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Licensed Unlicensed Requires Authentication Published by De Gruyter June 1, 2005

Hyperhomocysteinemia and Changed Plasma Thiol Redox Status in Chronic Obstructive Pulmonary Disease

  • Anders Andersson , Jaro Ankerst , Arne Lindgren , Kerstin Larsson and Björn Hultberg

Abstract

Reduced and total homocysteine, cysteine, glutathione and cysteinylglycine in plasma were investigated in 19 patients with chronic obstructive pulmonary disease and in 29 healthy subjects. The purpose was to examine the influence of pro-oxidant activity caused by the lung disease on the metabolism of homocysteine and other plasma thiols. We observed a decreased concentration of reduced glutathione and a decreased ratio of reduced/total glutathione in the patients compared to the healthy individuals, which supports the hypothesis of an association between free radicals and pathogenesis in some lung diseases. We also observed an increased total plasma homocysteine. The influence of a possible extracellular pro-oxidant activity on the concentration of total plasma homocysteine is discussed.

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Published Online: 2005-06-01
Published in Print: 2001-04-09

Copyright © 2001 by Walter de Gruyter GmbH & Co. KG

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