Platelet function and antiplatelet therapy in cardiovascular disease: implications of genetic polymorphisms

Jayashree Shanker1, Armen Yuri Gasparyan, George D Kitas

  • 1Thrombosis Research Institute, Bommasandra Industrial Area, Anekal Taluk, Bangalore, India. jayashreeshanker@triindia.org.in

Insights

Genetic variations in platelet receptors influence antiplatelet drug effectiveness. Analyzing these genetic polymorphisms may help personalize antiplatelet therapy and prevent cardiovascular events.

Area of Science:

  • Pharmacogenomics
  • Cardiovascular Medicine
  • Hematology

Background:

  • Platelets are key in thrombosis and cardiovascular diseases.
  • Aspirin and clopidogrel are common antiplatelet drugs, but efficacy varies.
  • This variability, termed 'antiplatelet resistance,' necessitates understanding underlying mechanisms.

Purpose of the Study:

  • To investigate the role of genetic polymorphisms in platelet receptor genes.
  • To explore the association between genetic variants and antiplatelet therapy response.
  • To assess the potential for personalized antiplatelet treatment strategies.

Main Methods:

  • Review of prospective studies on antiplatelet efficacy.
  • Focus on genetic polymorphisms in platelet receptor genes (e.g., P2Y12, GP IIb/IIIa, CYP family).
  • Consideration of genetic haplotypes and platelet function quantification.

Main Results:

  • Specific genetic variants in platelet receptors are linked to variable responses to antiplatelet agents.
  • Genetic polymorphisms and haplotypes can predict antiplatelet drug response.
  • Combined genetic and platelet function testing may offer predictive value.

Conclusions:

  • Genetic profiling of platelet receptors can inform antiplatelet therapy.
  • Personalized antiplatelet treatment and thrombotic event prevention are potential benefits.
  • Further research on cost-effectiveness of genetic and platelet function testing is required.

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