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Therapy: Endocrine Therapy
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Cancers, Vol. 14, Pages 2380: Endocrine Therapy-Resistant Breast Cancer Cells Are More Sensitive to Ceramide Kinase Inhibition and Elevated Ceramide Levels Than Therapy-Sensitive Breast Cancer Cells
In this study, we have investigated how alterations in sphingolipids promote cell survival in ET-resistant breast cancer. We have performed LC-MS-based targeted sphingolipidomics of tamoxifen-sensitive and -resistant MCF-7 breast cancer cell lines. Follow-up studies included treatments of cell lines and patient-derived xenograft organoids (PDxO) with small molecule inhibitors; cytometric analyses to measure cell death, proliferation, and apoptosis; siRNA-mediated knockdown; RT-qPCR and Western blot for gene and protein expression; targeted lipid analysis; and lipid addback experiments. We found that tamoxifen-resistant cel...
Source: Cancers - May 12, 2022 Category: Cancer & Oncology Authors: Purab Pal Alec Millner Svetlana E. Semina Rosemary J. Huggins Logan Running Diana S. Aga Debra A. Tonetti Rachel Schiff Geoffrey L. Greene G. Ekin Atilla-Gokcumen Jonna Frasor Tags: Article Source Type: research
