Inhibitory Action of 5-HT1A Agonist MKC-242 on Triazolam-Induced Phase Advances in Hamster Circadian Activity Rhythms

Mammalian circadian rhythms can be entrained by photic and non-photic stimuli. Although we know that non-photic entrainment interferes with photic entrainment signals, there is no information about whether photic entrainment interferes with non-photic entraining signals. We examined whether triazola...

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Main Authors: Shin-ichi Yokota (Author), Takahiro Moriya (Author), Shigenobu Shibata (Author)
Format: Book
Published: Elsevier, 2005-01-01T00:00:00Z.
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100 1 0 |a Shin-ichi Yokota  |e author 
700 1 0 |a Takahiro Moriya  |e author 
700 1 0 |a Shigenobu Shibata  |e author 
245 0 0 |a Inhibitory Action of 5-HT1A Agonist MKC-242 on Triazolam-Induced Phase Advances in Hamster Circadian Activity Rhythms 
260 |b Elsevier,   |c 2005-01-01T00:00:00Z. 
500 |a 1347-8613 
500 |a 10.1254/jphs.sc0050058 
520 |a Mammalian circadian rhythms can be entrained by photic and non-photic stimuli. Although we know that non-photic entrainment interferes with photic entrainment signals, there is no information about whether photic entrainment interferes with non-photic entraining signals. We examined whether triazolam (TRZ), a non-photic form of entrainment, could be attenuated by pre-treatment with (S)-5-[3-[(1,4-benzodioxan-2-ylmethyl)amino]propoxy]-1,3-benzodioxole hydrochloride (MKC-242), a photic enhancing drug. We found that TRZ-induced phase advances in hamster behavioral circadian rhythms and the increase of locomotor activity were both significantly attenuated by MKC-242. Thus, in hamsters, the photic enhancing drug MKC-242 seemed to hinder benzodiazepine-induced non-photic entrainment. Keywords:: circadian rhythm, non-photic, benzodiazepine 
546 |a EN 
690 |a Therapeutics. Pharmacology 
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786 0 |n Journal of Pharmacological Sciences, Vol 98, Iss 1, Pp 103-106 (2005) 
787 0 |n http://www.sciencedirect.com/science/article/pii/S1347861319322224 
787 0 |n https://doaj.org/toc/1347-8613 
856 4 1 |u https://doaj.org/article/f0102fb7f49f44bb9bfb0d397e67a676  |z Connect to this object online.