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Modulation of de Novo Lipogenesis Improves Response to Enzalutamide Treatment in Prostate Cancer
| Content Provider | MDPI |
|---|---|
| Author | Benjamin, Péant Lounis, Mohamed Amine Leclerc-Desaulniers, Kim Ganguli, Dwaipayan Daneault, Caroline Ruiz, Matthieu Zoubeidi, Amina Mes-Masson, Anne-Marie Saad, Fred |
| Copyright Year | 2020 |
| Description | De novo lipogenesis (DNL) is now considered as a hallmark of cancer. The overexpression of key enzymes of DNL is characteristic of both primary and advanced disease and may play an important role in resistance to therapies. Here, we showed that DNL is highly enhanced in castrate resistant prostate cancer (CRPC) cells compared to hormone sensitive and enzalutamide resistant cells. This observation suggests that this pathway plays an important role in the initiation of aggressive prostate cancer and in the development of enzalutamide resistance. Importantly, here we show that both prostate cancer cells sensitive and resistant to enzalutamide are dependent on DNL to proliferate. We next combined enzalutamide with an inhibitor of Stearoyl CoA Desaturase 1 (SCD1), an important enzyme in DNL, and observed significantly reduced tumor growth caused by the important change in tumoral lipid desaturation. Our findings suggest that the equilibrium between monounsaturated fatty acids and saturated fatty acids is essential in the establishment of the more aggressive prostate cancer phenotype and that the combination therapy induces a disruption of this equilibrium leading to an important decrease of cell proliferation. These findings provide new insights into the role of DNL in the progression of prostate cancer cells. The study also provides the rationale for the use of an inhibitor of SCD1 in combination with enzalutamide to improve response, delay enzalutamide resistance and improve disease free progression. |
| Starting Page | 3339 |
| e-ISSN | 20726694 |
| DOI | 10.3390/cancers12113339 |
| Journal | Cancers |
| Issue Number | 11 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-11-11 |
| Access Restriction | Open |
| Subject Keyword | Cancers Oncology Prostate Cancer Therapy Combination Therapy De Novo Lipogenesis Lipid Desaturation Cellular Stress |
| Content Type | Text |
| Resource Type | Article |