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Shi F, Wu L, Cui D, Sun M, Shen Y, Zhou Z, Deng Z, Han B, Xia S, Zhu Z, Sun F. LncFALEC recruits ART5/PARP1 and promotes castration-resistant prostate cancer through enhancing PARP1-meditated self PARylation. Cell Oncol (Dordr) 2023; 46:761-776. [PMID: 36913068 DOI: 10.1007/s13402-023-00783-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2023] [Indexed: 03/14/2023] Open
Abstract
Accumulating evidence indicates that long noncoding RNAs (lncRNAs) are abnormal expression in various malignant tumors. Our previous research demonstrated that focally amplified long non-coding RNA (lncRNA) on chromosome 1 (FALEC) is an oncogenic lncRNA in prostate cancer (PCa). However, the role of FALEC in castration-resistant prostate cancer (CRPC) is poorly understood. In this study, we showed FALEC was upregulated in post-castration tissues and CRPC cells, and increased FALEC expression was associated with poor survival in post-castration PCa patients. RNA FISH demonstrated FALEC was translocated into nucleus in CRPC cells. RNA pulldown and followed Mass Spectrometry (MS) assay demonstrated FALEC directly interacted with PARP1 and loss of function assay showed FALEC depletion sensitized CRPC cells to castration treatment and restored NAD+. Specific PARP1 inhibitor AG14361 and NAD+ endogenous competitor NADP+ sensitized FALEC-deleted CRPC cells to castration treatment. FALEC increasing PARP1 meditated self PARylation through recruiting ART5 and down regulation of ART5 decreased CRPC cell viability and restored NAD+ through inhibiting PARP1meditated self PARylation in vitro. Furthermore, ART5 was indispensable for FALEC directly interaction and regulation of PARP1, loss of ART5 impaired FALEC and PARP1 associated self PARylation. In vivo, FALEC depleted combined with PARP1 inhibitor decreased CRPC cell derived tumor growth and metastasis in a model of castration treatment NOD/SCID mice. Together, these results established that FALEC may be a novel diagnostic marker for PCa progression and provides a potential new therapeutic strategy to target the FALEC/ART5/PARP1 complex in CRPC patients.
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Affiliation(s)
- Fei Shi
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China
| | - Lei Wu
- Department of Urology, Shanghai General Hospital, Nanjing Medical University, Shanghai, 200080, China
| | - Di Cui
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China.,Institute of Urology, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Menghao Sun
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China
| | - Yuanhao Shen
- School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Zheng Zhou
- Department of Urology, Shanghai General Hospital, Nanjing Medical University, Shanghai, 200080, China
| | - Zheng Deng
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China
| | - Bangmin Han
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China.,Institute of Urology, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Shujie Xia
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China.,Department of Urology, Shanghai General Hospital, Nanjing Medical University, Shanghai, 200080, China.,Institute of Urology, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Zheng Zhu
- Department of Internal Medicine, Division of Hematology/Oncology, University of California Davis, Sacramento, CA, 95817, USA.
| | - Feng Sun
- Department of Urology, School of Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai, 200080, China. .,Institute of Urology, Shanghai Jiao Tong University, Shanghai, 200080, China.
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Heller G. A modified net reclassification improvement statistic. J Stat Plan Inference 2023; 227:18-33. [PMID: 37035267 PMCID: PMC10079138 DOI: 10.1016/j.jspi.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
The continuous net reclassification improvement (NRI) statistic is a popular model change measure that was developed to assess the incremental value of new factors in a risk prediction model. Two prominent statistical issues identified in the literature call the utility of this measure into question: (1) it is not a proper scoring function and (2) it has a high false positive rate when testing whether new factors contribute to the risk model. For binary response regression models, these subjects are interrogated and a modification of the continuous NRI, guided by the likelihood-based score residual, is proposed to address these issues. Within a nested model framework, the modified NRI may be viewed as a distance measure between two risk models. An application of the modified NRI is illustrated using prostate cancer data.
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van Winden LJ, Lanfermeijer M, Dezentje V, Bergman AM, van der Poel HG, van Rossum HH. Predictive value of low testosterone concentrations during and prior to enzalutamide treatment in metastatic castration-resistant prostate cancer. Urol Oncol 2023; 41:104.e11-104.e17. [PMID: 36379811 DOI: 10.1016/j.urolonc.2022.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 09/13/2022] [Accepted: 09/26/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND Enzalutamide is an effective treatment for metastatic castration-resistant prostate cancer (mCRPC) patients. However, variances in responses are observed and there is a need for biomarkers predicting treatment outcome and selection. In this study, we aimed to explore the predictive value of testosterone for first-line enzalutamide treatment of mCRPC. METHODS A retrospective analysis of 72 mCRPC patients with no prior abiraterone or docetaxel treatment was performed. Serum testosterone was measured using a liquid chromatography tandem-mass spectrometry method. Association of pre- and during-enzalutimide treatment testosterone levels with progression-free survival (PFS) and failure-free survival (FFS) was investigated using univariate and multivariate Cox models. Testosterone levels were dichotomized into a low (Q1) and high (interquartile range-Q4) group. RESULTS Median PFS (7.4 v. 20.8 months, P<0.0001) and FFS (6.6 v. 17.7 months, P<0.0001) were shorter for patients with low testosterone levels (<0.217 nmol/L) during enzalutamide treatment. Furthermore, univariate Cox proportional hazards models revealed that low testosterone levels were associated with shorter PFS (HR 3.5, 95%CI 1.9-6.3; P<0.001) and FFS (HR 3.1, 95%CI 1.7-5.5; P<0.001). Pre-treatment testosterone levels were lower than during-treatment levels (P<0.0001) and low pre-treatment testosterone levels (<0.143 nmol/L) were associated with shorter median PFS (12.6 v. 20.5 months, P<0.01) and FFS (12.6 v. 22.5 months, P<0.01). CONCLUSION The results of this study suggest that low serum testosterone levels during and prior to enzalutamide treatment can predict progression in mCRPC patients and identifies tumors resistant to next-in-line enzalutamide treatment. Validation in a prospective cohort is warranted.
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Affiliation(s)
- Lennart J van Winden
- Department of Laboratory Medicine, Netherlands Cancer Institute, Amsterdam, The Netherlands..
| | - Mirthe Lanfermeijer
- Department of Laboratory Medicine, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Vincent Dezentje
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Andries M Bergman
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Henk G van der Poel
- Department of Urology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Department of Urology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Huub H van Rossum
- Department of Laboratory Medicine, Netherlands Cancer Institute, Amsterdam, The Netherlands
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Cabañero D, Villalba-Riquelme E, Fernández-Ballester G, Fernández-Carvajal A, Ferrer-Montiel A. ThermoTRP channels in pain sexual dimorphism: new insights for drug intervention. Pharmacol Ther 2022; 240:108297. [PMID: 36202261 DOI: 10.1016/j.pharmthera.2022.108297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/25/2022] [Accepted: 09/29/2022] [Indexed: 11/30/2022]
Abstract
Chronic pain is a major burden for the society and remains more prevalent and severe in females. The presence of chronic pain is linked to persistent alterations in the peripheral and the central nervous system. One of the main types of peripheral pain transducers are the transient receptor potential channels (TRP), also known as thermoTRP channels, which intervene in the perception of hot and cold external stimuli. These channels, and especially TRPV1, TRPA1 and TRPM8, have been subjected to profound investigation because of their role as thermosensors and also because of their implication in acute and chronic pain. Surprisingly, their sensitivity to endogenous signaling has been far less studied. Cumulative evidence suggests that the function of these channels may be differently modulated in males and females, in part through sexual hormones, and this could constitute a significant contributor to the sex differences in chronic pain. Here, we review the exciting advances in thermoTRP pharmacology for males and females in two paradigmatic types of chronic pain with a strong peripheral component: chronic migraine and chemotherapy-induced peripheral neuropathy (CIPN). The possibilities of peripheral druggability offered by these channels and the differential exploitation for men and women represent a development opportunity that will lead to a significant increment of the armamentarium of analgesic medicines for personalized chronic pain treatment.
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Affiliation(s)
- David Cabañero
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, 03202 Elche, Spain
| | - Eva Villalba-Riquelme
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, 03202 Elche, Spain
| | - Gregorio Fernández-Ballester
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, 03202 Elche, Spain
| | - Asia Fernández-Carvajal
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, 03202 Elche, Spain
| | - Antonio Ferrer-Montiel
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, 03202 Elche, Spain.
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van Winden LJ, van Rossum HH. Testosterone analysis in prostate cancer patients. Adv Clin Chem 2022; 108:73-104. [PMID: 35659062 DOI: 10.1016/bs.acc.2021.07.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Testosterone is an essential steroid hormone associated with a wide variety of biological processes in humans. In prostate cancer, androgen signaling is an important driver of tumor cell growth. Depletion of gonadal testosterone, achieved by surgical or chemical castration, prevents androgenic signaling and temporally reduces, stops or reverses tumor growth before inevitable progression to castration-resistant prostate cancer occurs. Additional treatment strategies targeting androgenic signaling have become available, although these are without curative intent. While circulating testosterone is also associated with disease risk and potential clinical utility, the main use in the clinical lab is monitoring adequate castration and subsequent resistance to therapy. Adequate castrate testosterone concentrations are currently based on over 50 year-old double-isotope derivative assays that are disputed in automated immunoassay (IA) analysis. The debate has been further fueled with the introduction of mass spectrometry-based assays for testosterone, offering a substantial increase in sensitivity and specificity. In this review, we discuss testosterone regulation and androgen deprivation therapy in prostate cancer. We provide an overview of the developments in testosterone analysis for monitoring adequate castration and resistance to therapy. Current clinical practice and future clinical utility will be discussed. Finally, clinical and research recommendations will be presented.
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Affiliation(s)
- Lennart J van Winden
- Department of Laboratory Medicine, Netherlands Cancer Institute, Amsterdam, The Netherlands.
| | - Huub H van Rossum
- Department of Laboratory Medicine, Netherlands Cancer Institute, Amsterdam, The Netherlands
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Kappler P, Morgan MA, Ivanyi P, Brunotte SJ, Ganser A, Reuter CWM. Prognostic role of docetaxel-induced suppression of free testosterone serum levels in metastatic prostate cancer patients. Sci Rep 2021; 11:16457. [PMID: 34385568 PMCID: PMC8361102 DOI: 10.1038/s41598-021-95874-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 07/30/2021] [Indexed: 11/09/2022] Open
Abstract
To date, only few data concerning the biologically active, free form of testosterone (FT) are available in metastatic prostate cancer (mPC) and the impact of FT on disease, therapy and outcome is largely unknown. We retrospectively studied the effect of docetaxel on FT and total testosterone (TT) serum levels in 67 mPC patients monitored between April 2008 and November 2020. FT and TT levels were measured before and weekly during therapy. The primary endpoint was overall survival (OS). Secondary endpoints were prostate-specific antigen response and radiographic response (PSAR, RR), progression-free survival (PFS), FT/TT levels and safety. Median FT and TT serum levels were completely suppressed to below the detection limit during docetaxel treatment (FT: from 0.32 to < 0.18 pg/mL and TT: from 0.12 to < 0.05 ng/mL, respectively). Multivariate Cox regression analyses identified requirement of non-narcotics, PSAR, complete FT suppression and FT nadir values < 0.18 pg/mL as independent parameters for PFS. Prior androgen-receptor targeted therapy (ART), soft tissue metastasis and complete FT suppression were independent prognostic factors for OS. FT was not predictive for treatment outcome in mPC patients with a history of ART.
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Affiliation(s)
- Paula Kappler
- Department of Hematology, Hemostaseology, Oncology, and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Michael A Morgan
- Institute of Experimental Hematology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Philipp Ivanyi
- Department of Hematology, Hemostaseology, Oncology, and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Stefan J Brunotte
- Department of Hematology, Hemostaseology, Oncology, and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Arnold Ganser
- Department of Hematology, Hemostaseology, Oncology, and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Christoph W M Reuter
- Department of Hematology, Hemostaseology, Oncology, and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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Molecular Profiling of Docetaxel-Resistant Prostate Cancer Cells Identifies Multiple Mechanisms of Therapeutic Resistance. Cancers (Basel) 2021; 13:cancers13061290. [PMID: 33799432 PMCID: PMC7998254 DOI: 10.3390/cancers13061290] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/02/2021] [Accepted: 03/09/2021] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Therapeutic options for the treatment of men with metastatic castration-resistant prostate cancer are limited. Docetaxel—a taxane-based chemotherapeutic agent—was the first treatment to demonstrate significant efficacy in the treatment of this disease. However, responses to docetaxel are frequently curtailed by development of drug resistance, and patients eventually succumb to disease progression due to acquisition of drug resistance. In this study, we established drug-resistant prostate cancer cell lines and identified several mechanisms that may be associated with the development of drug resistance in prostate cancer. Actioning these mechanisms could provide a potential approach to re-sensitize drug-resistant cancer cells to docetaxel treatment and thereby further add to the life-prolonging effects of this drug in men with metastatic castration-resistant prostate cancer. Abstract Docetaxel—a taxane-based chemotherapeutic agent—was the first treatment to demonstrate significant improvements in overall survival in men with metastatic castration-resistant prostate cancer (mCRPC). However, the response to docetaxel is generally short-lived, and relapse eventually occurs due to the development of resistance. To explore the mechanisms of acquired docetaxel resistance in prostate cancer (PCa) and set these in the context of androgen deprivation therapy, we established docetaxel-resistant PCa cell lines, derived from the androgen-dependent LNCaP cell line, and from the LNCaP lineage-derived androgen-independent C4-2B sub-line. We generated two docetaxel-resistant LNCaPR and C4-2BR sub-lines, with IC50 values 77- and 50-fold higher than those of the LNCaP and C4-2B parental cells, respectively. We performed gene expression analysis of the matched sub-lines and found several alterations that may confer docetaxel resistance. In addition to increased expression of ABCB1, an ATP-binding cassette (ABC) transporter, and a well-known gene associated with development of docetaxel resistance, we identified genes associated with androgen signaling, cell survival, and overexpression of ncRNAs. In conclusion, we identified multiple mechanisms that may be associated with the development of taxane drug resistance in PCa. Actioning these mechanisms could provide a potential approach to re-sensitization of docetaxel-resistant PCa cells to docetaxel treatment and thereby further add to the life-prolonging effects of this drug in men with mCRPC.
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Wang D, Shao Y, Zhang X, Lu G, Liu B. IL-23 and PSMA-targeted duo-CAR T cells in Prostate Cancer Eradication in a preclinical model. J Transl Med 2020; 18:23. [PMID: 31937346 PMCID: PMC6961333 DOI: 10.1186/s12967-019-02206-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 12/31/2019] [Indexed: 12/19/2022] Open
Abstract
Background Prostate cancer is one of the most common adult malignancies in men, and nearly all patients with metastatic prostate cancer can develop and receive resistance to primary androgen deprivation therapy (ADT), a state known as metastatic castration-resistant prostate cancer (mCRPC). Recent reports demonstrated the great breakthroughs made by the chimeric antigen receptor T (CAR-T) cell therapy, which is significantly different from traditional T cells therapies. In spite of the progress of CAR-T technology in the treatment of lymphoma, leukemia, and other blood system tumor, there are still many difficulties in the treatment of solid tumors by CAR-T technology. Methods In this report, we designed a panel of IL23mAb-PSMA-CARs, including PSMA-CAR, IL23mAb-T2A-PSMA-CAR, IL23mAb-PSMA-CAR, and PSMA-CAR (soluble IL23mAb). And we studied the function of these CARs in mice model. Results Co-culture experiments with different CAR T cells have normal lysis function in vitro. The duo-CAR T cells co-expressing the IL-23mAb and PSMA-mAb had a significant higher population than the rest three different CAR T cells in co-culturing experiments at day 28, 35 and 42. A panel of cytokines were differentially secreted at higher amounts in IL23mAb-T2A-PSMA-CAR T cells than CAR T cells in other groups. In NOD/SCID IL-2 gamma (NSG) mice model, IL23mAb-T2A-PSMA-CAR T cells functioned significantly better than CAR T cells from the other groups and eradicated the tumor from these mice starting at day 14 post T cells injection and regained the body weight immediately. In IL23mAb-T2A-PSMA-CAR mice, CD45RO+ CD8+ T cells and CD127+ CD4+ CAR T cells were significantly increased. RNA sequencing revealed a difference expression pattern of genes in IL23mAb-T2A-PSMA-CAR mice. A reverse infusion experiment under the same model further proved the tumor eradication function of IL23mAb-T2A-PSMA-CAR T cells. Conclusions We found that IL-23mAb combined PSMA CARs worked better than PSMA CAR only in Prostate Cancer Eradication, and we further discussed the mechanisms among different IL-23mAb combined PSMA CARs in Prostate Cancer Eradication.
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Affiliation(s)
- Dawei Wang
- Department of Urology, Ruijin Hospital North, School of Medicine, Shanghai Jiao Tong University, No.999, Xiwang Road Jiading District, Shanghai, 201800, China
| | - Yuan Shao
- Department of Urology, Ruijin Hospital North, School of Medicine, Shanghai Jiao Tong University, No.999, Xiwang Road Jiading District, Shanghai, 201800, China.
| | - Xiang Zhang
- Department of Urology, Ruijin Hospital North, School of Medicine, Shanghai Jiao Tong University, No.999, Xiwang Road Jiading District, Shanghai, 201800, China
| | - Guoliang Lu
- Department of Urology, Ruijin Hospital North, School of Medicine, Shanghai Jiao Tong University, No.999, Xiwang Road Jiading District, Shanghai, 201800, China
| | - Boke Liu
- Department of Urology, Ruijin Hospital North, School of Medicine, Shanghai Jiao Tong University, No.999, Xiwang Road Jiading District, Shanghai, 201800, China
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