Proteomics

Dataset Information

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Proteomics of JHS samples identifies proteins associated with heart failure


ABSTRACT: RELEVANCE: Identifying early plasma protein biomarkers that predict the development of heart failure (HF) following myocardial infarction (MI) will help to stratify at risk subjects and provide insight into more effective therapeutic strategies. OBJECTIVE/HYPOTHESIS: The goal of this study was to determine markers of HF in African Americans, using plasma samples collected before the development of symptoms. We propose that early plasma glycoprotein changes will link to later development of heart failure. ApolipoproteinF will be the strongest indicator. METHODS: Plasma samples from a subset of Jackson Heart Study participants with a history of MI but without prevalent heart failure (HF) at visit 2 (2005-2008) were analyzed by glycoproteomics. Individuals were grouped into those who experienced subsequent HF hospitalization after visit 2 (n=15; 3 men/ 12 women) and those without HF hospitalization through 2012 (n=45; 24 men/ 21 women). N-linked plasma glycopeptides were quantified by solid-phase extraction coupled to mass spectrometry and identified using RefSeq and SwissProt. Proteins were mapped for biological processes and functional pathways using Ingenuity Pathway Analysis (IPA) and linked to clinical characteristics.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Blood Plasma

SUBMITTER: Elizabeth Flynn  

LAB HEAD: Merry L Lindsey, Ph.D.

PROVIDER: PXD009870 | Pride | 2018-08-30

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
JHS_10_MI_no_HF_Male.pep.xml Pepxml
JHS_10_MI_no_HF_Male.prot.xml Xml
JHS_10_MI_no_HF_Male.raw Raw
JHS_11_MI_no_HF_Male.pep.xml Pepxml
JHS_11_MI_no_HF_Male.prot.xml Xml
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Publications

LXR/RXR signaling and neutrophil phenotype following myocardial infarction classify sex differences in remodeling.

DeLeon-Pennell Kristine Y KY   Mouton Alan J AJ   Ero Osasere K OK   Ma Yonggang Y   Padmanabhan Iyer Rugmani R   Flynn Elizabeth R ER   Espinoza Ingrid I   Musani Solomon K SK   Vasan Ramachandran S RS   Hall Michael E ME   Fox Ervin R ER   Lindsey Merry L ML  

Basic research in cardiology 20180821 5


Sex differences in heart failure development following myocardial infarction (MI) are not fully understood. We hypothesized that differential MI signaling could explain variations in outcomes. Analysis of the mouse heart attack research tool 1.0 (422 mice; young = 5.4 ± 0.1; old = 23.3 ± 0.1 months of age) was used to dissect MI signaling pathways, which was validated in a new cohort of mice (4.8 ± 0.2 months of age); and substantiated in humans. Plasma collected at visit 2 from the MI subset of  ...[more]

Publication: 1/2

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