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de Oliveira Andrade F, Cucco MS, Borba MMN, Neto RC, Gois LL, de Almeida Rego FF, Santos LA, Barreto FK. An overview of sequencing technology platforms applied to HTLV-1 studies: a systematic review. Arch Virol 2021; 166:3037-3048. [PMID: 34415436 PMCID: PMC8377154 DOI: 10.1007/s00705-021-05204-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 06/20/2021] [Indexed: 11/28/2022]
Abstract
Human T-lymphotropic virus type 1 (HTLV-1) was the first human retrovirus described. The viral factors involved in the different clinical manifestations of infected individuals are still unknown, and in this sense, sequencing technologies can support viral genome studies, contributing to a better understanding of infection outcome. Currently, several sequencing technologies are available with different approaches. To understand the methodological advances in the HTLV-1 field, it is necessary to organize a synthesis by a rigorous review. This systematic literature review describes different technologies used to generate HTLV-1 sequences. The review follows the PRISMA guidelines, and the search for articles was performed in PubMed, Lilacs, Embase, and SciELO databases. From the 574 articles found in search, 62 were selected. The articles showed that, even with the emergence of new sequencing technologies, the traditional Sanger method continues to be the most commonly used methodology for generating HTLV-1 genome sequences. There are many questions that remain unanswered in the field of HTLV-1 research, and this reflects on the small number of studies using next-generation sequencing technologies, which could help address these gaps. The data compiled and analyzed here can help research on HTLV-1, assisting in the choice of sequencing technologies.
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Affiliation(s)
- Felipe de Oliveira Andrade
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58. Bairro Candeias, Vitória da Conquista, 45.029-094, Brazil
| | - Marina Silveira Cucco
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina da Bahia, Programa de Pós-graduação em Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | | | | | - Luana Leandro Gois
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Escola Bahiana de Medicina e Saúde Pública, Salvador, Brazil
- Universidade Católica do Salvador, Salvador, Brazil
| | | | - Luciane Amorim Santos
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina da Bahia, Programa de Pós-graduação em Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
- Escola Bahiana de Medicina e Saúde Pública, Salvador, Brazil
- Universidade Católica do Salvador, Salvador, Brazil
| | - Fernanda Khouri Barreto
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Campus Anísio Teixeira, Rua Hormindo Barros, 58. Bairro Candeias, Vitória da Conquista, 45.029-094, Brazil.
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Magri MC, de Macedo Brigido LF, Rodrigues R, Morimoto HK, de Paula Ferreira JL, Caterino-de-Araujo A. Phylogenetic and similarity analysis of HTLV-1 isolates from HIV-coinfected patients from the south and southeast regions of Brazil. AIDS Res Hum Retroviruses 2012; 28:110-4. [PMID: 21591992 DOI: 10.1089/aid.2011.0117] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
HTLV-1 is endemic in Brazil and HIV/HTLV-1 coinfection has been detected, mostly in the northeast region. Cosmopolitan HTLV-1a is the main subtype that circulates in Brazil. This study characterized 17 HTLV-1 isolates from HIV coinfected patients of southern (n=7) and southeastern (n=10) Brazil. HTLV-1 provirus DNA was amplified by nested PCR (env and LTR) and sequenced. Env sequences (705 bp) from 15 isolates and LTR sequences (731 bp) from 17 isolates showed 99.5% and 98.8% similarity among sequences, respectively. Comparing these sequences with ATK (HTLV-1a) and Mel5 (HTLV-1c) prototypes, similarities of 99% and 97.4%, respectively, for env and LTR with ATK, and 91.6% and 90.3% with Mel5, were detected. Phylogenetic analysis showed that all sequences belonged to the transcontinental subgroup A of the Cosmopolitan subtype, clustering in two Latin American clusters.
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Affiliation(s)
- Mariana Cavalheiro Magri
- Laboratório de Retrovirus, Centro de Virologia, Instituto Adolfo Lutz, Secretaria de Estado da Saúde de São Paulo, São Paulo, S.P., Brazil
- Faculdade de Ciências Farmacêuticas–Universidade de São Paulo, São Paulo, S.P., Brazil
| | - Luis Fernando de Macedo Brigido
- Laboratório de Retrovirus, Centro de Virologia, Instituto Adolfo Lutz, Secretaria de Estado da Saúde de São Paulo, São Paulo, S.P., Brazil
| | - Rosangela Rodrigues
- Laboratório de Retrovirus, Centro de Virologia, Instituto Adolfo Lutz, Secretaria de Estado da Saúde de São Paulo, São Paulo, S.P., Brazil
| | - Helena Kaminami Morimoto
- Departmento de Patologia, Análises Clínicas e Toxicológicas, Universidade Estadual de Londrina, Londrina, PR., Brazil
| | - João Leandro de Paula Ferreira
- Laboratório de Retrovirus, Centro de Virologia, Instituto Adolfo Lutz, Secretaria de Estado da Saúde de São Paulo, São Paulo, S.P., Brazil
| | - Adele Caterino-de-Araujo
- Faculdade de Ciências Farmacêuticas–Universidade de São Paulo, São Paulo, S.P., Brazil
- Centro de Imunologia, Instituto Adolfo Lutz, Secretaria de Estado da Saúde de São Paulo, São Paulo, S.P., Brazil
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Caterino-de-Araujo A, Magri MC, Costa EAS, Manuel RCR. Human T-lymphotropic virus type 1 infection in a patient with arthritis in mozambique: molecular characterization of human T-lymphotropic virus type 1 isolate. AIDS Res Hum Retroviruses 2011; 27:1255-7. [PMID: 21495877 DOI: 10.1089/aid.2011.0082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Adele Caterino-de-Araujo
- Immunology Department, Adolfo Lutz Institute, Secretary of Health of São Paulo, São Paulo, S.P., Brazil
- Faculdade de Ciências Farmacêuticas–University of São Paulo, São Paulo, S.P., Brazil
- Coordenadoria de Controle de Doenças, Secretary of Health of São Paulo, São Paulo, S.P., Brazil
| | - Mariana Cavalheiro Magri
- Immunology Department, Adolfo Lutz Institute, Secretary of Health of São Paulo, São Paulo, S.P., Brazil
- Faculdade de Ciências Farmacêuticas–University of São Paulo, São Paulo, S.P., Brazil
| | - Emanuela Avelar Silva Costa
- Immunology Department, Adolfo Lutz Institute, Secretary of Health of São Paulo, São Paulo, S.P., Brazil
- Coordenadoria de Controle de Doenças, Secretary of Health of São Paulo, São Paulo, S.P., Brazil
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Morimoto HK, Morimoto AA, Reiche EMV, Ueda LT, Matsuo T, Reiche FV, Caterino-de-Araujo A. Difficulties in the diagnosis of HTLV-2 infection in HIV/AIDS patients from Brazil: comparative performances of serologic and molecular assays, and detection of HTLV-2b subtype. Rev Inst Med Trop Sao Paulo 2008; 49:225-30. [PMID: 17823751 DOI: 10.1590/s0036-46652007000400006] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2006] [Accepted: 11/28/2006] [Indexed: 11/21/2022] Open
Abstract
The current diagnosis of human T-lymphotropic virus type-2 (HTLV-2) infection is based on the search of specific antibodies; nevertheless, several studies conducted in Brazil pointed deficiencies of the commercially available kits in detecting HTLV-2, mostly in HIV/AIDS patients. This study searched for the presence of HTLV-1 and -2 in 758 HIV/AIDS patients from Londrina, Paraná, Brazil. Serum samples were screened for HTLV-1/2 antibodies using two EIA kits (Vironostika and Murex), and confirmed by WB (HTLV Blot 2.4, Genelabs). The results obtained by EIA disclosed 49 (6.5%) reactive sera: 43 positive by both EIA kits, and six with discordant results. WB confirmed HTLV-1 infection in seven samples (0.9%) and HTLV-2 in 21 sera (2.8%). Negative and indeterminate results were detected in four (0.5%) and 16 (2.1%) sera, respectively. Blood from 47 out of 49 HTLV seroreactive patients were collected and analyzed for the presence of env, LTR and tax genomic segments of HTLVs by PCR. PCR confirmed six cases of HTLV-1 and 37 cases of HTLV-2 infection (14 out of 16 that were found to be WB indeterminate). Restriction analysis of the env PCR products of HTLV-2 disclosed 36 isolates of HTLV-2a/c subtype, and one of HTLV-2b subtype. These results emphasize the need of improving serologic tests for detecting truly HTLV-2 infected patients from Brazil, and confirm the presence of HTLV-2b subtype in the South of this country.
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Affiliation(s)
- Helena Kaminami Morimoto
- Departamento de Patologia, Análises Clínicas e Toxicológicas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Paraná, Brasil
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Adult T-cell lymphoma with HTLV-I and HTLV-II infection. South Med J 2007; 100:1178-9. [PMID: 17984755 DOI: 10.1097/smj.0b013e318157efef] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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van der Kuyl AC, Cornelissen M. Identifying HIV-1 dual infections. Retrovirology 2007; 4:67. [PMID: 17892568 PMCID: PMC2045676 DOI: 10.1186/1742-4690-4-67] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2007] [Accepted: 09/24/2007] [Indexed: 11/15/2022] Open
Abstract
Transmission of human immunodeficiency virus (HIV) is no exception to the phenomenon that a second, productive infection with another strain of the same virus is feasible. Experiments with RNA viruses have suggested that both coinfections (simultaneous infection with two strains of a virus) and superinfections (second infection after a specific immune response to the first infecting strain has developed) can result in increased fitness of the viral population. Concerns about dual infections with HIV are increasing. First, the frequent detection of superinfections seems to indicate that it will be difficult to develop a prophylactic vaccine. Second, HIV-1 superinfections have been associated with accelerated disease progression, although this is not true for all persons. In fact, superinfections have even been detected in persons controlling their HIV infections without antiretroviral therapy. Third, dual infections can give rise to recombinant viruses, which are increasingly found in the HIV-1 epidemic. Recombinants could have increased fitness over the parental strains, as in vitro models suggest, and could exhibit increased pathogenicity. Multiple drug resistant (MDR) strains could recombine to produce a pan-resistant, transmittable virus. We will describe in this review what is presently known about super- and re-infection among ambient viral infections, as well as the first cases of HIV-1 superinfection, including HIV-1 triple infections. The clinical implications, the impact of the immune system, and the effect of anti-retroviral therapy will be covered, as will as the timing of HIV superinfection. The methods used to detect HIV-1 dual infections will be discussed in detail. To increase the likelihood of detecting a dual HIV-1 infection, pre-selection of patients can be done by serotyping, heteroduplex mobility assays (HMA), counting the degenerate base codes in the HIV-1 genotyping sequence, or surveying unexpected increases in the viral load during follow-up. The actual demonstration of dual infections involves a great deal of additional research to completely characterize the patient's viral quasispecies. The identification of a source partner would of course confirm the authenticity of the second infection.
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Affiliation(s)
- Antoinette C van der Kuyl
- Laboratory of Experimental Virology, Department of Medical Microbiology, Centre for Infection and Immunity Amsterdam (CINIMA), Academic Medical Centre of the University of Amsterdam, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands
| | - Marion Cornelissen
- Laboratory of Experimental Virology, Department of Medical Microbiology, Centre for Infection and Immunity Amsterdam (CINIMA), Academic Medical Centre of the University of Amsterdam, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands
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Morimoto HK, Caterino-De-Araujo A, Morimoto AA, Reiche EMV, Ueda LT, Matsuo T, Stegmann JW, Reiche FV. Seroprevalence and risk factors for human T cell lymphotropic virus type 1 and 2 infection in human immunodeficiency virus-infected patients attending AIDS referral center health units in Londrina and other communities in Paraná, Brazil. AIDS Res Hum Retroviruses 2005; 21:256-62. [PMID: 15943567 DOI: 10.1089/aid.2005.21.256] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The municipality of Londrina ranks second in the number of AIDS cases in the state of Paraná, Brazil, with the Ministry of Health notified of 1070 cases from 1984 to 2002. The aim of this study was to determine the seroprevalence and risk factors for HTLV-1/2 infection in HIV-infected patients attending the AIDS Reference Center serving Londrina (and surrounding region), Paraná, Brazil. Data concerning sociodemographic conditions and risk factors were collected from 784 HIV-infected patients, using a questionnaire. Blood samples were obtained from 758 of the patients and subjected to serologic screening tests for the determination of HTLV-1/2, as well as hepatitis B virus (HBV), hepatitis C virus (HCV), and syphilis. Most patients were white (mean age, 35.9 years); 55.9% were males and 44.1% were females. The most frequent sexually transmitted disease was gonorrhea (28.5%), followed by syphilis (14.3%) and condyloma (12.2%). The major risk factors associated with the acquisition of retroviruses were sexual contact (84.8%) and intravenous drug use (IDU, 11.9%). The overall infection seroprevalence was 6.4% for HTLV-1/2, 37.2% for HBV, 21.0% for HCV, and 24.4% for syphilis. HTLV-1 and HTLV-2 infections were confirmed in 0.8 and 4.9% of patients, respectively. HIV/HTLV-1/2 coinfection was more frequent in IDUs (59.2% of cases) and was strongly associated with HCV (22.60 [95% CI, 10.35-49.35]). A weak association with HBV (2.09 [95% CI, 1.13-3.90]) and no association with syphilis were observed. The results showed that human retroviruses are circulating in southern Brazil, mainly among white people of both genders of low socioeconomic conditions and educational level. Although the sexual route was considered to be the major risk factor for HIV infection, HTLV-1/2 infection was strongly associated with IDU.
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Affiliation(s)
- Helena K Morimoto
- Department of Pathology, Clinical Analysis and Toxicology, Health Sciences Center, Londrina State University, 86038-440 Londrina, Paraná, Brazil.
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Zehender G, Colasante C, De Maddalena C, Bernini F, Savasi V, Persico T, Merli S, Ridolfo A, Santambrogio S, Moroni M, Galli M. High prevalence of human T-lymphotropic virus type 1 (HTLV-1) in immigrant male-to-female transsexual sex workers with HIV-1 infection. J Med Virol 2004; 74:207-15. [PMID: 15332268 DOI: 10.1002/jmv.20165] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Human T-lymphotropic virus type 1 and 2 (HTLV-1 and HTLV-2) infections in Europe are limited to intravenous drug users and migrants coming from areas in which they are endemic. A survey was undertaken of HTLV-1 and HTLV-2 infections in 393 recent immigrants: 167 HIV-1 positive subjects (including 52 male-to-female transsexual sex workers) and 226 pregnant HIV-1 negative women. The prevalence of HTLV-1 was 3.6% in the HIV-1 positive group and 0.9% in the HIV-1 negative group. The highest HTLV-1 prevalence in both groups was found in persons from Latin America, particularly those born in Peru (up to 26% in the HIV-1 positive group). All of the HIV-1/HTLV-1 co-infected individuals were male-to-female transsexual sex workers in whom the overall prevalence of HTLV-1 infection was 11.5%. HTLV-2 was only found in the HIV-1 positive group (prevalence 1.2%); all of the infected subjects were transsexual sex workers from Brazil (overall prevalence 6.4%). Phylogenetic analysis showed that all of the HTLV-1 isolates were of the cosmopolitan type, clustering with other strains circulating in the patients' birthplaces; the HTLV-2 isolates were of subtype 2a, and clustered significantly with other Brazilian strains. These results suggest the independent origin of each infection in the patient's birthplace. The data raise concerns about the further spread of HTLV infections mainly through the sexual route.
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Affiliation(s)
- Gianguglielmo Zehender
- Istituto di Malattie Infettive e Tropicali-Università di Milano, Centro Interdisciplinare per gli Studi Biomolecolari e le Applicazioni Industriali (CISI), Milan, Italy.
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