Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

An Eye on the Dog as the Scientist’s Best Friend for Translational Research in Ophthalmology: Focus on the Ocular Surface

Version 1 : Received: 20 May 2020 / Approved: 23 May 2020 / Online: 23 May 2020 (05:59:39 CEST)

How to cite: Sebbag, L.; Mochel, J.P. An Eye on the Dog as the Scientist’s Best Friend for Translational Research in Ophthalmology: Focus on the Ocular Surface. Preprints 2020, 2020050363 (doi: 10.20944/preprints202005.0363.v1). Sebbag, L.; Mochel, J.P. An Eye on the Dog as the Scientist’s Best Friend for Translational Research in Ophthalmology: Focus on the Ocular Surface. Preprints 2020, 2020050363 (doi: 10.20944/preprints202005.0363.v1).

Abstract

Preclinical animal studies provide valuable opportunities to better understand human diseases and contribute to major advances in medicine. This review provides a comprehensive overview of ocular parameters in humans and selected animals, with a focus on the ocular surface, detailing species differences in ocular surface anatomy, physiology, tear film dynamics and tear film composition. We describe major pitfalls that tremendously limit the translational potential of traditional laboratory animals (ie., rabbits, mice and rats) in ophthalmic research, and highlight the benefits of integrating companion dogs with clinical analogues to human diseases into preclinical pharmacology studies. This One Health approach can help accelerate and improve the framework in which ophthalmic research is translated to the human clinic. Studies can be conducted in canine subjects with naturally occurring or non-invasively induced ocular surface disorders (eg., dry eye disease, conjunctivitis), reviewed herein, and tear fluid can be easily retrieved from canine eyes for various bioanalytical purposes. In this review, we discuss common tear collection methods, including capillary tubes and Schirmer tear strips, and provide guidelines for tear sampling and extraction to improve the reliability of analyte quantification (drugs, proteins, others).

Supplementary and Associated Material

https://smartpharmacology.com/: SMART Pharmacology

Subject Areas

Ocular Surface; Tear Film; Albumin; Pharmacology; Animal Models; Translational Research; One Health

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