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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 100, No. s1, 2005, pp. 25-27
Bioline Code: oc05023
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 100, No. s1, 2005, pp. 25-27

 en Nitric oxide synthase activity and endogenous inhibitors in rats recovered from allergic encephalomyelitis
SA Teixeira; AA Varriano; AA Dias; R Martins Porto & MN Muscará

Abstract

We have previously reported that in comparison with normal rats, the presence of experimental allergic encephalomyelitis (EAE) leads to decreased endogenous inhibitory activity (EIA) of Ca2+-dependent nitric oxide synthase (NOS) in both brain and serum, and increased expression of protein 3-nitrotyrosine (NT) in brain. In this work we show that animals recovered from the clinical signs of EAE are not different from controls in terms of either brain NOS activity, EIA of NOS, or NT expression. These results suggest that parallel to the reversal of the disease symptoms, a normalization of the production of nitric oxide and related species occurs.

Keywords
nitric oxide synthase - experimental allergic encephalomyelitis - nitrotyrosine

 
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