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Title: Effects of different lipopolysaccharide preparations on neutrophil function in the fathead minnow, Pimephales promelas Rafinesque
Authors: Jovanovic, B.
Baran, Ezgi
Goetz, F. W.
Palic, D.
Keywords: Crude lipopolysaccharide
Neutrophil function
Issue Date: Nov-2011
Publisher: John Wiley and Sons Inc.
Source: Jovanović, B., Baran, E., Goetz, F. W., and Palić, D. (2011). Effects of different lipopolysaccharide preparations on neutrophil function in the fathead minnow, Pimephales promelas Rafinesque. Journal of Fish Diseases, 34(11), 877-880. doi:10.1111/j.1365-2761.2011.01298.x
Abstract: The fish innate immune response to pathogensrelies on the adequate function of neu trophilicgranulocytes (Palic´, Andreasen, Herolt, Menzel &Roth 2006). The ability of neutrophils to phago-cytose microor ganisms and cellular debris is essen-tial for normal development an d survival of animalpopulations (Segal 2005). The evaluation of neu-trophil function is valuable for assessing the healthstatus of individuals and fish populations (Smith &Lumsden 1983). Resistance of fishes to septic shockand tolerance to high concentrations of lipopoly-saccharide (LPS) was observed as a major differencebetween mammalian and fish innate immuneresponses (Berczi, Bertok & Bereznai 1966). Thisfunctional difference could be attri buted to severalcostimulatory molecules and intracellular mediatorsbeing absent in fish, but active in mammals duringresponse to LPS stimulation (Iliev, Roach, Mac-kenzie, Planas & Goetz 2005). Most fish do notpossess a Toll-like receptor (TLR) with sequencesimilarity to mammalian TLR4 (Leulier & Lemai-tre 2008) and the ones that do have no ability forTLR4 downstream signalling (Sepulcre, Alcaraz-Perez, Lopez-Munoz, Roca, Meseguer, Cayuela &Mulero 2009). Regardless of the absence andfunctionality of TLR4 and costimulatory molecules,bacterial LPS can induce a robus t inflammatorygene response in innate immune fish cells, but atconcentrations 1000-fold higher than is commonlyobserved in mammalian species ( lgmL) mL)1) (Palic´, Ostojic, Andreasen & Roth2007; Mackenzie, Roher, Boltan˜a & Goetz 2010).In contrast, ultrapure LPS preparations are rela-tively inactive in fish (Iliev et al. 2005).
ISSN: 0140-7775
Appears in Collections:IZTECH Research Centers Collection / İYTE Araştırma Merkezleri Koleksiyonu
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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