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Human breast cyst fluid (BCF) proteins were evaluated by sodium dodecylsulfate polyacrylamide gel electrophoresis (SDS-PAGE) after protein denaturation in the presence or absence of 2-mercaptoethanol. Both electrophoretic techniques yielded characteristic and reproducible banding patterns and achieved a high degree of resolution. The known four major(More)
The concentrations of sodium and potassium and the content of ferritin and transferrin, proteins considered as potential markers for identifying cells undergoing divisional activity, were measured in fluid from 30 human breast cysts. On the basis of the relative electrolyte concentrations, two main classes of cysts were defined. When the cyst fluids were(More)
In order to investigate the diagnostic and/or prognostic value of total activity and isoenzymatic patterns of lactate dehydrogenase, 24 human breast gross cystic fluids were studied. A comparison of total lactate dehydrogenase activity to the serum level revealed an increased activity in about 63% of the cases examined; moreover, a significant increase in(More)
The levels of alpha 1-antitrypsin, transferrin, alkaline phosphatase, phosphohexoseisomerase and gamma-glutamyltransferase were measured in 32 samples of breast cyst fluid, and a wide range of values was obtained. The levels observed in some samples for these parameters, being similar to those of normal serum, might suggest a mechanism of plasma exudation(More)
Benign mammary gross cystic disease is the most common breast lesion. Women with apocrine changes of epithelium lining the cysts are at higher risk for developing breast cancer than the normal female population. Sialic acid has drawn considerable interest because of carbohydrate aberrations in malignant cells. The current investigation determined the(More)
The results of dosage of human chorionic gonadotropin (HCG) in 75 breast cyst fluids taken from 61 patients suffering from breast gross cystic disease (BGCD), 13 of which had multiple mono and/or bilateral cysts are discussed. The corresponding sera were also examined. Assays were carried out using the ELISA method. For comparison, HCG levels were also(More)
Circulating immune complexes, the major classes of immunoglobulins and electrolyte concentrations were measured in sixty-two breast cyst fluids aspirated in women affected by gross cystic breast disease. Two main classes of cysts were defined according to the Na/K ratio. Appreciable levels of immunoglobulins were found in almost all samples examined; 66% of(More)
The evaluation of CEA serum levels and CEA tissue staining is one of the most common parameters used to help in the diagnosis and prognosis of colon-rectum disease. To this aim, an immunohistochemical demonstration of the CEA was carried out with the ABC staining system in sections of normal and diseased colon. 24 patients with polyps of the large(More)
In order to show the accumulation of Cd, Pb, Cu and Zn in smokers, levels of these metals in serum were determined in 108 subjects: 32 non-smokers, 37 average cigarette smokers and 39 heavy cigarette smokers. The analysis was carried out by potentiometric stripping analysis (PSA) with the Tecator "Striptec System". Backward oxidation time of the amalgamated(More)