Research progress of nanoparticle toxicity signaling pathway

Area of Science:

• Nanoscience and Nanotechnology
• Toxicology
• Molecular Biology

Background:

• Rapid advancements in nanoscience have led to widespread industrial applications.
• Understanding nanoparticle toxicity mechanisms remains a critical research gap.
• Oxidative stress and inflammation are established contributors to nanoparticle toxicity.

Purpose of the Study:

• To review nanoparticle characterizations and properties.
• To summarize cell signaling pathways involved in nanoparticle-induced inflammation and oxidative stress.
• To provide insights into the potential mechanisms of nanoparticle toxicity.

Main Methods:

• Literature review of nanoscience, toxicology, and molecular biology research.
• Analysis of studies focusing on nanoparticle properties and toxicity.
• Synthesis of information on cell signaling pathways (JAK-STAT, NF-κB, Nrf2/ARE, PI3K/Akt) and their relation to nanoparticle exposure.

Main Results:

• Nanoparticles exhibit diverse properties influencing their biological interactions.
• Cell signaling pathways are increasingly recognized as crucial in mediating nanoparticle toxicity.
• Specific pathways like JAK-STAT, NF-κB, Nrf2/ARE, and PI3K/Akt are significantly implicated.

Conclusions:

• Cell signaling pathways offer a deeper understanding of nanoparticle toxicity beyond oxidative stress and inflammation.
• Further research into these pathways is essential for developing safety guidelines for nanomaterials.
• This review consolidates current knowledge, highlighting key pathways for future investigation.