Enzyme activities and level of SH groups in breast carcinomas |
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Institution: | 1. Department of Cell Biology, Maria Curie-Sk?odowska University, 20-033 Lublin, Poland;2. Oncology Hospital, Lublin, Poland |
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Abstract: | - 1.1. The carcinoma showed higher enzyme activities than the normal mammary tissue.
- 2.2. The ratios of glutamate dehydrogenase, glutathione reductase and catalase to lactate dehydrogenase were lower in carcinomas than in normal tissues. Similarly, the ratios of glutamate dehydrogenase, glutathione reductase and catalase to glucose-6-phosphate dehydrogenase were also significantly lower in carcinomas.
- 3.3. There were no significant differences in enzyme activities between stages I and II of disease, however in the metastatic tissues, there were significant differences between stages I and II.
- 4.4. SH groups were higher in the tissues of cancer patients than in normal tissues. The levels of thiols groups were higher in carcinomas at stage III of disease.
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