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  • Title: Heparin cryoprecipitation reduces plasma levels of non-traditional risk factors for atherosclerosis in vitro.
    Author: Meilin E, Sela S, Kristal B.
    Journal: Blood Purif; 2008; 26(3):238-48. PubMed ID: 18319597.
    Abstract:
    AIMS: To show that heparin cryoprecipitation (HCP), an in vitro method of plasma purification, reduces the levels of in vivo modified proteins and non-traditional risk factors from plasma of atherosclerotic hemodialysis (HD) patients. METHODS: HCP was applied to plasma obtained from HD patients and controls, forming a precipitate--cryogel. Levels of fibrinogen, albumin, CRP, TNF-alpha, IL-6, advanced oxidation protein products, carbonylated fibrinogen and carbonylated albumin were determined in plasma before and after applying HCP and in the cryogel. RESULTS: Treatment of HD plasma with HCP, beyond the significant reduction of the increased levels of all the above-mentioned molecules, reduced fibrinogen, TNF-alpha, carbonylated fibrinogen and carbonylated albumin to control levels which were simultaneously found in the cryogel. CONCLUSIONS: HCP applied to plasma enables the simultaneous precipitation of modified molecules and circulating non-traditional risk factors for atherosclerosis. This study may serve as a base for the future development of a clinical purification technique.
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