Phagocytose
		Als Phagocytose bezeichnet man die Aufnahme von größeren bis hin zu kleineren Zellen in eine eukaryontische Zelle.
		Diese Aufnahme erfolgt über Phagosomen (große Vesikel mit einem Durchmesser von über 250 Zur Phagocytose sind sowohl Einzeller (wie die Amöbe oder das Pantoffeltierchen) fähig als auch diejenigen Zellen eines Vielzellers die auf die intrazelluläre Verdauung spezialisiert sind.
		Zur Phagocytose gehört auch die Aufnahme Vernichtung von Krankheitserregern durch die Fresszellen des Immunsystems.
	www.uni-protokolle.de /Lexikon/Phagozytose.html (137 words)

	Phagocytose - definition erklärung bedeutung glossar zu Phagocytose (Site not responding. Last check: 2007-10-11)
		Phagocytose - definition erklärung bedeutung glossar zu Phagocytose
		Als Phagocytose bezeichnet man die Aufnahme von größeren Nahrungspartikeln bis hin zu kleineren Zellen in eine einzelne eukaryontische Zelle.
		Oft müssen dabei die zu vernichtenden Erreger zunächst mit Hilfe von Antikörpern markiert werden, damit sie von den Phagocyten erkannt werden.
	www.adlexikon.de /Phagocytose.shtml (293 words)

	Phagocytose - Encyclopédie Vulgaris-Médical
		La phagocytose est l’ingestion et la digestion de fragments solides.
		Les cellules réticulo-endothéliales sont disséminées dans l’organisme et sont capables de phagocytose jouant ainsi un rôle de défense prépondérant.
		La phagocytose se déroule de la façon suivante : confronté à une bactérie par exemple, le macrophage émet dans la direction de celle-ci des protubérances cytoplasmiques (pseudopodes) qui l’enveloppent.
	www.vulgaris-medical.com /imprime.php?p=articles&article=3620 (565 words)

	Galopin : Alimentation sante et elevage du cheval : la circulation sanguine le sang les globules blancs et la ...
		La phagocytose est un mécanisme capital dans les processus de défense contre les agressions microbiennes.
		Longtemps on a cru que la phagocytose était la seule fonction des phagocytes et que ces cellules avaient pour seule mission, celle de servir d'éboueurs des éléments étrangers à notre organisme.
		La phagocytose est parfois favorisée par l'existence d'anti-corps correspondant aux antigènes bactériens.
	www.galopin-fr.net /circul/phago.htm (558 words)

	::: ClinicalLand : partenaire des investigateurs :::
		Par exemple on sait qu’il existe une baisse de la phagocytose des cellules apoptotiques au cours du lupus mais la raison de ce déficit est inconnu.
		Les auteurs ont donc analysé systématiquement les récepteurs membranaires des monocytes dérivés de macrophages et testé leur capacités de phagocytose in vitro des débris apoptotiques.
		La phagocytose a été étudiée en présence de serum sain et de serum de malades.
	www.clinicalland.com /news/1137428523/index_html (317 words)

	Imago Mundi - Phagocytose.
		On donne le nom de macrophages aux cellules qui consomment sur place les bactéries : telles sont les cellules de la rate, les cellules épithéliales des alvéoles pulmonaires, les cellules fixes du tissu conjonctif; les microphages comprennent les leucocytes.
		Les exemples de phagocytose abondent dans la nature; les infusoires englobent les microbes dans leur protoplasme pour s'en nourrir, de même les spongiaires.
		Dans l'érysipèle, la phagocytose est des plus nettes : dès que le streptocoque a envahi la peau et le tissu sous-cutané, il apparaît une réaction inflammatoire qui gonfle la peau atteinte (bourrelet érysipélateux).
	www.cosmovisions.com /phagocytose.htm (467 words)

	Pinocytose : causes, symptômes, traitements, dans l'encyclopédie Vulgaris-Médical
		La phagocytose va permettre à de grosses molécules ou encore à des macromolécules de pénétrer dans la cellule.
		La phagocytose (qui signifie action de manger) au cours de laquelle des portions de membrane cytoplasmique mais également du cytoplasme entourent progressivement un objet destiné à être absorbé par la cellule.
		Les phagocytoses ne sont pas immobiles, ils se déplacent grâce à des mouvements amiboïdes (ils rampent) en utilisant des prolongements du cytoplasme qui forment des pseudopodes.
	www.vulgaris-medical.com /encyclopedie/pinocytose-3674.html (624 words)

	Immature Dendritic Cells Phagocytose Apoptotic Cells via alpha vbeta 5 and CD36, and Cross-present Antigens to ...
		Immature Dendritic Cells Phagocytose Apoptotic Cells via alpha vbeta 5 and CD36, and Cross-present Antigens to Cytotoxic T Lymphocytes -- Albert et al.
		Freshly isolated blood monocytes were infected with live influenza A, PR/8 (Spafas Inc., Storrs, CT), labeled with the PKH26-GL fluorescent cell linker compound (Sigma Biosciences), and incubated at 37°C for 6-8 h, allowing apoptosis to occur.
		Dendritic cell progenitors phagocytose particulates, including Bacillus Calmette-Guerin organisms, and sensitize mice to mycobacterial antigens in vivo.
	www.jem.org /cgi/content/full/188/7/1359 (6679 words)

	Differential capability for phagocytosis of apoptotic and necrotic leukemia cells by human peripheral blood dendritic ...
		The percent phagocytosing cells was determined as the percent double-positive DC relative to all DC.
		The degree of blockage was quantified as the percent phagocytosing DC using a receptor-specific mAb relative to the percent phagocytosing cells in the absence of mAb.
		The percent phagocytosing DC were determined as the percentage of double-positive DC relative to all DC.
	www.jleukbio.org /cgi/content/full/77/5/689 (5907 words)

	Inhibition of sperm production in mice by annexin V microinjected into seminiferous tubules: possible etiology of ...
		Previous in vitro studies showed that Sertoli cells selectively phagocytose dying spermatogenic cells by recognizing the membrane phospholipid phosphatidylserine (PS), which is exposed to the surface of spermatogenic cells during apoptosis.
		When rat spermatogenic cells were fractionated based on their DNA content and individually analyzed for the externalization of PS and susceptibility to phagocytosis by Sertoli cells, we found that spermatogenic cells at any differentiation stage undergo apoptosis and are efficiently phagocytosed by Sertoli cells in a PS-mediated manner.
		We previously established a phagocytosis assay in which rat spermatogenic cells are phagocytosed by Sertoli cells in a manner mediated by PS that is expressed on the surface of apoptotic spermatogenic cells.
	www.nature.com /cdd/journal/v9/n7/full/4401046a.html (4652 words)

	Science--Pharmacia Prize
		We have documented that immature DCs phagocytose the apoptotic cells and upon maturation, they cross-present antigen derived from the apoptotic corpse (8, 9).
		Moreover, we demonstrated that DCs are unique in their ability to cross-present antigen from apoptotic cells.
		Dendritic cells (DCs) phagocytose apoptotic cells and cross-present antigens derived from the dying cells to stimulate virus- and tumor-specific CD8+ T cells.
	www.sciencemag.org /feature/data/pharmacia/2001/Albert.dtl (1168 words)

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		The molecular and cellular events that enable Listeria monocytogenes to invade and multiply within cells have been elucidated in several elegant studies (Fig.
		Phagocytic cells can phagocytose Listeria monocytogenes that have been opsonized with C3 or IgG.
		Invasion of non-phagocytic cells depends on the expression of a family of internalin proteins on the bacterial surface, that facilitate adherence and subsequent invasion of non-phagocytic cells (i.e.
	www.bact.wisc.edu /foodsafety/listeria/lpath.html (510 words)

	William N. Rom M.D., M.P.H.
		In the lower respiratory tract, alveolar macrophages (AMs) phagocytose inorganic particles and microorganisms, thus playing an important role in host defense.
		AMs can phagocytose apoptotic neutrophils and lymphocytes participating in programmed cell death.
		We also analyze BAL cells, bronchial brush, and microdissected samples from lung resections to search for tumor suppressor gene mutations and gene expression changes that will help us identify workers exposed to asbestos and cigarette smoke making them at high risk for lung cancer.
	www.med.nyu.edu /research/romw01.html (326 words)

	Point de vue : La phagocytose médiatique
		Le manque d’opinion est une phagocytose, un virus mortel de la démocratie pour la pensée unique.
		Mais si jamais la phagocytose est démocratique au Faso, alors elle facilite les coups bas inattendus, alimentés par l’hypocrisie que l’on a soi-même installée.
		L’ennemi de notre stabilité est bel et bien la phagocytose, culture de l’hypocrisie : crier haut et fort ce qu’on est pas ou même jamais été.
	www.lefaso.net /article.php3?id_article=9092 (1527 words)

	TIF1beta functions as a coactivator for C/EBPbeta and is required for induced differentiation in the myelomonocytic ...
		phagocytose and chemotax, and decreased expression of chemokine
		macrophages to recognize, bind to, and phagocytose bacteria.
		Chemotaxis in response to RANTES chemokine Differentiated macrophages are able to undergo chemotaxis towards an area of inflammation or infection.
	www.genesdev.org /cgi/content/full/15/22/3023 (4985 words)

	Differentiation of monocytes to macrophages induced by influenza virus-infected apoptotic cells -- Uchide et al. 83 ...
		were phagocytosed by dendritic cells and macrophages in an apoptosis-dependent
		To phagocytose apoptotic cells by macrophages in vivo,
		phagocytosed by the cells in a temperature-dependent manner,
	vir.sgmjournals.org /cgi/content/full/83/4/747 (2640 words)

	The Immune System -- An Overview - The Body
		When an APC presents an antigen on its cell surface to a B cell, the B cell is signalled to proliferate and produce antibodies that specifically bind to that antigen.
		If the antibodies bind to antigens on bacteria or parasites it acts as a signal for pmns or macrophages to engulf (phagocytose) and kill them.
		Another important function of antibodies is to initiate the "complement destruction cascade." When antibodies bind to cells or bacteria, serum proteins called complement bind to the immobilized antibodies and destroy the bacteria by creating holes in them.
	www.thebody.com /step/immune.html (1858 words)

	The Wittrup Lab
		In t his project, we propose to exploit recombinant yeast to load dendritic cells with a tumor-associated antigen.
		Dendritic cells readily phagocytose yeast cells, which have adjuvant properties.
		Using yeast surface display technology developed in this laboratory, we can further investigate the effects of modularly presenting various costimulatory factors on dendritic cell activation.
	web.mit.edu /kdw-lab/people/shanshan.htm (179 words)

	BioMed Central \| Full text \| Use of CFSE staining of borreliae in studies on the interaction between borreliae and ...
		It has been reported that human neutrophils phagocytose motile borreliae through an unconventional mechanism (tube phagocytosis) which is not observed with non-motile borreliae.
		Therefore, it would be of great interest to visualise the bacteria by a method not affecting motility and viability of borreliae to be able to study their interaction with the cells of the innate immunity.
		Coiling phagocytosis was reported when imaging non motile borreliae [5], while a study using motile bacteria showed a novel "tube phagocytosis" [6].
	www.biomedcentral.com /1471-2180/6/92 (5270 words)

	Phagocytose
		The word "phagocytose" uses 11 letters: A C E G H O O P S T Y.
		Words within phagocytose not shown as it has more than seven letters.
		List all words starting with phagocytose, words containing phagocytose or words ending with phagocytose
	www.morewords.com /word/phagocytose (194 words)

	Lysosomes
		phagocytose and digest all particulate matter in the extracellular space, including micro-organisms, foreign particles and damaged cells.
		Eosinophils in the peripheral blood, which phagocytose and digest antigen-antibody complexes.
		Macrophages have a gylcocalyx coat, rich in glycosaminoglycans, on their outer surface, which causes particulate matter to adhere to them.
	staff.um.edu.mt /acus1/Lysosomes.htm (1282 words)

	۞ Phagocytose - Encyclopédie, information et définition sur www.apropos-sciences.fr (Site not responding. Last check: 2007-10-11)
		La phagocytose est le mécanisme par lequel certaines cellules vivantes englobent et digèrent certaines particules étrangères.
		La fonction de phagocytose est partagée par deux variétés de cellules appartenant à la famille des leucocytes (ou globules blancs): les polynucléaires neutrophiles les monocytes macrophages Les...
		Cliquez ici pour information sur les sources des images.
	www.apropos-sciences.fr /Phagocytose (131 words)

	eMedicine - Gout : Article Excerpt by: Mark L Francis, MD
		When bare areas of the urate crystals are exposed, they can bind immunoglobulin G (IgG).
		Such binding stimulates neutrophils to engulf and phagocytose the crystals.
		Once this occurs, there is a brisk influx of neutrophils associated with elevated levels of interleukin-1, interleukin-6, interleukin-8, tumor necrosis factor-alpha, prostaglandin E2, leukotriene B4, kinins, C5a, and other inflammatory mediators.
	www.emedicine.com /med/byname/gout.htm (602 words)

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