A team of materials scientists and toxicologists announced the formation of a new international research alliance to establish protocols for reproducible toxicological testing of nanomaterials in both cultured cells and animals. The International Alliance for NanoEHS Harmonization (IANH) was unveiled today at Nanotox 2008, one of the world’s largest biennial nanotoxicological research meetings.

“When this team of scientists from Europe, the US, and Japan are able to get the same results for interactions of nanomaterials with biological organisms, then science and society can have higher confidence in the safety of these materials,” said Kenneth Dawson, of University College Dublin and current chair of the IANH team.

Nanotechnology provides the opportunity for enabling new products, but concerns over potential environmental, health, and safety impacts of these materials may limit their adoption. Multiple organizations including the Organization for Economic Co-operation and Development (OECD) and the International Nanotechnology Conference for Communication and Cooperation (INC) have highlighted the importance of international collaboration to accelerate understanding of nanotechnology implications for society. This alliance, IANH, was established by leading materials and toxicological researchers to address this need.

Previous studies have identified key gaps in scientific knowledge regarding the biological interactions with nanoparticles and subsequent toxicological responses. Progress in resolving these issues is limited by the lack of testing protocols that enable reproducible assessment of the biological interactions of nanoparticles with cells and animals, and the lack of correlations between interactions observed in cells and in animals. IANH is being formed to establish testing protocols that enable reproducible toxicological testing of nanomaterials at the cell and animal levels and to start developing correlations between these two systems.

IANH members have agreed to develop specific tools and testing protocols and to perform a set of round robin experiments to lay the foundation for reproducible testing of nanomaterial biological interactions and toxicology. The alliance will establish protocols that can be shared with other researchers and foster experiments to evaluate correlations between in vitro testing and toxicological interactions in mammals and aquatic animals. These reproducible nano-biological testing protocols should enable better assessment of potential biological interactions of nanomaterials and improve correlations between in vitro testing and outcomes in animals, humans, and the environment.

Release Date: September 9, 2008
source: International Alliance for NanoEHS Harmonization