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Search Results: 1 - 10 of 83298 matches for " Henrique Borges da Silva "
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Germination and Vigor of Fodder Fabacceae Seeds Submitted to in Vitro and in Situ Incubation  [PDF]
Renata Vianna Lima, Henrique Duarte Vieira, Tatiana Oliveira da Silva, Norberto da Silva Rocha, Bruno Borges Deminicis
American Journal of Plant Sciences (AJPS) , 2015, DOI: 10.4236/ajps.2015.614235
Abstract: The current study was developed with the purpose to evaluate the germination and the vigor of Kudzu (Pueraria phaseoloides), Leucaena (Leucaena leucocephala) and Calopog?nio seeds (Calopogonium mucunoides) submitted to 0, 6, 12, 24, 48, 72 and 96 hours of testing to natural (in situ incubation) and simulated conditions (in vitro incubation) from the ruminal environment of bovines. For each period of in situ and in vitro incubation, in each kind of seed, the percentage of normal plants was evaluated, as well as abnormal plants, hard seeds, soaked seeds and dead seeds, besides the index of germination speed (IGS). The results were submitted to the Duncan test at a 5% probability. Higher percentages of normal plants were verified in the Kudzu and in the Leucaena kinds, when the seeds were submitted to in situ incubation, as well as the IGS for the three forage species. The Calopog?nio seeds did not turn out to be susceptible of use in the in situ and in vitro incubations. The in vitro incubation revealed to be more harmful to the seeds of the three species used.
Teste de tetrazólio para avalia??o da qualidade de sementes de Clitorea ternatea L.
Deminicis, Bruno Borges;Vieira, Henrique Duarte;Silva, Roberto Ferreira da;
Revista Brasileira de Sementes , 2009, DOI: 10.1590/S0101-31222009000200006
Abstract: this research verified different methods of pre-conditioning and concentrations of tetrazolium solutions for quality evaluation of butterfly pea seed. seeds collected in seropédica county (rj) e fortaleza county (ce) were submitted to the following methods of pre-conditioning: a) scarification with sandpaper and immersion in water at 25oc for 14 hours; and b) immersion in water at 95oc and left in the same water to rest without heating for 24 hours at 25oc. the teguments of the seeds were removed and the seeds were immerged in 0,1; 0,3 e 1% tetrazolium solution during 2 hours and 30 minutes at 25oc. to verify the reliability of the results through the tetrazolium test, germination test, first counting and index of germination velocity were done. scarification with sadpaper and immersion in water at 25oc for 14 hours were the most efficient in pre-conditioning butterfly pea seeds and 0,3% tetrazolium solution for 2 hours and 30 minutes at 25oc allow evaluating seeds of this species.
Unlike the synchronous Plasmodium falciparum and P. chabaudi infection, the P. berghei and P. yoelii asynchronous infections are not affected by melatonin
Piero Bagnaresi,Eduardo Alves,Henrique Borges da Silva,Sabrina Epiphanio
International Journal of General Medicine , 2009,
Abstract: Piero Bagnaresi1, Eduardo Alves1, Henrique Borges da Silva1, Sabrina Epiphanio2, Maria M Mota2, Célia RS Garcia11Departamento de Fisiologia, Instituto de Biociências, Universidade de S o Paulo, S o Paulo, Brazil; 2Unidade de Malária, Instituto de Medicina Molecular, Universidade de Lisboa, Lisboa, PortugalAbstract: We have previously reported that Plasmodium chabaudi and P. falciparum sense the hormone melatonin and this could be responsible for the synchrony of malaria infection. In P. chabaudi and P. falciparum, melatonin induces calcium release from internal stores, and this response is abolished by U73122, a phospholipase C inhibitor, and luzindole, a melatoninreceptor competitive antagonist. Here we show that, in vitro, melatonin is not able to modulate cell cycle, nor to elicit an elevation in intracellular calcium concentration of the intraerythrocytic forms of P. berghei or P. yoelii, two rodent parasites that show an asynchrononous development in vivo. Interestingly, melatonin and its receptor do not seem to play a role during hepatic infection by P. berghei sporozoites either. These data strengthen the hypothesis that hostderived melatonin does not synchronize malaria infection caused by P. berghei and P. yoelii. Moreover, these data explain why infections by these parasites are asynchronous, contrary to what is observed in P. falciparum and P. chabaudi infections.Keywords: malaria, calcium, melatonin, cell cycle, rhythm, sporozoite
Psychological variables and physical exercise in patients with rheumatoid arthritis Altera es psicológicas e exercício físico em pacientes com artrite reumatóide
Amabile Borges Dario,Wladymir Külkamp,Henrique Cabral Faraco,Monique da Silva Gevaerd
Motricidade , 2010, DOI: 10.6063/motricidade.6(3).142
Abstract: The purpose of this study was to provide a literature review aiming to clarify the most prevalent psychological changes present in individuals suffering from rheumatoid arthritis (RA), the impact of exercise on such changes, and the exercise protocols commonly adopted to improve these individuals' mental health. The few studies available report anxiety disorders and depression as most prevalent and physical exercise as a significant therapeutic strategy for this population. There is some evidence of the beneficial effects of exercise on those psychological variables providing RA patients with more effective treatments. Este estudo teve por objetivo realizar uma revis o da literatura, buscando elucidar quais as altera es psicológicas mais prevalentes em indivíduos acometidos por Artrite Reumatóide (AR). Pesquisou-se também a respeito do impacto do exercício físico sobre essas variáveis psicológicas, expondo quais protocolos de exercício que est o sendo empregues com a finalidade de melhorar a saúde mental desses pacientes. Apesar dos poucos estudos sobre o tema, pode-se verificar que os transtornos de ansiedade e de depress o apresentam maior prevalência nessa popula o. Em contraste, poucas evidências foram encontradas quanto ao maior risco de psicose, agressividade e alto nível de estresse. Paralelamente, desde que foi associado à AR pela primeira vez, na década de 50, o exercício físico vem demonstrando bons resultados no tratamento da doen a, consolidando-se cada vez mais como ferramenta terapêutica para esses pacientes. Evidências emergem também em rela o às altera es benéficas provocadas pelo exercício nas variáveis psicológicas, no entanto, mais estudos s o necessários para o fortalecimento destes dados. Isso permitiria aos pacientes com AR tratamentos mais efetivos, com uma base científica sólida, visando a melhoria na qualidade de vida dentro de um aspecto mais amplo, onde a saúde mental desempenha um papel fundamental.
Adhesive cards for monitoring flying insects in a neonatal intensive care unit in a hospital in the Triangulo Mineiro – Minas Gerais – Brazil
Afonso Pelli,Adriana Gon?alves Oliveira,Paulo Roberto da Silva,Henrique Borges Kappel
Biotemas , 2012,
Abstract: Using adhesive colored cards, 1,016 flying insects were captured in a neonatal intensive care unit of a hospital. Homoptera were the most common (84.7%), and attraction based on card color was demonstrated. Insects are mechanical vectors of pathogens, and this work demonstrates the necessity and the relevance of insect control in hospital environments.
Germination, Vigor of Seeds and Emergence of Fabaceae Seedling in Bovine Faeces  [PDF]
Renata Vianna Lima, Henrique Duarte Vieira, Francielle de Souza Guimar?es, Nardele Moreno Rohem Jr., Tatiana Oliveira da Silva, Alberto Magno Fernandes, Cynthia Pires Guimar?es, Amanda Justino Acha, Bruno Borges Deminicis
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.514230
Abstract:

This study was conducted to evaluate the physiological quality of forage seeds after passage through the gastrointestinal tract of cattle, as well as the emergence of seedlings derived from these seeds. Three Fabaceae species were used: tropical kudzu, leucaena and calopo. One hundred grams of seeds of each species were offered, separately, to five bovines. After the start of the dispersion, the faeces of the animals were collected every 6 hours, in a total of 72 hours, being taken to the greenhouse immediately after each collection. The study evaluated the total number of seedlings in the stool, the lengths of roots and aerial parts, as well as the natural and dry seedling weight thirty days after the disposal of the faeces in the greenhouse. The experimental design consisted of randomized blocks, with twelve treatments (sampling periods) and five replications (cattle). The best performance for the total number of seedlings in the faeces of cattle was observed in the kudzu species. The length of the root, length of the aerial part and dry matter seedling weight was observed in the leucaena species, followed by kudzu. The calopo showed low results for all variables due to the high degradation of the seeds.

Sarcoidose cutanea sobre cicatrizes: relato de caso
Mantese, S?nia Antunes de Oliveira;Berbert, Alceu Luiz Camargo Villela;Cesário, Thaís Silveira;Silva, Henrique Borges da;
Anais Brasileiros de Dermatologia , 2010, DOI: 10.1590/S0365-05962010000600021
Abstract: sarcoidosis is a systemic inflammatory disorder of unknown origin, in which non-caseating granulomas (small inflammatory nodules) are found in the affected organs. cutaneous involvement occurs in 25% of cases with a wide range of clinical presentation. the onset of scars is unsual although clinically characteristic of cutaneous sarcoidosis. most patients with scar sarcoidosis have a systemic disease. it is reported the case of a 65 year-old woman that developed scar nodules 20 years after she had had surgical procedures without systemic manifestations. it is worth mentioning the importance of investigating sarcoidosis with inflammatory alterations in praevia scars.
Comportamento de bovinos e bubalinos em regime de confinamento: I. atividades
Polli, Volmir Antonio;Restle, Jo?o;Senna, Dilceu Borges;Rosa, Carlos Eduardo;Aguirre, Luiz Fernando;Silva, José Henrique Souza da;
Ciência Rural , 1995, DOI: 10.1590/S0103-84781995000100024
Abstract: the study was conducted at the ufsm with the purpose to verity the differences of behavior between 12 bovine (polled hereford) and 12 bubaline (mediterranean) long - yearling steers. the feedlot area was partialy covered and the animals were distributed in 8 pens with 50m2 (three animals per pen), were they had free access to water, food and mineral mixture. the access to the feeding trough was 90cm/animal. the roughage (fresh chopped sugar cane or com silage) constituted 70% of the dry matter offered and the remaining of the diet was completed with concentrate. food was provided twice daily, ad libitum. the steers were identified with ink numbers and observed during 4 periods of 24h, in august. the observations were made from a 6m high tower, with 5 minutes intervals. the interaction between species and source of roughage was significant (p < 0.05) for the time that animals remained laying down or standing during the 24 hours, and for the time that animals were ruminating while they were laying down in the diurnal period. the time that animals spent eating was similar (p > 0.05) for the two species (21.7 for the bovino and 20.1 % for the bubaline). in leisure, the bovino remained during 40.7% of the time, against 44.3% for the bubaline (p < 0.05). the time that animals spent ruminating was similar (p > 0.05) for bovine (35.3%) and bubaline (34.2%). in average the two species drank water four times during the 24 hours period. on the trough with salt + bone meal mixture the bovine spent 0.8% of the time and the bubaline 0.3% (p < 0.001). the source of roughage did not affect the main activities.
Efeitos do tamoxifeno e dos estrogênios conjugados no epitélio mamário de ratas em estro permanente
Silva, Benedito Borges da;Gebrim, Luiz Henrique;Sim?es, Manuel de Jesus;Baracat, Edmund Chada;Lima, Geraldo Rodrigues de;
Revista Brasileira de Ginecologia e Obstetrícia , 2000, DOI: 10.1590/S0100-72032000000100006
Abstract: purpose: to evaluate the morphologic and morphometric alterations produced by tamoxifen and conjugated estrogens in the mammary epithelium of rats in persistent estrus. methods: thirty-three adult female rats in persistent estrus induced with 1.25 mg testosterone propionate were divided at random into three groups: gi ? which received only water, control group (n = 12); gii ? treated with 500 mg tamoxifen daily (n = 10); giii ? treated with 30 mg conjugated estrogens per day (n = 11). the first inguinal-abdominal pair of mammary glands of the animals was extirpated and processed for morphologic and morphometric study. data were analyzed statistically by the kruskal-wallis rank analysis of variance (p < 0.05). results: the morphologic study revealed signs of epithelial atrophy and the morphometric study showed a statistically significant reduction in the mean number of ducts and alveoli in groups ii (10.1 and 1.9, respectively) and iii (11.1 and 3.5, respectively) compared to group i (25.0 and 6.6, respectively). there was no significant difference between groups ii and iii. conclusions: the results of this study indicate that tamoxifen as well as conjugated estrogens at the tested doses produced mammary epithelial atrophy in rats in persistent estrus.
Unlike the synchronous Plasmodium falciparum and P. chabaudi infection, the P. berghei and P. yoelii asynchronous infections are not affected by melatonin
Piero Bagnaresi, Eduardo Alves, Henrique Borges da Silva, Sabrina Epiphanio, Maria M Mota, Célia RS Garcia
International Journal of General Medicine , 2009, DOI: http://dx.doi.org/10.2147/IJGM.S3699
Abstract: like the synchronous Plasmodium falciparum and P. chabaudi infection, the P. berghei and P. yoelii asynchronous infections are not affected by melatonin Original Research (3714) Total Article Views Authors: Piero Bagnaresi, Eduardo Alves, Henrique Borges da Silva, Sabrina Epiphanio, Maria M Mota, Célia RS Garcia Published Date April 2009 Volume 2009:2 Pages 47 - 55 DOI: http://dx.doi.org/10.2147/IJGM.S3699 Piero Bagnaresi1, Eduardo Alves1, Henrique Borges da Silva1, Sabrina Epiphanio2, Maria M Mota2, Célia RS Garcia1 1Departamento de Fisiologia, Instituto de Biociências, Universidade de S o Paulo, S o Paulo, Brazil; 2Unidade de Malária, Instituto de Medicina Molecular, Universidade de Lisboa, Lisboa, Portugal Abstract: We have previously reported that Plasmodium chabaudi and P. falciparum sense the hormone melatonin and this could be responsible for the synchrony of malaria infection. In P. chabaudi and P. falciparum, melatonin induces calcium release from internal stores, and this response is abolished by U73122, a phospholipase C inhibitor, and luzindole, a melatoninreceptor competitive antagonist. Here we show that, in vitro, melatonin is not able to modulate cell cycle, nor to elicit an elevation in intracellular calcium concentration of the intraerythrocytic forms of P. berghei or P. yoelii, two rodent parasites that show an asynchrononous development in vivo. Interestingly, melatonin and its receptor do not seem to play a role during hepatic infection by P. berghei sporozoites either. These data strengthen the hypothesis that hostderived melatonin does not synchronize malaria infection caused by P. berghei and P. yoelii. Moreover, these data explain why infections by these parasites are asynchronous, contrary to what is observed in P. falciparum and P. chabaudi infections.
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