Results 281 to 290 of about 92,984 (317)
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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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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
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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
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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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Sleep Medicine Reviews, 2005
Melatonin, hormone of the pineal gland, is concerned with biological timing. It is secreted at night in all species and in ourselves is thereby associated with sleep, lowered core body temperature, and other night time events. The period of melatonin secretion has been described as 'biological night'.
Arendt, J, Skene, DJ
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Melatonin, hormone of the pineal gland, is concerned with biological timing. It is secreted at night in all species and in ourselves is thereby associated with sleep, lowered core body temperature, and other night time events. The period of melatonin secretion has been described as 'biological night'.
Arendt, J, Skene, DJ
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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
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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
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Melatonin as an Apoptosis Antagonist
Annals of the New York Academy of Sciences, 2006Abstract: The pineal hormone melatonin (Mel), in addition to having a well‐established role as a regulator of circadian rhythms, modulates nonneural compartments by acting on specific plasma membrane receptors (MT1/MT2) present in many different cell types. Mel plays immunomodulatory roles and is an oncostatic and antiproliferative agent; this led to
RADOGNA, FLAVIA +10 more
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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
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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
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Melatonin and Melatonin Receptors in Neuroprotection
2016Melatonin (Mel) is a neurohormone which is synthesized from tryptophan with the activation of beta-adrenergic receptors of the pineal gland [2, 11, 36]. It is chemically known as N-acetyl-5-methoxytryptamine [1]. The main task of this hormone is adjusting the rhythm of the body and protecting the biological clock of the body.
Omur Gulsum Deniz +4 more
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Journal of Biological Rhythms, 1997
Despite the fact that melatonin has been released for public use in the United States by the Food and Drug Administration and is available over the counter nationwide, there currently is a total lack of information on the toxicology of melatonin. In Europe, melatonin has a completely different status in that it is considered a "neurohormone" and cannot
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Despite the fact that melatonin has been released for public use in the United States by the Food and Drug Administration and is available over the counter nationwide, there currently is a total lack of information on the toxicology of melatonin. In Europe, melatonin has a completely different status in that it is considered a "neurohormone" and cannot
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Melatonin: A master regulator of plant development and stress responses
Journal of Integrative Plant Biology, 2021Chengliang Sun +2 more
exaly