Literature DB >> 1896511

Lesions of the suprachiasmatic nucleus disrupt circadian locomotor rhythms in the mouse.

W J Schwartz1, P Zimmerman.   

Abstract

Entrained and free-running rhythms of wheel-running activity were recorded in male BALB/cByJ mice with electrolytic lesions of the suprachiasmatic nucleus (SCN), site of a circadian pacemaker in mammals. Complete ablation of the nucleus abolished the circadian locomotor rhythm; in some cases, wheel-running was synchronized by a light-dark cycle, but the phase relationship of this activity to the cycle was often aberrant. Unilateral lesions or those missing the SCN did not eliminate rhythmicity.

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Year:  1991        PMID： 1896511     DOI： 10.1016/0031-9384(91)90364-t

Source DB:  PubMed          Journal:  Physiol Behav        ISSN： 0031-9384


  20 in total

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Authors:  Karen J Tonsfeldt; Patrick E Chappell
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9.  Disruption of masking by hypothalamic lesions in Syrian hamsters.

Authors:  Xiaodong Li; Jenifer Gilbert; Fred C Davis
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10.  Mop3 is an essential component of the master circadian pacemaker in mammals.

Authors:  M K Bunger; L D Wilsbacher; S M Moran; C Clendenin; L A Radcliffe; J B Hogenesch; M C Simon; J S Takahashi; C A Bradfield
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