Alterations in erythrocyte glutathione metabolism associated with cervical dysplasias and carcinoma in situ.

Basu J, Duttagupta C, Vermund SH, Ahn C, Palan PR, Romney SL
Cancer Invest. 1993 11 (6): 652-9

PMID: 8221197 · DOI:10.3109/07357909309046937

The study was designed to test the hypothesis whether cervical dysplasias of the more severe grades are associated with elevated erythrocyte glutathione levels. Subjects were women who obtained Pap tests and were subsequently found (1) not to have any cervical lesions or (2) to have colposcopically visualized, biopsy-confirmed cervical abnormalities histopathologically diagnosed as mild, moderate, severe dysplasias, or carcinoma in situ (CIS). The erythrocyte levels of reduced glutathione (GSH), oxidized glutathione (GSSG), glutathione reductase (GR), glucose-6-phosphate dehydrogenase (G6PD), and 6-phosphogluconate dehydrogenase (6PGD) were analyzed from coded peripheral venous blood samples. GSH and GR concentrations increased with increasing severity of dysplasia. Exploratory data analysis and multiple pairwise comparisons suggested comparable levels of the glutathione-related variables between these histopathological pairs: (1) mild and moderate dysplasias or (2) severe dysplasia and CIS. We suggest that the changes in erythrocyte glutathione-related indices in conjunction with histopathological diagnosis may have the potential to distinguish between low- and high-grade cervical dysplastic lesions.

MeSH Terms (13)

Carcinoma in Situ Erythrocytes Female Glucosephosphate Dehydrogenase Glutathione Glutathione Disulfide Glutathione Reductase Humans NADP Oxidation-Reduction Phosphogluconate Dehydrogenase Uterine Cervical Dysplasia Uterine Cervical Neoplasms

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