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Genomes and Genes | V HaroutunianSummaryAffiliation: Mount Sinai School of Medicine Country: USA Publications
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Publications
Increased expression of RXR? in dementia: an early harbinger for the cholesterol dyshomeostasis?Afia Akram
Department of Neuroscience Mount Sinai School of Medicine, New York, NY 10029, USA
Mol Neurodegener 5:36. 2010..LXR/RXR functions as a sensor of cellular cholesterol concentration and mediates cholesterol efflux by inducing the transcription of key cholesterol shuffling vehicles namely, ATP-binding cassette transporter A1 (ABCA1) and ApoE...
Extensive proteomic screening identifies the obesity-related NYGGF4 protein as a novel LRP1-interactor, showing reduced expression in early Alzheimer's diseaseYuji Kajiwara
Laboratory of Molecular Neuropsychiatry, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
Mol Neurodegener 5:1. 2010..There is good evidence that the cytoplasmic domain of LRP1 is involved in protein-protein interactions, important in the cell biology of LRP1...
Molecular and genetic evidence for abnormalities in the nodes of Ranvier in schizophreniaPanos Roussos
Department of Psychiatry, The Mount Sinai School of Medicine, Bronx, NY 10468, USA
Arch Gen Psychiatry 69:7-15. 2012....
Variations in oligodendrocyte-related gene expression across multiple cortical regions: implications for the pathophysiology of schizophreniaVahram Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029 6575, USA
Int J Neuropsychopharmacol 10:565-73. 2007....
Introduction to the special section: Myelin and oligodendrocyte abnormalities in schizophreniaVahram Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY, USA
Int J Neuropsychopharmacol 10:499-502. 2007....
Tau protein abnormalities associated with the progression of alzheimer disease type dementiaV Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, United States
Neurobiol Aging 28:1-7. 2007....
Transcriptional vulnerability of brain regions in Alzheimer's disease and dementiaVahram Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY 10029, USA
Neurobiol Aging 30:561-73. 2009....
Is there a neuropathology difference between mild cognitive impairment and dementia?Vahram Haroutunian
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY, USA
Dialogues Clin Neurosci 11:171-9. 2009....
Role of the neuropathology of Alzheimer disease in dementia in the oldest-oldVahram Haroutunian
James J Peters VA Medical Center, 130 W Kingsbridge Rd, Bronx, NY 10468, USA
Arch Neurol 65:1211-7. 2008..However, this association has not been extensively studied in the rapidly growing population of the very old...
Autism brain tissue bankingVahram Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, NY 10029 6574, USA
Brain Pathol 17:412-21. 2007..Finally, we provide information on the policies and procedures that govern the distribution of brain specimens by this bank and the nature of the studies that are currently being supported directly by this program...
The human homolog of the QKI gene affected in the severe dysmyelination "quaking" mouse phenotype: downregulated in multiple brain regions in schizophreniaVahram Haroutunian
Department of Psychiatry, Rm 4F 33A, Bronx VA Medical Center, 130 W Kingsbridge Rd, Bronx, NY 10468, USA
Am J Psychiatry 163:1834-7. 2006..The authors sought to understand the origins of oligodendrocyte/myelin gene expression abnormalities in the brains of persons with schizophrenia...
Neuropeptide abnormalities in patients with early Alzheimer diseaseK L Davis
Department of Psychiatry, Mount Sinai School of Medicine, and Jewish Home and Hospital, New York, NY 10029, USA
Arch Gen Psychiatry 56:981-7. 1999..To determine the relation between level of SLI and CRF-IR in different cerebrocortical regions to the earliest signs of cognitive deterioration in AD...
Neurofibrillary tangles in nondemented elderly subjects and mild Alzheimer diseaseV Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY, USA
Arch Neurol 56:713-8. 1999..Identification of the lesions that are most closely associated with the earliest symptoms of Alzheimer disease is crucial to the understanding of the disease process and the development of treatment strategies to affect its progression...
Regional distribution of neuritic plaques in the nondemented elderly and subjects with very mild Alzheimer diseaseV Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY, USA
Arch Neurol 55:1185-91. 1998..Do the classical neuropathological lesions of AD precede, follow, or occur in synchrony with the earliest signs of cognitive deterioration?..
Insulin in combination with other diabetes medication is associated with less Alzheimer neuropathologyM S Beeri
Mount Sinai School of Medicine, Department of Psychiatry, One Gustave Levy Place, Box 1230, New York, NY 10029, USA
Neurology 71:750-7. 2008..To examine the association between treatment for diabetes and Alzheimer disease (AD) neuropathology...
Cortical neuritic plaques and hippocampal neurofibrillary tangles are related to dementia severity in elderly schizophrenia patientsMichael A Rapp
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10128, USA
Schizophr Res 116:90-6. 2010....
Correlation between Abetax-40-, Abetax-42-, and Abetax-43-containing amyloid plaques and cognitive declineS Parvathy
Laboratory of Molecular Neuropsychiatry, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1230, New York, NY 10029, USA
Arch Neurol 58:2025-32. 2001....
Connective tissue growth factor (CTGF) expression in the brain is a downstream effector of insulin resistance- associated promotion of Alzheimer's disease beta-amyloid neuropathologyZhong Zhao
Neuroinflammation Research Laboratories, Mount Sinai School of Medicine, New York, NY 10029, USA
FASEB J 19:2081-2. 2005....
N-methyl-D-aspartic acid receptor expression in the dorsolateral prefrontal cortex of elderly patients with schizophreniaS Dracheva
Department of Psychiatry, Mount Sinai School of Medicine, Bronx Veterans Affairs Medical Center, NY 10468, USA
Am J Psychiatry 158:1400-10. 2001....
Developmental expression profile of quaking, a candidate gene for schizophrenia, and its target genes in human prefrontal cortex and hippocampus shows regional specificityTara L Lauriat
Department of Psychiatry, Mount Sinai School of Medicine, New York, New York 10029, USA
J Neurosci Res 86:785-96. 2008..We also suggest that OMR transcripts might be processed by different splicing proteins in different tissues...
Dissociation of neuropathology from severity of dementia in late-onset Alzheimer diseaseI Prohovnik
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
Neurology 66:49-55. 2006..Little is known about Alzheimer disease at advanced ages, although its incidence continues to increase at least through the ninth decade of life...
Less Alzheimer disease neuropathology in medicated hypertensive than nonhypertensive personsL B Hoffman
Department of Psychiatry, Mount Sinai School of Medicine, New York, USA
Neurology 72:1720-6. 2009..To test the hypothesis that use of antihypertensive medication is associated with lower Alzheimer disease (AD) neuropathology...
Coronary artery disease is associated with Alzheimer disease neuropathology in APOE4 carriersM S Beeri
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY, USA
Neurology 66:1399-404. 2006..To examine the associations between postmortem Alzheimer disease (AD) neuropathology and autopsy-verified cardiovascular disease...
Altered expression of a-type but not b-type synapsin isoform in the brain of patients at high risk for Alzheimer's disease assessed by DNA microarray techniqueL Ho
Neuroinflammation Research Laboratories, Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L. Levy Place, NY 10029, New York, USA
Neurosci Lett 298:191-4. 2001..In contrast, we found no changes in synapsin splice variant II of the b-type isoform. Alteration of synapsin expression at the earliest clinical stage of AD may suggest novel strategies for improved treatment...
Type 2 diabetes is negatively associated with Alzheimer's disease neuropathologyMichal Schnaider Beeri
Department of Psychiatry, Mount Sinai School of Medicine, New York, USA
J Gerontol A Biol Sci Med Sci 60:471-5. 2005..Future studies are encouraged to examine a variety of other characteristics such as age that may interact with diabetes affecting the incidence of AD...
Cholesterol and LDL relate to neuritic plaques and to APOE4 presence but not to neurofibrillary tanglesG T Lesser
Department of Geriatrics and Palliative Medicine, Mount Sinai School of Medicine, NY, USA
Curr Alzheimer Res 8:303-12. 2011..Since the associations of TC/LDL with NP were particularly stronger in ?4 carriers, varying prevalence of this allele may explain some discrepancies among prior studies...
Dopamine receptor transcript expression in striatum and prefrontal and occipital cortex. Focal abnormalities in orbitofrontal cortex in schizophreniaJ H Meador-Woodruff
Department of Psychiatry, University of Michigan, Ann Arbor, USA
Arch Gen Psychiatry 54:1089-95. 1997..We determined the expression of transcripts encoding the dopamine receptors in the brains of schizophrenic patients...
Contribution of Lewy body inclusions to dementia in patients with and without Alzheimer disease neuropathological conditionsV Haroutunian
Psychiatry Research, Room 3F 02, Bronx VA Medical Center, 130 W Kingsbridge Rd, Bronx, NY 10468, USA
Arch Neurol 57:1145-50. 2000..However, the degree to which the density of LBs in the brain contributes to the severity of dementia has not been clear...
Schizophrenia and sex associated differences in the expression of neuronal and oligodendrocyte-specific genes in individual thalamic nucleiWilliam Byne
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY, United States
Schizophr Res 98:118-28. 2008..All markers were differentially expressed across nuclei...
Myelin-associated mRNA and protein expression deficits in the anterior cingulate cortex and hippocampus in elderly schizophrenia patientsStella Dracheva
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L. Levy Place, New York, NY 10029, USA
Neurobiol Dis 21:531-40. 2006..Thus, OMR gene and protein expression deficits in schizophrenia are brain-region specific, and the affected components may share regulatory elements...
GAD67 and GAD65 mRNA and protein expression in cerebrocortical regions of elderly patients with schizophreniaStella Dracheva
Department of Psychiatry, Mount Sinai School of Medicine, New York, New York, USA
J Neurosci Res 76:581-92. 2004....
Variations in differential gene expression patterns across multiple brain regions in schizophreniaP Katsel
Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L. Levy Place, New York, NY 10029-6575, USA
Schizophr Res 77:241-52. 2005....
Clinical, cognitive and functional characteristics of long-stay patients with schizophrenia: a comparison of VA and state hospital patientsP D Harvey
Department of Psychiatry, Mt Sinai School of Medicine, Box 1229, 10029, New York, NY, USA
Schizophr Res 43:3-9. 2000..These data indicate that VA patients may have reduced severity of functional and cognitive impairments relative to state hospital patients, but that the relationship between the different illness variables was similar in the two groups...
Neuronal cyclooxygenase 2 expression in the hippocampal formation as a function of the clinical progression of Alzheimer diseaseL Ho
Neuroinflammation Research Laboratories, Department of Psychiatry, Box 1229, Mount Sinai Medical Center, One Gustave L. Levy Place, New York, NY 10029, USA
Arch Neurol 58:487-92. 2001..COX-2 signal was increased in all 3 regions examined among cases characterized by severe dementia. CONCLUSION: Neuronal COX-2 content in subsets of hippocampal pyramidal neurons may be an indicator of progression of dementia in early AD...
mRNA expression of AMPA receptors and AMPA receptor binding proteins in the cerebral cortex of elderly schizophrenicsStella Dracheva
Department of Psychiatry, The Mount Sinai School of Medicine, New York, New York, USA
J Neurosci Res 79:868-78. 2005..Small but significant differences in the amounts of GluR2, GluR3, and GRIP mRNAs were detected between the two cortical areas: more GluR3 and GRIP but less GluR2 were detected in the DLPFC than in the occipital cortex...
The presenilin-1 familial Alzheimer disease mutant P117L impairs neurogenesis in the hippocampus of adult micePaul H Wen
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
Exp Neurol 188:224-37. 2004..They also identify a new mechanism whereby PS1 FAD mutants may impair normal neuronal function and may have implications for the physiological functioning of the hippocampus in FAD...
Insulin degrading enzyme activity selectively decreases in the hippocampal formation of cases at high risk to develop Alzheimer's diseaseZhong Zhao
Neuroinflammation Research Laboratories, The Mount Sinai School of Medicine, New York, NY 10029, United States
Neurobiol Aging 28:824-30. 2007....
Increased serotonin 2C receptor mRNA editing: a possible risk factor for suicideS Dracheva
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
Mol Psychiatry 13:1001-10. 2008..Thus, at least in patients with SZ or BPD, overexpression of the VSV isoform in the prefrontal cortex may represent an additional risk factor for suicidal behavior...
Characterization of KIAA0513, a novel signaling molecule that interacts with modulators of neuroplasticity, apoptosis, and the cytoskeletonTara L Lauriat
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
Brain Res 1121:1-11. 2006..Therefore, KIAA0513 is likely to be involved in signaling pathways related to these processes...
Elevated plasma cholesterol does not affect brain Abeta in mice lacking the low-density lipoprotein receptorGregory A Elder
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
J Neurochem 102:1220-31. 2007..ApoE protein levels in brain were, however, elevated, in LDLR-/- mice by post-transcriptional mechanisms. Collectively, these studies argue that plasma cholesterol levels do not normally regulate production of brain Abeta...
Increased neurofibrillary tangles in patients with Alzheimer disease with comorbid depressionMichael A Rapp
Department of Psychiatry, Mount Sinai School of Medicine, New York, USA
Am J Geriatr Psychiatry 16:168-74. 2008..The authors tested the hypothesis that neuritic plaques and neurofibrillary tangles are more pronounced in the brains of patients with AD with comorbid depression as compared with patients with AD without depression...
Global expression-profiling studies and oligodendrocyte dysfunction in schizophrenia and bipolar disorderKenneth L Davis
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
Lancet 362:758. 2003
Clinical dementia rating performed several years prior to death predicts regional Alzheimer's neuropathologyMichal Schnaider Beeri
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
Dement Geriatr Cogn Disord 25:392-8. 2008..To assess the relationships between early and late antemortem measures of dementia severity and Alzheimer disease (AD) neuropathology severity...
Abnormal indices of cell cycle activity in schizophrenia and their potential association with oligodendrocytesPavel Katsel
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY 10468, USA
Neuropsychopharmacology 33:2993-3009. 2008..These data suggest that the normal patterns of cell cycle gene and protein expression are disrupted in SZ and that this disruption may contribute to the oligodendroglial deficits observed in SZ...
PGC-1alpha expression decreases in the Alzheimer disease brain as a function of dementiaWeiping Qin
Department of Psychiatry, Mount Sinai School of Medicine, Bronx, NY, USA
Arch Neurol 66:352-61. 2009....
Increased hippocampal plaques and tangles in patients with Alzheimer disease with a lifetime history of major depressionMichael A Rapp
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
Arch Gen Psychiatry 63:161-7. 2006..Although there is increasing evidence that major depression may interact with neuropathological processes in AD, there have been no studies of neuropathological changes in AD as a function of history of major depression...
Altered serotonin 2C receptor RNA splicing in suicide: association with editingStella Dracheva
Department of Psychiatry, Mount Sinai School of Medicine, New York, New York, USA
Neuroreport 19:379-82. 2008..The association analysis indicates, however, that the efficiency of 5-HT2CR editing is an imperfect predictor of the splicing outcome, and that splice site selection is only partially controlled by the level of editing in vivo...
Gene expression abnormalities and oligodendrocyte deficits in the internal capsule in schizophreniaDavid Kerns
J J Peters VA Medical Center, 130 West Kingsbridge Ave, Bronx, New York, NY 10468, USA
Schizophr Res 120:150-8. 2010..These data are consistent with the hypothesis that Ol and myelin deficits in SZ involve a failure of Ol precursors to appropriately exit the cell cycle in order to differentiate and mature into myelinating Ols...
Microarray database mining and cell differentiation defects in schizophreniaAurelian Radu
Department of Developmental and Regenerative Biology, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
Adv Exp Med Biol 696:67-74. 2011..These observations constitute an incentive for a new direction of study, aimed at investigating the potential role of OPCs in schizophrenia...
Schizophrenia-associated reduction of neuronal and oligodendrocyte numbers in the anterior principal thalamic nucleusWilliam Byne
Division of Basic and Laboratory Research, Bronx Veterans Affairs Medical Center, NY 10467, USA
Schizophr Res 85:245-53. 2006..These findings are consistent with a previous report of reduced neuronal number in the anterior principal nucleus of male SZs and add to a growing body of evidence implicating oligodendrocyte abnormalities in SZ...
Cross-domain variability of cognitive performance in very old nursing home residents and community dwellers: relationship to functional statusMichael A Rapp
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029 6574, USA
Gerontology 51:206-12. 2005..Recent evidence suggests that cross-domain variability in cognition may be related to subsequent cognitive decline beyond mean performance levels in cognitive tasks...
Increased expression of cholesterol transporter ABCA1 is highly correlated with severity of dementia in AD hippocampusAfia Akram
Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA
Brain Res 1318:167-77. 2010....
Gain in brain immunity in the oldest-old differentiates cognitively normal from demented individualsPavel Katsel
Department of Psychiatry, Mount Sinai School of Medicine, New York, New York, USA
PLoS ONE 4:e7642. 2009..We sought to characterize transcriptional and protein profiles of dementia in the oldest-old...
Cognitive burden and excess Lewy-body pathology in the Lewy-body variant of Alzheimer diseaseMichael Serby
Departments of Psychiatry and Psychology, Mount Sinai School of Medicine, New York, NY, USA
Am J Geriatr Psychiatry 11:371-4. 2003..CONCLUSION: The co-occurrence of AD and LB pathology is associated with higher numbers of LBs and more severe dementia than when classical AD or LB lesions occur alone...
RNA editing and alternative splicing of human serotonin 2C receptor in schizophreniaStella Dracheva
Department of Psychiatry, Mount Sinai School of Medicine and Bronx Veterans Affairs Medical Center, New York 10468, USA
J Neurochem 87:1402-12. 2003..Quantitation of 5-HT2CR and 5-HT2CR-tr mRNA variants revealed that the expression of 5-HT2CR-tr was approximately 50% of that observed for the full-length isoform...
Neuropsychological differences between late-onset and recurrent geriatric major depressionMichael A Rapp
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L Levy Pl, Box 1230, New York, NY 10029, USA
Am J Psychiatry 162:691-8. 2005..The purpose of this study was to explore differences in neuropsychological function, symptoms, and cardiovascular comorbidity between patients with late-onset and recurrent geriatric major depression...
The MMSE orientation for time domain is a strong predictor of subsequent cognitive decline in the elderlyElizabeth Guerrero-Berroa
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
Int J Geriatr Psychiatry 24:1429-37. 2009..However, little is known about the relationship of performance in specific cognitive domains to subsequent overall decline...
Relationship of neuropsychological performance to functional status in nursing home residents and community-dwelling older adultsMichael A Rapp
Dept of Psychiatry, Mount Sinai School of Medicine, One Gustave L Levy Pl, Box 1240, New York, NY 10029 6574, USA
Am J Geriatr Psychiatry 13:450-9. 2005..The authors examined the association between neuropsychological tests of executive functioning and episodic memory and functional disability in nursing home residents versus community-dwelling older adults...
Variations in myelin and oligodendrocyte-related gene expression across multiple brain regions in schizophrenia: a gene ontology studyPavel Katsel
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY 10029 6575, USA
Schizophr Res 79:157-73. 2005....
White matter changes in schizophrenia: evidence for myelin-related dysfunctionKenneth L Davis
Department of Psychiatry, Kastor Neurobiology of Aging Laboratories, Fishberg Research Center for Neurobiology, Mount Sinai School of Medicine, New York, NY 10021, USA
Arch Gen Psychiatry 60:443-56. 2003....
Number of children is associated with neuropathology of Alzheimer's disease in womenMichal Schnaider Beeri
The Mount Sinai School of Medicine, Department of Psychiatry, New York, NY 10029, USA
Neurobiol Aging 30:1184-91. 2009..To examine the association between number of born children and neuropathology of Alzheimer's disease (AD)...
The effects of cardiovascular risk factors on cognitive compromiseMichal Schnaider Beeri
Mount Sinai School of Medicine, New York, NY 10029, USA
Dialogues Clin Neurosci 11:201-12. 2009..This may be crucial for understanding the effects on cognition of drugs and other approaches, such as lifestyle change, for treating these risk factors...
Gene expression alterations in the sphingolipid metabolism pathways during progression of dementia and Alzheimer's disease: a shift toward ceramide accumulation at the earliest recognizable stages of Alzheimer's disease?Pavel Katsel
Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029 6575, USA
Neurochem Res 32:845-56. 2007..This disrupted balance within the sphingolipid metabolism may trigger signaling events promoting neurodegeneration across cortical regions. This potential mechanism may provide a link between lipid metabolism disturbance and AD...
Restoration of cholinomimetic activity by clonidine in cholinergic plus noradrenergic lesioned ratsV Haroutunian
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029
Brain Res 507:261-6. 1990..These results suggest that combined cholinergic/noradrenergic therapy may be of value in the treatment of some Alzheimer's disease patients...
Age-dependent spatial memory deficits in transgenic mice expressing the human mid-sized neurofilament gene: IV Haroutunian
Psychiatry Service, Bronx VA Medical Center, NY 10468, USA
Brain Res Mol Brain Res 42:62-70. 1996..Whether NF-M transgenic mice exhibit even more severe behavioral impairments when they become aged is currently under study...
Loss and altered spatial distribution of oligodendrocytes in the superior frontal gyrus in schizophreniaPatrick R Hof
Kastor Neurobiology of Aging Laboratories, Fishberg Research Center for Neurobiology and Department of Geriatrics and Adult Development, Mount Sinai School of Medicine, New York, New York 10029, USA
Biol Psychiatry 53:1075-85. 2003..The data support recent evidence that several genes encoding myelin-related proteins consistently exhibit reduced expression in schizophrenia...
Postmortem assessment of thalamic nuclear volumes in subjects with schizophreniaWilliam Byne
Department of Psychiatry and Pathology, Mount Sinai School of Medicine, New York, USA
Am J Psychiatry 159:59-65. 2002..The authors assessed schizophrenia-associated changes in volume and neuronal number in the mediodorsal nucleus and the pulvinar regions of the thalamus...
Altered Abeta formation and long-term potentiation in a calsenilin knock-outChristina Lilliehook
Laboratory of Molecular Neuropsychiatry and Department of Psychiatry, Mount Sinai School of Medicine of New York University, New York, New York 10029, USA
J Neurosci 23:9097-106. 2003..The data presented here show that lack of calsenilin affects both Abeta formation and the A-type current. We suggest that these effects are separate events, caused by a common mechanism possibly involving protein transport...
Implications for altered glutamate and GABA metabolism in the dorsolateral prefrontal cortex of aged schizophrenic patientsMartin R Gluck
Departmnent of Neurology, Medical Research Building, Bronx Veterans Medical Center, 130 West Kingsbridge Road, Bronx, NY 10468, USA
Am J Psychiatry 159:1165-73. 2002....
Ionotropic glutamate receptor mRNA expression in the human thalamus: absence of change in schizophreniaStella Dracheva
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY, USA
Brain Res 1214:23-34. 2008..These results provide detailed and quantitative information on iGluR subunit expression in multiple nuclei of the human thalamus but suggest that alterations in their expression are not a prominent feature of schizophrenia...
Stereologic estimates of total spinophilin-immunoreactive spine number in area 9 and the CA1 field: relationship with the progression of Alzheimer's diseaseAfia Akram
Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA
Neurobiol Aging 29:1296-307. 2008..6% of MMSE and 25.6% of the Clinical Dementia Rating scores variability. Our data suggest that neocortical dendritic spine loss is an independent parameter to consider in AD clinicopathologic correlations...
Up-regulation of NMDA receptor subunit and post-synaptic density protein expression in the thalamus of elderly patients with schizophreniaSarah M Clinton
Department of Psychiatry, Molecular and Behavioral Neuroscience Institute, University of Michigan Medical School, Ann Arbor, 48109, USA
J Neurochem 98:1114-25. 2006..Further, these findings provide additional evidence of NMDA receptor alterations in schizophrenia, which may play an important role in the neurobiology of the illness...
Quantitative analysis of glutamate transporter mRNA expression in prefrontal and primary visual cortex in normal and schizophrenic brainT L Lauriat
Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1229, New York, NY 10029, USA
Neuroscience 137:843-51. 2006..However, because most of the schizophrenic subjects in the cohort had been treated with antipsychotics for many years, it is still possible that changes in transporter expression were masked by medication effects...
Locomotor behavior of dopamine D1 receptor transgenic/D2 receptor deficient hybrid miceS Dracheva
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY, USA
Brain Res 905:142-51. 2001....
Selective loss of dopamine D3-type receptor mRNA expression in parietal and motor cortices of patients with chronic schizophreniaC Schmauss
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029
Proc Natl Acad Sci U S A 90:8942-6. 1993..Many variables associated with either the course and/or the therapeutic management of the disease may account for the selective loss of D3 mRNA in the motor, somatosensory, and somatosensory association areas of schizophrenic brains...
FE65 binds Teashirt, inhibiting expression of the primate-specific caspase-4Yuji Kajiwara
Laboratory of Molecular Neuropsychiatry, Mount Sinai School of Medicine, New York, NY, USA
PLoS ONE 4:e5071. 2009..As caspase-4 shows evidence of being a primate-specific gene, current models of AD and other neurodegenerative conditions may be incomplete because of the absence of this gene in the murine genome...
Microglia activation in the brain as inflammatory biomarker of Alzheimer's disease neuropathology and clinical dementiaZhongmin Xiang
Department of Psychiatry, The Mount Sinai School of Medicine, New York, NY, 10029-6574, USA
Dis Markers 22:95-102. 2006..These results suggest that microglia activation increases with the progression of AD, with the increase varying depending on the involved brain region...
Insulin receptor deficits in schizophrenia and in cellular and animal models of insulin receptor dysfunctionZhong Zhao
Neuroinflammation Research Laboratories, Mount Sinai School of Medicine and Bronx Veterans Affairs Medical Center, New York, NY 10468, USA
Schizophr Res 84:1-14. 2006..Our studies suggest that aberrant IR function may be important in the pathophysiology of schizophrenia...
Lack of association between the levels of the low-density lipoprotein receptor-related protein (LRP) and either Alzheimer dementia or LRP exon 3 genotypeMirsada Causevic
Laboratory of Molecular Neuropsychiatry, Department of Psychiatry, Mount Sinai School of Medicine, New York, New York 10029, USA
J Neuropathol Exp Neurol 62:999-1005. 2003..We found no correlation between LRP levels and either presence of the disease or cognitive decline. In addition, we found no correlation between the LRP exon 3 polymorphism and either AD or LRP levels...
Mitochondrial enzymes in schizophreniaParvesh Bubber
Department of Neurology and Neuroscience, Weill Medical College of Cornell University at Burke Medical Research Institute, White Plains, NY, 10605, USA
J Mol Neurosci 24:315-21. 2004..However, in schizophrenia, unlike a number of neurodegenerative diseases, reductions in the activities of the key mitochondrial enzymes KGDHC and PDHC are not frequent...
Increased locomotor activity in mice lacking the low-density lipoprotein receptorGregory A Elder
Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
Behav Brain Res 191:256-65. 2008..Collectively these studies suggest that while LDLR-/- mice exhibit no major developmental defects, LDLR nevertheless plays a significant role in modulating locomotor behavior in the adult...
Serum lipids are related to Alzheimer's pathology in nursing home residentsGerson T Lesser
Department of Geriatrics and Adult Development, Mount Sinai School of Medicine, New York, N Y, USA
Dement Geriatr Cogn Disord 27:42-9. 2009..Studies of associations between serum lipids and Alzheimer's disease (AD) or other dementias in the elderly show conflicting results, perhaps due to misclassification of the various dementias...
Parkinson's disease dementia: a diminished role for the Lewy bodyLeslie S Libow
The Jewish Home and Hospital Lifecare System, New York, NY 10025, USA
Parkinsonism Relat Disord 15:572-5. 2009..More research with a larger sample size is needed to determine whether the LB may be a secondary phenomenon and/or an "innocent-bystander". The entire role of the LB in PD dementia is again brought into question...
Molecular and cellular evidence for an oligodendrocyte abnormality in schizophreniaPatrick R Hof
Fishberg Research Center for Neurobiology, Mount Sinai School of Medicine, New York, NY 10029, USA
Neurochem Res 27:1193-200. 2002..Therapies modulating oligodendrocyte survival and differentiation may therefore be beneficial in schizophrenia...
Paradoxical locomotor behavior of dopamine D1 receptor transgenic miceS Dracheva
Dr Arthur M Fishberg Research Center for Neurobiology, Mount Sinai School of Medicine, New York, New York 10029, USA
Exp Neurol 157:169-79. 1999..These studies demonstrate that altering the levels of D1 receptor expression reverses the effects of D1 agonism on locomotor initiation and rearing...
Issues and perspectives on brain tissue bankingVahram Haroutunian
Department of Psychiatry, The Mount Sinai School of Medicine, One Gustave L. Levy Place, New York, NY 10029-6574, USA
Curr Psychiatry Rep 4:233-4. 2002
Amyloid beta pathology in Alzheimer's disease and schizophreniaDorota Religa
Department of Clinical Neuroscience, Occupational Therapy and Elderly Care Research, Karolinska Institutet, 141 86 Huddinge, Sweden
Am J Psychiatry 160:867-72. 2003..Biochemical and genetic studies suggest that amyloid beta-peptide is central in Alzheimer's disease. The authors examined the possible involvement of amyloid beta-peptide in cognitive impairment in schizophrenia...
Novel putative nonprotein-coding RNA gene from 11q14 displays decreased expression in brains of patients with schizophreniaOxana O Polesskaya
Molecular Neurobiology Branch, National Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Baltimore, Maryland 21224, USA
J Neurosci Res 74:111-22. 2003..These results suggest that PSZA11q14 may be considered a candidate gene for schizophrenia acting as an antisense regulator of DLG-2, which controls assembling functional N-methyl-D-aspartate (NMDA) receptors...
Altered transcript expression of NMDA receptor-associated postsynaptic proteins in the thalamus of subjects with schizophreniaSarah M Clinton
Department of Psychiatry and Mental Health Research Institute, Universiyt of Michgan medical School, MI 48109 0720, USA
Am J Psychiatry 160:1100-9. 2003..They hypothesized that this reduction is associated with specific NR(1) isoforms and that NMDA receptor-related postsynaptic density proteins are abnormally expressed...
Altered vesicular glutamate transporter expression in the anterior cingulate cortex in schizophreniaAkin Oni-Orisan
Wayne State University School of Medicine, Detroit, Michigan, USA
Biol Psychiatry 63:766-75. 2008..Recent studies have shown that VGLUTs regulate synaptic activity via the amount of glutamate released. Accordingly, we hypothesized that VGLUTs are altered in schizophrenia, contributing to dysfunction of presynaptic activity...
Large-scale microarray studies of gene expression in multiple regions of the brain in schizophrenia and Alzheimer's diseasePavel L Katsel
Department of Psychiatry, The Mount Sinai School of Medicine New York, New York 10029 USA
Int Rev Neurobiol 63:41-82. 2005
CCR1 is an early and specific marker of Alzheimer's diseaseMeredith Halks-Miller
Pharmacopathology, Berlex Biosciences, 2600 Hilltop Drive, Richmond, CA 94804, USA
Ann Neurol 54:638-46. 2003..Thus, neuronal CCR1 is not a generalized marker of neurodegeneration. Rather, it appears to be part of the neuroimmune response to Abeta42-positive neuritic plaques...
Serine racemase protein expression in cortex and hippocampus in schizophreniaAmy E Steffek
Molecular and Behavioral Neuroscience Institute and Department of Psychiatry, University of Michigan Medical School, Ann Arbor, Michigan, USA
Neuroreport 17:1181-5. 2006....
Convergent evidence that oligodendrocyte lineage transcription factor 2 (OLIG2) and interacting genes influence susceptibility to schizophreniaLyudmila Georgieva
Department of Psychological Medicine, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
Proc Natl Acad Sci U S A 103:12469-74. 2006..Our data provide strong convergent evidence that variation in OLIG2 confers susceptibility to schizophrenia alone and as part of a network of genes implicated in oligodendrocyte function...
Expression of transcripts for myelination-related genes in the anterior cingulate cortex in schizophreniaRobert E McCullumsmith
Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
Schizophr Res 90:15-27. 2007..Our results support the hypothesis that myelination and oligodendrocyte function are impaired in schizophrenia...
Dopamine receptor signaling molecules are altered in elderly schizophrenic cortexKaren L Baracskay
Molecular and Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, Michigan, USA
Synapse 60:271-9. 2006..These alterations in spinophilin and calcyon mRNA levels in schizophrenic prefrontal and cingulate cortex provide further evidence of altered dopaminergic neurotransmission in this illness...
Convergent evidence for 2',3'-cyclic nucleotide 3'-phosphodiesterase as a possible susceptibility gene for schizophreniaTimothy R Peirce
Department of Psychological Medicine, School of Medicine, Cardiff University, Cardiff, Wales
Arch Gen Psychiatry 63:18-24. 2006..However, it is unclear whether the observed changes in the schizophrenic brain are primary or secondary...
82-kDa choline acetyltransferase is in nuclei of cholinergic neurons in human CNS and altered in aging and Alzheimer diseaseSandeep K Gill
Department of Physiology and Pharmacology, University of Western Ontario, London, Ont, Canada
Neurobiol Aging 28:1028-40. 2007....
Metabotropic glutamate receptor protein expression in the prefrontal cortex and striatum in schizophreniaDaya S Gupta
Department of Psychiatry and Mental Health Research Institute, University of Michigan Medical School, Ann Arbor, Michigan 48109 0720, USA
Synapse 57:123-31. 2005....
Mitochondrial abnormalities in Alzheimer brain: mechanistic implicationsParvesh Bubber
Weill Medical College of Cornell University at Burke Medical Research Institute, White Plains, NY 10605, USA
Ann Neurol 57:695-703. 2005..01), suggesting a coordinated mitochondrial alteration. The highest correlation was with pyruvate dehydrogenase complex (r = 0.77, r2= 0.59). Measures to improve TCA cycle metabolism might benefit AD patients...
Increased expression of glutaminase and glutamine synthetase mRNA in the thalamus in schizophreniaEmile G Bruneau
Mental Health Research Institute and Department of Psychiatry, University of Michigan Medical School, 205 Zina Pitcher Place, Ann Arbor, MI 48109, USA
Schizophr Res 75:27-34. 2005..Increased PAG and GS transcripts suggest enhanced glutamatergic neurotransmission in the thalamus and its efferent targets in schizophrenia...
Research Grants
- Contribution of cell cycle processes to myelin deficits in schizophreniaVahram Haroutunian; Fiscal Year: 2010..We predict that the identification of the specific cell types and biological processes affected by the disease will enable the design and development of rational and evidence based therapeutic approaches. ..
- Cortico-thalamic Glutamate/GABA mRNA in schizophreniaVahram Haroutunian; Fiscal Year: 2007..In addition, studies in rats will test the hypothesis that the glutamatergic and GABAergic abnormalities in the prefrontal cortex are a direct result of lesions in the MDN. ..
- Contribution of cell cycle processes to myelin deficits in schizophreniaVahram Haroutunian; Fiscal Year: 2009..The current proposal aims to address both these questions using an animal model system. ..
