Proteomics of the photoneuroendocrine circadian system of the brain
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Proteomics of the photoneuroendocrine circadian system of the brain. / Møller, Morten; Lund-Andersen, Casper; Rovsing, Louise; Sparre, Thomas; Bache, Nicolai; Roepstorff, Peter; Vorum, Henrik.
In: Mass Spectrometry Reviews, Vol. 29, No. 2, 2010, p. 313-25.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Proteomics of the photoneuroendocrine circadian system of the brain
AU - Møller, Morten
AU - Lund-Andersen, Casper
AU - Rovsing, Louise
AU - Sparre, Thomas
AU - Bache, Nicolai
AU - Roepstorff, Peter
AU - Vorum, Henrik
N1 - Copyright 2009 Wiley Periodicals, Inc.
PY - 2010
Y1 - 2010
N2 - The photoneuroendocrine circadian system of the brain consists of (a) specialized photoreceptors in the retina, (b) a circadian generator located in the forebrain that contains "clock genes," (c) specialized nuclei in the forebrain involved in neuroendocrine secretion, and (d) the pineal gland. The circadian generator is a nucleus, called the suprachiasmatic nucleus (SCN). The neurons of this nucleus contain "clock genes," the transcription of which exhibits a circadian rhythm. Most circadian rhythms are generated by the neurons of this nucleus and, via neuronal and humoral connections, the SCN controls circadian activity of the brain and peripheral tissues. The endogenous oscillator of the SCN is each day entrained to the length of the daily photoperiod by light that reach the retina, and specialized photoreceptors transmit impulses to the SCN via the optic nerves. Mass screening for day/night variations in gene expression in the circadian system as well as in the whole brain and peripheral tissues have, during the last decade, been performed. However, studies of circadian changes in the proteome have been less investigated. In this survey, the anatomy and function of the circadian-generating system in mammals is described, and recent proteomic studies that investigate day/night changes in the retina, SCN, and pineal gland are reviewed. Further circadian changes controlled by the SCN in gene and protein expression in the liver are discussed.
AB - The photoneuroendocrine circadian system of the brain consists of (a) specialized photoreceptors in the retina, (b) a circadian generator located in the forebrain that contains "clock genes," (c) specialized nuclei in the forebrain involved in neuroendocrine secretion, and (d) the pineal gland. The circadian generator is a nucleus, called the suprachiasmatic nucleus (SCN). The neurons of this nucleus contain "clock genes," the transcription of which exhibits a circadian rhythm. Most circadian rhythms are generated by the neurons of this nucleus and, via neuronal and humoral connections, the SCN controls circadian activity of the brain and peripheral tissues. The endogenous oscillator of the SCN is each day entrained to the length of the daily photoperiod by light that reach the retina, and specialized photoreceptors transmit impulses to the SCN via the optic nerves. Mass screening for day/night variations in gene expression in the circadian system as well as in the whole brain and peripheral tissues have, during the last decade, been performed. However, studies of circadian changes in the proteome have been less investigated. In this survey, the anatomy and function of the circadian-generating system in mammals is described, and recent proteomic studies that investigate day/night changes in the retina, SCN, and pineal gland are reviewed. Further circadian changes controlled by the SCN in gene and protein expression in the liver are discussed.
KW - Animals
KW - Brain
KW - Circadian Rhythm
KW - Humans
KW - Neurosecretory Systems
KW - Photoperiod
KW - Proteome
U2 - 10.1002/mas.20237
DO - 10.1002/mas.20237
M3 - Journal article
C2 - 19437489
VL - 29
SP - 313
EP - 325
JO - Mass Spectrometry Reviews
JF - Mass Spectrometry Reviews
SN - 0277-7037
IS - 2
ER -
ID: 33854995