Selective activation of signal transducer and activator of transcription (STAT) proteins STAT1 and STAT3 in human endothelial cells infected with Rickettsia.

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Presentation transcript:

Selective activation of signal transducer and activator of transcription (STAT) proteins STAT1 and STAT3 in human endothelial cells infected with Rickettsia rickettsii S.K. Sahni, S. Kiriakidi, M.P. Colonne, A. Sahni, D.J. Silverman Clinical Microbiology and Infection Volume 15, Pages 303-304 (December 2009) DOI: 10.1111/j.1469-0691.2008.02248.x Copyright © 2009 European Society of Clinical Infectious Diseases Terms and Conditions

Fig. 1 (a) Western blot analysis of STAT3 phosphorylation at Serine 727 in protein extracts from human umbilical vein endothelial cells (HUVECs) infected with Rickettsia rickettsii for varying durations of time. Similar results were obtained with antibody capable of detecting STAT3 phosphorylation at Tyrosine 705. To ensure equal protein loading among gel lanes, the blots were stripped and probed with an antibody capable of detecting 50 kDa housekeeping protein a-tubulin. C = uninfected control. (b) Kinetics of STAT1 phosphorylation in protein extracts from HUVECs infected with R. rickettsii for different lengths of time. Uninfected controls (c) at different times are also shown. Clinical Microbiology and Infection 2009 15, 303-304DOI: (10.1111/j.1469-0691.2008.02248.x) Copyright © 2009 European Society of Clinical Infectious Diseases Terms and Conditions