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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060

Mem. Inst. Oswaldo Cruz vol.85 no.1 Rio de Janeiro Jan./Mar. 1990

http://dx.doi.org/10.1590/S0074-02761990000100004 

Prevalence of human T cell leukemia virus-I (HTLV-I) antibody among populations living in the Amazon region of Brazil (preliminary report)

C. M. Nakauchi1 

A. C. Linhares

K. Maruyama2 

L. I. Kanzaki3 

J. E. Macedo4 

V. N. Azevedo3 

J. S. R. Casseb5 

Fundação Serviços de Saúde Pública, Seção de Vírus, Instituto Evandro Chagas, Belém, Brasil

Chiba Cancer Research Institute, Department of Pathology, Chiba, Japan

Universidade Federal do Pará, Belém, Brasil

Instituto Offir Loyola, Belém, Brasil

Faculdade Estadual de Medicina, Belém, Brasil


ABSTRACT

Forty-tree (31.4%) out of 137 serum samples obtained from two Indian communities living in the Amazon region were found to be positive for HTLV-I antibody, as tested by enzyme-linked immunosorbent assay (Elisa). Eighty-two sera were collected from Mekranoiti Indians, yielding 39% of positivity, whereas 11 (20.0%) or the 55 Tiriyo serum samples had antibody to HTLV-I. In addition, positive results occurred in 10 (23.2%) out of 43 sera obtained from patients living in the Belem area, who were suffering from cancer affecting different organs. Five (16.7%) out of 30 Elisa positive specimens were also shown to be positive by either Western blot analysis (WB) or indirect immunogold electron microscopy (IIG-EM).

 

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