Article ; Online: Cholinergic signaling controls immune functions and promotes homeostasis.
International immunopharmacology
2020 Volume 83, Page(s) 106345
Abstract: Acetylcholine (ACh) was created by nature as one of the first signaling molecules, expressed already in procaryotes. Based on the positively charged nitrogen, ACh could initially mediate signaling in the absence of receptors. When evolution established ... ...
| Abstract | Acetylcholine (ACh) was created by nature as one of the first signaling molecules, expressed already in procaryotes. Based on the positively charged nitrogen, ACh could initially mediate signaling in the absence of receptors. When evolution established more and more complex organisms the new emerging organs systems, like the smooth and skeletal muscle systems, energy-generating systems, sexual reproductive system, immune system and the nervous system have further optimized the cholinergic signaling machinery. Thus, it is not surprising that ACh and the cholinergic system are expressed in the vast majority of cells. Consequently, multiple common interfaces exist, for example, between the nervous and the immune system. Research of the last 20 years has unmasked these multiple regulating mechanisms mediated by cholinergic signaling and thus, the biological role of ACh has been revised. The present article summarizes new findings and describes the role of both non-neuronal and neuronal ACh in protecting the organism from external and internal health threats, in providing energy for the whole organism and for the individual cell, controling immune functions to prevent inflammatory dysbalance, and finally, the involvement in critical brain functions, such as learning and memory. All these capacities of ACh enable the organism to attain and maintain homeostasis under changing external conditions. However, the existence of identical interfaces between all these different organ systems complicates the research for new therapeutic interventions, making it essential that every effort should be undertaken to find out more specific targets to modulate cholinergic signaling in different diseases. |
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| MeSH term(s) | Animals ; Cholinergic Agents/immunology ; Homeostasis/immunology ; Humans ; Immune System ; Immunity ; Immunologic Factors/immunology ; Learning ; Memory ; Signal Transduction |
| Chemical Substances | Cholinergic Agents ; Immunologic Factors |
| Language | English |
| Publishing date | 2020-03-20 |
| Publishing country | Netherlands |
| Document type | Journal Article ; Review |
| ZDB-ID | 2043785-7 |
| ISSN | 1878-1705 ; 1567-5769 |
| ISSN (online) | 1878-1705 |
| ISSN | 1567-5769 |
| DOI | 10.1016/j.intimp.2020.106345 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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