Journal
JOURNAL OF NEUROSCIENCE METHODS
Volume 300, Issue -, Pages 26-36Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneumeth.2017.04.007
Keywords
Circadian; Retina; Wavelength; Welfare
Categories
Funding
- BBSRC [BB/I021086/1]
- Wellcome Trust [098461/Z/12/Z]
- BBSRC [BB/I021086/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/I021086/1] Funding Source: researchfish
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Light exerts widespread effects on physiology and behaviour. As well as the widely-appreciated role of light in vision, light also plays a critical role in many non-visual responses, including regulating circadian rhythms, sleep, pupil constriction, heart rate, hormone release and learning and memory. In mammals, responses to light are all mediated via retinal photoreceptors, including the classical rods and cones involved in vision as well as the recently identified melanopsin-expressing photoreceptive retinal ganglion cells (pRGCs). Understanding the effects of light on the laboratory mouse therefore depends upon an appreciation of the physiology of these retinal photoreceptors, including their differing sensitivities to absolute light levels and wavelengths. The signals from these photoreceptors are often integrated, with different responses involving distinct retinal projections, making generalisations challenging. Furthermore, many commonly used laboratory mouse strains carry mutations that affect visual or non-visual physiology, ranging from inherited retinal degeneration to genetic differences in sleep and circadian rhythms. Here we provide an overview of the visual and non-visual systems before discussing practical considerations for the use of light for researchers and animal facility staff working with laboratory mice. (C) 2017 The Author(s). Published by Elsevier B.V.
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