Category Archives: Prostate Cell

Prostate Cell News is an online publication and email newsletter summarizing the latest prostate cell research.
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Published every week since 2010, Prostate Cell News compiles top scientific journal articles covering the characterization, behavior, and culturing prostate cells. Additionally, our editorial team curates the latest press releases, technical advances, jobs, and events relevant to the prostate cell research community. Prostate Cell News saves scientists valuable time while keeping them informed in their field, facilitating the rapid exchange of cutting edge research updates and science news.

Oncolytic Reovirus-Mediated Recruitment of Early Innate Immune Response Reverses Immunotherapy-Resistance in Prostate Tumors by Inducing a T-Cell Inflamed Microenvironment

Oncolytic virus therapy can potentially overcome resistance to immunotherapy in prostate cancers by transforming cold tumors into ‘hot’, immune cell-infiltrated tumors. Scientists investigated whether the combination of intratumoural oncolytic reovirus, followed by targeted blockade of PD-1 checkpoint inhibition and/or the immunomodulatory CD73/Adenosine system could enhance anti-tumor immunity.
[Molecular Therapy-Oncolytics]
Annels, N. E., Simpson, G. R., Denyer, M., Arif, M., Coffey, M., Melcher, A., Harrington, K., Vile, R., & Pandha, H. (2020). Oncolytic reovirus-mediated recruitment of early innate immune response reverses immunotherapy-resistance in prostate tumours by inducing a T-cell inflamed microenvironment. Molecular Therapy - Oncolytics, 0(0). https://doi.org/10.1016/j.omto.2020.09.010 Cite
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Lantheus Holdings Submits New Drug Application to the US FDA for PyLâ„¢ (18F-DCFPyL), a PSMA-Targeted Prostate Cancer Imaging Agent

Lantheus Holdings, Inc. has announced the submission of a New Drug Application to the US FDA for PyLâ„¢, a prostate specific membrane antigen-targeted positron emission tomography imaging agent for prostate cancer.
[Lantheus Holdings, Inc.]
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Long Noncoding RNA Hotair Regulates the Invasion and Metastasis of Prostate Cancer by Targeting hepaCAM

Scientists demonstrated that HOX transcript antisense RNA (HOTAIR) promoted invasion and metastasis of PCa by decreasing the inhibitory effect of hepaCAM on MAPK signaling. Therefore, the HOTAIR/hepaCAM/MAPK axis may provide a new avenue towards therapeutic strategies and prognostic indicators for advanced prostate cancer.
[British Journal of Cancer]
Long noncoding RNA HOTAIR regulates the invasion and metastasis of prostate cancer by targeting hepaCAM | British Journal of Cancer. (n.d.). Retrieved October 7, 2020, from https://www.nature.com/articles/s41416-020-01091-1 Cite
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Emerging Role of Tumor Cell Plasticity in Modifying Therapeutic Response

Resistance to cancer therapy is a major barrier to cancer management. Conventional views have proposed that acquisition of resistance may result from genetic mutations. However, accumulating evidence implicates a key role of non-mutational resistance mechanisms underlying drug tolerance, the latter of which is the focus that is discussed here.
[Signal Transduction and Targeted Therapy]
Qin, S., Jiang, J., Lu, Y., Nice, E. C., Huang, C., Zhang, J., & He, W. (2020). Emerging role of tumor cell plasticity in modifying therapeutic response. Signal Transduction and Targeted Therapy, 5(1), 1–36. https://doi.org/10.1038/s41392-020-00313-5 Cite
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De Novo Induction of Lineage Plasticity from Human Prostate Luminal Epithelial Cells by Activated AKT1 and C-Myc

Scientists demonstrated de novo neuroendocrine differentiation of the human prostate luminal epithelial cells induced by caAKT1 and c-Myc and revealed an impact of cellular status on initiation of lineage plasticity.
[Oncogene]
Kwon, O.-J., Zhang, L., Jia, D., Zhou, Z., Li, Z., Haffner, M., Lee, J. K., True, L., Morrissey, C., & Xin, L. (2020). De novo induction of lineage plasticity from human prostate luminal epithelial cells by activated AKT1 and c-Myc. Oncogene, 1–10. https://doi.org/10.1038/s41388-020-01487-6 Cite
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Blood-Based Gene Expression Signature Associated with Metastatic Castrate-Resistant Prostate Cancer Patient Response to Abiraterone Plus Prednisone or Enzalutamide

Researchers utilized baseline blood samples to identify mCRPC patients most likely to benefit from abiraterone plus prednisone (AAP) or enzalutamide.
[Prostate Cancer and Prostatic Diseases]
Haas, N. B., LaRiviere, M. J., Buckingham, T. H., Cherkas, Y., Calara-Nielsen, K., Foulk, B., Patel, J., Gross, S., Smirnov, D., Vaughn, D. J., Amaravadi, R., Wellen, K. E., Savitch, S. L., Majmundar, K. J., Black, T. A., Yee, S. S., He, M., Min, E. J., Long, Q., … Carpenter, E. L. (2020). Blood-based gene expression signature associated with metastatic castrate-resistant prostate cancer patient response to abiraterone plus prednisone or enzalutamide. Prostate Cancer and Prostatic Diseases, 1–9. https://doi.org/10.1038/s41391-020-00295-z Cite
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Dickkopf-1 Can Lead to Immune Evasion in Metastatic Castration-Resistant Prostate Cancer

Laboratory studies were carried out in human mCRPC organoid cultures, prostate cancer cell lines, and mouse xenograft models. Epigenetic studies were carried out in a rapid autopsy cohort.
[JCO Precision Oncology]
Wise, D. R., Schneider, J. A., Armenia, J., Febles, V. A., McLaughlin, B., Brennan, R., Thoren, K. L., Abida, W., Sfanos, K. S., De Marzo, A. M., Yegnasubramanian, S., Fox, J. J., Haas, M., Heath, H., Kagey, M. H., Newman, W., Sirard, C. A., Fleisher, M., Morris, M. J., … Sawyers, C. L. (2020). Dickkopf-1 Can Lead to Immune Evasion in Metastatic Castration-Resistant Prostate Cancer. JCO Precision Oncology, 4, 1167–1179. https://doi.org/10.1200/PO.20.00097 Cite
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Estrogen Receptor β Regulates AKT Activity through Up-Regulation of INPP4B and Inhibits Migration of Prostate Cancer Cell Line PC-3

Investigators found that in prostate cancer (PCa), samples from men treated with androgen deprivation therapy, ERβ, and inositol-polyphosphate 4-phosphatase type II (INPP4B) expression were maintained in some samples. To investigate the role of ERβ1 in regulation of INPPB, they engineered the highly metastatic PCa cell line, PC3, to express ERβ1.
[Proceedings of the National Academy of Sciences of the United States of America]
Chaurasiya, S., Wu, W., Strom, A. M., Warner, M., & Gustafsson, J.-Å. (2020). Estrogen receptor β regulates AKT activity through up-regulation of INPP4B and inhibits migration of prostate cancer cell line PC-3. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2007160117 Cite
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In Vivo Imaging of Long-Term Accumulation of Cancer-Derived Exosomes using a BRET-Based Reporter

Transplantation of CD63-Antares2-expressing prostate cancer cells into mice allowed determining the amount of cancer-derived exosomes released from primary tumors into the bloodstream and visualizing the long-term homing behavior of exosomes to their target organs or tissues.
[Scientific Reports]
Hikita, T., Miyata, M., Watanabe, R., & Oneyama, C. (2020). In vivo imaging of long-term accumulation of cancer-derived exosomes using a BRET-based reporter. Scientific Reports, 10(1), 16616. https://doi.org/10.1038/s41598-020-73580-5 Cite
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Protein Arginine Methyltransferase 5 Promotes pICln-Dependent Androgen Receptor Transcription in Castration-Resistant Prostate Cancer

Researchers demonstrated that protein arginine methyltransferase 5 (PRMT5) functions as an epigenetic activator of androgen receptor transcription in castration-resistant prostate cancer, requiring cooperation with a methylosome subunit pICln.
[Cancer Research]
Beketova, E., Fang, S., Owens, J. L., Liu, S., Chen, X., Zhang, Q., Asberry, A. M., Deng, X., Malola, J., Huang, J., Li, C., Pili, R., Elzey, B. D., Ratliff, T. L., Wan, J., & Hu, C.-D. (2020). Protein arginine methyltransferase 5 promotes pICln-dependent androgen receptor transcription in castration-resistant prostate cancer. Cancer Research. https://doi.org/10.1158/0008-5472.CAN-20-1228 Cite
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Veru Completes Enrollment of Phase II Clinical Trial of VERU-111, Novel Oral Drug for Metastatic Prostate Cancer

Veru Inc. has announced that it has fully enrolled its Phase II clinical study of VERU-111, its novel, oral, alpha and beta tubulin targeting drug for metastatic castration and novel androgen receptor targeting agent resistant prostate cancer. The study enrolled a total of 40 men at 13 clinical sites in the US.
[Veru Inc.]
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