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  • Title: The synergistic effect of thrombopoietin in erythropoiesis with erythropoietin and/or IL-3 and myelopoiesis with G-CSF or IL-3 from umbilical cord blood cells of premature neonates.
    Author: Liang DC, Shih LY, Chai IJ, Su HT, Chen SH, Liu HC, Shimosaka A.
    Journal: Pediatr Hematol Oncol; 2002 Sep; 19(6):399-405. PubMed ID: 12186362.
    Abstract:
    The authors sought to determine whether recombinant human thrombopoietin (TPO) acts synergistically with other cytokine(s) on burst-forming unit-erythroid (BFU-E)-derived and colony-forming unit-granulocyte/macrophage (CFU-GM)-derived colony formations from cord blood of premature neonates. Cord blood nonadherent mononuclear cells (MNC) from normal premature neonates were cultured in a methylcellulose system. When cultured with 1 x 10(4) MNC/mL, erythropoietin (EPO) 2 U/mL, interleukin-3 (IL-3) 50 ng/mL, and/or TPO 100 ng/mL, the addition of TPO to EPO gave rise to more BFU-E-derived colonies (p = .000). The addition of TPO to EPO + IL-3 gave rise to more BFU-E-derived colonies (p = .002) also. TPO synergizes erythropoiesis from cord blood of premature neonates. Likewise, the addition of TPO to G-CSF gave rise to more CFU-GM-derived colonies (p = .000) also. TPO synergizes myelopoiesis from cord blood of premature neonates. Thus, TPO has synergistic effects on both erythropoiesis and myelopoiesis from cord blood of premature neonates.
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