| Presence of glucose in dialyzing fluid and synthesis of selected lipoxygenase-derived eicosanoids during hemodialysis. | |
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MedLine Citation:
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PMID: 22127406 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: Active metabolites of arachidonic acid (AA), eicosanoids, are exerting a significant influence on renal homeostasis. In our recent paper, we demonstrated that high levels of lipoxygenase (LOX)-derived AA metabolites, hydroxyeicosatetraenoic acids (HETEs), unfavorably influence post-transplant function of kidney allografts. Hence, in this study, we wanted (1) to analyze 5-, 12- and 15-HETE levels in non-diabetic chronic kidney disease (CKD) patients, already undergoing regular hemodialysis treatment, and determine factors that may influence these eicosanoids' generation, as well as, (2) to verify whether application of glucose-containing, instead of glucose-free, dialyzing fluids may be beneficial for the limitation of 5-, 12- and 15-HETE synthesis during a single hemodialysis session. METHODS: Twenty-four healthy individuals and 50 CKD patients undergoing regular hemodialysis treatment were included in the study. CKD patients were divided into two subgroups depending on presence/absence of glucose in dialyzing fluid. LOX-derived HETEs were measured using liquid chromatography. RESULTS: Results demonstrated higher levels of examined eicosanoids in CKD patients (P < 0.05 for all). Older age and higher C-reactive protein levels were associated with HETEs concentrations. Presence of glucose in dialyzing fluid significantly diminished the increase in 5- and 12-HETE synthesis (411.24% vs. 107.29%, P < 0.006; 301.70% vs. 98.21%, P < 0.0008, respectively), however, it did not influence 15-HETE generation (156.98% vs. 135.24%, P = 0.26). CONCLUSIONS: Non-diabetic CKD patients have higher levels of LOX-derived HETEs, which are associated mainly with age and intensified inflammatory process. The presence of glucose in the dialysate is associated with a reduced synthesis of selected LOX-derived HETEs in these patients; hence, we speculate that the application of such a simple hemodialysis fluid modification may have a favorable influence on post-transplant outcomes. |
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Authors:
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Barbara Dołęgowska; Wojciech Błogowski; Joanna Stępniewska; Krzysztof Safranow; Katarzyna Jakubowska; Maria Olszewska |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-30 |
Journal Detail:
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Title: International urology and nephrology Volume: - ISSN: 1573-2584 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0262521 Medline TA: Int Urol Nephrol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Laboratory Diagnostics and Molecular Medicine, Pomeranian Medical University, Al. Powstancow Wlkp. 72, 70-111, Szczecin, Poland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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