title: The promise of multi-omics and clinical data integration to identify and target personalized healthcare approaches in autism spectrum disorders.
abstract: Complex diseases are caused by a combination of genetic and environmental factors, creating a difficult challenge for diagnosis and defining subtypes. This review article describes how distinct disease subtypes can be identified through integration and analysis of clinical and multi-omics data. A broad shift toward molecular subtyping of disease using genetic and omics data has yielded successful results in cancer and other complex diseases. To determine molecular subtypes, patients are first classified by applying clustering methods to different types of omics data, then these results are integrated with clinical data to characterize distinct disease subtypes. An example of this molecular-data-first approach is in research on Autism Spectrum Disorder (ASD), a spectrum of social communication disorders marked by tremendous etiological and phenotypic heterogeneity. In the case of ASD, omics data such as exome sequences and gene and protein expression data are combined with clinical data such as psychometric testing and imaging to enable subtype identification. Novel ASD subtypes have been proposed, such as CHD8, using this molecular subtyping approach. Broader use of molecular subtyping in complex disease research is impeded by data heterogeneity, diversity of standards, and ineffective analysis tools. The future of molecular subtyping for ASD and other complex diseases calls for an integrated resource to identify disease mechanisms, classify new patients, and inform effective treatment options. This in turn will empower and accelerate precision medicine and personalized healthcare.
authors.affiliation: 1 Bioinformatics and High-Throughput Analysis Laboratory, Seattle Children's Research Institute , Seattle, Washington.
authors.forename: Roger
authors.initials: R
authors.lastname: Higdon
authors.forename: Rachel K
authors.initials: RK
authors.lastname: Earl
authors.forename: Larissa
authors.initials: L
authors.lastname: Stanberry
authors.forename: Caitlin M
authors.initials: CM
authors.lastname: Hudac
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Montague
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Stewart
authors.forename: Imre
authors.initials: I
authors.lastname: Janko
authors.forename: John
authors.initials: J
authors.lastname: Choiniere
authors.forename: William
authors.initials: W
authors.lastname: Broomall
authors.forename: Natali
authors.initials: N
authors.lastname: Kolker
authors.forename: Raphael A
authors.initials: RA
authors.lastname: Bernier
authors.forename: Eugene
authors.initials: E
authors.lastname: Kolker
mesh_terms: D000067877:Autism Spectrum Disorder / Q000145:classification / Q000235:genetics* / Q000628:therapy; D016000:Cluster Analysis; D023281:Genomics; D006801:Humans; D058889:Molecular Typing; D057285:Precision Medicine
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