A reagent to facilitate protein recovery from cells and tissues

Drug Delivery and Translational Research
Byeong Hee HwangSamir Mitragotri

Abstract

Collection of cytosolic proteins from cells and tissues is the first and essential step in many bioanalytical assays that play a key role in medical applications such as diagnostics, theranostics, and regenerative medicine. Dissolution of cell and tissue constituents without deactivation of their constituents, especially proteins, is a challenging task. Here, we report on a recently identified cell and tissue lysis agent in terms of its ability to solubilize cells and tissues as well as preservation of cellular proteins, particularly enzymes. The lysis agent comprises a mixture of a zwitterionic surfactant, N-decyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (DPS) and a non-ionic surfactant, Brij 30 (B30). Mixtures of DPS and B30 successfully solubilized keratinocytes and human vascular endothelial cells in vitro while preserving detectable quantities of cellular enzymes including glyceraldehyde 3-phosphate dehydrogenase and lactate dehydrogenase for at least 4 h. Mixtures of DPS and B30 were also effective in solubilizing tissues, especially tough tissues such as skin in vitro. Collectively, the mixture of DPS/B30 was effective in solubilizing cells and tissues while preserving its constituent proteins, which opens up its applic...Continue Reading

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Citations

Oct 1, 2013·Drug Delivery and Translational Research·Byeong Hee HwangSamir Mitragotri
Jun 20, 2020·The Journal of Investigative Dermatology·Elnara MuradovaKenneth Y Tsai

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