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Microfluidics in Assessing Platelet Function
06:47

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Published on: November 8, 2024

The effect of vanadium on platelet function.

Adriana González-Villalva1, Gabriela Piñón-Zárate, Aurora De la Peña Díaz

  • 1Departamento de Biología Celular y Tisular, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, CP 04510, Mexico City, Mexico. hemadgovi@yahoo.com.mx

Environmental Toxicology and Pharmacology
|October 19, 2011
PubMed
Summary
This summary is machine-generated.

Vanadium pentoxide inhalation temporarily inhibits platelet aggregation in mice and human platelets. Platelet function returned to normal after exposure cessation, indicating a reversible effect.

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Published on: March 19, 2016

Area of Science:

  • Toxicology
  • Hematology
  • Environmental Health

Background:

  • Vanadium pentoxide (V(2)O(5)) is an environmental pollutant with potential health impacts.
  • Platelet function is crucial for hemostasis and thrombosis.
  • Understanding the effects of inhaled toxicants on platelet activity is important for public health.

Purpose of the Study:

  • To investigate the effects of vanadium pentoxide inhalation on platelet function in mice.
  • To examine the in vitro effects of vanadium pentoxide on human platelet aggregation.
  • To assess changes in platelet activation markers like P-selectin and monocyte-platelet conjugates.

Main Methods:

  • Mice were exposed to vanadium pentoxide, and blood samples were analyzed.
  • Platelet-rich plasma (PRP) from mice and humans was subjected to aggregometry.
  • Flow cytometry was used to detect P-selectin and monocyte-platelet conjugates.

Main Results:

  • Inhalation of V(2)O(5) led to transient inhibition of platelet aggregation in mice after four weeks, with normalization by eight weeks.
  • In vitro assays confirmed the inhibitory effect of V(2)O(5) on platelet aggregation.
  • P-selectin levels remained stable during exposure but increased after cessation, suggesting a delayed response.

Conclusions:

  • Vanadium pentoxide exposure impacts platelet function, causing reversible aggregation inhibition.
  • The hemostatic system's response to vanadium requires further investigation.
  • These findings highlight the potential hematological risks associated with vanadium exposure.