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Fig. 3 | BMC Infectious Diseases

Fig. 3

From: Functional capacity of natural killer cells in HTLV-1 associated myelopathy/tropical spastic paraparesis (HAM/TSP) patients

Fig. 3

Cytotoxic activity of NK cells from HTLV-1 infected individuals against K562 target cells. HAM/TSP: HTLV-1 associated myelopathy/Tropical spastic paraparesis, n = 6; AS: asymptomatic individuals, n = 6; CTR: uninfected controls, n = 6. Peripheral blood mononuclear cells (PBMC) were cultured in presence or absence of K562 cells (1:1) for 6 h. a expression of IFN-γ, (b) expression of perforin, (c) expression of granzyme B, (d) expression of CD107a. Data are expressed as median and interquartile interval range. Differences considered significant when P ≤ 0.05. Kruskal-Wallis test, followed by Dunn’s post-test

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