Gold nanoparticles: recent aspects for human toxicology.

Area of Science:

• Biomedical research
• Nanotechnology
• Toxicology

Background:

• Gold nanoparticles (AuNPs) are increasingly utilized in medicine due to their unique physicochemical properties.
• Despite their widespread application, comprehensive toxicological data, particularly in vivo, remains limited.
• Understanding potential adverse effects like immune responses, apoptosis, and developmental inhibition is crucial.

Purpose of the Study:

• To systematically review existing toxicological data on gold nanoparticles (AuNPs).
• To identify knowledge gaps regarding in vivo toxicity.
• To highlight the need for research on factors influencing AuNP toxicity.

Main Methods:

• Systematic literature review of toxicological data.
• Focus on experimentally acquired in vivo toxicity data.
• Search conducted within the PubMed database.

Main Results:

• The available data on gold nanoparticle (AuNP) in vivo toxicity is significantly limited.
• There is a lack of detailed information on how factors like size, charge, and surface chemistry affect toxicity.
• Current knowledge is insufficient to fully predict the human hazard potential of AuNPs.

Conclusions:

• Further in vivo studies are essential to establish the safety profile of gold nanoparticles (AuNPs).
• Research must specifically address the impact of nanoparticle characteristics (size, charge, surface chemistry) on toxicity.
• Comprehensive toxicological assessment is necessary for the safe clinical translation of AuNPs.