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- W3129124710 abstract "Wound infection is a common and serious medical condition with an unmet need for improved diagnostic tools. A peptidomic approach, aided by mass spectrometry and bioinformatics, could provide novel means of identifying new peptide biomarkers for wound healing and infection assessment. Wound fluid is suitable for peptidomic analysis since it is both intimately tied to the wound environment and is readily available. In this study we investigate the peptidomes of wound fluids derived from surgical drainages following mastectomy and from wound dressings following facial skin grafting. By applying sorting algorithms and open source third party software to peptidomic label free tandem mass spectrometry data we provide an unbiased general methodology for analyzing and differentiating between peptidomes. We show that the wound fluid peptidomes of patients are highly individualized. However, differences emerge when grouping the patients depending on wound type. Furthermore, the abundance of peptides originating from documented antimicrobial regions of hemoglobin in infected wounds may contribute to an antimicrobial wound environment, as determined by in silico analysis. We validate our findings by compiling literature on peptide biomarkers and peptides of physiological significance and cross checking the results against our dataset, demonstrating that well-documented peptides of immunological significance are abundant in infected wounds, and originate from certain distinct regions in proteins such as hemoglobin and fibrinogen. Ultimately, we have demonstrated the power using sorting algorithms and open source software to help yield insights and visualize peptidomic data." @default.
- W3129124710 created "2021-02-15" @default.
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- W3129124710 date "2021-02-03" @default.
- W3129124710 modified "2023-09-30" @default.
- W3129124710 title "Bioinformatic Analysis of the Wound Peptidome Reveals Potential Biomarkers and Antimicrobial Peptides" @default.
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- W3129124710 doi "https://doi.org/10.3389/fimmu.2020.620707" @default.
- W3129124710 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7888259" @default.
- W3129124710 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33613550" @default.
- W3129124710 hasPublicationYear "2021" @default.
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