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B lymphoblasts immortalized by the Epstein-Barr virus (EBV) exhibit autocrine growth stimulation--that is they release a soluble activity to which they respond by growth. A minimally supplemented serum-free medium conditioned by lymphoblastoid cells in their log phase of growth (LCL-CM) was found to contain autostimulatory activity allowing us to explore… (More)
The activation, clonal expansion and terminal differentiation of small resting B lymphocytes primed by an antigen (or antibodies to its receptors) appear to follow an orderly developmental sequence triggered at each stage by distinct soluble cytokines, primarily produced by T lymphocytes. For man, the only known B-cell mitogen independent of accessory cells… (More)
The RH blood group locus from RhD-positive donors is composed of two closely related genes, RHCE and RHD, encoding the Cc/Ee and D antigens, respectively. The major Rh antigen, D, is serologically defined as a mosaic of at least nine determinants (epD1 to epD9), and the lack of expression of some of these D epitopes at the surface of variant red blood cells… (More)
REVIEW ARTICLE Assembly and secretion of hepatic very-low-density lipoprotein RESEARCH PAPERS Proteins Neoantigens in complement component C3 as detected by mono-clonal antibodies. Mapping of the recognized epitopes by synthetic peptides Myelin basic protein is affected by reduced synthesis of myelin proteolipid protein in the jimpy mouse Botulinum type F… (More)
Two human monoclonal antibodies, one IgG3 and one IgG1, with anti-Rh D specificity, were tested for their ability to clear red cells. Samples of red cells from 12 D-positive subjects were sensitised in vitro with various amounts of antibody, the number of antibody molecules bound to the cells was estimated, and the cells were reinjected into the donor's… (More)
A simple method is described for analysing leucocyte-volume distribution curves to obtain a differential leucocyte-count. The results derived by this method agree well with the differential counts obtained by microscopical examination of the stained blood-film.
Inter-group aggression, carried out at the level of the in-groups and out-groups of ethnocentric theory, continued unabated throughout the twentieth century. Its frequency, together with its ferocity, indicates a potent biological cause. We have evolved as social animals, and it is postulated that evolution has proceeded to such an extent that… (More)