FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Ricardo Ishak

Research Profile

Geographic Areas

Brazil

Living Beings

Disorders

Chemicals & Drugs

Concepts & Ideas

Procedures

Physiology

Co-author Network

Publications

TOP 3
Fernando Assis Ferreira Melo; Bárbara Brasil Santana; Ana Caroline Fonseca Bezerra; Izaura Maria Vieira Cayres-Vallinoto; Marluísa Oliveira Guimarães Ishak; Ricardo Ishak; A C R Vallinoto
JC polyomavirus infection in candidates for kidney transplantation living in the Brazilian Amazon region.
Simone R S Conde; Samia Demachki; Rosimar N M Feitosa; Felipe Bonfim Freitas; Renata B Hermes; Ricardo Ishak; Manoel C P Soares; Marialva T F Araújo; A C R Vallinoto
Association of cytokine gene polymorphisms and serum concentrations with the outcome of chronic hepatitis B.
Mauro S Araújo; Vânia N Azevedo; Izaura Cayres-Vallinoto; Ednelza S Graça; M O G Ishak; Ricardo Ishak; L F A Machado; A C R Vallinoto
No evidence of association between MBL2A/O polymorphisms and Mycobacterium tuberculosis infection in populations from the Brazilian Amazon region.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Ricardo Ishak (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: Fernando Assis Ferreira Melo; Bárbara Brasil Santana; Ana Caroline Fonseca Bezerra; Izaura Maria Vieira Cayres-Vallinoto; Marluísa Oliveira Guimarães Ishak; Ricardo Ishak; A C R Vallinoto
JC polyomavirus infection in candidates for kidney transplantation living in the Brazilian Amazon region.
Memórias do Instituto Oswaldo Cruz 2013;108(2):145-9.
2013: Simone R S Conde; Samia Demachki; Rosimar N M Feitosa; Felipe Bonfim Freitas; Renata B Hermes; Ricardo Ishak; Manoel C P Soares; Marialva T F Araújo; A C R Vallinoto
Association of cytokine gene polymorphisms and serum concentrations with the outcome of chronic hepatitis B.
Cytokine 2013;61(3):940-4.
2013: Mauro S Araújo; Vânia N Azevedo; Izaura Cayres-Vallinoto; Ednelza S Graça; M O G Ishak; Ricardo Ishak; L F A Machado; A C R Vallinoto
No evidence of association between MBL2A/O polymorphisms and Mycobacterium tuberculosis infection in populations from the Brazilian Amazon region.
Human immunology 2013;74(1):82-4.
2012: Evaldo H de Oliveira; M O G Ishak; Ricardo Ishak; Aldemir Oliveira-Filho; Lucinda A Souza; Letiano V da Silva; A C R Vallinoto
Human T-cell lymphotropic virus in patients infected with HIV-1: molecular epidemiology and risk factors for transmission in Piaui, Northeastern Brazil.
Current HIV research 2012;10(8):700-7.
2012: Izaura M V Cayres-Vallinoto; Marluísa de Oliveira Guimarães Ishak; L F A Machado; A C R Vallinoto; Vânia N Azevedo; Ricardo Ishak
Human JCV infections as a bio-anthropological marker of the formation of Brazilian Amazonian populations.
PloS one 2012;7(10):e46523.
2011: A C R Vallinoto; Felipe Bonfim Freitas; Isabella Guirelli; L F A Machado; Vânia Nakauth Azevedo; Izaura Cayres-Vallinoto; M O G Ishak; Ricardo Ishak
Characterization of mannose-binding lectin plasma levels and genetic polymorphisms in HIV-1-infected individuals.
Revista da Sociedade Brasileira de Medicina Tropical 2011;44(1):1-3.
2010: A C R Vallinoto; Ednelza S Graça; Mauro S Araújo; Vânia Nakauth Azevedo; Izaura Cayres-Vallinoto; L F A Machado; M O G Ishak; Ricardo Ishak
IFNG +874T/A polymorphism and cytokine plasma levels are associated with susceptibility to Mycobacterium tuberculosis infection and clinical manifestation of tuberculosis.
Human immunology 2010;71(7):692-6.
2009: L F A Machado; M O G Ishak; A C R Vallinoto; José Alexandre R Lemos; Vânia Nakauth Azevedo; Marcio R C Moreira; Maria I M Souza; Luciana M Fernandes; Lia L B Souza; Ricardo Ishak
Molecular epidemiology of HIV type 1 in northern Brazil: identification of subtypes C and D and the introduction of CRF02_AG in the Amazon region of Brazil.
AIDS research and human retroviruses 2009;25(10):961-6.
2009: A C R Vallinoto; Renato F Pinheiroda da Silva; Renata B Hermes; Ivanete S A Amaral; Esther Castello Branco M Miranda; Maria Silvia de Brito Barbosa; Lizomar de Jesus Pereira Moia; Simone R S Conde; Manoel do Carmo Pereira Soares; J A R Lemos; L F A Machado; M O G Ishak; Ricardo Ishak
Mannose-binding lectin gene polymorphisms are not associated with susceptibility to hepatitis C virus infection in the Brazilian Amazon region.
Human immunology 2009;70(9):754-7.
2009: Ethienne Lobato dos Santos; Bruna Tamegão-Lopes; L F A Machado; Marluísa de Oliveira Guimarães Ishak; Ricardo Ishak; José Alexandre Rodrigues de Lemos; A C R Vallinoto
[Molecular characterization of HTLV-1/2 among blood donors in Belém, State of Pará: first description of HTLV-2b subtype in the Amazon region].
Revista da Sociedade Brasileira de Medicina Tropical 2009;42(3):271-6.
2008: A C R Vallinoto; N A Muto; A E M Alves; L F A Machado; V N Azevedo; L L B Souza; M O G Ishak; Ricardo Ishak
Characterization of polymorphisms in the mannose-binding lectin gene promoter among human immunodeficiency virus 1 infected subjects.
Memórias do Instituto Oswaldo Cruz 2008;103(7):645-9.
2007: A E M Alves; R B Hermes; B Tamegão-Lopes; L F A Machado; V N Azevedo; M O G Ishak; Ricardo Ishak; J A R Lemos; A C R Vallinoto
Polymorphism in the promoter region of the mannose-binding lectin gene among human T-cell lymphotropic virus infected subjects.
Memórias do Instituto Oswaldo Cruz 2007;102(8):991-4.
2007: Marluísa de Oliveira Guimarães Ishak; Rosimar Neris Martins; Paula Renata Lima Machado; Lia Lobato Batista de Souza; L F A Machado; Vânia Nakauth Azevedo; Harutaka Katano; Tetsutaro Sata; Hideki Hasegawa; A C R Vallinoto; Ricardo Ishak
High diversity of HHV-8 molecular subtypes in the Amazon region of Brazil: evidence of an ancient human infection.
Journal of medical virology 2007;79(10):1537-44.
2007: Ricardo Ishak; A C R Vallinoto; Vânia Nakauth Azevedo; Ana Carolina P Vicente; William W Hall; M O G Ishak
Molecular evidence for infection by HTLV-2 among individuals with negative serological screening tests for HTLV antibodies.
Epidemiology and infection 2007;135(4):604-9.
2006: L F A Machado; A C R Vallinoto; Maria I M Souza; Vânia Nakauth Azevedo; M O G Ishak; Ricardo Ishak
Serological and molecular typing of HIV type 1 infection in the Tiriyo tribe, a native Indian community of the Amazon region of Brazil.
AIDS research and human retroviruses 2006;22(12):1267-70.
2006: Carlos M De Castro-Costa; A Q C Araújo; Márcio M Barreto; Osvaldo M Takayanagui; Marzia P Sohler; Eduardo L M da Silva; Sônia M B de Paula; Ricardo Ishak; João G R Ribas; Luis C Rovirosa; Herwig Carton; Eduardo Gotuzzo; William W Hall; Silvia Montano; Edward L Murphy; Joel Oger; Carlos Remondegui; Graham P Taylor
Proposal for diagnostic criteria of tropical spastic paraparesis/HTLV-I-associated myelopathy (TSP/HAM).
AIDS research and human retroviruses 2006;22(10):931-5.
2006: Lucinda A Souza; I G L Lopes; Eduardo Leitão Maia; Vânia Nakauth Azevedo; L F A Machado; M O G Ishak; Ricardo Ishak; A C R Vallinoto
[Molecular characterization of HTLV-1 among patients with tropical spastic paraparesis/HTLV-1 associated myelopathy in Belém, Pará].
Revista da Sociedade Brasileira de Medicina Tropical 2006;39(5):504-6.
2006: A C R Vallinoto; Marcos Rogério Menezes-Costa; Anna Elizabeth Martins Alves; L F A Machado; Vânia Nakauth de Azevedo; Lia Lobato Batista Souza; Marluísa de Oliveira Guimarães Ishak; Ricardo Ishak
Mannose-binding lectin gene polymorphism and its impact on human immunodeficiency virus 1 infection.
Molecular immunology 2006;43(9):1358-62.
2006: A C R Vallinoto; Gemilson S Pontes; N A Muto; I G L Lopes; L F A Machado; Vânia Nakauth Azevedo; F A P L Carvalhaes; Sidney E B Santos; João Farias Guerreiro; M O G Ishak; Ricardo Ishak
Identification of human T-cell lymphotropic virus infection in a semi-isolated Afro-Brazilian quilombo located in the Marajó Island (Pará, Brazil).
Memórias do Instituto Oswaldo Cruz 2006;101(1):103-5.
2005: Gemilson S Pontes; B Tamegão-Lopes; L F A Machado; Vânia Nakauth Azevedo; M O G Ishak; Ricardo Ishak; J A R Lemos; A C R Vallinoto
Characterization of mannose-binding lectin gene polymorphism among human T-cell lymphotropic virus 1 and 2-infected asymptomatic subjects.
Human immunology 2005;66(8):892-6.
2005: R V Laurentino; I G L Lopes; Vânia Nakauth Azevedo; L F A Machado; M R C Moreira; L Lobato; M O G Ishak; Ricardo Ishak; A C R Vallinoto
Molecular characterization of human T-cell lymphotropic virus coinfecting human immunodeficiency virus 1 infected patients in the Amazon region of Brazil.
Memórias do Instituto Oswaldo Cruz 2005;100(4):371-6.
2004: A C R Vallinoto; Nilton A Muto; Gemilson S Pontes; L F A Machado; Vânia Nakauth Azevedo; Sidney Emanuel Batista dos Santos; Andrea Kely Campos Ribeiro-Dos-Santos; M O G Ishak; Ricardo Ishak
Serological and molecular evidence of HTLV-I infection among Japanese immigrants living in the Amazon region of Brazil.
Japanese journal of infectious diseases 2004;57(4):156-9.
2003: Ricardo Ishak; A C R Vallinoto; Vânia Nakauth Azevedo; Marluísa de Oliveira Guimarães Ishak
Epidemiological aspects of retrovirus (HTLV) infection among Indian populations in the Amazon Region of Brazil.
Cadernos de saúde pública 2003;19(4):901-14.
2002: A C R Vallinoto; M O G Ishak; Vânia Nakauth Azevedo; Ana Carolina P Vicente; Koko Otsuki; William W Hall; Ricardo Ishak
Molecular epidemiology of human T-lymphotropic virus type II infection in Amerindian and urban populations of the Amazon region of Brazil.
Human biology 2002;74(5):633-44.
2002: Ricardo Ishak; Fernando Cavalcante; A C R Vallinoto; Vânia Nakauth Azevedo; M O G Ishak
HTLV-I associated myelopathy in the northern region of Brazil (Belém-Pará): serological and clinical features of three cases.
Revista da Sociedade Brasileira de Medicina Tropical 2002;35(3):243-6.
2001: Ricardo Ishak; A C R Vallinoto; Vânia Nakauth Azevedo; M Lewis; William W Hall; M O Guimarães Ishak
Molecular evidence of mother-to-child transmission of HTLV-IIc in the Kararao Village (Kayapo) in the Amazon region of Brazil.
Revista da Sociedade Brasileira de Medicina Tropical 2001;34(6):519-25.
2001: M O G Ishak; Ricardo Ishak
[Chlamydia infection impact among native Indian groups of the Brazilian Amazon region].
Cadernos de saúde pública 2001;17(2):385-96.
2000: Martha J Lewis; P Novoa; Ricardo Ishak; M O G Ishak; Marco Salemi; Anne-Mieke Vandamme; Mark H Kaplan; William W Hall
Isolation, cloning, and complete nucleotide sequence of a phenotypically distinct Brazilian isolate of human T-lymphotropic virus type II (HTLV-II).
Virology 2000;271(1):142-54.
1998: A C R Vallinoto; Vânia Nakauth Azevedo; D E Santos; S Caniceiro; F C Mesquita; William W Hall; M O G Ishak; Ricardo Ishak
Serological evidence of HTLV-I and HTLV-II coinfections in HIV-1 positive patients in Belém, state of Pará, Brazil.
Memórias do Instituto Oswaldo Cruz 1998;93(3):407-9.
1998: Ricardo Ishak; M O G Ishak; Vânia Nakauth Azevedo; D E Santos; A C R Vallinoto; J C Saraiva; J A Crescente; William W Hall
Detection of HTLV-IIa blood donors in an urban area of the Amazon Region of Brazil (Belém, PA).
Revista da Sociedade Brasileira de Medicina Tropical 1998;31(2):193-7.
1996: Nobutaka Eiraku; P Novoa; M da Costa Ferreira; C Monken; Ricardo Ishak; O da Costa Ferreira; S W Zhu; R Lorenco; M Ishak; V Azvedo; João Farias Guerreiro; M P de Oliveira; P Loureiro; N Hammerschlak; Shinji Ijichi; W M Hall
Identification and characterization of a new and distinct molecular subtype of human T-cell lymphotropic virus type 2.
Journal of virology 1996;70(3):1481-92.
1996: W W Hall; Ricardo Ishak; S W Zhu; P Novoa; Nobutaka Eiraku; H Takahashi; M da C Ferreira; Vânia Nakauth Azevedo; M O G Ishak; O da C Ferreira; C Monken; T Kurata
Human T lymphotropic virus type II (HTLV-II): epidemiology, molecular properties, and clinical features of infection.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1996;13 Suppl 1():S204-14.
1995: A K Santos; M O G Ishak; Sidney E B Santos; João Farias Guerreiro; Ricardo Ishak
A possible correlation between the host genetic background in the epidemiology of hepatitis B virus in the Amazon region of Brazil.
Memórias do Instituto Oswaldo Cruz 1995;90(4):435-42.
1995: Ricardo Ishak; William J Harrington; Vânia Nakauth Azevedo; Nobutaka Eiraku; M O G Ishak; João Farias Guerreiro; S B Santos; T Kubo; C Monken; S Alexander
Identification of human T cell lymphotropic virus type IIa infection in the Kayapo, an indigenous population of Brazil.
AIDS research and human retroviruses 1995;11(7):813-21.
1993: M O G Ishak; Ricardo Ishak; A C Cruz; D E Santos; U Salgado
Chlamydial infection in the Amazon region of Brazil.
Transactions of the Royal Society of Tropical Medicine and Hygiene 1993;87(1):60-2.
1990: Ricardo Ishak; C R Howard
The thermal stability of yellow fever vaccines.
Memórias do Instituto Oswaldo Cruz 1990;85(3):339-45.
1989: Ricardo Ishak; M O G Ishak; K Tsiquaye; D D Cardoso
[Retrospective seroepidemiology of HIV-1].
Revista do Instituto de Medicina Tropical de São Paulo 1989;31(2):80-3.
1989: Ricardo Ishak; A C Linhares; M O G Ishak
[Biosafety in the laboratory].
Revista do Instituto de Medicina Tropical de São Paulo 1989;31(2):126-31.
1988: Ricardo Ishak; D G Tovey; C R Howard
Morphogenesis of yellow fever virus 17D in infected cell cultures.
The Journal of general virology 1988;69 ( Pt 2)():325-35.
1984: Ricardo Ishak; A da C Linhares; Yvone B Gabbay; M O G Ishak; D D Cardoso
[Seroepidemiology of rotavirus in a population of children, Goiânia, Goiás, Brazil].
Revista do Instituto de Medicina Tropical de São Paulo 1984;26(5):280-4.
1981: Ricardo Ishak; J E Leão; D D Cardoso; O Fernandes
[Prevalence of rubella antibodies in a portion of the female population, pregnant and non-pregnant women, in Goiania].
Revista do Instituto de Medicina Tropical de São Paulo 1981;23(4):139-42.