Results 261 to 270 of about 103,843 (303)
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2003
A widespread occurrence of melatonin in plant kingdom has been reported. The circadian rhythm in the level of melatonin observed in both unicellular algae and higher plants, suggests a role in regulation of photoperiodic and rhythmic phenomena, i.e. a similar function for melatonin in both plants and animals.
CANIATO, ROSAMARIA +5 more
openaire +4 more sources
A widespread occurrence of melatonin in plant kingdom has been reported. The circadian rhythm in the level of melatonin observed in both unicellular algae and higher plants, suggests a role in regulation of photoperiodic and rhythmic phenomena, i.e. a similar function for melatonin in both plants and animals.
CANIATO, ROSAMARIA +5 more
openaire +4 more sources
Osteoporosis International, 2013
Melatonin may affect bone metabolism through bone anabolic as well as antiresorptive effects. An age-related decrease in peak melatonin levels at nighttime is well documented, which may increase bone resorption and bone loss in the elderly. In vitro, melatonin reduces oxidative stress on bone cells by acting as an antioxidant.
Amstrup, A K +4 more
openaire +3 more sources
Melatonin may affect bone metabolism through bone anabolic as well as antiresorptive effects. An age-related decrease in peak melatonin levels at nighttime is well documented, which may increase bone resorption and bone loss in the elderly. In vitro, melatonin reduces oxidative stress on bone cells by acting as an antioxidant.
Amstrup, A K +4 more
openaire +3 more sources
Melatonin in Chinese medicinal herbs
Life Sciences, 2003 Melatonin is a highly conserved molecule that not only exists in animals, but also is present in bacteria, unicellular organisms and in plants. Since melatonin is an antioxidant, in plants melatonin was speculated to protect them from intrinsic and ...
Dun-Xian Tan +2 more
exaly +2 more sources
2022
Cutting-edge and thorough, Melatonin: Methods and Protocols is a valuable resource for any researcher interested in investigating melatonin, from its production to its mechanisms of action and systemic effects.
Afeche, Solange Castro +77 more
openaire +2 more sources
Cutting-edge and thorough, Melatonin: Methods and Protocols is a valuable resource for any researcher interested in investigating melatonin, from its production to its mechanisms of action and systemic effects.
Afeche, Solange Castro +77 more
openaire +2 more sources
Biological Psychiatry, 1988
The pineal methoxyindole melatonin remains the most widely studied of the "pineal principles," and in subhuman species, the neuroendocrine status of this hormone is now generally acknowledged. In humans, however, no definitive functional activity for melatonin has yet been convincingly demonstrated, despite the description in recent years of marked ...
A, Miles, D R, Philbrick
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The pineal methoxyindole melatonin remains the most widely studied of the "pineal principles," and in subhuman species, the neuroendocrine status of this hormone is now generally acknowledged. In humans, however, no definitive functional activity for melatonin has yet been convincingly demonstrated, despite the description in recent years of marked ...
A, Miles, D R, Philbrick
openaire +2 more sources
2007
Melatonin is a neurohormone that is secreted by the pineal gland and known to impact the sleep-wake cycle. Melatonin is regarded to be a safe and natural sleep aid. Since many people with tinnitus suffer sleep disturbance, melatonin has been studied as a therapeutic agent for tinnitus. A review of the literature suggests that melatonin has a beneficial
openaire +2 more sources
Melatonin is a neurohormone that is secreted by the pineal gland and known to impact the sleep-wake cycle. Melatonin is regarded to be a safe and natural sleep aid. Since many people with tinnitus suffer sleep disturbance, melatonin has been studied as a therapeutic agent for tinnitus. A review of the literature suggests that melatonin has a beneficial
openaire +2 more sources
Hormone and Metabolic Research, 1980
Chronic melatonin administration (100 microgram daily for 21 days) to male weanling rats increased basal TSH without altering peripheral hormone levels. There was an increase in radioactive thyroidal iodine uptake in the melatonin treated animals. Melatonin increased the thyroid gland size relative to body weight and increased the total T4 content and ...
J, Gordon, J E, Morley, J M, Hershman
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Chronic melatonin administration (100 microgram daily for 21 days) to male weanling rats increased basal TSH without altering peripheral hormone levels. There was an increase in radioactive thyroidal iodine uptake in the melatonin treated animals. Melatonin increased the thyroid gland size relative to body weight and increased the total T4 content and ...
J, Gordon, J E, Morley, J M, Hershman
openaire +2 more sources
Radioimmunoassay for melatonin
Journal of Neural Transmission, 1980A radioimmunoassay for melatonin has been developed and used to measure the level of melatonin of male and post-menopausal female patinets coming to operation for benign and malignant conditions. The amount of melatonin in the serum of the females was considerably lower than that in males.
E, Tapp, R G, Skinner, V, Phillips
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Photoimmunomodulation and melatonin
Journal of Photochemistry and Photobiology B: Biology, 2010The seasons, and daily physical rhythms can have a profound effect on the physiology of the living organism, which includes immune status. The immune system can be influenced by a variety of signals and one of them is photic stimulus. Light may regulate the immunity through the neuroendocrine system leading to the most recent branch of research the ...
C, Haldar, R, Ahmad
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New England Journal of Medicine, 1997
Three centuries ago, the French philosopher Rene Descartes described the pineal gland as “the seat of the soul,” but it was not until the late 1950s that melatonin, the principal substance secreted by the pineal gland, was identified.1 There is now evidence that melatonin may have a role in the biologic regulation of circadian rhythms, sleep, mood, and
openaire +2 more sources
Three centuries ago, the French philosopher Rene Descartes described the pineal gland as “the seat of the soul,” but it was not until the late 1950s that melatonin, the principal substance secreted by the pineal gland, was identified.1 There is now evidence that melatonin may have a role in the biologic regulation of circadian rhythms, sleep, mood, and
openaire +2 more sources