Publication date: Available online 16 August 2017
Source:Annals of Anatomy - Anatomischer Anzeiger
Author(s): Amira-Talaat Moussa, Andrea Rabung, Sandra Reichrath, Stefan Wagenpfeil, Thai Dinh, Gabriela Krasteva-Christ, Carola Meier, Thomas Tschernig
Acetylcholine is synthetized and released from neural cells, but also by non-neuronal cells such as epithelial cells or keratinocytes. Cholinergic agonists enhance the phagocytosis of zymosan particles in primary peritoneal macrophages. The aim of this study was to investigate the effect of carbachol stimulation on phagocytosis in a macrophage cell line using microspheres. The murine cell line MH-S was used in a phagocytosis assay with fluorescent latex beads. The amount of the ingested beads was determined using flow cytometry. Gene expression was investigated using polymerase chain reaction. Gene expression of the muscarinic receptors M1, M3, M4 and M5 but not M2 was found. Carbachol slightly increased the phagocytosis of microspheres in the macrophages. A co-stimulation using lipopolysaccharide and carbachol did not increase the effect of lipopolysaccharide alone. In conclusion, cholinergic stimulation in vitro only moderately modulates the phagocytosis of microspheres. M2 might have a role in stimulation of macrophage phagocytosis.
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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
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