Abstract:
:The current paradigm of human genetics research is to analyze variation of a single data type (i.e., DNA sequence or RNA levels) to detect genes and pathways that underlie complex traits such as disease state or drug response. While these studies have detected thousands of variations that associate with hundreds of complex phenotypes, much of the estimated heritability, or trait variability due to genetic factors, remain unexplained. We may be able to account for a portion of the missing heritability if we incorporate a systems biology approach into these analyses. Rapid technological advances will make it possible for scientists to explore this hypothesis via the generation of high-throughput omics data - transcriptomic, proteomic and methylomic to name a few. Analyzing this 'meta-dimensional' data will require clever statistical techniques that allow for the integration of qualitative and quantitative predictor variables. For this article, we examine two major categories of approaches for integrated data analysis, give examples of their use in experimental and in silico datasets, and assess the limitations of each method.
journal_name
Pharmacogenomicsjournal_title
Pharmacogenomicsauthors
Holzinger ER,Ritchie MDdoi
10.2217/pgs.11.145subject
Has Abstractpub_date
2012-01-01 00:00:00pages
213-22issue
2eissn
1462-2416issn
1744-8042journal_volume
13pub_type
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