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Am. J. Trop. Med. Hyg., 75(5), 2006, pp. 933-935
Copyright © 2006 by The American Society of Tropical Medicine and Hygiene

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SHORT REPORT


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

MARCELLO OTAKE SATO{dagger}, TÂNIA VASCONCELOS CAVALCANTE{dagger}, YASUHITO SAKO, MINORU NAKAO, HIROSHI YAMASAKI, ANA PATRÍCIA YATSUDA, KAZUHIRO NAKAYA, AND 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

 

ABSTRACT

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.

Received March 21, 2006. Accepted for publication July 7, 2006.

Acknowledgments: The authors gratefully acknowledge the contribution of Prof. Nicodemus Alves de Macedo and Dr. Ivete Lopes de Mendonça of the Centro de Ciências Agrárias of the Universidade Federal do Paiuí and Dr. Silvaneide Escórcio de Resende, Chief of Piracuruca City Slaughterhouse for their help and cooperation on providing facilities and local information for this project.

Financial support: This work was supported in part by a grant-in-aid for the Scientific Research sponsored by the Japan Society for Promotion of Science (14256001, 17256002) to AI.

* Address correspondence to Akira Ito, Department of Parasitology, Asahikawa Medical College, Midorigaoka Higashi 2-1-1-1, Asahikawa, Hokkaido, Japan, 078-8510. E-mail: akiraito{at}asahikawa-med.ac.jp

{dagger} These authors contributed equally.

Authors’ addresses: Marcello Otake Sato, Yasuhito Sako, Minoru Nakao, Hiroshi Yamasaki, and Akira Ito, Department of Parasitology, Asahikawa Medical College, Midorigaoka Higashi 2-1-1-1, Asahikawa, 078-8510, Hokkaido, Japan, Telephone: 81-166-682420, Fax: 81-166-682429, E-mail: marcello{at}asahikawa-med.ac.jp, yasusako{at}asahikawa-med.ac.jp, nakao{at}asahikawa-med.ac.jp, hyamasak{at}asahikawa-med.ac.jp, akiraito{at}asahikawa-med.ac.jp. Marcello Otake Sato, Tânia Vasconcelos Cavalcante, Escola de Medicina Veterinária e Zootecnia, Universidade Federal do Tocantins, BR153 Km112 CP132, Araguaína 77804-970, Brazil, Telephone: 55-63-34141802, Fax: 55-63-34151648, E-mail: otake{at}uft.edu.br, taniavet2001{at}yahoo.com.br; Ana Patrícia Yatsuda, Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-903, Brazil, Telephone: 55-16-36024724, Fax: 55-16-36024725, E-mail: ayatsuda{at}fcfrp.usp.br; Kazuhiro Nakaya, Animal Laboratory for Medical Research, Asahikawa Medical College, Midorigaoka Higashi 2-1-1-1, Asahikawa, 078-8510, Hokkaido, Japan, Telephone: 81-166-682683, Fax: 81-166-682429, E-mail: nky48{at}asahikawa-med.ac.jp.






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