نتایج جستجو برای: htlv ihamtsphlaproviral load
تعداد نتایج: 154086 فیلتر نتایج به سال:
OBJECTIVE Th1 activation based on a high HTLV-I proviral load is one of the characteristic immunological abnormalities in the peripheral blood lymphocytes of patients with HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP). To clarify the cause of this abnormality with the potential to be one of the therapeutic targets, we analyzed the involvement of interleukin-2 (IL-2)/IL-2 r...
BACKGROUND/AIMS Human T-cell lymphotropic virus type 1 (HTLV-1) is a retrovirus that causes a persistent infection, and only 0.5-5% of infected individuals will develop HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Therefore, we investigated parameters to discriminate HTLV-1 asymptomatic carriers (ACs) with an increased chance to develop HAM/TSP. METHODS We evaluated in...
Serological screening for human T-lymphotropic virus type 1 (HTLV-1) parallels the standard screening process for human immunodeficiency virus (HIV), in which samples found positive by enzyme-linked immunosorbent assay (ELISA) are confirmed with a modified Western blot procedure. There are a significant number of cases in which HTLV-1/2 ELISA-positive specimens demonstrate an incomplete banding...
BACKGROUND The human T lymphotropic virus (HTLV)-I or -II proviral load (VL) may be linked to viral pathogenesis, but prospective data on VL and disease outcomes are lacking. METHODS Using data from a prospective cohort study of HTLV disease outcomes, we examined baseline VLs with real-time quantitative polymerase chain reaction in 122 HTLV-I- and 319 HTLV-II-infected subjects and serial VLs ...
Cytotoxic T lymphocytes (CTLs) play a central role in the protective immune response to human T-lymphotropic virus 1 (HTLV-1). Here we consider two questions. First, what determines the strength of an individual's HTLV-1-specific CTL response? Second, what controls the rate of expression of HTLV-1 in vivo, which is greater in patients with HAM/TSP than in asymptomatic carriers with the same pro...
Abstract Background The human T-cell lymphotropic virus (HTLV) infects a type of white blood cell called or T-lymphocyte. There are two types HTLV, HTLV-I and HTLV-II, which closely related to C retroviruses. is endemic in the Caribbean, Japan, South America, parts Africa. has been recognized as cause adult leukemia (ATL) HTLV-associated myelopathy/tropical spastic paraparesis (HAM/TSP). HTLV-I...
BACKGROUND Adult T-cell leukemia/lymphoma (ATLL) is an aggressive malignancy with very poor prognosis and short survival, caused by the human T-lymphotropic virus type-1 (HTLV-1). The HTLV-1 biomarkers trans-activator x (TAX) and HTLV-1 basic leucine zipper factor (HBZ) are main oncogenes and life-threatening elements. This study aimed to assess the role of the TAX and HBZ genes and HTLV-1 prov...
Abstract Background Frequent and rapid development of myelopathy has been reported in individuals with human T-lymphotropic virus type 1 (HTLV-1) infection following solid organ transplantation. There is no information regarding HTLV-2, a closely related that often infects injection drug users. Methods This study includes retrospective analysis all consecutive transplants performed during the l...
Adult T-cell leukemia/lymphoma (ATL), a human T-lymphotropic virus type 1 (HTLV-1)-associated disease, has a highly variable clinical course and four subtypes with therapeutic and prognostic implications. However, there are overlapping features between ATL subtypes and between ATL and nonmalignant (non-ATL) HTLV-1 infection complicating diagnosis and prognostication. To further refine the diagn...
BACKGROUND Periodontal diseases (PDs) are infectious diseases in which periodontopathogens trigger chronic inflammatory and immune responses that lead to tissue destruction. Recently, viruses have been implicated in the pathogenesis of PDs. Individuals infected with human T lymphotropic virus 1 (HTLV-1) present with abnormal oral health and a marked increased prevalence of periodontal disease. ...
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