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Lysophosphatidylcholine activates caspase-1 in microglia via a novel pathway involving two inflammasomes. | LitMetric

Lysophosphatidylcholine activates caspase-1 in microglia via a novel pathway involving two inflammasomes.

J Neuroimmunol

Charité - Universitätsmedizin Berlin, Institute of Physiology, 10117 Berlin, Germany. Electronic address:

Published: September 2017

AI Article Synopsis

Article Abstract

Inflammasomes regulate microglial caspase-1 activation and subsequent neuroinflammatory processes in brain pathology. In the present study, we have identified inflammasomes causing caspase-1 activation following stimulation of microglia with lysophosphatidylcholine (LPC), a proinflammatory lipid generated under pathological conditions in the brain. LPC-induced caspase-1 activation in microglia was found to depend on LPS prestimulation, inflammasome NLRP3 and adaptor molecule ASC. Furthermore, knockdown of inflammasome NLRC4 inhibited LPC-stimulated caspase-1 activity in microglia, suggesting the requirement of two inflammasomes for optimal caspase-1 activity.

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Source
http://dx.doi.org/10.1016/j.jneuroim.2017.07.004DOI Listing

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