Dietary supplementation with melatonin reduces levels of amyloid beta-peptides in the murine cerebral cortex

Debomoy Lahiri, Demao Chen, Yuan Wen Ge, Stephen C. Bondy, Edward H. Sharman

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

Melatonin levels decrease with aging in mice. Dietary supplementation with melatonin has recently been shown to result in a significant rise in levels of endogenous melatonin in the serum and all other tissue samples tested. Herein, the effects of dietary melatonin on brain levels of nitric oxide synthase, synaptic proteins and amyloid beta-peptides (Aβ) were determined in mice. Melatonin supplementation did not significantly change cerebral cortical levels of nitric oxide synthase or synaptic proteins such as synaptophysin and SNAP-25. Increased brain melatonin concentrations however, led to a significant reduction in levels of toxic cortical Aβ of both short and long forms which are involved in amyloid depositions and plaque formation in Alzheimer's diseases. Thus, melatonin supplementation may retard neurodegenerative changes associated with brain aging. Depletion of melatonin in the brain of aging mice may in part account for this adverse change.

Original languageEnglish
Pages (from-to)224-231
Number of pages8
JournalJournal of Pineal Research
Volume36
Issue number4
DOIs
StatePublished - May 2004

Fingerprint

Amyloid beta-Peptides
Melatonin
Dietary Supplements
Cerebral Cortex
Brain
Nitric Oxide Synthase
Synaptophysin
Poisons
Amyloid Plaques
Alzheimer Disease
Proteins
Serum

Keywords

  • Aging
  • Amyloid
  • Brain
  • Cognition diet
  • Melatonin
  • Mouse
  • mRNA
  • Synaptic protein
  • Youth

ASJC Scopus subject areas

  • Endocrinology

Cite this

Dietary supplementation with melatonin reduces levels of amyloid beta-peptides in the murine cerebral cortex. / Lahiri, Debomoy; Chen, Demao; Ge, Yuan Wen; Bondy, Stephen C.; Sharman, Edward H.

In: Journal of Pineal Research, Vol. 36, No. 4, 05.2004, p. 224-231.

Research output: Contribution to journalArticle

Lahiri, Debomoy ; Chen, Demao ; Ge, Yuan Wen ; Bondy, Stephen C. ; Sharman, Edward H. / Dietary supplementation with melatonin reduces levels of amyloid beta-peptides in the murine cerebral cortex. In: Journal of Pineal Research. 2004 ; Vol. 36, No. 4. pp. 224-231.
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