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Bosch, Thomas C. G. and David, Charles N. (1990): Cloned interstitial stem cells grow as contiguous patches in hydra. In: Developmental Biology, Vol. 138, No. 2: pp. 513-515 [PDF, 709kB]


The migration of interstitial cells was analyzed during the growth of stem cell clones in vivo. The spatial distribution of cloned cells was analyzed at a time by which extensive migration of interstitial cells could have occurred. All interstitial cell clones were found to form large contiguous patches of cells. The results indicate that there is little migration of large interstitial cells in undisturbed tissue during normal growth. This finding is surprising since numerous grafting experiments have shown extensive migration of these cells. The implications of finding nonrandomly distributed stem cells are discussed.

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