Curriculum
Vitae (CV) ...
Education
- PhD*, Bioinformatics,
2008 Candidate
-
George
Mason
University
- Thesis Research:
- Genomic Profiling of Blood For Stroke Diagnosis
- Elective Research:
- Effects of Anthrax on Lung, Liver, and Kidney
Gene Expression
-
BS, Cell and Molecular Biology and Genetics, 1995
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Specialized Skills
- Biological Systems Analysis
- BioMarker Discovery
- Candidate Gene Association
- ChIP::chip Analysis
- ChIP::seq Analysis
- Class Discovery
- Classification Modeling
- Clinical Genomics
- Comparative Genomics
- Copy Number Variation (CNV) Analysis
- Exon Analysis
- Gene Prediction
- Gene Expression
Analysis
- Mass Spectrometry Analysis (M/Z)
- Mechanism of Action Analysis
- Mechanism of Disease Analysis
- Patient Stratification
- Predictive Toxicology
- Promoter Modeling
- Protein Bioinformatics
- Sample Size Estimation & Power Analysis
- Theranostic Modeling
- Whole Genome Association
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Software Skills
- Statistics
- R, Splus, SAS, MatLab, SPSS
- Programming
- Perl, C, HTML, BASIC, Fortran
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General Skills
- Univariate Statistics
- Probability
- Hypothesis Testing
- Analysis of Variance
- Multivariate Statistics
- Correlation
- Covariance
- Dimension Reduction
- Regression Analysis
- Discriminant Analysis
- Distance-based Analysis
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Work Experience
(14 years)
- Sep 2006 - Present
- Senior Bioinformatics Scientist
- Global Health Sector
- SRA International, Inc.
- Currently serve the National Institute of
Neurological Disorders and Stroke (NINDS) at the
National Institutes of Health (NIH) as the intramural
resident Bioinformatics Subject Matter Expert.
- Provide omics-based research
support (i.e., experiment design, analysis,
interpretation, planning) for:
- Laboratory of Molecular Biology, Stem Cell
Differentiation and Re-Programming, PI:
Dr. Ron McKay
- Developmental and Metabolic Neurology
Branch, Gauchers Disease Research, Dr. Roscoe Brady
- Human Motor Control Section, Epoch Modeling for Mind Prediction, PI: Dr. Mark Hallett
- Surgical and Molecular Neuro-Oncology Unit, Glioblastoma
Research, PI: Dr. John Park
- Viral Immunology
Section, Multiple Sclerosis Research, PI: Dr. Steve Jacobson
- Cellular Immunology
Section, Multiple Sclerosis Research, PI: Dr. Bibi Bielekova
- Clinical Diseases
Section, Multiple Sclerosis Research, PI: Dr. Henry McFarland
- Cellular and Developmental Neurobiology Section,
Neuron Development and Migration Control, PI:
Dr. Susan Wray
- Developmental Genetics Section, Oligodendrocyte
Differentiation and Fate, PI: Dr. Lynn Hudson
- Stroke Neuroscience Unit, Stroke Research, PI:
Dr. Alison Baird
- Clinical Investigations
Section, Stroke Research, Dr. John Hallenbeck
- Surgical
Neurology Branch, Von Hippel-Lindau Disease
Research,PI: Russell Lonser
- Provide intern mentoring
(2/year)
- Offer/Teach annual course in bioinformatics and statistics
- Manage/Maintain bioinformatics related software
applications for institute
- Represent institute in cross-disciplined project teams
and at conferences.
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- Jan 2006 - Sep 2006
- Senior Research Biostatistician
- Genomics Division
- Gene Logic, Inc.
- Provided genomics based analysis services;
including: Gene Expression Analysis, Patient
Stratification, Clinical Genomics, Biological Systems
Analysis, BioMarker Discovery, and Predictive
Toxicology.
- Represented Division in
cross-disciplined project teams, performed client
interfacing, and provided statistical input/guidance to toxicogenomic, pharmacogenomic, product development,
business development, and marketing staff as needed.
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- Jan 2003 - Jan 2006
- Research Biostatistician
- Genomics Division
- Gene Logic, Inc.
- Provided genomics based analysis services; including: Gene Expression Analysis, Patient
Stratification, Clinical Genomics, Biological Systems
Analysis, BioMarker Discovery, and Predictive
Toxicology.
- Developed statistical methodology for various
genomics based software solutions; including:
- Pathway PrioritizerTM, a biological
systems analysis solution that
accepts gene expression data and rank prioritizes
biological pathways using Mahalanobis Distance in
conjunction with the Chi-square probability distribuition.
- Marker/XTM, a biomarker discovery
solution that uses the one sample t-test in
conjunction with reference gene expression to
identify markers for a specified target class.
- ToxShieldTM, a drug safety solution
that uses Partial Least
Squares Regression based models to predict liver toxicity or heart toxicity.
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- Jan 2000 - Jan 2003
- Associate Research Biostatistician
- Genomics Division
- Gene Logic, Inc.
- Researched and developed methods for predicting human toxicity using rat
gene expression. Methods included: Principal
Component Regression (PC-R), Forward Selection, Discriminant Analysis (DA), and Partial Least Squares
Regression (PLSR).
- Performed gene expression analysis for 200+
animal dose studies; totaling
more than 10,000+ samples.
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- Jan 1999 – Jan 2000
- Bioinformatics Research Analyst
- Gene Discovery Group
- Gene Logic, Inc.
- Performed EST sequence analysis in the goal to identify novel
markers of toxicity.
- Responsibilities included: EST sequence scoring, trimming, masking, clustering, and BLAST analysis.
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- Jan 1998 – Jan 1999
- Research Scientist
- Gene Discovery Group
- Gene Logic, Inc.
- Researched and developed high-throughput compound screening methods and gene discovery technologies; including: bDNA,
multiplexed Q-RT-PCR, ACLARA, and micro-sample amplification.
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- May 1996
– Jan 1998
- Research Group Leader
- Co-Founder
- Gene Discovery Group
- Gene Logic, Inc.
- Founded and led genomics based service group responsible for RNA
extraction, RNA
isolation, cDNA synthesis, RFLP (radioisotope, infrared, fluorescent), Band Recovery, Band Amplification, Band Purification, and DNA
Sequencing (fluorescent).
- Related responsibilities included: LIMS
development, reagent manufacturing, quality control, protocol
development, protocol optimization, personnel management,
personnel recruitment, personnel training, development of and
adherence to an operations budget, equipment management,
equipment maintenance, equipment evaluation, programming of
robotics (Biomek, Hamilton, Multimek), and lab safety.
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- May 1995
– May 1996
- Research Associate
- Gene Discovery Group
- Human Genome Sciences, Inc.
- Performed high-throughput DNA Cloning, PCR, and DNA
Sequencing in the goal to discover novel expressed genes in
Human, Rat, Mouse, Fly, Plant, and select bacteria.
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- May 1994
– May 1995
- Clinical Data Supervisor
- Battelle, Inc.
- Served at the National Cancer Institute (NCI)
- Supervised data management staff and related activities;
including: clinical data collection, data curation, data entry, data
validation, data certification, and code book compilation.
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Teaching Experience
-
2006 - Present
- Course:
Applied Bioinformatics &
Statistics
- Offered: Annually
- At:
National Institutes of Health (NIH)
- Duration: 12 weeks, 1
session/week
- Audience: Clinical Professionals
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-
2008
- Course:
Gene Expression Analysis
- Offered: Annually
- At:
George Mason University
- Duration: 1 class (invited)
- Audience: Graduate-level Students
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Mentoring Experience
-
2006 - Present
- NIH Summer Research Internship Program
- 2 Interns/Summer (3 mos)
- Responsibilities include: project definition,
project planning, training, direction, and supervision.
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Published Work
- Lau P, Verrier J, Nielsen J, Johnson K,
Notterpek L, Hudson L. "Identification of dynamically regulated
microRNA and mRNA networks in developing oligodendrocytes."
Journal of Neuroscience, Nov 2008, 28(45):11720-30. [PMID:
18987208]
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- Jarboe J, Johnson K, Choi Y,
Lonser R, Park J. "Expression of
interleukin-13 receptor alpha2 in glioblastoma multiforme:
implications for targeted therapies". Cancer Research,
Sep 2007, 1;67(17):7983-6. [PMID:
17804706]
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Presented Work
- IDENTIFICATION OF miRNA REGULATORY NETWORKS IN NEURONAL AND
OLIGODENDROCYTE PROGENITORS
Society of Neuroscience, Annual Meeting, November 2008
P. Lau, J. Nielsen, D. Maric, K. Johnson,
J. Barker, L. Hudson.
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- GENOMIC PROFILING OF BLOOD FOR STROKE
DIAGNOSIS
NIH Fall Research Festival,
Genomics Session, October 2008
K. Johnson, A. Baird, Y. Fann.
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- EPOCH MODELING FOR MIND PREDICTION
The National Institutes of Health (NIH) Summer Research
Symposium, Neuroscience Session, August 2008
M. Pfifer, C. Bonin, K.
Johnson, M. Hallet.
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- pathFINDER: A WEB-BASED RESOURCE FOR
THE INVESTIGATION OF SIGNAL TRANSDUCTION
The National Institutes of Health (NIH) Summer Research
Symposium, Neuroscience Session, August 2008
J. Parker, A. Yavatkar, B. Sumal, Y. Fann, K.
Johnson, W. Odenwald.
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- GOPHER-DB: A REFERENCE DATABASE OF GENE
ONTOLOGY AND PATHWAY ENCODED HIERARCHIES
The National Institutes of Health (NIH) Summer Research
Symposium, Neuroscience Session, August 2008
C. Hansen, K. Johnson,
A. Yavatkar, Y. Fann.
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- GENOMIC PROFILING OF BLOOD FOR STROKE
DIAGNOSIS
Intelligent Systems for Molecular Biology Conference (ISMB),
Functional Genomics Session, July 2008
K. Johnson, A. Baird, Y. Fann.
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- HLA ASSOCIATION ANALYSIS AND MODELING
FOR MULTIPLE SCLEROSIS
The National Institutes of Health (NIH) Summer Research
Symposium, Neuroscience Session, August 2007
B. Bennett, K. Johnson, A. Yavatkar,
N. Jeffries, S. Adams, Y. Fann.
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- GOPHER: GENE ONTOLOGY AND PATHWAY
HIERARCHY ENCODER
The National Institutes of Health (NIH) Research Symposium,
Neuroscience Session, August 2007,
C. Merris, K. Johnson, A. Yavatkar, Y.
Lin, Y. Fann.
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- IDENTIFICATION OF CANDIDATE TISSUE
BIOMARKERS ASSOCIATED WITH HISTOPATHOLOGIC GRADE IN PROSTATIC
ADENOCARCINOMA
The American Association for Cancer Research (AACR),
BioMarker Session, April 2006
K. Johnson, L. Mertz.
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- RAPID IDENTIFICATION OF BIOLOGICAL
PATHWAY REGULATION USING GENE EXPRESSION DATA AND A NOVEL
ALGORITHM BASED ON MAHALANOBIS DISTANCE
Intelligent Systems for Molecular Biology Conference (ISMB),
Pathway Network Session, June 2005
K. Johnson, M. Elashoff, A. Castle, L.
Mertz.
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- LEPTIN ACTION IN ADIPOSE TISSUE: THE
IDENTIFICATION OF BIOMARKERS USING GENE EXPRESSION DATA AND A
NOVEL ALGORITHM BASED ON MAHALANOBIS DISTANCE
Intelligent Systems for Molecular Biology Conference (ISMB),
Pathway Network Session, June 2005
Q. Lu, K. Johnson, P. Kulkarni, L.
Mertz.
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- A COMPARISON BETWEEN AN ONCOLOGY GENE
EXPRESSION DATABASE FROM MULTIPLE SOURCES (ONCOMINE) AND A
DATABASE FROM A SINGLE LABORATORY
The American Association for Cancer Research (AACR), Database
Session, April 2005
C. Morehouse, J. Zeugin, K. Johnson,
M. Kuziora, J. Cossman, E. Kaldjian.
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- GENE EXPRESSION PROFILING FOR
PREDICTION OF TREATMENT RESPONSE
American Society of Clinical Oncology (ASCO), Tumor Biology
Session, June 2004
K. Johnson, J. Gotleib, M. Elashoff,
D. Schwartz, L. Mertz, J. Cossman.
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- CONCORDANCE OF TOXICOGENOMIC
PREDICTIONS AND MECHANISTIC ANALYSIS FOR COMPOUNDS TESTED IN
BOTH RAT LIVER AND PRIMARY RAT HEPATOCYTES
Society of Toxicology (SOT), Gene Expression Session, March 2003
M. Orr, B. Higgs, K. Johnson, A.
Castle, and D. Mendrick.
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- USING GENE MARKERS IDENTIFIED FROM A
LARGE DATABASE BUILT WITH PRIMARY RAT HEPATOCYTES FOR PREDICTION
OF HUMAN HEPATOTOXICITY
Society of Toxicology (SOT), Biomarkers of Exposure and Effects
Session, March 2003
D. Mendrick, B. Higgs, K. Johnson, M.
Porter, A. Castle, M. Orr.
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- LIVER TOXICITY PREDICTION AND
CLASSIFICATION USING MICROARRAY DATA: APPLICATION OF REFERENCE
DATA-TRAINED MODELS TO CUSTOMER DATA SETS
Society of Toxicology (SOT), Biomarkers of Exposure and Effects
Session, March 2003
A. Castle, K. Johnson, B. Higgs, M.
Porter, M. Elashoff, C. Chang, D. Mendrick.
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- IDENTIFICATION OF LIVER TOXICITY USING
CLINICAL CHEMISTRY VERSUS GENE EXPRESSION MICROARRAY FACTORS
Society of Toxicology (SOT), Evaluation of Hepatotoxicity
Mechanism Session, March 2003
M. Elashoff, W. Zeng, A. Castle, K. Johnson,
B. Higgs, M. Porter, C. Chang, D. Mendrick.
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- COMPARISON OF MICROARRAY DATA GENERATED
FROM THE SAME RNA FROM 19 DIFFERENT PROCESSING SITES
Society of Toxicology (SOT), Evaluation of Hepatotoxicity
Mechanism Session, March 2003
M. Porter, A. Castle, K. Johnson, B.
Higgs, M. Elashoff, C. Chang, D. Mendrick.
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- PREDICTIVE MODELING OF HEPATOTOXICANTS
USING MICROARRAYS AND A LINEAR DISCRIMINANT MODELING APPROACH
Intelligent Systems for Molecular Biology Conference (ISMB),
Gene Expression Session, August 2002
K. Johnson, A. Castle, B. Higgs, M.
Porter, M. Elashoff, D. Mendrick.
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- CROSS COMPOUND PREDICTIONS USING GENE
EXPRESSION PROFILES FROM ACETAMINOPHEN OR CARBON TERACHLORIDE,
TWO STRUCTURALLY DISTINCT LIVER TOXICANTS
Society of Toxicology (SOT), Comparative and Predictive
Toxicogenomics Session, March 2002
D. Menderick, M. Elashoff, A. Castle, K. Johnson,
M. Porter, H. Sun, C. Chang, M. Orr.
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- PREDICTING TOXICITY IN TWO DISTINCT
SECTIONS OF THE KIDNEY VIA MICROARRAY ANALYSIS
Society of Toxicology (SOT), Comparative and Predictive
Toxicogenomics Session, March 2002
M. Orr, M. Elashoff, A. Castle, K. Johnson,
M. Porter, H. Sun, C. Chang, D. Menderick.
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- IDENTIFICATION THROUGH GENE EXPRESSION
OF A TOXIC RESPONSE IN THE RAT FOR A COMPOUND THAT EXHIBITS
OVERT TOXICITY IN HUMANS, BUT NOT IN RATS
Society of Toxicology (SOT), Comparative and Predictive
Toxicogenomics Session, March 2002
M. Porter, M. Elashoff, K. Johnson, A.
Castle, M. Orr, H. Sun, C. Chang, D. Menderick.
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- PREDICTIVE MODELING OF HEPATOTOXICANTS
USING MICROARRAYS
Society of Toxicology (SOT), Predictive Toxicogenomics Session,
March 2002
A. Castle, M. Porter, M. Elashoff, K. Johnson,
H. Sun, M. Orr, C. Chang, D. Mendrick.
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Protected Work
- MOLECULAR TOXICOLOGY MODELING – RAT
HEART (WO 03068908)
D. Mendrick, M. Porter, K. Johnson, B.
Higgs, A. Castle, M. Elashoff, Gene Logic, Inc.
Describes the working embodiment of genes that are predictive
for General Cardiotoxicity, Cardiotoxicity-associated
Pathologies, and known Cardiotoxins.
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- MOLECULAR TOXICOLOGY MODELING – RAT
PRIMARY HEPATOTOCYTES (WO 03065993)
D. Mendrick, M. Porter, K. Johnson, B.
Higgs, A. Castle, M. Orr, M. Elashoff, Gene Logic, Inc.
Describes the working embodiment of genes that are predictive
for General Primary Rat Hepatocyte Toxicity, Primary Rat
Hepatocyte Toxicity-associated Pathologies, and known Primary
Rat Hepatocyte Toxins.
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- MOLECULAR TOXICOLOGY MODELING – RAT LIVER (WO 03064624)
D. Mendrick, M. Porter, K. Johnson, B.
Higgs, A. Castle, M. Elashoff, Gene Logic, Inc.
Describes the working embodiment of genes that are predictive
for General Hepatotoxicity, Hepatotoxicity-associated
Pathologies, and known Hepatotoxins.
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- MOLECULAR TOXICOLOGY MODELING – RAT
KIDNEY (WO 02095000)
D. Mendrick, M. Porter, K. Johnson, B.
Higgs, A. Castle, M. Elashoff, Gene Logic, Inc.
Describes the working embodiment of genes that are predictive
for General Nephrotoxicity, Nephrotoxicity-associated
Pathologies, and known Nephrotoxins.
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Acknowledged Work
- Yavatkar AS, Lin Y, Ross J, Fann Y, Brody T, Odenwald WF:
Rapid detection and curation of conserved DNA via enhanced-BLAT
and EvoPrinterHD analysis. BMC Genomics. 2008, 9:106. [PMID:
18307801]
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- Katz S, Irizarry R, Lin X, Tripputi M, Porter M:
A summarization approach for Affymetrix
GeneChip data using a reference training set from a large,
biologically diverse database. BMC Bioinformatics.
2006, 7:464. [PMID:
17059591]
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Awards
- 2008
- Merit Award for Excellence, NINDS, NIH
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Memberships
- 2006 - Present
- American Statistical Association
-
Virginia
Academy of Sciences
-
Washington Statistical
Society
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- 2002 - Present
- International Society for Computational Biology
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Federal
Clearance
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