M
Michael Menaker
Researcher at University of Virginia
Publications - 206
Citations - 26979
Michael Menaker is an academic researcher from University of Virginia. The author has contributed to research in topics: Circadian rhythm & Light effects on circadian rhythm. The author has an hindex of 77, co-authored 206 publications receiving 25480 citations. Previous affiliations of Michael Menaker include University of Oregon & Mitsubishi Tanabe Pharma.
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NMDA as well as non-NMDA receptor antagonists can prevent the phase-shifting effects of light on the circadian system of the golden hamster.
TL;DR: The present experiments provide further evidence that EAA receptors mediate the effects of light on the circadian system, and suggest that both NMDA and non-NMDA receptor types may be involved.
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Extraretinal light perception in the sparrow. I. Entrainment of the biological clock.
TL;DR: The house sparrow (Passer domesticus) possesses an extraretinal photoreceptor(s) which is coupled to the "clock" system controlling the overt circadian rhythm of locomotor activity, and the sensitivity of this receptor and the response of the free-running period of the rhythm of blinded birds to constant light of various intensities are discussed.
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Is the food-entrainable circadian oscillator in the digestive system?
TL;DR: Comparison of FAA and Per1 rhythmicity in the digestive system of the Per 1‐luciferase transgenic rat shows results inconsistent with the hypothesis that FAA arises as an output of rhythms in the gastrointestinal (GI) system, and highlights an interesting diversity among peripheral oscillators in their ability to entrain to meals.
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Melatonin: Effects on the circadian locomotor rhythm of sparrows
TL;DR: After the melatonin-filled capsules were removed, the period of the circadian rhythm of activity lengthened in rhythmic birds and normal rhythmicity was restored in continuously active birds.
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Circadian rhythms of dopamine in mouse retina: the role of melatonin.
TL;DR: It is demonstrated that a circadian clock generates rhythms of dopamine content in the C3H mouse retina, mice lacking melatonin also lack circadian rhythms of Parkinson's disease content, and dopamine rhythms can be generated in these mice by cyclic administration of exogenous melatonin.