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1.
Vet. Méx ; 40(3): 283-291, jul.-sep. 2009. ilus, tab
Article in Spanish | LILACS-Express | LILACS | ID: lil-632912

ABSTRACT

In recent years, a new alternative for the treatment of human inflammatory diseases, such as Crohn's disease, by oral administration of eggs from the swine parasitic nematode Trichuris suis has attracted attention, based on the capacity of helminths to polarize T helper cells (Th) to Th2 type which inhibits inflammation. In the present review the mechanisms used by parasitic helminths to modify the host immune response are analyzed and their potential use for the treatment of a variety of inflammatory diseases is discussed.


En años recientes ha llamado la atención una nueva alternativa para el tratamiento de enfermedades inflamatorias de humanos, como la enfermedad de Crohn, por medio de la administración oral de huevos del nematodo parásito de cerdos Trichuris suis, con base en la capacidad que tienen los helmintos de polarizar la respuesta de las células T cooperadoras (Th) a una de tipo Th2 que inhibe la inflamación. En la presente revisión se analizan los mecanismos que utilizan los helmintos parásitos para modificar la respuesta inmunitaria del portador y se discute su uso potencial para el tratamiento de una variedad de enfermedades inflamatorias.

2.
Rev. bras. parasitol. vet ; 17(3): 171-173, jul.-set. 2008. tab
Article in Portuguese | LILACS | ID: lil-614861

ABSTRACT

Foram examinados 65 exemplares de pirarucu em agosto de 2004, provenientes do rio Araguaia, Estado de Mato Grosso, Brasil para o estudo dos seus helmintos parasitos. Cinco espécies foram registradas parasitando Arapaima gigas: Dawestrema cycloancistrium (Monogenea) nas brânquias, Nilonema senticosum e Goezia spinulosa (Nematoda) na vesícula gasosa e no estômago respectivamente; Caballerotrema brasiliense (Digenea) e Polyacanthorhynchus rhopalorhynchus (Acanthocephala) no intestino. Os valores mais altos de prevalência foram observados para D. cycloancistrium (100 por cento) and P. rhopalorhynchus (96,9 por cento). Os maiores valores de intensidade e abundância média foram calculados para C. brasiliense e N. senticosum (61 e 46,9, respectivamente). Todas estas espécies são registradas pela primeira vez na Bacia do Rio Araguaia.


Sixty-five specimens of pirarucu collected in August 2004 from Araguaia River, State of Mato Grosso, Brazil, were examined to study their helminth parasites. Five species were recorded parasitic Arapaima gigas: Dawestrema cycloancistrium (Monogenea) in gills, Nilonema senticosum and Goezia spinulosa (Nematoda) in the swimbladder and stomach, respectively; Caballerotrema brasiliense (Digenea) and Polyacanthorhynchus rhopalorhynchus (Acanthocephala) in the intestine. Highest prevalence values were detected for D. cycloancistrium (100 percent) and P. rhopalorhynchus (96.9 percent). Highest values of mean intensity and mean abundance were detected for C. brasiliense and N. senticosum (61 and 46.9, respectively). All these species are recorded by the first time in the Araguaia River basin.


Subject(s)
Animals , Fishes/parasitology , Helminths/isolation & purification , Brazil , Rivers
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