Localized Sampling, Electrophoresis, and Biosensor Analysis of Xenopus Laevis Cytoplasm for Subcellular Biochemical Assays.
From: Department of Physiology and Biophysics, University of California, Irvine, USA.
Methods in molecular biology (Clifton, N.J.)
- Publish Date: 2006
- ISSN: 1064-3745
- Volume: 322
- Issue:
- Pages: 413-24
- Medium: Print
- Language: English
- Citation (JAMA): Sims Christopher E, Luzzi Veronica, Allbritton Nancy L, et al. Localized Sampling, Electrophoresis, and Biosensor Analysis of Xenopus Laevis Cytoplasm for Subcellular Biochemical Assays.. Methods Mol. Biol. 2006;322:413-24
Abstract
The Xenopus oocyte is a widely used model cell for studies of signal transduction mechanisms. Advances in microanalytical methods have made it feasible to perform rapid, localized collection of cytoplasm from individual Xenopus oocytes. Analytes contained in the cytoplasmic sample are separated by electrophoresis in a capillary and simultaneously transferred to a detection region. The development of bioengineered cells as sensitive detectors of intracellular components made quantitative measurements of native signaling molecules within the electrophoresed sample possible. Local determination of the second messenger inositol 1,4,5-trisphosphate is described to illustrate the methods for the sampling, electrophoresis, detection, and quantification of signaling molecules in single oocytes.
Mesh Headings (Keywords): Animals, Biosensing Techniques, Cell Line, Cricetinae, Cytoplasm, Electrophoresis, Capillary, Subcellular Fractions, Xenopus laevis
Check for Full Text / PubMed Unique Identifier (PMID): 16739740
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