Annual Report

activation analysis antibodies antigen presentation appear associated Basel binding Boehmer bone marrow c-myc cell development cell lines cell receptor chain Chen chicken clones collaboration complex containing culture detected determine differentiation disease diversity early effect elements encoded endogenous enhancer Evolution expression fetal function gene gene segments Genetics heavy human immune system immunoglobulin Immunol Immunology induced injected Inst Institute interaction involved Kaufman Lanzavecchia Lefkovits liver loci locus lymphocytes lymphoid major mature Meeting Melchers Members memory MHC class Molecular molecules monoclonal mouse mutations normal organ Pasquier peptides Ph.D positive pre-B cells precursors progenitors proliferation protein rearrangements receptor recognition recognize recombination region regulation repertoire response restricted role scid selection sequences sheep specific stages stem cells stimulation stromal cells structure suggest surface Technician thymic thymocytes thymus tissue tolerance transcription transgenic mice Univ vitro Xenopus