Brush border membranes -- Contents -- Chairman's introduction -- Introductory remarks on the brush border -- Microvillar endopeptidase, an enzyme with special topological features and a wide distribution -- Discussion -- Aminopeptidases and proteolipids of intestinal brush border -- Discussion -- Structure of microvillar enzymes in different phases of their life cycles -- Discussion -- Specific labelling of the hydrophobic domain of rat renal y-glutamyltransferase -- Discussion -- Biosynthesis and assem- bly of the largest and major intrinsic polypeptide of the small intestinal brush borders -- Discussion -- Use of monoclonal antibodies in the study of intestinal structure and function -- Discussion -- Biosynthesis and transport of plasma membrane glyco- proteins in the rat intestinal epithelial cell: studies with sucrase- isomaltase -- Discussion -- GENERAL DISCUSSION I Biosynthesis and assembly of brush border proteins: (i) some co-translational models for protein insertion into membranes -- molecular sizes of brush border enzymes during assembly -- Distribution of enteropeptidase and aminopeptidase to non-brush border sites -- General functions of the enterocyte -- Molecular architecture of the microvillus cytoskeleton -- Discussion -- Structure of human placental microvilli -- Discussion -- Regulation of cytoskeletal structure and contractility in the brush border -- Discussion -- Characterization of membrane glycoproteins involved in attachment of microfilaments to the microvillar membrane -- Discussion -- Structural and functional relationship between the membrane and the cytoskeleton in brush border microvilli -- Discussion -- GENERAL DISCUSSION II A pathological condition due to congenital disorganization of the brush border -- Conformational changes in the a-subunit, and cation transport by Na+, K+-ATPase -- Discussion.

Properties of immunoglobulin G-Fc receptors from neonatal rat intestinal brush borders -- Immunoglobulin G receptors of intestinal brush borders from neonatal rats -- Discussion after the preceding two papers -- Cotransport systems in the brush border membrane of the human placenta -- Discussion -- GENERAL DISCUSSION III Cytoskeleton and membrane-cytoskeleton interactions -- The importance of structure for understanding the biosynthetic process -- Future advances in study of brush border cytoskeleton -- Photo-affinity labelling to identify components of the neutral amino acid carrier in the intestinal microvillar membrane -- Chairman's closing remarks -- Index to contributors -- Subject index.