Polyvinylalcohol-carbazate (PVAC) reduces red blood cell hemolysis
Autoři:
Felix Sellberg aff001; Fanny Fredriksson aff002; Thomas Engstrand aff003; Tim Melander Bowden aff004; Bo Nilsson aff001; Jaan Hong aff001; Folke Knutson aff001; David Berglund aff001
Působiště autorů:
Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
aff001; Department of Women’s and Children’s Health, Section of Pediatric Surgery, Uppsala University, Uppsala, Sweden
aff002; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
aff003; Department of Chemistry—Ångström Laboratory, Uppsala University, Uppsala, Sweden
aff004
Vyšlo v časopise:
PLoS ONE 14(12)
Kategorie:
Research Article
doi:
https://doi.org/10.1371/journal.pone.0225777
Souhrn
Background and objectives
The objective of this study was to investigate whether a soluble polymer and aldehyde-scavenger, polyvinylalcohol-carbazate (PVAC), can inhibit hemolysis in the storage of red blood cells (RBC).
Study design and methods
The effect of PVAC was assessed over a wide range of concentrations, using absorption spectroscopy to evaluate the level of hemolysis. Moreover, osmotic stability and aldehyde-scavenging potential of RBC were assessed after storage in PVAC.
Results
After test tube storage for two weeks, red blood cell hemolysis was lower with PVAC compared to controls (mean difference 23%, 95% CI 16–29%, p < 0.001). A higher level of hemolysis led to a pronounced effect with PVAC. RBC stored in PVAC improved both the binding of free aldehydes (p <0.001) and the osmotic stability (p = 0.0036).
Conclusion
Erythrocytes stored with PVAC showed less hemolysis, which might be explained by the ability of PVACs to stabilize the cell membrane and decrease oxidative injury.
Klíčová slova:
Acetaldehyde – Aldehydes – Blood – Hemoglobin – Immunoprecipitation – Red blood cells – Specimen storage – Hypotonic solutions
Zdroje
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PLOS One
2019 Číslo 12
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