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Integrative OMICS Data-Driven Procedure Using a Derivatized Meta-Analysis Approach

Cervantes-Gracia, Karla; Chahwan, Richard; Husi, Holger (2022). Integrative OMICS Data-Driven Procedure Using a Derivatized Meta-Analysis Approach. Frontiers in Genetics, 13:828786.

Abstract

The wealth of high-throughput data has opened up new opportunities to analyze and describe biological processes at higher resolution, ultimately leading to a significant acceleration of scientific output using high-throughput data from the different omics layers and the generation of databases to store and report raw datasets. The great variability among the techniques and the heterogeneous methodologies used to produce this data have placed meta-analysis methods as one of the approaches of choice to correlate the resultant large-scale datasets from different research groups. Through multi-study meta-analyses, it is possible to generate results with greater statistical power compared to individual analyses. Gene signatures, biomarkers and pathways that provide new insights of a phenotype of interest have been identified by the analysis of large-scale datasets in several fields of science. However, despite all the efforts, a standardized regulation to report large-scale data and to identify the molecular targets and signaling networks is still lacking. Integrative analyses have also been introduced as complementation and augmentation for meta-analysis methodologies to generate novel hypotheses. Currently, there is no universal method established and the different methods available follow different purposes. Herein we describe a new unifying, scalable and straightforward methodology to meta-analyze different omics outputs, but also to integrate the significant outcomes into novel pathways describing biological processes of interest. The significance of using proper molecular identifiers is highlighted as well as the potential to further correlate molecules from different regulatory levels. To show the methodology's potential, a set of transcriptomic datasets are meta-analyzed as an example.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Experimental Immunology
08 Research Priority Programs > Translational Cancer Research
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Scopus Subject Areas:Life Sciences > Molecular Medicine
Life Sciences > Genetics
Health Sciences > Genetics (clinical)
Language:English
Date:2022
Deposited On:15 Feb 2023 15:44
Last Modified:29 Jan 2025 02:34
Publisher:Frontiers Research Foundation
ISSN:1664-8021
OA Status:Gold
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.3389/fgene.2022.828786
PubMed ID:35186042
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  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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