Vanecek, Jiri. Cellular Mechanisms of Melatonin Action. Physiol. Rev. 78: 687–721, 1998.—
The pineal hormone melatonin is involved in photic regulations of various kinds, including …

Unlike most domestic livestock species, sheep are widely known as an animal with marked
seasonality of breeding activity. The annual cycle of daily photoperiod has been identified as …

The Fourth Edition of Knobil & Neill continues to serve as a reference aid for research, to
provide the historical context to current research, and most importantly as an aid for …

A worldwide increase in the incidence of obesity indicates the unsuccessful battle against
this disorder. Obesity and the associated health problems urgently require effective …

Melatonin, through its different receptors, has pleiotropic functions in mammalian brain.
Melatonin is secreted mainly by the pineal gland and exerts its effects via receptor-mediated …

The molecular components of mammalian circadian clocks are elusive. We have isolated a
human gene termed RIGUI that encodes a bHLH/PAS protein 44% homologous to …

The involvement of melatonin in mammalian brain pathophysiology has received growing
interest, but information about the anatomical distribution of its two G‐protein‐coupled …

OBJECTIVES Chronic migraine (CM), previously called transformed migraine, is a frequent
headache disorder that affects 2%-3% of the general population. Analgesic overuse …

Many mammalian species from temperate latitudes exhibit seasonal variations in breed-ing
activity which are controlled by the annual photoperiodic cycle. Photoperiodic information is …

Literature is reviewed indicating that aging is characterized by changes in circadian rhythms
and sleep quality. The most marked change is an attenuation of amplitude. An advance of …