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STAT3

T Helper Plasticity Is Orchestrated by STAT3, Bcl6, and Blimp-1 Balancing Pathology and Protection in Malaria

July 28, 2020 - 15:07 -- Open Access
Author(s): 
Carpio VH, Aussenac F, Puebla-Clark L, Wilson KD, Villarino AV, Dent AL, Stephens R
Reference: 
iScience. 2020 Jul 24;23(7):101310

Hybrid Th1/Tfh cells (IFN-γ+IL-21+CXCR5+) predominate in response to several persistent infections. In Plasmodium chabaudi infection, IFN-γ+ T cells control parasitemia, whereas antibody and IL-21+Bcl6+ T cells effect final clearance, suggesting an evolutionary driver for the hybrid population. We found that CD4-intrinsic Bcl6, Blimp-1, and STAT3 coordinately regulate expression of the Th1 master regulator T-bet, supporting plasticity of CD4 T cells.

NOT Open Access | Dihydroartemisinin inhibits endothelial cell tube formation by suppression of the STAT3 signaling pathway

January 15, 2020 - 08:01 -- NOT Open Access
Author(s): 
Gao P, Wang LL, Liu J, Dong F, Song W, Liao L, Wang B, Zhang W, Zhou X, Xie Q, Sun R, Liu J
Reference: 
Life Sciences, Volume 242, 1 February 2020, 117221

Endothelial cell (EC) tube formation is crucial for tumor angiogenesis, which becomes a target for chemotherapy. The anti-malaria agent dihydroartemisinin (DHA) inhibited tumor growth and angiogenesis. The aim of this study was to investigate the effects of DHA on EC tube formation and the underlying mechanisms.

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