Research Topics
Genomes and Genes
| Virginia M Y LeeSummaryAffiliation: University of Pennsylvania Country: USA Publications
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Publications
Neurodegenerative tauopathies: human disease and transgenic mouse modelsV M Lee
Department of Pathology and Laboratory Medicine, The University of Pennsylvania School of Medicine, Philadelphia 19104, USA
Neuron 24:507-10. 1999
More than just two peas in a pod: common amyloidogenic properties of tau and alpha-synuclein in neurodegenerative diseasesVirginia M Y Lee
The Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, and Institute on Aging, The University of Pennsylvania, Philadelphia, PA 19104 4283, USA
Trends Neurosci 27:129-34. 2004..Thus, the ability of tau and alpha-synuclein to affect each other directly or indirectly might contribute to the overlap in the clinical and pathological features of tauopathies and synucleinopathies...
Research on the brainVirginia M Y Lee
Center for Neurodegenerative Disease Research, Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Sci Aging Knowledge Environ 2003:pe29. 2003..This meeting report summarizes findings presented at this meeting. The presentations focused on clinicopathological correlations, therapy, genetics, and basic science research...
Transgenic animal models of tauopathiesVirginia M Y Lee
University of Pennsylvania School of Medicine, Pathology, 3600 Spruce Street, HUP, 3rd Floor Maloney Building 1914104 4283, Philadelphia, PA, USA
Biochim Biophys Acta 1739:251-9. 2005..elegan to Drosophila melanogaster and mammalian transgenic mouse models of tauopathies have been generated and reported. This review summarizes the salient features of many of the known models of tauopathies...
Assessment of pathological tau proteins in frontotemporal dementias: qualitative and quantitative approachesVictoria Zhukareva
Center for Neurodegenerative Disease Research, Department of Paathology and Laboratory Medicine, University of Pennsylvania School of Medicine, PA 19104 4283, USA
Am J Geriatr Psychiatry 12:136-45. 2004....
Progress from Alzheimer's tangles to pathological tau points towards more effective therapies nowVirginia M Y Lee
The Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, and Institute on Aging, The University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
J Alzheimers Dis 9:257-62. 2006....
Amyloid binding ligands as Alzheimer's disease therapiesVirginia M Y Lee
The Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, HUP, Maloney Bldg, 3rd Floor, University of Pennsylvania School of Medicine, 36th and Spruce Streets, Philadelphia 19104, USA
Neurobiol Aging 23:1039-42. 2002..Significantly both IMSB and TDZM inhibit Abeta fibrillization in test tubes and in cultured cells. Thus, small amyloid binding molecules such as IMSB and TDZM which cross the BBB are potential therapeutic agents for the treatment of AD...
Mechanisms of Parkinson's disease linked to pathological alpha-synuclein: new targets for drug discoveryVirginia M Y Lee
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, Institute on Aging, Maloney Building, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
Neuron 52:33-8. 2006....
Enrichment of C-terminal fragments in TAR DNA-binding protein-43 cytoplasmic inclusions in brain but not in spinal cord of frontotemporal lobar degeneration and amyotrophic lateral sclerosisLionel M Igaz
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, 3600 Spruce St, 3rd Floor, Maloney Bldg, Philadelphia, PA 19104, USA
Am J Pathol 173:182-94. 2008..Therefore, regionally different pathogenic processes may underlie the development of abnormal TDP-43 proteinopathies...
Neurodegenerative tauopathiesV M Lee
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Annu Rev Neurosci 24:1121-59. 2001....
Initiation and synergistic fibrillization of tau and alpha-synucleinBenoit I Giasson
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine
Science 300:636-40. 2003..This suggests that interactions between alpha-syn and tau can promote their fibrillization and drive the formation of pathological inclusions in human neurodegenerative diseases...
Retarded axonal transport of R406W mutant tau in transgenic mice with a neurodegenerative tauopathyBin Zhang
The Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, and Institute on Aging, The University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 4283, USA
J Neurosci 24:4657-67. 2004....
Transgenic mouse model of tauopathies with glial pathology and nervous system degenerationMakoto Higuchi
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Neuron 35:433-46. 2002..Thus, tau-positive glial lesions similar to human FTDs occur in these Tg mice, and these pathologies are linked to glial and axonal degeneration...
Neuronal alpha-synucleinopathy with severe movement disorder in mice expressing A53T human alpha-synucleinBenoit I Giasson
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, 3600 Spruce Street, University of Pennsylvania School of Medicine, Philadelphia 19104, USA
Neuron 34:521-33. 2002..These mice demonstrate that A53T alpha-synuclein leads to the formation of toxic filamentous alpha-synuclein neuronal inclusions that cause neurodegeneration...
Neuropathologic substrates of Parkinson disease dementiaDavid J Irwin
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Morris K Udall Parkinson s Disease Center of Excellence, Institute on Aging, Philadelphia, PA Department of Neurology, Parkinson s Disease and Movement disorders Clinic, Philadelphia, PA
Ann Neurol 72:587-98. 2012..A study was undertaken to examine the neuropathological substrates of cognitive dysfunction and dementia in Parkinson disease (PD)...
The transmembrane domain region of nicastrin mediates direct interactions with APH-1 and the gamma-secretase complexVanessa A Morais
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Biol Chem 278:43284-91. 2003....
Evidence of multisystem disorder in whole-brain map of pathological TDP-43 in amyotrophic lateral sclerosisFelix Geser
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Alzheimer s Disease Core Center, Institute on Aging, Philadelphia, USA
Arch Neurol 65:636-41. 2008....
α-Syn suppression reverses synaptic and memory defects in a mouse model of dementia with Lewy bodiesYoungshin Lim
Department of Pathology and Laboratory Medicine, Institute on Aging and Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 31:10076-87. 2011..Furthermore, when α-syn expression was suppressed, we observed partial clearing of pre-existing α-syn pathology and reversal of structural synaptic defects, resulting in an improvement in memory function...
Ubiquitinated TDP-43 in frontotemporal lobar degeneration and amyotrophic lateral sclerosisManuela Neumann
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Science 314:130-3. 2006..TDP-43 represents the common pathologic substrate linking these neurodegenerative disorders...
Cerebrospinal fluid profile in frontotemporal dementia and Alzheimer's diseaseMurray Grossman
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Ann Neurol 57:721-9. 2005..We conclude that CSF tau levels are significantly reduced in many patients with FTD...
Detection of amyloid plaques by radioligands for Abeta40 and Abeta42: potential imaging agents in Alzheimer's patientsMei Ping Kung
Department of Radiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
J Mol Neurosci 20:15-24. 2003..Further structural modifications of TZDM to lower the background labeling will be needed to optimize the plaque-labeling property...
Transgenic mouse model of tau pathology in astrocytes leading to nervous system degenerationMark S Forman
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 25:3539-50. 2005..Thus, these Tg mice recapitulate key features of astrocytic pathology observed in human tauopathies and demonstrate functional consequences of this pathology including neuron degeneration in the absence of neuronal tau inclusions...
Nitration of tau protein is linked to neurodegeneration in tauopathiesTakashi Horiguchi
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Am J Pathol 163:1021-31. 2003..Taken together, these findings imply that nitrative injury is directly linked to the formation of filamentous tau inclusions...
The microtubule-stabilizing agent, epothilone D, reduces axonal dysfunction, neurotoxicity, cognitive deficits, and Alzheimer-like pathology in an interventional study with aged tau transgenic miceBin Zhang
Center for Neurodegenerative Disease Research, Institute on Aging and Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Neurosci 32:3601-11. 2012..These data reveal that brain-penetrant MT-stabilizing drugs hold promise for the treatment of AD and related tauopathies, and that EpoD could be a candidate for clinical testing...
Mouse model of multiple system atrophy alpha-synuclein expression in oligodendrocytes causes glial and neuronal degenerationIkuru Yazawa
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Neuron 45:847-59. 2005....
Axonal degeneration induced by targeted expression of mutant human tau in oligodendrocytes of transgenic mice that model glial tauopathiesMakoto Higuchi
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Institute on Aging, University of Pennsylvania, Philadelphia, Pennsylvania 19104
J Neurosci 25:9434-43. 2005..We suggest that similar defects may also occur in sporadic and hereditary human tauopathies with OLG tau pathologies...
Impaired glutamate transport in a mouse model of tau pathology in astrocytesDeepa V Dabir
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Children s Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 26:644-54. 2006..Thus, these Tg mice recapitulate features of astrocytic pathology observed in tauopathies and implicate a role for altered astrocyte function in the pathogenesis of these disorders...
CSF biomarkers cutoffs: the importance of coincident neuropathological diseasesJon B Toledo
Department of Pathology and Laboratory Medicine, Institute on Aging, Center for Neurodegenerative Disease Research, CNDR, University of Pennsylvania School of Medicine, 3rd Floor Maloney Building, 3600 Spruce Street, Philadelphia, PA 19104, USA
Acta Neuropathol 124:23-35. 2012....
Acetylated tau, a novel pathological signature in Alzheimer's disease and other tauopathiesDavid J Irwin
Centre for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Alzheimer s Disease Core Centre, Institute on Ageing, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 6021, USA
Brain 135:807-18. 2012..Thus, inhibiting tau acetylation could be a disease-modifying target for drug discovery target in tauopathies...
Presenilin modulates Pen-2 levels posttranslationally by protecting it from proteasomal degradationAdam S Crystal
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Biochemistry 43:3555-63. 2004....
Dysregulation of the ALS-associated gene TDP-43 leads to neuronal death and degeneration in miceLionel M Igaz
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, and Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Clin Invest 121:726-38. 2011..Our data suggest that perturbation of endogenous nuclear TDP-43 results in loss of normal TDP-43 function(s) and gene regulatory pathways, culminating in degeneration of selectively vulnerable affected neurons...
Risk genotypes at TMEM106B are associated with cognitive impairment in amyotrophic lateral sclerosisRyan Vass
Department of Neurology, University of Pennsylvania School of Medicine, 3400 Spruce Street, Philadelphia, PA 19104, USA
Acta Neuropathol 121:373-80. 2011..These findings implicate the FTLD-TDP risk gene TMEM106B in the development of cognitive impairment in ALS...
Update on the biomarker core of the Alzheimer's Disease Neuroimaging Initiative subjectsJohn Q Trojanowski
Department of Pathology and Laboratory Medicine, Institute on Aging, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Alzheimers Dement 6:230-8. 2010..Further studies in ADNI will refine this model and render the biomarkers studied in ADNI more applicable to routine diagnosis and to clinical trials of disease modifying therapies...
Brain progranulin expression in GRN-associated frontotemporal lobar degenerationAlice S Chen-Plotkin
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Acta Neuropathol 119:111-22. 2010....
Clinical, genetic, and pathologic characteristics of patients with frontotemporal dementia and progranulin mutationsVivianna M Van Deerlin
Department of Pathology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Arch Neurol 64:1148-53. 2007..Patients with frontotemporal dementia due to mutation of progranulin may have a distinct phenotype...
Membrane topology and nicastrin-enhanced endoproteolysis of APH-1, a component of the gamma-secretase complexRyan R Fortna
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Biol Chem 279:3685-93. 2004..Furthermore, we found that APH-1 can be processed by several endoproteolytic events. One of these cleavages is strongly up-regulated by co-expression of nicastrin and generates a stable C-terminal fragment that associates with nicastrin...
Membrane topology of gamma-secretase component PEN-2Adam S Crystal
Department of Microbiology, The Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia 19104, USA
J Biol Chem 278:20117-23. 2003..A protease protection assay also demonstrated that the loop domain of PEN-2 is cytosolic. Thus, PEN-2 spans the membrane twice, with the N and C termini facing the lumen of the endoplasmic reticulum...
IMPY: an improved thioflavin-T derivative for in vivo labeling of beta-amyloid plaquesMei Ping Kung
Department of Radiology, University of Pennsylvania, 3700 Market Street, Room 305, Philadelphia, PA 19104, USA
Brain Res 956:202-10. 2002....
Reduction of detyrosinated microtubules and Golgi fragmentation are linked to tau-induced degeneration in astrocytesYasumasa Yoshiyama
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Institute on Aging, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Neurosci 23:10662-71. 2003..These results suggest that reduced stable Glu-MTs is a primary consequence of tau accumulation that initiates mechanisms underlying astrocyte dysfunction and death in human neurodegenerative glial tauopathies...
TMEM106B, the risk gene for frontotemporal dementia, is regulated by the microRNA-132/212 cluster and affects progranulin pathwaysAlice S Chen-Plotkin
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 32:11213-27. 2012..Evidence for this pathogenic cascade includes the striking convergence of two independent, genomic-scale screens on a microRNA:mRNA regulatory pair. Our findings open novel directions for elucidating miR-based therapies in FTLD-TDP...
Pathological α-synuclein transmission initiates Parkinson-like neurodegeneration in nontransgenic miceKelvin C Luk
Department of Pathology and Laboratory Medicine, Institute on Aging and Center for Neurodegenerative Disease Research, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104 4283, USA
Science 338:949-53. 2012..This recapitulation of a neurodegenerative cascade thus establishes a mechanistic link between transmission of pathologic α-Syn and the cardinal features of Parkinson's disease...
Plasma multianalyte profiling in mild cognitive impairment and Alzheimer diseaseWilliam T Hu
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, USA
Neurology 79:897-905. 2012..Here we aim to determine plasma biomarkers associated with AD in 2 independent cohorts and validate the findings in the multicenter Alzheimer's Disease Neuroimaging Initiative (ADNI)...
Effects of oxidative and nitrative challenges on alpha-synuclein fibrillogenesis involve distinct mechanisms of protein modificationsErin H Norris
Center for Neurodegenerative Disease Research and the Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania 19104, USA
J Biol Chem 278:27230-40. 2003..These findings demonstrate that nitrative and/or oxidative stress results in distinct mechanisms of alpha-synuclein protein modifications that can influence the formation of stable alpha-synuclein fibrils...
Novel CSF biomarkers for Alzheimer's disease and mild cognitive impairmentWilliam T Hu
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Acta Neuropathol 119:669-78. 2010..In summary, our targeted proteomic screen revealed novel CSF biomarkers that can improve the distinction between AD and non-AD cases by established biomarkers alone...
Ubiquitination of alpha-synuclein is not required for formation of pathological inclusions in alpha-synucleinopathiesDeepak M Sampathu
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Am J Pathol 163:91-100. 2003..These results suggest that ubiquitination of alpha-synuclein is not required for inclusion formation and follows the fibrillization of alpha-synuclein...
Epothilone D improves microtubule density, axonal integrity, and cognition in a transgenic mouse model of tauopathyKurt R Brunden
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Neurosci 30:13861-6. 2010..These results suggest that certain brain-penetrant MT-stabilizing agents might provide a viable therapeutic strategy for the treatment of AD and FTDs...
Characterization of tau pathologies in gray and white matter of Guam parkinsonism-dementia complexMatthew J Winton
The Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Acta Neuropathol 111:401-12. 2006....
Reversible inhibition of alpha-synuclein fibrillization by dopaminochrome-mediated conformational alterationsErin H Norris
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Institute on Aging, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Biol Chem 280:21212-9. 2005..Thus, decreased dopamine levels in substantia nigra neurons might promote alpha-syn aggregation in Parkinson's disease...
Sporadic Pick's disease: a tauopathy characterized by a spectrum of pathological tau isoforms in gray and white matterVictoria Zhukareva
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, University of Pennsylvania, 3600 Spruce Street, Philadelphia, PA 19104 4283, USA
Ann Neurol 51:730-9. 2002....
alpha-internexin is present in the pathological inclusions of neuronal intermediate filament inclusion diseaseNigel J Cairns
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 4283, USA
Am J Pathol 164:2153-61. 2004..The discovery of alpha-internexin in the cytoplasmic inclusions implicates novel mechanisms of pathogenesis in NIFID and other neurological diseases with pathological accumulations of IFs...
Degradative organelles containing mislocalized alpha-and beta-synuclein proliferate in presenilin-1 null neuronsChristina A Wilson
Center for Neurodegenerative Disease Research, University of Pennsylvania, Philadelphia, PA 19104, USA
J Cell Biol 165:335-46. 2004....
Comparison of cerebrospinal fluid levels of tau and Aβ 1-42 in Alzheimer disease and frontotemporal degeneration using 2 analytical platformsDavid J Irwin
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Institute on Aging, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
Arch Neurol 69:1018-25. 2012..To use values of cerebrospinal fluid tau and β-amyloid obtained from 2 different analytical immunoassays to differentiate Alzheimer disease (AD) from frontotemporal lobar degeneration (FTLD)...
Plasma epidermal growth factor levels predict cognitive decline in Parkinson diseaseAlice S Chen-Plotkin
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Ann Neurol 69:655-63. 2011..Most people with Parkinson disease (PD) eventually develop cognitive impairment (CI). However, neither the timing of onset nor the severity of cognitive symptoms can be accurately predicted. We sought plasma-based biomarkers for CI in PD...
The acetylation of tau inhibits its function and promotes pathological tau aggregationTodd J Cohen
Department of Pathology and Laboratory Medicine, Institute on Aging, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Nat Commun 2:252. 2011..This study suggests that tau K280 acetylation is a potential target for drug discovery and biomarker development for AD and related tauopathies...
Aluminum modulates brain amyloidosis through oxidative stress in APP transgenic miceDomenico Pratico
Center for Experimental Therapeutics and Department of Pharmacology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
FASEB J 16:1138-40. 2002..These results indicate that dietary Al can modulate in vivo AD-like amyloidosis in Tg2576 by increasing brain oxidative stress...
Intraneuronal APP, not free Aβ peptides in 3xTg-AD mice: implications for tau versus Aβ-mediated Alzheimer neurodegenerationMatthew J Winton
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 31:7691-9. 2011..Although we cannot corroborate the presence of intraneuronal Aβ peptide in 3xTg-AD mice, our findings warrant further study as to the role of aberrant APP accumulation in this unique model of AD...
Clinical and pathological continuum of multisystem TDP-43 proteinopathiesFelix Geser
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Arch Neurol 66:180-9. 2009....
Microglial activation and TDP-43 pathology correlate with executive dysfunction in amyotrophic lateral sclerosisJohannes Brettschneider
Center for Neurodegenerative Disease Research CNDR, University of Pennsylvania School of Medicine, 3rd Floor Maloney Building, 3600 Spruce Street, Philadelphia, PA 19104, USA
Acta Neuropathol 123:395-407. 2012..In contrast, AD pathology in ALS is primarily related to increasing age and associated with a poorer performance on the MMSE...
TDP-43-positive white matter pathology in frontotemporal lobar degeneration with ubiquitin-positive inclusionsManuela Neumann
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
J Neuropathol Exp Neurol 66:177-83. 2007..Taken together, these results expand the spectrum of TDP-43 pathology in FTLD-U, suggesting that white matter pathology might contribute to the neurodegenerative process and clinical symptoms in FTLD-U...
Forebrain overexpression of alpha-synuclein leads to early postnatal hippocampal neuron loss and synaptic disruptionYoungshin Lim
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Exp Neurol 221:86-97. 2010..These data imply that developing neurons are more vulnerable to degenerate than mature neurons as a consequence of forebrain WT and mutant alpha-syn overexpression...
Biochemical and pathological characterization of frontotemporal dementia due to a Leu266Val mutation in microtubule-associated protein tau in an African American individualVivianna M Van Deerlin
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research and Institute on Aging, University of Pennsylvania, 3600 Spruce St, 3 Maloney Bldg, Philadelphia, PA, 19104, USA
Acta Neuropathol 113:471-9. 2007..This is also the first reported case of any MAPT mutation in an individual of African American ethnicity...
TDP-43 pathologic lesions and clinical phenotype in frontotemporal lobar degeneration with ubiquitin-positive inclusionsMurray Grossman
Department of Neurology, University of Pennsylvania School of Medicine, 2 Gibson, 3400 Spruce St, Philadelphia, PA 19104 4283, USA
Arch Neurol 64:1449-54. 2007..TDP-43 is a major ubiquitinated disease protein in the pathologic condition of frontotemporal lobar degeneration with ubiquitin-positive inclusions (FTLD-U)...
PolyQ repeat expansions in ATXN2 associated with ALS are CAA interrupted repeatsZhenming Yu
Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
PLoS ONE 6:e17951. 2011....
Biomarker discovery for Alzheimer's disease, frontotemporal lobar degeneration, and Parkinson's diseaseWilliam T Hu
Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
Acta Neuropathol 120:385-99. 2010....
TDP-43 mediates degeneration in a novel Drosophila model of disease caused by mutations in VCP/p97Gillian P Ritson
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 30:7729-39. 2010..We suggest that these findings are likely relevant to the pathogenic mechanism of a broad array of TDP-43 proteinopathies, including frontotemporal lobar degeneration and amyotrophic lateral sclerosis...
Expression of TDP-43 C-terminal Fragments in Vitro Recapitulates Pathological Features of TDP-43 ProteinopathiesLionel M Igaz
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, USA
J Biol Chem 284:8516-24. 2009..Thus, our results show that TDP-43 CTF expression recapitulates key biochemical features of pathological TDP-43 and support the hypothesis that the generation of TDP-43 CTFs is an important step in the pathogenesis of FTLD-U and ALS...
Fibrillization of alpha-synuclein and tau in familial Parkinson's disease caused by the A53T alpha-synuclein mutationPaul T Kotzbauer
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Exp Neurol 187:279-88. 2004..Our data implicate fibrillization of alpha-syn and tau in the pathogenesis of PD, and suggest that distinct amyloidogenic proteins may cross-seed each other in neurodegenerative diseases...
Pathological TDP-43 in parkinsonism-dementia complex and amyotrophic lateral sclerosis of GuamFelix Geser
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Alzheimer s Disease Core Center, Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, PA, 19104 4283, USA
Acta Neuropathol 115:133-45. 2008..Finally, we conclude that the spectrum of TDP-43 proteinopathies should be expanded to include neurodegenerative cognitive and motor diseases, affecting the Chamorro population of Guam...
Concomitant TAR-DNA-binding protein 43 pathology is present in Alzheimer disease and corticobasal degeneration but not in other tauopathiesKunihiro Uryu
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
J Neuropathol Exp Neurol 67:555-64. 2008..These findings provide further insight into the burden and clinical significance of TDP-43 pathology in disorders other than FTLD-U and amyotrophic lateral sclerosis...
Novel monoclonal antibodies demonstrate biochemical variation of brain parkin with ageAaron C Pawlyk
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Biol Chem 278:48120-8. 2003....
Paclitaxel C-10 carbamates: potential candidates for the treatment of neurodegenerative tauopathiesCarlo Ballatore
Department of Chemistry, University of Pennsylvania, 231 South 34th St, Philadelphia, PA 19104 6323, USA
Bioorg Med Chem Lett 17:3642-6. 2007....
Chaperone suppression of alpha-synuclein toxicity in a Drosophila model for Parkinson's diseasePavan K Auluck
Department of Neuroscience, University of Pennsylvania and University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Science 295:865-8. 2002..Furthermore, Lewy bodies in human postmortem tissue immunostained for molecular chaperones, also suggesting that chaperones may play a role in Parkinson's disease progression...
Synapse loss and microglial activation precede tangles in a P301S tauopathy mouse modelYasumasa Yoshiyama
The Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Neuron 53:337-51. 2007..Thus, hippocampal synaptic pathology and microgliosis may be the earliest manifestations of neurodegenerative tauopathies, and abrogation of tau-induced microglial activation could retard progression of these disorders...
Common variants at 7p21 are associated with frontotemporal lobar degeneration with TDP-43 inclusionsVivianna M Van Deerlin
1 Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA 2 These authors contributed equally to this work
Nat Genet 42:234-9. 2010..TMEM106B variants also contribute to genetic risk for FTLD-TDP in individuals with mutations in GRN. Our data implicate variants in TMEM106B as a strong risk factor for FTLD-TDP, suggesting an underlying pathogenic mechanism...
Neuroinflammation and oxidation/nitration of alpha-synuclein linked to dopaminergic neurodegenerationHui Ming Gao
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 28:7687-98. 2008..This study advances understanding of the role of neuroinflammation and abnormal SYN in the pathogenesis of PD and opens new avenues for the discovery of more effective therapies for PD...
Thromboxane receptor activation mediates isoprostane-induced increases in amyloid pathology in Tg2576 miceDiana W Shineman
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 28:4785-94. 2008..S18886 treatment reduced amyloid plaques, insoluble Abeta, and APP levels, thereby implicating TP receptor signaling as a novel target for AD therapy...
Exogenous alpha-synuclein fibrils seed the formation of Lewy body-like intracellular inclusions in cultured cellsKelvin C Luk
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Center for Neurodegenerative Disease Research, Institute on Aging, Philadelphia, PA 19104 4283, USA
Proc Natl Acad Sci U S A 106:20051-6. 2009....
Lewy bodies in the amygdala: increase of alpha-synuclein aggregates in neurodegenerative diseases with tau-based inclusionsAnca Popescu
Department of Neurology, Drexel University College of Medicine, 3300 Henry Avenue, Philadelphia, PA 19129, USA
Arch Neurol 61:1915-9. 2004..However, the spectrum of disorders in which secondary inclusions are likely to occur has not been defined. Amygdala neurons commonly develop large numbers of secondary LBs, making it a practical region for studying this phenomenon...
Effects of TNFalpha-converting enzyme inhibition on amyloid beta production and APP processing in vitro and in vivoMinkyu L Kim
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
J Neurosci 28:12052-61. 2008..Accordingly, it is possible that TACE inhibitors could reduce TNFalpha levels without increasing Abeta levels within the AD brain...
TDP-43 proteinopathies: neurodegenerative protein misfolding diseases without amyloidosisLinda K Kwong
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
Neurosignals 16:41-51. 2008..Thus, these findings support the concept that FTLD and ALS represent a clinicopathologic spectrum of one disease, that is, TDP-43 proteinopathy...
Inhibition of tau fibrillization by oleocanthal via reaction with the amino groups of tauWenkai Li
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 94305, USA
J Neurochem 110:1339-51. 2009..These findings provide a potential scheme for the development of novel therapies for neurodegenerative tauopathies...
Co-morbidity of TDP-43 proteinopathy in Lewy body related diseasesHanae Nakashima Yasuda
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, HUP Maloney 3rd Floor, Philadelphia, PA 19104 4283, USA
Acta Neuropathol 114:221-9. 2007..This study expands the concept of TDP-43 proteinopathies by implicating TDP-43 lesions in mechanisms of neurodegeneration in LB disorders...
Drug discovery in neurodegenerative diseasesHugo Geerts
In Silico Biosciences, Center for Neurodegenerative Disease Research, Institute on Aging, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Sci Aging Knowledge Environ 2005:pe4. 2005..Some of the projects have resulted in very promising drugs, identified and developed by academic centers, entering clinical trials...
GSK-3alpha regulates production of Alzheimer's disease amyloid-beta peptidesChristopher J Phiel
Department of Medicine, Division of Hematology Oncology and Howard Hughes Medical Institute, University of Pennsylvania School of Medicine, Philadelphia, Philadelphia 19104 6148, USA
Nature 423:435-9. 2003....
Burden of neurodegenerative diseases in a cohort of medical examiner subjectsKunihiro Uryu
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
J Forensic Sci 55:642-5. 2010..Our study suggests that decedents >65 years of age in an ME practice are afflicted by common causes of dementia such as AD and FTLD which could contribute wholly or in part to their causes of death...
A90V TDP-43 variant results in the aberrant localization of TDP-43 in vitroMatthew J Winton
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
FEBS Lett 582:2252-6. 2008..Thus, A90V may be a genetic risk factor for FTLD/ALS because it predisposes nuclear TDP-43 to redistribute to the cytoplasm and form pathological aggregates...
Convergence of heat shock protein 90 with ubiquitin in filamentous alpha-synuclein inclusions of alpha-synucleinopathiesKunihiro Uryu
The Center for Neurodegenerative Disease Research, University of Pennsylvania, Philadelphia, Pennsylvania 19104 4283, USA
Am J Pathol 168:947-61. 2006..These data implicate predominantly Hsp90 in the formation of alpha-syn inclusions in PD and related alpha-synucleinopathies...
Severe subcortical TDP-43 pathology in sporadic frontotemporal lobar degeneration with motor neuron diseaseNicholas J Brandmeir
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, Alzheimer s Disease Core Center, Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Acta Neuropathol 115:123-31. 2008....
Cerebrospinal fluid biomarker signature in Alzheimer's disease neuroimaging initiative subjectsLeslie M Shaw
Department of Pathology and Laboratory Medicine, Institute on Aging, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Ann Neurol 65:403-13. 2009..Develop a cerebrospinal fluid biomarker signature for mild Alzheimer's disease (AD) in Alzheimer's Disease Neuroimaging Initiative (ADNI) subjects...
The cytoskeleton in neurodegenerative diseasesNigel J Cairns
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, and Institute on Aging, University of Pennsylvania School of Medicine, Philadelphia, PA 19104 4283, USA
J Pathol 204:438-49. 2004....
Genetic and clinical features of progranulin-associated frontotemporal lobar degenerationAlice S Chen-Plotkin
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, 19104, USA
Arch Neurol 68:488-97. 2011..To assess the relative frequency of unique mutations and their associated characteristics in 97 individuals with mutations in progranulin (GRN), an important cause of frontotemporal lobar degeneration (FTLD)...
The characterization of microtubule-stabilizing drugs as possible therapeutic agents for Alzheimer's disease and related tauopathiesKurt R Brunden
Center for Neurodegenerative Disease Research and Institute on Aging, Department of Pathology and Laboratory Medicine, School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
Pharmacol Res 63:341-51. 2011....
Building an integrated neurodegenerative disease database at an academic health centerSharon X Xie
Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Alzheimers Dement 7:e84-93. 2011..These comparative studies rely on powerful database tools to quickly generate data sets that match diverse and complementary criteria set by them...
Survival profiles of patients with frontotemporal dementia and motor neuron diseaseWilliam T Hu
Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
Arch Neurol 66:1359-64. 2009..Frontotemporal dementia and amyotrophic lateral sclerosis are neurodegenerative diseases associated with TAR DNA-binding protein 43- and ubiquitin-immunoreactive pathologic lesions...
Simultaneous HPLC-MS-MS quantification of 8-iso-PGF(2alpha) and 8,12-iso-iPF(2alpha) in CSF and brain tissue samples with on-line cleanupMagdalena Korecka
Department Pathology and Laboratory Medicine, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
J Chromatogr B Analyt Technol Biomed Life Sci 878:2209-16. 2010..1g of tissue for 8-iso-PGF(2alpha) and 8,12-iso-iPF(2alpha)-VI, respectively, for the brain tissue method. No ion suppression or enhancement of the detection of 8-isoPGF(2alpha), 8,12-isoPF(2alpha)-VI or both internal standards was found...
Variations in the progranulin gene affect global gene expression in frontotemporal lobar degenerationAlice S Chen-Plotkin
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Hum Mol Genet 17:1349-62. 2008..In addition, these data from a large number of human brains provide a valuable resource for future testing of disease hypotheses...
Distinct antemortem profiles in patients with pathologically defined frontotemporal dementiaMurray Grossman
Department of Neurology, 2 Gibson, University of Pennsylvania School of Medicine, 3400 Spruce St, Philadelphia, PA 19104 4283, USA
Arch Neurol 64:1601-9. 2007..Clinical-pathologic studies are crucial to understanding brain-behavior relations and improving diagnostic accuracy in neurodegenerative diseases...
Cerebrospinal fluid tau and beta-amyloid: how well do these biomarkers reflect autopsy-confirmed dementia diagnoses?Christopher M Clark
Departments of Neurology, Center for Neuerodegenerative Disease Research, Alzheimer s Disease Center, Philadelphia, PA 19104, USA
Arch Neurol 60:1696-702. 2003..To understand their value as predictors of disease-specific pathology, levels determined during life must be correlated with definitive diagnoses in mixed dementia groups and cognitively normal subjects...
alpha-Internexin aggregates are abundant in neuronal intermediate filament inclusion disease (NIFID) but rare in other neurodegenerative diseasesNigel J Cairns
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, 3600 Spruce Street, Philadelphia, PA 19104 4283, USA
Acta Neuropathol 108:213-23. 2004..The discovery of alpha-internexin in neuronal cytoplasmic inclusions implicates novel mechanisms of pathogenesis in NIFID and other neurological diseases with pathological filamentous neuronal inclusions...
Synphilin in normal human brains and in synucleinopathies: studies with new antibodiesIan J Murray
Center for Neurodegenerative Research, Department of Pathology and Laboratory Medicine and Institute on Aging, University of Pennsylvania, Maloney 3, HUP, 3600 Spruce St, Philadelphia 19104, USA
Acta Neuropathol (Berl) 105:177-84. 2003..Thus, although synphilin may be an alpha-syn-interacting protein present in some alpha-syn lesions, it still remains to be determined whether synphilin plays a critical role in mechanisms of brain degeneration in human synucleinopathies...
Pin1 has opposite effects on wild-type and P301L tau stability and tauopathyJormay Lim
Cancer Biology Program, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
J Clin Invest 118:1877-89. 2008..Thus, Pin1 has opposite effects on the tauopathy phenotype depending on whether the tau is WT or a P301L mutant, indicating the need for disease-specific therapies for tauopathies...
Research Grants
- TRAINING IN AGE-RELATED NEURODEGENERATIVE DISEASESVirginia Lee; Fiscal Year: 2007..Physician trainees also can acquire training in patient oriented research from trainers and consulting faculty with expertise in this increasing important facet of aging research. ..
- BIOLOGY OF ALZHEIMER PAIRED HELICAL FILAMENTSVirginia Lee; Fiscal Year: 2001..Successful completion of the proposed studies could lead to an understanding of the sequence of events that lead to the hyperphosphorylation of tau, the formation of PHFs and the destabilization of the neuronal cytoskeleton in AD. ..
- BIOLOGY OF ALZHEIMER PAIRED HELICAL FILAMENTSVirginia Lee; Fiscal Year: 1993....
