Prostaglandin E1 and Its Analog Misoprostol Inhibit Human CML Stem Cell Self-Renewal via EP4 Receptor Activation and Repression of AP-1

Xue and colleagues show that prostaglandin E1 (PGE1) inhibits the activity and self-renewal of human CML leukemic stem cells. Combination of PGE1 or an agonist for its receptor EP4 with conventional tyrosine kinase inhibitor treatment can effectively target CML leukemic stem cells and reduce leukemia growth.

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