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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Nov 5, 2013·Cellular Immunology·Chunyan LiuZonghong Shao
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