Abstract:
BACKGROUND:In this study whether metabolic suppression can be used to preserve platelet (PLT) function during prolonged storage was investigated. STUDY DESIGN AND METHODS:Washed human PLTs were incubated without glucose and with antimycin A to block energy generation. Metabolic suppressed PLTs (MSPs) were stored for 72 hours at different temperatures to find the optimal storage temperature. Controls were incubated with 5 mmol per L glucose and stored at 22 and 4 degrees C. RESULTS:Following metabolic recovery with glucose, MSPs stored at 37, 22, and 4 degrees C showed an increase in basal P-selectin expression (PSE) reaching greater than 40 percent after about 2, 20, and 48 hours; a decrease in thrombin receptor-activating peptide SFLLRN (TRAP)-induced PSE inversely related to the increase in basal PSE; and a decrease in TRAP-induced aggregation reaching less than 30 percent after about 4, 24, and more than 72 hours. When compared with control suspensions, MSPs stored at 4 degrees C better preserved a low basal PSE and in addition showed a better adhesion to surface coated-von Willebrand factor and fibrinogen in a flow chamber. CONCLUSION:Metabolic suppression before storage at 4 degrees C contributes to better preservation of PLT function.
journal_name
Transfusionjournal_title
Transfusionauthors
Badlou BA,Ijseldijk MJ,Smid WM,Akkerman JWdoi
10.1111/j.1537-2995.2004.04022.xsubject
Has Abstractpub_date
2005-02-01 00:00:00pages
214-22issue
2eissn
0041-1132issn
1537-2995pii
TRF04022journal_volume
45pub_type
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