cAMP-dependent signaling as a core component of the mammalian circadian pacemaker.
cAMP-dependent signaling as a core component of the mammalian circadian pacemaker.
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DOI:
10.1126/science.1152506
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发表时间:
2008-05-16
期刊:
影响因子:
--
通讯作者:
Hastings MH
中科院分区:
文献类型:
--
作者:
O'Neill JS;Maywood ES;Chesham JE;Takahashi JS;Hastings MH
The mammalian circadian clockwork is modelled as transcriptional and post-translational feedback loops, whereby circadian genes are periodically suppressed by their protein products. We show that adenosine 3′5′ monophosphate (cAMP) signalling constitutes an additional, bona fide component of the oscillatory network. cAMP signalling is rhythmic and sustains the transcriptional loop of the suprachiasmatic nucleus, determining canonical pacemaker properties of amplitude, phase and period. This role is general, being evident in peripheral mammalian tissues and cell lines, thus revealing an unanticipated point of circadian regulation in mammals qualitatively different from the existing transcriptional feedback model. We propose that daily activation of cAMP signalling, driven by the transcriptional oscillator, in turn sustains progression of transcriptional rhythms. In this way, clock output constitutes an input to subsequent cycles.
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影响因子:
64.5
作者:
Nitabach, MN;Blau, J;Holmes, TC
通讯作者:
Holmes, TC
影响因子:
5.3
作者:
Harrisingh, Marie C.;Wu, Ying;Nitabach, Michael N.
通讯作者:
Nitabach, Michael N.
影响因子:
56.9
作者:
Hirata, H;Yoshiura, S;Kageyama, R
通讯作者:
Kageyama, R
DOI:
10.1016/0742-8413(91)90101-x
发表时间:
1991-01-01
期刊:
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-PHARMACOLOGY TOXICOLOGY & ENDOCRINOLOGY
影响因子:
--
作者:
LIPPE, C;ARDIZZONE, C
通讯作者:
ARDIZZONE, C
影响因子:
64.8
作者:
Xu, Y;Padiath, QS;Fu, YH
通讯作者:
Fu, YH