Melatonin is the main hormone that regulates the sleep cycle, and it is mostly produced by
the pineal gland from the amino acid tryptophan. It has cytoprotective, immunomodulatory …

Melatonin is the main neuroendocrine product in the pineal gland. Melatonin can regulate
circadian rhythm-related physiological processes. Evidence indicates an important role of …

Melatonin may have important immunostimulatory actions in allergic diseases, in addition to
its well-known antioxidant and cytoprotective effects in several inflammatory conditions. The …

The skin, being the largest organ in the human body, is exposed to the environment and
suffers from both intrinsic and extrinsic aging factors. The skin aging process is …

When exposed to hostile environments such as radiation, physical injuries, chemicals,
pollution, and microorganisms, the skin requires protective chemical molecules and …

Melatonin, or N-acetyl-5-methoxytryptamine, is a compound derived from tryptophan that is
found in all organisms from single cells to vertebrates and the human. It is one of the most …

Like the whole organism, skin follows the process of aging during life-time. Additional to
internal factors, several environmental factors, such as solar radiation, considerably …

Melatonin, an evolutionarily ancient derivative of serotonin with hormonal properties, is the
main neuroendocrine secretory product of the pineal gland. Although melatonin is best …

Melatonin has been experimentally implicated in skin functions such as hair growth cycling,
fur pigmentation, and melanoma control, and melatonin receptors are expressed in several …

Melatonin is ubiquitous molecule with wide distribution in nature and is produced by many
living organisms. In human beings, pineal gland is the major site for melatonin production …