200+ Protein Concentrations in Healthy Human Blood Plasma: Targeted Quantitative SRM SIS Screening of Chromosomes 18, 13, Y, and the Mitochondrial Chromosome Encoded Proteome

0301 basic medicine Chromosomes, Human, Y Chromosomes, Human, Pair 13 Proteome Healthy Volunteers Mitochondria Plasma 03 medical and health sciences plasma proteome; targeted proteomics; selected reaction monitoring (SRMSIS); healthy human; Chromosome-centric Human Proteome Project (C-HPP);Human Plasma Proteome Project (HPPP) Chromosomes, Human Humans Chromosomes, Human, Pair 18 Databases, Protein
DOI: 10.1021/acs.jproteome.8b00391 Publication Date: 2018-11-27T13:59:04Z
ABSTRACT
This work continues the series of the quantitative measurements of the proteins encoded by different chromosomes in the blood plasma of a healthy person. Selected Reaction Monitoring with Stable Isotope-labeled peptide Standards (SRM SIS) and a gene-centric approach, which is the basis for the implementation of the international Chromosome-centric Human Proteome Project (C-HPP), were applied for the quantitative measurement of proteins in human blood plasma. Analyses were carried out in the frame of C-HPP for each protein-coding gene of the four human chromosomes: 18, 13, Y, and mitochondrial. Concentrations of proteins encoded by 667 genes were measured in 54 blood plasma samples of the volunteers, whose health conditions were consistent with requirements for astronauts. The gene list included 276, 329, 47, and 15 genes of chromosomes 18, 13, Y, and the mitochondrial chromosome, respectively. This paper does not make claims about the detection of missing proteins. Only 205 proteins (30.7%) were detected in the samples. Of them, 84, 106, 10, and 5 belonged to chromosomes 18, 13, and Y and the mitochondrial chromosome, respectively. Each detected protein was found in at least one of the samples analyzed. The SRM SIS raw data are available in the ProteomeXchange repository (PXD004374, PASS01192).
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