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Microarray Data Preprocessing: From Experimental Design to Differential Analysis

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

    6 Citations (Scopus)
    173 Downloads (Pure)

    Abstract

    DNA microarray data preprocessing is of utmost importance in the analytical path starting from the experimental design and leading to a reliable biological interpretation. In fact, when all relevant aspects regarding the experimental plan have been considered, the following steps from data quality check to differential analysis will lead to robust, trustworthy results. In this chapter, all the relevant aspects and considerations about microarray preprocessing will be discussed. Preprocessing steps are organized in an orderly manner, from experimental design to quality check and batch effect removal, including the most common visualization methods. Furthermore, we will discuss data representation and differential testing methods with a focus on the most common microarray technologies, such as gene expression and DNA methylation.

    Original languageEnglish
    Title of host publicationMicroarray Data Analysis
    EditorsGiuseppe Agapito
    PublisherHumana Press
    Pages79-100
    Number of pages22
    ISBN (Electronic)978-1-0716-1839-4
    ISBN (Print)978-1-0716-1841-7
    DOIs
    Publication statusPublished - 2022
    Publication typeA3 Book chapter

    Publication series

    NameMethods in Molecular Biology
    Volume2401
    ISSN (Print)1064-3745
    ISSN (Electronic)1940-6029

    Keywords

    • Batch effect
    • Differential analysis
    • DNA methylation
    • Experimental design
    • Gene expression
    • Microarray
    • Normalization
    • Omics data analysis
    • Preprocessing

    Publication forum classification

    • Publication forum level 1

    ASJC Scopus subject areas

    • Molecular Biology
    • Genetics

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