alexa Ibuprofen-Glutathione Conjugate as Anti-inflammatory an
ISSN: 2157-7099

Journal of Cytology & Histology
Open Access

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Research Article

Ibuprofen-Glutathione Conjugate as Anti-inflammatory and Anti-apoptotic Agent in Rat Brain Infused with β Amyloid (1-40)

Zara S1*, De Colli M1, Sozio P1, Cacciatore I1, Bosco D2, Di Stefano A1, Nasuti C3 and Cataldi A1

1 Dipartimento di Farmacia, Università G. d’Annunzio, Chieti-Pescara, Italy

2 Istituto di Genetica Molecolare del CNR, Unità di Chieti, Italy

3 Dipartimento di Medicina Sperimentale e Sanità Pubblica, Università di Camerino, Camerino (MC), Italy

*Corresponding Author:
Susi Zara
Dipartimento di Farmacia
Università G. d’Annunzio
Via dei Vestini
31, 66100, Chieti, Italy
Tel: +39-0871-3554507
Fax: +39-0871-3554507
E-mail: [email protected]

Received Date: February 28, 2014; Accepted Date: May 26, 2014; Published Date: May 28, 2014

Citation: Zara S, De Colli M, Sozio P, Cacciatore I, Bosco D (2014) Ibuprofen-Glutathione Conjugate as Anti-inflammatory and Anti-apoptotic Agent in Rat Brain Infused with ß Amyloid (1-40). J Cytol Histol 5:249. doi:10.4172/2157-7099.1000249

Copyright: © 2014 Zara S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: To date it is proved that Alzheimer’s disease (AD) is characterized by a multifactorial etiology which comprises mitochondrial dysfunction, energy depletion, inflammation, and oxidative stress associated with glutathione depletion. All these factors are known to be impacted by beta amyloid protein (Aβ), which is responsible for the activation of amyloidogenic cascade. In the present work a rat intracerebroventricular Aβ(1-40) infusion model of early AD was employed to investigate the effects of Ibuprofen-Glutathione (IBU-GSH) conjugate on morphological modifications, Aβ plaque formation, apoptosis, learning, and memory performance.
Methods: Water maze test was used to evaluate drug administration effects on spatial reference memory, immunohistochemistry was carried out to determine Aβ 1-40, iNOS and caspase-3 expression; semithin sections and ultrastructural analyses, by means of light and transmission electron microscopy, respectively, were realized to evaluate samples morphology; TUNEL analysis to identify apoptotic cells.
Results and Conclusion:
Results showed that in the Aβ+IBU-GSH conjugate treated group, long-term memory consolidation at day 12 was improved, while learning appeared slower respect to control. In Aβ-infused rats, a higher number of Aβ plaques, disorganized pyramidal pyknotic cells, apoptotic cells containing fragmented or swollen mitochondria, dilated blood vessels, and a low number of oligodendrocytes along with the high expression of inducible Nitric Oxide Synthase (iNOS) and caspase-3 were put in evidence. The inflammatory state seemed to be reversed by IBU-GSH treatment, as evidenced by a lower number of Aβ plaques and pyknotic cells, and reorganized neurons containing normal mitochondria; despite this, persistent dilated blood vessels, decreased iNOS expression, lower percentage of apoptosis, and weak caspase-3 levels were observed. Thus mitochondria involvement in the AD inflammatory state is here strongly suggested and neuro-protective and anti-apoptotic IBU-GSH conjugate effect could be useful to reduce the AD inflammatory state.

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