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Scientists use nanoparticle to discover disease-causing proteins

sting technologies to study them," Tao said. "In addition, to study a specific protein and its function, we want to preserve its natural environment and see where two molecules meet and what the interaction is when they bind.

"Taking small samples of blood, cells or tissue to study extracted proteins in laboratory dishes damages the sample and the natural environment is destroyed."

The dendrimers would carry one of the stable isotopic or fluorescent labels to identify the presence or absence of a protein that can be further developed for use as a disease indicator, or biomarker.

Snake venom cells were used because they have a very high concentration of proteins similar to some found in human blood, Tao said. The proteins apparently are part of the biochemical process that affects blood clotting or hemorrhage. Understanding how the proteins behave could help determine predisposition to heart disease and cancer and also be useful in diagnosis and drug development.

In future research, Tao plans to investigate how dendrimers are able to enter the cell so easily, what happens to them once they are in the cell and whether there are any long-term effects.


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Source:Purdue University


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