Research Topics
Species | Leslie M ShawSummaryAffiliation: University of Pennsylvania Country: USA Publications
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Publications
Qualification of the analytical and clinical performance of CSF biomarker analyses in ADNILeslie M Shaw
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Acta Neuropathol 121:597-609. 2011....
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)...
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...
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....
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...
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...
Improved protocol for measurement of plasma β-amyloid in longitudinal evaluation of Alzheimer's Disease Neuroimaging Initiative study patientsMichal J Figurski
Department of Pathology and Laboratory Medicine, Institute on Aging, Center for Neurodegenerative Disease Research, University of Pennsylvania, Philadelphia, USA
Alzheimers Dement 8:250-60. 2012..The goal of this investigation was to address these problems by improving the performance of the bioanalytical method...
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....
Prediction of MCI to AD conversion, via MRI, CSF biomarkers, and pattern classificationChristos Davatzikos
Section of Biomedical Image Analysis, Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Neurobiol Aging 32:2322.e19-27. 2011..In summary, both SPARE-AD and CSF biomarkers showed high baseline sensitivity, however, many MCI-NC had abnormal baseline SPARE-AD and CSF biomarkers. Longer follow-up will elucidate the specificity of baseline measurements...
Factors affecting Aβ plasma levels and their utility as biomarkers in ADNIJon B Toledo
Department of Pathology and Laboratory Medicine, Institute on Aging, Center for Neurodegenerative Disease Research, University of Pennsylvania School of Medicine, HUP, Maloney 3rd JQT or 7th LMS Floor, 36th and Spruce Streets, Philadelphia, PA, 19104 4283, USA
Acta Neuropathol 122:401-13. 2011..Our study emphasizes the need for a better understanding of the biology and dynamics of plasma Aβ as well as the need for longer term studies to determine the clinical utility of measuring plasma Aβ...
Phosphorylated tau/amyloid beta 1-42 ratio in ventricular cerebrospinal fluid reflects outcome in idiopathic normal pressure hydrocephalusSunil Patel
Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Fluids Barriers CNS 9:7. 2012..abstract:..
Simultaneous analysis of cerebrospinal fluid biomarkers using microsphere-based xMAP multiplex technology for early detection of Alzheimer's diseaseJu Hee Kang
Department of Pathology and Laboratory Medicine, Institute on Aging and Center for Neurodegenerative Disease Research, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
Methods 56:484-93. 2012....
Cardiovascular risk factors, cortisol, and amyloid-β deposition in Alzheimer's Disease Neuroimaging InitiativeJon B Toledo
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
Alzheimers Dement 8:483-9. 2012..Therefore, we examined the relationship between CVRF and amyloid-β (Aβ) brain burden measured by Pittsburgh Compound B-positron emission tomography (PiB-PET) studies in the Alzheimer's Disease Neuroimaging Initiative...
Lack of shunt response in suspected idiopathic normal pressure hydrocephalus with Alzheimer disease pathologyRoy Hamilton
Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
Ann Neurol 68:535-40. 2010....
High-performance liquid chromatography-mass spectroscopy/mass spectroscopy method for simultaneous quantification of total or free fraction of mycophenolic acid and its glucuronide metabolitesMichal J Figurski
Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
Ther Drug Monit 31:717-26. 2009..02%. This method was successfully applied to analyze over 11,000 samples for total analytes, and over 8000 samples for free analytes in plasma, and has been in operation for nearly 3 years without loss of performance...
Development of a predictive limited sampling strategy for estimation of mycophenolic acid area under the concentration time curve in patients receiving concomitant sirolimus or cyclosporineMichal J Figurski
Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
Ther Drug Monit 30:445-55. 2008..86, 4.1, and 83%, respectively. The model with 2 hours as the last time point is also recommended for the SRL group for practical reasons, with the above parameters of 0.77, 11.3, and 69%, respectively...
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...
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...
Pharmacokinetic monitoring of mycophenolic acid in heart transplant patients: correlation the side-effects and rejections with pharmacokinetic parametersMichał J Figurski
Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
Ann Transplant 17:68-78. 2012..Additional MPA AUC measurements are recommended when trough levels do not explain the clinical picture.<br />..
Comparison of xMAP and ELISA assays for detecting cerebrospinal fluid biomarkers of Alzheimer's diseaseLi San Wang
Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
J Alzheimers Dis 31:439-45. 2012....
Evaluation of performance of new, isotopically labeled internal standard ([13c2d4]RAD001) for everolimus using a novel high-performance liquid chromatography tandem mass spectrometry methodMagdalena A Korecka
Department Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
Ther Drug Monit 33:460-3. 2011....
Human Alzheimer and inflammation biomarkers after anesthesia and surgeryJunxia X Tang
Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
Anesthesiology 115:727-32. 2011..The authors studied human cerebrospinal fluid (CSF) biomarkers during surgery...
Cognitive decline and reduced survival in C9orf72 expansion frontotemporal degeneration and amyotrophic lateral sclerosisDavid J Irwin
Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, Alzheimer s Disease Core Center, Institute on Aging, Philadelphia, Pennsylvania, USA
J Neurol Neurosurg Psychiatry 84:163-9. 2013..To clarify this issue, we compared a large C9P cohort with carefully matched non-expansion (C9N) cases with a known or highly-suspected underlying TAR DNA-binding protein 43 (TDP-43) proteinopathy...
Design of comprehensive Alzheimer's disease centers to address unmet national needsJohn Q Trojanowski
Institute on Aging, Philadelphia, PA, USA
Alzheimers Dement 6:150-5. 2010..The intent of this position paper is to stimulate thinking and foster the development of other or alternative models for a systematic approach to the study of dementia and movement disorders...
Quantitation of sirolimus using liquid chromatography-tandem mass spectrometry (LC-MS-MS)Magdalena Korecka
Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
Methods Mol Biol 603:469-77. 2010..5 microg/L. The quantification of drug is made from standard curve using peak-area ratio of analyte vs. internal standard. Calibration curve is constructed using non-weighted linear through zero regression...
PENN biomarker core of the Alzheimer's disease Neuroimaging InitiativeLeslie M Shaw
Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Neurosignals 16:19-23. 2008..This validation data will hopefully provide biomarker test performance needed for effective measurement of the efficacy of new treatment and prevention therapeutic agents...
Therapeutic drug monitoring of mycophenolic acidLeslie M Shaw
Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, PA 19104, USA
Clin J Am Soc Nephrol 2:1062-72. 2007
Quantitation of tacrolimus in whole blood using high performance liquid chromatography-tandem mass spectrometry (HPLC-MS-MS)Keri J Donaldson
Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
Methods Mol Biol 603:479-87. 2010..75 mg/L. The concentration of drug is determined by comparing peak-area ratios for tacrolimus and internal standard to a standard curve constructed using non-weighted linear through zero regression...
Review of the newest HPLC methods with mass spectrometry detection for determination of immunosuppressive drugs in clinical practiceMagdalena Korecka
University of Pennsylvania, Department Pathology and Laboratory Medicine, Philadelphia, PA, USA
Ann Transplant 14:61-72. 2009..In conclusion, important features of LC-MS methodology for immunosuppressive drugs include: shortened analysis time, increased throughput, selectivity and lower cost of analysis.<br /> <br />..
Biomarkers of neurodegeneration for diagnosis and monitoring therapeuticsLeslie M Shaw
Department of Pathology and Laboratory Medicine, The University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
Nat Rev Drug Discov 6:295-303. 2007....
