Abstract
The bisbenzylisoquinoline alkaloid berbamine has been used in China and Japan for the therapy of leukopaenic complications of cancer. Mice treated with non-toxic doses showed significant enhancement of neutrophil and lymphocyte counts in the circulation, but a decrease in the numbers of bone marrow stem cells in a dose-dependent manner after two weeks. Similar findings were observed in cyclophosphamide-treated mice. These results indicate that berbamine acts by stimulating the maturation and release of leukocyte progenitors, and may have value in leukopaenic patients.
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