Effet chez le porcelet d'une exposition Ã un rÃ©gime co-contaminÃ© en ...

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TRAVAIL EXPERIMENTALrévélé de lésions microscopiques, et très peu d’effets sur des marqueurs de fonction etd’inflammation lorsque les porcelets avaient ingéré la solution de HFB1, à l’inverse de ceux ayantingéré la solution de FB1. De plus, l’intestin ne présentait pas ou très peu de lésions et d’altérationsdes villosités, contrairement aux intestins des animaux du groupe FB1. De la même manière,l’immunosuppression reflétée par une diminution de l’expression des cytokines, n’a pas été observéele long de l’intestin grêle après administration de la HFB1.125
TRAVAIL EXPERIMENTALHydrolysis of fumonisin B1 strongly reduced the toxicity for piglets at bothintestinal and hepatic levelsBertrand GRENIER 1,3 , Ana-Paula LOUREIRO-BRACARENSE 2 , Heidi Elisabeth SCHWARTZ 4 , Anne-MarieCOSSALTER 1 , Martine KOLF-CLAUW 5 , Gerd SCHATZMAYR 3 , Isabelle P. OSWALD 1 & Wulf-Dieter MOLL 31INRA, ToxAlim, Equipe Immuno-Mycotoxicologie, Toulouse, France.2Universidade Estadual de Londrina, Lab. Patologia Animal, Londrina, Brazil.3BIOMIN Research Center, Technopark 1, Tulln, Austria.4University of Natural Resources and Life Sciences, Center for Analytical Chemistry, Department forAgrobiotechnology IFA, Tulln, Austria.5Université de Toulouse, Ecole Nationale Vétérinaire, Toulouse, France.Address correspondence toDr Isabelle P. OswaldINRA-ToxAlim180 chemin de Tournefeuille BP 9317331027 Toulouse Cedex 3Phone : +33561285480E-Mail : isabelle.oswald@toulouse.inra.frAbbreviations: FB1, fumonisin B1 ; HFB1, hydrolyzed fumonisin B1 ; Sa, sphinganine ; So, sphingosineKeywords: fumonisin, hydrolyzed fumonisin, sphingoid bases, liver, digestive tract126
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AUTEUR : Bertrand GRENIERTITRE : Ef
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REMERCIEMENTSLe travail ici présen
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J’ai une pensée particulière po
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Grenier, B., Loureiro-Bracarense, A
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TABLE DES MATIERES ................
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LISTE DES ABREVIATIONSAFAflatoxineD
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FIGURES ET TABLEAUXFigure 1 : Mycot
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INTRODUCTION8
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INTRODUCTIONCONTEXTE DE L’ETUDELe
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INTRODUCTIONElle se présentait sou
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INTRODUCTIONl’utilisation de ce m
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INTRODUCTION1. Les mycotoxines : g
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INTRODUCTIONc) La zéaralénone (vo
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INTRODUCTIONleucoencéphalomalacies
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INTRODUCTIONMycotoxins co-contamina
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INTRODUCTIONINTRODUCTIONFood safety
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INTRODUCTIONCHARACTERIZATION OF THE
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Quail(140 d)AF-FBRabbit(21 d)AF-FBR
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INTRODUCTIONdue to the ingestion of
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Table 2 : Interaction between Aflat
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(49 d) - RW-L ↗- Ab SRBC ↘- RW-
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INTRODUCTIONb) effects AF and OTA o
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INTRODUCTIONThe depletion of lympho
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AF-T2Chicken 0.3 - 3.0(35 d)AF-T2Ra
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INTRODUCTIONonly seen in birds give
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(30 d) 2AF-RUBGuinea pig 0.02 bw -(
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INTRODUCTIONbetween AF and CPA on t
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(21 day) - RBC, hemoglobin ↗- AST
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INTRODUCTIONII. INTERACTIONS BETWEE
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INTRODUCTIONwhereas in the experime
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INTRODUCTION2.2) TCT type A and BTw
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Table 6 : Interaction between Ochra
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T2-CPAChicken(28 d)T2-CPAChicken(21
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INTRODUCTIONexposed group (Brown et
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INTRODUCTION2.3) Interaction betwee
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INTRODUCTIONeffects in comparison t
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INTRODUCTION3. Procédés de décon
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INTRODUCTIONPhysical and chemical m
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INTRODUCTIONINTRODUCTIONConsumption
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INTRODUCTIONmm screen shows that fr
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INTRODUCTIONseparate the grain into
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Table 7 : toxicological evaluation
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INTRODUCTIONextrusion parameters ra
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INTRODUCTION- an important loss of
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INTRODUCTIONal., 2005). The fate of
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INTRODUCTIONby a steeping period. S
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INTRODUCTIONon cell tissue cultures
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INTRODUCTIONCONCLUSIONDetoxificatio
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INTRODUCTIONMycotoxin Reduction in
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INTRODUCTIONINTRODUCTIONMycotoxin-p
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INTRODUCTIONI. ADSORPTION OF MYCOTO
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Rats3000 ppb 0.5 %2500 ppb 0.5 %250
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INTRODUCTIONIn studies of the poten
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INTRODUCTIONSubstances investigated
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Table 9 : Outcome of yeast cell wal
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INTRODUCTIONFurthermore, cholestyra
Page 114 and 115: INTRODUCTIONwall peptidoglycans and
Page 116 and 117: INTRODUCTIONII. BIOLOGICAL DETOXIFI
Page 118 and 119: INTRODUCTIONdecrease in toxin-conce
Page 120 and 121: INTRODUCTIONCONCLUSIONPrevention an
Page 122 and 123: TRAVAILEXPERIMENTAL90
Page 124 and 125: TRAVAIL EXPERIMENTALtoxicité gén
Page 126 and 127: TRAVAIL EXPERIMENTALRESUME DES ETUD
Page 128 and 129: These are not the final page number
Page 140 and 141: TRAVAIL EXPERIMENTALChronic ingesti
Page 142 and 143: TRAVAIL EXPERIMENTALINTRODUCTIONMyc
Page 144 and 145: TRAVAIL EXPERIMENTALMATERIAL & METH
Page 146 and 147: TRAVAIL EXPERIMENTALthrough a grade
Page 148 and 149: Figure 5ABCDVilli height (µm)5432a
Page 150 and 151: TRAVAIL EXPERIMENTALRESULTS1) Histo
Page 152 and 153: Figure 8ILEUM2.01.6TNF-αbbb2.52.0I
Page 154 and 155: TRAVAIL EXPERIMENTAL3) Intestinal i
Page 156 and 157: TRAVAIL EXPERIMENTALtreated group t
Page 158 and 159: TRAVAIL EXPERIMENTALThe potencial e
Page 160 and 161: TRAVAIL EXPERIMENTALQuantification
Page 162 and 163: Figure 10 :(a) Réaction de deesté
Page 166 and 167: TRAVAIL EXPERIMENTALABSTRACTFumonis
Page 168 and 169: TRAVAIL EXPERIMENTALintestinal leve
Page 170 and 171: TRAVAIL EXPERIMENTAL3) Experimental
Page 172 and 173: TRAVAIL EXPERIMENTALthe importance
Page 174 and 175: Figure 11 : Effects of FB1 and HFB1
Page 176 and 177: Table 15 : Effects of FB1 and HFB1
Page 178 and 179: Table 17 : Effects of FB1 and HFB1
Page 180 and 181: TRAVAIL EXPERIMENTALDISCUSSIONThe a
Page 182 and 183: TRAVAIL EXPERIMENTALassociated lymp
Page 184 and 185: TRAVAIL EXPERIMENTALHartinger et al
Page 186 and 187: Figure 13 :(a) Transformation par v
Page 188 and 189: Figure 14 :Illustrations de la proc
Page 190 and 191: Figure 15 :Plan expérimental de la
Page 192 and 193: TRAVAIL EXPERIMENTAL4) Analyses du
Page 194 and 195: TRAVAIL EXPERIMENTAL9) Analyses sta
Page 196 and 197: TRAVAIL EXPERIMENTALRESULTATS1) Eff
Page 198 and 199: TRAVAIL EXPERIMENTAL2) Effet des ag
Page 200 and 201: TRAVAIL EXPERIMENTALb,cca,ba,b,da,d
Page 202 and 203: TRAVAIL EXPERIMENTALL’exposition
Page 204 and 205: Figure 21 : Effet de l’exposition
Page 206 and 207: 1,41,21,00,80,60,40,20,0IL‐8a,cc
Page 208 and 209: TRAVAIL EXPERIMENTALDISCUSSIONLes o
Page 210 and 211: TRAVAIL EXPERIMENTALœdèmes pulmon
Page 212 and 213: DISCUSSIONGENERALE160
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DISCUSSION GENERALEDans ce travail
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DISCUSSION GENERALEdes vaches laiti
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Tableau 24 : Analyse de denrées ag
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DISCUSSION GENERALEet al., 2008b).
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DISCUSSION GENERALE• une réactio
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DISCUSSION GENERALE2. Les systèmes
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DISCUSSION GENERALEMycoplasma agala
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DISCUSSION GENERALEoptimale. Les au
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DISCUSSION GENERALEsphingomyéline
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DISCUSSION GENERALEsignalisation ce
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DISCUSSION GENERALEL’IMMUNITÉ IN
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DISCUSSION GENERALEplus spécifique
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DISCUSSION GENERALEsouligner que le
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DISCUSSION GENERALELA CARBOXYLESTER
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DISCUSSION GENERALEde HFB1. Toutefo
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CONCLUSIONS184
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CONCLUSIONSLes effets d’expositio
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CONCLUSIONSest utilisée lorsque la
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REFERENCES BIBLIOGRAPHIQUESAABDEL-W
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REFERENCES BIBLIOGRAPHIQUESBHANDARI
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REFERENCES BIBLIOGRAPHIQUESCASADO,
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REFERENCES BIBLIOGRAPHIQUESDEGIRMEN
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REFERENCES BIBLIOGRAPHIQUESETIENNE,
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REFERENCES BIBLIOGRAPHIQUESGRENIER,
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REFERENCES BIBLIOGRAPHIQUESHERZALLA
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REFERENCES BIBLIOGRAPHIQUESKERKADI,
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REFERENCES BIBLIOGRAPHIQUESKUMAR, M
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REFERENCES BIBLIOGRAPHIQUESMARZOCCO
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REFERENCES BIBLIOGRAPHIQUESODHAV, B
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REFERENCES BIBLIOGRAPHIQUESPFOHL-LE
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REFERENCES BIBLIOGRAPHIQUESREFAI, M
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REFERENCES BIBLIOGRAPHIQUESSCHWARTZ
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REFERENCES BIBLIOGRAPHIQUESSWANSON,
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REFERENCES BIBLIOGRAPHIQUESVEKIRU,
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REFERENCES BIBLIOGRAPHIQUESYAN, D.,
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