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Li WJ, Wang Y, Liu R, Kasinski AL, Shen H, Slack FJ, Tang DG. MicroRNA-34a: Potent Tumor Suppressor, Cancer Stem Cell Inhibitor, and Potential Anticancer Therapeutic. Front Cell Dev Biol 2021; 9:640587. [PMID: 33763422 PMCID: PMC7982597 DOI: 10.3389/fcell.2021.640587] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/03/2021] [Indexed: 12/17/2022] Open
Abstract
Overwhelming evidence indicates that virtually all treatment-naive tumors contain a subpopulation of cancer cells that possess some stem cell traits and properties and are operationally defined as cancer cell stem cells (CSCs). CSCs manifest inherent heterogeneity in that they may exist in an epithelial and proliferative state or a mesenchymal non-proliferative and invasive state. Spontaneous tumor progression, therapeutic treatments, and (epi)genetic mutations may also induce plasticity in non-CSCs and reprogram them into stem-like cancer cells. Intrinsic cancer cell heterogeneity and induced cancer cell plasticity, constantly and dynamically, generate a pool of CSC subpopulations with varying levels of epigenomic stability and stemness. Despite the dynamic and transient nature of CSCs, they play fundamental roles in mediating therapy resistance and tumor relapse. It is now clear that the stemness of CSCs is coordinately regulated by genetic factors and epigenetic mechanisms. Here, in this perspective, we first provide a brief updated overview of CSCs. We then focus on microRNA-34a (miR-34a), a tumor-suppressive microRNA (miRNA) devoid in many CSCs and advanced tumors. Being a member of the miR-34 family, miR-34a was identified as a p53 target in 2007. It is a bona fide tumor suppressor, and its expression is dysregulated and downregulated in various human cancers. By targeting stemness factors such as NOTCH, MYC, BCL-2, and CD44, miR-34a epigenetically and negatively regulates the functional properties of CSCs. We shall briefly discuss potential reasons behind the failure of the first-in-class clinical trial of MRX34, a liposomal miR-34a mimic. Finally, we offer several clinical settings where miR-34a can potentially be deployed to therapeutically target CSCs and advanced, therapy-resistant, and p53-mutant tumors in order to overcome therapy resistance and curb tumor relapse.
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Affiliation(s)
- Wen Jess Li
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States.,Experimental Therapeutics Graduate Program, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Yunfei Wang
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States.,Department of Gynecology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Ruifang Liu
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Andrea L Kasinski
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
| | - Haifa Shen
- Department of Nanomedicine, Houston Methodist Research Institute, Weill Cornell Medical College, Houston, TX, United States
| | - Frank J Slack
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Dean G Tang
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States.,Experimental Therapeutics Graduate Program, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
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52
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Su C, Zhang J, Yarden Y, Fu L. The key roles of cancer stem cell-derived extracellular vesicles. Signal Transduct Target Ther 2021; 6:109. [PMID: 33678805 PMCID: PMC7937675 DOI: 10.1038/s41392-021-00499-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer stem cells (CSCs), the subpopulation of cancer cells, have the capability of proliferation, self-renewal, and differentiation. The presence of CSCs is a key factor leading to tumor progression and metastasis. Extracellular vesicles (EVs) are nano-sized particles released by different kinds of cells and have the capacity to deliver certain cargoes, such as nucleic acids, proteins, and lipids, which have been recognized as a vital mediator in cell-to-cell communication. Recently, more and more studies have reported that EVs shed by CSCs make a significant contribution to tumor progression. CSCs-derived EVs are involved in tumor resistance, metastasis, angiogenesis, as well as the maintenance of stemness phenotype and tumor immunosuppression microenvironment. Here, we summarized the molecular mechanism by which CSCs-derived EVs in tumor progression. We believed that the fully understanding of the roles of CSCs-derived EVs in tumor development will definitely provide new ideas for CSCs-based therapeutic strategies.
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Affiliation(s)
- Chaoyue Su
- grid.488530.20000 0004 1803 6191State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, People’s Republic of China ,grid.410737.60000 0000 8653 1072Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Jianye Zhang
- grid.410737.60000 0000 8653 1072Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Yosef Yarden
- grid.13992.300000 0004 0604 7563Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Liwu Fu
- grid.488530.20000 0004 1803 6191State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, People’s Republic of China
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Shen M, Liu S, Stoyanova T. The role of Trop2 in prostate cancer: an oncogene, biomarker, and therapeutic target. AMERICAN JOURNAL OF CLINICAL AND EXPERIMENTAL UROLOGY 2021; 9:73-87. [PMID: 33816696 PMCID: PMC8012837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/24/2020] [Indexed: 06/12/2023]
Abstract
Prostate cancer remains the second leading cause of cancer-associated deaths amongst American men. Trop2, a cell surface glycoprotein, correlates with poor clinical outcome and is highly expressed in metastatic, treatment-resistant prostate cancer. High levels of Trop2 are prognostic for biochemical recurrence. Trop2 regulates tumor growth and metastatic ability of prostate cancer. Moreover, overexpression of Trop2 drives the transdifferentiation to neuroendocrine phenotype in prostate cancer. In addition, Trop2 is overexpressed across epithelial cancers and has emerged as a promising therapeutic target in various solid epithelial cancers. The FDA (Food and Drug Administration) recently approved the use of a Trop2-targeting ADC (antibody-drug conjugate), Sacituzumab Govitecan (IMMU-132), for metastatic, triple-negative breast cancer with at least two prior therapies. Here, we review the role of Trop2 in prostate tumorigenesis and its potential as a promising biomarker and therapeutic target for prostate cancer.
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Affiliation(s)
- Michelle Shen
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University USA
| | - Shiqin Liu
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University USA
| | - Tanya Stoyanova
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University USA
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54
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Radiation Response of Cervical Cancer Stem Cells Is Associated with Pretreatment Proportion of These Cells and Physical Status of HPV DNA. Int J Mol Sci 2021; 22:ijms22031445. [PMID: 33535561 PMCID: PMC7867083 DOI: 10.3390/ijms22031445] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/24/2021] [Accepted: 01/28/2021] [Indexed: 12/17/2022] Open
Abstract
Radio- and chemoresistance of cancer stem cells (CSCs) is considered as one of the possible causes of adverse results of chemoradiotherapy for various malignancies, including cervical cancer. However, little is known about quantitative changes in the CSC subpopulation in the course of treatment and mechanisms for individual response of CSCs to therapy. The purpose of the study was to evaluate the association of radiation response of cervical CSCs with clinical and morphological parameters of disease and features of human papillomavirus (HPV) infection. The proportion of CD44+CD24low CSCs was determined by flow cytometry in cervical scrapings from 55 patients with squamous cell carcinoma of uterine cervix before treatment and after fractionated irradiation at a total dose of 10 Gy. Real-time PCR assay was used to evaluate molecular parameters of HPV DNA. Post-radiation increase in the CSC proportion was found in 47.3% of patients. Clinical and morphological parameters (stage, status of lymph node involvement, and histological type) were not significantly correlated with radiation changes in the CSC proportion. Single- and multifactor analyses revealed two independent indicators affecting the radiation response of CSCs: initial proportion of CSCs and physical status of HPV DNA (R = 0.86, p = 0.001 for the multiple regression model in the whole).
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55
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Matchuk ON, Zamulaeva IA, Selivanova EI, Mkrtchyan LS, Krikunova LI, Saburov VO, Lychagin AA, Kuliyeva GZ, Yakimova AO, Khokhlova AV, Ivanov SA, Kaprin AD. Effect of Fractionated Low-LET Radiation Exposure on Cervical Cancer Stem Cells under Experimental and Clinical Conditions. BIOL BULL+ 2021. [DOI: 10.1134/s1062359020110096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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56
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Long Z, Deng L, Li C, He Q, He Y, Hu X, Cai Y, Gan Y. Loss of EHF facilitates the development of treatment-induced neuroendocrine prostate cancer. Cell Death Dis 2021; 12:46. [PMID: 33414441 PMCID: PMC7790822 DOI: 10.1038/s41419-020-03326-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 12/01/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022]
Abstract
The rising of a highly aggressive subtype of castration-resistant prostate cancer (CRPC) named treatment-induced neuroendocrine prostate cancer (t-NEPC) after androgen deprivation therapy (ADT) is well known for its features of the neuroendocrine differentiation (NED) and androgen receptor (AR) independence. However, t-NEPC is still largely unknown. Here, we found that EHF is notably depressed in t-NEPC tumors, patient-derived xenografts, transgenic mice, and cell models. Results from cell lines uncovered that ADT represses EHF expression, which is required for the ADT-induced NED. Mechanism dissection revealed that ADT decreases the EHF transcription via relieving the AR binding to different androgen-responsive elements, which then promotes the expression and enzymatic activity of enhancer of zeste homolog 2 (EZH2), consequently catalyzing tri-methylation lysine 27 of histone H3 for transcriptional repression of its downstream genes to promote the NED. Furthermore, preclinical studies from cell and mice models proved that recovery of EHF expression or using EZH2 inhibitor can attenuate aggressive properties of CRPC cells, hinder the progression of t-NEPC, and promote the response of CPRC cells to enzalutamide. Together, we elucidate that the ADT/AR/EHF/EZH2 signaling is required for the ADT-enhanced NED and plays a critical role in the progression of t-NEPC.
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Affiliation(s)
- Zhi Long
- Department of Urology, Andrology Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Liang Deng
- Department of Urology, Andrology Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Chao Li
- Department of Urology, Andrology Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Qiangrong He
- Department of Urology, Andrology Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Yao He
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Xiheng Hu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Yi Cai
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Yu Gan
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
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Kahya U, Köseer AS, Dubrovska A. Amino Acid Transporters on the Guard of Cell Genome and Epigenome. Cancers (Basel) 2021; 13:E125. [PMID: 33401748 PMCID: PMC7796306 DOI: 10.3390/cancers13010125] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/26/2020] [Accepted: 12/27/2020] [Indexed: 02/06/2023] Open
Abstract
Tumorigenesis is driven by metabolic reprogramming. Oncogenic mutations and epigenetic alterations that cause metabolic rewiring may also upregulate the reactive oxygen species (ROS). Precise regulation of the intracellular ROS levels is critical for tumor cell growth and survival. High ROS production leads to the damage of vital macromolecules, such as DNA, proteins, and lipids, causing genomic instability and further tumor evolution. One of the hallmarks of cancer metabolism is deregulated amino acid uptake. In fast-growing tumors, amino acids are not only the source of energy and building intermediates but also critical regulators of redox homeostasis. Amino acid uptake regulates the intracellular glutathione (GSH) levels, endoplasmic reticulum stress, unfolded protein response signaling, mTOR-mediated antioxidant defense, and epigenetic adaptations of tumor cells to oxidative stress. This review summarizes the role of amino acid transporters as the defender of tumor antioxidant system and genome integrity and discusses them as promising therapeutic targets and tumor imaging tools.
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Affiliation(s)
- Uğur Kahya
- OncoRay–National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01309 Dresden, Germany; (U.K.); (A.S.K.)
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, 01328 Dresden, Germany
| | - Ayşe Sedef Köseer
- OncoRay–National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01309 Dresden, Germany; (U.K.); (A.S.K.)
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, 01328 Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany
| | - Anna Dubrovska
- OncoRay–National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01309 Dresden, Germany; (U.K.); (A.S.K.)
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, 01328 Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
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58
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Zehra S, Gómez-Ruiz S, Siddique HR, Tabassum S, Arjmand F. Water soluble ionic Co(II), Cu(II) and Zn(II) diimine-glycinate complexes targeted to tRNA: structural description, in vitro comparative binding, cleavage and cytotoxic studies towards chemoresistant prostate cancer cells. Dalton Trans 2020; 49:16830-16848. [PMID: 33179662 DOI: 10.1039/d0dt02657c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Four new water soluble Co(ii), Cu(ii) and Zn(ii) ionic metal complexes (1-4) [Cu(diimine)(H2O)2(glycinate)]+[glycinate]-, [Co(diimine)(H2O)4]+[glycinate]- and [Zn(diimine) (H2O)4]+[glycinate]-, where diimine = 2,2'-bipyridine (1-3) and 1,10-phenanthroline (4) were synthesized and thoroughly characterized by spectroscopic and single X-ray crystallographic studies. Complex 1 possesses a triclinic crystal system with a penta-coordinated geometry whereas complexes 2-4 crystallized in an isostructural monoclinic system having distorted octahedral geometry. Density functional theory (DFT) studies for complexes 1-4 were performed to correlate their geometrical parameters and to calculate the energy of frontier molecular orbitals. The corroborative results of spectroscopic and voltammetric studies with ct-DNA and tRNA revealed that the complexes bind noncovalently via an electrostatic mode of binding with specificity for tRNA as compared to ct-DNA. Gel electrophoresis experiments revealed that all the complexes unwind the plasmid pBR322 DNA at low micromolar concentrations (2-9 μM) following an oxidative mechanism for Cu(ii) and Co(ii) complexes (1, 2 and 4) whereas the Zn(ii) complex (3) mediates DNA cleavage by the hydrolytic pathway. The tRNA cleavage showed concentration and time dependent activity of the complexes to promote RNA hydrolysis. Furthermore, the BSA binding ability of complexes 1-4 was monitored, which revealed that the complexes could quench the intrinsic fluorescence in a static manner. Complexes 1-4 were found to be non-toxic towards normal prostate epithelial cells, PNT2, but were potent against chemoresistant metastatic prostate cancer cells, Du145, with GI50 values ranging from 12.75-37 μM. Complexes 1 and 2 also showed cytotoxic activity against cancer stem cells having GI50 values of 14.70 and 14.90 μM, respectively. Molecular docking studies were performed with DNA and tRNA which further validated the spectroscopic analysis demonstrating the higher binding affinity of the complexes towards tRNA.
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Affiliation(s)
- Siffeen Zehra
- Department of Chemistry, Aligarh Muslim University, Aligarh, U.P., India-202002.
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59
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Metabolic regulation of prostate cancer heterogeneity and plasticity. Semin Cancer Biol 2020; 82:94-119. [PMID: 33290846 DOI: 10.1016/j.semcancer.2020.12.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/12/2020] [Accepted: 12/03/2020] [Indexed: 02/07/2023]
Abstract
Metabolic reprogramming is one of the main hallmarks of cancer cells. It refers to the metabolic adaptations of tumor cells in response to nutrient deficiency, microenvironmental insults, and anti-cancer therapies. Metabolic transformation during tumor development plays a critical role in the continued tumor growth and progression and is driven by a complex interplay between the tumor mutational landscape, epigenetic modifications, and microenvironmental influences. Understanding the tumor metabolic vulnerabilities might open novel diagnostic and therapeutic approaches with the potential to improve the efficacy of current tumor treatments. Prostate cancer is a highly heterogeneous disease harboring different mutations and tumor cell phenotypes. While the increase of intra-tumor genetic and epigenetic heterogeneity is associated with tumor progression, less is known about metabolic regulation of prostate cancer cell heterogeneity and plasticity. This review summarizes the central metabolic adaptations in prostate tumors, state-of-the-art technologies for metabolic analysis, and the perspectives for metabolic targeting and diagnostic implications.
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60
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Qin S, Jiang J, Lu Y, Nice EC, Huang C, Zhang J, He W. Emerging role of tumor cell plasticity in modifying therapeutic response. Signal Transduct Target Ther 2020; 5:228. [PMID: 33028808 PMCID: PMC7541492 DOI: 10.1038/s41392-020-00313-5] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/25/2020] [Accepted: 08/30/2020] [Indexed: 02/07/2023] Open
Abstract
Resistance to cancer therapy is a major barrier to cancer management. Conventional views have proposed that acquisition of resistance may result from genetic mutations. However, accumulating evidence implicates a key role of non-mutational resistance mechanisms underlying drug tolerance, the latter of which is the focus that will be discussed here. Such non-mutational processes are largely driven by tumor cell plasticity, which renders tumor cells insusceptible to the drug-targeted pathway, thereby facilitating the tumor cell survival and growth. The concept of tumor cell plasticity highlights the significance of re-activation of developmental programs that are closely correlated with epithelial-mesenchymal transition, acquisition properties of cancer stem cells, and trans-differentiation potential during drug exposure. From observations in various cancers, this concept provides an opportunity for investigating the nature of anticancer drug resistance. Over the years, our understanding of the emerging role of phenotype switching in modifying therapeutic response has considerably increased. This expanded knowledge of tumor cell plasticity contributes to developing novel therapeutic strategies or combination therapy regimens using available anticancer drugs, which are likely to improve patient outcomes in clinical practice.
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Affiliation(s)
- Siyuan Qin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, 610041, Chengdu, People's Republic of China
| | - Jingwen Jiang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, 610041, Chengdu, People's Republic of China
| | - Yi Lu
- School of Medicine, Southern University of Science and Technology Shenzhen, Shenzhen, Guangdong, 518055, People's Republic of China
- Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, Guangdong, People's Republic of China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, 610041, Chengdu, People's Republic of China.
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Road, 611137, Chengdu, People's Republic of China.
| | - Jian Zhang
- School of Medicine, Southern University of Science and Technology Shenzhen, Shenzhen, Guangdong, 518055, People's Republic of China.
- Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, Guangdong, People's Republic of China.
| | - Weifeng He
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
- Chongqing Key Laboratory for Disease Proteomics, Chongqing, People's Republic of China.
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61
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Wróbel T, Luty M, Catapano J, Karnas E, Szczygieł M, Piwowarczyk K, Ryszawy D, Drabik G, Zuba‐Surma E, Siedlar M, Madeja Z, Elas M, Czyż J. CD44 + cells determine fenofibrate-induced microevolution of drug-resistance in prostate cancer cell populations. Stem Cells 2020; 38:1544-1556. [PMID: 32985018 PMCID: PMC7756969 DOI: 10.1002/stem.3281] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/11/2020] [Indexed: 12/19/2022]
Abstract
Combinations of metabolic blockers (incl. fenofibrate) with chemotherapeutic drugs interfere with the drug-resistance of prostate cancer cells. However, their effect on cancer stem cells-dependent microevolution of prostate cancer malignancy remains unaddressed. Here, we hypothesize that the combined docetaxel/fenofibrate treatment prompts the selective expansion of cancer stem cells that affects the microevolution of their progenies. Accordingly, we adapted a combined in vitro/in vivo approach to identify biological and therapeutic consequences of this process. Minute subpopulations of docetaxel-resistant CD133high and/or CD44high cancer stem cell-like (SCL) cells were found in prostate cancer DU145 and PC3 cell populations. When pretreated with docetaxel, they readily differentiated into docetaxel-resistant CD44negative "bulk" cells, thus accounting for the microevolution of drug-resistant cell lineages. Combined docetaxel/fenofibrate treatment induced the generation of poly(morpho)nuclear giant cells and drug-resistant CD44high SCL cells. However, the CD44negative offspring of docetaxel- and docetaxel/fenofibrate-treated SCLs remained relatively sensitive to the combined treatment, while retaining enhanced resistance to docetaxel. Long-term propagation of drug-resistant SCL-derived lineages in the absence of docetaxel/fenofibrate resulted in their reverse microevolution toward the drug-sensitivity and invasive phenotype. Consequently, prostate tumors were able to recover from the combined docetaxel/fenofibrate stress after the initial arrest of their expansion in vivo. In conclusion, we have confirmed the potential of fenofibrate for the metronomic treatment of drug-resistant prostate tumors. However, docetaxel/fenofibrate-induced selective expansion of hyper-resistant CD44high SCL prostate cells and their "bulk" progenies prompts the microevolution of prostate tumor drug-resistance. This process can limit the implementation of metabolic chemotherapy in prostate cancer treatment.
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Affiliation(s)
- Tomasz Wróbel
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Marcin Luty
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Jessica Catapano
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Elżbieta Karnas
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Małgorzata Szczygieł
- Department of Biophysics, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Katarzyna Piwowarczyk
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Damian Ryszawy
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Grażyna Drabik
- Department of TransplantologyInstitute of Paediatrics, Faculty of Medicine, Jagiellonian University Medical CollegeKrakówPoland
| | - Ewa Zuba‐Surma
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Maciej Siedlar
- Department of Clinical ImmunologyInstitute of Paediatrics, Faculty of Medicine, Jagiellonian University Medical CollegeKrakówPoland
| | - Zbigniew Madeja
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Martyna Elas
- Department of Biophysics, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
| | - Jarosław Czyż
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakówPoland
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62
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Carpenter VJ, Patel BB, Autorino R, Smith SC, Gewirtz DA, Saleh T. Senescence and castration resistance in prostate cancer: A review of experimental evidence and clinical implications. Biochim Biophys Acta Rev Cancer 2020; 1874:188424. [PMID: 32956765 DOI: 10.1016/j.bbcan.2020.188424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 01/10/2023]
Abstract
The development of Castration-Resistant Prostate Cancer (CRPC) remains a major challenge in the treatment of this disease. While Androgen Deprivation Therapy (ADT) can result in tumor shrinkage, a primary response of Prostate Cancer (PCa) cells to ADT is a senescent growth arrest. As a response to cancer therapies, senescence has often been considered as a beneficial outcome due to its association with stable growth abrogation, as well as the potential for immune system activation via the Senescence-Associated Secretory Phenotype (SASP). However, there is increasing evidence that not only can senescent cells regain proliferative capacity, but that senescence contributes to deleterious effects of cancer chemotherapy, including disease recurrence. Notably, the preponderance of work investigating the consequences of therapy-induced senescence on tumor progression has been performed in non-PCa models. Here, we summarize the evidence that ADT promotes a senescent response in PCa and postulate mechanisms by which senescence may contribute to the development of castration-resistance. Primarily, we suggest that ADT-induced senescence may support CRPC development via escape from senescence, by cell autonomous-reprogramming, and by the formation of a pro-tumorigenic SASP. However, due to the scarcity of direct evidence from PCa models, the consequences of ADT-induced senescence outlined here remain speculative until the relationship between senescence and CRPC can be experimentally defined.
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Affiliation(s)
- Valerie J Carpenter
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Bhaumik B Patel
- Department of Internal Medicine, Division of Hematology, Oncology & Palliative Care, VCU Health, Richmond, VA, USA
| | - Riccardo Autorino
- Department of Surgery, Division of Urology, VCU Health, Richmond, VA, USA
| | | | - David A Gewirtz
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Tareq Saleh
- The Department of Basic Medical Sciences, Faculty of Medicine, The Hashemite University, Zarqa, Jordan.
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63
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Bortolozzi R, Luraghi A, Mattiuzzo E, Sacchetti A, Silvani A, Viola G. Ecdysteroid Derivatives that Reverse P-Glycoprotein-Mediated Drug Resistance. JOURNAL OF NATURAL PRODUCTS 2020; 83:2434-2446. [PMID: 32790992 PMCID: PMC8009596 DOI: 10.1021/acs.jnatprod.0c00334] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 05/31/2023]
Abstract
The expression of multidrug resistance P-glycoprotein (P-gp) by cancer cells represents one of the major drawbacks to successful cancer therapy. Accordingly, the development of drugs that inhibit the activity of this transporter remains a major challenge in cancer drug discovery. In this context, several new ecdysteroid derivatives have been synthesized and evaluated as P-gp inhibitors. Two of them (compounds 9 and 14) were able to resensitize CEMVbl100 and LoVoDoxo resistant cell lines to vinblastine and doxorubicin, respectively. Indeed, both compounds 9 and 14 increased the cellular accumulation of rhodamine 123 in cells expressing P-gp and stimulated basal P-glycoprotein-ATPase activity at a 1 μM concentration, demonstrating their interference with the transport of other substrates in a competitive mode. Moreover, in a medulloblastoma cell line (DAOY), compounds 9 and 14 reduced the side population representing cancer stem cells, which are characterized by a high expression of ABC drug transporters. Further, in DAOY cells, the same two compounds synergized with cisplatin and vincristine, two drugs used commonly in the therapy of medulloblastoma. Molecular docking studies on the homology-modeled structure of the human P-glycoprotein provided a rationale for the biological results, validating the binding mode within the receptor site, in accordance with lipophilicity data and observed structure-activity relationship information. Altogether, the present results endorse these derivatives as promising P-gp inhibitors, and they may serve as candidates to reverse drug resistance in cancer cells.
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Affiliation(s)
- Roberta Bortolozzi
- Dipartimento
di Salute della Donna e del Bambino, Laboratorio di Oncoematologia, Università degli Studi di Padova, Via Giustiniani 2, Padova, 35128, Italy
- Istituto
di Ricerca Pediatrica (IRP) Corso Stati Uniti 4, Padova, 35129, Italy
| | - Andrea Luraghi
- Dipartimento
di Chimica, Università di Milano Via Golgi 19, Milano, 20133, Italy
| | - Elena Mattiuzzo
- Dipartimento
di Salute della Donna e del Bambino, Laboratorio di Oncoematologia, Università degli Studi di Padova, Via Giustiniani 2, Padova, 35128, Italy
| | - Alessandro Sacchetti
- Dipartimento
di Chimica, Materiali ed Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano, 20133, Italy
| | - Alessandra Silvani
- Dipartimento
di Chimica, Università di Milano Via Golgi 19, Milano, 20133, Italy
| | - Giampietro Viola
- Dipartimento
di Salute della Donna e del Bambino, Laboratorio di Oncoematologia, Università degli Studi di Padova, Via Giustiniani 2, Padova, 35128, Italy
- Istituto
di Ricerca Pediatrica (IRP) Corso Stati Uniti 4, Padova, 35129, Italy
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64
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Sekino Y, Teishima J. Molecular mechanisms of docetaxel resistance in prostate cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2020; 3:676-685. [PMID: 35582222 PMCID: PMC8992564 DOI: 10.20517/cdr.2020.37] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/28/2020] [Accepted: 07/07/2020] [Indexed: 01/12/2023]
Abstract
Docetaxel (DTX) chemotherapy offers excellent initial response and confers significant survival benefit in patients with castration-resistant prostate cancer (CRPC). However, the clinical utility of DTX is compromised when primary and acquired resistance are encountered. Therefore, a more thorough understanding of DTX resistance mechanisms may potentially improve survival in patients with CRPC. This review focuses on DTX and discusses its mechanisms of resistance. We outline the involvement of tubulin alterations, androgen receptor (AR) signaling/AR variants, ERG rearrangements, drug efflux/influx, cancer stem cells, centrosome clustering, and phosphoinositide 3-kinase/AKT signaling in mediating DTX resistance. Furthermore, potential biomarkers for DTX treatment and therapeutic strategies to circumvent DTX resistance are reviewed.
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Affiliation(s)
- Yohei Sekino
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan
| | - Jun Teishima
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan
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65
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STAT3 inhibition with galiellalactone effectively targets the prostate cancer stem-like cell population. Sci Rep 2020; 10:13958. [PMID: 32811873 PMCID: PMC7434889 DOI: 10.1038/s41598-020-70948-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 08/05/2020] [Indexed: 12/17/2022] Open
Abstract
Cancer stem cells (CSCs) are a small subpopulation of quiescent cells with the potential to differentiate into tumor cells. CSCs are involved in tumor initiation and progression and contribute to treatment failure through their intrinsic resistance to chemo- or radiotherapy, thus representing a substantial concern for cancer treatment. Prostate CSCs’ activity has been shown to be regulated by the transcription factor Signal Transducer and Activator of Transcription 3 (STAT3). Here we investigated the effect of galiellalactone (GL), a direct STAT3 inhibitor, on CSCs derived from prostate cancer patients, on docetaxel-resistant spheres with stem cell characteristics, on CSCs obtained from the DU145 cell line in vitro and on DU145 tumors in vivo. We found that GL significantly reduced the viability of docetaxel-resistant and patient-derived spheres. Moreover, CSCs isolated from DU145 cells were sensitive to low concentrations of GL, and the treatment with GL suppressed their viability and their ability to form colonies and spheres. STAT3 inhibition down regulated transcriptional targets of STAT3 in these cells, indicating STAT3 activity in CSCs. Our results indicate that GL can target the prostate stem cell niche in patient-derived cells, in docetaxel-resistant spheres and in an in vitro model. We conclude that GL represents a promising therapeutic approach for prostate cancer patients, as it reduces the viability of prostate cancer-therapy-resistant cells in both CSCs and non-CSC populations.
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66
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Zhang D, Zhang M, Zhang Q, Zhao Z, Nie Y. Identification of Prognostic Biomarkers Associated with Cancer Stem Cell Features in Prostate Adenocarcinoma. Med Sci Monit 2020; 26:e924543. [PMID: 32735556 PMCID: PMC7418486 DOI: 10.12659/msm.924543] [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] [Indexed: 11/25/2022] Open
Abstract
Background Prostate adenocarcinoma (PRAD) is the second most common malignancy in males and the fifth leading cause of cancer mortality. Cancer stem cells (CSCs) play an important role in the occurrence and development of PRAD, however, the prognostic biomarkers associated with CSC features have not been identified in PRAD. Material/Methods In order to identify the prognostic stemness-related genes (SRGs) of PRAD, the RNA sequencing data of patients with PRAD were retrieved from The Cancer Genome Atlas (TCGA) databases. The mRNA expression-based stemness index (mRNAsi) and the differential expressed genes (DEGs) were evaluated and identified. The associations between the mRNAsi and tumorigenesis, overall survival (OS), prostate-specific antigen (PSA) value, and Gleason score were also established by nonparametric test and Kaplan-Meier survival analysis. The SRGs were identified as the overlapped DEGs of PRAD-associated DEGs and the mRNAsi-associated DEGs. Based on the prognostic SRGs, the predict model was constructed. Its accuracy was tested by the area under the curve (AUC) of the receiver operator characteristic (ROC) curve and the risk score. Results A total of 6005 PRAD-associated DEGs and 2462 mRNAsi-associated DEGs were identified. The mRNAsi was significantly upregulated in PRAD and associated with the PSA value and Gleason score. A total of 1631 SRGs were identified, with 36 prognostic SRGs screened by the univariate Cox analysis. Based on the prognostic SRGs, the predict model was constructed with the AUC of 0.986. Moreover, the risk score of the model was proved to be an independent prognostic factor, indicating its significant applicability. Conclusions Our data demonstrate the mRNAsi as a reliable index for the tumorigenesis, PSA value, and Gleason score of PRAD. Additionally, this study provides a well-applied model for predicting the OS for patients with PRAD based on prognostic SRGs.
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Affiliation(s)
- Dehua Zhang
- Department of Urology, Yiling Hospital of Yichang, Yichang, Hubei, China (mainland)
| | - Muchun Zhang
- Department of Urology, Bethune First Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Qifu Zhang
- Department of Urology, Jilin Provincial Cancer Hospital, Changchun, Jilin, China (mainland)
| | - Zhiyi Zhao
- Department of Urology, Jilin Provincial Cancer Hospital, Changchun, Jilin, China (mainland)
| | - Yong Nie
- Department of Urology, Yiling Hospital of Yichang, Yichang, Hubei, China (mainland)
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67
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Prostate cancer-derived holoclones: a novel and effective model for evaluating cancer stemness. Sci Rep 2020; 10:11329. [PMID: 32647229 PMCID: PMC7347552 DOI: 10.1038/s41598-020-68187-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 06/19/2020] [Indexed: 12/19/2022] Open
Abstract
Prostate cancer accounts for approximately 13.5% of all newly diagnosed male cancer cases. Significant clinical burdens remain in terms of ineffective prognostication, with overtreatment of insignificant disease. Additionally, the pathobiology underlying disease heterogeneity remains poorly understood. As the role of cancer stem cells in the perpetuation of aggressive carcinoma is being substantiated by experimental evidence, it is crucially important to understand the molecular mechanisms, which regulate key features of cancer stem cells. We investigated two methods for in vitro cultivation of putative prostate cancer stem cells based on ‘high-salt agar’ and ‘monoclonal cultivation’. Data demonstrated ‘monoclonal cultivation’ as the superior method. We demonstrated that ‘holoclones’ expressed canonical stem markers, retained the exclusive ability to generate poorly differentiated tumours in NOD/SCID mice and possessed a unique mRNA-miRNA gene signature. miRNA:Target interactions analysis visualised potentially critical regulatory networks, which are dysregulated in prostate cancer holoclones. The characterisation of this tumorigenic population lays the groundwork for this model to be used in the identification of proteomic or small non-coding RNA therapeutic targets for the eradication of this critical cellular population. This is significant, as it provides a potential route to limit development of aggressive disease and thus improve survival rates.
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68
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Thankamony AP, Saxena K, Murali R, Jolly MK, Nair R. Cancer Stem Cell Plasticity - A Deadly Deal. Front Mol Biosci 2020; 7:79. [PMID: 32426371 PMCID: PMC7203492 DOI: 10.3389/fmolb.2020.00079] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/06/2020] [Indexed: 12/12/2022] Open
Abstract
Intratumoral heterogeneity is a major ongoing challenge in the effective therapeutic targeting of cancer. Accumulating evidence suggests that a fraction of cells within a tumor termed Cancer Stem Cells (CSCs) are primarily responsible for this diversity resulting in therapeutic resistance and metastasis. Adding to this complexity, recent studies have shown that there can be different subpopulations of CSCs with varying biochemical and biophysical traits resulting in varied dissemination and drug-resistance potential. Moreover, cancer cells can exhibit a high level of plasticity or the ability to dynamically switch between CSC and non-CSC states or among different subsets of CSCs. In addition, CSCs also display extensive metabolic plasticity. The molecular mechanisms underlying these different interconnected axes of plasticity has been under extensive investigation and the trans-differentiation process of Epithelial to Mesenchymal transition (EMT) has been identified as a major contributing factor. Besides genetic and epigenetic factors, CSC plasticity is also shaped by non-cell-autonomous effects such as the tumor microenvironment (TME). In this review, we discuss the latest developments in decoding mechanisms and implications of CSC plasticity in tumor progression at biochemical and biophysical levels, and the latest in silico approaches being taken for characterizing cancer cell plasticity. These efforts can help improve existing therapeutic approaches by taking into consideration the contribution of cellular plasticity/heterogeneity in enabling drug resistance.
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Affiliation(s)
- Archana P. Thankamony
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India
- Manipal Academy of Higher Education (MAHE), Manipal, India
| | - Kritika Saxena
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
| | - Reshma Murali
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India
| | - Mohit Kumar Jolly
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
| | - Radhika Nair
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India
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69
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Wang Z, Li Y, Wang Y, Wu D, Lau AHY, Zhao P, Zou C, Dai Y, Chan FL. Targeting prostate cancer stem-like cells by an immunotherapeutic platform based on immunogenic peptide-sensitized dendritic cells-cytokine-induced killer cells. Stem Cell Res Ther 2020; 11:123. [PMID: 32183880 PMCID: PMC7079411 DOI: 10.1186/s13287-020-01634-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 02/10/2020] [Accepted: 03/04/2020] [Indexed: 12/29/2022] Open
Abstract
Background Autologous cellular immunotherapy or immune enhancement therapy has demonstrated some promising benefits for prostate cancer. T cell-based immunotherapy or sipuleucel-T therapy has yielded certain beneficial responses and a slight improvement on the overall survival of patients with metastatic castration-resistant prostate cancer (mCRPC) as shown in some clinical trials, suggesting that prostate cancer is immunoresponsive. Methods In this study, we developed an adaptive cytokine-induced killer cell (CIK)-based immunotherapeutic application targeting the prostate cancer stem-like cells (PCSCs). In this therapeutic platform, dendritic cells (DC) were isolated from the peripheral blood mononuclear cells (PBMCs) and preloaded or sensitized with immunogenic peptides derived from two PCSC-associated cell membrane molecules, CD44 and EpCAM, followed by co-culture with the expanded peripheral blood lymphocyte (PBL)-derived CIK cells. The in vitro cytotoxic activity of DC-activated CIK cells against PCSCs was determined by CCK8 and TUNEL assays, and the in vivo anti-tumor effect of DC-activated CIK cells on prostate cancer xenograft tumors was evaluated in subcutaneous and orthotopic xenograft models. Results Our results showed that the peptide-sensitized DC-CIK cell preparation manifested significant in vitro cytotoxic activity against the PCSC-enriched prostatospheroids and also in vivo anti-tumor effect against prostate cancer xenografts derived from the PCSC-enriched prostatospheroids. Conclusions Together, our established immunogenic peptide-sensitized DC-CIK-based cell preparation platform manifests its potential immunotherapeutic application in targeting the PCSCs and also prostate cancer.
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Affiliation(s)
- Zhu Wang
- Department of Urology, People's Hospital of Longhua, Southern Medical University, Shenzhen, 518109, Guangdong, China.,School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Youjia Li
- School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Yuliang Wang
- School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Dinglan Wu
- School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Alaster Hang Yung Lau
- School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Pan Zhao
- Clinical Medical Research Center, The Second Clinical Medical School of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, Guangdong, China
| | - Chang Zou
- Clinical Medical Research Center, The Second Clinical Medical School of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, Guangdong, China
| | - Yong Dai
- Clinical Medical Research Center, The Second Clinical Medical School of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, Guangdong, China
| | - Franky Leung Chan
- School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Shatin, Hong Kong, China.
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70
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Fontana F, Raimondi M, Marzagalli M, Di Domizio A, Limonta P. Natural Compounds in Prostate Cancer Prevention and Treatment: Mechanisms of Action and Molecular Targets. Cells 2020; 9:cells9020460. [PMID: 32085497 PMCID: PMC7072821 DOI: 10.3390/cells9020460] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/10/2020] [Accepted: 02/15/2020] [Indexed: 02/06/2023] Open
Abstract
Prostate cancer (PCa) represents a major cause of cancer mortality among men in developed countries. Patients with recurrent disease initially respond to androgen-deprivation therapy, but the tumor eventually progresses into castration-resistant PCa; in this condition, tumor cells acquire the ability to escape cell death and develop resistance to current therapies. Thus, new therapeutic approaches for PCa management are urgently needed. In this setting, natural products have been extensively studied for their anti-PCa activities, such as tumor growth suppression, cell death induction, and inhibition of metastasis and angiogenesis. Additionally, numerous studies have shown that phytochemicals can specifically target the androgen receptor (AR) signaling, as well as the PCa stem cells (PCSCs). Interestingly, many clinical trials have been conducted to test the efficacy of nutraceuticals in human subjects, and they have partially confirmed the promising results obtained in vitro and in preclinical models. This article summarizes the anti-cancer mechanisms and therapeutic potentials of different natural compounds in the context of PCa prevention and treatment.
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Affiliation(s)
- Fabrizio Fontana
- Department of Pharmacological and Biomolecular Sciences, University of Milano, 20133 Milano, Italy; (F.F.); (M.R.); (M.M.); (A.D.D.)
| | - Michela Raimondi
- Department of Pharmacological and Biomolecular Sciences, University of Milano, 20133 Milano, Italy; (F.F.); (M.R.); (M.M.); (A.D.D.)
| | - Monica Marzagalli
- Department of Pharmacological and Biomolecular Sciences, University of Milano, 20133 Milano, Italy; (F.F.); (M.R.); (M.M.); (A.D.D.)
| | - Alessandro Di Domizio
- Department of Pharmacological and Biomolecular Sciences, University of Milano, 20133 Milano, Italy; (F.F.); (M.R.); (M.M.); (A.D.D.)
- SPILLOproject, 20037 Paderno Dugnano, Italy
| | - Patrizia Limonta
- Department of Pharmacological and Biomolecular Sciences, University of Milano, 20133 Milano, Italy; (F.F.); (M.R.); (M.M.); (A.D.D.)
- Correspondence: ; Tel.: +39-0250318213
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71
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Li S, Goncalves KA, Lyu B, Yuan L, Hu GF. Chemosensitization of prostate cancer stem cells in mice by angiogenin and plexin-B2 inhibitors. Commun Biol 2020; 3:26. [PMID: 31942000 PMCID: PMC6962460 DOI: 10.1038/s42003-020-0750-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 12/20/2019] [Indexed: 12/28/2022] Open
Abstract
Cancer stem cells (CSCs) are an obstacle in cancer therapy and are a major cause of drug resistance, cancer recurrence, and metastasis. Available treatments, targeting proliferating cancer cells, are not effective in eliminating quiescent CSCs. Identification of CSC regulators will help design therapeutic strategies to sensitize drug-resistant CSCs for chemo-eradication. Here, we show that angiogenin and plexin-B2 regulate the stemness of prostate CSCs, and that inhibitors of angiogenin/plexin-B2 sensitize prostate CSCs to chemotherapy. Prostate CSCs capable of self-renewal, differentiation, and tumor initiation with a single cell inoculation were identified and shown to be regulated by angiogenin/plexin-B2 that promotes quiescence and self-renewal through 5S ribosomal RNA processing and generation of the bioactive 3′-end fragments of 5S ribosomal RNA, which suppress protein translation and restrict cell cycling. Monoclonal antibodies of angiogenin and plexin-B2 decrease the stemness of prostate CSCs and sensitize them to chemotherapeutic agents in vitro and in vivo. Shuping Li et al. show that angiogenin and its receptor plexin-B2 regulate the stemness of prostate cancer stem cells. Monoclonal antibodies of angiogenin and plexin-B2 sensitize prostate cancer stem cells to chemotherapy, highlighting the targeting potential of this regulation.
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Affiliation(s)
- Shuping Li
- Division of Hematology-Oncology, Department of Medicine, Tufts Medical Center, Boston, MA, USA
| | - Kevin A Goncalves
- Division of Hematology-Oncology, Department of Medicine, Tufts Medical Center, Boston, MA, USA.,Graduate Program in Cellular and Molecular Physiology, Graduate School of Biomedical Sciences, Tufts University, Boston, MA, USA
| | - Baiqing Lyu
- Division of Hematology-Oncology, Department of Medicine, Tufts Medical Center, Boston, MA, USA
| | - Liang Yuan
- Division of Hematology-Oncology, Department of Medicine, Tufts Medical Center, Boston, MA, USA.,Program in Cellular, Molecular, and Developmental Biology, Graduate School of Biomedical Sciences, Tufts University, Boston, MA, USA
| | - Guo-Fu Hu
- Division of Hematology-Oncology, Department of Medicine, Tufts Medical Center, Boston, MA, USA. .,Graduate Program in Cellular and Molecular Physiology, Graduate School of Biomedical Sciences, Tufts University, Boston, MA, USA. .,Program in Cellular, Molecular, and Developmental Biology, Graduate School of Biomedical Sciences, Tufts University, Boston, MA, USA.
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72
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Churyukina KA, Zhuze AL, Ivanov AA, Zamulaeva IA. Effects of Dimeric Bisbenzimidazoles and Ionizing Radiation on MCF-7 Breast Cancer Stem Cells. Biophysics (Nagoya-shi) 2020. [DOI: 10.1134/s0006350920010030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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73
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Vellky JE, Bauman TM, Ricke EA, Huang W, Ricke WA. Incidence of androgen receptor and androgen receptor variant 7 coexpression in prostate cancer. Prostate 2019; 79:1811-1822. [PMID: 31503366 PMCID: PMC7339117 DOI: 10.1002/pros.23906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/26/2019] [Indexed: 01/22/2023]
Abstract
BACKGROUND Prostate cancer (PRCA) is an androgen-driven disease, where androgens act through the androgen receptor (AR) to induce proliferation and survival of tumor cells. Recently, AR splice variant 7 (ARv7) has been implicated in advanced stages of PRCA and clinical recurrence. With the widespread use of AR-targeted therapies, there has been a rising interest in the expression of full-length AR and ARv7 in PRCA progression and how these receptors, both independently and together, contribute to adverse clinicopathologic outcomes. METHODS Despite a multitude of studies measuring the expression levels of AR and ARv7 in PRCA progression, the results have been inconsistent and sometimes contradictory due to technical and analytical discrepancies. To circumvent these inconsistencies, we used an automated multiplexed immunostaining platform for full-length AR and ARv7 in human PRCA samples and objectively quantified expression changes with machine learning-based software. With this technology, we can assess receptor prevalence both independently, and coexpressed, within specific tissue and cellular compartments. RESULTS Full-length AR and ARv7 expression increased in epithelial nuclei of metastatic samples compared to benign. Interestingly, a population of cells with undetectable AR persisted through all stages of PRCA progression. Coexpression analyses showed an increase of the double-positive (AR+ /ARv7+ ) population in metastases compared to benign, and an increase of the double-negative population in PRCA samples compared to benign. Importantly, analysis of clinicopathologic outcomes associated with AR/ARv7 coexpression showed a significant decrease in the double-positive population with higher Gleason score (GS), as well as in samples with recurrence in under 5 years. Conversely, the double-negative population was significantly increased in samples with higher GS and in samples with recurrence in under 5 years. CONCLUSIONS Changes in AR and ARv7 coexpression may have prognostic value in PRCA progression and recurrence. A better understanding of the prevalence and clinicopathologic outcomes associated with changes in these receptors' coexpression may provide a foundation for improved diagnosis and therapy for men with PRCA.
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Affiliation(s)
- Jordan E. Vellky
- Department of Urology, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
- Cancer Biology Graduate Program, University of Wisconsin-Madison, Wisconsin Institute for Medical Research, 1111 Highland Ave., Madison, WI, USA, 53705
- Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, USA, 53705
| | - Tyler M. Bauman
- Department of Urology, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
- Division of Urology, Washington University School of Medicine, 4921 Parkview Pl., St. Louis, MO, USA 63110
| | - Emily A. Ricke
- Department of Urology, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
- George M. O’Brien Research Center of Excellence, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
| | - Wei Huang
- George M. O’Brien Research Center of Excellence, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, 1111 Highland Ave, Madison, WI, USA 53705
| | - William A. Ricke
- Department of Urology, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
- Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave., Madison, WI, USA, 53705
- George M. O’Brien Research Center of Excellence, University of Wisconsin School of Medicine and Public Health, 1685 Highland Ave., Madison, WI, USA, 53705
- Corresponding Author: Dr. William Ricke, Director of Research, Department of Urology, 7107 Wisconsin Institute of Medical Research, University of Wisconsin, 1111 Highland Ave, Madison, WI, USA 53705. Office 608-265-3202 Fax 608-265-0614,
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Dichloroacetate (DCA) and Cancer: An Overview towards Clinical Applications. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8201079. [PMID: 31827705 PMCID: PMC6885244 DOI: 10.1155/2019/8201079] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/12/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022]
Abstract
An extensive body of literature describes anticancer property of dichloroacetate (DCA), but its effective clinical administration in cancer therapy is still limited to clinical trials. The occurrence of side effects such as neurotoxicity as well as the suspicion of DCA carcinogenicity still restricts the clinical use of DCA. However, in the last years, the number of reports supporting DCA employment against cancer increased also because of the great interest in targeting metabolism of tumour cells. Dissecting DCA mechanism of action helped to understand the bases of its selective efficacy against cancer cells. A successful coadministration of DCA with conventional chemotherapy, radiotherapy, other drugs, or natural compounds has been tested in several cancer models. New drug delivery systems and multiaction compounds containing DCA and other drugs seem to ameliorate bioavailability and appear more efficient thanks to a synergistic action of multiple agents. The spread of reports supporting the efficiency of DCA in cancer therapy has prompted additional studies that let to find other potential molecular targets of DCA. Interestingly, DCA could significantly affect cancer stem cell fraction and contribute to cancer eradication. Collectively, these findings provide a strong rationale towards novel clinical translational studies of DCA in cancer therapy.
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Huang G, Wang M, Li X, Wu J, Chen S, Du N, Li K, Wang J, Xu C, Ren H, Tang SC, Sun X. TUSC7 suppression of Notch activation through sponging MiR-146 recapitulated the asymmetric cell division in lung adenocarcinoma stem cells. Life Sci 2019; 232:116630. [PMID: 31279783 DOI: 10.1016/j.lfs.2019.116630] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 12/21/2022]
Abstract
AIMS Lung adenocarcinoma consists of multiple therapeutic targets, however, patients will inevitably progress to later stage diagnosis with Tyrosine Kinase Inhibitor treatment resistance. We aim to investigate the roles of non-coding TUSC7 in ordering the cell division tendency, helping to sensitize the resistance in a miRNA incorporating way. MATERIALS AND METHODS Online study of bioinformatics analysis, molecular experiments of luciferase test, immunofluorescence staining and qRT-PCR were applied to dig out the mechanistic regulations. KEY FINDINGS TUSC-7 inhibited the renewal ability of adenocarcinoma stem cells, yielding to asymmetric cell splitting. Informatics analysis and the luciferase testing confirmed the 3'UTR binding site, and revealed the post-transcriptional regulation of NUMB referring to miR-146. TUSC-7 sponged miR-146 and abolished its degradation toward to NUMB, and this integrated cascade made several genes become tangled to full functionality. SIGNIFICANCE TUSC-7 was proved to be one strong suppressive lnc-RNA in lung adenocarcinoma stem cells, functioning through inactivating NOTCH signaling, and the turbulence on division modes precisely pointed to the key mechanisms of stem cells' renewal. The decreasing of tumor suppressive miR-146 was necessary in TUSC-7 conducted renewal repression, despite it alone could also reduce the renewal efficiency, indicating that more complicated non-coding genes may be involved in its regulation.
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Affiliation(s)
- Guanglin Huang
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China; Department of General Surgery, Xingyuan Hospital, Yulin City, Shaanxi Province 719000, China
| | - Meng Wang
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Xiang Li
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Jie Wu
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Sisi Chen
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Ning Du
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Kai Li
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Jichang Wang
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Chongwen Xu
- Department of Otorhinolaryngology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Hong Ren
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China
| | - Shou-Ching Tang
- University of Mississippi Medical Center, Cancer Center and Research Institute, 2500 North State Street, Jackson, MS 39216, USA.
| | - Xin Sun
- Department of Thoracic Surgery, The Second Department of Thoracic Surgery, Department of Thoracic Surgery and Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an City, Shaanxi Province 710061, China.
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Abstract
Stem/progenitor cells play central roles in processes of organogenesis and tissue maintenance, whereas cancer stem cells (CSCs) are thought to drive tumor malignancy. Here, we review recent progress in the identification and analysis of normal prostate stem/progenitor cells as well as putative CSCs in both genetically engineered mouse models as well as in human tissue. We also discuss studies that have investigated the cell type of origin for prostate cancer. In addition, we provide a critical assessment of methodologies used in stem cell analyses and outline directions for future research.
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Affiliation(s)
- Jia J Li
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department Genetics and Development, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department of Urology, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Herbert Irving Comprehensive Cancer Center, Columbia University College of Physicians and Surgeons, New York, New York 10032
| | - Michael M Shen
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department Genetics and Development, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department of Urology, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Herbert Irving Comprehensive Cancer Center, Columbia University College of Physicians and Surgeons, New York, New York 10032
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77
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Stiehl T, Marciniak-Czochra A. How to Characterize Stem Cells? Contributions from Mathematical Modeling. CURRENT STEM CELL REPORTS 2019. [DOI: 10.1007/s40778-019-00155-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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78
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Gorodetska I, Kozeretska I, Dubrovska A. BRCA Genes: The Role in Genome Stability, Cancer Stemness and Therapy Resistance. J Cancer 2019; 10:2109-2127. [PMID: 31205572 PMCID: PMC6548160 DOI: 10.7150/jca.30410] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/20/2019] [Indexed: 12/14/2022] Open
Abstract
Carcinogenesis is a multistep process, and tumors frequently harbor multiple mutations regulating genome integrity, cell division and death. The integrity of cellular genome is closely controlled by the mechanisms of DNA damage signaling and DNA repair. The association of breast cancer susceptibility genes BRCA1 and BRCA2 with breast and ovarian cancer development was first demonstrated over 20 years ago. Since then the germline mutations within these genes were linked to genomic instability and increased risk of many other cancer types. Genomic instability is an engine of the oncogenic transformation of non-tumorigenic cells into tumor-initiating cells and further tumor evolution. In this review we discuss the biological functions of BRCA1 and BRCA2 genes and the role of BRCA mutations in tumor initiation, regulation of cancer stemness, therapy resistance and tumor progression.
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Affiliation(s)
- Ielizaveta Gorodetska
- OncoRay-National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - Iryna Kozeretska
- Department of General and Medical Genetics, ESC "The Institute of Biology and Medicine", Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - Anna Dubrovska
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany; Helmholtz-Zentrum Dresden - Rossendorf, Institute of Radiooncology - OncoRay, Dresden, Germany; German Cancer Consortium (DKTK), Partner site Dresden, Germany; German Cancer Research Center (DKFZ), Heidelberg, Germany
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79
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Gorodetska I, Lukiyanchuk V, Peitzsch C, Kozeretska I, Dubrovska A. BRCA1 and EZH2 cooperate in regulation of prostate cancer stem cell phenotype. Int J Cancer 2019; 145:2974-2985. [DOI: 10.1002/ijc.32323] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 03/06/2019] [Accepted: 04/04/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Ielizaveta Gorodetska
- OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz‐Zentrum Dresden ‐ Rossendorf Dresden Germany
| | - Vasyl Lukiyanchuk
- OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz‐Zentrum Dresden ‐ Rossendorf Dresden Germany
- Helmholtz‐Zentrum Dresden ‐ RossendorfInstitute of Radiooncology – OncoRay Dresden Germany
| | - Claudia Peitzsch
- OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz‐Zentrum Dresden ‐ Rossendorf Dresden Germany
- National Center for Tumor Diseases (NCT)Partner Site Dresden, Germany: German Cancer Research Center (DKFZ), Heidelberg, Germany; Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany, and; Helmholtz‐Zentrum Dresden ‐ Rossendorf (HZDR) Dresden Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, and German Cancer Research Center (DKFZ) Heidelberg Germany
- German Cancer Research Center (DKFZ) Heidelberg Germany
| | - Iryna Kozeretska
- Department of General and Medical GeneticsESC “The Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv Kyiv Ukraine
| | - Anna Dubrovska
- OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz‐Zentrum Dresden ‐ Rossendorf Dresden Germany
- Helmholtz‐Zentrum Dresden ‐ RossendorfInstitute of Radiooncology – OncoRay Dresden Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, and German Cancer Research Center (DKFZ) Heidelberg Germany
- German Cancer Research Center (DKFZ) Heidelberg Germany
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80
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Wu J, Zhu P, Lu T, Du Y, Wang Y, He L, Ye B, Liu B, Yang L, Wang J, Gu Y, Lan J, Hao Y, He L, Fan Z. The long non-coding RNA LncHDAC2 drives the self-renewal of liver cancer stem cells via activation of Hedgehog signaling. J Hepatol 2019; 70:918-929. [PMID: 30582981 DOI: 10.1016/j.jhep.2018.12.015] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/20/2018] [Accepted: 12/07/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Liver cancer is the second leading cause of cancer death worldwide. Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer in adults. The aim of this study was to define the role of the long non-coding RNA lncHDAC2 in the tumorigenesis of HCC. METHODS CD13+CD133+ cells (hereafter called liver cancer stem cells [CSCs]) and CD13-CD133- cells (referred to as non-CSCs) were sorted from 3 primary HCC tumor tissues and followed by transcriptome microarray. The expression and function of lncHDAC2 were further assessed by northern blot, sphere formation and xenograft tumor models. RESULTS LncHDAC2 is highly expressed in HCC tumors and liver CSCs. LncHDAC2 promotes the self-renewal of liver CSCs and tumor propagation. In liver CSCs, lncHDAC2 recruits the NuRD complex onto the promoter of PTCH1 to inhibit its expression, leading to activation of Hedgehog signaling. Moreover, HDAC2 expression levels are positively related to HCC severity and PTCH1 levels are negatively related to HCC severity. Additionally, the Smo inhibitor cyclopamine was shown to impair the self-renewal of liver CSCs and suppress tumor propagation. CONCLUSION Our findings reveal that lncHDAC2 promotes the self-renewal of liver CSCs and tumor propagation by activating the Hedgehog signaling pathway. Downregulating lncHDAC2 is a promising antitumor strategy in HCC. LAY SUMMARY Liver cancer stem cells harbor high tumor-initiating potential and confer resistance to typical therapies, but the mechanism underlying their self-renewal remains elusive. LncHDAC2 augments the self-renewal of these cells, promoting tumor propagation. In liver cancer stem cells, lncHDAC2 activates Hedgehog signaling to initiate liver tumorigenesis. Therefore, lncHDAC2 and the Hedgehog signaling pathway may serve as biomarkers and potential drug targets for hepatocellular carcinoma.
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Affiliation(s)
- Jiayi Wu
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pingping Zhu
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Tiankun Lu
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Du
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Yanying Wang
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Luyun He
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Buqing Ye
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Benyu Liu
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Liuliu Yang
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Wang
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yang Gu
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Lan
- University of Chinese Academy of Sciences, Beijing 100049, China; Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Yajing Hao
- University of Chinese Academy of Sciences, Beijing 100049, China; Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Lei He
- Department of Hepatobiliary Surgery, PLA General Hospital, Beijing 100853, China
| | - Zusen Fan
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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81
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White-Gilbertson S, Lu P, Norris JS, Voelkel-Johnson C. Genetic and pharmacological inhibition of acid ceramidase prevents asymmetric cell division by neosis. J Lipid Res 2019; 60:1225-1235. [PMID: 30988134 DOI: 10.1194/jlr.m092247] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 03/27/2019] [Indexed: 12/17/2022] Open
Abstract
Radiation treatment failure or relapse after initial response to chemotherapy presents significant clinical challenges in cancer patients. Escape from initial courses of treatment can involve reactivation of embryonic developmental stages, with the formation of polynuclear giant cancer cells (PGCCs). This strategy of dedifferentiation can insulate cancer cells from a variety of treatments and allows a residual subpopulation to reestablish tumors after treatment. Using radiation or docetaxel chemotherapy, we generated PGCCs from prostate cancer cells. Here, we show that expression of acid ceramidase (ASAH1), an enzyme in the sphingolipid pathway linked to therapy resistance and poor outcomes, is elevated in PGCCs. Targeting ASAH1 with shRNA or treatment with the ASAH1 inhibitor, LCL-521, did not impair the formation of PGCCs, but prevented the formation of PGCC progeny that arise through an asymmetric cell division called neosis. Similar results were obtained in lung cancer cells that had been exposed to radiation or cisplatin chemotherapy as stressors. In summary, our data suggest that endoreplication occurs independent of ASAH1 while neosis is ASAH1-dependent in both prostate and lung cancer cells. Because ASAH1 knockout is embryonic lethal but not deleterious to adult animals, targeting this enzyme has the potential to be highly specific to cells undergoing the dedifferentiation process to escape cancer treatments. Pharmacological inhibition of ASAH1 is a potentially powerful strategy to eliminate cells that could otherwise serve as seed populations for recurrence.
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Affiliation(s)
- Shai White-Gilbertson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Ping Lu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - James S Norris
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Christina Voelkel-Johnson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
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Dormant, quiescent, tolerant and persister cells: Four synonyms for the same target in cancer. Biochem Pharmacol 2019; 162:169-176. [DOI: 10.1016/j.bcp.2018.11.004] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 11/06/2018] [Indexed: 12/14/2022]
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83
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The Contributions of Prostate Cancer Stem Cells in Prostate Cancer Initiation and Metastasis. Cancers (Basel) 2019; 11:cancers11040434. [PMID: 30934773 PMCID: PMC6521153 DOI: 10.3390/cancers11040434] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/15/2019] [Accepted: 03/21/2019] [Indexed: 12/13/2022] Open
Abstract
Research in the last decade has clearly revealed a critical role of prostate cancer stem cells (PCSCs) in prostate cancer (PC). Prostate stem cells (PSCs) reside in both basal and luminal layers, and are the target cells of oncogenic transformation, suggesting a role of PCSCs in PC initiation. Mutations in PTEN, TP53, and RB1 commonly occur in PC, particularly in metastasis and castration-resistant PC. The loss of PTEN together with Ras activation induces partial epithelial–mesenchymal transition (EMT), which is a major mechanism that confers plasticity to cancer stem cells (CSCs) and PCSCs, which contributes to metastasis. While PTEN inactivation leads to PC, it is not sufficient for metastasis, the loss of PTEN concurrently with the inactivation of both TP53 and RB1 empower lineage plasticity in PC cells, which substantially promotes PC metastasis and the conversion to PC adenocarcinoma to neuroendocrine PC (NEPC), demonstrating the essential function of TP53 and RB1 in the suppression of PCSCs. TP53 and RB1 suppress lineage plasticity through the inhibition of SOX2 expression. In this review, we will discuss the current evidence supporting a major role of PCSCs in PC initiation and metastasis, as well as the underlying mechanisms regulating PCSCs. These discussions will be developed along with the cancer stem cell (CSC) knowledge in other cancer types.
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84
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Special Issue "Cancer Stem Cells: Impact on Treatment". Semin Cancer Biol 2019; 53:iii-iv. [PMID: 30509407 DOI: 10.1016/j.semcancer.2018.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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