Article (Périodiques scientifiques)
Nitric oxide decreases the enzymatic activity of insulin degrading enzyme in APP/PS1 mice.
Kummer, Markus P; Hülsmann, Claudia; Hermes, Michael et al.
2012In Journal of Neuroimmune Pharmacology, 7 (1), p. 165 - 172
Peer reviewed
 

Documents


Texte intégral
Nitric oxide decreases the enzymatic activity of insulin degrading enzyme in APPPS1 mice.pdf
Postprint Éditeur (406.09 kB)
Demander un accès

Tous les documents dans ORBilu sont protégés par une licence d'utilisation.

Envoyer vers



Détails



Mots-clés :
Nitric Oxide; Nitric Oxide Synthase Type II; Nos2 protein, mouse; Neprilysin; Insulysin; Alzheimer Disease/metabolism; Animals; Blotting, Western; Disease Models, Animal; Insulysin/metabolism; Mice; Mice, Inbred C57BL; Mice, Transgenic; Neprilysin/metabolism; Nitric Oxide/metabolism; Nitric Oxide Synthase Type II/metabolism; Aβ; Insulin degrading enzyme; Keywords IDE; Nitration; Neuroscience (miscellaneous); Immunology and Allergy; Immunology; Pharmacology; IDE; A beta
Résumé :
[en] Nitric oxide has been implicated in the regulation of enzyme activity, particularly the activity of metalloproteinases. Since the inducible form of the nitric oxide synthase (NOS2), is upregulated in Alzheimer's disease, we investigated the activity of two amyloid β degrading enzymes, IDE and neprilysin. In vitro we demonstrated that the activity of IDE was inhibited by *NO donor Sin-1, whereas activity of neprilysin remained unaffected. In vivo the activity of insulin-degrading enzyme was lowered in APP/PS1 mice, but not in APP/PS1/NOS2(-/-) mice. These data suggest that NOS2 upregulation impairs amyloid β degradation through negative regulation of IDE activity and thus loss of NOS2 activity will positively influence amyloid β clearance.
Disciplines :
Neurologie
Auteur, co-auteur :
Kummer, Markus P;  Clinical Neurosciences Unit, Department of Neurology, University of Bonn, Sigmund-Freud-Strasse 25, 53105 Bonn, Germany
Hülsmann, Claudia;  Clinical Neurosciences Unit, Department of Neurology, University of Bonn, 53105 Bonn, Germany
Hermes, Michael;  Clinical Neurosciences Unit, Department of Neurology, University of Bonn, 53105 Bonn, Germany
Axt, Daisy;  Clinical Neurosciences Unit, Department of Neurology, University of Bonn, 53105 Bonn, Germany
HENEKA, Michael  ;  Clinical Neurosciences Unit, Department of Neurology, University of Bonn, 53105 Bonn, Germany
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Nitric oxide decreases the enzymatic activity of insulin degrading enzyme in APP/PS1 mice.
Date de publication/diffusion :
mars 2012
Titre du périodique :
Journal of Neuroimmune Pharmacology
ISSN :
1557-1890
eISSN :
1557-1904
Maison d'édition :
Springer Science and Business Media LLC, Etats-Unis
Volume/Tome :
7
Fascicule/Saison :
1
Pagination :
165 - 172
Peer reviewed :
Peer reviewed
Subventionnement (détails) :
This study was supported by a grant from the Deutsche Forschungsgemeinschaft (HE 3350/4-1,4-2) to MTH. M.P.Kummer.C.Hülsmann.M.Hermes.D.Axt. M. T. Heneka (*) Clinical Neurosciences Unit, Department of Neurology, University of Bonn, Sigmund-Freud-Strasse 25, 53105 Bonn, Germany e-mail: michael.heneka@ukb.uni-bonn.de
Disponible sur ORBilu :
depuis le 07 mai 2024

Statistiques


Nombre de vues
55 (dont 0 Unilu)
Nombre de téléchargements
0 (dont 0 Unilu)

citations Scopus®
 
23
citations Scopus®
sans auto-citations
23
OpenCitations
 
22
citations OpenAlex
 
25
citations WoS
 
22

Bibliographie


Publications similaires



Contacter ORBilu