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Following a protein's travel inside cells is key to improving patient monitoring, drug development
Date:4/23/2014

In science, "simple and accessible detection methods that can rapidly screen a large cell population with the resolution of a single cell inside that population has been seriously lacking," said Virginia Tech chemical engineer Chang Lu.

In the Royal Society of Chemistry journal Chemical Science, Lu has announced that he and his coworkers have developed a novel technique that detects the subcellular location of a protein (Chem. Sci., 2014, DOI: 10.1039/C4SC00578C, http://pubs.rsc.org/en/content/articlelanding/2014/sc/c4sc00578c#!divAbstract). The significance of this method is that the technique will allow the scientific and technological communities a simple and improved method for studying effectiveness of therapies for disease, including cancer.

If a protein is not located in the right subcellular compartment of a cell, "the result can be diseases ranging from metabolic disorders to cancers," Lu explained. "Modulation of protein transport inside a cell is practiced as an important therapeutic approach for cancer treatment. The subcellular location of a target protein can also serve as a useful read-out for high-content screening of cancer drugs."

In the human body, proteins move between distinct compartments inside cells, including the plasma membrane, the nucleus, and other membrane-enclosed areas. This movement can be a prerequisite for proteins to carry out their intended functions. These functions might include gene transcription and other molecular regulations.

In the publication, Lu and his colleagues, Zhenning Cao, a graduate student of the School of Biomedical Engineering and Sciences, Shuo Geng, a postdoctoral researcher, and Liwu Li, professor of biological sciences, all of Virginia Tech, described the shortcomings of current evaluations of protein movement.

One such technique
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Contact: Lynn Nystrom
tansy@vt.edu
540-231-4371
Virginia Tech
Source:Eurekalert  

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