Document Detail

Dynamic of oxidative and nitrosative stress markers during the convalescent period of stroke patients undergoing rehabilitation.
MedLine Citation:
PMID:  21546426     Owner:  NLM     Status:  Publisher    
BACKGROUND: Stroke patients have a redox imbalance, a consequence of both the cerebrovascular event and the associated pathological conditions. Our study was aimed to investigate the dynamic of some oxidative and nitrosative markers during the convalescent phase of postacute stroke patients undergoing rehabilitation. METHODS: We assessed thiol, advanced oxidation protein product, protein carbonyl, 3-nitro-l-tyrosine, ceruloplasmin and oxidized LDL concentrations, as well as gamma-glutamyltranspeptidase (GGT) activity in 20 patients at the beginning of the hospitalization and at the discharge moment, respectively, and 24 apparently healthy controls. RESULTS: We found significantly increased values for GGT (P = 0.04), ceruloplasmin (P = 0.01) and protein carbonyl (P = 0.04) in stroke patients at the hospitalization moment when compared with healthy controls, while total thiols were significantly decreased (P = 0.002). Rehabilitation was associated with a significant decrease of protein carbonyl (P = 0.03) and oxidized LDL particle concentrations (P = 0.03), as well as GGT activity (P = 0.02). At the hospitalization moment, both GGT and ceruloplasmin were significantly negatively correlated with non-proteic thiols (r = -0.44, P = 0.049, and r = -0.53, P = 0.015, respectively) and significantly positively with protein carbonyls (r = +0.80, P < 0.001, and r = +0.69, P < 0.001, respectively) suggesting putative roles of GGT and ceruloplasmin in the redox imbalance. CONCLUSIONS: These results highlight the existence of a redox imbalance in postacute stroke patients, and the possible benefits of an antioxidant-based therapy for the recovery of these patients.
Bogdan Nicolae Manolescu; M Berteanu; E Oprea; N Chiriac; L Dumitru; S Vladoiu; O Popa; O Ianas
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-5
Journal Detail:
Title:  Annals of clinical biochemistry     Volume:  -     ISSN:  1758-1001     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0324055     Medline TA:  Ann Clin Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Biochemistry, Faculty of Medicine, 020022 Bucharest.
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