Prostate Cell News Volume 12.40 | Oct 22 2021

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    2021-10-22 | PCN 12.40


    Prostate Cell News by STEMCELL Technologies
    Vol. 12.40 – 22 October, 2021
    TOP STORY

    Human Prostate Cancer Bone Metastases Have an Actionable Immunosuppressive Microenvironment

    The authors defined distinct features of the bone marrow (BM) microenvironment and analyzed single cells from bone metastatic prostate tumors, involved BM, uninvolved BM, and BM from cancer-free, orthopedic patients, and healthy individuals.
    [Cancer Cell]

    AbstractGraphical Abstract
    Free Wallchart: Dynamic Modeling in Organoids
    PUBLICATIONSRanked by the impact factor of the journal

    Loss of FBXO31-Mediated Degradation of DUSP6 Dysregulates ERK and PI3K-AKT Signaling and Promotes Prostate Tumorigenesis

    Scientists reported that low FBXO31 mRNA levels were associated with high pre-operative prostate-specific antigen levels and Gleason grade in human prostate cancer.
    [Cell Reports]

    Full ArticleGraphical Abstract

    The Androgen Receptor—lncRNASAT1-AKT-p15 Axis Mediates Androgen-Induced Cellular Senescence in Prostate Cancer Cells

    Investigators analyzed the underlying molecular pathway and revealed that supraphysiological androgen levels induced cellular senescence in both, castration-sensitive LNCaP and castration-resistant prostate cancer C4-2 cells through the cell cycle inhibitor p15INK4b and increased phosphorylation of AKT.
    [Oncogene]

    Full Article

    HnRNP-L Regulated circCSPP1/miR-520h/EGR1 Axis Modulates Autophagy and Promotes Progression in Prostate Cancer

    Researchers established the biological relevance of circCSPP1 and heterogeneous nuclear ribonucleoprotein L (HnRNP-L) to prostate cancer progression and employed in vitro gain- and loss-of-function experiments.
    [Molecular Therapy-Nucleic Acids]

    AbstractGraphical Abstract

    Development of 2-(5,6,7-Trifluoro-1H-Indol-3-yl)-Quinoline-5-Carboxamide as a Potent, Selective, and Orally Available Inhibitor of Human Androgen Receptor Targeting Its Binding Function-3 for the Treatment of Castration-Resistant Prostate Cancer

    Having demonstrated in vitro efficacy of the androgen receptor antagonist, the authors developed an orally bioavailable prodrug that reduced PSA production and tumor volume in animal models of castration-resistant prostate cancer with no observed toxicity.
    [Journal of Medicinal Chemistry]

    Abstract

    Androgen Receptor Negatively Regulates Mitotic Checkpoint Signaling to Induce Docetaxel Resistance in Castration-Resistant Prostate Cancer

    Scientists demonstrated that androgen receptor dysregulated the mitotic checkpoint, a critical pathway involved in the anticancer action of docetaxel; the standard first-line chemotherapy for patients with metastatic castration-resistant prostate cancer.
    [Prostate]

    Full Article

    Glycoforms of Human Prostate-Specific Membrane Antigen (PSMA) in Human Cells and Prostate Tissue

    Investigators used mass spectrometry and analyzed the distribution of the site-specific glycoforms of prostate-specific membrane antigens in insect, human embryonic kidney, and prostate cancer cells, and in prostate tissue upon immunoaffinity enrichment.
    [Prostate]

    Abstract

    Tryptophan Metabolism Induced by TDO2 Promotes Prostatic Cancer Chemotherapy Resistance in a AhR/C-Myc Dependent Manner

    The authors interupted the Trp metabolism/c-Myc loop which efficiently suppressed the drug resistance induced by TDO2, which represented a potential target in improved outcomes in drug-resistant prostatic cancer treatment.
    [BMC Cancer]

    Full Article

    Antiproliferative, Proapoptotic, and Tumor-Suppressing Effects of the Novel Anticancer Agent Alsevirone in Prostate Cancer Cells and Xenografts

    Researchers explored the mechanisms of action of alsevirone in prostate cancer in vitro and in vivo: CYP17A1 inhibition, cytotoxic, apoptotic, and antitumor effects compared with abiraterone.
    [Archiv Der Pharmazie]

    Abstract

    New human primary cancer-sourced blood products, immune cell subsets, and more. Click to view products.
    REVIEWS

    Prostate Zones and Cancer: Lost in Transition?

    The authors discuss how molecular and cell biological studies can improve understanding of the unique molecular, genomic and zonal cell type features that underlie the differences in tumour progression and aggression between the human prostate zones.
    [Nature Reviews Urology]

    Abstract

    Circular RNAs in Prostate Cancer: Biogenesis, Biological Functions, and Clinical Significance.

    Scientists review the current research status of circular RNAs in prostate cancer (PCa), including potential diagnostic and prognostic biomarkers and clinicopathological features of PCa, including tumor grade, lymph node metastasis, and distant metastasis.
    [Molecular Therapy-Nucleic Acids]

    Full ArticleGraphical Abstract

    Current Treatment Modalities Targeting Tumor Microenvironment in Castration-Resistant Prostate Cancer

    Investigators review the current state of the literature regarding prostate cancer treatment modalities, focusing on the treatment recommendations per the American Urological Association, recent clinical trials, and their limitations.
    [Advances in Experimental Medicine and Biology]

    Abstract
    INDUSTRY AND POLICY NEWS

    BioXcel Therapeutics Announces Expansion of Phase II Trial of BXCL701 in De Novo and Treatment-Emergent Small-Cell Neuroendocrine Prostate Cancer

    BioXcel Therapeutics, Inc. announced that it has expanded its ongoing Phase Ib/II trial of BXCL701 in heavily pre-treated metastatic castration-resistant prostate cancer patients with either de novo or treatment-emergent small-cell neuroendocrine carcinoma.
    [BioXcel Therapeutics, Inc.]

    Press Release

    US Urology Partners Launches Robotic Surgery Institute at Central Ohio Urology Surgery Center, Performs One of First Ambulatory Surgery Center Robotic Prostatectomies in the Nation

    US Urology Partners, Inc. has created a Robotic Surgery Institute at Central Ohio Urology Surgery Center to advance the use of robotics technology in the field of urology. The new Institute was recently the site of one of the first robotic prostatectomies in the nation to be performed at an ambulatory surgery center.
    [US Urology Partners, Inc.]

    Press Release
    FEATURED EVENT

    2nd AACR-KCA Conference on Precision Medicine in Solid Tumors

    November 10 – 11, 2021
    Seoul, Korea & Online

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Research Associate – RNA Biology

    The University of British Columbia – Vancouver, British Columbia, Canada

    Postdoctoral Position – Cancer Biology

    Albert Einstein College of Medicine – Bronx, New York, United States

    Assistant Professor – Cancer Research

    University of Manitoba – Winnipeg, Manitoba, Canada

    Postdoctoral Fellow – Tumor Heterogeneity and Development of Resistant Cancer

    City of Hope – Los Angeles, California, United States

    Postdoctoral Researcher – Tumor Metabolism in Prostate Cancer

    University of California San Francisco – San Francisco, California, United States

    > See All Jobs

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