Research Topics
| Nirinjini NaidooSummaryAffiliation: University of Pennsylvania Country: USA Publications
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Detail Information
Publications
Genetic background has a major impact on differences in sleep resulting from environmental influences in DrosophilaJohn E Zimmerman
Center for Sleep and Circadian Neurobiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104 3403, USA
Sleep 35:545-57. 2012....
Glycogen in the brain of Drosophila melanogaster: diurnal rhythm and the effect of rest deprivationJohn E Zimmerman
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104 4283, USA
J Neurochem 88:32-40. 2004..0001 and p<0.0001, respectively). Glycogen in the fly brain changes in relationship to rest and activity and demonstrates a biphasic response to rest deprivation similar to that observed in mammalian astrocytes in culture...
A video method to study Drosophila sleepJohn E Zimmerman
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, 125 South 31st St, Suite 2100, Philadelphia, PA 19104 3403, USA
Sleep 31:1587-98. 2008..To use video to determine the accuracy of the infrared beam-splitting method for measuring sleep in Drosophila and to determine the effect of time of day, sex, genotype, and age on sleep measurements...
Multiple mechanisms limit the duration of wakefulness in Drosophila brainJohn E Zimmerman
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Physiol Genomics 27:337-50. 2006....
Aging impairs the unfolded protein response to sleep deprivation and leads to proapoptotic signalingNirinjini Naidoo
Division of Sleep Medicine and Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 28:6539-48. 2008....
Changes in components of energy regulation in mouse cortex with increases in wakefulnessElena V Nikonova
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 3403, USA
Sleep 33:889-900. 2010..We hypothesized that energy depletion could be a mechanism leading to difficulty maintaining wakefulness and assessed changes in components of the electron transport chain...
Protein synthesis during sleep consolidates cortical plasticity in vivoJulie Seibt
Department of Neuroscience, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104 6074, USA
Curr Biol 22:676-82. 2012..These findings show that sleep promotes cortical mRNA translation. Interruption of this process has functional consequences, because it abolishes the consolidation of experience in the cortex...
Role of Homer proteins in the maintenance of sleep-wake statesNirinjini Naidoo
Center for Sleep and Circadian Neurobiology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
PLoS ONE 7:e35174. 2012..Sustained behaviors of the sleep/wake cycle are created by molecular pathways that are distinct from those for arousal or short bouts, and implicate an evolutionarily-conserved role for Homer in sustaining these behaviors...
Cellular stress/the unfolded protein response: relevance to sleep and sleep disordersNirinjini Naidoo
University of Pennsylvania School of Medicine, Center for Sleep and Respiratory Neurobiology, Division of Sleep Medicine, 125 South 31st Street, Suite 2100, Philadelphia, PA 19104, USA
Sleep Med Rev 13:195-204. 2009....
A role for the molecular chaperone protein BiP/GRP78 in Drosophila sleep homeostasisNirinjini Naidoo
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Sleep 30:557-65. 2007..We then sought to establish a key role for BiP in the homeostatic process of sleep by contrasting recovery sleep in models of over- and under-expression of BiP...
Macromolecule biosynthesis: a key function of sleepMiroslaw Mackiewicz
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 3403, USA
Physiol Genomics 31:441-57. 2007..We postulate that during sleep there is a rebuilding of multiple key cellular components in preparation for subsequent wakefulness...
Endoplasmic reticulum stress in wake-active neurons progresses with agingNirinjini Naidoo
Division of Sleep Medicine, Center for Sleep and Circadian Neurobiology, School of Medicine, University of Pennsylvania, 125 S 31st Street, Philadelphia, PA 19104, USA
Aging Cell 10:640-9. 2011..We have identified an age-related unfolded protein response injury to and dysfunction of wake neurons. It is anticipated that these changes contribute to sleep/wake fragmentation and cognitive impairment in aging...
Molecular mechanisms of sleep and wakefulnessMiroslaw Mackiewicz
Center for Sleep and Respiratory Neurobiology, Division of Sleep Medicine Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
Ann N Y Acad Sci 1129:335-49. 2008..Identification of genes regulating sleep has the potential for translational studies to elucidate the genetics of sleep and response to sleep deprivation in humans...
The energy hypothesis of sleep revisitedMatthew T Scharf
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Translational Research Building, Suite 2100, 125 S 31st Street, Philadelphia, PA 19104 3403, USA
Prog Neurobiol 86:264-80. 2008....
The endoplasmic reticulum stress response and agingNirinjini Naidoo
University of Pennsylvania School of Medicine, Center for Sleep and Respiratory Neurobiology, Philadelphia, PA 19104, USA
Rev Neurosci 20:23-37. 2009..There is also considerable evidence of oxidative damage. There are suggestions that an impaired UPR may contribute to the acceleration of neurodegenerative disorders...
ER and aging-Protein folding and the ER stress responseNirinjini Naidoo
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, United States
Ageing Res Rev 8:150-9. 2009..This review will highlight age-related changes in the protein folding machinery and in the UPR...
Conservation of sleep: insights from non-mammalian model systemsJohn E Zimmerman
Center for Sleep and Respiratory Neurobiology, Department of Medicine, University of Pennsylvania School of Medicine, 125 South 31st Street, Philadelphia, PA 19104, USA
Trends Neurosci 31:371-6. 2008....
Proteomic analysis of the effects and interactions of sleep deprivation and aging in mouse cerebral cortexAaron C Pawlyk
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania, School of Medicine, Philadelphia, Pennsylvania, USA
J Neurochem 103:2301-13. 2007..The identity and characteristics of these proteins relevant to sleep and aging are discussed...
The unfolded protein response in mouse cerebral cortexNirinjini Naidoo
Center for Sleep and Circadian Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
Methods Enzymol 489:3-21. 2011..Thus the UPR is being studied in many model systems. We describe in this chapter methods for studying the UPR in a mouse model, specifically the cerebral cortex of mouse brain...
The UPR and the anti-oxidant response: relevance to sleep and sleep lossMarishka K Brown
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Mol Neurobiol 42:103-13. 2010..This review will highlight the molecular components of the UPR that ameliorate the accumulation of oxidative stress and may therefore provide potential therapeutic targets...
Mechanisms of sleep-dependent consolidation of cortical plasticitySara J Aton
Department of Neuroscience, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Neuron 61:454-66. 2009..These findings demonstrate that synaptic strengthening via NMDAR and PKA activity is a key step in sleep-dependent consolidation of ODP...
Eif-2a protects brainstem motoneurons in a murine model of sleep apneaYan Zhu
Center for Sleep and Neurobiology and Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 28:2168-78. 2008..It is anticipated that obstructive sleep apnea results in endoplasmic reticulum injury involving motoneurons, whereas a critical balance of phosphorylated eIF-2a should minimize motoneuronal injury in obstructive sleep apnea...
AMP-activated protein kinase phosphorylation in brain is dependent on method of killing and tissue preparationMatthew T Scharf
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 3403, USA
J Neurochem 105:833-41. 2008..These results demonstrate that alpha-AMPK phosphorylation is dependent on method of killing and tissue preparation and that alpha-AMPK phosphorylation can increase in a manner that does not reflect biological alterations...
Potential of proteomics as a bioanalytic technique for quantifying sleepinessNirinjini Naidoo
Center for Sleep and Circadian Neurobiology, Division of Sleep Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
J Clin Sleep Med 7:S28-30. 2011..A variety of proteonomic techniques are available which are being used in a current sleep deprivation study of monozygotic and dizygotic twin pairs we are performing...
Sleep deprivation induces the unfolded protein response in mouse cerebral cortexNirinjini Naidoo
Division of Sleep Medicine Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Neurochem 92:1150-7. 2005..These changes are first observed after 6 h of induced wakefulness. Thus, prolonging wakefulness beyond a certain duration induces the UPR indicating a physiological limit to wakefulness...
The endoplasmic reticulum stress response in aging and age-related diseasesMarishka K Brown
Center for Sleep and Circadian Neurobiology, University of Pennsylvania Philadelphia, PA, USA
Front Physiol 3:263. 2012..This review will discuss age-related changes in the ER stress response and the role of the UPR in age-related diseases...
Relationships among dietary nutrients and subjective sleep, objective sleep, and napping in womenMichael A Grandner
Center for Sleep and Respiratory Neurobiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Sleep Med 11:180-4. 2010..To describe which dietary nutrient variables are related to subjective and objective habitual sleep and subjective and objective napping...
