Time-related changes in equine neutrophils after experimental endotoxemia : myeloperoxidase staining, size, and numbers

© 2016 American Society for Veterinary Clinical Pathology.

Détails bibliographiques
Publié dans:Veterinary clinical pathology. - 1975. - 45(2016), 1 vom: 20. März, Seite 66-72
Auteur principal: Lilliehöök, Inger (Auteur)
Autres auteurs: Tvedten, Harold W, Bröjer, Johan, Edner, Anna, Nostell, Katarina
Format: Article en ligne
Langue:English
Publié: 2016
Accès à la collection:Veterinary clinical pathology
Sujets:Journal Article Research Support, Non-U.S. Gov't Advia 2120 blood giant neutrophils horse toxic changes Endotoxins endotoxin, Escherichia coli 67924-63-4 plus... Peroxidase EC 1.11.1.7
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245 1 0 |a Time-related changes in equine neutrophils after experimental endotoxemia  |b myeloperoxidase staining, size, and numbers 
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500 |a Date Revised 28.02.2018 
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500 |a Citation Status MEDLINE 
520 |a © 2016 American Society for Veterinary Clinical Pathology. 
520 |a BACKGROUND: Neutrophil myeloperoxidase content is determined by the Advia 2120 hematology system by staining characteristics. Changes in myeloperoxidase staining are shown by location of neutrophils on Advia peroxidase dot plots and as myeloperoxidase index (MPXI). Significant changes in MPXI have been reported during severe inflammation in horses, dogs, and people but conclusions were inconsistent 
520 |a OBJECTIVES: Infusion of endotoxin was used to initiate an inflammatory stimulus under controlled conditions and over a longer time period than in previous studies to document kinetics of changes in neutrophil numbers, morphology, and myeloperoxidase staining. Identification of consistent time-related changes may allow better interpretation of changes in neutrophil characteristics during inflammation 
520 |a MATERIALS: Five Standardbred trotting horses received an intravenous infusion over a 6-hour period with Escherichia coli endotoxin. Neutrophil count, MPXI, neutrophil characteristics in Advia 2120 Perox dot plots and neutrophil morphology in blood smears were monitored with repeated sampling for up to 10 days 
520 |a RESULTS: Endotoxin infusion immediately caused severe neutropenia which converted to neutrophilia 14 hours after start of endotoxin infusion. Neutrophilia was still present 78 hours after start of infusion. Large "giant" neutrophils first appeared in blood smears and Advia Perox dot plots after 36-48 hours. A marked and consistent decrease in MPXI was seen in all horses 6 days (150 hours) after endotoxin exposure 
520 |a CONCLUSIONS: Endotoxemia caused prominent, time-related changes in equine neutrophil characteristics including emergence of giant neutrophils and markedly decreased MPXI several days after endotoxin infusion 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Advia 2120 
650 4 |a blood 
650 4 |a giant neutrophils 
650 4 |a horse 
650 4 |a toxic changes 
650 7 |a Endotoxins  |2 NLM 
650 7 |a endotoxin, Escherichia coli  |2 NLM 
650 7 |a 67924-63-4  |2 NLM 
650 7 |a Peroxidase  |2 NLM 
650 7 |a EC 1.11.1.7  |2 NLM 
700 1 |a Tvedten, Harold W  |e verfasserin  |4 aut 
700 1 |a Bröjer, Johan  |e verfasserin  |4 aut 
700 1 |a Edner, Anna  |e verfasserin  |4 aut 
700 1 |a Nostell, Katarina  |e verfasserin  |4 aut 
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773 1 8 |g volume:45  |g year:2016  |g number:1  |g day:20  |g month:03  |g pages:66-72 
856 4 0 |u http://dx.doi.org/10.1111/vcp.12334  |3 Volltext 
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