EVIDENCE AND POTENTIAL FOR TRANSMISSION OF HUMAN AND SWINE TAENIA SOLIUM CYSTICERCOSIS IN THE PIRACURUCA REGION, PIAUÍ, BRAZIL

MARCELLO OTAKE SATO Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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TÂNIA VASCONCELOS CAVALCANTE Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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YASUHITO SAKO Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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MINORU NAKAO Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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HIROSHI YAMASAKI Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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ANA PATRÍCIA YATSUDA Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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KAZUHIRO NAKAYA Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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AKIRA ITO Laboratório de Parasitologia, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Department of Parasitology, Asahikawa Medical College, Asahikawa, Japan; Laboratório de Reprodução, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, Araguaína-TO, Brazil; Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Animal Laboratory for Medical Research, Asahikawa Medical College, Asahikawa, Japan

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The study conducted in the Cocal dos Alves municipality, located in the Piracuruca region of Piauí State, Brazil in November of 2003 was based on both a socio-behavioral survey and analysis of serum antibodies and parasitic materials. Pig raising is the main economic activity with 91.4% using extensive farming. On the studied population, 54.3% of people did not apply any sanitary measures to wastewater, 45.7% used septic tanks, and 69.1% consumed water without treatment. The data collected indicated the occurrence and active transmission of the taeniasis-cysticercosis complex in the region. One of seven voluntary persons was positive in antibody-ELISA tests using both native and recombinant antigens. Multiplex PCR and DNA sequencing of cyst samples obtained from a pig revealed the presence of the Afro-American genotype of Taenia solium. This study revealed the occurrence of human and porcine cysticercosis in the Piracuruca region of Piauí State, middle-north of Brazil.

Author Notes

  • 1

    Ito A, Putra MI, Subahar R, Sato MO, Okamoto M, Sako Y, Nakao M, Yamasaki H, Nakaya K, Craig PS, Margono SS, 2002. Dogs as alternative intermediate hosts of Taenia solium in Papua (Irian Jaya), Indonesia confirmed by highly specific ELISA and immunoblot using native and recombinant antigens and mitochondrial DNA analysis. J Helminthol 76 :311–314.

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    Ito A, Yamasaki H, Nakao M, Sako Y, Okamoto M, Sato MO, Nakaya K, Margono SS, Ikejima T, Kassuku AA, Afonso SM, Ortiz WB, Plancarte A, Zoli A, Geerts S, Craig PS, 2003. Multiple genotypes of Taenia solium ramifications for diagnosis, treatment and control. Acta Trop 87 :95–101.

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    Yamasaki H, Allan JC, Sato MO, Nakao M, Sako Y, Nakaya K, Qiu D, Mamuti W, Craig PS, Ito A, 2004. DNA differential diagnosis of taeniasis and cysticercosis by multiplex PCR. J Clin Microbiol 42 :548–553.

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    Nakao M, Okamoto M, Sako Y, Yamasaki H, Nakaya K, Ito A, 2002. A phylogenetic hypothesis for the distribution of two genotypes of the pig tapeworm Taenia solium worldwide. Parasitology 124 :657–662.

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