Influence of the Use of Statin on the Stability of Erythrocyte Membranes in Multiple Sclerosis |
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Authors: | Mariana Vaini de Freitas Marcela Ramos de Oliveira Diogo Fernandes dos Santos Rita de Cássia Mascarenhas Netto Sheila Bernardino Fenelon Nilson Penha-Silva |
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Institution: | 1. Instituto de Genética e Bioquímica, Universidade Federal de Uberlandia, Av. Pará, 1720, Uberlandia, MG, 38400-902, Brazil 2. Faculdade de Medicina, Universidade Federal de Uberlandia, Av. Pará, 1720, Uberlandia, MG, 38400-902, Brazil
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Abstract: | Multiple sclerosis (MS) probably occurs by oxidative, inflammatory and autoimmune mechanisms. This study investigated the influence of statin on the stability of erythrocyte membranes in MS patients. The population was composed of one group with simvastatin therapy (20 mg/day), another group without statin therapy and a healthy control group. The stability of erythrocytes was evaluated by the half-transition points, H50 and D50, obtained from the curves of hemolysis induced by hypotonic shock and ethanol action, respectively. Erythrocytes of MS patients were less stable against lysis by both chaotropes. This behavior may be merely a consequence of the lifestyle of MS patients or it may be intrinsically associated with the conjunct of factors responsible for the development of the disease. The use of statin by MS patients was associated with lower levels of LDL and total cholesterol, as expected, and with higher stability of erythrocytes against ethanol compared to the values of untreated MS patients. |
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