Lack of recall response to Tax in ATL and HAM/TSP patients but not in asymptomatic carriers of human T-cell leukemia virus type 1
2014
Purpose & Methods
The immunopathogenic mechanisms responsible for debilitating neurodegenerative and oncologic diseases associated with human T-cell leukemia virus type 1 (HTLV-1) are not fully understood. Quality of cytotoxic T lymphocytes (CTLs) is being increasingly associated with the outcome of persistent HTLV-1 infection. In this respect, a patient cohort (from HTLV-1 endemic region) consisting of seronegative controls (controls), asymptomatic carriers (ACs), and patients with adult T-cell leukemia (ATL) or HTLV-associated myelopathy/tropical spastic paraparesis (HAM/TSP) was analyzed for CD8+ T cells polyfunctionality in response to the viral antigen Tax.
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