Platelet cryopreservation using a combination of epinephrine and dimethyl sulfoxide as cryoprotectants

Hongyan Xiao, Kevin Harvey, Carlos A. Labarrere, Richard Kovacs

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Current methods of platelet storage are unsatisfactory because of the short shelf life of platelets and the rapid loss of platelet viability. We have developed a cryopreservation method that results in less damage from freezing and higher recovered function of platelets. Platelets were cryopreserved using a combination of epinephrine (EPN) and dimethyl sulfoxide (Me2SO) as cryoprotectants. The response of platelets to agonists was studied by flow cytometry and aggregation tests. Cryopreserving platelets with Me2SO decreased platelet annexin V binding due to freezing. The combination of EPN with Me2SO enhanced Me2SO cryoprotection and decreased platelet microparticle generation, suggesting that cryopreserving platelets using this combination is associated with increased platelet integrity. Platelet cryopreservation with an Me2SO/EPN combination also increased platelet aggregability, which was demonstrated by decreasing the lag phase and increasing the aggregation density to 66.39% ± 6.6 that of fresh platelet-rich plasmas. We conclude that adding EPN as a combined cryoprotectant improves the quality of Me2SO-frozen platelets. As a method of aggregation of cryopreserved platelets, this method is comparable to that of normal fresh platelets and may improve the conditions for platelet transfusion. (C) 2000 Academic Press.

Original languageEnglish
Pages (from-to)97-105
Number of pages9
JournalCryobiology
Volume41
Issue number2
DOIs
StatePublished - 2000

Fingerprint

Cryopreservation
cryoprotectants
epinephrine
dimethyl sulfoxide
Platelets
Dimethyl Sulfoxide
cryopreservation
Epinephrine
Blood Platelets
freezing
platelet aggregation
methodology
agonists
flow cytometry
shelf life
viability
Agglomeration
Freezing
testing
Platelet Transfusion

Keywords

  • Annexin V
  • Cryopreservation
  • Platelet
  • Platelet activation
  • Platelet aggregation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Platelet cryopreservation using a combination of epinephrine and dimethyl sulfoxide as cryoprotectants. / Xiao, Hongyan; Harvey, Kevin; Labarrere, Carlos A.; Kovacs, Richard.

In: Cryobiology, Vol. 41, No. 2, 2000, p. 97-105.

Research output: Contribution to journalArticle

Xiao, Hongyan ; Harvey, Kevin ; Labarrere, Carlos A. ; Kovacs, Richard. / Platelet cryopreservation using a combination of epinephrine and dimethyl sulfoxide as cryoprotectants. In: Cryobiology. 2000 ; Vol. 41, No. 2. pp. 97-105.
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