ArticleAnnals of transplantation2017
Profiling Proteinic Changes Induced by Vildagliptin Treatment in a Mouse Lung Transplantation Model: The Role of Kininogen-1.
Article in Annals of transplantation, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- Protective effect of dipeptidyl peptidase-4 inhibitors in testicular torsion/detorsion in rats: a possible role of HIF-1α and nitric oxide.Naunyn-Schmiedeberg's archives of pharmacology · 2020Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND This study investigated the protective effects of pharmaceutical CD26/dipeptidylpeptidase-4 (CD26/DPP-4) inhibitor in lung transplantation (LTx). Changes in protein expression associated with the treatment were screened and identified to evaluate the role of kininogen-1 in early-term ischemia/reperfusion (I/R) injury after LTx. MATERIAL AND METHODS Orthotopic single LTx was performed in syngeneic C57BL/6 mice, with a pharmaceutical CD26/DPP-4 inhibitor (vildagliptin, subcutaneous injection, 10 mg/kg, every 12 h) administered to the investigational group. All donors were perfused and preserved with low potassium dextran (LPD). Grafts were harvested at 60 h post-transplantation after 8 h of cold ischemia. Myeloperoxidase activity and wet/dry weight ratio were measured, followed by histopathological examination. Proteins were separated, analyzed, and identified using proteomics and database searches. The target proteins were validated by Western blot. Immunohistochemical studies were performed in the same lung specimen locus. RESULTS Investigational group (IN) versus control group (CON) comparison showed decreased myeloperoxidase enzymatic activity, as well as decreased edema and interstitial-alveolar inflammation. Proteomics results revealed 78 spots with significant differences in abundance between the 2 groups. Fifteen proteins were identified. Kininogen-1 was up-regulated in CON and down-regulated in IN, with contrasting results for the heat shock protein 70. Immunohistochemical results revealed significantly different staining with kininogen-1 in alveolar macrophages and inflammatory cells. CONCLUSIONS Combined vildagliptin and LPD significantly ameliorated I/R injury after LTx. This treatment may change local pulmonary protein levels. Moreover, proper application of proteins such as kininogen-1 may enhance the protective effects against I/R injury during transplantation.
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