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Supernatant of human umbilical vein endothelial cell culture can favour in vivo neutropoiesis.

Umbilical vein endothelial cells are known to be able to produce interleukins and colony stimulating factors. In the present work supernatant of human umbilical vein endothelial cell culture have been administered to neoplastic patients treated with chemotherapy to reduce the iatrogenic inhibition of hemopoiesis. While no undesired effect could be observed, neutrophil count was favourably influenced by endothelial cell supernatant administration. Such data can be considered useful in order to reduce collateral effect of antineoplastic therapy.