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Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
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Searching... | 30000010219485 | QP624.5.D726 B38 2009 | Open Access Book | Book | Searching... |
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Summary
Summary
Batch Effects and Noise in Microarray Experiments: Sources and Solutions looks at the issue of technical noise and batch effects in microarray studies and illustrates how to alleviate such factors whilst interpreting the relevant biological information.
Each chapter focuses on sources of noise and batch effects before starting an experiment, with examples of statistical methods for detecting, measuring, and managing batch effects within and across datasets provided online. Throughout the book the importance of standardization and the value of standard operating procedures in the development of genomics biomarkers is emphasized.
Key Features:
A thorough introduction to Batch Effects and Noise in Microrarray Experiments. A unique compilation of review and research articles on handling of batch effects and technical and biological noise in microarray data. An extensive overview of current standardization initiatives. All datasets and methods used in the chapters, as well as colour images, are available on www.the-batch-effect-book.org , so that the data can be reproduced.An exciting compilation of state-of-the-art review chapters and latest research results, which will benefit all those involved in the planning, execution, and analysis of gene expression studies.
Author Notes
Andreas Scherer studied biology in Cologne, Germany, and Freiburg, Germany, and received his Ph.D. for his studies in the fields of genetics, developmental biology, and microbiology. Following a postdoctoral position at UT Southwestern Medical Center in Dallas, TX, he worked for many years in pharmaceutical industry in various positions in the field of experimental and statistical genomics biomarker discovery. In 2007, Andreas Scherer founded Spheromics, a company specialized in analytical and consultancy services in gene expression technologies and biomarker development.
Table of Contents
List of Contributors |
Foreword |
Preface |
1 Variation, Variability, Batches and Bias in Microarray Experiments: An IntroductionAndreas Scherer |
2 Microarray Platforms and Aspects of Experimental VariationJohn Coller |
2.1 Introduction |
2.2 Microarray Platforms |
2.3 Experimental Considerations |
2.4 Conclusions |
3 Experimental DesignPeter Grass |
3.1 Introduction |
3.2 Principles of Experimental Design |
3.3 Measures to Increase Precision and Accuracy |
3.4 Systematic Errors in Microarray Studies |
3.5 Conclusion |
4 Batches and Blocks, Sample Pools and Subsamples in the Design and Analysis of Gene Expression StudiesNaomi Altman |
4.1 Introduction |
4.2 A Statistical Linear Mixed Effects Model for Microarray Experiments |
4.3 Blocks and Batches |
4.4 Reducing Batch Effects by Normalization and Statistical Adjustment |
4.5 Sample Pooling and Sample Splitting |
4.6 Pilot Experiments |
4.7 Conclusions |
Acknowledgements |
5 Aspects of Technical BiasMartin Schumacher and Frank Staedtler and Wendell D Jones and Andreas Scherer |
5.1 Introduction |
5.2 Observational Studies |
5.3 Conclusion |
6 Bioinformatic Strategies for cDNA-Microarray Data ProcessingJessica Fahl´en and Mattias Landfors and Eva Freyhult and Max Bylesjũo and Johan Trygg and Torgeir R Hvidsten and Patrik Ryd´en |
6.1 Introduction |
6.2 Pre-processing |
6.3 Downstream analysis |
6.4 Conclusion |
7 Batch Effect Estimation of Microarray Platforms with Analysis of VarianceNysia I George and James J Chen |
7.1 Introduction |
7.2 Variance Component Analysis across Microarray Platforms |
7.3 Methodology |
7.4 Application: The MAQC Project |
7.5 Discussion and Conclusion |
Acknowledgements |
8 Variance due to Smooth Bias in Rat Liver and Kidney Baseline Gene Expression in a Large Multi-laboratory Data SetMichael J Boedigheimer and Jeff W Chou and J Christopher Corton and Jennifer Fostel and Raegan O'Lone and P Scott Pine and John Quackenbush and Karol L Thompson and Russell D Wolfinger |
8.1 Introduction |
8.2 Methodology |
8.3 Results |
8.4 Discussion |
Acknowledgements |
9 Microarray Gene Expression: The Effects of Varying Certain Measurement ConditionsWalter Liggett and Jean Lozach and Anne Bergstrom Lucas and Ron L Peterson and Marc L Salit and Danielle Thierry-Mieg and Jean Thierry-Mieg and Russell D Wolfinger |
9.1 Introduction |
9.2 Input Mass Effect on the Amount of Normalization Applied |
9.3 Probe-by-Probe Modeling of the Input Mass Effect |
9.4 Further Evidence of Batch Effects |
9.5 ConclusionsDisclaimer |
10 Adjusting Batch Effects in Microarray Experiments with Small Sample Size Using Empirical Bayes MethodsW Evan Johnson and Cheng Li |
10.1 Introduction |
10.2 Existing Methods for Adjusting Batch Effect |
10.3 Empirical Bayes Method for Adjusting Batch Effect |
10.4 Data Examples, Results and Robustness of the Empirical Bayes Method |
10.5 Discussion |
11 Identical Reference Samples and Empirical Bayes Method for Cross-Batch Gene Expression AnalysisWynn L Walker and Frank R Sharp |
11.1 Introduction |
11.2 Methodology |
11.3 Application: Expression Profiling of Blood from Muscular Dystrophy Patients |
11.4 Discussion and Conclusion |
12 Principal Variance Components Analysis: Estimating Batch Effects in Microarray Gene Expression DataJianying Li and Pierre Bushel and Tzu-Ming Chu and Russell D Wolfinger |
12.1 Introduction |
12.2 Methods |
12.3 Experimental Data |
12.4 Application of the PVCA Procedure to the Three Example Data Sets |
12.5 Discussion |
13 Batch Profile Estimation, Correction, and ScoringTzu-Ming Chu and Wenjun Bao and Russell S Thomas and Russell D Wolfinger |
13.1 Introduction |
13.2 Mouse Lung Tumorigenicity Data Set with Batch Effects |
13.3 Discussion |
Acknowledgements |
14 Visualization of Cross-Platform Microarray NormalizationXuxin Liu and Joel Parker and Cheng Fan and Charles M Perou and J Steve Marron |
14.1 Introduction |
14.2 Analysis of the NCIData |
14.3 Improved Statistical Power |
14.4 Gene-by-Gene versus Multivariate Views |
14.5 Conclusion |
15 Toward Integration of Biological Noise: Aggregation Effect in Microarray Data AnalysisLev Klebanov and Andreas Scherer |
15.1 Introduction |
15.2 Aggregated Expression Intensities |
15.3 Covariance between Log-Expressions |
15.4 Conclusion |
Acknowledgements |
16 Potential Sources of Spurious Associations and Batch Effects in Genome-Wide Association StudiesHuixiao Hong and Leming Shi and James C Fuscoe and Federico Goodsaid and Donna Mendrick and Weida Tong |
16.1 Introduction |
16.2 Batch Effects |
17 Standard Operating Procedures in Clinical Gene Expression Biomarker Panel DevelopmentKhurram Shahzad and Anshu Sinha and Farhana Latif and Mario C Deng |
17.1 Introduction |
17.2 Theoretical Framework |
17.3 Systems-Biological Concepts in Medicine |
17.4 General Conceptual Challenges |
17.5 Strategies for Gene Expression Biomarker Development |
17.6 Conclusions |
18 Data, Analysis, and StandardizationGabriella Rustici and Andreas Scherer and John Quackenbush |
18.1 Introduction |
18.2 Reporting Standards |
18.3 Computational Standards: From Microarray to Omic Sciences |
18.4 Experimental Standards: Developing Quality Metrics and a Consensus on Data Analysis Methods |
18.5 Conclusions and Future Perspective |
References |
Index |