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Palecki J, Bhasin A, Bernstein A, Mille PJ, Tester WJ, Kelly WK, Zarrabi KK. T-Cell redirecting bispecific antibodies: a review of a novel class of immuno-oncology for advanced prostate cancer. Cancer Biol Ther 2024; 25:2356820. [PMID: 38801069 PMCID: PMC11135853 DOI: 10.1080/15384047.2024.2356820] [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: 01/07/2024] [Accepted: 05/14/2024] [Indexed: 05/29/2024] Open
Abstract
Novel T-cell immunotherapies such as bispecific T-cell engagers (BiTEs) are emerging as promising therapeutic strategies for prostate cancer. BiTEs are engineered bispecific antibodies containing two distinct binding domains that allow for concurrent binding to tumor-associated antigens (TAAs) as well as immune effector cells, thus promoting an immune response against cancer cells. Prostate cancer is rich in tumor associated antigens such as, but not limited to, PSMA, PSCA, hK2, and STEAP1 and there is strong biologic rationale for employment of T-cell redirecting BiTEs within the prostate cancer disease space. Early generation BiTE constructs employed in clinical study have demonstrated meaningful antitumor activity, but challenges related to drug delivery, immunogenicity, and treatment-associated adverse effects limited their success. The ongoing development of novel BiTE constructs continues to address these barriers and to yield promising results in terms of efficacy and safety. This review will highlight some of most recent developments of BiTE therapies for patients with advanced prostate cancer and the evolving data surrounding BiTE constructs undergoing clinical evaluation.
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Affiliation(s)
- Julia Palecki
- Department of Internal Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Amman Bhasin
- Department of Internal Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Andrew Bernstein
- Department of Internal Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Patrick J. Mille
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - William J. Tester
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Wm. Kevin Kelly
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Kevin K. Zarrabi
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
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2
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Chen X, Zhang MY, Ji XL, Li R, Wang QX, Qu YQ. A novel nomogram model for lung adenocarcinoma subtypes based on RNA-modification regulatory genes. Heliyon 2024; 10:e33106. [PMID: 39022104 PMCID: PMC11252981 DOI: 10.1016/j.heliyon.2024.e33106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 06/07/2024] [Accepted: 06/13/2024] [Indexed: 07/20/2024] Open
Abstract
Background In non-small cell lung cancer (NSCLC), lung adenocarcinoma (LUAD) is the most common subtype. RNA modification has become the frontier and hotspot of current tumor research. Results In this study, 109 genes that regulate RNA modifications were identified according to The Cancer Genome Atlas (TCGA). A differential gene expression analysis identified 46 differentially expressed RNA modification regulatory genes (DERRGs). LUAD samples were stratified into two distinct clusters based on the expression of these DERRGs. A significant correlation was observed between these clusters and patient survival rates, as well as clinical features. Furthermore, a four-DERRG signature (EIF3B, HNRNPC, IGF2BP1, and METTL3) developed using LASSO regression. According to the calculated risk scores from this signature, LUAD patients were categorized into high-risk and low-risk groups. Patients in the low-risk group exhibited a more favorable prognosis. A prognostic nomogram was crafted, integrating the four-DERRGs signature with clinical parameters. The nomogram was revealed that OS, age, clinical stage, immune cell infiltration, and immune checkpoint molecule expression were significantly linked to the OS of LUAD. GSEA analysis found that the DERRGs were primarily regulated immune pathways. Conclusions This study developed four DERRGs signatures and formulated a nomogram model for precise prognosis estimation in LUAD patients. The study's insights are instrumental for advancing diagnosis, prognosis, and therapeutic strategies for LUAD.
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Affiliation(s)
- Xiao Chen
- Department of Pulmonary and Critical Care Medicine, Tai'an City Central Hospital, Tai'an, China
| | - Meng-Yu Zhang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Xiu-Li Ji
- Department of Pulmonary Disease, Jinan Traditional Chinese Medicine Hospital, Jinan, China
| | - Rui Li
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Qing-Xiang Wang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Yi-Qing Qu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
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3
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Sani F, Shojaei S, Tabatabaei SA, Khorraminejad-Shirazi M, Latifi M, Sani M, Azarpira N. CAR-T cell-derived exosomes: a new perspective for cancer therapy. Stem Cell Res Ther 2024; 15:174. [PMID: 38886844 PMCID: PMC11184895 DOI: 10.1186/s13287-024-03783-4] [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: 02/07/2024] [Accepted: 06/04/2024] [Indexed: 06/20/2024] Open
Abstract
Chimeric antigen receptor (CAR)-T cell adoptive immunotherapy is a promising cancer treatment that uses genetically engineered T cells to attack tumors. However, this therapy can have some adverse effects. CAR-T cell-derived exosomes are a potential alternative to CAR-T cells that may overcome some limitations. Exosomes are small vesicles released by cells and can carry a variety of molecules, including proteins, RNA, and DNA. They play an important role in intercellular communication and can be used to deliver therapeutic agents to cancer cells. The application of CAR-T cell-derived exosomes could make CAR-T cell therapy more clinically controllable and effective. Exosomes are cell-free, which means that they are less likely to cause adverse reactions than CAR-T cells. The combination of CAR-T cells and exosomes may be a more effective way to treat cancer than either therapy alone. Exosomes can deliver therapeutic agents to cancer cells where CAR-T cells cannot reach. The appropriate application of both cellular and exosomal platforms could make CAR-T cell therapy a more practicable treatment for cancer. This combination therapy could offer a safe and effective way to treat a variety of cancers.
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Affiliation(s)
- Farnaz Sani
- Shiraz Institute for Stem Cell & Regenerative Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shabnam Shojaei
- School of Medicine, Shiraz Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Mohammadhossein Khorraminejad-Shirazi
- Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student research committee, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pathology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Mona Latifi
- Department of Physiological Science, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
| | - Mahsa Sani
- Shiraz Institute for Stem Cell & Regenerative Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Negar Azarpira
- Shiraz Institute for Stem Cell & Regenerative Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
- Transplant Research Center, Shiraz University of Medical Sciences, Khalili Street, P.O. Box: 7193711351, Shiraz, Iran.
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Zhang J, Ye Q, Yang X, Li T, Huang S, Zhou P, Feng Y, Liu H, Xie K. Dual immunotherapy alternating with anti-PD-1 antibody plus liposomal doxorubicin show good efficacy in prostate epithelioid hemangioendothelioma: a case report. Front Immunol 2024; 15:1384111. [PMID: 38947327 PMCID: PMC11211375 DOI: 10.3389/fimmu.2024.1384111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 05/27/2024] [Indexed: 07/02/2024] Open
Abstract
Epithelioid hemangioendothelioma is a rare vascular malignancy, and currently, there is no standard treatment regimen for this disease and existing treatment options have limited efficacy. In this case report, we present a patient with lung and lymph node metastases from prostate epithelioid hemangioendothelioma who achieved a significant partial response. This was accomplished through alternating nivolumab therapy with ipilimumab and liposomal doxorubicin, resulting in a progression-free-survival more than 6 months to date. The treatment was well-tolerated throughout. Our report suggests that dual immunotherapy alternating with anti-PD-1antibody plus doxorubicin may be a potential treatment modality for epithelioid hemangioendothelioma. However, larger sample studies are necessary to ascertain the effectiveness of this treatment strategy and it is essential to continue monitoring this patient to sustain progression-free survival and overall survival.
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Affiliation(s)
- Jie Zhang
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
- Department of Oncology, Chengdu BOE Hospital, Chengdu, Sichuan, China
| | - Qin Ye
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Xudan Yang
- Department of Pathology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Tenglong Li
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Shan Huang
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Ping Zhou
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Yumei Feng
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Hao Liu
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Ke Xie
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
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5
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Fan Y, Ge Y, Niu K, Li Y, Qi LW, Zhu H, Ma G. MLXIPL associated with tumor-infiltrating CD8+ T cells is involved in poor prostate cancer prognosis. Front Immunol 2024; 15:1364329. [PMID: 38698844 PMCID: PMC11063283 DOI: 10.3389/fimmu.2024.1364329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/01/2024] [Indexed: 05/05/2024] Open
Abstract
Introduction Within tumor microenvironment, the presence of preexisting antitumor CD8+ T Q7 cells have been shown to be associated with a favorable prognosis in most solid cancers. However, in the case of prostate cancer (PCa), they have been linked to a negative impact on prognosis. Methods To gain a deeper understanding of the contribution of infiltrating CD8+ T cells to poor prognosis in PCa, the infiltration levelsof CD8+ T cells were estimated using the TCGA PRAD (The Cancer Genome Atlas Prostate Adenocarcinoma dataset) and MSKCC (Memorial Sloan Kettering Cancer Center) cohorts. Results Bioinformatic analyses revealed that CD8+ T cells likely influence PCa prognosis through increased expression of immune checkpoint molecules and enhanced recruitment of regulatory T cells. The MLXIPL was identified as the gene expressed in response to CD8+ T cell infiltration and was found to be associated with PCa prognosis. The prognostic role of MLXIPL was examined in two cohorts: TCGA PRAD (p = 2.3E-02) and the MSKCC cohort (p = 1.6E-02). Subsequently, MLXIPL was confirmed to be associated with an unfavorable prognosis in PCa, as evidenced by an independent cohort study (hazard ratio [HR] = 2.57, 95% CI: 1.42- 4.65, p = 1.76E-03). Discussion In summary, the findings suggested that MLXIPL related to tumor-infiltrating CD8+ T cells facilitated a poor prognosis in PCa.
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Affiliation(s)
- Yuanming Fan
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yuqiu Ge
- Department of Public Health and Preventive Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Kaiming Niu
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ying Li
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Lian-Wen Qi
- The Clinical Metabolomics Center, China Pharmaceutical University, Nanjing, China
| | - Haixia Zhu
- Clinical Laboratory, Tumor Hospital Affiliated to Nantong University, Nantong, China
| | - Gaoxiang Ma
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Oncology, Pukou Hospital of Chinese Medicine affiliated to China Pharmaceutical University, Nanjing, China
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Chen T, Wang M, Chen Y, Liu Y. Current challenges and therapeutic advances of CAR-T cell therapy for solid tumors. Cancer Cell Int 2024; 24:133. [PMID: 38622705 PMCID: PMC11017638 DOI: 10.1186/s12935-024-03315-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 03/26/2024] [Indexed: 04/17/2024] Open
Abstract
The application of chimeric antigen receptor (CAR) T cells in the management of hematological malignancies has emerged as a noteworthy therapeutic breakthrough. Nevertheless, the utilization and effectiveness of CAR-T cell therapy in solid tumors are still limited primarily because of the absence of tumor-specific target antigen, the existence of immunosuppressive tumor microenvironment, restricted T cell invasion and proliferation, and the occurrence of severe toxicity. This review explored the history of CAR-T and its latest advancements in the management of solid tumors. According to recent studies, optimizing the design of CAR-T cells, implementing logic-gated CAR-T cells and refining the delivery methods of therapeutic agents can all enhance the efficacy of CAR-T cell therapy. Furthermore, combination therapy shows promise as a way to improve the effectiveness of CAR-T cell therapy. At present, numerous clinical trials involving CAR-T cells for solid tumors are actively in progress. In conclusion, CAR-T cell therapy has both potential and challenges when it comes to treating solid tumors. As CAR-T cell therapy continues to evolve, further innovations will be devised to surmount the challenges associated with this treatment modality, ultimately leading to enhanced therapeutic response for patients suffered solid tumors.
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Affiliation(s)
- Tong Chen
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 17 Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China
| | - Mingzhao Wang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 17 Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China
| | - Yanchao Chen
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 17 Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China
| | - Yutao Liu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 17 Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China.
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7
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Shi Y, Adu-Amankwaah J, Zhao Q, Li X, Yu Q, Bushi A, Yuan J, Tan R. Long non-coding RNAs in drug resistance across the top five cancers: Update on their roles and mechanisms. Heliyon 2024; 10:e27207. [PMID: 38463803 PMCID: PMC10923722 DOI: 10.1016/j.heliyon.2024.e27207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 03/12/2024] Open
Abstract
Cancer drug resistance stands as a formidable obstacle in the relentless fight against the top five prevalent cancers: breast, lung, colorectal, prostate, and gastric cancers. These malignancies collectively account for a significant portion of cancer-related deaths worldwide. In recent years, long non-coding RNAs (lncRNAs) have emerged as pivotal players in the intricate landscape of cancer biology, and their roles in driving drug resistance are steadily coming to light. This comprehensive review seeks to underscore the paramount significance of lncRNAs in orchestrating resistance across a spectrum of different cancer drugs, including platinum drugs (DDP), tamoxifen, trastuzumab, 5-fluorouracil (5-FU), paclitaxel (PTX), and Androgen Deprivation Therapy (ADT) across the most prevalent types of cancer. It delves into the multifaceted mechanisms through which lncRNAs exert their influence on drug resistance, shedding light on their regulatory roles in various facets of cancer biology. A comprehensive understanding of these lncRNA-mediated mechanisms may pave the way for more effective and personalized treatment strategies, ultimately improving patient outcomes in these challenging malignancies.
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Affiliation(s)
- Yue Shi
- Department of Physiology, Basic Medical School, Xuzhou Medical University, Xuzhou, China
| | - Joseph Adu-Amankwaah
- Department of Physiology, Basic Medical School, Xuzhou Medical University, Xuzhou, China
| | - Qizhong Zhao
- Department of Emergency, The First Hospital of China Medical University, Shenyang, China
| | - Xin Li
- Clinical Medical College, Jining Medical University, 272067, Jining, China
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, 272067, Jining, China
| | - Qianxue Yu
- Clinical Medical College, Jining Medical University, 272067, Jining, China
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, 272067, Jining, China
| | - Aisha Bushi
- School of International Education, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, China
| | - Jinxiang Yuan
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, 272067, Jining, China
- Lin He's Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, 272067, Jining, China
| | - Rubin Tan
- Department of Physiology, Basic Medical School, Xuzhou Medical University, Xuzhou, China
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Li C, Xiao Y, Cao H, Chen Y, Li S, Yin F. Cuproptosis Regulates Microenvironment and Affects Prognosis in Prostate Cancer. Biol Trace Elem Res 2024; 202:99-110. [PMID: 37155084 DOI: 10.1007/s12011-023-03668-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 04/11/2023] [Indexed: 05/10/2023]
Abstract
Current immunotherapy for prostate cancer is still in the stage of clinical trials. This delay is thought to be caused by an unclear regulatory mechanism of the immune microenvironment, which makes it impossible to distinguish patients suitable for immunotherapy. Cuprotosis may be related to the heterogeneity of immune microenvironment, which was regarded as a new copper-dependent cell death mode, was proposed, and gain attention. We explored for the first time the relationship between cuprotosis and the immune microenvironment of prostate cancer and constructed cuprotosis score. RNA sequencing data sets for prostate cancer were downloaded from public databases. Consensus clustering was applied to distinguish cuprotosis phenotype based on the expression of cuproptosis-related genes (CRGs) identified as prognostic factors. Genomic phenotypes of CRG clusters were depicted via consensus clustering. Cuprotosis score was established on the basis of differentially expressed genes (DEGs) identified as prognostic factors via principal component analysis. Cuprotosis score = the first principal component of prognostic factors + the second principal component of prognostic factors. The value of cuproptosis score in predicting prognosis and immunotherapy response was evaluated. PDHA1 (HR = 3.86, P < 0.001) and GLS (HR = 1.75, P = 0.018) were risk factors for prognosis of prostate cancer patients, while DBT (HR = 0.66, P = 0.048) was a favorable factor for prognosis of prostate cancer patients. CRG clusters had different prognosis and immune cell infiltration. So as gene clusters. Prostate cancer patients with low cuprotosis score showed better prognosis for biochemical relapse-free survival. Cuprotosis score is accompanied with high immune score and Gleason score. As cuprotosis genes, PDHA1, GLS, and DBT were identified as independent prognostic factors of prostate cancer. Cuprotosis score was established via principal component analysis of PDHA1, GLS, and DBT, which can be used as a predictor of prognosis and immunotherapy response of prostate cancer patients, and can characterize immune cells infiltration in tumors. Cuproptosis was involved in the regulation of immune microenvironment, which may depend on the effect of tricarboxylic acid cycle. Our study provided clues to reveal the relationship between copper death and immune microenvironment, highlighted the clinical significance of cuproptosis, and provided a reference for the development of personalized immunotherapy.
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Affiliation(s)
- Chao Li
- Department of Urology, Shijiazhuang People's Hospital, 9 Fangbei Road, Shijiazhuang, 050011, Hebei Province, China
| | - Yongqiang Xiao
- Department of Urology, Shijiazhuang People's Hospital, 9 Fangbei Road, Shijiazhuang, 050011, Hebei Province, China
| | - Heran Cao
- Department of Urology, Shijiazhuang People's Hospital, 9 Fangbei Road, Shijiazhuang, 050011, Hebei Province, China
| | - Yan Chen
- Department of Urology, Shijiazhuang People's Hospital, 9 Fangbei Road, Shijiazhuang, 050011, Hebei Province, China
| | - Shen Li
- Department of Urology, Shijiazhuang People's Hospital, 9 Fangbei Road, Shijiazhuang, 050011, Hebei Province, China
| | - Fengchao Yin
- Department of Urology, Shijiazhuang People's Hospital, 9 Fangbei Road, Shijiazhuang, 050011, Hebei Province, China.
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Peng Q, Xie T, Wang Y, Ho VWS, Teoh JYC, Chiu PKF, Ng CF. GLIS1, Correlated with Immune Infiltrates, Is a Potential Prognostic Biomarker in Prostate Cancer. Int J Mol Sci 2023; 25:489. [PMID: 38203661 PMCID: PMC10779070 DOI: 10.3390/ijms25010489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/09/2023] [Accepted: 12/24/2023] [Indexed: 01/12/2024] Open
Abstract
Prostate cancer (PCa) is a prevalent malignant disease and the primary reason for cancer-related mortality among men globally. GLIS1 (GLIS family zinc finger 1) is a key regulator in various pathologies. However, the expression pattern, clinical relevance, and immunomodulatory function of GLIS1 in PCa remain unclear. In this study, GLIS1 was discovered to serve as a key gene in PCa by integrating mRNA and miRNA expression profiles from GEO database. We systematically explored the expression and prognostic values of GLIS1 in cancers using multiple databases. Additionally, we examined the functions of GLIS1 and the relationship between GLIS1 expression levels and immune infiltration in PCa. Results showed that GLIS1 was differentially expressed between normal and tumor tissues in various cancer types and was significantly low-expressed in PCa. Low GLIS1 expression was associated with poor PCa prognosis. GLIS1 was also involved in the activation, proliferation, differentiation, and migration of immune cells, and its expression showed a positive correlation with the infiltration of various immune cells. Moreover, GLIS1 expression was positively associated with various chemokines/chemokine receptors, indicating the involvement in regulating immune cell migration. In summary, GLIS1 is a potential prognostic biomarker and a therapeutic target to modulate anti-tumor immune response in PCa.
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Affiliation(s)
| | | | | | | | | | - Peter Ka-Fung Chiu
- SH Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China; (Q.P.); (T.X.); (Y.W.); (V.W.-S.H.); (J.Y.-C.T.)
| | - Chi-Fai Ng
- SH Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China; (Q.P.); (T.X.); (Y.W.); (V.W.-S.H.); (J.Y.-C.T.)
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10
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Lin C, Chen Y, Shi L, Lin H, Xia H, Yin W. Advances in bio-immunotherapy for castration-resistant prostate cancer. J Cancer Res Clin Oncol 2023; 149:13451-13458. [PMID: 37460807 DOI: 10.1007/s00432-023-05152-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 07/09/2023] [Indexed: 10/20/2023]
Abstract
Prostate cancer is one of the significant diseases that threaten the survival of men worldwide, with the progression of androgen deprivation therapy, become much rely on it, finally, developed into castration-resistant prostate cancer (ADT). In western countries, ranks second in incidence, and in China, with increasing lifespan, the incidence of prostate cancer is rising steadily. Although chemotherapy agents, such as taxane, have achieved some efficacy, treatment failure still occur. As sensitivity of hormone levels change, the disease can progress to castrate-resistant prostate cancer. Because of the poor efficacy of traditional surgery, endocrine therapy, radiation therapy, and chemotherapy, the treatment options for castrate-resistant prostate cancer are limited. Advanced prostate cancer can progress on immunotherapy, and thus, bio -immunotherapy targeting the unique, prostate microenvironment is an important option. In this paper, we systematically revealed the role of three types of bio-immunotherapies (immune checkpoint inhibitors, tumors, vaccines, cytokines) in castrate-resistant prostate cancer, providing a reference for clinical treatment of prostate cancer.
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Affiliation(s)
- Canling Lin
- Yichun University, Yichun, 336000, Jiangxi, China
| | - Yonghui Chen
- Yichun University, Yichun, 336000, Jiangxi, China
| | - Liji Shi
- Yichun University, Yichun, 336000, Jiangxi, China
| | - Huarong Lin
- The Graduate School of Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Hongmei Xia
- Department of Oncology, The People's Hospital of Yichun Affiliated to Clinical Medicine School, Yichun, 336000, Jiangxi, China
| | - Weihua Yin
- Department of Oncology, The People's Hospital of Yichun Affiliated to Clinical Medicine School, Yichun, 336000, Jiangxi, China.
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11
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Noori M, Azizi S, Mahjoubfar A, Abbasi Varaki F, Fayyaz F, Mousavian AH, Bashash D, Kardoust Parizi M, Kasaeian A. Efficacy and safety of immune checkpoint inhibitors for patients with prostate cancer: a systematic review and meta-analysis. Front Immunol 2023; 14:1181051. [PMID: 38022569 PMCID: PMC10644317 DOI: 10.3389/fimmu.2023.1181051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 09/04/2023] [Indexed: 12/01/2023] Open
Abstract
Immunotherapy has revolutionized the treatment paradigm of many cancers, however, its effectiveness in prostate cancer patients is still under question. In the present systematic review and meta-analysis, we sought for assessing the efficacy and safety of Immune checkpoint inhibitors (ICIs) in patients with prostate cancer. PubMed, Scopus, Web of Science, and EMBASE databases were searched on Aguste 19, 2022. Thirty five studies met the eligibility criteria. The median overall survival (mOS) of all treatments was 14.1 months, with the longest and shortest mOS was seen among patients who received anti-CTLA-4 monotherapy and anti-PD-1/PD-L1+anti-CTLA-4 regimen at 24.9 and 9.2 months, respectively. Noteworthy, all types of adverse events had the lowest incidence in the anti-PD-1/PD-L1 monotherapy group. Considering the ICI monotherapy regimens, we found that fatigue, diarrhea, and infusion reaction had the highest incidence rates. Future studies evaluating the efficacy and safety of novel combination therapies with ICIs are warranted.
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Affiliation(s)
- Maryam Noori
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Hematology, Oncology and Stem Cell Transplantation Research Center, Research Institute for Oncology, Hematology and Cell Therapy, Tehran University of Medical Sciences, Tehran, Iran
| | - Shadi Azizi
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Aref Mahjoubfar
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Farhan Abbasi Varaki
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Farimah Fayyaz
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Amir-Hossein Mousavian
- Hematology, Oncology and Stem Cell Transplantation Research Center, Research Institute for Oncology, Hematology and Cell Therapy, Tehran University of Medical Sciences, Tehran, Iran
- Digestive Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Kardoust Parizi
- Department of Urology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Amir Kasaeian
- Hematology, Oncology and Stem Cell Transplantation Research Center, Research Institute for Oncology, Hematology and Cell Therapy, Tehran University of Medical Sciences, Tehran, Iran
- Digestive Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Clinical Research Development Unit, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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12
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He M, Cao Y, Chi C, Zhao J, Chong E, Chin KXC, Tan NZV, Dmitry K, Yang G, Yang X, Hu K, Enikeev M. Unleashing novel horizons in advanced prostate cancer treatment: investigating the potential of prostate specific membrane antigen-targeted nanomedicine-based combination therapy. Front Immunol 2023; 14:1265751. [PMID: 37795091 PMCID: PMC10545965 DOI: 10.3389/fimmu.2023.1265751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 09/04/2023] [Indexed: 10/06/2023] Open
Abstract
Prostate cancer (PCa) is a prevalent malignancy with increasing incidence in middle-aged and older men. Despite various treatment options, advanced metastatic PCa remains challenging with poor prognosis and limited effective therapies. Nanomedicine, with its targeted drug delivery capabilities, has emerged as a promising approach to enhance treatment efficacy and reduce adverse effects. Prostate-specific membrane antigen (PSMA) stands as one of the most distinctive and highly selective biomarkers for PCa, exhibiting robust expression in PCa cells. In this review, we explore the applications of PSMA-targeted nanomedicines in advanced PCa management. Our primary objective is to bridge the gap between cutting-edge nanomedicine research and clinical practice, making it accessible to the medical community. We discuss mainstream treatment strategies for advanced PCa, including chemotherapy, radiotherapy, and immunotherapy, in the context of PSMA-targeted nanomedicines. Additionally, we elucidate novel treatment concepts such as photodynamic and photothermal therapies, along with nano-theragnostics. We present the content in a clear and accessible manner, appealing to general physicians, including those with limited backgrounds in biochemistry and bioengineering. The review emphasizes the potential benefits of PSMA-targeted nanomedicines in enhancing treatment efficiency and improving patient outcomes. While the use of PSMA-targeted nano-drug delivery has demonstrated promising results, further investigation is required to comprehend the precise mechanisms of action, pharmacotoxicity, and long-term outcomes. By meticulous optimization of the combination of nanomedicines and PSMA ligands, a novel horizon of PSMA-targeted nanomedicine-based combination therapy could bring renewed hope for patients with advanced PCa.
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Affiliation(s)
- Mingze He
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Yu Cao
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Changliang Chi
- Department of Urology, First Hospital of Jilin University, Changchun, China
| | - Jiang Zhao
- Department of Urology, Xi’an First Hospital, Xi’an, China
| | - Eunice Chong
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Ke Xin Casey Chin
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Nicole Zian Vi Tan
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Korolev Dmitry
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Guodong Yang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Xinyi Yang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Kebang Hu
- Department of Urology, First Hospital of Jilin University, Changchun, China
| | - Mikhail Enikeev
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
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13
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Porter LH, Zhu JJ, Lister NL, Harrison SG, Keerthikumar S, Goode DL, Urban RQ, Byrne DJ, Azad A, Vela I, Hofman MS, Neeson PJ, Darcy PK, Trapani JA, Taylor RA, Risbridger GP. Low-dose carboplatin modifies the tumor microenvironment to augment CAR T cell efficacy in human prostate cancer models. Nat Commun 2023; 14:5346. [PMID: 37660083 PMCID: PMC10475084 DOI: 10.1038/s41467-023-40852-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 08/11/2023] [Indexed: 09/04/2023] Open
Abstract
Chimeric antigen receptor (CAR) T cells have transformed the treatment landscape for hematological malignancies. However, CAR T cells are less efficient against solid tumors, largely due to poor infiltration resulting from the immunosuppressive nature of the tumor microenvironment (TME). Here, we assessed the efficacy of Lewis Y antigen (LeY)-specific CAR T cells in patient-derived xenograft (PDX) models of prostate cancer. In vitro, LeY CAR T cells directly killed organoids derived from androgen receptor (AR)-positive or AR-null PDXs. In vivo, although LeY CAR T cells alone did not reduce tumor growth, a single prior dose of carboplatin reduced tumor burden. Carboplatin had a pro-inflammatory effect on the TME that facilitated early and durable CAR T cell infiltration, including an altered cancer-associated fibroblast phenotype, enhanced extracellular matrix degradation and re-oriented M1 macrophage differentiation. In a PDX less sensitive to carboplatin, CAR T cell infiltration was dampened; however, a reduction in tumor burden was still observed with increased T cell activation. These findings indicate that carboplatin improves the efficacy of CAR T cell treatment, with the extent of the response dependent on changes induced within the TME.
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Affiliation(s)
- L H Porter
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute, Cancer Program, Department of Anatomy and Developmental Biology, Monash University, Clayton, VIC, 3800, Australia
| | - J J Zhu
- Cancer Immunology Program, Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - N L Lister
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute, Cancer Program, Department of Anatomy and Developmental Biology, Monash University, Clayton, VIC, 3800, Australia
| | - S G Harrison
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute, Cancer Program, Department of Physiology, Monash University, Clayton, VIC, 3800, Australia
| | - S Keerthikumar
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
- Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Computational Cancer Biology Program, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
| | - D L Goode
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
- Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Computational Cancer Biology Program, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
| | - R Quezada Urban
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
- Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Computational Cancer Biology Program, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
| | - D J Byrne
- Department of Pathology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - A Azad
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
| | - I Vela
- Queensland Bladder Cancer Initiative, School of Biomedical Science, Faculty of Health, Queensland University of Technology, Brisbane, QLD, 4102, Australia
- Australian Prostate Cancer Research Center, School of Biomedical Science, Faculty of Health, Queensland University of Technology, Brisbane, QLD, 4102, Australia
- Department of Urology, Princess Alexandra Hospital, Brisbane, QLD, 4102, Australia
| | - M S Hofman
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
- Molecular Imaging and Therapeutic Nuclear Medicine, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Prostate Cancer Theranostics and Imaging Centre of Excellence (ProsTIC), Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
| | - P J Neeson
- Cancer Immunology Program, Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - P K Darcy
- Cancer Immunology Program, Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - J A Trapani
- Cancer Immunology Program, Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - R A Taylor
- Cancer Immunology Program, Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia.
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia.
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute, Cancer Program, Department of Physiology, Monash University, Clayton, VIC, 3800, Australia.
- Prostate Cancer Theranostics and Imaging Centre of Excellence (ProsTIC), Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia.
| | - G P Risbridger
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute, Cancer Program, Department of Anatomy and Developmental Biology, Monash University, Clayton, VIC, 3800, Australia.
- Cancer Immunology Program, Cancer Research Division, Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia.
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, 3010, Australia.
- Prostate Cancer Theranostics and Imaging Centre of Excellence (ProsTIC), Peter MacCallum Cancer Centre, Melbourne, VIC, 3000, Australia.
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14
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Huang B, Yang K. Comprehensive analysis the diagnosis, malignant progression and immune infiltrate of ANXA6 in prostate cancer. Genes Genomics 2023; 45:1197-1209. [PMID: 37311953 DOI: 10.1007/s13258-023-01410-9] [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: 02/03/2023] [Accepted: 05/28/2023] [Indexed: 06/15/2023]
Abstract
BACKGROUND Annexins (ANXAs) play a crucial role in the development and progression of tumors. However, their specific involvement in prostate cancer (PCa) remains unclear. OBJECTIVE To investigate the function and clinical significance of key ANXAs in PCa. METHODS Multiple databases were used to analyze the expression levels, genetic variations, potential prognostic value and clinical significance of ANXAs in PCa. Then, the co-expressed genes of ANXA6 were identified, and the correlation between ANXA6 and immune cell infiltration was validated using the Tumor Immune Estimation Resource (TIMER) database. Additionally, in vitro assays such as Cell Counting Kit-8 (CCK-8), Colony Formation, Transwell and T-cell Chemotaxis assays were conducted to validate the functions of ANXA6. Moreover, multiple types of in vivo assays were performed to further validate the identified ANXA6 functions. RESULTS The results demonstrated that ANXA2, ANXA6 and ANXA8 were significantly downregulated in PCa. ANXA6 upregulation was significantly associated with improved PCa patients' overall survival. Enrichment analysis revealed that ANXA6 and its co-expressed genes were involved in tumor progression, and ANXA6 overexpression could effectively inhibit the proliferation, migration and invasion of PC-3 cells. In vivo studies also demonstrated that ANXA6 overexpression suppressed tumor growth. Importantly, ANXA6 was found to promote the chemotaxis of CD4+ T cells and CD8+ T cells towards PC-3 cells, and the overexpression of ANXA6 in PC-3 cells promoted the polarization of macrophages into M1 macrophages in the supernatant of PCa cells. CONCLUSIONS ANXA6 demonstrated promising potential for consideration as a prognostic biomarker in PCa as it was found to play key roles in regulating immune cell infiltration and the malignant progression to PCa.
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Affiliation(s)
- Banggao Huang
- Urology& Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang, People's Republic of China.
| | - Kewei Yang
- Affiliated Hospital of Shaoxing University of Arts and Sciences, Shaoxing, People's Republic of China
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15
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He M, Zhang D, Cao Y, Chi C, Zeng Z, Yang X, Yang G, Sharma K, Hu K, Enikeev M. Chimeric antigen receptor-modified T cells therapy in prostate cancer: A comprehensive review on the current state and prospects. Heliyon 2023; 9:e19147. [PMID: 37664750 PMCID: PMC10469587 DOI: 10.1016/j.heliyon.2023.e19147] [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: 05/02/2023] [Revised: 07/31/2023] [Accepted: 08/14/2023] [Indexed: 09/05/2023] Open
Abstract
Recent immunotherapy research has focused on chimeric antigen receptor-modified T cells (CAR-Ts). CAR-T therapies have been clinically applied to manage hematologic malignancies with satisfactory effectiveness. However, the application of CAR-T immunotherapy in solid tumors remains challenging. Even so, current CAR-T immunotherapies for prostate cancer (PCa) have shown some promise, giving hope to patients with advanced metastatic PCa. This review aimed to elucidate different types of prostate tumor-associated antigen targets, such as prostate-specific membrane antigen and prostate stem cell antigen, and their effects. The current status of the corresponding targets in clinical research through their applications was also discussed. To improve the efficacy of CAR-T immunotherapy, we addressed the possible applications of multimodal immunotherapy, chemotherapy, and CAR-T combined therapies. The obstacles of solid tumors were concisely elaborated. Further studies should aim to discover novel potential targets and establish new models by overcoming the inherent barriers of solid tumors, such as tumor heterogeneity and the immunosuppressive nature of the tumor microenvironment.
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Affiliation(s)
- Mingze He
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119435, Moscow, Russia
| | - Dongqi Zhang
- Department of Urology, The First Hospital of Jilin University (Lequn Branch), 130000, Changchun, China
| | - Yu Cao
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991, Moscow, Russia
| | - Changliang Chi
- Department of Urology, The First Hospital of Jilin University (Lequn Branch), 130000, Changchun, China
| | - Zitong Zeng
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991, Moscow, Russia
| | - Xinyi Yang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991, Moscow, Russia
| | - Guodong Yang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991, Moscow, Russia
| | - Kritika Sharma
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991, Moscow, Russia
| | - Kebang Hu
- Department of Urology, The First Hospital of Jilin University (Lequn Branch), 130000, Changchun, China
| | - Mikhail Enikeev
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119435, Moscow, Russia
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16
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Somanath PR, Chernoff J, Cummings BS, Prasad SM, Homan HD. Targeting P21-Activated Kinase-1 for Metastatic Prostate Cancer. Cancers (Basel) 2023; 15:cancers15082236. [PMID: 37190165 DOI: 10.3390/cancers15082236] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/06/2023] [Accepted: 04/09/2023] [Indexed: 05/17/2023] Open
Abstract
Metastatic prostate cancer (mPCa) has limited therapeutic options and a high mortality rate. The p21-activated kinase (PAK) family of proteins is important in cell survival, proliferation, and motility in physiology, and pathologies such as infectious, inflammatory, vascular, and neurological diseases as well as cancers. Group-I PAKs (PAK1, PAK2, and PAK3) are involved in the regulation of actin dynamics and thus are integral for cell morphology, adhesion to the extracellular matrix, and cell motility. They also play prominent roles in cell survival and proliferation. These properties make group-I PAKs a potentially important target for cancer therapy. In contrast to normal prostate and prostatic epithelial cells, group-I PAKs are highly expressed in mPCA and PCa tissue. Importantly, the expression of group-I PAKs is proportional to the Gleason score of the patients. While several compounds have been identified that target group-I PAKs and these are active in cells and mice, and while some inhibitors have entered human trials, as of yet, none have been FDA-approved. Probable reasons for this lack of translation include issues related to selectivity, specificity, stability, and efficacy resulting in side effects and/or lack of efficacy. In the current review, we describe the pathophysiology and current treatment guidelines of PCa, present group-I PAKs as a potential druggable target to treat mPCa patients, and discuss the various ATP-competitive and allosteric inhibitors of PAKs. We also discuss the development and testing of a nanotechnology-based therapeutic formulation of group-I PAK inhibitors and its significant potential advantages as a novel, selective, stable, and efficacious mPCa therapeutic over other PCa therapeutics in the pipeline.
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Affiliation(s)
- Payaningal R Somanath
- Department of Clinical & Administrative Pharmacy, College of Pharmacy, University of Georgia, Augusta, GA 30912, USA
- MetasTx LLC, Basking Ridge, NJ 07920, USA
| | - Jonathan Chernoff
- MetasTx LLC, Basking Ridge, NJ 07920, USA
- Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Brian S Cummings
- MetasTx LLC, Basking Ridge, NJ 07920, USA
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA
| | - Sandip M Prasad
- Morristown Medical Center, Atlantic Health System, Morristown, NJ 07960, USA
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17
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Schepisi G, Gianni C, Cursano MC, Gallà V, Menna C, Casadei C, Bleve S, Lolli C, Martinelli G, Rosti G, De Giorgi U. Immune checkpoint inhibitors and Chimeric Antigen Receptor (CAR)-T cell therapy: Potential treatment options against Testicular Germ Cell Tumors. Front Immunol 2023; 14:1118610. [PMID: 36860862 PMCID: PMC9968831 DOI: 10.3389/fimmu.2023.1118610] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/03/2023] [Indexed: 02/15/2023] Open
Abstract
Germ cell tumors (GCTs) represent a heterogeneous neoplasm family affecting gonads and rarely occurring in extragonadal areas. Most of patients have a good prognosis, often even in the presence of metastatic disease; however, in almost 15% of cases, tumor relapse and platinum resistance are the main challenges. Thus, novel treatment strategies with both improved antineoplastic activity and minor treatment-related adverse events compared with platinum are really expected. In this context, the development and the high activity demonstrated by immune checkpoint inhibitors in solid tumors and, subsequently, the interesting results obtained from the use of chimeric antigen receptor (CAR-) T cell therapy in hematological tumors, have stimulated research in this direction also in GCTs. In this article, we will analyze the molecular mechanisms underlying the immune action in the development of GCTs, and we will report the data from the studies that tested the new immunotherapeutic approaches in these neoplasms.
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Affiliation(s)
- Giuseppe Schepisi
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy,*Correspondence: Giuseppe Schepisi,
| | - Caterina Gianni
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Maria Concetta Cursano
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Valentina Gallà
- 2Unit of Biostatistics and Clinical Trials, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Cecilia Menna
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Chiara Casadei
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Sara Bleve
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Cristian Lolli
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Giovanni Martinelli
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Giovanni Rosti
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
| | - Ugo De Giorgi
- 1Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
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18
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Immunotherapy for Prostate Cancer: A Current Systematic Review and Patient Centric Perspectives. J Clin Med 2023; 12:jcm12041446. [PMID: 36835981 PMCID: PMC9966657 DOI: 10.3390/jcm12041446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/13/2023] [Accepted: 01/31/2023] [Indexed: 02/16/2023] Open
Abstract
Prostate cancer is the most commonly diagnosed cancer in men worldwide, making up 21% of all cancer cases. With 345,000 deaths per year owing to the disease, there is an urgent need to optimize prostate cancer care. This systematic review collated and synthesized findings of completed Phase III clinical trials administering immunotherapy; a current clinical trial index (2022) of all ongoing Phase I-III clinical trial records was also formulated. A total of four Phase III clinical trials with 3588 participants were included administering DCVAC, ipilimumab, personalized peptide vaccine, and the PROSTVAC vaccine. In this original research article, promising results were seen for ipilimumab intervention, with improved overall survival trends. A total of 68 ongoing trial records pooling in 7923 participants were included, spanning completion until June 2028. Immunotherapy is an emerging option for patients with prostate cancer, with immune checkpoint inhibitors and adjuvant therapies forming a large part of the emerging landscape. With various ongoing trials, the characteristics and premises of the prospective findings will be key in improving outcomes in the future.
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19
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Liang H, Liu Y, Guo J, Dou M, Zhang X, Hu L, Chen J. Progression in immunotherapy for advanced prostate cancer. Front Oncol 2023; 13:1126752. [PMID: 36925917 PMCID: PMC10011447 DOI: 10.3389/fonc.2023.1126752] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 02/13/2023] [Indexed: 03/08/2023] Open
Abstract
Prostate cancer is one of the most common malignant cancers of the male genitourinary system and has high morbidity and mortality. Currently, treatment modalities for localized prostate cancer focus mainly on radical prostatectomy or radical radiation therapy. Some patients still experience disease recurrence or progression after these treatments, while others are already at an advanced stage or have metastases at the time of diagnosis. With the continuous development and progress of medicine in recent years, immunotherapy has become a revolutionary cancer treatment, and has achieved remarkable accomplishments in the treatment of hematologic malignancies. A variety of immunotherapies have also appeared in the field of advanced prostate cancer treatment, including therapeutic vaccines and immune checkpoint therapies. Despite the discrepancy between the results of some immunotherapy studies, immunotherapy for prostate cancer has shown some initial success, especially in combination immunotherapies. Currently, immunotherapy is mainly used in advanced prostate cancer, especially in patients with metastatic castration-resistant prostate cancer. However, with the development of more clinical trials of immunotherapy, more evidence will be provided supporting the rational application of immunotherapy in the future.
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Affiliation(s)
- Hao Liang
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yang Liu
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China.,Department of Urology, Weifang People's Hospital, Weifang Medical University, Weifang, Shandong, China
| | - Jiao Guo
- Department of Immunology, School of Basic Medical sciences, Weifang Medical University, Weifang, Shandong, China
| | - Maoyang Dou
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiaoyi Zhang
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Liyong Hu
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jun Chen
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China.,Department of Urology, Weifang People's Hospital, Weifang Medical University, Weifang, Shandong, China.,Department of Immunology, School of Basic Medical sciences, Weifang Medical University, Weifang, Shandong, China
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20
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Martin FC, Dorff TB, Tran B. The new era of prostate-specific membrane antigen-directed immunotherapies and beyond in advanced prostate cancer: a review. Ther Adv Med Oncol 2023; 15:17588359231170474. [PMID: 37152424 PMCID: PMC10155011 DOI: 10.1177/17588359231170474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 03/30/2023] [Indexed: 05/09/2023] Open
Abstract
The lack of success in prostate cancer from immune checkpoint inhibitors, which is likely multifactorial, has led to the development and investigation of a number of other novel immunotherapeutic techniques, including antibody-drug conjugates, T-cell redirected bispecific therapies, cancer vaccines and chimeric antigen receptor T-cell therapies. Prostate-specific membrane antigen (PSMA) is a tumour-associated antigen (TAA) that is highly expressed in metastatic prostate cancer and has been validated as an effective target for radionuclide treatment. But while PSMA has thus far been the 'front runner' target for these novel immunotherapeutic techniques, it may not be the ideal target for immunotherapy and there are other potential targetable TAAs that will require further exploration. This review will focus on these various PSMA-directed therapies, as well as other potential targets for immunotherapy beyond PSMA.
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Affiliation(s)
- Felicity C. Martin
- Department of Medical Oncology, Peter MacCallum Cancer
Centre, Melbourne, VIC, Australia
| | - Tanya B. Dorff
- Department of Medical Oncology and Therapeutics Research,
City of Hope Comprehensive Cancer Center, Duarte, CA, USA
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21
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Zarrabi KK, Narayan V, Mille PJ, Zibelman MR, Miron B, Bashir B, Kelly WK. Bispecific PSMA antibodies and CAR-T in metastatic castration-resistant prostate cancer. Ther Adv Urol 2023; 15:17562872231182219. [PMID: 37359737 PMCID: PMC10285603 DOI: 10.1177/17562872231182219] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
Prostate cancer is the most common cancer among men and the second leading cause of cancer-related deaths in men in the United States. The treatment paradigm for prostate cancer has evolved with the emergence of a variety of novel therapies which have improved survival; however, treatment-related toxicities are abundant and durable responses remain rare. Immune checkpoint inhibitors have shown modest activity in a small subset of patients with prostate cancer and have not had an impact on most men with advanced disease. The discovery of prostate-specific membrane antigen (PSMA) and the understanding of its specificity to prostate cancer has identified it as an ideal tumor-associated antigen and has revived the enthusiasm for immunotherapeutics in prostate cancer. T-cell immunotherapy in the form of bispecific T-cell engagers (BiTEs) and chimeric antigen receptor (CAR) T-cell therapy have shown exceptional success in treating various hematologic malignancies, and are now being tested in patients with prostate cancer with drug design centered on various target ligands including not just PSMA, but others as well including six-transmembrane epithelial antigen of the prostate 1 (STEAP1) and prostate stem cell antigen (PSCA). This summative review will focus on the data surrounding PSMA-targeting T-cell therapies. Early clinical studies with both classes of T-cell redirecting therapies have demonstrated antitumor activity; however, there are multiple challenges with this class of agents, including dose-limiting toxicity, 'on-target, off-tumor' immune-related toxicity, and difficulty in maintaining sustained immune responses within a complex and overtly immunosuppressive tumor microenvironment. Reflecting on experiences from recent trials has been key toward understanding mechanisms of immune escape and limitations in developing these drugs in prostate cancer. Newer generation BiTE and CAR T-cell constructs, either alone or as part of combination therapy, are currently under investigation with modifications in drug design to overcome these barriers. Ongoing innovation in drug development will likely foster successful implementation of T-cell immunotherapy bringing transformational change to the treatment of prostate cancer.
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Affiliation(s)
| | - Vivek Narayan
- Department of Medical Oncology, Abramson Cancer Center and Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Patrick J. Mille
- Department of Medical Oncology and Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Matthew R. Zibelman
- Department of Medical Oncology, Fox Chase Cancer Center, Temple University, Philadelphia, PA, USA
| | - Benjamin Miron
- Department of Medical Oncology, Fox Chase Cancer Center, Temple University, Philadelphia, PA, USA
| | - Babar Bashir
- Department of Medical Oncology and Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
- Department of Pharmacology, Physiology, and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
| | - William Kevin Kelly
- Department of Medical Oncology and Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA
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22
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Steinbach C, Merchant A, Zaharie AT, Horak P, Marhold M, Krainer M. Current Developments in Cellular Therapy for Castration Resistant Prostate Cancer: A Systematic Review of Clinical Studies. Cancers (Basel) 2022; 14:5719. [PMID: 36428811 PMCID: PMC9688882 DOI: 10.3390/cancers14225719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 10/21/2022] [Indexed: 11/23/2022] Open
Abstract
Recently, the development of immunotherapies such as cellular therapy, monoclonal antibodies, vaccines and immunomodulators has revolutionized the treatment of various cancer entities. In order to close the existing gaps in knowledge about cellular immunotherapy, specifically focusing on the chimeric antigen receptors (CAR) T-cells, their benefits and application in clinical settings, we conducted a comprehensive systematic review. Two co-authors independently searched the literature and characterized the results. Out of 183 records, 26 were considered eligible. This review provides an overview of the cellular immunotherapy landscape in treating prostate cancer, honing in on the challenges of employing CAR T-cell therapy. CAR T-cell therapy is a promising avenue for research due to the presence of an array of different tumor specific antigens. In prostate cancer, the complex microenvironment of the tumor vastly contributes to the success or failure of immunotherapies.
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Affiliation(s)
- Christina Steinbach
- Internal Medicine I, Department of Oncology, Medical University of Vienna, 1090 Vienna, Austria
| | - Almas Merchant
- Internal Medicine I, Department of Oncology, Medical University of Vienna, 1090 Vienna, Austria
| | | | - Peter Horak
- Nationales Centrum für Tumorerkrankungen (NCT), 69120 Heidelberg, Germany
| | - Maximilian Marhold
- Internal Medicine I, Department of Oncology, Medical University of Vienna, 1090 Vienna, Austria
| | - Michael Krainer
- Internal Medicine I, Department of Oncology, Medical University of Vienna, 1090 Vienna, Austria
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23
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Chimeric Antigen Receptor T-Cell Therapy: What We Expect Soon. Int J Mol Sci 2022; 23:ijms232113332. [PMID: 36362130 PMCID: PMC9657035 DOI: 10.3390/ijms232113332] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/10/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022] Open
Abstract
The treatment landscape for hematologic malignancies has changed since the recent approval of highly effective chimeric antigen receptor T-cell therapies (CAR-T). Moreover, more than 600 active trials are currently ongoing. However, early enthusiasm should be tempered since several issues are still unsolved and represent the challenges for the coming years. The lack of initial responses and early relapse are some hurdles to be tackled. Moreover, new strategies are needed to increase the safety profile or shorten the manufacturing process during CAR-T cells therapy production. Nowadays, most clinically evaluated CAR-T cells products are derived from autologous immune cells. The use of allogeneic CAR-T cells products generated using cells from healthy donors has the potential to change the scenario and overcome many of these limitations. In addition, CAR-T cells carry a high price tag, and there is an urgent need to understand how to pay for these therapies as many of today’s current payment systems do not feature the functionality to address the reimbursement gap. Finally, the clinical experience with CAR-T cells for solid tumors has been less encouraging, and development in this setting is desirable.
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24
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Keshavarz A, Salehi A, Khosravi S, Shariati Y, Nasrabadi N, Kahrizi MS, Maghsoodi S, Mardi A, Azizi R, Jamali S, Fotovat F. Recent findings on chimeric antigen receptor (CAR)-engineered immune cell therapy in solid tumors and hematological malignancies. Stem Cell Res Ther 2022; 13:482. [PMID: 36153626 PMCID: PMC9509604 DOI: 10.1186/s13287-022-03163-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 08/12/2022] [Indexed: 11/10/2022] Open
Abstract
Advancements in adoptive cell therapy over the last four decades have revealed various new therapeutic strategies, such as chimeric antigen receptors (CARs), which are dedicated immune cells that are engineered and administered to eliminate cancer cells. In this context, CAR T-cells have shown significant promise in the treatment of hematological malignancies. However, many obstacles limit the efficacy of CAR T-cell therapy in both solid tumors and hematological malignancies. Consequently, CAR-NK and CAR-M cell therapies have recently emerged as novel therapeutic options for addressing the challenges associated with CAR T-cell therapies. Currently, many CAR immune cell trials are underway in various human malignancies around the world to improve antitumor activity and reduce the toxicity of CAR immune cell therapy. This review will describe the comprehensive literature of recent findings on CAR immune cell therapy in a wide range of human malignancies, as well as the challenges that have emerged in recent years.
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Affiliation(s)
- Ali Keshavarz
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Salehi
- Department of Oral and Maxillofacial Radiology, School of Dentistry, Islamic Azad University,, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - Setareh Khosravi
- Department of Orthodontics, School of Dentistry, Alborz University of Medical Sciences, Karaj, Iran
| | - Yasaman Shariati
- Department of General Surgery, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Navid Nasrabadi
- Department of Endodontics, School of Dentistry, Birjand University of Medical Sciences, Birjand, Iran
| | | | - Sairan Maghsoodi
- Department of Paramedical, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Amirhossein Mardi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ramyar Azizi
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Samira Jamali
- Department of Endodontics, College of Stomatology, Stomatological Hospital, Xi’an Jiaotong University, Shaanxi, People’s Republic of China
| | - Farnoush Fotovat
- Department of Prosthodontics, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
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25
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Jin Y, Lorvik KB, Jin Y, Beck C, Sike A, Persiconi I, Kvaløy E, Saatcioglu F, Dunn C, Kyte JA. Development of STEAP1 targeting chimeric antigen receptor for adoptive cell therapy against cancer. Mol Ther Oncolytics 2022; 26:189-206. [PMID: 35860008 PMCID: PMC9278049 DOI: 10.1016/j.omto.2022.06.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 06/17/2022] [Indexed: 10/29/2022] Open
Abstract
Chimeric antigen receptors (CARs) that retarget T cells against CD19 show clinical efficacy against B cell malignancies. Here, we describe the development of a CAR against the six-transmembrane epithelial antigen of prostate-1 (STEAP1), which is expressed in ∼90% of prostate cancers, and subgroups of other malignancies. STEAP1 is an attractive target, as it is associated with tumor invasiveness and progression and only expressed at low levels in normal tissues, apart from the non-vital prostate gland. We identified the antibody coding sequences from a hybridoma and designed a CAR that is efficiently expressed in primary T cells. The T cells acquired the desired anti-STEAP1 specificity, with a polyfunctional response including production of multiple cytokines, proliferation, and the killing of cancer cells. The response was observed for both CD4+ and CD8+ T cells, and against all STEAP1+ target cell lines tested. We evaluated the in vivo CAR T activity in both subcutaneous and metastatic xenograft mouse models of prostate cancer. Here, the CAR T cells infiltrated tumors and significantly inhibited tumor growth and extended survival in a STEAP1-dependent manner. We conclude that the STEAP1 CAR exhibits potent in vitro and in vivo functionality and can be further developed toward potential clinical use.
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Affiliation(s)
- Yixin Jin
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Kristina Berg Lorvik
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Yang Jin
- Institute for Cancer Genetics and Informatics, Oslo University Hospital, Oslo, Norway
| | - Carole Beck
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Adam Sike
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Irene Persiconi
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Emilie Kvaløy
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Fahri Saatcioglu
- Institute for Cancer Genetics and Informatics, Oslo University Hospital, Oslo, Norway.,Department of Biosciences, University of Oslo, Oslo, Norway
| | - Claire Dunn
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Jon Amund Kyte
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway.,Department of Clinical Cancer Research, Oslo University Hospital, Oslo, Norway
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26
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Borówka M, Łącki-Zynzeling S, Nicze M, Kozak S, Chudek J. Adverse Renal Effects of Anticancer Immunotherapy: A Review. Cancers (Basel) 2022; 14:4086. [PMID: 36077623 PMCID: PMC9454552 DOI: 10.3390/cancers14174086] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/17/2022] Open
Abstract
Modern oncological therapy utilizes various types of immunotherapy. Immune checkpoint inhibitors (ICIs), chimeric antigen receptor T cells (CAR-T) therapy, cancer vaccines, tumor-targeting monoclonal antibodies (TT-mAbs), bispecific antibodies and cytokine therapy improve patients' outcomes. However, stimulation of the immune system, beneficial in terms of fighting against cancer, generates the risk of harm to other cells in a patient's body. Kidney damage belongs to the relatively rare adverse events (AEs). Best described, but still, superficially, are renal AEs in patients treated with ICIs. International guidelines issued by the European Society for Medical Oncology (ESMO) and the American Society of Clinical Oncology (ASCO) cover the management of immune-related adverse events (irAEs) during ICI therapy. There are fewer data concerning real occurrence and possible presentations of renal adverse drug reactions of other immunotherapeutic methods. This implies the need for the collection of safety data during ongoing clinical trials and in the real-life world to characterize the hazard related to the use of new immunotherapies and management of irAEs.
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Affiliation(s)
| | - Stanisław Łącki-Zynzeling
- Department of Internal Medicine and Oncological Chemotherapy, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Reymonta 8, 40-027 Katowice, Poland
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27
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Developing New Treatment Options for Castration-Resistant Prostate Cancer and Recurrent Disease. Biomedicines 2022; 10:biomedicines10081872. [PMID: 36009418 PMCID: PMC9405166 DOI: 10.3390/biomedicines10081872] [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: 06/14/2022] [Revised: 07/20/2022] [Accepted: 07/29/2022] [Indexed: 11/16/2022] Open
Abstract
Prostate cancer (PCa) is a major diagnosed cancer among men globally, and about 20% of patients develop metastatic prostate cancer (mPCa) in the initial diagnosis. PCa is a typical androgen-dependent disease; thus, hormonal therapy is commonly used as a standard care for mPCa by inhibiting androgen receptor (AR) activities, or androgen metabolism. Inevitably, almost all PCa will acquire resistance and become castration-resistant PCa (CRPC) that is associated with AR gene mutations or amplification, the presence of AR variants, loss of AR expression toward neuroendocrine phenotype, or other hormonal receptors. Treating CRPC poses a great challenge to clinicians. Research efforts in the last decade have come up with several new anti-androgen agents to prolong overall survival of CRPC patients. In addition, many potential targeting agents have been at the stage of being able to translate many preclinical discoveries into clinical practices. At this juncture, it is important to highlight the emerging strategies including small-molecule inhibitors to AR variants, DNA repair enzymes, cell survival pathway, neuroendocrine differentiation pathway, radiotherapy, CRPC-specific theranostics and immune therapy that are underway or have recently been completed.
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28
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Integrative Analysis and Experimental Validation Indicated That SNHG17 Is a Prognostic Marker in Prostate Cancer and a Modulator of the Tumor Microenvironment via a Competitive Endogenous RNA Regulatory Network. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1747604. [PMID: 35864871 PMCID: PMC9296331 DOI: 10.1155/2022/1747604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/08/2022] [Accepted: 06/16/2022] [Indexed: 12/04/2022]
Abstract
The incidence of prostate cancer (PC) is growing rapidly worldwide, and studies uncovering the molecular mechanisms driving the progression and modulating the immune infiltration and antitumor immunity of PC are urgently needed. The long noncoding RNA SNHG family has been recognized as a prognostic marker in cancers and contributes to the progression of multiple cancers, including PC. In this study, we aimed to clarify the prognostic values and underlying mechanisms of SNHGs in promoting the progression and modulating the tumor microenvironment of PC through data mining based on The Cancer Genome Atlas (TCGA) database. We identified that within the SNHG family, SNHG17 was most correlated with the overall survival of PC patients and could act as an independent predictor. Moreover, we constructed a competitive endogenous RNA (ceRNA) network by which SNHG17 promotes progression and potentially inhibits the immune infiltration and immune response of prostate cancer. By interacting with miR-23a-3p/23b-3p/23c, SNHG17 upregulates the expression of UBE2M and OTUB1, which have been demonstrated to play critical roles in the tumorigenesis of human cancers, more importantly promoting cancer cell immunosuppression and resistance to cytotoxic stimulation. Finally, we examined the correlation between SNHG17 expression and the clinical progression of PC patients based on our cohort of 52 PC patients. We also verified the SNHG17/miR-23a/OTUB1 axis in RV-1 and PC-3 cells by dual luciferase and RIP assays, and we further identified that SNHG17 promoted cellular invasive capacity by modulating OTUB1. In summary, the current study conducted a ceRNA-based SNHG17-UBE2M/OTUB1 axis and indicated that SNHG17 might be a novel prognostic factor associated with the progression, immunosuppression, and cytotoxic resistance of PC.
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29
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Yu G, Bao J, Zhan M, Wang J, Li X, Gu X, Song S, Yang Q, Liu Y, Wang Z, Xu B. Comprehensive Analysis of m5C Methylation Regulatory Genes and Tumor Microenvironment in Prostate Cancer. Front Immunol 2022; 13:914577. [PMID: 35757739 PMCID: PMC9226312 DOI: 10.3389/fimmu.2022.914577] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022] Open
Abstract
Background 5-Methylcytidine (m5C) methylation is an emerging epigenetic modification in recent years, which is associated with the development and progression of various cancers. However, the prognostic value of m5C regulatory genes and the correlation between m5C methylation and the tumor microenvironment (TME) in prostate cancer remain unknown. Methods In the current study, the genetic and transcriptional alterations and prognostic value of m5C regulatory genes were investigated in The Cancer Genome Atlas and Gene Expression Omnibus datasets. Then, an m5C prognostic model was established by LASSO Cox regression analysis. Gene set variation analyses (GSVA), gene set enrichment analysis (GSEA), clinical relevance, and TME analyses were conducted to explain the biological functions and quantify the TME scores between high-risk and low-risk subgroups. m5C regulatory gene clusters and m5C immune subtypes were identified using consensus unsupervised clustering analysis. The Cell-type Identification By Estimating Relative Subsets of RNA Transcripts algorithm was used to calculate the contents of immune cells. Results TET3 was upregulated at transcriptional levels in PCa compared with normal tissues, and a high TET3 expression was associated with poor prognosis. An m5C prognostic model consisting of 3 genes (NSUN2, TET3, and YBX1) was developed and a nomogram was constructed for improving the clinical applicability of the model. Functional analysis revealed the enrichment of pathways and the biological processes associated with RNA regulation and immune function. Significant differences were also found in the expression levels of m5C regulatory genes, TME scores, and immune cell infiltration levels between different risk subgroups. We identified two distinct m5C gene clusters and found their correlation with patient prognosis and immune cell infiltration characteristics. Naive B cells, CD8+ T cells, M1 macrophages and M2 macrophages were obtained and 2 m5C immune subtypes were identified. CTLA4, NSUN6, TET1, and TET3 were differentially expressed between immune subtypes. The expression of CTLA4 was found to be correlated with the degree of immune cell infiltration. Conclusions Our comprehensive analysis of m5C regulatory genes in PCa demonstrated their potential roles in the prognosis, clinical features, and TME. These findings may improve our understanding of m5C regulatory genes in the tumor biology of PCa.
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Affiliation(s)
- Guopeng Yu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jiahao Bao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Ming Zhan
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jiangyi Wang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xinjuan Li
- General Medical Department, Yangpu Daqiao Community Health Service Center, Shanghai, China
| | - Xin Gu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Shangqing Song
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Qing Yang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yushan Liu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhong Wang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Bin Xu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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30
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Yehya A, Ghamlouche F, Zahwe A, Zeid Y, Wakimian K, Mukherji D, Abou-Kheir W. Drug resistance in metastatic castration-resistant prostate cancer: an update on the status quo. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2022; 5:667-690. [PMID: 36176747 PMCID: PMC9511807 DOI: 10.20517/cdr.2022.15] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/05/2022] [Accepted: 04/12/2022] [Indexed: 12/04/2022]
Abstract
Prostate cancer (PCa) is a leading cause of cancer-related morbidity and mortality in men globally. Despite improvements in the diagnosis and treatment of PCa, a significant proportion of patients with high-risk localized disease and all patients with advanced disease at diagnosis will experience progression to metastatic castration-resistant prostate cancer (mCRPC). Multiple drugs are now approved as the standard of care treatments for patients with mCRPC that have been shown to prolong survival. Although the majority of patients will respond initially, primary and secondary resistance to these therapies make mCRPC an incurable disease. Several molecular mechanisms underlie the development of mCRPC, with the androgen receptor (AR) axis being the main driver as well as the key drug target. Understanding resistance mechanisms is crucial for discovering novel therapeutic strategies to delay or reverse the progression of the disease. In this review, we address the diverse mechanisms of drug resistance in mCRPC. In addition, we shed light on emerging targeted therapies currently being tested in clinical trials with promising potential to overcome mCRPC-drug resistance.
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Affiliation(s)
- Amani Yehya
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
- Equally contributing authors
| | - Fatima Ghamlouche
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
- Equally contributing authors
| | - Amin Zahwe
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
- Equally contributing authors
| | - Yousef Zeid
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Kevork Wakimian
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Deborah Mukherji
- Division of Hematology/Oncology, Faculty of Medicine, American University of Beirut Medical Center, Beirut 1107-2020, Lebanon
| | - Wassim Abou-Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
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31
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Wu L, Xie W, Li Y, Ni Q, Timashev P, Lyu M, Xia L, Zhang Y, Liu L, Yuan Y, Liang X, Zhang Q. Biomimetic Nanocarriers Guide Extracellular ATP Homeostasis to Remodel Energy Metabolism for Activating Innate and Adaptive Immunity System. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105376. [PMID: 35396800 PMCID: PMC9189650 DOI: 10.1002/advs.202105376] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/28/2022] [Indexed: 05/14/2023]
Abstract
Metabolic interventions via targeting intratumoral dysregulated metabolism pathways have shown promise in reinvigorating antitumor immunity. However, approved small molecule immunomodulators often suffer from ineffective response rates and severe off-target toxicity. ATP occupies a crucial role in energy metabolism of components that form the tumor microenvironment (TME) and influences cancer immunosurveillance. Here, a nanocarrier-assisted immunometabolic therapy strategy that targets the ATP-adenosine axis for metabolic reprogramming of TME is reported. An ecto-enzyme (CD39) antagonist POM1 and AMP-activated protein kinase (AMPK) agonist metformin are both encapsulated into cancer cell-derived exosomes and used as nanocarriers for tumor targeting delivery. This method increases the level of pro-inflammatory extracellular ATP (eATP) while preventing the accumulation of immunosuppressive adenosine and alleviating hypoxia. Elevated eATP triggers the activation of P2X7-NLRP3-inflammasome to drive macrophage pyroptosis, potentiates the maturation and antigen capacity of dendritic cells (DCs) to enhance the cytotoxic function of T cells and natural killer (NK) cells. As a result, synergistic antitumor immune responses are initiated to suppress tumor progress, inhibit tumor distant metastases, provide long-term immune memory that offers protection against tumor recurrence and overcome anti-PD1 resistance. Overall, this study provides an innovative strategy to advance eATP-driven antitumor immunity in cancer therapy.
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Affiliation(s)
- Long Wu
- Institute of Biomedical Engineering & Department of Gastrointestinal SurgeryShenzhen People's Hospital (The Second Clinical Medical College, Jinan University, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)ShenzhenGuangdong518020P. R. China
- Department of Hepatobiliary & Pancreatic SurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071P. R. China
| | - Wei Xie
- Department of Hepatobiliary & Pancreatic SurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071P. R. China
| | - Yang Li
- Institute of Biomedical Engineering & Department of Gastrointestinal SurgeryShenzhen People's Hospital (The Second Clinical Medical College, Jinan University, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)ShenzhenGuangdong518020P. R. China
| | - Qiankun Ni
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology of ChinaBeijing100190P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
| | - Peter Timashev
- Laboratory of Clinical Smart Nanotechnologies, Institute for Regenerative MedicineSechenov UniversityMoscow119991Russia
| | - Meng Lyu
- Institute of Biomedical Engineering & Department of Gastrointestinal SurgeryShenzhen People's Hospital (The Second Clinical Medical College, Jinan University, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)ShenzhenGuangdong518020P. R. China
| | - Ligang Xia
- Institute of Biomedical Engineering & Department of Gastrointestinal SurgeryShenzhen People's Hospital (The Second Clinical Medical College, Jinan University, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)ShenzhenGuangdong518020P. R. China
| | - Yuan Zhang
- Fujian GTR Biotech Co. Ltd.FuzhouFujian350108P. R. China
| | - Lingrong Liu
- Institute of Biomedical EngineeringChinese Academy of Medical Sciences & Peking Union Medical CollegeTianjin300192P. R. China
| | - Yufeng Yuan
- Department of Hepatobiliary & Pancreatic SurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei430071P. R. China
| | - Xing‐Jie Liang
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology of ChinaBeijing100190P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
| | - Qiqing Zhang
- Institute of Biomedical Engineering & Department of Gastrointestinal SurgeryShenzhen People's Hospital (The Second Clinical Medical College, Jinan University, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology)ShenzhenGuangdong518020P. R. China
- Institute of Biomedical EngineeringChinese Academy of Medical Sciences & Peking Union Medical CollegeTianjin300192P. R. China
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Wang F, Wu L, Yin L, Shi H, Gu Y, Xing N. Combined treatment with anti-PSMA CAR NK-92 cell and anti-PD-L1 monoclonal antibody enhances the antitumour efficacy against castration-resistant prostate cancer. Clin Transl Med 2022; 12:e901. [PMID: 35696531 PMCID: PMC9191826 DOI: 10.1002/ctm2.901] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/19/2022] [Accepted: 05/11/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The chimeric antigen receptor NK-92 (CAR NK-92) cell targeting the prostate-specific membrane antigen (PSMA) has shown antitumour effects in castration-resistant prostate cancer (CRPC). However, the expression changes of programmed death ligand 1 (PD-L1) and its mechanisms on CAR NK-92 and CRPC cells and the effect of the anti-PD-L1 monoclonal antibody (mAb) on PD-L1 expressed on CAR NK-92 cells remain unknown. METHODS Human dendritic cells and CD8+ T cells were acquired from blood samples of healthy donors and cocultured with C4-2 cells. Changes in PD-L1 expression were detected by flow cytometry. Differential gene expressions were investigated by RNA sequence analysis, while the regulation of PD-L1 molecular signaling was explored using western blotting. In vitro cytotoxicity was evaluated using the Cell Counting Kit-8 assay and the bioluminescent intensity (BLI) of green fluorescent protein-labelled C4-2 cells. CRPC growth in vivo was monitored using callipers and BLI in male NOD/SCID mice subcutaneously injected with C4-2 cells and treated intravenously with anti-PD-L1/PD-1 mAb, CAR NK-92 or cocultured CD8+ T cells. RESULTS Significantly upregulated expression of PD-L1k was observed in cocultured C4-2 and CAR NK-92 cells. In addition, upregulation of PD-L1 expression was dependent on interferon-γ in C4-2 cells, while it was dependent on direct cell-to-cell interaction via the NK group 2 member D/ phosphatidylinositol 3-kinase/AKT pathway in CAR NK-92 cells. The anti-PD-L1 mAb directly acted on PD-L1 expressed on CAR NK-92 cells and augmented the cytotoxicity of CAR NK-92 cells against C4-2 and CRPC cells from one patient in vitro. Anti-PD-L1 mAb significantly enhanced the antitumour effect of CAR NK-92 cells against CRPC cells in vivo when compared to treatment with CAR NK-92 cells or combined with anti-PD-1 mAb in the absence or presence of cocultured CD8+ T cells. CONCLUSION Combined treatment with CAR NK-92 and anti-PD-L1 mAb improved the antitumour efficacy against CRPC, which is of extraordinary translational value in the clinical treatment of CRPC.
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MESH Headings
- Animals
- Antibodies, Monoclonal/metabolism
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal/therapeutic use
- B7-H1 Antigen/genetics
- B7-H1 Antigen/metabolism
- B7-H1 Antigen/therapeutic use
- CD8-Positive T-Lymphocytes/metabolism
- Cell Line, Tumor
- Humans
- Killer Cells, Natural/metabolism
- Male
- Mice
- Mice, Inbred NOD
- Mice, SCID
- Prostatic Neoplasms, Castration-Resistant/drug therapy
- Receptors, Chimeric Antigen/metabolism
- Receptors, Chimeric Antigen/therapeutic use
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Affiliation(s)
- Fangming Wang
- State Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of UrologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Liyuan Wu
- State Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of UrologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Le Yin
- R&D departmentAllife Medicine INCBeijingChina
| | - Hui Shi
- R&D departmentAllife Medicine INCBeijingChina
- Molecular Pharmacology LaboratoryInstitute of Molecular MedicinePeking UniversityBeijingChina
| | - Yuchun Gu
- R&D departmentAllife Medicine INCBeijingChina
- Molecular Pharmacology LaboratoryInstitute of Molecular MedicinePeking UniversityBeijingChina
- Translation Medicine Research Group (TMRG)Aston Medical SchoolAston UniversityBirminghamUK
| | - Nianzeng Xing
- State Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of UrologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of UrologyShanxi Province Cancer Hospital/Shanxi Hospital Affiliated to Cancer HospitalChinese Academy of Medical Sciences/Cancer Hospital Affiliated to Shanxi Medical UniversityTaiyuanChina
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SNAP25 is a potential prognostic biomarker for prostate cancer. Cancer Cell Int 2022; 22:144. [PMID: 35392903 PMCID: PMC8991690 DOI: 10.1186/s12935-022-02558-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 03/22/2022] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Prostate cancer (PCa) is one of the most lethal cancers in male individuals. The synaptosome associated protein 25 (SNAP25) gene is a key mediator of multiple biological functions in tumors. However, its significant impact on the prognosis in PCa remains to be elucidated. METHODS We performed a comprehensive analysis of the Cancer Genome Atlas dataset (TCGA) to identify the differentially expressed genes between PCa and normal prostate tissue. We subjected the differentially expressed genes to gene ontology analysis and Kyoto Encyclopedia of Genes and Genomes functional analysis, and constructed a protein-protein interaction network. We then screened for pivotal genes to identify the hub genes of prognostic significance by performing Cox regression analysis. We identified SNAP25 as one such gene and analyzed the relationship between its expression in PCa to poor prognosis using GEPIA interactive web server. RESULTS TCGA database demonstrated that SNAP25 was significantly downregulated in PCa. The progressive decrease in SNAP25 expression with the increase in the clinical staging and grading of PCa demonstrates that reduced SNAP25 expression considerably exacerbates the clinical presentation. Our findings confirm that SNAP25 expression strongly correlates with overall survival, which was determined using the Gleason score. We also validated the role of SNAP25 expression in the prognosis of patients with PCa. We used Gene Set Enrichment and Gene Ontology analyses to evaluate the function of SNAP25 and further explored the association between SNAP25 expression and tumor-infiltrating immune cells using the Tumor Immune Assessment Resource database. We found for the first time that SNAP25 is involved in the activation, differentiation, and migration of immune cells in PCa. Its expression was positively correlated with immune cell infiltration, including B cells, CD8+ T cells, CD4+ T cells, neutrophils, dendritic cells, macrophages, and natural killer cells. SNAP25 expression also positively correlated with chemokines/chemokine receptors, suggesting that SNAP25 may regulate the migration of immune cells. In addition, our experimental results verified the low expression of SNAP25 in PCa cells. CONCLUSION Our findings indicate a relationship between SNAP25 expression and PCa, demonstrating that SNAP25 is a potential prognostic biomarker due to its vital role in immune infiltration.
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López-Campos F, Gajate P, Romero-Laorden N, Zafra-Martín J, Juan M, Hernando Polo S, Conde Moreno A, Couñago F. Immunotherapy in Advanced Prostate Cancer: Current Knowledge and Future Directions. Biomedicines 2022; 10:537. [PMID: 35327339 PMCID: PMC8945350 DOI: 10.3390/biomedicines10030537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 02/22/2022] [Indexed: 02/01/2023] Open
Abstract
The advent of immunotherapy has revolutionized cancer treatment. Unfortunately, this has not been the case for metastatic castration-resistant prostate cancer (mCRPC), likely due to the heterogeneous and immune-suppressive microenvironment present in prostate cancer. The identification of molecular biomarkers that could predict response to immunotherapy represents one of the current challenges in this clinical scenario. The management of advanced castration-resistant prostate cancer is rapidly evolving and immunotherapy treatments, mostly consisting of immune checkpoint inhibitors combinations, BiTE® (bispecific T-cell engager) immune therapies, and chimeric antigen receptors (CAR) are in development with promising results. This review analyses the current evidence of immunotherapy treatments for mCRPC, evaluating past failures and promising approaches and discussing the directions for future research.
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Affiliation(s)
- Fernando López-Campos
- Radiation Oncology Department, Hospital Universitario Ramón y Cajal, 28024 Madrid, Spain
| | - Pablo Gajate
- Medical Oncology Department, Hospital Universitario Ramón y Cajal, 28024 Madrid, Spain;
| | - Nuria Romero-Laorden
- Medical Oncology Department, Hospital Universitario La Princesa, 28006 Madrid, Spain;
| | - Juan Zafra-Martín
- Department of Radiation Oncology, Hospital Universitario Virgen de la Victoria, 29010 Malaga, Spain;
| | - Manel Juan
- Servei d’Immunologia, CDB-Hospital Clínic, Plataforma de Inmunoterapia HSJD-Clínic, 08036 Barcelona, Spain;
| | - Susana Hernando Polo
- Medical Oncology Department, Hospital Universitario Fundación Alcorcón, 28922 Alcorcón, Spain;
| | - Antonio Conde Moreno
- Radiation Oncology Department, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain;
| | - Felipe Couñago
- Department of Radiation Oncology, Hospital Universitario Quirónsalud, 28223 Madrid, Spain;
- Department of Radiation Oncology, Hospital La Luz, 28003 Madrid, Spain
- Universidad Europea de Madrid, 28670 Madrid, Spain
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Perera MP, Thomas PB, Risbridger GP, Taylor R, Azad A, Hofman MS, Williams ED, Vela I. Chimeric Antigen Receptor T-Cell Therapy in Metastatic Castrate-Resistant Prostate Cancer. Cancers (Basel) 2022; 14:cancers14030503. [PMID: 35158771 PMCID: PMC8833489 DOI: 10.3390/cancers14030503] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/10/2022] [Accepted: 01/14/2022] [Indexed: 12/29/2022] Open
Abstract
Simple Summary Prostate cancer is one of the most frequently diagnosed cancers amongst men worldwide. Treatment for metastatic disease is often in the form of androgen deprivation therapy. However, over the course of treatment affected men may become castrate-resistant. Options for men with metastatic castrate-resistant cancer are limited. This review focuses on the role of chimeric antigen receptor T-cell therapy (CAR-T) in men with metastatic castrate-resistant prostate cancer. This review is a contemporary appraisal of preclinical and clinical studies conducted in this emerging form of immunotherapy. A thorough evaluation of the role of CAR-T therapy in prostate cancer is provided, as well as the obstacles we must overcome to clinically translate this therapy for men affected with this rapidly fatal disease. Abstract Prostate cancer is the most commonly diagnosed solid-organ cancer amongst males worldwide. Metastatic castrate-resistant prostate cancer (mCRPC) is a rapidly fatal end-sequelae of prostate cancer. Therapeutic options for men with mCRPC are limited and are not curative in nature. The recent development of chimeric antigen receptor T-cell (CAR-T) therapy has revolutionised the treatment of treatment-resistant haematological malignancies, and several studies are underway investigating the utility of this technology in the treatment of solid tumours. In this review, we evaluate the current treatment options for men with mCRPC as well as the current landscape of preclinical and clinical trials of CAR-T cell therapy against prostate cancer. We also appraise the various prostate cancer-specific tumour-associated antigens that may be targeted by CAR-T cell technology. Finally, we examine the potential translational barriers of CAR-T cell therapy in solid tumours. Despite preclinical success, preliminary clinical trials in men with prostate cancer have had limited efficacy. Therefore, further clinically translatable preclinical models are required to enhance the understanding of the role of this investigational therapeutic in men with mCRPC. In the era of precision medicine, tailored immunotherapy administered to men in a tumour-agnostic approach provides hope to a group of men who otherwise have few treatment options available.
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Affiliation(s)
- Mahasha P.J. Perera
- School of Biomedical Sciences at Translational Research Institute (TRI), Queensland University of Technology (QUT), Brisbane, QLD 4102, Australia; (P.B.T.); (E.D.W.)
- Queensland Bladder Cancer Initiative (QBCI), Woolloongabba, QLD 4102, Australia
- Department of Urology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia
- Centre for Personalised Analysis of Cancers (CPAC), Brisbane, QLD 4102, Australia
- Correspondence: (M.P.P.); (I.V.)
| | - Patrick B. Thomas
- School of Biomedical Sciences at Translational Research Institute (TRI), Queensland University of Technology (QUT), Brisbane, QLD 4102, Australia; (P.B.T.); (E.D.W.)
- Queensland Bladder Cancer Initiative (QBCI), Woolloongabba, QLD 4102, Australia
- Centre for Personalised Analysis of Cancers (CPAC), Brisbane, QLD 4102, Australia
| | - Gail P. Risbridger
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute Cancer Program, Department of Anatomy and Developmental Biology, Monash University, Clayton, VIC 3168, Australia; (G.P.R.); (R.T.)
| | - Renea Taylor
- Prostate Cancer Research Group, Monash Biomedicine Discovery Institute Cancer Program, Department of Anatomy and Developmental Biology, Monash University, Clayton, VIC 3168, Australia; (G.P.R.); (R.T.)
| | - Arun Azad
- Prostate Cancer Theranostics and Imaging Centre of Excellence (ProsTIC), Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia; (A.A.); (M.S.H.)
| | - Michael S. Hofman
- Prostate Cancer Theranostics and Imaging Centre of Excellence (ProsTIC), Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia; (A.A.); (M.S.H.)
| | - Elizabeth D. Williams
- School of Biomedical Sciences at Translational Research Institute (TRI), Queensland University of Technology (QUT), Brisbane, QLD 4102, Australia; (P.B.T.); (E.D.W.)
- Queensland Bladder Cancer Initiative (QBCI), Woolloongabba, QLD 4102, Australia
- Centre for Personalised Analysis of Cancers (CPAC), Brisbane, QLD 4102, Australia
| | - Ian Vela
- School of Biomedical Sciences at Translational Research Institute (TRI), Queensland University of Technology (QUT), Brisbane, QLD 4102, Australia; (P.B.T.); (E.D.W.)
- Queensland Bladder Cancer Initiative (QBCI), Woolloongabba, QLD 4102, Australia
- Department of Urology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia
- Centre for Personalised Analysis of Cancers (CPAC), Brisbane, QLD 4102, Australia
- Correspondence: (M.P.P.); (I.V.)
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36
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Jeong SH, Kwak C. Immunotherapy for prostate cancer: Requirements for a successful regime transfer. Investig Clin Urol 2022; 63:3-13. [PMID: 34983117 PMCID: PMC8756154 DOI: 10.4111/icu.20210369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/27/2021] [Accepted: 11/07/2021] [Indexed: 11/18/2022] Open
Abstract
Despite the revolutionary progress in cancer treatment using immune checkpoint inhibitors (ICIs), remarkable responses in prostate cancer treatment have not yet been achieved. The disappointing previous results of ICIs have required further studies towards combined treatment targeting other pathways and restricted the eligibility criteria for patients with high mutation burdens, especially those with mismatch repair deficiency. Cancer immunotherapies activate adaptive immune systems, rather than directly attack tumor cells with their own cytotoxicity. Therefore, refractoriness to ICIs can not only be derived from the intractable nature of tumor cells per se , but also from their hostile milieu. Here, we reviewed the prostate cancer immunotherapies exploring clinical trials to date, along with the molecular characteristics of prostate cancer and its microenvironment.
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Affiliation(s)
- Seung-Hwan Jeong
- Department of Urology, Seoul National University Hospital, Seoul, Korea
| | - Cheol Kwak
- Department of Urology, Seoul National University Hospital, Seoul, Korea.,Department of Urology, Seoul National University College of Medicine, Seoul, Korea.
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37
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Saleh OM, Albakri KA, Alabdallat YJ, Dajani MH, El Gazzar WB. The safety and efficacy of CAR-T cells in the treatment of prostate cancer: review. Biomarkers 2021; 27:22-34. [PMID: 34882051 DOI: 10.1080/1354750x.2021.2016973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE A new breakthrough development in cancer treatment is chimeric antigen receptor (CAR)-T cell therapy. In this review, we focussed on its efficacy & safety in prostate cancer, obstacles impeding its clinical use, and some strategies trying to overcome them. METHODS Searching for relevant articles was done using the PubMed and Cochrane Library databases. Studies had to be published in full-text in English in order to be considered. RESULTS Many factors can limit optimal CAR-T cell outcomes, including the hostile Prostate microenvironment, age, comorbidities, and tumour grade. The adverse effects of the therapy, particularly the cytokine release syndrome, are a major source of worry after treatment administration. Attempts to alter gamma/delta T-cells and NK cells with CAR, on the other hand, have demonstrated higher effectiveness and safety than conventional CAR-T cells. CONCLUSION To improve the use of immunotherapies, a greater understanding of the prostate cancer microenvironment is required. Concerning toxicity, more research is needed to find the most specific and highly expressed prostate antigens. Furthermore, discovering predictive biomarkers for toxicities, as well as choosing the correct patient for therapy, might decrease immune-related side effects and achieve a greater response.
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Affiliation(s)
| | | | | | - Majd Hamdi Dajani
- Medical Student, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Walaa Bayoumie El Gazzar
- Department of Basic medical sciences, Faculty of Medicine, Hashemite University, Zarqa, Jordan.,Department of Medical Biochemistry and molecular biology, Faculty of Medicine, Benha University, Benha city, Egypt
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38
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Mao C, Ding Y, Xu N. A Double-Edged Sword Role of Cytokines in Prostate Cancer Immunotherapy. Front Oncol 2021; 11:688489. [PMID: 34868907 PMCID: PMC8635015 DOI: 10.3389/fonc.2021.688489] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 10/25/2021] [Indexed: 01/02/2023] Open
Abstract
Prostate cancer (PC) is one of the most common malignancies among men and is the second leading cause of cancer death. PC immunotherapy has taken relatively successful steps in recent years, and these treatments are still being developed and tested. Evidence suggests that immunotherapy using cytokines as essential mediators in the immune system may help treat cancer. It has been shown that cytokines play an important role in anti-tumor defense. On the other hand, other cytokines can also favor the tumor and suppress anti-tumor responses. Moreover, the dose of cytokine in cancer cytokine-based immunotherapy, as well as the side effects of high doses, can also affect the outcomes of treatment. Cytokines can also be determinative in the outcome of other immunotherapy methods used in PC. In this review, the role of cytokines in the pathogenesis of cancer and their impacts on the main types of immunotherapies in the treatment of PC are discussed.
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Affiliation(s)
- Chenyu Mao
- Department of Medical Oncology Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yongfeng Ding
- Department of Medical Oncology Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Nong Xu
- Department of Medical Oncology Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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39
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Nada MH, Wang H, Hussein AJ, Tanaka Y, Morita CT. PD-1 checkpoint blockade enhances adoptive immunotherapy by human Vγ2Vδ2 T cells against human prostate cancer. Oncoimmunology 2021; 10:1989789. [PMID: 34712512 PMCID: PMC8547840 DOI: 10.1080/2162402x.2021.1989789] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Human Vγ2Vδ2 (also termed Vγ9Vδ2) T cells play important roles in microbial and tumor immunity by monitoring foreign- and self-prenyl pyrophosphate metabolites in isoprenoid biosynthesis. Accumulation of isoprenoid metabolites after bisphosphonate treatment allows Vγ2Vδ2 T cells to recognize and kill tumors independently of their MHC expression or burden of non-synonymous mutations. Clinical trials with more than 400 patients show that adoptive immunotherapy with Vγ2Vδ2 T cells has few side effects but has resulted in only a few partial and complete remissions. Here, we have tested Vγ2Vδ2 T cells for expression of inhibitory receptors and determined whether adding PD-1 checkpoint blockade to adoptively transferred Vγ2Vδ2 T cells enhances immunity to human PC-3 prostate tumors in an NSG mouse model. We find that Vγ2Vδ2 T cells express PD-1, CTLA-4, LAG-3, and TIM-3 inhibitory receptors during the 14-day ex vivo expansion period, and PD-1, LAG-3, and TIM-3 upon subsequent stimulation by pamidronate-treated tumor cells. Expression of PD-L1 on PC-3 prostate cancer cells was increased by co-culture with activated Vγ2Vδ2 T cells. Importantly, anti-PD-1 mAb treatment enhanced Vγ2Vδ2 T cell immunity to PC-3 tumors in immunodeficient NSG mice, reducing tumor volume nearly to zero after 5 weeks. These results demonstrate that PD-1 checkpoint blockade can enhance the effectiveness of adoptive immunotherapy with human γδ T cells in treating prostate tumors in a preclinical model.
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Affiliation(s)
- Mohanad H Nada
- Department of Veterans Affairs, Iowa City Veterans Health Care System, Iowa City, IA, USA.,Division of Immunology, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, USA.,Department of Pathology, College of Medicine, Tikrit University, Tikrit, Iraq.,Department of Medical and Health Sciences, The American University of Iraq, Sulaimani, Sulaymaniah, Iraq
| | - Hong Wang
- Department of Veterans Affairs, Iowa City Veterans Health Care System, Iowa City, IA, USA.,Division of Immunology, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Auter J Hussein
- Department of Veterans Affairs, Iowa City Veterans Health Care System, Iowa City, IA, USA.,Salah Al-Din Directorate of Health, Ministry of Health, Iraq
| | - Yoshimasa Tanaka
- Center for Medical Innovation, Nagasaki University, Nagasaki Japan
| | - Craig T Morita
- Department of Veterans Affairs, Iowa City Veterans Health Care System, Iowa City, IA, USA.,Division of Immunology, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, USA.,Interdisciplinary Graduate Program in Immunology,University of Iowa Carver College of Medicine, Iowa City, IA, USA
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40
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Giraudet AL, Kryza D, Hofman M, Moreau A, Fizazi K, Flechon A, Hicks RJ, Tran B. PSMA targeting in metastatic castration-resistant prostate cancer: where are we and where are we going? Ther Adv Med Oncol 2021; 13:17588359211053898. [PMID: 34721674 PMCID: PMC8554551 DOI: 10.1177/17588359211053898] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 09/30/2021] [Indexed: 12/13/2022] Open
Abstract
Prostate-specific membrane antigen (PSMA) is highly expressed on the membrane of most prostate cancer cells and to a lesser extent in normal tissues. Many vectors targeting this protein have been created over the past decade and numerous clinical studies have positively demonstrated the tolerance and efficacy of radiolabeled prostate-specific membrane antigen ligands for PSMA radioligand therapy (PRLT). Preliminary results are encouraging that PRLT will become an important addition to the current therapeutic options in a number of settings. Improvement in radiopharmaceutical targeting and combination with other oncological agents are under investigation to further improve its therapeutic efficacy. These encouraging results have led to the development of other therapies using PSMA as a target, such as PSMA-targeted chimeric antigen receptor T-cells, PSMA-targeted antibody drug conjugates, and PSMA-targeted bi-specific T-cell-directed therapy. This narrative review details the current state and advancements in prostate-specific membrane antigen targeting in prostate cancer treatment.
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Affiliation(s)
- Anne-Laure Giraudet
- Nuclear Medicine Department LUMEN, Regional Cancer Research Centre Leon Berard, 15 rue Gabriel Sarrazin, 69373 Lyon, France
- Unité INSERM U1296, Centre Léon Bérard, Lyon, France
| | - David Kryza
- Nuclear Medicine Department LUMEN, Regional Cancer Research Centre Leon Berard, Lyon, France
- UNIV Lyon—Université Claude Bernard Lyon 1, LAGEPP UMR 5007 CNRS, Villeurbanne, France
- Hospices Civils de Lyon, Lyon, France
| | - Michael Hofman
- Nuclear Medicine, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC, Australia
| | - Aurélie Moreau
- Nuclear Medicine Department LUMEN, Regional Cancer Research Centre Leon Berard, Lyon, France
| | - Karim Fizazi
- Medical Oncology, Institut Gustave-Roussy, Villejuif, France
- Université Paris-Sud 11, Orsay, France
| | - Aude Flechon
- Department of Medical Oncology, Regional Cancer Research Centre Leon Bérard, Lyon, France
| | - Rodney J. Hicks
- Nuclear Medicine, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC, Australia
| | - Ben Tran
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC, Australia
- Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
- Division of Personalized Medicine, Walter and Eliza Hall Institute, Melbourne, VIC, Australia
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41
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Wu S, Chen G, Zhang Q, Wang G, Chen QH. 3- O-Carbamoyl-5,7,20- O-trimethylsilybins: Synthesis and Preliminary Antiproliferative Evaluation. Molecules 2021; 26:6421. [PMID: 34770829 PMCID: PMC8588252 DOI: 10.3390/molecules26216421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 11/17/2022] Open
Abstract
To search for novel androgen receptor (AR) modulators for the potential treatment of castration-resistant prostate cancer (CRPC), naturally occurring silibinin was sought after as a lead compound because it possesses a moderate potency towards AR-positive prostate cancer cells and its chemical scaffold is dissimilar to all currently marketed AR antagonists. On the basis of the structure-activity relationships that we have explored, this study aims to incorporate carbamoyl groups to the alcoholic hydroxyl groups of silibinin to improve its capability in selectively suppressing AR-positive prostate cancer cell proliferation together with water solubility. To this end, a feasible approach was developed to regioselectively introduce a carbamoyl group to the secondary alcoholic hydroxyl group at C-3 without causing the undesired oxidation at C2-C3, providing an avenue for achieving 3-O-carbamoyl-5,7,20-O-trimethylsilybins. The application of the synthetic method can be extended to the synthesis of 3-O-carbamoyl-3',4',5,7-O-tetramethyltaxifolins. The antiproliferative potency of 5,7,20-O-trimethylsilybin and its nine 3-carbamoyl derivatives were assessed in an AR-positive LNCaP prostate cancer cell line and two AR-null prostate cancer cell lines (PC-3 and DU145). Our preliminary bioassay data imply that 5,7,20-O-trimethylsilybin and four 3-O-carbamoyl-5,7,20-O-trimethylsilybins emerge as very promising lead compounds due to the fact that they can selectively suppress AR-positive LNCaP cell proliferation. The IC50 values of these five 5,7,20-O-trimethylsilybins against the LNCaP cells fall into the range of 0.11-0.83 µM, which exhibit up to 660 times greater in vitro antiproliferative potency than silibinin. Our findings suggest that carbamoylated 5,7,20-O-trimethylsilybins could serve as a natural product-based scaffold for new antiandrogens for lethal castration-resistant prostate cancer.
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Affiliation(s)
- Sitong Wu
- Department of Chemistry and Biochemistry, California State University, Fresno, CA 93740, USA; (S.W.); (G.C.)
| | - Guanglin Chen
- Department of Chemistry and Biochemistry, California State University, Fresno, CA 93740, USA; (S.W.); (G.C.)
| | - Qiang Zhang
- Department of Chemistry and RCMI Cancer Research Center, Xavier University of Louisiana, New Orleans, LA 70125, USA; (Q.Z.); (G.W.)
| | - Guangdi Wang
- Department of Chemistry and RCMI Cancer Research Center, Xavier University of Louisiana, New Orleans, LA 70125, USA; (Q.Z.); (G.W.)
| | - Qiao-Hong Chen
- Department of Chemistry and Biochemistry, California State University, Fresno, CA 93740, USA; (S.W.); (G.C.)
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Tahmasebi S, Elahi R, Khosh E, Esmaeilzadeh A. Programmable and multi-targeted CARs: a new breakthrough in cancer CAR-T cell therapy. Clin Transl Oncol 2021; 23:1003-1019. [PMID: 32997278 DOI: 10.1007/s12094-020-02490-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022]
Abstract
CAR-T cell therapy, as a novel immunotherapy approach, has indicated successful results in the treatment of hematological malignancies; however, distinct results have been achieved regarding solid tumors. Tumor immunosuppressive microenvironment has been identified as the most critical barrier in CAR-T cell therapy of solid tumors. Developing novel strategies to augment the safety and efficacy of CAR-T cells could be useful to overcome the solid tumor hurdles. Similar to other cancer treatments, CAR-T cell therapy can cause some side effects, which can disturb the healthy tissues. In the current review, we will discuss the practical breakthroughs in CAR-T cell therapy using the multi-targeted and programmable CARs instead of conventional types. These superior types of CAR-T cells have been developed to increase the function and safety of T cells in a controllable manner, which would diminish the incidence of relevant side effects. Moreover, we will describe the capability of these powerful CARs in targeting multiple tumor antigens, redirecting the CAR-T cells to specific target cells, incrementing the safety of CARs, and other advantages that lead to promising outcomes in cancer CAR-T cell therapy.
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Affiliation(s)
- S Tahmasebi
- Department of Immunology, Health Faculty, Tehran University of Medical Sciences, Tehran, Iran
| | - R Elahi
- School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - E Khosh
- School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - A Esmaeilzadeh
- Department of Immunology, Zanjan University of Medical Science, Zanjan, Iran.
- Cancer Gene Therapy Research Center, Zanjan University of Medical Science, Zanjan, Iran.
- Immunotherapy Research and Technology Group, Zanjan University of Medical Science, Zanjan, Iran.
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Zhou JE, Yu J, Wang Y, Wang H, Wang J, Wang Y, Yu L, Yan Z. ShRNA-mediated silencing of PD-1 augments the efficacy of chimeric antigen receptor T cells on subcutaneous prostate and leukemia xenograft. Biomed Pharmacother 2021; 137:111339. [PMID: 33550044 DOI: 10.1016/j.biopha.2021.111339] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 01/10/2023] Open
Abstract
Chimeric antigen receptor T cells (CAR-T) immunotherapy has shown promising clinical results in the treatment of leukemia and lymphoma, but the effectiveness is limited for solid tumors. The PD-1/PD-L1 pathway is a key immunosuppressive mechanism for cancer cells to avoid eradication by CAR-T cells. In this study, the shRNA (short hair RNA) gene-silencing technique was used to construct the third-generation of CAR-T cells with PD-1 silencing which targeted CD19 antigen (CD19/△PD-1 CAR-T) and prostate stem cell antigen (PSCA/△PD-1 CAR-T), thereby blocking the PD-1/PD-L1 pathway in treatment of lymphoma and prostate subcutaneous xenograft and enhancing the anti-tumor effect of CAR-T cells. The cell experiments showed that PD-1 silencing in CAR-T cells effectively blocked the PD-1 / PD-L1 pathway. When the ratio of effector to target cell is 8:1, △PD-1 CAR-T cells exhibited higher killing ability and cytokine releasing ability than normal CAR-T cells did. The subcutaneous tumor models were constructed using human chronic myelogenous leukemia cells expressing CD19 (K562-CD19) and human prostate cancer cells expressing PSCA (PC3-PSCA), and treated with CD19/△PD-1 CAR-T and PSCA/△PD-1 CAR-T cells, respectively. The tumor volumes significantly reduced within one week, indicating the good tumor growth inhibitory effect of △PD-1 CAR-T cells. Mice injected with △PD-1 CAR-T cells showed a significantly prolonged survival time compared to those with normal CAR-T cells. This study proved that shRNA-mediated PD-1 silencing technology is an effective strategy for blocking the PD-1/PD-L1 immunosuppression pathway and enhancing the therapeutic effect of CAR-T cells on subcutaneous xenograft. SUMMARY: The effect of CAR-T in treating solid tumors has not been as successful as that in hematological malignancies. The key immunosuppressive mechanism is the expression of PD-1/PD-L1. We used gene silencing technique mediated by shRNA (short hair RNA) to block the PD-1/PD-L1 pathway in lymphoma and prostate tumors, thus enhancing the anti-tumor effect of CAR-T cells on subcutaneous xenograft.
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Affiliation(s)
- Jing-E Zhou
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Jing Yu
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Yeying Wang
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Hao Wang
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Jing Wang
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Yiting Wang
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Lei Yu
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China.
| | - Zhiqiang Yan
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China.
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ANO7: Insights into topology, function, and potential applications as a biomarker and immunotherapy target. Tissue Cell 2021; 72:101546. [PMID: 33940566 DOI: 10.1016/j.tice.2021.101546] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 03/21/2021] [Accepted: 04/11/2021] [Indexed: 01/01/2023]
Abstract
Anoctamin 7 (ANO7) is a member of the transmembrane protein TMEM16 family. It has a conservative topology similar to other members in this family, such as the typical eight-transmembrane domain, but it also has unique features. Although the ion channel role of ANO7 has been well accepted, evolutionary analyses and relevant studies suggest that ANO7 may be a multi-facet protein in function. Studies have shown that ANO7 may also function as a scramblase. ANO7 is highly expressed in prostate cancer as well as normal prostate tissues. A considerable amount of evidence has confirmed that ANO7 is associated with human physiology and pathology, particularly with the development of prostate cancer, which makes ANO7 a good candidate as a diagnostic and prognostic biomarker. In addition, ANO7 may be a potential target for prostate cancer immunotherapy. Antibody-based or T cell-mediated immunotherapies against prostate cancer by targeting ANO7 have been highly anticipated. ANO7 may also correlate with several other types of cancers or diseases, where further studies are warranted.
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Kvízová J, Pavlíčková V, Kmoníčková E, Ruml T, Rimpelová S. Quo Vadis Advanced Prostate Cancer Therapy? Novel Treatment Perspectives and Possible Future Directions. Molecules 2021; 26:2228. [PMID: 33921501 PMCID: PMC8069564 DOI: 10.3390/molecules26082228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/09/2021] [Accepted: 04/09/2021] [Indexed: 11/29/2022] Open
Abstract
Prostate cancer is a very common disease, which is, unfortunately, often the cause of many male deaths. This is underlined by the fact that the early stages of prostate cancer are often asymptomatic. Therefore, the disease is usually detected and diagnosed at late advanced or even metastasized stages, which are already difficult to treat. Hence, it is important to pursue research and development not only in terms of novel diagnostic methods but also of therapeutic ones, as well as to increase the effectiveness of the treatment by combinational medicinal approach. Therefore, in this review article, we focus on recent approaches and novel potential tools for the treatment of advanced prostate cancer; these include not only androgen deprivation therapy, antiandrogen therapy, photodynamic therapy, photothermal therapy, immunotherapy, multimodal therapy, but also poly(ADP-ribose) polymerase, Akt and cyclin-dependent kinase inhibitors.
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Affiliation(s)
- Jana Kvízová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 3, 166 28 Prague, Czech Republic; (J.K.); (V.P.); (T.R.)
- Bioinova, s.r.o., Vídeňská 1083, 140 20 Praha, Czech Republic
| | - Vladimíra Pavlíčková
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 3, 166 28 Prague, Czech Republic; (J.K.); (V.P.); (T.R.)
| | - Eva Kmoníčková
- Institute of Experimental Medicine of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic;
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 3, 166 28 Prague, Czech Republic; (J.K.); (V.P.); (T.R.)
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 3, 166 28 Prague, Czech Republic; (J.K.); (V.P.); (T.R.)
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Hernando Polo S, Moreno Muñoz D, Rosero Rodríguez AC, Silva Ruiz J, Rosero Rodríguez DI, Couñago F. Changing the History of Prostate Cancer with New Targeted Therapies. Biomedicines 2021; 9:biomedicines9040392. [PMID: 33917592 PMCID: PMC8067446 DOI: 10.3390/biomedicines9040392] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/26/2021] [Accepted: 03/27/2021] [Indexed: 02/07/2023] Open
Abstract
The therapeutic landscape of metastatic castration-resistant prostate cancer (mCRPC) is changing due to the emergence of new targeted therapies for the treatment of different molecular subtypes. Some biomarkers are described as potential molecular targets different from classic androgen receptors (AR). Approximately 20–25% of mCRPCs have somatic or germline alterations in DNA repair genes involved in homologous recombination. These subtypes are usually associated with more aggressive disease. Inhibitors of the enzyme poly ADP ribose polymerase (PARPi) have demonstrated an important benefit in the treatment of these subtypes of tumors. However, tumors that resistant to PARPi and wildtype BRCA tumors do not benefit from these therapies. Recent studies are exploring drug combinations with phosphatidylinositol-3-kinase (PI3K) or protein kinase B (AKT) inhibitors, as mechanisms to overcome resistance or to induce BRCAness and synthetic lethality. This article reviews various different novel strategies to improve outcomes in patients with prostate cancer.
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Affiliation(s)
- Susana Hernando Polo
- Department of Medical Oncology, Hospital Universitario Fundación Alcorcón, 28922 Madrid, Spain
- Correspondence: (S.H.P.); (D.M.M.); Tel.: +34-916-219-490 (S.H.P. & D.M.M.)
| | - Diana Moreno Muñoz
- Department of Medical Oncology, Hospital Universitario Fundación Alcorcón, 28922 Madrid, Spain
- Correspondence: (S.H.P.); (D.M.M.); Tel.: +34-916-219-490 (S.H.P. & D.M.M.)
| | | | - Jorge Silva Ruiz
- Centro Nacional de Investigaciones Oncológicas (CNIO), Unidad de Cáncer de Mama, 28029 Madrid, Spain;
| | | | - Felipe Couñago
- Department of Radiation Oncology, Hospital Universitario Quirónsalud, 28223 Madrid, Spain;
- Department of Radiation Oncology, Hospital La Luz, 28003 Madrid, Spain
- Clinical Department, Faculty of Biomedicine, Universidad Europea, 28670 Madrid, Spain
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Abstract
The inherent or developed resistance of many cancer cells to chemotherapy and irradiation is actually the main challenge to overcome in cancer treatment. It is well known that cancer cells are characterized by several hallmarks, and it seems that the ability to evolve ways to evade stressful conditions and killing therapies must be consider another typical characteristic displayed by all malignant cells. This overview aims to provide a concise description of the main mechanisms involved in the promotion of resistance to anticancer therapy and to describe the most frequent challenges faced in the war against cancer therapy resistance.
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Affiliation(s)
- Martha Robles-Flores
- Department of Biochemistry, Faculty of Medicine, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico.
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48
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Management of men with metastatic castration-resistant prostate cancer following potent androgen receptor inhibition: a review of novel investigational therapies. Prostate Cancer Prostatic Dis 2020; 24:301-309. [PMID: 33168966 DOI: 10.1038/s41391-020-00299-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Androgen-targeted therapy and chemotherapy are currently the mainstay of treatment in metastatic castration resistant prostate cancer (mCRPC). When progression occurs despite these therapeutic strategies, additional FDA-approved treatment options are lacking. However, there is a vast amount of emerging data surrounding novel investigational therapies in this space. METHODS We reviewed and summarized the body of literature surrounding the current treatment options for mCRPC. Medline and Pubmed as well as abstracts from international congresses were utilized to gather relevant literature surrounding investigational treatment of mCRPC. We highlight the results of recent trials investigating the use of novel strategies to treat mCRPC. RESULTS Androgen-targeted therapy and chemotherapy will remain foundational in the treatment of mCRPC. However, heavily pretreated patients who have developed resistance may benefit from novel therapeutic strategies. The use of poly(adenosine diphosphate [ADP]-ribose) polymerase inhibitors (PARPi) has now gained FDA approval for patients with homologous recombination repair (HRR) gene mutations. Novel androgen receptor (AR) degraders and the use of radioligand therapy (RLT) with Lu-PSMA-617 (Lu-PSMA) are under investigation. Immune-directed therapies, including programmed death (PD-1) inhibition, bi-specific T-cell engager (BiTE) technology, and chimeric antigen receptor (CAR) T-cell therapy, have shown promise in early phase trials. Further understanding of resistance mechanisms has led to additional therapeutic targets, including targeting the PI3K-Akt-mTOR pathway and enhancer of zester homolog 2 (EZH2). CONCLUSIONS Based on our review of the literature, exciting new therapeutic strategies exist for the treatment of mCRPC. In particular, PARPi, AR degraders, PSMA-targeted therapies, immune-directed therapies, and agents targeting resistance mechanisms as monotherapy or in combination could improve patient outcomes. Additional data from randomized trials are necessary to understand the efficacy and tolerability of these treatment strategies.
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Krishna D, Rittié L, Tran H, Zheng X, Chen-Rogers CE, McGillivray A, Clay T, Ketkar A, Tarnowski J. Short Time to Market and Forward Planning Will Enable Cell Therapies to Deliver R&D Pipeline Value. Hum Gene Ther 2020; 32:433-445. [PMID: 33023309 DOI: 10.1089/hum.2020.212] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
There is considerable industry excitement about the curative potential of cell and gene therapies, but significant challenges remain in designing cost-effective treatments that are accessible globally. We have taken a modeling-based approach to define the cost and value drivers for cell therapy assets during pharmaceutical drug development. We have created a model development program for a lentiviral modified ex vivo autologous T cell therapy for Oncology indications. Using internal and external benchmarks, we have estimated the total out-of-pocket cost of development for an Oncology cell therapy asset from target identification to filing of marketing application to be $500-600 million. Our model indicates that both clinical and Chemistry Manufacturing and Controls (CMC) cost of development for cell therapies are higher due to unique considerations of ex vivo autologous cell therapies. We have computed a threshold revenue-generating patient number for our model asset that enables selection of assets that can address high unmet medical need and generate pipeline value. Using statistical approaches, we identified that short time to market (<5 years) and reduced commercial cost of goods (<$65,000 per dose) will be essential in developing competitive assets and we propose solutions to reduce both. We emphasize that teams must proactively plan alternate development scenarios with clear articulation of path to value generation and greater patient access. We recommend using a modeling-based approach to enable data driven go/no-go decisions during multigenerational cell therapy development.
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Affiliation(s)
- Delfi Krishna
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Laure Rittié
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Hoang Tran
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Xuan Zheng
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Chia-En Chen-Rogers
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Amanda McGillivray
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Timothy Clay
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Amol Ketkar
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
| | - Joseph Tarnowski
- GlaxoSmithKline Pharmaceutical Research and Development, Collegeville, Pennsylvania, USA
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50
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Zhou JT, Liu JH, Song TT, Ma B, Amidula N, Bai C. EGLIF-CAR-T Cells Secreting PD-1 Blocking Antibodies Significantly Mediate the Elimination of Gastric Cancer. Cancer Manag Res 2020; 12:8893-8902. [PMID: 33061585 PMCID: PMC7520465 DOI: 10.2147/cmar.s260915] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/22/2020] [Indexed: 12/21/2022] Open
Abstract
Objective To investigate the anti-tumor effects of programmed cell death protein 1 (PD-1) scFv-secreting EGFR-chimeric antigen receptor-modified (CAR)-T cells against gastric cancer. Methods Second-generation EGFR-CAR-T cells and fourth-generation PD-1 scFv-secreting EGFR-CAR-T cells were engineered. The anti-tumor activities of chimeric antigen receptor-modified (CAR)-T cells were analyzed in vitro by long-term co-culture with gastric cancer cells. The tumor scavenging capacity in vivo was evaluated in xenograft and PDX mouse models. Results EGFR-CAR-T cells secreting PD-1 scFv showed enhanced long-term tumor cell killing capacity in vitro. These cells also showed significant anti-tumor effect in the subcutaneous xenograft model of gastric cancer as well as in the PDX model, and autocrine PD-1 antibody secretion significantly increased tumor infiltration of the CAR-T cells. Conclusion EGFR-CAR-T cells secreting PD-1 scFv are highly effective against gastric cancer and offer new insights into anti-cancer immunotherapy.
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Affiliation(s)
- Jing-Tao Zhou
- General Surgery, The Seventh Affiliated Hospital of Xinjiang Medical University, Urumqi, People's Republic of China
| | - Jiang-Hao Liu
- General Surgery, Xinjiang Uygur Autonomous Region Eighth People's Hospital, Urumqi, People's Republic of China
| | - Ting-Ting Song
- General Surgery, Xinjiang Uygur Autonomous Region Eighth People's Hospital, Urumqi, People's Republic of China
| | - Bo Ma
- General Surgery, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, People's Republic of China
| | - Nuermaimait Amidula
- General Surgery, The Seventh Affiliated Hospital of Xinjiang Medical University, Urumqi, People's Republic of China
| | - Chao Bai
- Department of Vascular and Thyroid Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, People's Republic of China
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