Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Einat, M. et al.

Synergistic effects of interleukin-11 with other growth factors on the expansion of hematopoietic progenitors from normal individuals and chronic myeloid leukemia patients resistant to treatment with cytosine arabinoside or eilatin.

Interleukin-11 (IL-11) is a novel cytokine that has been shown to stimulate human hematopoietic progenitors including the CD34+ CD33- DR- early progenitors. IL-11 has little effect on its own but it synergizes with other hematopoietic growth factors. We investigated the recovery of human myeloid progenitors incubated with IL-11 alone or in combination with other cytokines, including stem cell factor (SCF), interleukin-3 (IL-3) and granulocyte macrophage colony- stimulating factor (GM-CSF) following their in vitro treatment with ARA-C (10(-9) M) or Eilatin (10(-7) M). IL-11 in combination with IL-3 and GM-CSF markedly increased CFU-C colony growth pre- and post-ARA-C or Eilatin incubation from CML and normal individual bone marrow (BM) cells. Similarly, IL-11 alone or in combination with other cytokines increased cell recovery following 7-day suspension culture. A decrease in BCR/ABL fusion product was observed (by FISH analysis) after incubation of BM cells from CML patients in liquid culture for 7 days with 10(-9) M ARA-C or 10(-7) M Eilatin in the presence of IL-11 alone or in combination with other cytokines. These results indicate that following cytoreductive therapy IL-11 may enhance to a greater extent the growth of normal myeloid progenitors than the malignant clone and may, therefore, be of clinical importance for CML patients treated with chemotherapeutic agents.[1]

References

Synergistic effects of interleukin-11 with other growth factors on the expansion of hematopoietic progenitors from normal individuals and chronic myeloid leukemia patients resistant to treatment with cytosine arabinoside or eilatin. Einat, M., Nagler, A., Amiel, A., Fejgin, M.D., Rudi, A., Kashman, Y., Fabian, I. Leuk. Res. (1996) [Pubmed]

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