Results: 1749

Serum levels of neurotrophic factors in active toxoplasmic retinochoroiditis

Braz. j. infect. dis; 21 (2), 2017
Abstract Toxoplasmic retinochoroiditis (TR) is the most common identifiable cause of posterior uveitis in Brazil. Response to treatment and clinical presentation may vary significantly. We assessed serum levels of brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF...

Infectivity of Chordodes nobilii larvae (Gordiida: Nematomorpha)

Rev. biol. trop; 65 (1), 2017
AbstractThe gordiids are freshwater representatives of the parasite phylum Nematomorpha that function as a link between aquatic and terrestrial ecosystems. In recent years, different ecotoxicologic studies have been made with the South-American gordiid species, Chordodes nobilii, that have demonstrated t...

Trypanosoma evansi (Kinetoplastida: Trypanosomatidae) in capybaras ( Hydrochoerus hydrochaeris ): prevalence, effect and sexual selection

Rev. biol. trop; 65 (1), 2017
AbstractParasites play a crucial role in the ecology of animals. They also appear to be important in mechanisms underlying sexual selection processes. In this article we study the prevalence, effect and potential role in sexual selection of the protozoon Trypanosoma evansi in capybaras, Hydrochoerus hydr...

Diagnóstico e incidencia de enfermedades bacterianas y parasitarias que afectan el cultivo de camarón marino en estanques del sector El Zompopero y Salinas del Potrero, municipio de Jiquilísco, departamento de Usulután: en vínculo con Cooperativas de San Hilario

Las enfermedades bacterianas y parasitarias pueden llegar a comprometer los niveles de sobrevivencia de un cultivo de camarón marino. La frecuencia de aparición de camarones muertos en las orillas de los estanques o que aparecen en las atarrayas, son solo un signo o señal de que algo marcha mal en el ...

Enfermedad de Chagas en el sistema nervioso central en paciente con infección por VIH: dificultades diagnósticas y terapéuticas

Rev. chil. infectol; 34 (1), 2017
Chagas disease (ChD), caused by the protozoan Trypanosoma cruzi, is an endemic anthropozoonosis in Latin America, linked to deficients socio-economic and cultural aspects and is considered one of the neglected tropical diseases. We report a fatal case of Chagas disease reactivation with central nervous s...

Enfermedad de Chagas del sistema nervioso central en un paciente con SIDA demostrada por métodos cuantitativos moleculares

Rev. chil. infectol; 34 (1), 2017
Although infrequent, Trypanosoma cruzi reactivation is possible among patients with HIV/AIDS infection that develop a tumor-like or granulomatous lesion in the CNS. We report the case of a 60 years old male patient with HIV/AIDS and low CD4 lymphocytes count with cerebellar symptoms and mild paresis, ass...

Toxoplasmosis intramedular en una paciente con coinfección por VIH y tuberculosis

Rev. chil. infectol; 34 (1), 2017
The most common clinical presentation of Toxoplasma gondii in HIV patients is encephalitis; however, the intramedullary involvement has been reported in a few cases. We report a case of intramedullary toxoplasmosis in a female patient diagnosed with HIV/tuberculosis co-infection, and history of poor adhe...

Primeiro relato de Hysterothylacium deardorffoverstreetorum (Raphidascarididae) em bijupirá de criação, Rachycentron canadum (Linnaeus 1766), no Brasil

O objetivo do presente estudo foi registrar a ocorrência de larva de nematoide da família Raphidascarididae, Hysterothylacium deardorffoverstreetorum, em bijupirá Rachycentron canadum (Linnaeus, 1766), criado e alimentado com ração e "trashfish" em fazendas marinhas localizadas no Rio de Janeiro, Br...

Genotyping of Toxoplasma gondii isolates from naturally infected Gallus domesticus in Santa Catarina state, Brazil

Toxoplasmosis is a widespread zoonosis that can infect warm-blooded animals including birds and humans, and chickens are considered to be indicators of environmental contamination. In Brazil, Toxoplasma gondii has a non-clonal population structure composed of three lineages (I, II, and III), presenting h...