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Science 25 May 1973:
Vol. 180. no. 4088, p. 875
DOI: 10.1126/science.180.4088.875

Articles

Osteopetrosis Cured by Temporary Parabiosis

Donald G. Walker 1

1 Department of Anatomy, School of Medicine, Johns Hopkins University, Baltimore, Maryland 21205

The excessive accumulations of spongiosa in the long bones of congenitally osteopetrotic mice permanently disappeared after a brief parabiotic union to normal littermates. Most of the bone removal was accomplished long after interruption of parabiosis. It is proposed that, during parabiosis, progenitors of competent osteolytic cells were recruited from the blood of the normal mouse.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)