期刊
TRENDS IN MOLECULAR MEDICINE
卷 26, 期 7, 页码 670-682出版社
CELL PRESS
DOI: 10.1016/j.molmed.2019.11.006
关键词
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资金
- European Community
- Dutch MS Research Foundation
- Zabawas Foundation
Peptidoglycan (PGN) is a cell wall component of both Gram-positive and Gram- negative bacteria. Signature fragments of PGN are proinflammatory through engagement of pattern recognition receptors (PRR) on resident tissue cells and circulating leukocytes. Despite its abundance in the gut microbiota, there is lim- ited recognition that PGN could contribute to chronic neuroinflammation. This review highlights current insights into the roles of PGN as a determinant of brain inflammation, notably in multiple sclerosis (MS) and its experimental auto - immune encephalomyelitis (EAE) models. Recent studies demonstrate PGN in blood of healthy adult humans. PGN amplifies autoimmune pathology via activa- tion of innate immune cells. Novel uptake routes through (altered) gut mucosa by myeloid leukocyte subsets promote PGN transport to the brain.
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