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Cancers 2019, 11(3), 364; https://doi.org/10.3390/cancers11030364

Cucurbitacin D Reprograms Glucose Metabolic Network in Prostate Cancer

1
Department of Pharmaceutical Sciences, University of Tennessee Health Science Centre, Memphis, TN 38163, USA
2
Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
3
Department South Dakota State University, Brookings, SD 57007, USA
*
Authors to whom correspondence should be addressed.
Received: 30 October 2018 / Revised: 25 February 2019 / Accepted: 8 March 2019 / Published: 14 March 2019
(This article belongs to the Collection Drug Resistance and Novel Therapies in Cancers)
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Abstract

Prostate cancer (PrCa) metastasis is the major cause of mortality and morbidity among men. Metastatic PrCa cells are typically adopted for aberrant glucose metabolism. Thus, chemophores that reprogram altered glucose metabolic machinery in cancer cells can be useful agent for the repression of PrCa metastasis. Herein, we report that cucurbitacin D (Cuc D) effectively inhibits glucose uptake and lactate production in metastatic PrCa cells via modulating glucose metabolism. This metabolic shift by Cuc D was correlated with decreased expression of GLUT1 by its direct binding as suggested by its proficient molecular docking (binding energy −8.5 kcal/mol). Cuc D treatment also altered the expression of key oncogenic proteins and miR-132 that are known to be involved in glucose metabolism. Cuc D (0.1 to 1 µM) treatment inhibited tumorigenic and metastatic potential of human PrCa cells via inducing apoptosis and cell cycle arrest in G2/M phase. Cuc D treatment also showed inhibition of tumor growth in PrCa xenograft mouse model with concomitant decrease in the expression of GLUT1, PCNA and restoration of miR-132. These results suggest that Cuc D is a novel modulator of glucose metabolism and could be a promising therapeutic modality for the attenuation of PrCa metastasis. View Full-Text
Keywords: cucurbitacin D; PrCa; miRNAs and glucose metabolism cucurbitacin D; PrCa; miRNAs and glucose metabolism
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Sikander, M.; Malik, S.; Chauhan, N.; Khan, P.; Kumari, S.; Kashyap, V.K.; Khan, S.; Ganju, A.; Halaweish, F.T.; Yallapu, M.M.; Jaggi, M.; Chauhan, S.C. Cucurbitacin D Reprograms Glucose Metabolic Network in Prostate Cancer. Cancers 2019, 11, 364.

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