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Author Fonken, L.K.; Nelson, R.J.
Title The effects of light at night on circadian clocks and metabolism Type Journal Article
Year 2014 Publication Endocrine Reviews Abbreviated Journal Endocr Rev
Volume 35 Issue 4 Pages 648-670
Keywords (up) Animals
Abstract Most organisms display endogenously produced approximately 24-hour fluctuations in physiology and behavior, termed circadian rhythms. Circadian rhythms are driven by a transcriptional-translational feedback loop that is hierarchically expressed throughout the brain and body, with the suprachiasmatic nucleus of the hypothalamus serving as the master circadian oscillator at the top of the hierarchy. Appropriate circadian regulation is important for many homeostatic functions including energy regulation. Multiple genes involved in nutrient metabolism display rhythmic oscillations, and metabolically related hormones such as glucagon, insulin, ghrelin, leptin, and corticosterone are released in a circadian fashion. Mice harboring mutations in circadian clock genes alter feeding behavior, endocrine signaling, and dietary fat absorption. Moreover, misalignment between behavioral and molecular circadian clocks can result in obesity in both rodents and humans. Importantly, circadian rhythms are most potently synchronized to the external environment by light information and exposure to light at night potentially disrupts circadian system function. Since the advent of electric lights around the turn of the 20th century, exposure to artificial and irregular light schedules has become commonplace. The increase in exposure to light at night parallels the global increase in the prevalence of obesity and metabolic disorders. In this review, we propose that exposure to light at night alters metabolic function through disruption of the circadian system. We first provide an introduction to the circadian system, with a specific emphasis on the effects of light on circadian rhythms. Next we address interactions between the circadian system and metabolism. Finally, we review current experimental and epidemiological work directly associating exposure to light at night and metabolism.
Address Department of Neuroscience, Wexner Medical Center, The Ohio State University, Columbus, Ohio 43210
Corporate Author Thesis
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0163-769X ISBN Medium
Area Expedition Conference
Notes PMID:24673196 Approved no
Call Number LoNNe @ kagoburian @ Serial 848
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Author Vinogradova, I.A.; Ilyukha, V.A.; Khizhkin, E.A.; Uzenbaeva, L.B.; Ilyina, T.N.; Bukalev, A.V.; Goranskii, A.I.; Matveeva, Y.P.; Yunash, V.D.; Lotosh, T.A.
Title Light pollution, desynchronosis, and aging: State of the problem and solutions Type Journal Article
Year 2014 Publication Advances in Gerontology Abbreviated Journal Adv Gerontol
Volume 4 Issue 4 Pages 260-263
Keywords (up) animals
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2079-0570 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 1067
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Author Brown, J., Frank A.
Title Light and Molt in Weaver Finches Type Journal Article
Year 1940 Publication The Auk Abbreviated Journal The Auk
Volume 57 Issue 4 Pages 485-498
Keywords (up) Animals
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0004-8038 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 2366
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Author Boldogh, S.; Dobrosi, D.; Samu, P.
Title The effects of the illumination of buildings on house-dwelling bats and its conservation consequences Type Journal Article
Year 2007 Publication Acta Chiropterologica Abbreviated Journal Acta Chiropterologica
Volume 9 Issue 2 Pages 527-534
Keywords (up) Animals
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1508-1109 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 1003
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Author Hori, M.; Shibuya, K.; Sato, M.; Saito, Y.
Title Lethal effects of short-wavelength visible light on insects Type Journal Article
Year 2014 Publication Scientific Reports Abbreviated Journal Sci Rep
Volume 4 Issue Pages 7383
Keywords (up) Animals
Abstract We investigated the lethal effects of visible light on insects by using light-emitting diodes (LEDs). The toxic effects of ultraviolet (UV) light, particularly shortwave (i.e., UVB and UVC) light, on organisms are well known. However, the effects of irradiation with visible light remain unclear, although shorter wavelengths are known to be more lethal. Irradiation with visible light is not thought to cause mortality in complex animals including insects. Here, however, we found that irradiation with short-wavelength visible (blue) light killed eggs, larvae, pupae, and adults of Drosophila melanogaster. Blue light was also lethal to mosquitoes and flour beetles, but the effective wavelength at which mortality occurred differed among the insect species. Our findings suggest that highly toxic wavelengths of visible light are species-specific in insects, and that shorter wavelengths are not always more toxic. For some animals, such as insects, blue light is more harmful than UV light.
Address Graduate School of Agricultural Science, Tohoku University, Sendai 981-8555, Japan
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2045-2322 ISBN Medium
Area Expedition Conference
Notes PMID:25488603; PMCID:PMC4260232 Approved no
Call Number LoNNe @ christopher.kyba @ Serial 1090
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