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J Histochem Cytochem. 2001 Dec;49(12):1573-80.

Immunohistological analysis of glutathione transferase A4 distribution in several human tissues using a specific polyclonal antibody.

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INSERM U456, Détoxication et Réparation Tissulaire, Faculté de Sciences Pharmaceutiques, Université de Rennes 1, France.


We examined the cellular distribution of glutathione transferase A4 (GSTA4) in various human tissues by indirect immunoperoxidase using a specific polyclonal antibody raised in rabbit. This enzyme was localized in hepatocytes, bile duct cells, and vascular endothelial cells in liver, upper layers of keratinocytes and sebaceous and sweat glands in skin, proximal convoluted tubules in kidney, epithelial cells of mucosa and muscle cells in colon, muscle cells in heart, and neurons in brain. Staining was increased in pathological situations such as cirrhosis, UV-irradiated skin, and myocardial infarction and was strongly decreased in hepatocellular carcinoma. These results strongly support the view of a close correlation between cellular GSTA4 localization and the formation of reactive oxygen species in the tissues investigated.

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