Integrated omics dissection of proteome dynamics during cardiac remodeling.

Integrated omics dissection of proteome dynamics during cardiac remodeling.
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DOI:
10.1038/s41467-017-02467-3
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发表时间:
2018-01-09
影响因子:
16.6
通讯作者:
Ping P
Ping P
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Lau E;Cao Q;Lam MPY;Wang J;Ng DCM;Bleakley BJ;Lee JM;Liem DA;Wang D;Hermjakob H;Ping P

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Transcript abundance and protein abundance show modest correlation in many biological models, but how this impacts disease signature discovery in omics experiments is rarely explored. Here we report an integrated omics approach, incorporating measurements of transcript abundance, protein abundance, and protein turnover to map the landscape of proteome remodeling in a mouse model of pathological cardiac hypertrophy. Analyzing the hypertrophy signatures that are reproducibly discovered from each omics data type across six genetic strains of mice, we find that the integration of transcript abundance, protein abundance, and protein turnover data leads to 75% gain in discovered disease gene candidates. Moreover, the inclusion of protein turnover measurements allows discovery of post-transcriptional regulations across diverse pathways, and implicates distinct disease proteins not found in steady-state transcript and protein abundance data. Our results suggest that multi-omics investigations of proteome dynamics provide important insights into disease pathogenesis in vivo. Transcriptome data provide only a partial picture of disease states. Here, via integration of transcript-, protein abundance and protein turnover data for a mouse model of cardiac hypertrophy, the authors uncover additional disease gene signatures, and show that turnover data sheds unique light on posttranslational regulation.
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