Schistosoma antigens downregulate CXCL9 production by PBMC of HTLV-1-infected individuals

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Schistosoma antigens downregulate CXCL9 production by PBMC of HTLV-1-infected individuals.

HTLV-1 is the causal agent of Adult T cell Leukemia/lymphoma (ATLL) and HTLV-1-associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP). The immune response to HTLV-1-infection is polarized to the Th1-type, and the presence of CXCL9/CXCL10 chemokines may lead to an increase in the recruitment of pro-inflammatory molecules in spinal cord tissue, contributing to the damage observed in the dev...

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Oral Manifestations in Individuals Infected by HTLV-1 Virus

The vertical transmission of the T-cell lymphotropic virus type I (HTLV-1) occurs predominantly through breast-feeding [2]. The infection can be transmitted through sexual contact, blood transfusion, and through needle sharing among drug users. Its transmission is active in many areas such as parts of Africa, South and Central America, the Caribbean region, Asia and Melanesia [3]. It is estimat...

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Psychiatric Disorders in HTLV-1-Infected Individuals with Bladder Symptoms

BACKGROUND Previous studies have reported high rates of depression and anxiety in HTLV-1 infected individuals with the neurological disease and in the asymptomatic phase. No study has investigated the rates in individuals that already show bladder symptoms without severe neurological changes; that is, during the oligosymptomatic phase. The present study investigated patients in this intermediat...

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Reduction of human T-cell leukemia virus type 1 (HTLV-1) proviral loads in rats orally infected with HTLV-1 by reimmunization with HTLV-1-infected cells.

Human T-cell leukemia virus type 1 (HTLV-1) persistently infects humans, and the proviral loads that persist in vivo vary widely among individuals. Elevation in the proviral load is associated with serious HTLV-1-mediated diseases, such as adult T-cell leukemia and HTLV-1-associated myelopathy/tropical spastic paraparesis. However, it remains controversial whether HTLV-1-specific T-cell immunit...

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Effect of TNF-α production inhibitors on the production of pro-inflammatory cytokines by peripheral blood mononuclear cells from HTLV-1-infected individuals.

Human T lymphotropic virus type 1 (HTLV-1) is the causal agent of myelopathy/tropical spastic paraparesis (HAM/TSP), a disease mediated by the immune response. HTLV-1 induces a spontaneous proliferation and production of pro-inflammatory cytokines by T cells, and increasing interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α) levels are potentially involved in tissue damage in diseases rela...

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ژورنال

عنوان ژورنال: Acta Tropica

سال: 2017

ISSN: 0001-706X

DOI: 10.1016/j.actatropica.2016.12.030