This book is based on reviews and research presentations given at the
16th Rochester International Conference on Environmental Toxicity,
entitled liThe Cytoskeleton: A Target for Toxic Agents," held on June 4,
5 and 6 in 1984. The conference provided an in-depth discussion of the
effects a d mechanism of action of some toxic agents on the
cytoskeleton. Mamma"lian and other eukaryotic cells contain protein
networks within the cytoplasm comprised of microfilaments, intermediate
Hlaments and microtubules. These components of the cytoskeleton playa
key role in cell shape, motility, intracellular organization and
transport, and cell division. Furthermore, the cytoskeleton, via
associations with the cell membrane, appears to function in
intracellular communication and cellular responses to membrane events.
Because of the complex functional roles of the cytoskeleton which vary
with cell type, degree of differentiation, and cell cycle, its
disruption may result in a variety of cellular changes. This expanding
field in cell biology has already attracted the interest of
toxicologists and environmental health scientists as a potentially
fruitful area of research. Indeed, there is mounting evidence that
certain toxic and chemotherapeutic compounds, as well as physical agents
such as radiation and hydrostatic pressure, disrupt the normal structure
and function of the cytoskeleton. This may be an important step in the
overall expression of their action. It was, therefore, an opportune time
to hold a conference to encourage the development of this area of
toxicology and to suggest directions for future research.