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VZV infection inhibits phosphorylation of MLKL during TNF-induced necroptosis.

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posted on 10.07.2020, 17:39 by Megan Steain, Max O. D. G. Baker, Chi L. L. Pham, Nirukshan Shanmugam, Yann Gambin, Emma Sierecki, Brian P. McSharry, Selmir Avdic, Barry Slobedman, Margaret Sunde, Allison Abendroth

(A) Immunofluorescence staining for phosphorylated MLKL (red) and VZV IE62 antigen (green) in mock and VZV infected HT-29 adenocarcinoma cells untreated (DMSO control) or treated with TNF (T; 30 ng/ml), BV-6 (S; 1 μM) and z-VAD-fmk (V; 25 μM) for 7–8 h to induce necroptosis. Following immunostaining cells were counterstained with DAPI (blue). (B) The percentage of cells that were pMLKL positive was determined by randomly imaging 10–20 non-overlapping regions of each slide and manually counting cells from 3 independent experiments. Error bars show standard error of the mean, statistical significance was determined using a one-way ANOVA. Scale bar indicates 20 μm.

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