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Ray P, Sedigh A, Confeld M, Alhalhooly L, Iduoku K, Casanola-Martin GM, Pham-The H, Rasulev B, Choi Y, Yang Z, Mallik S, Quadir M. Design and Evaluation of Nanoscale Materials with Programmed Responsivity towards Epigenetic Enzymes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.26.585429. [PMID: 38586020 PMCID: PMC10996597 DOI: 10.1101/2024.03.26.585429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Self-assembled materials capable of modulating their assembly properties in response to specific enzymes play a pivotal role in advancing 'intelligent' encapsulation platforms for biotechnological applications. Here, we introduce a previously unreported class of synthetic nanomaterials that programmatically interact with histone deacetylase (HDAC) as the triggering stimulus for disassembly. These nanomaterials consist of co-polypeptides comprising poly (acetyl L-lysine) and poly(ethylene glycol) blocks. Under neutral pH conditions, they self-assemble into particles. However, their stability is compromised upon exposure to HDACs, depending on enzyme concentration and exposure time. Our investigation, utilizing HDAC8 as the model enzyme, revealed that the primary mechanism behind disassembly involves a decrease in amphiphilicity within the block copolymer due to the deacetylation of lysine residues within the particles' hydrophobic domains. To elucidate the response mechanism, we encapsulated a fluorescent dye within these nanoparticles. Upon incubation with HDAC, the nanoparticle structure collapsed, leading to controlled release of the dye over time. Notably, this release was not triggered by denatured HDAC8, other proteolytic enzymes like trypsin, or the co-presence of HDAC8 and its inhibitor. We further demonstrated the biocompatibility and cellular effects of these materials and conducted a comprehensive computational study to unveil the possible interaction mechanism between enzymes and particles. By drawing parallels to the mechanism of naturally occurring histone proteins, this research represents a pioneering step toward developing functional materials capable of harnessing the activity of epigenetic enzymes such as HDACs.
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Zhang T, Zhou C, Lv M, Yu J, Cheng S, Cui X, Wan X, Ahmad M, Xu B, Qin J, Meng X, Luo H. Trifluoromethyl quinoline derivative targets inhibiting HDAC1 for promoting the acetylation of histone in cervical cancer cells. Eur J Pharm Sci 2024; 194:106706. [PMID: 38244809 DOI: 10.1016/j.ejps.2024.106706] [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: 12/11/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 01/22/2024]
Abstract
Cervical cancer is the leading cause of death among gynecological malignant tumors, especially due to the poor prognosis of patients with advanced tumors due to recurrence, metastasis, and chemotherapy resistance. Therefore, exploring new antineoplastic drugs with high efficacy and low toxicity may bring new expectations in patients with cervical cancer. Natural products and their derivatives exert an antitumor activity. Therefore, in this work, combined with network pharmacology analysis and experimental validation, we investigated the anti-cervical cancer activity and molecular mechanism of a new trifluoromethyl quinoline (FKL) derivative in vivo and in vitro. FKL117 inhibited the proliferation of cervical cancer cells in a dose and time-dependent manner, induced apoptosis in HeLa cells, arrested the cell cycle in the G2/M phase, and regulated the expression of the apoptotic and cell cycle-related proteins Bcl-2, Bax, cyclin B1, and CDC2. We used online databases to obtain HDAC1 as one of the possible targets of FKL117 and the target binding and binding affinity were modeled by molecular docking. The results showed that FKL117 formed a hydrogen bond with HDAC1 and had good binding ability. We found that FKL117 targeted to inhibit the expression and function of HDAC1 and increased the acetylation of histone H3 and H4, which was also confirmed in vivo. The migration of HMGB1 from the nucleus to the cytoplasm further verified the above results. In conclusion, our study suggested that FKL117 might be used as a novel candidate for targeting the inhibition of HDAC1 against cervical cancer.
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Affiliation(s)
- Ting Zhang
- College of Clinical Medicine, Guizhou Medical University, Guiyang 550004, China; State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
| | - Changhua Zhou
- College of Clinical Medicine, Guizhou Medical University, Guiyang 550004, China; State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
| | - Mengfan Lv
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Jia Yu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Sha Cheng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Xudong Cui
- Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Xinwei Wan
- Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Mashaal Ahmad
- Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Bixue Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China
| | - Juan Qin
- College of Clinical Medicine, Guizhou Medical University, Guiyang 550004, China; The Maternal and Child Health Care Hospital of Guizhou Medical University, Guiyang, China.
| | - Xueling Meng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China.
| | - Heng Luo
- College of Clinical Medicine, Guizhou Medical University, Guiyang 550004, China; State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Guizhou Provincial Engineering Research Center for Natural Drugs, Guiyang 550014, China.
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Tang S, Ling Z, Jiang J, Gu X, Leng Y, Wei C, Cheng H, Li X. Integrating the tumor-suppressive activity of Maspin with p53 in retuning the epithelial homeostasis: A working hypothesis and applicable prospects. Front Oncol 2022; 12:1037794. [DOI: 10.3389/fonc.2022.1037794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/10/2022] [Indexed: 12/03/2022] Open
Abstract
Epithelial malignant transformation and tumorous development were believed to be closely associated with the loss of its microenvironment integrity and homeostasis. The tumor-suppressive molecules Maspin and p53 were demonstrated to play a crucial role in body epithelial and immune homeostasis. Downregulation of Maspin and mutation of p53 were frequently associated with malignant transformation and poor prognosis in various human cancers. In this review, we focused on summarizing the progress of the molecular network of Maspin in studying epithelial tumorous development and its response to clinic treatment and try to clarify the underlying antitumor mechanism. Notably, Maspin expression was reported to be transcriptionally activated by p53, and the transcriptional activity of p53 was demonstrated to be enhanced by its acetylation through inhibition of HDAC1. As an endogenous inhibitor of HDAC1, Maspin possibly potentiates the transcriptional activity of p53 by acetylating the p53 protein. Hereby, it could form a “self-propelling” antitumor mechanism. Thus, we summarized that, upon stimulation of cellular stress and by integrating with p53, the aroused Maspin played the epigenetic surveillant role to prevent the epithelial digressional process and retune the epithelial homeostasis, which is involved in activating host immune surveillance, regulating the inflammatory factors, and fine-tuning its associated cell signaling pathways. Consequentially, in a normal physiological condition, activation of the above “self-propelling” antitumor mechanism of Maspin and p53 could reduce cellular stress (e.g., chronic infection/inflammation, oxidative stress, transformation) effectively and achieve cancer prevention. Meanwhile, designing a strategy of mimicking Maspin’s epigenetic regulation activity with integrating p53 tumor-suppressive activity could enhance the chemotherapy efficacy theoretically in a pathological condition of cancer.
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Ding J, Zhang Y, Che Y. Ovarian cancer stem cells: Critical roles in anti-tumor immunity. Front Genet 2022; 13:998220. [PMID: 36437919 PMCID: PMC9685611 DOI: 10.3389/fgene.2022.998220] [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: 07/19/2022] [Accepted: 10/31/2022] [Indexed: 11/11/2022] Open
Abstract
Ovarian cancer is a significant cause of cancer-related mortality in women. Over the past 3 decades, there has been a high incidence of recurrent chemoresistant disease, despite the relative effectiveness of current treatment strategies. This is partly attributed to cancer stem cells (CSC), a subpopulation that has acquired stem cell properties that allow these cells to evade standard chemotherapy and cause disease recurrence. Therefore, there is an urgent need for basic knowledge about CSC to develop innovative therapeutic approaches for ovarian cancer. These CSC subpopulations have been identified in ovarian cancer cell lines, tumors or ascites, and findings suggest that ovarian CSCs may be as heterogeneous as the disease itself. CSCs regulate the phenotype and function of immune cells involved in antitumor immunity, so a better understanding of the signaling pathways that interact between CSCs, immune cells and tumor cells will pave the way for the clinical application of CS in cancer immunotherapy. This review will focus on the markers currently used to identify and isolate these cells summarize current knowledge on the molecular and cellular mechanisms responsible for CSC-dependent regulation of antitumor immune responses. We will discuss the signaling pathways involved in CSC survival, replication, and differentiation as well as potential therapeutic targeting strategies.
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Singh T, Kaur P, Singh P, Singh S, Munshi A. Differential molecular mechanistic behavior of HDACs in cancer progression. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 39:171. [PMID: 35972597 DOI: 10.1007/s12032-022-01770-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 06/10/2022] [Indexed: 12/13/2022]
Abstract
Genetic aberration including mutation in oncogenes and tumor suppressor genes transforms normal cells into tumor cells. Epigenetic modifications work concertedly with genetic factors in controlling cancer development. Histone acetyltransferases (HATs), histone deacetylases (HDACs), DNA methyltransferases (DNMTs) and chromatin structure modifier are prospective epigenetic regulators. Specifically, HDACs are histone modifiers regulating the expression of genes implicated in cell survival, growth, apoptosis, and metabolism. The majority of HDACs are highly upregulated in cancer, whereas some have a varied function and expression in cancer progression. Distinct HDACs have a positive and negative role in controlling cancer progression. HDACs are also significantly involved in tumor cells acquiring metastatic and angiogenic potential in order to withstand the anti-tumor microenvironment. HDACs' role in modulating metabolic genes has also been associated with tumor development and survival. This review highlights and discusses the molecular mechanisms of HDACs by which they regulate cell survival, apoptosis, metastasis, invasion, stemness potential, angiogenesis, and epithelial to mesenchymal transitions (EMT) in tumor cells. HDACs are the potential target for anti-cancer drug development and various inhibitors have been developed and FDA approved for a variety of cancers. The primary HDAC inhibitors with proven anti-cancer efficacy have also been highlighted in this review.
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Affiliation(s)
- Tashvinder Singh
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India
| | - Prabhsimran Kaur
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India
| | | | - Sandeep Singh
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India.
| | - Anjana Munshi
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151401, India.
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Xu Y, Li P, Liu Y, Xin D, Lei W, Liang A, Han W, Qian W. Epi-immunotherapy for cancers: rationales of epi-drugs in combination with immunotherapy and advances in clinical trials. Cancer Commun (Lond) 2022; 42:493-516. [PMID: 35642676 PMCID: PMC9198339 DOI: 10.1002/cac2.12313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 03/03/2022] [Accepted: 05/18/2022] [Indexed: 11/12/2022] Open
Abstract
Over the last two decades, several epi-drugs, immune checkpoint inhibitors (ICIs) and adoptive cell therapies have received clinical approval for use in certain types of cancer. However, monotherapy with epi-drugs or ICIs has shown limited efficacy in most cancer patients. Epigenetic agents have been shown to regulate the crosstalk between the tumor and host immunity to alleviate immune evasion, suggesting that epi-drugs can potentially synergize with immunotherapy. In this review, we discuss recent insights into the rationales of incorporating epigenetic therapy into immunotherapy, called epi-immunotherapy, and focus on an update of current clinical trials in both hematological and solid malignancies. Furthermore, we outline the future challenges and strategies in the field of cancer epi-immunotherapy.
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Affiliation(s)
- Yang Xu
- Department of Hematologythe Second Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhouZhejiang310009P. R. China
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell BiologyLife Sciences InstituteZhejiang UniversityHangzhouZhejiang310058P. R. China
| | - Ping Li
- Department of HematologyTongji Hospital of Tongji UniversityShanghai200065P. R. China
| | - Yang Liu
- Department of Bio‐Therapeuticthe First Medical CentreChinese PLA General HospitalBeijing100853P. R. China
| | - Dijia Xin
- Department of Hematologythe Second Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhouZhejiang310009P. R. China
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell BiologyLife Sciences InstituteZhejiang UniversityHangzhouZhejiang310058P. R. China
| | - Wen Lei
- Department of Hematologythe Second Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhouZhejiang310009P. R. China
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell BiologyLife Sciences InstituteZhejiang UniversityHangzhouZhejiang310058P. R. China
| | - Aibin Liang
- Department of HematologyTongji Hospital of Tongji UniversityShanghai200065P. R. China
| | - Weidong Han
- Department of Bio‐Therapeuticthe First Medical CentreChinese PLA General HospitalBeijing100853P. R. China
| | - Wenbin Qian
- Department of Hematologythe Second Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhouZhejiang310009P. R. China
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Fan Q, Li L, Wang TL, Emerson RE, Xu Y. A Novel ZIP4-HDAC4-VEGFA Axis in High-Grade Serous Ovarian Cancer. Cancers (Basel) 2021; 13:cancers13153821. [PMID: 34359722 PMCID: PMC8345154 DOI: 10.3390/cancers13153821] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 07/25/2021] [Indexed: 12/21/2022] Open
Abstract
Simple Summary Despite tremendous research efforts, epithelial ovarian cancer (EOC) remains one of the most difficult cancers to detect early and treat successfully for >5-year survival. We have recently shown that ZIP4, a zinc transporter, is a novel cancer stem cell (CSC) marker and a therapeutic target for EOC. The current work focuses on developing new strategies to target ZIP4 and inhibit its CSC activities in EOC. We found that cells expressing high levels of ZIP4 were supersensitive to a group of inhibitors called HDACis. One of the major targets of these inhibitors is a protein called HDAC4. We revealed the new molecular bases for the ZIP4-HDAC4 axis and tested the efficacies of targeting this axis in the lab and in mouse models. Our study provides a new mechanistic-based targeting strategy for EOC. Abstract We have recently identified ZIP4 as a novel cancer stem cell (CSC) marker in high-grade serous ovarian cancer (HGSOC). While it converts drug-resistance to cisplatin (CDDP), we unexpectedly found that ZIP4 induced sensitization of HGSOC cells to histone deacetylase inhibitors (HDACis). Mechanistically, ZIP4 selectively upregulated HDAC IIa HDACs, with little or no effect on HDACs in other classes. HDAC4 knockdown (KD) and LMK-235 inhibited spheroid formation in vitro and tumorigenesis in vivo, with hypoxia inducible factor-1 alpha (HIF1α) and endothelial growth factor A (VEGFA) as functional downstream mediators of HDAC4. Moreover, we found that ZIP4, HDAC4, and HIF1α were involved in regulating secreted VEGFA in HGSOC cells. Furthermore, we tested our hypothesis that co-targeting CSC via the ZIP4-HDAC4 axis and non-CSC using CDDP is necessary and highly effective by comparing the effects of ZIP4-knockout/KD, HDAC4-KD, and HDACis, in the presence or absence of CDDP on tumorigenesis in mouse models. Our results showed that the co-targeting strategy was highly effective. Finally, data from human HGSOC tissues showed that ZIP4 and HDAC4 were upregulated in a subset of recurrent tumors, justifying the clinical relevance of the study. In summary, our study provides a new mechanistic-based targeting strategy for HGSOC.
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Affiliation(s)
- Qipeng Fan
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, 950 W. Walnut St. R2-E380, Indianapolis, IN 46202, USA;
| | - Lihong Li
- Department of Gynecology and Obstetrics, Johns Hopkins Medical Institutions, 600 North Wolfe St., Baltimore, MD 21287, USA;
| | - Tian-Li Wang
- Department of Gynecology, Oncology, and Pathology, Johns Hopkins Medical Institutions, 1550 Orleans Street, Baltimore, MD 21231, USA;
| | - Robert E. Emerson
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indiana University Health Pathology Laboratory, 350 W. 11th Street, Room 4010, Indianapolis, IN 46202, USA;
| | - Yan Xu
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, 950 W. Walnut St. R2-E380, Indianapolis, IN 46202, USA;
- Correspondence: ; Tel.: +1-(317)-274-3972
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Keyvani-Ghamsari S, Khorsandi K, Rasul A, Zaman MK. Current understanding of epigenetics mechanism as a novel target in reducing cancer stem cells resistance. Clin Epigenetics 2021; 13:120. [PMID: 34051847 PMCID: PMC8164819 DOI: 10.1186/s13148-021-01107-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 05/19/2021] [Indexed: 12/13/2022] Open
Abstract
At present, after extensive studies in the field of cancer, cancer stem cells (CSCs) have been proposed as a major factor in tumor initiation, progression, metastasis, and recurrence. CSCs are a subpopulation of bulk tumors, with stem cell-like properties and tumorigenic capabilities, having the abilities of self-renewal and differentiation, thereby being able to generate heterogeneous lineages of cancer cells and lead to resistance toward anti-tumor treatments. Highly resistant to conventional chemo- and radiotherapy, CSCs have heterogeneity and can migrate to different organs and metastasize. Recent studies have demonstrated that the population of CSCs and the progression of cancer are increased by the deregulation of different epigenetic pathways having effects on gene expression patterns and key pathways connected with cell proliferation and survival. Further, epigenetic modifications (DNA methylation, histone modifications, and RNA methylations) have been revealed to be key drivers in the formation and maintenance of CSCs. Hence, identifying CSCs and targeting epigenetic pathways therein can offer new insights into the treatment of cancer. In the present review, recent studies are addressed in terms of the characteristics of CSCs, the resistance thereof, and the factors influencing the development thereof, with an emphasis on different types of epigenetic changes in genes and main signaling pathways involved therein. Finally, targeted therapy for CSCs by epigenetic drugs is referred to, which is a new approach in overcoming resistance and recurrence of cancer.
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Affiliation(s)
| | - Khatereh Khorsandi
- Department of Photodynamic, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran.
| | - Azhar Rasul
- Department of Zoology, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Muhammad Khatir Zaman
- Department of Biotechnology, Abdul Wali Khan University Mardan (AWKUM), Mardan, 23200, Pakistan
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In Vivo Evaluation of the Combined Anticancer Effects of Cisplatin and SAHA in Nonsmall Cell Lung Carcinoma Using [ 18F]FAHA and [ 18F]FDG PET/CT Imaging. Mol Imaging 2021; 2021:6660358. [PMID: 33867871 PMCID: PMC8032518 DOI: 10.1155/2021/6660358] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 03/12/2021] [Indexed: 01/27/2023] Open
Abstract
Combining standard drugs with low doses of histone deacetylase inhibitors (HDACIs) is a promising strategy to increase the efficacy of chemotherapy. The ability of well-tolerated doses of HDACIs that act as chemosensitizers for platinum-based chemotherapeutics has recently been proven in many types and stages of cancer in vitro and in vivo. Detection of changes in HDAC activity/expression may provide important prognostic and predictive information and influence treatment decision-making. Use of [18F] FAHA, a HDAC IIa-specific radionuclide, for molecular imaging may enable longitudinal, noninvasive assessment of HDAC activity/expression in metastatic cancer. We evaluated the synergistic anticancer effects of cisplatin and the histone deacetylase inhibitor suberoylanilide hydroxamic acid (SAHA) in xenograft models of nonsmall cell lung cancer (NSCLC) using [18F] FAHA and [18F] FDG PET/CT imaging. Cisplatin alone significantly increased [18F] FAHA accumulation and reduced [18F] FDG accumulation in H441 and PC14 xenografts; coadministration of cisplatin and SAHA resulted in the opposite effects. Immunochemical staining for acetyl-histone H3 confirmed the PET/CT imaging findings. Moreover, SAHA had a more significant effect on the acetylome in PC14 (EGFR exon 19 deletion mutation) xenografts than H441 (wild-type EGFR and KRAS codon 12 mutant) xenografts. In conclusion, [18F] FAHA enables quantitative visualization of HDAC activity/expression in vivo, thus, may represent a clinically useful, noninvasive tool for the management of patients who may benefit from synergistic anticancer therapy.
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Bi L, Ren Y, Feng M, Meng P, Wang Q, Chen W, Jiao Q, Wang Y, Du L, Zhou F, Jiang Y, Chen F, Wang C, Tang B, Wang Y. HDAC11 Regulates Glycolysis through the LKB1/AMPK Signaling Pathway to Maintain Hepatocellular Carcinoma Stemness. Cancer Res 2021; 81:2015-2028. [PMID: 33602787 DOI: 10.1158/0008-5472.can-20-3044] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 12/30/2020] [Accepted: 02/15/2021] [Indexed: 11/16/2022]
Abstract
Hepatocellular carcinoma (HCC) contains a subset of cancer stem cells (CSC) that cause tumor recurrence, metastasis, and chemical resistance. Histone deacetylase 11 (HDAC11) mediates diverse immune functions and metabolism, yet little is known about its role in HCC CSCs. In this study, we report that HDAC11 is highly expressed in HCC and is closely related to disease prognosis. Depletion of HDAC11 in a conditional knockout mouse model reduced hepatocellular tumorigenesis and prolonged survival. Loss of HDAC11 increased transcription of LKB1 by promoting histone acetylation in its promoter region, thereby activating the AMPK signaling pathway and inhibiting the glycolysis pathway, which in turn leads to the suppression of cancer stemness and HCC progression. Furthermore, HDAC11 overexpression reduced HCC sensitivity to sorafenib. Collectively, these data propose HDAC11 as a new target for combination therapy in patients with kinase-resistant HCC. SIGNIFICANCE: This study finds that HDAC11 suppresses LKB1 expression in HCC to promote cancer stemness, progression, and sorafenib resistance, suggesting the potential of targeting HDAC11 to treat HCC and overcome kinase inhibitor resistance.
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Affiliation(s)
- Lei Bi
- School of Preclinical Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yidan Ren
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Maoxiao Feng
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Peng Meng
- Burning Rock Biotech, International Biotech Island, Guangzhou, China
| | - Qin Wang
- Department of Anesthesiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Weiping Chen
- School of Preclinical Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Qinlian Jiao
- Shandong Quality Inspection Center for Medical Devices, Jinan, Shandong, China
| | - Yuli Wang
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Lutao Du
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Fuqiong Zhou
- School of Preclinical Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yucui Jiang
- School of Preclinical Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Feiyan Chen
- School of Preclinical Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Chuanxin Wang
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Bo Tang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, P.R. China. .,Department of Health Sciences, Hiroshima Shudo University, Hiroshima, Japan
| | - Yunshan Wang
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.
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Ovarian Cancer Stem Cells: Characterization and Role in Tumorigenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1330:151-169. [PMID: 34339036 DOI: 10.1007/978-3-030-73359-9_10] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Ovarian cancer is a heterogenous disease with variable clinicopathological and molecular mechanisms being responsible for tumorigenesis. Despite substantial technological improvement, lack of early diagnosis contributes to its highest mortality. Ovarian cancer is considered to be the most lethal female gynaecological cancer across the world. Conventional treatment modules with platinum- and Taxane-based chemotherapy can cause an initial satisfactory improvement in ovarian cancer patients. However, approximately 75-80% patients of advanced stage ovarian cancer, experience relapse and nearly 40% have overall poor survival rate. It has been observed that a subpopulation of cells referred as cancer stem cells (CSCs), having self renewal property, escape the conventional chemotherapy because of their quiescent nature. Later, these CSCs following its interaction with microenvironment and release of various inflammatory cytokines, chemokines and matrix metalloproteinases, induce invasion and propagation to distant organs of the body mainly peritoneal cavity. These CSCs can be enriched by their specific surface markers such as CD44, CD117, CD133 and intracellular enzyme such as aldehyde dehydrogenase. This tumorigenicity is further aggravated by the epithelial to mesenchymal transition of CSCs and neovascularisation via epigenetic reprogramming and over-expression of various signalling cascades such as Wnt/β-catenin, NOTCH, Hedgehog, etc. to name a few. Hence, a comprehensive understanding of various cellular events involving interaction between cancer cells and cancer stem cells as well as its surrounding micro environmental components would be of unmet need to achieve the ultimate goal of better management of ovarian cancer patients. This chapter deals with the impact of ovarian cancer stem cells in tumorigenesis which would help in the implementation of basic research into the clinical field in the form of translational research in order to reduce the morbidity and mortality in ovarian cancer patients through amelioration of diagnosis and impoverishment of therapeutic resistance.
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Chi F, Liu J, Brady SW, Cosgrove PA, Nath A, McQuerry JA, Majumdar S, Moos PJ, Chang JT, Kahn M, Bild AH. A `one-two punch' therapy strategy to target chemoresistance in estrogen receptor positive breast cancer. Transl Oncol 2020; 14:100946. [PMID: 33221681 PMCID: PMC7689336 DOI: 10.1016/j.tranon.2020.100946] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 11/02/2020] [Accepted: 11/04/2020] [Indexed: 12/12/2022] Open
Abstract
Patient tumor subclones that survive chemotherapy acquire primitive cell traits. HDAC inhibitors can reverse chemo-acquired stemness states and abolish self-renewal abilities. Belinostat promotes stem cell differentiation and inhibits HDAC and MYC pathways. A ‘one-two punch’, chemotherapy-HDAC inhibitor combination strategy reverses chemo-induced resistant phenotypes.
Cancer cell phenotypes evolve during a tumor's treatment. In some cases, tumor cells acquire cancer stem cell-like (CSL) traits such as resistance to chemotherapy and diminished differentiation; therefore, targeting these cells may be therapeutically beneficial. In this study we show that in progressive estrogen receptor positive (ER+) metastatic breast cancer tumors, resistant subclones that emerge following chemotherapy have increased CSL abundance. Further, in vitro organoid growth of ER+ patient cancer cells also shows that chemotherapy treatment leads to increased abundance of ALDH+/CD44+ CSL cells. Chemotherapy induced CSL abundance is blocked by treatment with a pan-HDAC inhibitor, belinostat. Belinostat treatment diminished both mammosphere formation and size following chemotherapy, indicating a decrease in progenitor CSL traits. HDAC inhibitors specific to class IIa (HDAC4, HDAC5) and IIb (HDAC6) were shown to primarily reverse the chemo-resistant CSL state. Single-cell RNA sequencing analysis with patient samples showed that HDAC targets and MYC signaling were promoted by chemotherapy and inhibited upon HDAC inhibitor treatment. In summary, HDAC inhibition can block chemotherapy-induced drug resistant phenotypes with ‘one-two punch’ strategy in refractory breast cancer cells.
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Affiliation(s)
- Feng Chi
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States
| | - Jiayi Liu
- Department of Integrative Biology and Pharmacology, School of Medicine, School of Biomedical Informatics, UT Health Sciences Center at Houston, Houston, TX 77030, United States
| | - Samuel W Brady
- Department of Oncological Sciences, School of Medicine, University of Utah, 2000 Circle of Hope Drive, Salt Lake City, UT 84112, United States
| | - Patrick A Cosgrove
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States
| | - Aritro Nath
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States
| | - Jasmine A McQuerry
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States; Department of Oncological Sciences, School of Medicine, University of Utah, 2000 Circle of Hope Drive, Salt Lake City, UT 84112, United States; Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, United States
| | - Sumana Majumdar
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States
| | - Philip J Moos
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, United States
| | - Jeffrey T Chang
- Department of Integrative Biology and Pharmacology, School of Medicine, School of Biomedical Informatics, UT Health Sciences Center at Houston, Houston, TX 77030, United States
| | - Michael Kahn
- Department of Molecular Medicine, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States
| | - Andrea H Bild
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA 91010, United States.
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Ishikawa C, Mori N. The role of CUDC-907, a dual phosphoinositide-3 kinase and histone deacetylase inhibitor, in inhibiting proliferation of adult T-cell leukemia. Eur J Haematol 2020; 105:763-772. [PMID: 32780889 DOI: 10.1111/ejh.13508] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVES New effective therapeutic strategies for human T-cell leukemia virus type 1 (HTLV-1)-driven adult T-cell leukemia (ATL) are required because of resistance to chemotherapeutic agents. Here, we aimed to determine the therapeutic efficacy of a dual phosphoinositide 3 kinase (PI3K)/histone deacetylase (HDAC) inhibitor, CUDC-907. METHODS Cell viability, cell cycle progression, and apoptotic events were examined by WST-8 assay, flow cytometry, and Hoechst 33342 staining. Caspase activity was determined using Calorimetric Caspase Assay kits. Immunoblotting and electrophoretic mobility shift assay were used to assess the intracellular signaling cascades. RESULTS The combination of PI3K inhibitor BKM120 and HDAC inhibitor LBH589 resulted in a synergistic cytotoxic effect in HTLV-1-infected T cells. CUDC-907 was more efficacious than BKM120 and LBH589. It induced G1 cell cycle arrest with downregulation of cyclin D1/D2, CDK4/6, c-Myc, and phosphorylated retinoblastoma protein expression. Apoptosis was induced via caspase-3/8/9 activation along with downregulation of Bcl-XL , Bcl-2, XIAP, survivin, and cIAP1/2, and upregulation of Bax and Bak. Histone H3 acetylation, H2AX activation, Hsp27 phosphorylation, and Hsp70 and Hsp27 upregulation were observed after treatment. CUDC-907 suppressed Akt, NF-κB, and AP-1 by downregulating phosphorylated and/or total Akt, IKKα/β, RelA, JunB, and JunD. CONCLUSION CUDC-907 may be a potential therapeutic agent for ATL.
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Affiliation(s)
- Chie Ishikawa
- Department of Microbiology and Oncology, Graduate School of Medicine, University of the Ryukyus, Nishihara, Okinawa, Japan.,Division of Health Sciences, Transdisciplinary Research Organization for Subtropics and Island Studies, University of the Ryukyus, Nishihara, Okinawa, Japan
| | - Naoki Mori
- Department of Microbiology and Oncology, Graduate School of Medicine, University of the Ryukyus, Nishihara, Okinawa, Japan
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Wang L, Deng K, Gong L, Zhou L, Sayed S, Li H, Sun Q, Su Z, Wang Z, Liu S, Zhu H, Song J, Lu D. Chlorquinaldol targets the β-catenin and T-cell factor 4 complex and exerts anti-colorectal cancer activity. Pharmacol Res 2020; 159:104955. [PMID: 32485279 DOI: 10.1016/j.phrs.2020.104955] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/06/2020] [Accepted: 05/21/2020] [Indexed: 02/07/2023]
Abstract
Aberrant activation of Wnt signaling plays a critical role in the initiation and progression of colorectal cancer (CRC). Chlorquinaldol (CQD) is a topical antimicrobial agent used to treat skin infections. Little is known about the anticancer activity of CQD and its underlying mechanisms. In this study, CQD was demonstrated to inhibit Wnt/β-catenin signaling through targeting the downstream part of this pathway. The results showed that CQD could inhibit the acetylation of β-catenin and disrupt the interaction of β-catenin with T-cell factor 4 (TCF4), leading to reduced binding of β-catenin to the promoters of Wnt target genes and downregulation of the expression of these target genes. Moreover, treatment with CQD suppressed the proliferation, migration, invasion and stemness of CRC cells. In APCmin/+ mice and CRC cell xenografts, administration of CQD suppressed tumor growth and the expression of Wnt target genes c-Myc and Leucine-rich G protein-coupled receptor-5 (LGR5). These results strongly suggest that CQD may be a promising therapeutic agent in the treatment of CRC.
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Affiliation(s)
- Ling Wang
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Ke Deng
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Liang Gong
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Liang Zhou
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Sapna Sayed
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Huan Li
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Qi Sun
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Zijie Su
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Zhongyuan Wang
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Shanshan Liu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Huifang Zhu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China
| | - Jiaxing Song
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China.
| | - Desheng Lu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Cancer Research Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, China.
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Barbato L, Bocchetti M, Di Biase A, Regad T. Cancer Stem Cells and Targeting Strategies. Cells 2019; 8:cells8080926. [PMID: 31426611 PMCID: PMC6721823 DOI: 10.3390/cells8080926] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/05/2019] [Accepted: 08/15/2019] [Indexed: 02/06/2023] Open
Abstract
Chemoresistance is a major problem in cancer therapy as cancer cells develop mechanisms that counteract the effect of chemotherapeutic compounds, leading to relapse and the development of more aggressive cancers that contribute to poor prognosis and survival rates of treated patients. Cancer stem cells (CSCs) play a key role in this event. Apart from their slow proliferative property, CSCs have developed a range of cellular processes that involve drug efflux, drug enzymatic inactivation and other mechanisms. In addition, the microenvironment where CSCs evolve (CSC niche), effectively contributes to their role in cancer initiation, progression and chemoresistance. In the CSC niche, immune cells, mesenchymal stem cells (MSCs), endothelial cells and cancer associated fibroblasts (CAFs) contribute to the maintenance of CSC malignancy via the secretion of factors that promote cancer progression and resistance to chemotherapy. Due to these factors that hinder successful cancer therapies, CSCs are a subject of intense research that aims at better understanding of CSC behaviour and at developing efficient targeting therapies. In this review, we provide an overview of cancer stem cells, their role in cancer initiation, progression and chemoresistance, and discuss the progress that has been made in the development of CSC targeted therapies.
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Affiliation(s)
- Luisa Barbato
- The John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
| | - Marco Bocchetti
- The John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Anna Di Biase
- The John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
| | - Tarik Regad
- The John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK.
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16
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Wang Z, Yang C. Metal carcinogen exposure induces cancer stem cell-like property through epigenetic reprograming: A novel mechanism of metal carcinogenesis. Semin Cancer Biol 2019; 57:95-104. [PMID: 30641125 PMCID: PMC6625953 DOI: 10.1016/j.semcancer.2019.01.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 01/08/2019] [Accepted: 01/10/2019] [Indexed: 12/13/2022]
Abstract
Arsenic, cadmium, nickel and hexavalent chromium are among the most common environmental pollutants and potent carcinogens. Chronic exposure to these metals causes various types of cancer in humans, representing a significant environmental health issue. Although under active investigation, the mechanisms of metal carcinogenesis have not been clearly defined. One common feature of these metal carcinogens is that they are all able to cause various epigenetic dysregulations, which are believed to play important roles in their carcinogenicity. However, how metal carcinogen-caused epigenetic dysregulation contributes to metal carcinogenesis remains largely unknown. The evolution of cancer stem cell (CSC) theory has opened exciting new avenues for studying the mechanism of metal carcinogenesis. Increasing evidence indicates that chronic metal carcinogen exposure produces CSC-like cells through dysregulated epigenetic mechanisms. This review will first provide some brief introductions about CSC, epigenetics and epigenetic regulation of CSCs; then summarize progresses in recent studies on metal carcinogen-induced CSC-like property through epigenetic reprograming as a novel mechanism of metal carcinogenesis. Some perspectives for future studies in this field are also presented.
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Affiliation(s)
- Zhishan Wang
- Department of Toxicology and Cancer Biology, College of Medicine, University of Kentucky, Lexington, KY, United States.
| | - Chengfeng Yang
- Department of Toxicology and Cancer Biology, College of Medicine, University of Kentucky, Lexington, KY, United States; Center for Research on Environment Disease, College of Medicine, University of Kentucky, Lexington, KY, United States.
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Ovarian Cancer Stem Cells: Role in Metastasis and Opportunity for Therapeutic Targeting. Cancers (Basel) 2019; 11:cancers11070934. [PMID: 31277278 PMCID: PMC6678643 DOI: 10.3390/cancers11070934] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 06/29/2019] [Accepted: 06/30/2019] [Indexed: 02/08/2023] Open
Abstract
Ovarian cancer (OC) is a heterogeneous disease usually diagnosed at a late stage. Cancer stem cells (CSCs) that exist within the bulk tumor survive first-line chemotherapy and contribute to resistant disease with metastasis. Understanding the key features of CSC biology provides valuable opportunities to develop OCSC-directed therapeutics, which will eventually improve the clinical outcomes of patients. Although significant developments have occurred since OCSCs were first described, the involvement of CSCs in ovarian tumor metastasis is not fully understood. Here, we discuss putative CSC markers and the fundamental role of CSCs in facilitating tumor dissemination in OC. Additionally, we focus on promising CSC-targeting strategies in preclinical and clinical studies of OC and discuss potential challenges in CSC research.
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18
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Frame FM, Maitland NJ. Epigenetic Control of Gene Expression in the Normal and Malignant Human Prostate: A Rapid Response Which Promotes Therapeutic Resistance. Int J Mol Sci 2019; 20:E2437. [PMID: 31108832 PMCID: PMC6566891 DOI: 10.3390/ijms20102437] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 04/24/2019] [Accepted: 04/29/2019] [Indexed: 12/12/2022] Open
Abstract
A successful prostate cancer must be capable of changing its phenotype in response to a variety of microenvironmental influences, such as adaptation to treatment or successful proliferation at a particular metastatic site. New cell phenotypes emerge by selection from the large, genotypically heterogeneous pool of candidate cells present within any tumor mass, including a distinct stem cell-like population. In such a multicellular model of human prostate cancer, flexible responses are primarily governed not only by de novo mutations but appear to be dominated by a combination of epigenetic controls, whose application results in treatment resistance and tumor relapse. Detailed studies of these individual cell populations have resulted in an epigenetic model for epithelial cell differentiation, which is also instructive in explaining the reported high and inevitable relapse rates of human prostate cancers to a multitude of treatment types.
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Affiliation(s)
- Fiona M Frame
- The Cancer Research Unit, Department of Biology, University of York, Heslington, York YO10 5DD, UK.
| | - Norman J Maitland
- The Cancer Research Unit, Department of Biology, University of York, Heslington, York YO10 5DD, UK.
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19
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Cancer stem cells: Road to therapeutic resistance and strategies to overcome resistance. Biochim Biophys Acta Mol Basis Dis 2018; 1866:165339. [PMID: 30481586 DOI: 10.1016/j.bbadis.2018.11.015] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 11/13/2018] [Accepted: 11/14/2018] [Indexed: 02/07/2023]
Abstract
Unlike other normal cells, a subpopulation of cells often termed as "stem cells" are long-lived and generate cellular progeny throughout life. Cancer stem cells (CSCs) are rare immortal cells within a tumor that can both self-renew by dividing and giving rise to many cell types that constitute the tumor. CSCs also have been shown to be involved in fundamental processes of cell proliferation and metastatic dissemination. CSCs are generally resistant to chemotherapy and radiotherapy, a subset of remaining CSCs after therapy can survive and promote cancer relapse and resistance to therapies. Understanding the biological characteristics of CSCs, the pathways leading to their sustainability and proliferation, and the CSCs role in drug resistance is crucial for establishing novel tumor diagnostic and therapeutic strategies. In this review, we address the pathways that regulate CSCs, the role of CSCs in the resistance to therapy, and strategies to overcome therapeutic resistance.
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20
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Shi CJ, Tian R, Wang M, Zhao Y, Qin RY. Effect of WEE1 inhibitor MK-1775 on self-renewal of gallbladder cancer stem cells. Shijie Huaren Xiaohua Zazhi 2018; 26:1586-1591. [DOI: 10.11569/wcjd.v26.i27.1586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM To assess the inhibitory effect of Wee1 inhibitor MK-1775 on self-renewal of cancer stem like cells in GBC-SD cells.
METHODS The GBC-SD cell line was cultured in vitro, and the suspended cancer stem cell spheres were cultured in serum free stem cell culture medium containing MK-1775. The expression of Wee1 was detected by Western blot, and the changes of the sphere size and sphere formation rate were analyzed. After the establishment of a subcutaneously transplanted tumor model in nude mice, MK-17751 was given for 2 wk, and the weight of the transplanted tumors was detected 2 wk later.
RESULTS After 8 d of culture with MK-1775, the expression of Wee1 in GBC-SD cells was downregulated and the sphere size and sphere formation rate were reduced. After MK-17751 treatment, the growth of subcutaneous xenografts in nude mice was inhibited.
CONCLUSION MK-1775 can inhibit the self-renewal of cancer stem like cell in gallbladder cancer GBC-SD cells.
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Affiliation(s)
- Cheng-Jian Shi
- Department of Pancreatobiliary Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Rui Tian
- Department of Pancreatobiliary Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Ming Wang
- Department of Pancreatobiliary Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Yan Zhao
- Department of Pancreatobiliary Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Ren-Yi Qin
- Department of Pancreatobiliary Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
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De U, Son JY, Sachan R, Park YJ, Kang D, Yoon K, Lee BM, Kim IS, Moon HR, Kim HS. A New Synthetic Histone Deacetylase Inhibitor, MHY2256, Induces Apoptosis and Autophagy Cell Death in Endometrial Cancer Cells via p53 Acetylation. Int J Mol Sci 2018; 19:ijms19092743. [PMID: 30217020 PMCID: PMC6164480 DOI: 10.3390/ijms19092743] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 09/07/2018] [Accepted: 09/10/2018] [Indexed: 12/28/2022] Open
Abstract
We previously discovered a novel sirtuin (SIRT) inhibitor, MHY2256, that exerts anticancer activity through p53 acetylation in MCF-7 human breast cancer cells. We investigated the anticancer activity of MHY2256 against hormone-related cancer, an endometrial cancer with a poor prognosis. The IC50 values of MHY2256 were shown to be much lower than those of salermide, a well-known SIRT inhibitor. Furthermore, MHY2256 significantly reduced the protein expression and activities of SIRT1, 2, and 3, with similar effects to salermide. Particularly, MHY2256 markedly inhibited tumor growth in a tumor xenograft mouse model of Ishikawa cancer cells. During the experimental period, there was no significant change in the body weight of mice treated with MHY2256. A detailed analysis of the sensitization mechanisms of Ishikawa cells revealed that late apoptosis was largely increased by MHY2256. Additionally, MHY2256 increased G1 arrest and reduced the number of cell cyclic-related proteins, suggesting that apoptosis by MHY2256 was achieved by cellular arrest. Particularly, p21 was greatly increased by MHY225656, suggesting that cell cycle arrest by p21 is a major factor in MHY2256 sensitization in Ishikawa cells. We also detected a significant increase in acetylated p53, a target protein of SIRT1, in Ishikawa cells after MHY2256 treatment. In a mouse xenograft model, MHY2256 significantly reduced tumor growth and weight without apparent side effects. These results suggest that MHY2256 exerts its anticancer activity through p53 acetylation in endometrial cancer and can be used for targeting hormone-related cancers.
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Affiliation(s)
- Umasankar De
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
| | - Ji Yeon Son
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
| | - Richa Sachan
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
| | - Yu Jin Park
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
| | - Dongwan Kang
- College of Pharmacy, Pusan National University, Busandaehak-ro 63 beon-gil 2, Geumjeong-gu, Busan 46241, Korea.
| | - Kyungsil Yoon
- Comparative Biomedicine Research Branch, Division of Translational Science, National Cancer Center, 323 Ilsandong-gu, Goyang-si 10408, Korea.
| | - Byung Mu Lee
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
| | - In Su Kim
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
| | - Hyung Ryong Moon
- College of Pharmacy, Pusan National University, Busandaehak-ro 63 beon-gil 2, Geumjeong-gu, Busan 46241, Korea.
| | - Hyung Sik Kim
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon 16419, Korea.
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