Antioxidant factors, nitric oxide levels, and cellular damage in leprosy patients

Autor: Taysa Ribeiro Schalcher, Jose Luiz Fernandes Vieira, Claudio Guedes Salgado, Rosivaldo dos Santos Borges, Marta Chagas Monteiro
Jazyk: angličtina
Rok vydání: 2013
Předmět:
Zdroj: Revista da Sociedade Brasileira de Medicina Tropical, Vol 46, Iss 5, Pp 645-649 (2013)
Druh dokumentu: article
ISSN: 1678-9849
0037-8682
DOI: 10.1590/0037-8682-1506-2013
Popis: Introduction The immune response caused by Mycobacterium leprae is a risk factor for the development of oxidative stress (OS) in leprosy patients. This study aimed to assess OS in leprosy patients before the use of a multidrug therapy. Methods We evaluated the nitric oxide (NO) concentration; antioxidant capacity; levels of malondialdehyde, methemoglobin and reduced glutathione; and the activity of catalase and superoxide dismutase (SOD) in leprosy patients. Results We observed lower SOD activity in these leprosy patients; however, the NO levels and antioxidant capacity were increased. Conclusions The infectious process in response to M. leprae could primarily be responsible for the OS observed in these patients.
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