Evaluation of the Impact of Near-Infrared Multiwavelength Locked System Laser Therapy on Skin Microbiome in Atopic Dogs

Author:

Muñoz Declara Sara1ORCID,D’Alessandro Aldo2ORCID,Gori Agnese2,Cerasuolo Benedetta2,Renzi Sonia2ORCID,Berlanda Michele3ORCID,Zini Eric134,Monici Monica2ORCID,Cavalieri Duccio2ORCID,Zanna Giordana1ORCID

Affiliation:

1. Anicura Istituto Veterinario di Novara, Strada Provinciale 9, 28060 Granozzo con Monticello, NO, Italy

2. Department of Biology, University of Florence, Via Madonna del Piano 6, 50019 Sesto Fiorentino, FI, Italy

3. Department of Animal Medicine, Production and Health, University of Padova, Viale dell’Università 16, 35020 Legnaro, PD, Italy

4. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland

Abstract

Photobiomodulation (PBM) is a newly adopted consensus term to replace the therapeutic application of low-level laser therapy. It has been suggested that PMB influences the microbiome which, in turn, has increasingly been shown to be linked with health and disease. Even though the use of PBM has also grown dramatically in veterinary medicine, there is still a lack of evidence supporting its effect in vivo. Our objective was to investigate the impact of a dual-wavelength near-infrared laser source (Multiwavelength Locked Laser System, MLS®) on the skin microbiome in atopic dogs. Twenty adult-client-owned atopic dogs were enrolled in the study. The dogs were treated with MLS® laser therapy on one half of the abdominal region, whereas the contralateral side was left untreated and served as a control. Skin microbiome samples were collected before and after MLS® treatments, and then subjected to NGS-based ITS and 16S rRNA analysis. The results showed that while microbiome composition and diversity were not significantly affected, PBM could play a role in modulating the abundance of specific bacterial species, in particular Staphylococcus, that represent a major skin pathogenic strain. To the best of the authors’ knowledge, this is the first study to investigate the potential impact of MLS® laser therapy on the skin microbiome in atopic dogs.

Funder

ANICURA 2020 RESEARCH FOUNDATION

Publisher

MDPI AG

Reference82 articles.

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3. Riegel, R.J. (2017). Laser Therapy in Veterinary Medicine, Wiley.

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