Now showing items 1-10 of 111
Isolation of fungi from nature in the region of Botucatu, state of São Paulo, Brazil, an endemic area of paracoccidioidomycosis
(Memórias do Instituto Oswaldo Cruz, 1996-12-01) [Artigo]
In an attempt to isolate Paracoccidioides brasiliensis from nature 887 samples of soil from Botucatu, SP, Brazil, were collected cultured in brain heart infusion agar supplemented with dextrose, in potato dextrose agar and ...
Medium-term protocols for in vivo evaluation of chemical modifiers of carcinogenesis
(Memórias do Instituto Oswaldo Cruz, 1991-01-01) [Artigo]
Cancer development is a long-term multistep process which allows interventional measure before the clincial disease emerges. the detection of natural substances which can block the process of carcinogenesis is a important ...
Experimental paracoccidioidomycosis in hamster: transmission electron microscopy of inoculation site lesion
(Revista do Instituto de Medicina Tropical de São Paulo, 1994-06-01) [Artigo]
Estudou-se sequencialmente, à microscopia eletrônica de transmissão, a interação entre Paracoccidioides brasiliensis (Pb) e células inflamatórias em hamsters inoculados por via intratesticular. Seis horas após inoculações ...
Frequent p53 mutations and occasional loss of chromosome 4 in invasive bladder carcinoma induced by N-butyl-N-(4-hydroxybutil)nitrosamine in B6D2F1 mice
(Molecular Carcinogenesis, 1998-03-16) [Artigo]
B6D2F1 mice (45/group) were treated with N-butyl-N-(4- hydroxybutyl)nitrosamine (BBN) or uracil as follows: Group 1 received 0.05% BBN in drinking water for the entire experiment, Group 2 received 5 mg of BBN by gastric ...
Comparison of uroplakin expression during urothelial carcinogenesis induced by N-butyl-N-(4-hydroxybutyl)nitrosamine in rats and mice
(Toxicologic Pathology, 1999-12-08) [Artigo]
The expression of uroplakins, the tissue-specific and differentiation- dependent membrane proteins of the urothelium, was analyzed immunohistochemically in N butyl-N-(4-hydroxybutyl)nitrosamine (BBN)-treated rats and mice ...
AIDS-related lymphoma in Brazil - Histopathology, immunophenotype, and association with Epstein-Barr virus
(American Journal of Clinical Pathology, 1996-02-01) [Artigo]
The occurrence of malignant lymphoma is an increasingly important cause of morbidity and mortality in AIDS patients. The incidence of AIDS-related lymphoma in some developing countries such as Brazil is increasing as the ...
Poorly differentiated carcinoma (insular carcinoma) of the thyroid diagnosed by fine needle aspiration (FNA)
(Cytopathology, 1996-02-01) [Artigo]
Autopsy: quality assurance in the ICU
(Intensive Care Medicine, 1999-04-01) [Artigo]
Objective: To examine the correlation between the clinical diagnosis and autopsy findings in adult patients who died in an intensive care unit (ICU). To determine the rate of agreement of the basic and terminal causes of ...
NEUROENDOCRINE (MERKEL-CELL) CARCINOMA OF THE SKIN - IMMUNOCYTOCHEMICAL AND CYTOMORPHOLOGIC ANALYSIS ON FINE-NEEDLE ASPIRATES
(Diagnostic Cytopathology, 1990-01-01) [Artigo]
Radioprotection of beta-carotene evaluated on mouse somatic and germ cells
(Mutation Research: Fundamental and Molecular Mechanisms of Mutagenesis, 1996-09-23) [Artigo]
In the present paper, the protective effect of beta-carotene was evaluated after whole body exposure of mice to 2 Gy of X-rays. Splenocytes, reticulocytes, bone marrow cells and spermatids were evaluated for the frequency ...