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Updated: Jun 15, 2026
11:17
Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood
Published on: October 12, 2012
Age-specific differences in binding of heparin to plasma proteins
V Ignjatovic1, E Straka, R Summerhayes
1Murdoch Childrens Research Institute, The University of Melbourne, Royal Childrens Hospital, Parkville, Victoria, Australia. verai@unimelb.edu.au
Journal of Thrombosis and Haemostasis : JTH
|March 12, 2010
Summary
Age-related differences in heparin
Area of Science:
- Biochemistry
- Pharmacology
- Pediatrics
Background:
- Established age-related variations in heparin's anticoagulation effect.
- Hypothesized cause: age-specific differences in heparin-plasma protein binding.
Purpose of the Study:
- Investigate age-related differences in heparin binding to plasma proteins.
- Explore potential mechanisms behind observed clinical variations.
Main Methods:
- Utilized heparin-coated magnetic beads for protein isolation.
- Incubated beads with plasma from neonates, children, and adults.
- Purified and analyzed bound proteins to identify age-specific patterns.
Main Results:
- Preliminary evidence of age-related differences in total heparin-bound proteins.
- First indication of age-specific heparin binding to antithrombin and thrombin.
- Suggests variations in protein quantity and concentration bound to heparin.
Conclusions:
- Supports existing understanding of age-related heparin efficacy variations.
- Provides mechanistic insights into heparin's differential effects across age groups.
- Highlights the role of age-specific protein interactions in heparin response.
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