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Microfluidics in Assessing Platelet Function
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Effect of substituted stilbenes on platelet function.

Federica Messina1, Giuseppe Guglielmini2, Massimo Curini1

  • 1Department of Pharmaceutical Sciences, Section of Public Health, University of Perugia, via del, Liceo, 1, 06123 Perugia, Italy.

Fitoterapia
|July 22, 2015
PubMed
Summary
This summary is machine-generated.

This study shows that more lipophilic (fat-soluble) stilbene derivatives, like pterostilbene, offer enhanced protection for the cardiovascular system by improving biological activities such as reducing platelet aggregation and boosting nitric oxide (NO) synthesis.

Keywords:
Dimethylallyloxy-stilbenePlatelet NOx productionPlatelet ROS productionPlatelet aggregationResveratrol

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Area of Science:

  • Cardiovascular Science
  • Pharmacology
  • Natural Product Chemistry

Background:

  • Stilbenes, including resveratrol, are polyphenols known for cardiovascular protective effects.
  • Resveratrol derivatives like pterostilbene exhibit improved bioavailability.
  • Enhanced lipophilicity may correlate with increased biological activity.

Purpose of the Study:

  • To synthesize novel stilbene derivatives: dimethylallyloxy-stilbene and dimethylallyloxy-pterostilbene.
  • To compare the biological activities of these novel derivatives with resveratrol, p-hydroxy-stilbene, and pterostilbene.
  • To investigate the impact of lipophilicity on stilbene activity in platelets.

Main Methods:

  • Synthesis of substituted stilbenes.
  • Assessment of platelet aggregation inhibition.
  • Measurement of platelet radical oxygen species (ROS) production.
  • Quantification of platelet nitric oxide (NO) synthesis.

Main Results:

  • Synthesized dimethylallyloxy-stilbene and dimethylallyloxy-pterostilbene.
  • Observed enhanced biological activities with increased lipophilicity of stilbene derivatives.
  • Demonstrated a positive correlation between lipophilicity and inhibition of platelet aggregation, ROS production, and NO synthesis.

Conclusions:

  • Increased lipophilicity of stilbene derivatives significantly enhances their cardiovascular protective activities.
  • Novel stilbene derivatives show promising potential for cardiovascular health.
  • Lipophilicity is a key factor in optimizing the efficacy of stilbene-based therapeutics.