Related Experiment Videos

Does smoking affect thrombocytopoiesis and platelet activation in women and men?

A M Butkiewicz1, I Kemona-Chetnik, V Dymicka-Piekarska

  • 1Department of Clinical Laboratory Diagnostics, Medical University of Białystok ul. Waszyngtona 15A, 15-274 Białystok, Poland. annabutkiewicz@wp.pl

Advances in Medical Sciences
|March 16, 2007
PubMed

Insights

Women smokers exhibit heightened platelet activation compared to non-smokers, suggesting greater sensitivity to smoking. Male smokers showed no significant platelet parameter changes, indicating lower sensitivity.

Area of Science:

  • Cardiovascular Research
  • Hematology
  • Toxicology

Background:

  • Smoking is a major risk factor for cardiac ischemia.
  • Smoking-induced changes in platelet count, morphology, and activation increase cardiovascular risk.

Purpose of the Study:

  • To investigate sex-specific differences in platelet parameters among healthy smokers.
  • To assess the impact of smoking on platelet count, mean platelet volume, platelet activation markers, and reticulated platelets in relation to sex.

Main Methods:

  • Study included healthy male and female subjects, with 49% of men and 27% of women being smokers.
  • Platelet parameters analyzed included platelet count (PLT), mean platelet volume (MPV), percentage of large platelets (L(PLT)), beta-thromboglobulin, soluble P-selectin (sP-selectin), thrombopoietin, percentage of reticulated platelets (RP), and absolute reticulated platelet count.

Main Results:

  • Smoking women showed significantly lower platelet counts, higher percentages of reticulated platelets, and elevated sP-selectin concentrations compared to non-smoking women.
  • No significant differences in platelet parameters were observed in male smokers compared to non-smokers.
  • Parameters unaffected by smoking in either sex included MPV, L(PLT), thrombopoietin, absolute RP count, and beta-thromboglobulin.

Conclusions:

  • Women appear to be more susceptible to the pro-thrombotic effects of smoking than men.
  • The observed platelet changes in women suggest enhanced platelet activation and a potentially higher risk of cardiovascular events.
  • Platelets in male smokers demonstrated resilience to smoking-induced alterations in the studied parameters.
Abstract

Related Concept Videos

Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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...
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu01:29

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...