The effects of oxymetazoline on lysozyme secretion from the human nasal mucosa

Acta Oto-laryngologica
S BrowningR Eccles

Abstract

Lysozyme is a protein secreted by nasal submucosal glands. Its secretion is under cholinergic control. It is considered important in nasal defence as it enzymatically hydrolyses peptidoglycan bonds in bacterial cell walls and has specific activity against Gram-positive bacteria in vitro. Oxymetazoline is freely available as a non-prescription nasal decongestant. Some recent work has shown that it has no effect on histamine-induced plasma exudation but little is known about its effects on glandular secretion. The current study is a randomized controlled study that investigates the effect of topical oxymetazoline on the total protein and lysozyme content of nasal fluid. Thirty healthy volunteers were randomized to receive either a normal saline nasal spray (placebo) or an active spray of oxymetazoline, 0.05% (w/v) in saline. NAR was assessed in all subjects using posterior rhinomanometry and nasal lavage before the application of the spray and again 10 min later. The results were analysed using non-parametric statistics. There was a significant decrease in both the lysozyme and total protein content of nasal lavage after application of oxymetazoline when compared with placebo (p < 0.05). A possible mechanism for the observed dece...Continue Reading

References

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Citations

Jul 11, 2006·Expert Opinion on Drug Delivery·Edward T Maggio
Feb 9, 2007·Experimental Dermatology·Andrea TuettenbergHelmut Jonuleit

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Bacterial Cell Wall Structure (ASM)

Bacterial cell walls are made of peptidoglycan (also called murein), which is made from polysaccharide chains cross-linked by unusual peptides containing D-amino acids. Here is the latest research on bacterial cell wall structures.

Bacterial Cell Wall Structure

Bacterial cell walls are made of peptidoglycan (also called murein), which is made from polysaccharide chains cross-linked by unusual peptides containing D-amino acids. Here is the latest research on bacterial cell wall structures.

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