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1.
Rev. Bras. Parasitol. Vet. (Online) ; 24(2): 241-246, n/2015n/2015. ilus
Article in English | LILACS, VETINDEX | ID: biblio-1487846

ABSTRACT

Paratanaisia bragai is a trematode parasite that reaches sexual maturity in the kidney collecting ducts of domesticated and wild fowl and whose intermediate hosts are the snails Subulina octona and Leptinaria unilamellata. There are some discrepancies in descriptions of the pathology of this parasite in bird kidneys. Therefore, the purpose of this study was to analyze the kidneys of rock pigeons (Columba livia) naturally infected and of chickens (Gallus gallus) experimentally infected with Paratanaisia bragai, by means of macroscopic observation and by light and scanning electron microscopy. Both bird species showed significantly dilated collecting ducts. In addition, lymphocyte infiltration was observed in the kidneys of C. livia and metaplasia in the epithelial lining of the kidney collecting ducts of G. gallus.


Paratanaisia bragai é um trematódeo que atinge sua maturidade sexual nos ductos coletores de rins de aves domésticas e silvestres, tendo os moluscos Subulina octona e Leptinaria unilamellata como hospedeiros intermediários. A patologia descrita no rim das aves apresenta uma série de divergências. Dessa forma, o presente estudo teve como objetivo analisar rins de Columba livia, naturalmente infectada, e de Gallus gallus infectados experimentalmente por Paratanaisia bragai. Através das análises, verificaram-se alterações macroscópicas, por microscopia de luz e eletrônica de varredura, sendo caracterizada significativa dilatação dos túbulos coletores. Essas alterações foram observadas nas aves infectadas naturalmente e experimentalmente. Por outro lado, foi observada infiltração linfocitária nos rins de C. livia, naturalmente infectada, e ocorrência de metaplasia no revestimento epitelial dos túbulos coletores dos rins de G. gallus, experimentalmente infectados.


Subject(s)
Animals , Columbidae/parasitology , Bird Diseases/parasitology , Bird Diseases/pathology , Liver/parasitology , Liver/pathology , Trematode Infections/pathology , Trematode Infections/veterinary , Trematoda/isolation & purification
2.
Rev. Soc. Bras. Med. Trop ; 41(2): 209-211, mar.-abr. 2008. tab
Article in English | LILACS | ID: lil-484231

ABSTRACT

To assess the performance of the immunochromatographic test for filariasis, adult Wuchereria bancrofti worms were incubated under different conditions. The tests were strongly positive with incubation fluids from both living and mechanically damaged females. Negative results were observed with incubation fluids from all male worms and from intact dead females.


Para a valiar o desempenho do teste imunocromatográfico para filariose, vermes adultos de Wuchereria bancrofti foram incubados em diferentes condições. Os testes foram fortemente positivos com fluidos de incubação de fêmeas vivas e danificadas mecanicamente. Resultados negativos foram obtidos com fluidos de todos os machos e de fêmeas mortas intactas.


Subject(s)
Animals , Female , Humans , Male , Antigens, Helminth/blood , Elephantiasis, Filarial/diagnosis , Enzyme-Linked Immunosorbent Assay/methods , Wuchereria bancrofti/immunology , Chromatography/methods , Reagent Kits, Diagnostic , Sensitivity and Specificity
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