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Production of reactive oxygen (H2O2) and nitrogen (NO) intermediates and TNF-α in mice genetically selected for high (H) and low (L) antibody response and experimentally infected with Leptospira serovar pomona BJM
Haanwinckel,Maria Cristina Santos; Oliveira,Silvio Luis de.
The aim of the present study was to evaluate the activity of macrophages, and the production of TNF-α and antibodies against experimental infection by Leptospira serovar Pomona in mice genetically selected for High (H) or Low (L) humoral immune response. To evaluate macrophagic activity, peritoneal and splenic lavages were performed for determination of oxygen (H2O2) and nitrogen (NO) intermediates. The production of the tumor necrosis factor (TNF-α) was investigated through bioassays in serum and homogenates of splenic and hepatic cells of control and infected animals, as was as specific antibodies production. The immune response against serovar Pomona in those lines, was characterized by high antibody production, especially in later periods of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immunological aspects; Biozzi mice; Leptospira; Macrophages; Cytokines.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000200041
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Chemical characteristics of pequi fruits (Caryocar brasiliense Camb.) native of three municipalities in the State of Goiás - Brazil Ciênc. Tecnol. Aliment.
Mariano-da-Silva,Samuel; Brait,Joys Dias de Assis; Faria,Francys Pimenta de; Silva,Sueli Maria da; Oliveira,Silvio Luis de; Braga,Paula Fernanda; Mariano-da-Silva,Fabiana Maria de Siqueira.
In order to assure that the use of cerrado fruits occur in a sustainable way, studies to investigate their characteristics are extremely relevant. In this context, the present study aims to describe some chemical parameters of pequi fruits picked in three municipalities in southwestern Goiás State (Jataí, Rio Verde, and Serranópolis). In each city, two populations of pequi trees - pequizeiros, denominated areas, were selected. In each area, eight trees were selected for the fruit to be picked. The contents of phosphorus, potassium, calcium, magnesium, nitrogen, zinc, and ether extract were determined in the samples. The results demonstrate differences between the chemical characteristics studied for the fruits picked in different areas, which does not seem...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pequi; Caryocar brasiliense; Chemical composition; Nutritional value.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612009000400011
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