Dual-agonist Optical Stimulation of Platelets Results in Increased and Reliable Activation

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Abstract

Activation of blood platelets is the main process in normal hemostasis. Unfortunately, it also makes a great contribution to the development of cardiovascular diseases. In this work, we study activation dynamics using cytosolic calcium probe. To increase the accuracy of dynamic measurements, we present a method for optical activation of single platelets in suspension. It is achieved by the use of photolabile "caged"activation agonists. In our earlier works, the use of such compounds resulted in precise measurement of early activation dynamics. However, relatively large irradiation dose was needed to achieve the activation of significant fraction of cells. Here we show that dual-agonist stimulation dramatically increases the activation probability, resulting in increased and reliable activation with 10-to-50-times less irradiation dose as compared to our previous report.

Original languageEnglish
Title of host publicationProceedings - 2020 Cognitive Sciences, Genomics and Bioinformatics, CSGB 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages106-109
Number of pages4
ISBN (Electronic)9781728195971
DOIs
Publication statusPublished - Jul 2020
Event2020 Cognitive Sciences, Genomics and Bioinformatics, CSGB 2020 - Novosibirsk, Russian Federation
Duration: 6 Jul 202010 Jul 2020

Publication series

NameProceedings - 2020 Cognitive Sciences, Genomics and Bioinformatics, CSGB 2020

Conference

Conference2020 Cognitive Sciences, Genomics and Bioinformatics, CSGB 2020
CountryRussian Federation
CityNovosibirsk
Period06.07.202010.07.2020

Keywords

  • caged ADP
  • caged epinephrine
  • cytosolic calcium
  • Platelet activation

OECD FOS+WOS

  • 1.02 COMPUTER AND INFORMATION SCIENCES
  • 1.06 BIOLOGICAL SCIENCES
  • 3.01 BASIC MEDICAL RESEARCH
  • 3.03 HEALTH SCIENCES
  • 5.09 OTHER SOCIAL SCIENCES

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