Research Topics
Species | Virginia EspinaSummaryAffiliation: George Mason University Country: USA Publications
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Publications
Malignant precursor cells pre-exist in human breast DCIS and require autophagy for survivalVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia, United States of America
PLoS ONE 5:e10240. 2010....
Laser capture microdissection technologyVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA 20110, USA
Expert Rev Mol Diagn 7:647-57. 2007..A variety of downstream applications exist: DNA genotyping and loss-of-heterozygosity analysis, RNA transcript profiling, cDNA library generation, mass spectrometry proteomics discovery and signal pathway profiling...
Reduction of preanalytical variability in specimen procurement for molecular profilingVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Methods Mol Biol 823:49-57. 2012..We further propose the future use of a multipurpose fixative solution designed to stabilize, preserve and maintain proteins, nucleic acids, and tissue architecture...
Phosphoprotein stability in clinical tissue and its relevance for reverse phase protein microarray technologyVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Methods Mol Biol 785:23-43. 2011..Based on this analysis we have established tissue procurement guidelines for clinical research with an emphasis on quantifying phosphoproteins by RPMA...
A portrait of tissue phosphoprotein stability in the clinical tissue procurement processVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia 20110, USA
Mol Cell Proteomics 7:1998-2018. 2008....
Multifunctional core-shell nanoparticles: discovery of previously invisible biomarkersDavide Tamburro
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia 20110, USA
J Am Chem Soc 133:19178-88. 2011....
Development of reverse phase protein microarrays for clinical applications and patient-tailored therapyRuna Speer
University of Tubingen, Faculty of Medicine, Department of Obstetrics and Gynecology, Calwer Str 7, 72076 Tubingen, Germany, and Department of Surgery, Inova Fairfax Hospital Cancer Center, Falls Church, VA, USA
Cancer Genomics Proteomics 4:157-64. 2007..This "wiring diagram" can serve as the basis for both, selection of a therapy and patient stratification...
Multiplexed cell signaling analysis of human breast cancer applications for personalized therapyJulia D Wulfkuhle
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia 20110, USA
J Proteome Res 7:1508-17. 2008..Analysis of biopsy material from clinical trials for targeted therapeutics demonstrates the feasibility and utility of comprehensive signal pathway activation profiling for molecular analysis...
Reverse-phase protein microarrays: application to biomarker discovery and translational medicineAmy VanMeter
George Mason University, Center for Applied Proteomics and Molecular Medicine, Manassas, VA 20110, USA
Expert Rev Mol Diagn 7:625-33. 2007..This class of microarray can be used to interrogate cellular samples, serum or body fluids. This review focuses on the application of reverse-phase protein microarrays for translational research and therapeutic drug target discovery...
Reverse phase protein microarrays for monitoring biological responsesVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Methods Mol Biol 383:321-36. 2007..The pattern of signal intensity generated by the protein spots can be correlated with biological and clinical information as diagnostic and prognostic indicators...
Reverse phase protein microarrays: fluorometric and colorimetric detectionRosa I Gallagher
George Mason University, Center for Applied Proteomics and Molecular Medicine, Manassas, VA, USA
Methods Mol Biol 723:275-301. 2011..The focus of this chapter is to describe RPMA detection and imaging using fluorescent and colorimetric (diaminobenzidine (DAB)) methods...
Laser capture microdissection and protein microarray analysis of human non-small cell lung cancer: differential epidermal growth factor receptor (EGPR) phosphorylation events associated with mutated EGFR compared with wild typeAmy J VanMeter
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia 20110, USA
Mol Cell Proteomics 7:1902-24. 2008..This is the first comparison of multiple, site-specific phosphoproteins with the EGFR tyrosine kinase domain mutation status in vivo...
Application of laser microdissection and reverse-phase protein microarrays to the molecular profiling of cancer signal pathway networks in the tissue microenvironmentVirginia Espina
Department of Molecular and Microbiology, Center for Applied Proteomics and Molecular Medicine, George Mason University, 10900 University Boulevard, Manassas, VA 20110, USA
Clin Lab Med 29:1-13. 2009..This article explains how these two technologies, LCM and RPA, can be combined to yield molecular pathway data for the individualized therapy of the future...
Reverse phase protein microarrays advance to use in clinical trialsClaudius Mueller
George Mason University, Center for Applied Proteomics and Molecular Medicine, Manassas, VA 20110, USA
Mol Oncol 4:461-81. 2010....
Reverse-phase phosphoproteome analysis of signaling pathways induced by Rift valley fever virus in human small airway epithelial cellsTaissia G Popova
National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia, United States of America
PLoS ONE 5:e13805. 2010..Analyses of MP-12 titers in challenged cells in the presence of MAPK inhibitors indicated that activation of p38 represents a protective cell response while ERK activation controls viral replication...
Laser-capture microdissectionVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, 10900 University Blvd. MS 4E3, Manassas, Virginia, USA
Nat Protoc 1:586-603. 2006..Herein we provide a thorough description of LCM techniques, with an emphasis on tips and troubleshooting advice derived from LCM users. The total time required to carry out this protocol is typically 1-1.5 h...
Laser capture microdissection: Arcturus(XT) infrared capture and UV cutting methodsRosa I Gallagher
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Methods Mol Biol 823:157-78. 2012....
One-step preservation of phosphoproteins and tissue morphology at room temperature for diagnostic and research specimensClaudius Mueller
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia, United States of America
PLoS ONE 6:e23780. 2011....
The use of hydrogel microparticles to sequester and concentrate bacterial antigens in a urine test for Lyme diseaseTemple A Douglas
Center for Applied Proteomics and Molecular Medicine, George Mason University, 10900 University Boulevard, Manassas, VA 20110, USA
Biomaterials 32:1157-66. 2011..These findings justify controlled clinical studies evaluating the sensitivity and precision of Lyme antigen testing in urine...
Reverse-phase protein microarrays for theranostics and patient tailored therapyVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Methods Mol Biol 520:89-105. 2009..The results of which pathways are "in use" can then be correlated with biological and clinical information and serve as both a diagnostic and a therapeutic guide, thus providing a "theranostic" endpoint...
Mapping molecular networks using proteomics: a vision for patient-tailored combination therapyEmanuel F Petricoin
US Food and Drug Administration National Cancer Institute Clinical Proteomics Program, Office of Cellular and Gene Therapy, Center for Biologics Evaluation and Research, FDA, Bethesda, MD, USA
J Clin Oncol 23:3614-21. 2005..We provide a vision for individualized combinatorial therapy based on proteomic mapping of phosphorylation end points in clinical tissue material...
Molecular analysis of HER2 signaling in human breast cancer by functional protein pathway activation mappingJulia D Wulfkuhle
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, Virginia 20110, USA
Clin Cancer Res 18:6426-35. 2012....
Laser capture microdissectionVirginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Methods Mol Biol 319:213-29. 2006..LCM platforms are available as a manual system (PixCell; Arcturus Bioscience) or as an automated system (AutoPix)...
What is the malignant nature of human ductal carcinoma in situ?Virginia Espina
George Mason University, Center for Applied Proteomics and Molecular Medicine, Manassas, Virginia 20110, USA
Nat Rev Cancer 11:68-75. 2011..A new, open trial of neoadjuvant therapy for patients with DCIS constitutes a model for testing investigational agents that target malignant progenitor cells in the intraductal niche...
[Development of the protein microarray technique and usefulness in individualized molecular tumor therapy]]Virginia Espina
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Onkologie 28:40-2. 2005
Attacking breast cancer at the preinvasion stage by targeting autophagyVirginia Espina
George Mason University, Center for Applied Proteomics and Molecular Medicine, Manassas, VA 20110, USA
Womens Health (Lond Engl) 9:157-70. 2013....
A novel biomarker harvesting nanotechnology identifies Bak as a candidate melanoma biomarker in serumCaterina Longo
Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
Exp Dermatol 20:29-34. 2011..Melanoma represents only 4% of all skin cancers, but nearly 80% of skin cancer deaths. This manuscript applies several new measurement technologies with the purpose of elucidating molecular signatures of melanoma aggressiveness...
Anthrax infection inhibits the AKT signaling involved in the E-cadherin-mediated adhesion of lung epithelial cellsTaissia Popova
National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, VA 20110, USA
FEMS Immunol Med Microbiol 56:129-42. 2009..We conclude that the PI3K/AKT pathway controlling the integrity of epithelium plays an important survival role in anthrax infection...
Reverse phase protein microarrays for theranostics and patient-tailored therapyVirginia Espina
Laboratory of Pathology, National Cancer Institute, Center for Cancer Research, Bethesda, MD, USA
Methods Mol Biol 441:113-28. 2008..The results of which pathways are "in use" can then be correlated with biological and clinical information and serve as both a diagnostic and a therapeutic guide: thus providing a "theranostic" endpoint...
Molecular network analysis using reverse phase protein microarrays for patient tailored therapyRuna Speer
, Faculty of Medicine, Department of Obstetrics and Gynecology, , Germany
Adv Exp Med Biol 610:177-86. 2008
Protein microarrays: meeting analytical challenges for clinical applicationsLance A Liotta
FDA NCI Clinical Proteomics Program, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
Cancer Cell 3:317-25. 2003....
Automated laser capture microdissection for tissue proteomicsAdrianna S Rodriguez
Center for Cancer Research, Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
Methods Mol Biol 441:71-90. 2008..This protocol describes microdissection techniques compatible with downstream proteomic analyses...
Pegylated, steptavidin-conjugated quantum dots are effective detection elements for reverse-phase protein microarraysDavid Geho
FDA-NCI Clinical Proteomics Program, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
Bioconjug Chem 16:559-66. 2005....
Use of reverse phase protein microarrays and reference standard development for molecular network analysis of metastatic ovarian carcinomaKatherine M Sheehan
United States Food and Drug Administration (FDA)-NCI Clinical Proteomics Program, Laboratory of Pathology, Center for Cancer Research, NCI, National Institutes of Health, Bethesda, MD, USA
Mol Cell Proteomics 4:346-55. 2005..Extending these findings to the bedside will require the development of optimized protocols and reference standards. We have developed a reference standard based on a mixture of phosphorylated peptides to begin to address this challenge...
Genomic and proteomic technologies for individualisation and improvement of cancer treatmentJulia Wulfkuhle
NCI FDA Clinical Proteomics Program, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
Eur J Cancer 40:2623-32. 2004..Inclusion of concomitant genomic and proteomic-based molecular profiling techniques into clinical trial protocols will bring us closer to the reality of patient-tailored therapy...
Manual exfoliation of fresh tissue obviates the need for frozen sections for molecular profilingWilfrido D Mojica
Department of Pathology, University at Buffalo, State University of New York, Buffalo, New York 14203, USA
Cancer 105:483-91. 2005..This simple, rapid, nonfixative based technique is capable of preparing cells from human clinical material for further isolation without compromising the preservation of macromolecules in the tissue...
Protein microarray detection strategies: focus on direct detection technologiesVirginia Espina
FDA NCI Clinical Proteomics Program, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Room B1B53, Bldg 10, 9000 Rockville Pike, Bethesda, MD 20892, USA
J Immunol Methods 290:121-33. 2004..Herein, we discuss detection strategies and challenges for protein microarray technology, focusing on direct detection of protein microarrays...
Clinical proteomics: revolutionizing disease detection and patient tailoring therapyEmanuel Petricoin
NCI FDA Clinical Proteomics Program, Office of Cell and Gene Therapy, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland 20892, USA
J Proteome Res 3:209-17. 2004..The analysis of human cancer can be used as a model for how clinical proteomics is having an impact at the bedside for early detection, rational therapeutic targeting, and patient-tailored therapy...
Accurate diagnosis of acute graft-versus-host disease using serum proteomic pattern analysisRamaprasad Srinivasan
Hematology Branch, National Heart, Lung and Blood Institute, Bethesda, MD 20892, USA
Exp Hematol 34:796-801. 2006..CONCLUSION: These preliminary data suggest a potential application of SELDI-TOF-based proteomic analysis as a rapid and accurate method to diagnose acute GVHD...
Phosphoprotein pathway mapping: Akt/mammalian target of rapamycin activation is negatively associated with childhood rhabdomyosarcoma survivalEmanuel F Petricoin
Food and Drug Administration, Center for Biologics Evaluation and Research, Office of Cellular and Gene Therapy, National Cancer Institute, NIH, Bethesda, Maryland, USA
Cancer Res 67:3431-40. 2007..These results suggest that phosphoprotein mapping of the Akt/mTOR pathway should be studied further as a means to select patients to receive mTOR/IRS pathway inhibitors before administration of chemotherapy...
The needle in the haystack: application of breast fine-needle aspirate samples to quantitative protein microarray technologyAmy Rapkiewicz
Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
Cancer 111:173-84. 2007..Reverse-phase protein microarray (RPPM) technology has been applied successfully to the quantitative analysis of breast, ovarian, prostate, and colorectal cancers using frozen surgical specimens...
Proteomic profiling of the NCI-60 cancer cell lines using new high-density reverse-phase lysate microarraysSatoshi Nishizuka
Genomics and Bioinformatics Group, Laboratory of Molecular Pharmacology, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
Proc Natl Acad Sci U S A 100:14229-34. 2003....
Pathology of the future: molecular profiling for targeted therapyVirginia Espina
National Cancer Institute, Laboratory of Pathology, Bethesda, Maryland, USA
Cancer Invest 23:36-46. 2005....
Use of proteomic patterns to screen for gastrointestinal malignanciesAndrew L Feldman
Laboratory of Pathology, National Cancer Institute, Center for Cancer Research, National Institutes of Health, Bethesda, MD 20892, USA
Surgery 135:243-7. 2004
Serum proteomics in cancer diagnosis and managementKevin P Rosenblatt
Laboratory of Pathology, National Cancer Institute, Center for Cancer Research, Bethesda, Maryland 20892, USA
Annu Rev Med 55:97-112. 2004..With this approach, rapid and cost-effective tests with exquisite clinical sensitivity and specificity are emerging. These tools may dramatically change how disease is detected, monitored, and managed...
Use of proteomic analysis to monitor responses to biological therapiesVirginia Espina
National Cancer Institute, NIH, Building 10, Room B1B53, 9000 Rockville Pike, Bethesda, MD 20892, USA
Expert Opin Biol Ther 4:83-93. 2004..Ultimately, proteomics and genomics will become integrated into cancer patient management through the design and tracking of individualised therapy...
Biomarkers of ovarian tumoursAmy V Rapkiewicz
Laboratory of Pathology, National Cancer Institute National Institutes of Health, Bethesda, MD 20892 1500, USA
Eur J Cancer 40:2604-12. 2004..Here, we review the studies that are involved in biomarker development for the detection of ovarian cancer...
Application of laser capture microdissection and protein microarray technologies in the molecular analysis of airway injury following pollution particle exposureElizabeth Roberts
Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
J Toxicol Environ Health A 67:851-61. 2004....
Smart hydrogel particles: biomarker harvesting: one-step affinity purification, size exclusion, and protection against degradationAlessandra Luchini
CRO IRCCS National Cancer Institute, Aviano, Italy
Nano Lett 8:350-61. 2008..The captured analytes can be readily electroeluted for analysis...
A prospective analysis of imatinib-induced c-KIT modulation in ovarian cancer: a phase II clinical study with proteomic profilingEdwin M Posadas
Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892 1500, USA
Cancer 110:309-17. 2007..Imatinib inhibits the kinase domain and subsequent downstream signaling of these receptor tyrosine kinases. The objective of this study was to investigate biochemical and biologic effects of imatinib on EOC...
A phase II and pharmacodynamic study of gefitinib in patients with refractory or recurrent epithelial ovarian cancerEdwin M Posadas
Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA
Cancer 109:1323-30. 2007..The secondary objectives included assessing clinical activity and toxicity and determining the association between biochemical and clinical outcomes...
Physicochemically modified silicon as a substrate for protein microarraysA Jasper Nijdam
Comprehensive Cancer Center, The Ohio State University, 473 W 12th Ave, 326 Columbus, OH 43210, USA
Biomaterials 28:550-8. 2007....
Proteomic analysis of malignant ovarian cancer effusions as a tool for biologic and prognostic profilingBen Davidson
Molecular Signaling Section, Laboratory of Pathology, National Cancer Institute, Bethesda Maryland 20892, USA
Clin Cancer Res 12:791-9. 2006..Biochemical characterization of clinical effusions may provide either predictive and/or correlative information on patient outcome from which to further understand the mechanisms of effusion development and target clinical intervention...
Proteomic analysis of apoptotic pathways reveals prognostic factors in follicular lymphomaChristian Gulmann
National Cancer Institute--Food and Drug Administration Clinical Proteomics Program, Laboratory of Pathology, Bethesda, MD 20892, USA
Clin Cancer Res 11:5847-55. 2005..Proteomic end points should be incorporated in larger, multicenter trials to validate the clinical utility of these protein microarray findings...
An interventional magnetic resonance imaging technique for the molecular characterization of intraprostatic dynamic contrast enhancementCynthia Menard
National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
Mol Imaging 4:63-6. 2005..Here we demonstrate the feasibility of precisely colocalizing DCE-MRI data with the genomic and proteomic profiles of underlying biopsy tissue using a novel MRI-guided biopsy technique in a patients with prostate cancer...
CSF proteome: a protein repository for potential biomarker identificationMartin J Romeo
Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892, USA
Expert Rev Proteomics 2:57-70. 2005..This review highlights some of the promising areas of cerebrospinal fluid proteomic research and their clinical applications...
Protein microarrays: molecular profiling technologies for clinical specimensVirginia Espina
FDA NCI Clinical Proteomics Program, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute NIH, Building 10 Room B1B53, 9000 Rockville Pike, Bethesda, MD 20892, USA
Proteomics 3:2091-100. 2003..A subclass of protein microarrays, Reverse Phase Arrays, created to meet these challenges, has been optimized for use with tissue specimens, and is now in use for the analysis of biopsy samples for clinical trial research...
