期刊
CURRENT OPINION IN NEUROLOGY
卷 32, 期 5, 页码 764-770出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WCO.0000000000000729
关键词
amyotrophic lateral sclerosis; lymphocytes; mast cells; monocytes; neuroinflammation
资金
- Thierry Latran Foundation
- EraNet Neuron
- ALSA
- NRJ-Institut de France
- ARMC
- SLAFR
- La Longue route
- French Ministry of Higher Education, Research and Innovation
- ARSLA
Purpose of review Amyotrophic lateral sclerosis (ALS) is a degenerative motor neuron disease with a strong neuroinflammatory component. This review summarizes how the connection between neurodegeneration and the immune system is strengthened by new discoveries from ALS genetics and the analysis of subpopulations of immune cells in ALS. Recent findings Recent genes identified in ALS encode for proteins with direct immune roles, which when mutated lead to deregulation of immune functions, potentially influencing the disease. Although neuroinflammation in the central nervous system (CNS) of ALS patients has been well documented, new evidence suggests also direct malfunctions of immune cells in the CNS and at the periphery. Although CD4+ T-regulatory lymphocytes are protective in ALS, their number and function are altered over the disease course. CD8+ T cells are detrimental for motor neurons in the CNS but show some protective roles at the periphery. Similarly, the presence of mast cells in muscles of ALS models and patients and impairments of monocyte functions reveal potential new players in ALS disease progression. Although motor neuron degeneration is considered the prime event in ALS, dysfunctions in immune processes can impact the disease, highlighting that targeting specific immune components is a strategy for developing biomarkers and ultimately new drugs.
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