Abstract
THE factors which influence many developmental phenomena are poorly understood. One would like to know, for example, how it happens that an organism only develops one heart. A possible clue to this particular question arose inadvertently from an immunological tolerance assay involving inter-strain grafting of murine foetal hearts into adult ear pouches1. We noticed amongst the control syngeneic grafts that whereas single heart grafts had a high long-term survival rate, grafting two hearts into a single animal seemed to considerably reduce the individual graft survival rate. The experiments reported here extensively document this observation using different strains and different grafting sites, as well as control grafts for specificity.
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WEGMANN, T., MELNYCHUK, W. Influence of multiple syngeneic foetal heart grafting on individual graft survival. Nature 264, 558–560 (1976). https://doi.org/10.1038/264558a0
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DOI: https://doi.org/10.1038/264558a0
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