Can hypertonic saline influence platelet P selectin expression and platelet-leukocyte aggregation?

Go Shine Huang, Mei Hua Hu, Chian Her Lee, Chien Sung Tsai, Tso Chou Lin, Chi Yuan Li

Research output: Contribution to journalArticle

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Abstract

Objectives: Part of platelet function involves aggregation and activation. Activation leads to platelet P selectin expression and platelet-leukocyte aggregation. Hypertonic saline inhibits platelet aggregation, although the effects of hypertonic saline on platelet activation are not known. We evaluated the effects of hypertonic saline on platelet activation as measured by platelet P selectin expression and platelet-leukocyte aggregation. Methods: Blood samples from healthy volunteers (n = 6) were treated in vitro with various solutions including 23.5%, 7.5%, 3%, and 0.9% saline; Ringer's solution; 5% dextrose in water; and 10% hydroxyethyl starch. Blood was diluted with each type of solution to 2.5%, 5%, 10%, 20%, and 30% (vol/vol) dilution. All blood samples were activated with adenosine diphosphate (20 μmol/L), stained with fluorochrome-conjugated antibodies, and analyzed by flow cytometry to measure platelet P selectin expression and platelet-leukocyte aggregation. Results: The 23.5% saline solution reduced P selectin expression at 20% and 30% dilutions and platelet-leukocyte aggregation at 10%, 20%, and 30% dilutions. The 7.5% solution saline had no effect on P selectin expression and significantly inhibited platelet-leukocyte aggregation only at 30% dilution. Other solutions had no effect on platelet P selectin expression or platelet-leukocyte aggregation. Conclusions: Our data suggest that hypertonic saline does not affect platelet P selectin expression or platelet-leukocyte aggregation at therapeutic plasma concentrations but that an inhibitory effect occurs at supratherapeutic doses. Dilutions of other solutions caused the least disturbance of platelet activation.

Original languageEnglish
Pages (from-to)37-43
Number of pages7
JournalAmerican Journal of Emergency Medicine
Volume28
Issue number1
DOIs
Publication statusPublished - Jan 2010

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P-Selectin
Platelet Aggregation
Leukocytes
Blood Platelets
Platelet Activation
Sodium Chloride
Fluorescent Dyes
Starch
Adenosine Diphosphate
Healthy Volunteers
Flow Cytometry
Glucose
Water
Antibodies

ASJC Scopus subject areas

  • Emergency Medicine

Cite this

Can hypertonic saline influence platelet P selectin expression and platelet-leukocyte aggregation? / Huang, Go Shine; Hu, Mei Hua; Lee, Chian Her; Tsai, Chien Sung; Lin, Tso Chou; Li, Chi Yuan.

In: American Journal of Emergency Medicine, Vol. 28, No. 1, 01.2010, p. 37-43.

Research output: Contribution to journalArticle

Huang, Go Shine ; Hu, Mei Hua ; Lee, Chian Her ; Tsai, Chien Sung ; Lin, Tso Chou ; Li, Chi Yuan. / Can hypertonic saline influence platelet P selectin expression and platelet-leukocyte aggregation?. In: American Journal of Emergency Medicine. 2010 ; Vol. 28, No. 1. pp. 37-43.
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title = "Can hypertonic saline influence platelet P selectin expression and platelet-leukocyte aggregation?",
abstract = "Objectives: Part of platelet function involves aggregation and activation. Activation leads to platelet P selectin expression and platelet-leukocyte aggregation. Hypertonic saline inhibits platelet aggregation, although the effects of hypertonic saline on platelet activation are not known. We evaluated the effects of hypertonic saline on platelet activation as measured by platelet P selectin expression and platelet-leukocyte aggregation. Methods: Blood samples from healthy volunteers (n = 6) were treated in vitro with various solutions including 23.5{\%}, 7.5{\%}, 3{\%}, and 0.9{\%} saline; Ringer's solution; 5{\%} dextrose in water; and 10{\%} hydroxyethyl starch. Blood was diluted with each type of solution to 2.5{\%}, 5{\%}, 10{\%}, 20{\%}, and 30{\%} (vol/vol) dilution. All blood samples were activated with adenosine diphosphate (20 μmol/L), stained with fluorochrome-conjugated antibodies, and analyzed by flow cytometry to measure platelet P selectin expression and platelet-leukocyte aggregation. Results: The 23.5{\%} saline solution reduced P selectin expression at 20{\%} and 30{\%} dilutions and platelet-leukocyte aggregation at 10{\%}, 20{\%}, and 30{\%} dilutions. The 7.5{\%} solution saline had no effect on P selectin expression and significantly inhibited platelet-leukocyte aggregation only at 30{\%} dilution. Other solutions had no effect on platelet P selectin expression or platelet-leukocyte aggregation. Conclusions: Our data suggest that hypertonic saline does not affect platelet P selectin expression or platelet-leukocyte aggregation at therapeutic plasma concentrations but that an inhibitory effect occurs at supratherapeutic doses. Dilutions of other solutions caused the least disturbance of platelet activation.",
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AU - Lin, Tso Chou

AU - Li, Chi Yuan

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N2 - Objectives: Part of platelet function involves aggregation and activation. Activation leads to platelet P selectin expression and platelet-leukocyte aggregation. Hypertonic saline inhibits platelet aggregation, although the effects of hypertonic saline on platelet activation are not known. We evaluated the effects of hypertonic saline on platelet activation as measured by platelet P selectin expression and platelet-leukocyte aggregation. Methods: Blood samples from healthy volunteers (n = 6) were treated in vitro with various solutions including 23.5%, 7.5%, 3%, and 0.9% saline; Ringer's solution; 5% dextrose in water; and 10% hydroxyethyl starch. Blood was diluted with each type of solution to 2.5%, 5%, 10%, 20%, and 30% (vol/vol) dilution. All blood samples were activated with adenosine diphosphate (20 μmol/L), stained with fluorochrome-conjugated antibodies, and analyzed by flow cytometry to measure platelet P selectin expression and platelet-leukocyte aggregation. Results: The 23.5% saline solution reduced P selectin expression at 20% and 30% dilutions and platelet-leukocyte aggregation at 10%, 20%, and 30% dilutions. The 7.5% solution saline had no effect on P selectin expression and significantly inhibited platelet-leukocyte aggregation only at 30% dilution. Other solutions had no effect on platelet P selectin expression or platelet-leukocyte aggregation. Conclusions: Our data suggest that hypertonic saline does not affect platelet P selectin expression or platelet-leukocyte aggregation at therapeutic plasma concentrations but that an inhibitory effect occurs at supratherapeutic doses. Dilutions of other solutions caused the least disturbance of platelet activation.

AB - Objectives: Part of platelet function involves aggregation and activation. Activation leads to platelet P selectin expression and platelet-leukocyte aggregation. Hypertonic saline inhibits platelet aggregation, although the effects of hypertonic saline on platelet activation are not known. We evaluated the effects of hypertonic saline on platelet activation as measured by platelet P selectin expression and platelet-leukocyte aggregation. Methods: Blood samples from healthy volunteers (n = 6) were treated in vitro with various solutions including 23.5%, 7.5%, 3%, and 0.9% saline; Ringer's solution; 5% dextrose in water; and 10% hydroxyethyl starch. Blood was diluted with each type of solution to 2.5%, 5%, 10%, 20%, and 30% (vol/vol) dilution. All blood samples were activated with adenosine diphosphate (20 μmol/L), stained with fluorochrome-conjugated antibodies, and analyzed by flow cytometry to measure platelet P selectin expression and platelet-leukocyte aggregation. Results: The 23.5% saline solution reduced P selectin expression at 20% and 30% dilutions and platelet-leukocyte aggregation at 10%, 20%, and 30% dilutions. The 7.5% solution saline had no effect on P selectin expression and significantly inhibited platelet-leukocyte aggregation only at 30% dilution. Other solutions had no effect on platelet P selectin expression or platelet-leukocyte aggregation. Conclusions: Our data suggest that hypertonic saline does not affect platelet P selectin expression or platelet-leukocyte aggregation at therapeutic plasma concentrations but that an inhibitory effect occurs at supratherapeutic doses. Dilutions of other solutions caused the least disturbance of platelet activation.

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