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Nature chemical biology

Homogeneous low-molecular-weight heparins with reversible anticoagulant activity.


PMID 24561662

Abstract

Low-molecular-weight heparins (LMWHs) are carbohydrate-based anticoagulants clinically used to treat thrombotic disorders, but impurities, structural heterogeneity or functional irreversibility can limit treatment options. We report a series of synthetic LMWHs prepared by cost-effective chemoenzymatic methods. The high activity of one defined synthetic LMWH against human factor Xa (FXa) was reversible in vitro and in vivo using protamine, demonstrating that synthetically accessible constructs can have a critical role in the next generation of LMWHs.

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F9302
Factor X Activated (Xa) from bovine plasma, aqueous glycerol solution