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- Title
Regulation of the mammalian pineal by non-rod, non-cone, ocular photoreceptors.
- Authors
Lucas, R J; Freedman, M S; Muñoz, M; Garcia-Fernández, J M; Foster, R G
- Abstract
In mammals, ocular photoreceptors mediate an acute inhibition of pineal melatonin by light. The effect of rod and cone loss on this response was assessed by combining the rd mutation with a transgenic ablation of cones (cl) to produce mice lacking both photoreceptor classes. Despite the loss of all known retinal photoreceptors, rd/rd cl mice showed normal suppression of pineal melatonin in response to monochromatic light of wavelength 509 nanometers. These data indicate that mammals have additional ocular photoreceptors that they use in the regulation of temporal physiology.
- Publication
Science (New York, N.Y.), 1999, Vol 284, Issue 5413, p505
- ISSN
0036-8075
- Publication type
Journal Article
- DOI
10.1126/science.284.5413.505