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Mostrando ítems 1-20 de 292

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Bioquímica da esquistossomose mansônica V – Atividade mitocondrial em fígados e rins de sagüis (Callitrix penicillata) infestados pelo Schistosoma mansoni

Rodrigues, Luiz Erlon Araujo; Costa, Maria de Fátima Dias; Nascimento, Roberto José Meyer; Miráglia, Túlio (1983-04)

Foram estudadas mitocôndrias isoladas de fígados e rins de sagüis (Callitrix penicillata) infestados pela inoculação de 200 cercárias e entre 80 e 100 dias de infecção, nos aspectos relativos às suas atividades respiratórias ...
Bioquímica da esquistossomose mansônica: envolvimento dos siderossomos nos processos inflamatórios hepáticos

Rodrigues, Luiz Erlon Araújo; Galle, Pierre (Revista da Sociedade Brasileira de Medicina Tropical, 1990)

Os processos inflamatórios que se desenvolvem durante as etapas avançadas da esquistossomose mansônica hepática foram relacionados, com o acúmulo de siderossomos, a capacidade dos íons ferrosos/férricos de desencadearem a ...
Participation of the ascending serotonergic system in the stimulation of atrial natriuretic peptide release

Reis, L. C.; Ramalho, Maria José Pedreira; Favaretto, A. L. V.; Gutkowska, Jolanta; Mccann, Samuel M.; Rodrigues, José Antunes (1994)

Results obtained in our laboratories have provided evidence for the participation of the hypothalamic atrial natriuretic peptide (ANP) neuronal system in the regulation of water and electrolyte homeostasis. The anterior ventral ...
Acute effect of intracerebroventricular administration of lead on the drinking behavior of rats induced by dehydration or central cholinergic and angiotensinergic stimulation

Fregoneze, J. B.; Cunha, M.; Bulcão, C.; Ferreira, H.; Silva, E. de Castro e (1994)

In the present paper, the acute effect of third ventricle injections of lead acetate (5, 10, 100, 1000 ng/rat) on the drinking behavior of adult, male, Wistar rats was investigated. Lead generates a prompt and significant ...
Lysotypes and plasmidial profile of Salmonella Serovar Typhimurium isolated from children with enteric processes in the cities of Rio de Janeiro, RJ, and Salvador, BA - Brazil

Asensi, Marise Dutra; Costa, Arudy Penna; Reis, Eliane Moura Falavina dos; Hofer, Ernesto (1995)

The lysotypes, plasmidial profiles, and profiles of resistance to antimicrobial agents were determined in 111 Salmonella Typhimurium strains isolated from feces and blood of children treated in Rio de Janeiro and in Salvador. ...
Oxytocin mediates atrial natriuretic peptide release and natriuresis after volume expansion in the rat

Haanwinckel, M. A.; Elias, L. K.; Favaretto, A. L. V.; Gutkowska, J.; Mccann, S. M. (Proc. Natl. Acad. Sci. USA, 1995)

Our previous studies have shown that stimulation of the anterior ventral third ventricular region increases atrial natriuretic peptide (ANP) release, whereas lesions of this structure, the median eminence, or removal of the ...
Effect of central acute administration of cadmium on drinking behavior

Silva, E. de Castro E; Ferreira, H.; Cunha, M.; Bulcão, C.; Sarmento, Clarissa; Oliveira, I. de; Fregoneze, J. B. (1996)

The effect of acute third ventricle cadmium administration on the drinking behavior of adult male rats under different situations was studied. Injections of cadmium chloride (0.07, 0.7, and 7.0 ng/rat) significantly ...
Risperidone versus haloperidol in the treatment of schizophrenia: a meta-analysis comparing their efficacy and safety

Oliveira, I. R. de; Sena, E. P. de; Pereira, E. L. A.; Ribeiro, M. G.; Silva, E. de Castro e; Bacaltchuk, J. (1996)

The aim of this study was to compare the shortterm clinical efficacy and safety of risperidone with haloperidol and placebo. A meta-analysis of seven published randomized double-blind controlled trials was carried out. ...
The public and domestic domains in the transmission of disease

Cairncross, Sandy; Blumenthal, Ursula; Kolsky, Peter; Moraes, Luiz; Tayeh, Ahmed (1996)

This paper discusses the distinction between the transmission of infectious diseases within the domestic domain (the area normally occupied by and under the control of a household) and that in the public domain, which ...
Effect of third ventricle administration of L-694,247, a selective 5-HT1(D) receptor agonist, on water intake in rats

Silva, E. de Castro e; Sarmento, Clarissa; Nascimento, T. A.; Luz, C. P.; Soares, T.; Marinho, C. A.; Cunha, M.; Bulcão, C.; Oliveira, I. R. de; Fregoneze, J. B. (1997)

DE CASTRO-E-SILVA, E., C. SARMENTO, T. A. NASCIMENTO, C. P. LUZ, T. SOARES, C. A. MARINHO, M. CUNHA, C. BULCÃO, I. R. DE OLIVEIRA AND J. B. FREGONEZE. Effect of third ventricle administration of L-694,247, a selective ...
Cohort study on canine emigration and leishmania infection in an endemic area for american visceral leishmaniasis. Implications for the disease control

Silva, M. Paranhos; Nascimento, E. G.; Melro, M. C. B. F.; Oliveira, G. G. S.; Santos, Washington Luis Conrado dos; Carvalho, Lain Carlos Pontes de; Santos, A. J. Oliveira dos (1998)

American visceral leishmaniasis is a main public health matter in Brazil. Since dogs have been incriminated as the main urban reservoir of AVL agent Leishmania chagasi, a cohort study aimed at understanding the dynamics ...
Cohort study on canine emigration and leishmania infection in an endemic area for american visceral leishmaniasis. Implications for the disease control

Silva, M. Paranhos; Nascimento, E. G.; Melro, M. C. B. F.; Oliveira, G. G. S.; Santos, Washington Luis Conrado dos; Carvalho, Lain Carlos Pontes de; Santos, A. J. Oliveira dos (Acta Tropica, 1998)

American visceral leishmaniasis is a main public health matter in Brazil. Since dogs have been incriminated as the main urban reservoir of AVL agent Leishmania chagasi, a cohort study aimed at understanding the dynamics ...
Dietary antioxidant deficiency facilitates cortical spreading depression induced by photoactivated riboflavin

El-Bachá, Ramon dos Santos; Lima Filho, José L. de; Guedes, Rubem C. A. (Overseas Publishers Association, 1998)

It is known that the photoactivation of riboflavin produces superoxide radicals. We investigated the ability of this process to elicit spreading depression (SD) in the cerebral cortex of adult rats receiving either a normal ...
Comparison between enzyme-linked immunosorbent assay, indirect fluorescent antibody and rapid conglutination tests in detecting antibodies against Babesia bovis

Araújo, F. R.; Madruga, C. R.; Leal, C. R. B.; Schenk, M. A. M.; Kessler, R. H.; Marques, A. P. C.; Lemaire, Denise Carneiro (1998)

The performance of an enzyme-linked immunosorbent assay (ELISA), an indirect fluorescent antibody test (IFAT) and a rapid conglutination test (RCT) for the detection of antibodies against Babesia bovis, was evaluated with ...
Opiatergic participation in the thirst-inhibiting effect of acute third ventricle injections of cadmium (Cd2+) and lead (Pb2+)

Silva, E. de Castro e; Luz, C. P.; Sarmento, Clarissa; Nascimento, T.; Gonzalez, V.; Marinho, C. A.; Castro, L.; Oliveira, P.; Santana Jr., P.; Oliveira, I. R. de; Paula, S. de; Lima, A. K. S.; Fregoneze, J. B. (1998)

We have previously demonstrated that acute third ventricle injections of both lead and cadmium prevent the dipsogenic response elicited by dehydration or by central injections of dipsogenic agents such as angiotensin II, ...
Quantificação das substâncias fenólicas totais em órgãos da aroeira Schinus Terebenthifolius (RADDI)

Queires, Luís Carlos Soares; Rodrigues, Luiz Erlon Araujo (Tecpar, 1998)

The "aroeira" (Schinus terebenthifolius, RADDI), known as a toxic plant is actually very used in popular medicine, mainly in the treatment of general inflammatory processes. Many of its properties or of its curative effects ...
Mechanisms of apomorphine cytotoxicity towards rat glioma C6 cells: protection by bovine serum albumin and formation of apomorphine-protein conjugates

El-Bachá, Ramon dos Santos; Netter, Patrick; Minn, A. (Elsevier, 1999)

Apomorphine cytotoxicity towards rat glioma C6 cells was recently demonstrated to be time- and concentration-dependent. In the present work, the mechanism of cytotoxicity of apomorphine was further studied in the C6 cell ...
Drug metabolizing enzymes in cerebrovascular endothelial cells afford a metabolic protection to the brain

El-Bachá, Ramon dos Santos; Minn, Alain (C.M.B.-Association, 1999)

The brain is partially protected from chemical insults by a physical barrier mainly formed by the cerebral microvasculature, which prevents penetration of hydrophilic molecules in the cerebral extracellular space. This ...
Central lead administration inhibits water intake and sodium appetite in rats

Silva, E. J. de Castro e; Castro, L.; Luz, C. P.; Ferreira, H.; Lima, A. K. S.; Souza, F. S. F.; Maldonado, I. (1999)

We have demonstrated that acute third ventricle injections of lead acetate (PbAc) exert a powerful antidipsogenic effect and induce a significant increase in renal sodium excretion. In the present study we confirm the ...
Implementation of a HACCP system for on-site hospital preparation of infant formula

Almeida, Rogeria Comastri de Castro; Matos, C. O.; Almeida, Paulo Fernando de (Elsevier, 1999-06)

Hazard Analysis and Critical Control Point (HACCP) system was introduced to infant formula preparation rooms in four hospitals in Salvador, Bahia, Brazil. The homogenization of powdered milk and ingredients, refrigeration ...

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