Dataset Information

The Burn Wound Microenvironment.

ABSTRACT: Significance: While the survival rate of the severely burned patient has improved significantly, relatively little progress has been made in treatment or prevention of burn-induced long-term sequelae, such as contraction and fibrosis. Recent Advances: Our knowledge of the molecular pathways involved in burn wounds has increased dramatically, and technological advances now allow large-scale genomic studies, providing a global view of wound healing processes. Critical Issues: Translating findings from a large number of in vitro and preclinical animal studies into clinical practice represents a gap in our understanding, and the failures of a number of clinical trials suggest that targeting single pathways or cytokines may not be the best approach. Significant opportunities for improvement exist. Future Directions: Study of the underlying molecular influences of burn wound healing progression will undoubtedly continue as an active research focus. Increasing our knowledge of these processes will identify additional therapeutic targets, supporting informed clinical studies that translate into clinical relevance and practice.

SUBMITTER: Rose LF

PROVIDER: S-EPMC4779284 | biostudies-other | 2016 Mar

REPOSITORIES: biostudies-other

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The Burn Wound Microenvironment.

Rose Lloyd F LF Chan Rodney K RK

Advances in wound care 20160301 3

Significance: While the survival rate of the severely burned patient has improved significantly, relatively little progress has been made in treatment or prevention of burn-induced long-term sequelae, such as contraction and fibrosis. Recent Advances: Our knowledge of the molecular pathways involved in burn wounds has increased dramatically, and technological advances now allow large-scale genomic studies, providing a global view of wound healing processes. Critical Issues: ...[more]

PMID: 26989577

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Project description:Negative pressure wound therapy (NPWT) has been used to promote wound healing in a variety of settings, including as an adjunct to silver-impregnated dressings in the acute management of paediatric burns. Fluid aspirated by the NPWT system represents a potentially insightful research matrix for understanding the burn wound microenvironment and the biochemical mechanisms of action of NPWT. The aim of this study was to characterise the proteome of wound fluid collected using NPWT from children with small-area thermal burns. Samples were obtained as part of a randomised controlled trial investigating the clinical efficacy of adjunctive NPWT. They were compared with blister fluid specimens from paediatric burn patients matched according to demographic and injury characteristics. Protein identification and quantification were performed via liquid chromatography tandem mass spectrometry (LC-MS/MS) and sequential window acquisition of all theoretical mass spectra (SWATH) data-independent acquisition. Proteins and biological pathways which were unique or enriched in negative pressure fluid samples were evaluated using principal components, partial least squares-discriminant, and gene ontology enrichment analyses. Eight viable samples of NPWT fluid were collected and analysed with eight matched blister fluid samples. A total of 502 proteins were quantitatively profiled in the NPWT fluid, of which 444 (88.4%) were shared with blister fluid. Several proteins exhibited significant abundance differences between fluid types, with NPWT fluid showing a higher abundance of proteases matrix metalloprotease-9 and arginase-1, immune cell surface molecule low affinity immunoglobulin gamma Fc region receptor III-A, actin-binding protein filamin-A, plasma protein alpha-2-macroglobulin, and haemoglobin subunit alpha. The results lend support to the hypothesis that NPWT augments wound healing through the modulation of factors involved in the inflammatory response, granulation tissue synthesis, and extracellular matrix maintenance.

Dataset Information

The Burn Wound Microenvironment.

Publications

The Burn Wound Microenvironment.

Similar Datasets

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