Migration of lymphoid cells to the bone marrow of rat following eradication of cells in DNA synthesis and in mitosis |
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Authors: | Z Ben-Ishay F Reichert S Sharon |
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Institution: | (1) Department of Anatomy and Embryology, Hebrew University-Hadassah Medical School, P.O.B. 1172, Jerusalem, Israel |
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Abstract: | Summary Eradication of replicating bone marrow cells of rat by means of combined administration of single doses of hydroxyurea and vinblastin is followed within 9–10 h by an inflow of lymphoid cells of extramedullary origin in the range of 13,200,000/femur. The rat bone marrow with a high content of lymphoid cells was previously shown to be concentrated in stem cells. The factor(s) which convey the information of decrease of replicating marrow cells to extramedullary sites is at present unknown.Acknowledgment. This study was supported by a grant from the Chief Scientist Office, Ministry of Health, Israel.Hydroxyurea for this investigation was given as a gift by the Squibb Institute of Medical Research, Princeton, N.J. USA, to which the authors are indebted. |
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