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http://purl.uniprot.org/citations/37695226http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/37695226http://www.w3.org/2000/01/rdf-schema#comment"

Background

One of the common adverse reactions in patients with pressure ulcers (PU) is sepsis, which is mainly related to microbial infections caused by pathogenic organisms. The activation of nuclear factor kappa-B (NF-κB) frequently occurs in conjunction with pathogenic microbial infections. Proline-serine-threonine-phosphatase-interacting protein 2 (PSTPIP2) is closely related to inflammatory disorders. The role and mechanism of PSTPIP2 in sepsis because of pressure ulcers is unclear. In this study, we discovered that PSTPIP2 was lowly expressed in peripheral blood of patients with sepsis induced by pressure ulcers.

Methods

Peripheral blood was collected from 20 patients with sepsis due to pressure ulcers and 10 healthy controls, and the expression of PSTPIP2 in peripheral blood was discovered by polymerase chain reaction and Western blot analysis. Information on the clinical characteristics of patients was summarized, and the expression data of PSTPIP2 were correlated with the patients' acute physiology and chronic health evaluation (APACHE) II score, sequential organ failure assessment (SOFA) score, and C-reactive protein (CRP) and procalcitonin (PCT) scores by Spearman's correlation analysis. One of the main mediators of Gram-negative sepsis is lipopolysaccharide (LPS). In order to establish an in vitro sepsis model, THP-1 cells were treated with LPS, and the cells were transfected with PSTPIP2. Contents of interleukin 6 (IL-6), interleukin 1β (IL-1β), and tumor necrosis factor-α (TNF-α) in each group of cells were detected by enzyme-linked--immunosorbent serologic assay, and NF-κB-related proteins were detected by Western blot analysis.

Results

When compared to healthy controls, the peripheral blood of patients with pressure sepsis had lower PSTPIP2 expression, which had a negative correlation with the APACHE II, SOFA, CRP, and PCT scores. LPS-induced THP-1 cells expressed less PSTPIP2 than the untreated control cells, and PSTPIP2 transfection decreased IL-6, IL-1β, and TNF-α levels and inhibited the activation of NF-κB pathway.

Conclusion

PSTPIP2 is associated with disease severity in patients with pressure ulcer sepsis and has anti-inflammatory effects."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.org/dc/terms/identifier"doi:10.15586/aei.v51i5.939"xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/author"Guo L."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/author"Luo J."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/author"Wang Y."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/author"Zhu X."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/author"Wang L."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/author"Wang X."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/date"2023"xsd:gYear
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/name"Allergol Immunopathol (Madr)"xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/pages"23-28"xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/title"PSTPIP2 is associated with disease severity in patients with pressure ulcer sepsis and has anti-inflammatory effects."xsd:string
http://purl.uniprot.org/citations/37695226http://purl.uniprot.org/core/volume"51"xsd:string
http://purl.uniprot.org/citations/37695226http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/37695226
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