Abstract:
:Background and Purpose- The GLX (glycocalyx) is a protein/polysaccharide meshwork at the cellular surface. Consisting largely of glycosaminoglycans and proteoglycans, the GLX can shed in response to stress. In this study, we assay 11 components of the GLX in plasma from patients with ischemic stroke from a longitudinal cohort. Methods- Plasma samples from healthy individuals (N=8), and patients with ischemic stroke day ≥3, day 7, and day 90 (N=9-14) were immunoassayed for diverse components of the GLX. Results- Median stroke severity was mild (National Institutes of Health Stroke Scale 2.0 (range, 0-6) at day ≤3). Three (keratan-chondroitin-heparan-sulfate) of 4 glycosaminoglycans and CD44 (proteoglycan) were increased at day 7 and returned to baseline at day 90. Proteoglycan syndecan (Syn)-3 increased and Syn-2 levels decreased, significantly. Conclusions- Individual GLX components are often assayed as stand-alone biomarkers for endothelial health. This study suggests a full assessment of GLX components is more indicative of the endothelial health of an individual and represents a complex GLX signature that may be valuable as a composite biomarker of disease.
journal_name
Strokejournal_title
Strokeauthors
DellaValle B,Hasseldam H,Johansen FF,Iversen HK,Rungby J,Hempel Cdoi
10.1161/STROKEAHA.119.025953subject
Has Abstractpub_date
2019-10-01 00:00:00pages
2948-2951issue
10eissn
0039-2499issn
1524-4628journal_volume
50pub_type
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