Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40506, USA
Dr. Jason M. Unrine is an environmental toxicologist and chemist. His research activity falls into four major interdisciplinary areas focused on distinct societal challenges. His research group works to help solve these challenges by working collaboratively with scientists, physicians, and engineers, from a variety disciplines as well as collaborating with citizens from affected communities.
Research
Plasma and Serum Proteins Bound to Nanoceria: Insights into Pathways
by which Nanoceria may Exert Its Beneficial and Deleterious Effects In
Vivo
Author(s): Allan Butterfield D*, Binghui Wang, Peng Wu, Sarita S. Hardas, Jason M. Unrine, Eric A. Grulke, Jian Cai, Jon B. Klein, William M. Pierce, Robert A. Yokel and Rukhsana Sultana
Nanoceria (CeO2, cerium oxide nanoparticles) is proposed as a therapeutic for multiple disorders. In blood, nanoceria becomes protein-coated, changing its surface properties to yield a different presentation to cells. There is little information on the interaction of nanoceria with blood proteins. The current study is the first to report the proteomics identification of plasma and serum proteins adsorbed to nanoceria. The results identify a number of plasma and serum proteins interacting with nanoceria, proteins whose normal activities regulate numerous cell functions: antioxidant/detoxification, energy regulation, lipoproteins, signaling, complement, immune function, coagulation, iron homeostasis, proteolysis, inflammation, protein folding, protease inhibition, adhesion, protein/RNA degradation, and hormonal. The principal implications of this study are: 1) The protein cor.. View more»