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KMID : 1034820220180020141
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Molecular & Cellular Toxicology
2022 Volume.18 No. 2 p.141 ~ p.148
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Sample management: a primary critical starting point for successful omics studies
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Koh Eun-Jung
Kim Seung-Hwan
Hwang Seung-Yong
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Abstract
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Biological samples collected from cohort studies are widely utilized in molecular genetic studies and are typically stored long term for future applications, such as omics analyses. The extent of sample availability is determined by proper sample handling, and it is of primary importance for successful omics studies. However, questions on whether samples in long-term storage are properly available for omics experiments has been raised, because the quality and availability of such samples remain unknown until their actual utilization. In that perspective, several guidelines for proper sample management have been suggested. In addition, several researchers assessed how improper management damages sample using mock sample and suggested a set of requirements for sample handling. In this review, we present several considerations for sample handling eligible for omics studies. Focusing on birth cohorts, we describe the types of samples collected from which omics data were generated. This review ultimately aims to provide proper guidelines for sample handling for successful human omics studies.
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KEYWORD
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Omics, Exposome, Cohort study, DNA, RNA, Chromatin, Sample quality control
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