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Neutrophil activation by fMLP regulates FOXO (forkhead) transcription factors by multiple pathways, one of which includes the binding of FOXO to the survival factor Mcl-1. | LitMetric

Neutrophil activation by fMLP regulates FOXO (forkhead) transcription factors by multiple pathways, one of which includes the binding of FOXO to the survival factor Mcl-1.

J Leukoc Biol

Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.

Published: October 2003

AI Article Synopsis

Article Abstract

Activation signals from bacterial stimuli set into motion a series of events that alter the abbreviated lifespan of neutrophils. These studies show that the bacterial chemoattractant, formyl-Met-Leu-Phe (fMLP), promotes the phosphorylation/inactivation of the FOXO subfamily of forkhead transcription factors (FKHR, FKHR-L1, and AFX) through the phosphatidylinositol-3-kinase/Akt (protein kinase B) and the RAS mitogen-activated protein kinase pathways. Furthermore, fMLP stimulation causes the inducible expression of the prosurvival Bcl-2 family member Mcl-1, which then binds to a complex containing FKHR. These studies show that fMLP-stimulated neutrophils coordinate the regulation of FOXO transcription factors and the survival factor Mcl-1, a mechanism that may allow neutrophils to alter their survival.

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Source
http://dx.doi.org/10.1189/jlb.0103020DOI Listing

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