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Greg Wiedman

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https://www.readbyqxmd.com/read/23746514/a-membrane-translocating-peptide-penetrates-into-bilayers-without-significant-bilayer-perturbations
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Juan Cruz, Mihaela Mihailescu, Greg Wiedman, Katherine Herman, Peter C Searson, William C Wimley, Kalina Hristova
Using a high throughput screen, we have identified a family of 12-residue long peptides that spontaneously translocate across membranes. These peptides function by a poorly understood mechanism that is very different from that of the well-known, highly cationic cell penetrating peptides such as the tat peptide from HIV. The newly discovered translocating peptides can carry polar cargoes across synthetic bilayers and across cellular membranes quickly and spontaneously without disrupting the membrane. Here we report on the biophysical characterization of a representative translocating peptide from the selected family, TP2, as well as a negative control peptide, ONEG, from the same library...
June 4, 2013: Biophysical Journal
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