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Rev. Soc. Bras. Med. Trop ; 30(5): 389-392, set.-out. 1997. ilus
Article in English | LILACS | ID: lil-464356

ABSTRACT

DNA extracted from peripheral blood of two Ecuadorian patients showing severe digestive pathology was amplified by the polymerase chain reaction using a Trypanosoma cruzi specific oligonucleotide primers derived from the primary sequence of a cDNA encoding for a 24 kDa excretory/secretory protein. The positive PCR results together with the clinical findings confirmed that both patients had a digestive pathology due to Chagas' disease. This pathology could be more frequent than previously described in the chagasic endemic regions of Andean countries.


DNA obtido do sangue periférico de dois pacientes equatorianos, que apresentavam severa patologia digestiva, foi amplificado pela "polymerase chain reaction" (PCR) utilizando os oligonucleotídoes específicos do Trypanosoma cruzi, derivados de uma seqüência primária de cDNA codificado de 24 kDa proteína excretória/secretória. Os resultados positivos da PCR junto com os achados clínicos confirmam que os dois pacientes tinham uma patologia digestiva de origem chagásica. Esta patologia poderia ser mais freqüente que a descrita previamente nas regiões endêmicas chagásicas das cidades dos Andes.


Subject(s)
Aged , Animals , Female , Humans , Male , Middle Aged , Chagas Disease/complications , Digestive System Diseases/etiology , Antibodies, Protozoan/blood , Chronic Disease , DNA, Protozoan/blood , Chagas Disease/diagnosis , Digestive System Diseases/diagnosis , Ecuador , Polymerase Chain Reaction , Trypanosoma cruzi/genetics , Trypanosoma cruzi/immunology
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