ArticleNeurology(R) neuroimmunology & neuroinflammation2026
HTLV-1-Infected CD4
Article in Neurology(R) neuroimmunology & neuroinflammation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
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Abstract
BACKGROUND AND
objectivesSpontaneous lymphoproliferation (SP) is an ex vivo phenomenon where lymphocytes proliferate without exogenous stimulation in peripheral blood mononuclear cells (PBMCs) from patients with human T-cell leukemia virus type 1 (HTLV-1)-associated myelopathy/tropical spastic paraparesis (HAM/TSP). SP is thought to reflect spinal cord pathology in HAM/TSP, but its cellular mechanisms remain unclear.
methodsPBMCs from 30 patients with HAM/TSP, 12 asymptomatic HTLV-1 carriers, and 8 healthy controls (HCs) were labeled with a proliferation tracer and cultured for 6 days without exogenous stimulation. Flow cytometry was used to identify T-cell subsets, HTLV-1-infected cells, and HTLV-1-specific cytotoxic T lymphocytes (CTLs). Additional analyses included CTL antigen specificity, proviral load (PVL), phenotypic profiling (differentiation, activation, exhaustion markers), and cytokine/chemokine quantification in culture supernatants.
resultsCD8 DISCUSSION: SP is driven by HTLV-1-infected CD4
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