title: Identification of human T-cell lymphotropic virus infection in a semi-isolated Afro-Brazilian quilombo located in the Marajó Island (Pará, Brazil).
abstract: Antibodies to human T-cell lymphotropic virus-1 and 2 (HTLV-1 and 2) were tested in 259 inhabitants (98 males and 161 females) of four villages of the Marajó Island (Pará, Brazil) using enzyme immunoassays (ELISA and Western blot). Types and subtypes of HTLV were determined by nested polymerase chain reaction (PCR) targeting the pX, env and 5 LTR regions. HTLV-1 infection was detected in Santana do Arari (2.06%) and Ponta de Pedras (1%). HTLV-2 was detected only in Santana do Arari (1.06%). Sequencing of the 5 LTR region of HTLV-1 and the phylogenetic analysis identified the virus as a member of the Cosmopolitan Group, subgroup Transcontinental. Santana do Arari is an Afro-Brazilian community and the current results represent the first report of HTLV-1 infection in a mocambo located in the Brazilian Amazon region.
authors.affiliation: Departamento de Patologia, Centro de Ciências Biológicas, Universidade Federal do Pará, 66075-900 Belém, PA, Brazil. vallinoto@ufpa.br
authors.forename: A C R
authors.initials: AC
authors.lastname: Vallinoto
authors.forename: G S
authors.initials: GS
authors.lastname: Pontes
authors.forename: N A
authors.initials: NA
authors.lastname: Muto
authors.forename: I G L
authors.initials: IG
authors.lastname: Lopes
authors.forename: L F A
authors.initials: LF
authors.lastname: Machado
authors.forename: V N
authors.initials: VN
authors.lastname: Azevedo
authors.forename: F A P L
authors.initials: FA
authors.lastname: Carvalhaes
authors.forename: S E B
authors.initials: SE
authors.lastname: Santos
authors.forename: J F
authors.initials: JF
authors.lastname: Guerreiro
authors.forename: M O G
authors.initials: MO
authors.lastname: Ishak
authors.forename: R
authors.initials: R
authors.lastname: Ishak
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D044383:Black People; D015153:Blotting, Western; D001938:Brazil / Q000208:ethnology; D002648:Child; D002675:Child, Preschool; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D015481:HTLV-I Antibodies / Q000097:blood*; D015490:HTLV-I Infections / Q000175:diagnosis* / Q000208:ethnology; D015491:HTLV-II Infections / Q000175:diagnosis* / Q000208:ethnology; D015368:Human T-lymphotropic virus 1 / Q000235:genetics / Q000276:immunology*; D015367:Human T-lymphotropic virus 2 / Q000235:genetics / Q000276:immunology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D016133:Polymerase Chain Reaction; D017422:Sequence Analysis, DNA
chemical_list: D015481:HTLV-I Antibodies