Intracellular death platform steps-in: targeting prostate tumors via endoplasmic reticulum (ER) apoptosis |
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Authors: | Schwarze Steven R Lin Eric W Christian Perry A Gayheart Dustin T Kyprianou Natasha |
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Affiliation: | Department of Molecular/Cellular Biochemistry, University of Kentucky College of Medicine, Lexington, Kentucky 40536, USA. |
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Abstract: | Molecular targeting of apoptotic signaling pathways has been extensively studied in recent years and directed towards the development of effective therapeutic modalities for treating advanced androgen-independent prostate tumors. The majority of therapeutic agents act through intrinsic or mitochondrial pathways to induce programmed cell death. The induction of apoptosis through endoplasmic reticulum (ER) stress pathways may provide an alternative to treat patients. The functional interaction between the BCL-2 family members and regulation of calcium homeostasis in the ER provides a critical link to the life or death outcome of the cell. Apoptosis induction mediated by ER stress-inducing agents is just beginning to be exploited for therapeutic targeting of prostate tumors. Insightful dissection of recently discovered apoptotic signaling pathways that function through the endoplasmic reticulum may identify novel molecules that could effectively target both androgen-dependent and androgen-independent prostate tumors. In this review, we focus on linking ER stress-induced apoptosis to therapeutic targeting of prostate tumors and dissect its cross-talk with the intrinsic and extrinsic apoptotic pathways. |
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Keywords: | prostate cancer apoptosis BCL‐2 family ESR UPR |
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