期刊
BIOLOGICAL CHEMISTRY
卷 403, 期 1, 页码 27-41出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/hsz-2021-0258
关键词
Alzheimer's disease; biased agonism; FPR; neuroinflammation
资金
- Ministerium fur Wissenschaft und Gesundheit (MWG) , Rheinland Pfalz , NeurodegX Forschungskolleg
Inflammation plays a central role in neurodegenerative diseases, and formyl peptide receptors (FPRs) are key players in this process. FPRs trigger various signaling pathways that regulate immune and nervous system responses to inflammation. The interaction between FPRs and neuropathological and neuroprotective ligands, as well as their role in cell signaling pathways, are the focus of research.
Inflammation is a central element of many neurodegenerative diseases. Formyl peptide receptors (FPRs) can trigger several receptor-dependent signal transduction pathways that play a key role in neuroinflammation and neurodegeneration. They are chemotactic receptors that help to regulate pro-and anti-inflammatory responses in most mammals. FPRs are primarily expressed in the immune and nervous systems where they interact with a complex pattern of pathogen-derived and host-endogenous molecules. Mounting evidence points towards a contribution of FPRs - via neuropathological ligands such as Amyloid beta, and neuroprotective ligands such as Humanin, Lipoxin A4, and Annexin A1 - to multiple pathological aspects of neurodegenerative diseases. In this review, we aim to summarize the interplay of FPRs with neuropathological and neuroprotective ligands. Next, we depict their capability to trigger a number of ligand-dependent cell signaling pathways and their potential to interact with additional intracellular cofactors. Moreover, we highlight first studies, demonstrating that a pharmacological inhibition of FPRs helps to ameliorate neuroinflammation, which may pave the way towards novel therapeutic strategies.
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