Publications

Dernière publication 10/05/2019

Inhibition of tumour necrosis factor alpha in the R6 and 2 mouse model of Huntin

HuntingtonÕs disease (HD) is an inherited neurodegenerative disorder caused by the expansion of the CAG repeat in exon 1 of the huntingtin (HTT)...

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    [title] => Inhibition of tumour necrosis factor alpha in the R6 and 2 mouse model of Huntin
    [paragraph] => Inhibition of tumour necrosis factor alpha in the R6/2 mouse model of Huntington's disease by etanercept treatment
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Authors
J Pido-Lopez, B Tanudjojo, S Farag, MK Bondulich et al

 Lab
HuntingtonÕs Disease Centre, Department of Neurodegenerative Disease and UK Dementia Research Institute, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, UK
Journal
Scientific Reports
Abstract
HuntingtonÕs disease (HD) is an inherited neurodegenerative disorder caused by the expansion of the CAG repeat in exon 1 of the huntingtin (HTT) gene, which results in a mutant protein with an extended polyglutamine tract. Inflammation occurs in both the brain and the periphery of HD patients and mouse models, with increases in brain and/or plasma levels of neurotoxic TNF_ and several other proinflammatory cytokines. TNF_ promotes the generation of many of these cytokines, such as IL6, which raises the possibility that TNF_ is central to the inflammatory milieu associated with HD. A number of mouse studies have reported that the suppression of chronic immune activation during HD has beneficial consequences. Here, we investigated whether TNF_ contributes to the peripheral inflammation that occurs in the R6/2 mouse model, and whether the in vivo blockade of TNFalpha, via etanercept treatment, can modify disease progression. We found that etanercept treatment normalised the elevated plasma levels of some cytokines. This did not modify the progression of certain behavioural measures, but slightly ameliorated brain weight loss, possibly related to a reduction in the elevated striatal level of soluble TNFalpha.
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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