Immune Signaling in Neurodegeneration.

Authors:
Timothy R Hammond
Timothy R Hammond
The George Washington University
United States
Samuel E Marsh
Samuel E Marsh
University of California
La Jolla | United States
Beth Stevens
Beth Stevens
F.M. Kirby Neurobiology Center
United States

Immunity 2019 Apr;50(4):955-974

Boston Children's Hospital, F.M. Kirby Neurobiology Center, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA, USA. Electronic address:

Neurodegenerative diseases of the central nervous system progressively rob patients of their memory, motor function, and ability to perform daily tasks. Advances in genetics and animal models are beginning to unearth an unexpected role of the immune system in disease onset and pathogenesis; however, the role of cytokines, growth factors, and other immune signaling pathways in disease pathogenesis is still being examined. Here we review recent genetic risk and genome-wide association studies and emerging mechanisms for three key immune pathways implicated in disease, the growth factor TGF-β, the complement cascade, and the extracellular receptor TREM2. These immune signaling pathways are important under both healthy and neurodegenerative conditions, and recent work has highlighted new functional aspects of their signaling. Finally, we assess future directions for immune-related research in neurodegeneration and potential avenues for immune-related therapies.

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Source
http://dx.doi.org/10.1016/j.immuni.2019.03.016DOI Listing
April 2019

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