Platelet function and lipid-lowering interventions

H J Milionis1, M S Elisaf, D P Mikhailidis

  • 1Department of Molecular Pathology and Clinical Biochemistry, Royal Free and University College Medical School, University College, Royal Free Campus (University of London), London, UK.

Platelets
|June 28, 2006
PubMed

Insights

Atherogenic lipoproteins increase platelet activity, a key factor in atherothrombosis. Lipid-lowering therapies, like statins, normalize platelet function, improving their anti-atherogenic and anti-thrombotic effects.

Area of Science:

  • Cardiovascular Science
  • Hematology
  • Pharmacology

Background:

  • Platelets are crucial in atherothrombosis.
  • Antiplatelet therapy effectively prevents vascular events in high-risk individuals.

Purpose of the Study:

  • To review the impact of atherogenic lipoproteins on platelet activity.
  • To evaluate how lipid-lowering interventions affect platelet function.

Main Methods:

  • Literature review of studies on lipoproteins and platelet activity.
  • Analysis of evidence linking lipid-lowering treatments to platelet normalization.

Main Results:

  • Circulating atherogenic lipoproteins are shown to enhance platelet activity.
  • Lipid-lowering interventions, including statins, are associated with normalized platelet activity.

Conclusions:

  • Lipid-lowering therapies possess beneficial effects beyond lipid reduction.
  • Normalizing platelet activity contributes to the anti-atherogenic and anti-thrombotic potential of these interventions.

Related Concept Videos

Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
Formation of the Platelet Plug01:22

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
Structure and Function of Platelets01:18

Structure and Function of Platelets

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.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000 platelets, with...