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Dernière publication 13/09/2020

Neutrophil extracellular traps increased by hyperglycemia exacerbate ischemic br

Hyperglycemia is common and associated with poor outcome in acute ischemic stroke patients. Neutrophil extracellular traps (NETs) are increased...

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    [title] => Neutrophil extracellular traps increased by hyperglycemia exacerbate ischemic br
    [paragraph] => Neutrophil extracellular traps increased by hyperglycemia exacerbate ischemic brain damage
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Authors
J Deng, F Zhao, Y Zhang et al

 Lab
Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
Journal
Neuroscience Letters
Abstract
Hyperglycemia is common and associated with poor outcome in acute ischemic stroke patients. Neutrophil extracellular traps (NETs) are increased either in diabetes or ischemic stroke. We aimed to determine the role of NETs in acute ischemic stroke with hyperglycemia as it has not been clarified. NETs were observed in thrombi retrieved from ischemic stroke patients undergoing endovascular treatment. Citrullinated histone H3 was much more abundant in thrombi from hyperglycemic patients than in those from normoglycemic patients. BKS-db/db and wild-type mice injected with glucose were used to establish the permanent middle cerebral artery occlusion model with hyperglycemia. NETs induced by hyperglycemia were detected in the peri-ischemic brain tissue. Inhibition of NET formation decreased the infarction volume both in db/db and wild-type mice with hyperglycemia. Neurological function deficits were alleviated by blocking NET formation. These findings suggest that NETs increased by hyperglycemia play a role in exacerbation of ischemic brain damage.
BIOSEB Instruments Used
Grip strength test (BIO-GS3)
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Une méthode simple pour quantifier objectivement la force musculaire des rats et souris et l'effet de drogues, toxines, maladies musculaires (ex: myopathie) et neurodégénératives. Cette mesure de force est souvent employée en association avec le test de coordination motrice ROTAROD: un sujet présentant une coordination normale montrera des résultats médiocres en cas de faible force musculaire. Un must pour vos recherches sur l'activité, la coordination et le contrôle musculaire: particulièrement utile pour vos études sur les maladies de Parkinson et Huntington.
Nouveautés GS4 - 2023: Écran couleur rétroéclairé (meilleure lisibilité), pédale de remise à zéro, durée de batterie optimisée, taille de mémoire augmentée à 500 valeurs, compteur d'animaux, port USB (transfert de données/charge)

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