Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Melatonin and its role the circadian function].

J Z Nowak1, J B Zawilska

  • 1Zakład Amin Biogennych Polskiej Akademii Nauk, Lodzi.

Postepy Higieny I Medycyny Doswiadczalnej
|July 29, 1999
PubMed
Summary

Melatonin, a pineal gland hormone, acts as a biochemical clock and calendar. Its production rhythmically signals the body about daily and seasonal changes.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

COVID-19: from the structure and replication cycle of SARS-CoV-2 to its disease symptoms and treatment.

Journal of physiology and pharmacology : an official journal of the Polish Physiological Society·2022
Same author

Melatonin and its generating system in vertebrate retina: circadian rhythm, effect of environmental lighting and interaction with dopamine.

Neurochemistry international·2010
Same author

Serotonin N-acetyltransferase (NAT) activity in hen retina and pineal gland: in vivo pharmacological induction at noon and antagonism of the light-evoked suppression at night.

Neurochemistry international·2010
Same author

Activation of D2 dopamine receptors in hen retina decreases forskolin-stimulated cyclic AMP accumulation and serotonin N-acetyltransferase (NAT) activity.

Neurochemistry international·2010
Same author

The origin and fate of histamine in the rabbit retina.

Neurochemistry international·2010
Same author

Photoperiod-dependent changes in melatonin synthesis in the turkey pineal gland and retina.

Poultry science·2007

Area of Science:

  • Endocrinology
  • Chronobiology
  • Neuroscience

Context:

  • Melatonin is a key hormone produced by the pineal gland in vertebrates.
  • Its synthesis is regulated by the circadian oscillator, exhibiting distinct diurnal patterns.
  • Melatonin levels fluctuate, being high during the night and low during the day.

Purpose:

  • To survey current knowledge on melatonin biosynthesis, receptors, and function.
  • To provide a comprehensive overview of melatonin's role in the vertebrate circadian system.

Summary:

  • Melatonin production follows circadian rhythmicity, influenced by light-dark cycles.
  • Nocturnal melatonin levels correlate with night duration, conveying chronobiological information.
  • The hormone functions as a biochemical clock and calendar for the organism.

Impact:

  • Enhances understanding of hormonal regulation in circadian systems.
  • Highlights melatonin's crucial role in signaling time-based information throughout the body.
  • Provides a foundational resource for research into circadian rhythms and related disorders.

Related Experiment Videos