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Bovine Colostral Antibody Against Verotoxin 2 Derived from Escherichia coli O157:H7: Resistance to Proteases and Effects in Beagle Dogs

机译:源自大肠杆菌O157:H7的Verotoxin 2牛初乳抗体:对蛋白酶的抵抗力和对小猎犬的影响

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Abovinecolostralantibodyagainstverotoxin(VT)2ofEscherichiacoliO157:H7wasadministeredorallytobeagledogs.Theantibodyremainedinthedogs'smallintestineforatleast2h,whereaslittleserumantibodyremained1.5hafteradministration.Furthermore,theantibodyactivityofsecretoryIgAdidnotchangeuntil2hafteradministration;however,theactivityofIgGandIgMantibodiesdecreasedbyapproximately60%and40%at2hafteradministration,respectively.SevenbeagledogsinoculatedwithEscherichiacoliO157:H7producingVT2wereadministeredbovinecolostralantibodyorbovinecolostralwheywithoutantibody.Withadministrationofbovinecolostralwheywithoutantibody,theamountofVT2infecesdecreasedgraduallyafteradministrationandincreasedagainat5dafterinoculation,whereasbovinecolostralantibodysignificantlyreducedtheamountofVT2infecesonthedayafteradministration.Inaddition,9beagledogsweregivenbovinecolostralantibody,bovineplasmaantibody,orsaline.TheamountofVT2infecesagaindecreasedsignificantlymorerapidlyafteradministrationofbovinecolostralantibodythanafteradministrationofbovineplasmaantibodyorsaline.
机译:Abovinecolostralantibodyagainstverotoxin(VT)2ofEscherichiacoliO157:H7wasadministeredorallytobeagledogs.Theantibodyremainedinthedogs'smallintestineforatleast2h,whereaslittleserumantibodyremained1.5hafteradministration.Furthermore,theantibodyactivityofsecretoryIgAdidnotchangeuntil2hafteradministration;然而,theactivityofIgGandIgMantibodiesdecreasedbyapproximately60%and40%at2hafteradministration,respectively.SevenbeagledogsinoculatedwithEscherichiacoliO157:H7producingVT2wereadministeredbovinecolostralantibodyorbovinecolostralwheywithoutantibody.Withadministrationofbovinecolostralwheywithoutantibody,theamountofVT2infecesdecreasedgraduallyafteradministrationandincreasedagainat5dafterinoculation,whereasbovinecolostralantibodysignificantlyreducedtheamountofVT2infecesonthedayafteradministration.Inaddition,9beagledogsweregivenbovinecolostralantibody,bovineplasmaantibody,orsaline.TheamountofVT2infecesagaindecreasedsignificantlymorerapidlyafteradministrationofbovinecolostralantibodythanafteradm牛血浆抗体抗体

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