ArticleBehavioural brain research2016
Circadian profiling in two mouse models of lysosomal storage disorders; Niemann Pick type-C and Sandhoff disease.
Article in Behavioural brain research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Review
- The Extending Spectrum of NPC1-Related Human Disorders: From Niemann-Pick C1 Disease to Obesity.Endocrine reviews · 2018Review
- Brain RNA-Seq Profiling of the Mucopolysaccharidosis Type II Mouse Model.International journal of molecular sciences · 2017Article
- COMPASS: Continuous Open Mouse Phenotyping of Activity and Sleep Status.Wellcome open research · 2016Article
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Authors and funding
12 authors at 4 institutions in 1 country.
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Abstract
Sleep and circadian rhythm disruption is frequently associated with neurodegenerative disease, yet it is unclear how the specific pathology in these disorders leads to abnormal rest/activity profiles. To investigate whether the pathological features of lysosomal storage disorders (LSDs) influence the core molecular clock or the circadian behavioural abnormalities reported in some patients, we examined mouse models of Niemann-Pick Type-C (Npc1 mutant, Npc1(nih)) and Sandhoff (Hexb knockout, Hexb(-/-)) disease using wheel-running activity measurement, neuropathology and clock gene expression analysis. Both mutants exhibited regular, entrained rest/activity patterns under light:dark (LD) conditions despite the onset of their respective neurodegenerative phenotypes. A slightly shortened free-running period and changes in Per1 gene expression were observed in Hexb(-/-) mice under constant dark conditions (DD); however, no overt neuropathology was detected in the suprachiasmatic nucleus (SCN). Conversely, despite extensive cholesterol accumulation in the SCN of Npc1(nih) mutants, no circadian disruption was observed under constant conditions. Our results indicate the accumulation of specific metabolites in LSDs may differentially contribute to circadian deregulation at the molecular and behavioural level.
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