4.5 Review

Elucidation of disease etiology by trans-layer omics analysis

期刊

INFLAMMATION AND REGENERATION
卷 41, 期 1, 页码 -

出版社

BMC
DOI: 10.1186/s41232-021-00155-w

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资金

  1. Japan Society for the Promotion of Science (JSPS) KAKENHI [19H01021, K21834]
  2. AMED [JP20km0405211]
  3. Grants-in-Aid for Scientific Research [19H01021] Funding Source: KAKEN

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Genome-wide association studies have identified numerous associations between genetic polymorphisms and human traits, but the pathways between genotype and phenotype remain poorly understood. Omics such as the transcriptome, proteome, and metabolome offer valuable information for translating from genotype to phenotype, providing insights into disease causality and personalized medicine through the integration of various omics datasets.
To date, genome-wide association studies (GWASs) have successfully identified thousands of associations between genetic polymorphisms and human traits. However, the pathways between the associated genotype and phenotype are often poorly understood. The transcriptome, proteome, and metabolome, the omics, are positioned along the pathway and can provide useful information to translate from genotype to phenotype. This review shows useful data resources for connecting each omics and describes how they are combined into a cohesive analysis. Quantitative trait loci (QTL) are useful information for connecting the genome and other omics. QTL represent how much genetic variants have effects on other omics and give us clues to how GWAS risk SNPs affect biological mechanisms. Integration of each omics provides a robust analytical framework for estimating disease causality, discovering drug targets, and identifying disease-associated tissues. Technological advances and the rise of consortia and biobanks have facilitated the analyses of unprecedented data, improving both the quality and quantity of research. Proficient management of these valuable datasets allows discovering novel insights into the genetic background and etiology of complex human diseases and contributing to personalized medicine.

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