A. Symposium on Surface Molecules in Leukocyte Interactions.- The Leukocyte-Common Antigen (L-CA) Family.- The Poly-Ig Receptor - Functional Aspects of Secretory Component Expression.- Lymphocyte Migration Molecules.- The Binding of Antigen Presenting Cells to T Lymphocytes.- B. 9th Germinal Centre Conference.- Bone Marrow, B-Cell Differentiation and the B-Cell System.- In Vivo Localization of B Lymphocyte Progenitor Cells in Mouse Bone Marrow.- Pattern of Distribution of Early B Lineage Cells in Rat Bone Marrow.- B Cell Precursor Populations in Fetal and Neonatal Rat Liver: Frequency, Topography and Antigenic Phenotype.- Rat Immununoglobulin Genes Have Comparable Patterns of JH Rearrangement in Normal Peripheral B Cells and in Pre-B and Cultured TdT+ Cells from Bone Marrow.- Chicken B Lymphocyte Differentiation: Bursal Microenvironment and Differences in Ontogeny Between Normal and SPF Birds.- Response of the Chicken Bursal Stroma to Treatment with Cyclophosphamide and IDB Virus.- Age-Dependence of Lymphocyte Production in Peyer's Follicles in Contrast to the Other Peyer's Patch Compartments and the Thymus.- Migration of Newly-Produced Virgin B Cells from Bone Marrow to Secondary Lymphoid Organs.- Memory B Cells Generated in T CellDependent Antibody Responses Colonise the Splenic Marginal Zone.- Marginal Zone B Cells and the Localisation of Antigen on Follicular Dendritic Cells.- CBA/N Mice Have Marginal Zone B Cells with Normal Surface Immunoglobulin Phenotype.- Thymus-Independent Type 2 Responses in Lymph Nodes.- Both Ly-1 B Cells and Conventional B cells Make Autoantibodies to Bromelain-Treated Autologus Erythrocytes.- IgG Subclass Distribution in Juvenile Human Tonsil: IgG3 and IgG4 Results of Specific Antibody Production Using Synthetic Peptides.- Interrelationships of Cell-Substrate and Cell-Cell Adhesion Structures in B-Chronic Lyraphocytic Leukemia (B-CLL) Cells.- Heterogeneity in the Expression of B-Cell Antigen in Non-Hodgkin's Lymphoma.- Growth Requirements of SJL Lymphomas In Vitro: Effect of BCGF II.- The Role of Follicular Dendritic Cells and Germinal Centers in Immune Reactions.- Morphological Diversity of DRC-1 Positive Cells; Human Folicular Dendritic Cells and their Relatives.- Identification of Alkaline Phosphatase Positive Cells in Human Germinal Centres as Follicular Dendritic Cells.- Isolation of Follicular Dendritic Cells From Human Tonsils and Adenoids. In Vitro Culture.- Immunohistochemical Study on Cultured FDC-C Enriched Lymphoid Cell Populations.- Interactions Between Follicular Dendritic Cells and Lymphoid Cells.- Deposits of Terminal Complement Complex and S-Protein on Follicular Dendritic Cells in Human Lymphoid Tissue.- Transport of Immune Complexes from the Subcapsular Sinus into the Lymph Node Follicles of the Rat.- FDC-Iccosome Mediated Antigen Delivery to Germinal Centre B Cells, Antigen Processing and Presentation to T Cells.- Is the Survival of Memory B Cells Dependent on the Persistence of Antigen?.- Memory B Cells but Not Virgin B Cells are Activated in Germinal Centers.- A Subpopulation of Germinal Center B Cells Differentiate Directly into Antibody Forming Cells Upon Secondary Immunization.- Specific Antibody Forming Cells in Lymphoid Follicles of Spleen: An Aspect of the Late Immune Response.- Enrichment of Germinal Centre Cells.- The Germinal Center Precursor Cell is Surface ? and ? Positive.- Surface IgD Phenotype of Rat Germinal Centre Precursor Cells.- The De Novo Generation of Germinal Centers is an Oligoclonal Process.- Changes in the Germinal Centre and Lymphocytic Corona After Peritoneal Inflammation.- Thymus, T-Cell Differentiation and the T-Cell System.- The Cholinergic and Adrenergic Innervation of the Rat Thymus.- Complex Heterogeneity of the Thymic Stroma.- Thymic Stromal Elements Defined by M. Abs: Ontogeny, and Modulation In Vivo by Immunosuppression.- Kinetics of Rat Thymic Dendritic Cells in Bone Marrow-Reconstituted Radiation Chimeras.- Allogeneic Cultured Thymi
The 9th International Conference on Lymphatic Tissues and Germinal Centres in Immune Reactions was held in Oslo, 9-14 August, 1987. These conferen ces, by the regular devotees just referred to as the germinal centre con ferences or GCC, have been held regularly at roughly three-year intervals since 1966. The credo of these conferences is "in vivo veritas", signifying that investigating components, like molecules and cells, only gives partial truth. The components must ultimately be explored in their natural con text, to see how they interact with other parts and are integrated to a whole. To the biologist it is obvious that the world must be investigated at many different levels of organization. At each level the patterns observed represent just some of many possible ways of putting together the elements of the lower levels. These patterns are not predetermined, but the results of evolution, i.e. of a history in which stochastic processes play a major role. The organic world can therefore not be torn apart and then reconstructed from basic principles alone. This realization is often expressed as the whole being more than the sum of its parts.
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