Suprachiasmatic nucleus
Changes in the suprachiasmatic nucleus during aging: implications for biological rhythms
... The suprachiasmatic nucleus of the hypothalamus (SCN) is the main circadian pacemaker in many mammalian ...Keywords: suprachiasmatic nucleus, aging, morphological and neurochemical changes, ...
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Reduced light response of neuronal firing activity in the suprachiasmatic nucleus and optic nerve of cryptochrome-deficient mice.
... the suprachiasmatic nucleus (SCN), a primary circadian oscillator, and optic nerve fibers in vivo after retinal illumination in anesthetized Cry1 and Cry2 double-knockout (Cry-deficient) ...
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Conserved expression of the glutamate NMDA receptor 1 subunit splice variants during the development of the Siberian hamster suprachiasmatic nucleus.
... Circadian rhythms are an integral component of physiology and behavior, and the master circadian oscillator in the mammal is located within the suprachiasmatic nucleus (SCN) of the hypo- thalamus. The SCN ...
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Light stimulates the mouse adrenal through a retinohypothalamic pathway independent of an effect on the clock in the suprachiasmatic nucleus.
... The suprachiasmatic nucleus (SCN) of the anterior hypothal- amus contains the primary circadian oscillator in the central nervous system. An interconnected network of autonomous clock cells within the SCN ...
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Photic desynchronization of two subgroups of circadian oscillators in a network model of the suprachiasmatic nucleus with dispersed coupling strengths.
... the suprachiasmatic nucleus (SCN) of the hypothalamus, composed of approximately 20,000 neuronal oscillators; SCN neurons are nonidentical, express different intrinsic periods, and are coupled together to ...
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Effect of Mefloquine, a Gap Junction Blocker, on Circadian Period2 Gene Oscillation in the Mouse Suprachiasmatic Nucleus
... PER2::LUC-expressing suprachiasmatic nucleus (SCN) taken with an intensified CCD camera in the pres- ence of perfused recording medium containing ...
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Efferent projections of prokineticin 2 expressing neurons in the mouse suprachiasmatic nucleus.
... bed nucleus of the stria terminalis (BSTM) and the ventral lateral septum (LSV) (Figure 2E and ...the nucleus, then vertically projected into the ipsilateral subparaventricular zone (SPa) and continued ...
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BK channels regulate spontaneous action potential rhythmicity in the suprachiasmatic nucleus.
... Background: Circadian (,24 hr) rhythms are generated by the central pacemaker localized to the suprachiasmatic nucleus (SCN) of the hypothalamus. Although the basis for intrinsic rhythmicity is generally ...
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Direct and specific effect of sevoflurane anesthesia on rat Per2 expression in the suprachiasmatic nucleus.
... Using the SCN slice culture system, we proved that sevoflurane had the suppressive effect on the expression of Per2 in the rat SCN isolated from afferent inputs. This result indicates the direct action of sevoflurane on ...
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Morphological changes in the suprachiasmatic nucleus of aging female marmosets (callithrix jacchus)
... The suprachiasmatic nuclei (SCN) are pointed to as the mammals central circadian pacemaker. Aged animals show internal time disruption possibly caused by morphological and neurochemical changes in SCN components. ...
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The neuronal transition probability (NTP) model for the dynamic progression of non-REM sleep EEG: the role of the suprachiasmatic nucleus.
... several sleep-related sources integrated via the dorsomedial nucleus of the hypothalamus [33]. These sources include homeo- static drives (sleep pressures, hunger etc.) and environmental conditions (light, sound, ...
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Prokineticin 2 regulates the electrical activity of rat suprachiasmatic nuclei neurons.
... The mammalian suprachiasmatic nucleus (SCN) is the master pacemaker controlling daily rhythms in physiology and behavior [1]. Circadian rhythms are generated in individual SCN neurons via positive and ...
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EGR1 controls divergent cellular responses of distinctive nucleus pulposus cell types
... Understanding the specific immediate early responses of distinct cell types provides insight into genetic and epi- genetic wiring of a given cell system. Immediate early re- sponse genes (IEG) mediate signaling between ...
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Cerebrospinal fluid-contacting nucleus mediates nociception via release of fractalkine
... CSF-contacting nucleus (1) plays a critical role in the transmission and regula- tion of ...CSF-contacting nucleus is present in the ventral PAG of the brainstem ...CSF-contacting nucleus, our group ...
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Quality control of gene expression in the mammalian cell nucleus
... the transcription site in a Rrp6p-dependent manner (Libri et al., 2002). The localisation of the 3’ end truncated transcripts is unclear and this phenotype can be reverted by deletion of RRP6 which indicates that the 3’ ...
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Is the Cell Nucleus a Necessary Component in Precise Temporal Patterning?
... cell nucleus is to help regulate gene expression by controlling molecular traffic across the nuclear ...to nucleus (simple model); and in the second one, the proteins required assistance from a special ...
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Cardiovascular responses to hydrogen peroxide into the nucleus tractus solitarius
... medial medulla oblongata (11), is the site at which primary cardiovascular sensory afferents, such as those arising from arterial baroreceptors, peripheral chemoreceptors, and cardiopul- monary receptors terminate. ...
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Chemosensory control by commissural nucleus of the solitary tract in rats
... commissural nucleus of the solitary tract (commNTS) is a main area that receives afferent signals involved in the cardiovascular and respiratory control like those related to chemoreceptor activation, however, the ...
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GABA in Paraventricular Nucleus Regulates Adipose Afferent Reflex in Rats.
... White adipose tissues (WAT) are innervated by both sensory fibers and efferent sympathetic fibers [1,2]. The efferent and afferent neural innervation of WAT are involved in body fat regu- lation [3,4]. Chemical ...
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GABAergic mechanisms of the lateral parabrachial nucleus on sodium appetite
... central nucleus of amygdala, muscimol reduced food intake in rats [32] and injected into the median and dorsal raphe nucleus or into the ventral tegmental area induced water intake in satiated rats ...
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