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Microfluidics in Assessing Platelet Function06:47

Microfluidics in Assessing Platelet Function

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Platelet function under flow can be assessed and simulated hemostatic resuscitation can be modeled using a microfluidic device, which has applications in trauma and transfusion medicine.
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Structure and Function of Platelets01:18

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The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
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A protocol for a novel dynamic multiparameter platelet functional assay using a capacitive biosensor is presented here. This approach, designed within a semi-rigid microenvironment to enhance physiological relevance, provides three output parameters sensitive to platelet count, stimulation strengths, and activation...
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Microfluidics in Assessing Platelet Function
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Modulators of platelet function in aging.

Krishna S Iyer1, Sanjana Dayal1

  • 1Department of Internal Medicine, University of Iowa , Iowa city, USA.

Platelets
|September 17, 2019
PubMed
Summary
This summary is machine-generated.

Aging increases platelet activity, raising risks for stroke and heart attack. New anti-platelet drugs targeting aging mechanisms are needed to improve safety and efficacy in older adults.

Keywords:
Aginganti-plateletsplateletthrombosis

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Area of Science:

  • Hematology
  • Gerontology
  • Cardiovascular Medicine

Background:

  • Platelets are key cells linking hemostasis and inflammation.
  • Platelet function is altered in aging and inflammatory conditions.
  • Aging-associated comorbidities like obesity and diabetes exacerbate platelet hyperactivity.

Purpose of the Study:

  • To review current research on aging-related mechanisms of platelet hyperactivity.
  • To highlight the need for novel anti-platelet drug targets in the aging population.
  • To address the clinical urgency for safer anti-platelet therapies in elderly individuals.

Main Methods:

  • Literature review of current research areas.
  • Analysis of aging-related mechanisms of platelet hyperactivity.
  • Discussion of age-associated comorbidities' impact on platelet function.

Main Results:

  • Platelet hyperactivity increases with aging, raising thrombotic event risk (stroke, myocardial infarction).
  • Existing anti-platelet therapies pose increased bleeding risks in the elderly.
  • Comorbidities like obesity and diabetes further enhance platelet activity and thrombosis risk.

Conclusions:

  • Identification of unique platelet dysfunction mechanisms in aging is crucial.
  • Novel anti-platelet drugs targeting specific molecular pathways are needed for the aging population.
  • Developing safer and more effective anti-platelet strategies for elderly individuals is a clinical priority.