Current Protocols in Cell Biology is a continuously expanding reference for researchers who study the cell, its internal and external environment, and its relationships to other cells. It includes detailed methods for analysis of the relationship between specific molecules and genes, and their locations, functions, and structure at the cellular level. Topics Covered • Antibodies as Cell Biological Tools • Cell Adhesion • Cell Biology of Chromosomes and Nuclei • Cell Cycle Analysis • Cell Culture • Cell Motility • Cellular Aging and Death • Characterization of Cellular Proteins • Electrophoresis and Immunoblotting • Expression and Introduction of Macromolecules into Cells • Extracellular Matrix • Fluorescent Protein Technology • In Vitro Reconstitution • Lipids • Macromolecular Interactions in Cells • Microscopy • Nanotechnology • Organelle Motility • Preparation and Isolation of Cells • Protein Labeling and Immunoprecipitation • Protein Trafficking • Signal Transduction • Stem Cells • Subcellular Fractionation and Isolation of Organelles • Whole Organism and Tissue Analysis • Viruses