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  5. Sexual dimorphism, age, and fat mass are key phenotypic drivers of proteomic signatures
 
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Sexual dimorphism, age, and fat mass are key phenotypic drivers of proteomic signatures

Author(s)
Curran, Aoife M.  
Fogarty Draper, Colleen  
Scott-Boyer, Marie-Pier  
Roche, Helen M.  
Ryan, Miriam F.  
Gibney, Michael J.  
Brennan, Lorraine  
et al.  
Uri
http://hdl.handle.net/10197/9151
Date Issued
2017-09-26
Abstract
Validated protein biomarkers are needed for assessing health trajectories, predicting and subclassifying disease, and optimizing diagnostic and therapeutic clinical decision-making. The sensitivity, specificity, accuracy, and precision of single or combinations of protein biomarkers may be altered by differences in physiological states limiting the ability to translate research results to clinically useful diagnostic tests. Aptamer based affinity assays were used to test whether low abundant serum proteins differed based on age, sex, and fat mass in a healthy population of 94 males and 102 females from the MECHE cohort. The findings were replicated in 217 healthy male and 377 healthy female participants in the DiOGenes consortium. Of the 1129 proteins in the panel, 141, 51, and 112 proteins (adjusted p < 0.1) were identified in the MECHE cohort and significantly replicated in DiOGenes for sexual dimorphism, age, and fat mass, respectively. Pathway analysis classified a subset of proteins from the 3 phenotypes to the complement and coagulation cascades pathways and to immune and coagulation processes. These results demonstrated that specific proteins were statistically associated with dichotomous (male vs female) and continuous phenotypes (age, fat mass), which may influence the identification and use of biomarkers of clinical utility for health diagnosis and therapeutic strategies.
Sponsorship
Department of Agriculture, Food and the Marine
European Commission
Other Sponsorship
Food for Health Ireland
Type of Material
Journal Article
Publisher
American Chemical Society
Journal
Journal of Proteome Research
Volume
16
Issue
11
Start Page
4122
End Page
4133
Copyright (Published Version)
2017 ACS
Subjects

Proteomics

Phenotype

Biomarker

Sex

Male

Female

Age

Fat mass

Protein

Pathway

DOI
10.1021/acs.jproteome.7b00501
Language
English
Status of Item
Peer reviewed
ISBN
ISSN 1535-3893
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
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Curran_et_al_2017.pdf

Size

2.05 MB

Format

Adobe PDF

Checksum (MD5)

aec70de06b09146f2ae624aabba26789

Owning collection
Agriculture and Food Science Research Collection
Mapped collections
Conway Institute Research Collection•
Institute of Food and Health Research Collection•
Public Health, Physiotherapy and Sports Science Research Collection

Item descriptive metadata is released under a CC-0 (public domain) license: https://creativecommons.org/public-domain/cc0/.
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