Annette Zierer

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Four selenocysteine-containing proteins (gastrointestinal glutathione peroxidase, plasma glutathione peroxidase, selenoprotein P, and thioredoxin reductase-alpha) are expressed in the colonic mucosa. Because of their antioxidant functions, a protective role in colon carcinogenesis is discussed. The aim of this study was to elucidate an involvement of(More)
The development of an oesophageal adenocarcinoma arising in Barrett's mucosa is associated with a multistep process of genetic lesions that may be triggered by persistent oxidative damage. The glutathione peroxidase isoforms pGPx and GI-GPx, which were identified recently in the mucosa of the esophagus, may play a role as defense factors to prevent such(More)
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