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Effects of chronodisruption and alcohol consumption on gene expression in reward-related brain areas in female rats

Author(s): Meyer C; Schoettner K; Amir S;

Circadian dysfunction caused by exposure to aberrant light-dark conditions is associated with abnormal alcohol consumption in humans and animal models. Changes in drinking behavior have been linked to alterations in clock gene expression in reward-related brain areas, which could be attributed to either the effect of chronodisruption or alcohol. To date, ...

Article GUID: 39624490


The effects of circadian desynchronization on alcohol consumption and affective behavior during alcohol abstinence in female rats

Author(s): Meyer C; Schoettner K; Amir S;

Disruption of circadian rhythmicity distorts physiological and psychological processes and has major consequences on health and well-being. A chronic misalignment within the internal time-keeping system modulates alcohol consumption and contributes to stress-related psychiatric disorders which are known to trigger alcohol misuse and relapse. While there i ...

Article GUID: 36620855


Characterization of Affective Behaviors and Motor Functions in Mice With a Striatal-Specific Deletion of Bmal1 and Per2

Author(s): Schoettner K; Alonso M; Button M; Goldfarb C; Herrera J; Quteishat N; Meyer C; Bergdahl A; Amir S;

The expression of circadian clock genes, either centrally or in the periphery, has been shown to play an integral role in the control of behavior. Brain region-specific downregulation of clock genes revealed behavioral phenotypes associated with neuropsychiatric disorders and neurodegenerative di ...

Article GUID: 35755440


Thermoregulatory significance of immobility in the forced swim test

Author(s): Nadeau BG; Marchant EG; Amir S; Mistlberger RE;

The forced swim test (FST) is a widely used animal model of depression and antidepressant drug screen. Rats are forced to swim on two test days in a restricted space from which there is no escape. On the first test day the rats attempt to escape and then become largely immobile; on the second test day the onset of immobility is more rapid. Immobility is s ...

Article GUID: 35065081


Bmal1 in the striatum influences alcohol intake in a sexually dimorphic manner

Author(s): de Zavalia N; Schoettner K; Goldsmith JA; Solis P; Ferraro S; Parent G; Amir S;

Alcohol consumption has been strongly associated with circadian clock gene expression in mammals. Analysis of clock genes revealed a potential role of Bmal1 in the control of alcohol drinking behavior. However, a causal role of Bmal1 and neural pathways through which it may influence alcohol intake have not yet been established. Here we show that selectiv ...

Article GUID: 34702951


In utero Exposure to Valproic-Acid Alters Circadian Organisation and Clock-Gene Expression: Implications for Autism Spectrum Disorders

Author(s): Ferraro S; de Zavalia N; Belforte N; Amir S;

Autism Spectrum Disorder (ASD) is a pervasive neurodevelopmental disorder characterised by restrictive patterns of behaviour and alterations in social interaction and communication. Up to 80% of children with ASD exhibit sleep-wake cycle disturbances, emphasising the pressing need for novel approaches in the treatment of ASD-associated comorbidities. Whil ...

Article GUID: 34650409


The eIF2α Kinase GCN2 Modulates Period and Rhythmicity of the Circadian Clock by Translational Control of Atf4.

Author(s): Pathak SS, Liu D, Li T, de Zavalia N, Zhu L, Li J, Karthikeyan R, Alain T, Liu AC, Storch KF, Kaufman RJ, Jin VX, Amir S, Sonenberg N, Cao R

Neuron. 2019 Aug 26;: Authors: Pathak SS, Liu D, Li T, de Zavalia N, Zhu L, Li J, Karthikeyan R, Alain T, Liu AC, Storch KF, Kaufman RJ, Jin VX, Amir S, Sonenberg N, Cao R

Article GUID: 31522764


Effects of bilateral anterior agranular insula lesions on food anticipatory activity in rats.

Author(s): Gavrila AM, Hood S, Robinson B, Amir S

PLoS One. 2017;12(6):e0179370 Authors: Gavrila AM, Hood S, Robinson B, Amir S

Article GUID: 28594962


Circadian Rhythms in Regulation of Brain Processes and Role in Psychiatric Disorders.

Author(s): Pantazopoulos H, Gamble K, Stork O, Amir S

Neural Plast. 2018;2018:5892657 Authors: Pantazopoulos H, Gamble K, Stork O, Amir S PMID: 29887881 [PubMed - indexed for MEDLINE]

Article GUID: 29887881


Mapping the co-localization of the circadian proteins PER2 and BMAL1 with enkephalin and substance P throughout the rodent forebrain.

Author(s): Frederick A, Goldsmith J, de Zavalia N, Amir S

PLoS One. 2017;12(4):e0176279 Authors: Frederick A, Goldsmith J, de Zavalia N, Amir S

Article GUID: 28423013


Comprehensive mapping of regional expression of the clock protein PERIOD2 in rat forebrain across the 24-h day.

Author(s): Harbour VL, Weigl Y, Robinson B, Amir S

PLoS One. 2013;8(10):e76391 Authors: Harbour VL, Weigl Y, Robinson B, Amir S

Article GUID: 24124556


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