Obesity and type 2 diabetes mellitus (T2D) are two major public health problems that have motivated the scientific community to investigate the high contribution of genetic factors to these disorders. The peroxisome proliferator activated by gamma 2 (PPARy2) plays an important role in the lipid metabolism. Since PPARy2 is expressed mainly in adipose tissue, a moderate reduction of its activity influences the se...
Fungos gnats Bradysia sp. (Diptera: Sciaridae); Pulgões Myzus ascalonicus Doncaster e Aphis fabae Scopoli (Hemiptera: Aphididae); Cochonilhas (Hemiptera: Diaspididae); Tripes Scirtothrips sp. (Thysanoptera: Thripidae); Lagarta Phyciodes sp.; (Lepidoptera: Nymphalidae); Ácaros Tetranychus sp. (Acari: Tetranychidae). ; 2008
Introdução; fungos gnats Bradysia sp. (Diptera: Sciaridae); pulgões Myzus ascalonicus Doncaster e Aphis fabae Scopoli (Hemiptera: Aphididae); Cochonilhas (Hemiptera: Diaspididae); Tripes Scirtothrips sp. (Thysanoptera: Thripidae); lagarta Phyciodes sp. (Lepidoptera: Nymphalidae); ácaros Tetranychus sp. (Acari: Tetranychidae); literatura recomendada. ; 2008
Tubas uterinas de 21 novilhas mestiças Bos taurus taurus × Bos taurus indicus, em diferentes fases do ciclo estral natural (estro, metaestro e diestro) ou induzido pelo tratamento superovulatório (estro e metaestro superovulados), foram avaliadas quanto à presença de cistos intra-epiteliais e à caracterização histoquímica de seu conteúdo. Verificou-se a ocorrência de cistos intra-epiteliais nas tubas uter...
The objectives of this study were to evaluate the effects of pinealectomy, adrenalectomy and pinealectomy-adrenalectomy upon the quantification of spermatogenic cells of rats. As such, 32 adult Wistar rats with a mean body weight of 331.7± 15.5g were assigned into one of the following treatments: (a) a sham-operated control group, consisting of nine animals; (b) ten pinealectomized animals; (c) seven adrenalect...
Plasma and tissue testosterone concentrations were determined by radioimmunoassay in 12 eight-month-old sexually mature New Zealand White rabbits and evaluated for possible associations with spermatogenic efficiency as well as with volume density and number of Leydig cells. Testicular tissue was processed histologically and histometry was performed in order to quantify germ cells, Sertoli cells and Leydig cells...
The concentrations of Cu, Zn, Pb, and Cd were determined in the mussel Mytella falcata from the Bacanga River estuary, in order to evaluate the potential role of domestic effluents released "in natura" on the quality of the estuarine environment with consequences to shellfish resources. Cu concentrations ranged from 5.2 mg.g-1 to 13.1 mg.g-1, while Zn concentrations ranged from 49.1 mg.g-1 to 76.3 mg.g-1. Pb an...
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