Proteomics

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Integrated Multilayer Omics Reveals the Genomic, Proteomic and Metabolic Influences of the Histidyl Dipeptides on Heart

ABSTRACT: Histidyl dipeptides, such as carnosine, present in a micro-millimolar ranges in the heart, are synthesized via the enzyme carnosine synthase (Carns). These dipeptides facilitate glycolysis by proton buffering, form conjugates with reactive aldehydes, such as acrolein, and attenuate ischemia and reperfusion injury. While these dipeptides exhibit multifunctional properties, a composite understanding of their roles in myocardium is lacking. To identify the landscape of histidyl dipeptide mediated responses in the heart, we used a triomics approach of genome wide RNA sequencing, global proteomics and unbiased metabolomics in the cardio specific Carns transgenic (Tg) mice and integrated the three data sets.

ORGANISM(S): Mus <genus>

SUBMITTER: Siqi Liu  

PROVIDER: PXD030647 | iProX | Sat Dec 25 00:00:00 GMT 2021

REPOSITORIES: iProX

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Background Histidyl dipeptides such as carnosine are present in a micromolar to millimolar range in mammalian hearts. These dipeptides facilitate glycolysis by proton buffering. They form conjugates with reactive aldehydes, such as acrolein, and attenuate myocardial ischemia-reperfusion injury. Although these dipeptides exhibit multifunctional properties, a composite understanding of their role in the myocardium is lacking. Methods and Results To identify histidyl dipeptide-mediated responses in  ...[more]

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