PAI-1 Expressa no Infiltrado Inflamatório Intratumoral em Pacientes com Carcinoma Epidermoide de Cavidade Oral

PAI-1 Expressa no Infiltrado Inflamatório Intratumoral em Pacientes com Carcinoma Epidermoide de Cavidade Ora

Macromineral requirements by beef cattle under pasture supplementation.

The objective of this work was to determine macromineral requirements by Zebu steers grazing Brachiaria decumbens supplemented with concentrate. It was used 24 non-castrated steers, at an average age of 7 months and at initial average weight 180 kg. Eight control animals were slaughtered for determining initial body composition. The 16 remaining animals were divided in four four-animal plots, in a complete random design. Each plot received mineral mixture or supplements at the levels 0.75; 1.50 or 2.25 kg/animal/day. The right half-carcass of eight animals, two per group, was dissected in muscle, fat and bones and all body constituents were weighted for determination of empty body weight and body composition. Net requirements of calcium and phosphorus for an animal at 400 kg body weight were 11.13 g and 5.40 g, respectively. To estimate dietary requirements of maintenance and after, sum them to dietary requirements for gain in order to obtain total dietary requirements, it was adopted endogenous losses and bioavailability present in literature for each mineral macroelement. Total dietary requirement for calcium, phosphorus, magnesium, sodium and potassium for a 400-kg BW animal with 1.0-kg daily weight gain were 34.59; 17.36; 7.82; 5.19 and 41.11 g/day, respectively. Macromineral requirements by beef cattle under pasture supplementation are similar to those recommended by BR-Corte for beef cattle in feedlots

Haematological assessment of four amazonian ornamental armoured catfish (Teleostei, Loricariidae).

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Physical activity during pregnancy and its effects on fetal parameters in the second trimester

The physical activity (PA) during pregnancy still remains controversial due to the risk and protective effects on the fetal parameters (cephalic perimeter, abdominal perimeter, femur length and fetal weight). The American College of Sports Medicine (ACSM) recommends that pregnant women do, at least, 150 weekly minutes of moderate PA during a week (WK). This study aimed to (1) verify the relation between the accomplishment of ACSM guidelines PA and the maternal individual characteristics; (2) verify the relation between accomplishment of these guidelines and the fetal parameters in the second trimester. Prospective study was conducted at Hospital S. João, with a sample of 137 pregnant women. Socio-demographic characteristics and lifestyle factors were assessed via questionnaire. PA was assessed by accelerometry (used for 7 consecutive days) in the second trimester (20–22 weeks). The fetal parameters were assessed by ultrasound between the 20th and 22nd gestational week, always by the same medical. No relation was found between the participants’ individual characteristics and the accomplishment of the ACSM’s recommendations, with p-value for all the variables being >0.05. There is no difference between the fetal parameters in the second trimester of the women who follow the recommendations (p>0.05). The pregnant women’s individual characteristics were not related with the accomplishment of the ACSM’s recommendations. Any relation between the recommendations accomplishment and the fetal parameters in the second trimester was not found and no negative influence was found in the same parameters.info:eu-repo/semantics/publishedVersio

Teste "in vitro" do óleo essencial de Ocimum gratissimum no controle de Trichodina sp.

Esse estudo objetivou determinar a eficiência da utilização de O. gratissimum no controle "in vitro" de Trichodina sp

Estudos "in vitro" dos níveis de resistência do Plasmodium falciparum a drogas, de 1983 a 1986

Drug resistance tests were performed with 171 strains of P. falciparum obtained from the Amazon Region, using chloroquine, mefloquine, amodiaquine and quinine. Tests lasted about 24 hours and the drug solutions were prepared just before use. Results show high percentage of resistance to chloroquine (83%) whereas nearly all strains were shown to be sensitive to mefloquine (97.7%). For both amodiaquine and quinine sensitivities were of 51.0% and 56.5% respectively. The present study demonstrates that resistance to mefloquine may be starting in Tucuruí, Pará.Foram realizados 171 testes de sensibilidade (microtécnica) com cepas de Plasmodium falciparum da Região Amazônica brasileira para cloroquina, mefloquina, amodiaquina e quinino. Os testes tiveram duração de 24 horas com as drogas preparadas na hora da realização de cada teste. Os resultados mostraram elevada resistência a cloroquina (83%) e sensibilidade em quase a totalidade das amostras testadas para mefloquina (97,7%). Para amodiaquina e quinino observou-se sensibilidade em 51,0% e 56,5% das cepas, respectivamente. Este estudo demonstra a emergência de um possível foco de resistência do Plasmodium falciparum a mefloquina, em Tucuruí