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Home / Archives for Alvarez C

A Fashi lymphoproliferative phenotype reveals non-apoptotic fas signaling in HTLV-1-associated neuroinflammation

  • Autores: Alvarez C, Brassat D, Decanine D, Dierckx T, Galvão-Castro B, Gotuzzo E, Khouri R, Kruschewsky R, Leal FE, Liblau R, López G, Menezes SM, Nixon DF, Schnitman SV, Silva-Santos G, Talledo M, Van Weyenbergh J, Vandamme AM, Vercauteren J
  • Ano de Publicação: 2017
  • Journal: Frontiers in Immunology
  • Link: https://www.frontiersin.org/articles/10.3389/fimmu.2017.00097/full

Human T-cell lymphotropic virus (HTLV)-1 was the first human retrovirus to be associated to cancer, namely adult T-cell leukemia (ATL), but its pathogenesis remains enigmatic, since only a minority of infected individuals develops either ATL or the neuroinflammatory disorder HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). A functional FAS -670 polymorphism in an interferon (IFN)-regulated STAT1-binding site has been […]
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Family aggregation of human T-lymphotropic virus 1-associated diseases: A systematic review

  • Autores: Alvarez C, Gotuzzo E, Vandamme AM, Verdonck K
  • Ano de Publicação: 2016
  • Journal: Frontiers in Microbiology
  • Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5083714/

Human T-lymphotropic virus 1 (HTLV-1) is a retrovirus that produces a persistent infection. Two transmission routes (from mother to child and via sexual intercourse) favor familial clustering of HTLV-1. It is yet unknown why most HTLV-1 carriers remain asymptomatic while about 10% of them develop complications. HTLV-1 associated diseases were originally described as sporadic entities, […]
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Ascorbic acid has superior ex vivo antiproliferative, cell death-inducing and immunomodulatory effects over IFN-α in HTLV-1-associated myelopathy.

  • Autores: Alvarez C, de Almeida Kruschewsky R, Decanine D, Galvão-Castro B, Gotuzzo E, Khouri R, López G, Menezes SM, Moens B, Silva-Santos G, Talledo M, Van Weyenbergh J
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Ascorbic+Acid+Has+Superior+Ex+Vivo+Antiproliferative%2C+Cell+Death-Inducing+and+Immunomodulatory+Effects+over+IFN-alpha+in+HTLV-1-Associated+Myelopathy

BACKGROUND:
Clear therapeutic guidelines for HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) are missing due to the lack of randomized double-blind controlled clinical trials. Moderate yet similar clinical benefit has been demonstrated for IFN-α and high-dose ascorbic acid (AA) monotherapy in a large open clinical trial.
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Enhanced heterosexual transmission hypothesis for the origin of pandemic HIV-1.

  • Autores: Alvarez C, de Sousa JD, Müller V, Vandamme AM
  • Journal: Viruses-Basel
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Enhanced+Heterosexual+Transmission+Hypothesis+for+the+Origin+of+Pandemic+HIV-1

HIV-1 M originated from SIVcpz endemic in chimpanzees from southeast Cameroon or neighboring areas, and it started to spread in the early 20th century. Here we examine the factors that may have contributed to simian-to-human transmission, local transmission between humans, and export to a city.
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CD80+ and CD86+ B cells as biomarkers and possible therapeutic targets in HTLV-1 associated myelopathy/tropical spastic paraparesis and multiple sclerosis

  • Autores: Alvarez C, Brassat D, Decanine D, Galvão-Castro B, Gotuzzo E, Khouri R, Kruschewsky R, Liblau R, López G, Menezes SM, Schnitman SV, Talledo M, Vandamme AM, Weyenbergh JV
  • Ano de Publicação: 2014
  • Journal: Journal of Neuroinflammation
  • Link: http://www.jneuroinflammation.com/content/11/1/18

Human T-cell lymphotropic virus (HTLV-1) is the causative agent of the incapacitating, neuroinflammatory disease HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Currently, there are no disease-modifying therapies with long-term clinical benefits or validated biomarkers for clinical follow-up in HAM/TSP.
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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