Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
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Structural characterization of a clinically described heparin-like substance in plasma causing bleeding, Y. Yu, K. Bruzdoski, V. Kostousov, L. Hensch, S. Hui, F. Siddiqui, A. Farooqui, A. Kouta, F. Zhang, J. Fareed, J. Teruya, R. J. Linhardt, Carbohydrate Polymers, 244, 116443, 2020.
Heparin-like substances (HLS) have been described in various clinical situations, including in settings of liver disease associated with infection, transplant, and metastasis. HLS are generally attributed to circulating glycosaminoglycans. Initial results for this patient showed coagulopathy due to liver disease without HLS. Two weeks after liver transplantation, a 10 year-old female with liver failure patient began to bleed from catheter insertion sites, mouth, and nares and HLS was suspected. The patient subsequently died and these clinical samples resulted in the isolation of a single heparan sulfate (HS) present at high concentrations in the plasma. Analysis of this HS showed it had an intermediate between heparin and HS with low antithrombin-mediated anticoagulant activity. We speculate that this 10-year old patient might have a platelet function defect influenced by this unusual HS. Endothelial defects not measurable by our methods might have also contributed to the observed bleeding complications.;
Carbohydrate Polymers, 244, 116443; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Carbohydrate Polymers; https://harc.rpi.edu/;