The Effects of Pinealectomy and Melatonin Implants on Circadian Locomotor Activity Responses of the Mongolian Gerbils Exposed to Rapid Photoperiodic Transitions

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dc.authoridGunduz, Bulent/0000-0003-0497-8287
dc.contributor.authorGunduz, Bulent
dc.contributor.authorKarakas, Alper
dc.date.accessioned2025-01-27T20:11:52Z
dc.date.available2025-01-27T20:11:52Z
dc.date.issued2010
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe jet-lag syndrome and the shift-work malaise take place by rapid changes in photoperiod and disturb people's life frequently. In the present study; we wanted to simulate these conditions. Control, pinealectomized and melatonin including silastic tube implanted Mongolian gerbils were respectively exposed into long (14L:10D), short (8L:16D), constant darkness (0L:24D) and constant light (24L:0D) photoperiods in order to investigate the effects of photoperiod, pineal gland and melatonin hormone in the photoperiodic reentrainment of this species. Gerbils showed an light/dark cycle entrained locomotor activity rhythm in long and short photoperiods, free-running in constant darkness and arrhythmic locomotor activity in constant light. The period lengths were similar to each other in the groups (p>0,05). Gerbils were reentrained by the changes in photoperiod nevertheless pinealectomy and melatonin implants did not make any significant influence on this reentrainment (p>0,05). Locomotor activity amounts varied in a group-photoperiod-dependent manner. These data suggest that photoperiod but not the pineal gland and constant release melatonin hormone is effective on the activity rhythm of the Mongolian gerbil.
dc.identifier.endpage437
dc.identifier.issn1302-1664
dc.identifier.issue4
dc.identifier.startpage429
dc.identifier.urihttps://hdl.handle.net/20.500.12428/20759
dc.identifier.volume27
dc.identifier.wosWOS:000285640800008
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherJournal Neurological Sciences
dc.relation.ispartofJournal of Neurological Sciences-Turkish
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectJet-lag
dc.subjectShift-work malaise
dc.subjectPhotoperiod
dc.subjectPineal gland
dc.subjectMelatonin
dc.subjectMongolian gerbil
dc.titleThe Effects of Pinealectomy and Melatonin Implants on Circadian Locomotor Activity Responses of the Mongolian Gerbils Exposed to Rapid Photoperiodic Transitions
dc.typeArticle

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