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Efeito dos carotenóides licopeno e astaxantina sobre danos renais induzidos por cloreto de mercúrio
(Universidade Federal de Santa Maria, 2007-03-09)
Mercury is a heavy metal toxic for any living tissue, being kidneys the first target for the inorganic form. Oxidative stress has been pointed as an important molecular mechanism for kidney injury in inorganic mercury ...
Efeitos do chumbo sobre a atividade da tioredoxina redutase citosólica (TrxR1) e parâmetros de estresse oxidativo em rins de ratos
(Universidade Federal de Santa Maria, 2007-01-31)
Lead is a heavy metal that accumulates primarily in kidney, where exerts its nephrotoxic effects. Several studies suggest that the oxidative stress is an important molecular mechanism for the toxic effects of lead in kidney ...
Efeito inibitório do Ebselen, do disseleneto de difenila e do ditelureto de difenila sobre a atividade da LDH de mamíferos
(Universidade Federal de Santa Maria, 2009-02-09)
Ebselen is a seleno compound whose antioxidant properties have been
attributed to its thiol-peroxidase and thioredoxin-like activity: it decomposes
peroxides at the expense of reduced thiols. However, the excessive ...
Enzimas que hidrolisam nucleotídeos de adenina em plaquetas, agregação plaquetária e polimorfismo do gene α2 da integrina α2β1 em pacientes com a doença de von Willebrand
(Universidade Federal de Santa Maria, 2009-04-08)
Von Willebrand disease (vWD) is one of the most common inherited bleeding diseases, caused by a qualitative or quantitative deficiency of the von Willebrand factor (vWF). vWF is a multimeric glycoprotein synthesized by ...
Estrutura genética de populações naturais de Parides agavus (Lepidoptera; Papilionidae) da região central do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2007-03-21)
The population structure from the genetic and evolutive view-point tries to quantify the morphologic and quantitative variability existing among the individuals, their reproductive behavior, and gene flow patterns, and the ...
Dietil-2-fenil-2-telurofenil vinilfosfonato: um composto orgânico de telúrio com atividade antioxidante in vitro e com baixa toxicidade in vivo em camundongos
(Universidade Federal de Santa Maria, 2007-02-14)
Despite the growing use of organotellurium compounds in chemical and biochemical fields, there is no great concern about their toxicity until now. Diethyl-2-phenyl-2-tellurophenyl vinylphospnonate is a β-organochalcogenyl ...
Crescimento e parâmetros toxicológicos em jundiás (Rhamdia quelen) expostos a uma formulação comercial do herbicida 2,4-D
(Universidade Federal de Santa Maria, 2007-09-27)
In this study, silver catfish (Rhamdia quelen) were exposed to commercial formulation to 2,4-D herbicide at 0.0 (control) 0.5 or 2.0 mg L-1 for 90 days or 96 hours. After the exposure were evaluated the growth, mucous layer ...
Biologia populacional de Aegla sp. n.. (Crustacea, Decapoda, Aeglidae) no arroio Passo Taquara, São Pedro do Sul/RS
(Universidade Federal de Santa Maria, 2008-02-27)
The aim of this study was to evaluate some aspects of the biology of the anomuran crab Aegla sp. n.., for example: the size of onset of sexual maturity, the median size between males and females, the sexual proportion ...
Avaliação dos mecanismos envolvidos na ação antinociceptiva causada pelo seleneto vinílico bis substituído (SVBS) em camundongos
(Universidade Federal de Santa Maria, 2009-03-24)
The interest in organoselenium biochemistry and pharmacology has increased in the last two decades due to a variety of organoselenium compounds that possess biological activity. Accordingly, bis selenide is known as a safe ...
Atividade hipolipidêmica do disseleneto de difenila na hiperlipidemia induzida por Triton WR-1339 em camundongos
(Universidade Federal de Santa Maria, 2009-11-26)
In mammals, the liver plays a central role in whole-body lipid metabolism. Unfortunately, dysregulation of these pathways has been implicated in hyperlipidemias. In recent years, a significant association between the trace ...