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One hundred fifty-four axillary lymph node-negative invasive ductal carcinomas of the breast were immunohistochemically evaluated for the expression of cathepsin D. Formalin-fixed paraffin sections of each tumor were stained using a polyclonal antibody raised against recombinant procathepsin D. Cathepsin D content of tumor cells and host histiocytes and(More)
Experiments on Xanthium leaf discs were carried out to determine whether concomitant photoreactivation could be detected and if so, to compare its effects with photoreactivation due to post-irradiation treatments. Attempts mere made to simulate certain intensities of unfiltered solar radiation. A small but definite amount of simultaneous reactivation was(More)
Large-scale analysis of gene expression using cDNA microarrays promises the rapid detection of the mode of toxicity for drugs and other chemicals. cDNA microarrays were used to examine chemically induced alterations of gene expression in HepG2 cells exposed to a diverse group of toxicants at an equitoxic exposure concentration. The treatments were ouabain(More)
Although Giemsa staining has been routinely used for the detection of trophozoites and intracystic bodies in smears of bronchoalveolar lavage fluid (BAL) from patients with Pneumocystis carinii pneumonia, it does not normally stain the cyst wall. For detection of the cysts other stains such as toluidine Blue 'O' and methenamine silver must be used as well.(More)
22 male American and 24 male French college students' knowledge of AIDS scores were equivalent on a currently constructed 18-item questionnaire. Both groups answered more than 75% of the questions correctly. The American students' homophobic bias and reaction scores were higher than those of the French students on a 43-item homophobic questionnaire. The(More)
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