Endogenous melatonin is synthesized from tryptophan via 5-hydroxytryptamine. It is
considered an indoleamine from a biochemical point of view because the melatonin …

In humans, an adaptable internal biological system generates circadian rhythms that
maintain synchronicity of behavior and physiology with the changing demands of the 24-h …

The origin of sleep and circadian rhythms development is found during the fetal period. Both
quiet (NREM) and active (REM) sleep are distinguishable during the last 10 weeks of …

Serum melatonin concentrations were studied in normal pregnant women and in women
with several types of pathologic pregnancies, eg, twins, preeclampsia or intrauterine growth …

Routine exposure to artificial light at night (ALAN) in work, home, and community settings is
linked with increased risk of breast and prostate cancer (BC, PC) in normally sighted women …

Our objective was to evaluate the maternal‐fetal transfer of melatonin in pregnant women.
Serum melatonin concentration was measured by high‐performance liquid chromatography …

Publisher Summary Molecular biology has dispersed some of the myths surrounding
melatonin. Melatonin production sites can be clearly identified by detecting message and …

The emergence of sleep states is one of the most significant aspects of development.
Descriptions of both neonatal and late fetal behavior and studies on the organization of …

Melatonin is a powerful scavenger of oxygen free radicals. In humans, melatonin is rapidly
transferred from the maternal to the fetal circulation. To investigate whether or not maternal …

Molina‐Carballo A, Muñoz‐Hoyos A, Reiter RJ, Sánchez‐Forte M, Moreno‐Madrid F, Rufo‐
Campos M, Molina‐Font JA, Acuña‐Castroviejo D. Utility of high doses of melatonin as …