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https://www.selleckchem.com/products/loxo-195.html The Warburg effect, one of the metabolic hallmarks of cancer, is responsible for rapid energy production through a high rate of aerobic glycolysis. Ginsenoside 20(S)-Rg3 antagonizes the Warburg effect in ovarian cancer cells by upregulating some microRNAs, including miR-519a-5p, that target key enzymes involved in aerobic glycolysis. How 20(S)-Rg3-upregulated miR-519a-5p influences the Warburg effect in ovarian cancer cells remains poorly defined, however. Here we report that while overexpression of miR-519a-5p in ovarian cancer cells inhibited the Warburg effect, inhibition of miR-519a-5p negated the suppressive action of 20(S)-Rg3 against the Warburg effect as evidenced by a decrease in glucose consumption, lactate production and HK2 expression. We identified HIF-1α as a direct target of miR-519a-5p via luciferase reporter assays and demonstrated the counteraction by overexpressed HIF-1α of 20(S)-Rg3-suppressed Warburg effect. Further, 20(S)-Rg3 decreased DNMT3A-mediated DNA methylation in the promoter region of its precursor gene, leading to an increase in the level of miR-519a-5p. In conclusion, 20(S)-Rg3 upregulates miR-519a-5p via reducing DNMT3A-mediated DNA methylation to inhibit HIF-1α-stimulated Warburg effect in ovarian cancer. This article is protected by copyright. All rights reserved.The impact of ruxolitinib therapy on evolution to blast phase (BP) in patients with myelofibrosis (MF) is still uncertain. In 589 MF patients treated with ruxolitinib, we investigated incidence and risk factors for BP and we described outcome according to disease characteristics and treatment strategy. After a median follow-up from ruxolitinib start of 3 years (range 0.1-7.6), 65 (11%) patients transformed to BP during (93.8%) or after treatment. BP incidence rate was 3.7 per 100 patient-years, comparably in primary and secondary MF (PMF/SMF) but significantly lower in intermediate-1 risk patients (2.3 vs 5.6 per 100 patie

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