Microsystem for the single molecule analysis of membrane transport proteins |
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Institution: | Molecular Physiology Laboratory, RIKEN, Saitama, Japan |
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Abstract: | Micro-chamber arrays enable highly sensitive and quantitative bioassays at the single-molecule level. Accordingly, they are widely used for ultra-sensitive biomedical applications, e.g., digital PCR and digital ELISA. However, the versatility of micro-chambers is generally limited to reactions in aqueous solutions, although various functions of membrane proteins are extremely important. To address this issue, microsystems using arrayed micro-sized chambers sealed with lipid bilayers, referred to here as a “biomembrane microsystems”, have been developed by many research groups for the analysis of membrane proteins. In this review, I would like to introduce recent progress on the single molecule analysis of membrane transport proteins using a biomembrane microsystem, and discuss the future prospects for its use in analytical and pharmacological applications. |
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