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J Clin Pathol. 2018 Jun;71(6):554-558. doi: 10.1136/jclinpath-2017-204901. Epub 2018 Feb 15.

Antimicrobial activity of a novel bioengineered honey against non-typeable Haemophilus influenzae biofilms: an in vitro study.

Author information

1
Clinical and Experimental Sciences, Faculty of Medicine and Institute for Life Sciences, University of Southampton, Southampton, UK.
2
Hampshire Hospitals NHS Foundation Trust, Winchester, UK.
3
University Hospital Southampton NHS Foundation Trust, Southampton, UK.
4
Southampton NIHR Wellcome Trust Clinical Research Facility, University Hospital Southampton NHS Foundation Trust, Southampton, UK.
5
Southampton NIHR Respiratory Biomedical Research Unit, University Hospital Southampton NHS Foundation Trust, Southampton, UK.
#
Contributed equally

Abstract

The opportunistic pathogen non-typeable Haemophilus influenzae (NTHi) plays an important role in many chronic respiratory diseases including otitis media, chronic rhinosinusitis, cystic fibrosis and chronic obstructive pulmonary disease. Biofilm formation has been implicated in NTHi colonisation, persistence of infection and recalcitrance towards antimicrobials. There is therefore a pressing need for the development of novel treatment strategies that are effective against NTHi biofilm-associated diseases. SurgihoneyRO is a honey-based product that has been bioengineered to enable the slow release of H2O2, a reactive oxygen species to which H. influenzae is susceptible. Treatment of established NTHi biofilms with SurgihoneyRO significantly reduced biofilm viability through enhanced H2O2 production and was shown to be more effective than the conventional antibiotic co-amoxiclav.

KEYWORDS:

antimicrobial resistance; bacteriology; haemophilus spp; infection control

PMID:
29449345
DOI:
10.1136/jclinpath-2017-204901
[Indexed for MEDLINE]

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