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Wang L, Bai Y, Cao Z, Guo Z, Lian Y, Liu P, Zeng Y, Lyu W, Chen Q. Histone deacetylases and inhibitors in diabetes mellitus and its complications. Biomed Pharmacother 2024; 177:117010. [PMID: 38941890 DOI: 10.1016/j.biopha.2024.117010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/29/2024] [Accepted: 06/17/2024] [Indexed: 06/30/2024] Open
Abstract
Diabetes mellitus (DM) is a metabolic disorder characterized by hyperglycemia, with its prevalence linked to both genetic predisposition and environmental factors. Epigenetic modifications, particularly through histone deacetylases (HDACs), have been recognized for their significant influence on DM pathogenesis. This review focuses on the classification of HDACs, their role in DM and its complications, and the potential therapeutic applications of HDAC inhibitors. HDACs, which modulate gene expression without altering DNA sequences, are categorized into four classes with distinct functions and tissue specificity. HDAC inhibitors (HDACi) have shown efficacy in various diseases, including DM, by targeting these enzymes. The review highlights how HDACs regulate β-cell function, insulin sensitivity, and hepatic gluconeogenesis in DM, as well as their impact on diabetic cardiomyopathy, nephropathy, and retinopathy. Finally, we suggest that targeted histone modification is expected to become a key method for the treatment of diabetes and its complications. The study of HDACi offers insights into new treatment strategies for DM and its associated complications.
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Affiliation(s)
- Li Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610072, PR China; Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, PR China
| | - Yuning Bai
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, PR China
| | - Zhengmin Cao
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, PR China
| | - Ziwei Guo
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, PR China
| | - Yanjie Lian
- Department of Cardiovascular Medicine, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 100010, PR China
| | - Pan Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610072, PR China
| | - Yixian Zeng
- Department of Proctology, Beibei Hospital of Traditional Chinese Medicine, Chongqing 400799, PR China
| | - Wenliang Lyu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, PR China.
| | - Qiu Chen
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province 610072, PR China.
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Sarmadi F, Gao Z, Su J, Barbier C, Artusa P, Bijian K, Gleason JL, White JH. Bifunctionality and Antitumor Efficacy of ZG-126, a Vitamin D Receptor Agonist/Histone Deacetylase Inhibitor Hybrid Molecule. J Med Chem 2024; 67:11182-11196. [PMID: 38906533 PMCID: PMC11249012 DOI: 10.1021/acs.jmedchem.4c00706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2024]
Abstract
Analogues of hormonal vitamin D, 1,25-dihydroxyvitamin D (1,25D), signal through the nuclear vitamin D receptor (VDR). They have potential in combination therapies with other anticancer agents such as histone deacetylase inhibitors (HDACi's). Here, we characterize the ZG series of hybrid compounds that combine HDACi within the backbone of a VDR agonist. All display improved solubility, with ZG-126 being the most robustly bifunctional molecule in multiple cell lines. ZG-126 is well tolerated and strongly induces VDR target gene expression in vivo at therapeutic doses. Its antitumor efficacy is superior to 1,25D and the HDACi SAHA, separately or together, in mouse models of melanoma and triple-negative breast cancer (TNBC). Notably, ZG-126 treatment reduces metastases almost 4-fold in an aggressive TNBC model. ZG-126 also reduces total macrophage infiltration and the proportion of immunosuppressive M2-polarized macrophages in TNBC tumors by 2-fold. ZG-126 thus represents a bifunctional and efficacious anticancer agent with improved physicochemical properties.
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Affiliation(s)
- Fatemeh Sarmadi
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC H3G 1Y6, Canada
| | - Zhizhong Gao
- Department of Chemistry, McGill University, 801 Sherbrooke W., Montreal, QC H3A 0B8, Canada
| | - Jie Su
- Segal Cancer Center and Lady Davis Institute for Medical Research, 3755 Cote Ste-Catherine, Montreal, QC H3T 1E2, Canada
| | - Camille Barbier
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC H3G 1Y6, Canada
| | - Patricio Artusa
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC H3G 1Y6, Canada
| | - Krikor Bijian
- Segal Cancer Center and Lady Davis Institute for Medical Research, 3755 Cote Ste-Catherine, Montreal, QC H3T 1E2, Canada
| | - James L Gleason
- Department of Chemistry, McGill University, 801 Sherbrooke W., Montreal, QC H3A 0B8, Canada
| | - John H White
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC H3G 1Y6, Canada
- Department of Medicine, McGill University, 3655 Promenade Sir William Osler, Montreal, QC H3G 1Y6, Canada
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Borea F, Franczak MA, Garcia M, Perrino M, Cordua N, Smolenski RT, Peters GJ, Dziadziuszko R, Santoro A, Zucali PA, Giovannetti E. Target Therapy in Malignant Pleural Mesothelioma: Hope or Mirage? Int J Mol Sci 2023; 24:ijms24119165. [PMID: 37298116 DOI: 10.3390/ijms24119165] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/19/2023] [Accepted: 05/21/2023] [Indexed: 06/12/2023] Open
Abstract
Malignant Pleural Mesothelioma (MPM) is a rare neoplasm that is typically diagnosed in a locally advanced stage, making it not eligible for radical surgery and requiring systemic treatment. Chemotherapy with platinum compounds and pemetrexed has been the only approved standard of care for approximately 20 years, without any relevant therapeutic advance until the introduction of immune checkpoint inhibitors. Nevertheless, the prognosis remains poor, with an average survival of only 18 months. Thanks to a better understanding of the molecular mechanisms underlying tumor biology, targeted therapy has become an essential therapeutic option in several solid malignancies. Unfortunately, most of the clinical trials evaluating potentially targeted drugs for MPM have failed. This review aims to present the main findings of the most promising targeted therapies in MPM, and to explore possible reasons leading to treatments failures. The ultimate goal is to determine whether there is still a place for continued preclinical/clinical research in this area.
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Affiliation(s)
- Federica Borea
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Marika A Franczak
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Maria Garcia
- Faculty of Experimental Science, Universidad Francisco de Vitoria, 28223 Madrid, Spain
| | - Matteo Perrino
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Nadia Cordua
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Ryszard T Smolenski
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Godefridus J Peters
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Rafal Dziadziuszko
- Department of Oncology and Radiotherapy and Early Phase Clinical Trials Centre, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Armando Santoro
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Paolo A Zucali
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Elisa Giovannetti
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Fondazione Pisana per la Scienza, 56017 Pisa, Italy
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Biondo-Simões MDELP, Dall'antonia MO, Goehr MP, Biondo-Simões R, Ioshii SO, Robes RR. Valproic acid and bladder healing: an experimental study in rats. Rev Col Bras Cir 2022; 49:e20223399. [PMID: 36449944 PMCID: PMC10578821 DOI: 10.1590/0100-6991e-20223399-en] [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: 06/20/2022] [Accepted: 08/10/2022] [Indexed: 12/23/2022] Open
Abstract
PURPOSE to recognize the effects of valproic acid (VPA), an epigenetic drug, on the bladder healing process, in rats. METHOD twenty male Wistar rats were divided in two groups: experimental (A), treated with VPA (150mg/Kg/day), and control (B) with 0.9% sodium chloridrate. Healing was analyzed on the third and seventh days, evaluating the inflammatory reaction, collagen synthesis and angiogenesis. RESULTS inflammatory reaction on the third day was minimal and acute in both groups. On the seventh day, it was subacute in both groups, moderate intensity in group A and minimal in group B (p=0.0476). Collagen III intensity, marked by immunohistochemistry, was similar in both groups. Collagen I intensity on the third day was similar in both groups, but on the seventh day it was higher in experimental than control (p=0.0476). Collagen evaluation by picrosiriusred allowed to verify that the presence of collagen III was similar in both groups (p=0.3312) on the third day, and it was higher in control on the seventh day (p=0.0015). Collagen I showed similarity on the third day (p=0.3100), and it was higher in control on the seventh day (p=0.0015). Vessel marked with anti-SMA counting showed fewer vessels on the third (p=0.0034) and seventh day (p=0.0087) in experimental group. The lower intensity of angiogenesis was confirmed with anti-CD34, on the third day (p=0,0006) and on the seventh day (p=0,0072). CONCLUSION VPA determined alterations in the bladder healing process, in rats, with lower collagen density and less angiogenic activity, but without compromising the integrity of the organ.
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Affiliation(s)
| | | | - Matheus Prince Goehr
- - Universidade Federal do Paraná, Técnica Cirúrgica e Cirurgia Experimental - Curitiba - PR - Brasil
| | - Rachel Biondo-Simões
- - Universidade Federal do Paraná, Programa de Pós-graduação em Clínica Cirúrgica - Departamento de Cirurgia - Curitiba - PR - Brasil
| | - Sérgio Ossamu Ioshii
- - Universidade Federal do Paraná, Departamento de Patologia da UFPR - Curitiba - PR - Brasil
| | - Rogério Ribeiro Robes
- - Universidade Federal do Paraná, Técnica Cirúrgica e Cirurgia Experimental - Curitiba - PR - Brasil
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BIONDO-SIMÕES MARIADELOURDESPESSOLE, DALL’ANTONIA MOACIROLIVEIRA, GOEHR MATHEUSPRINCE, BIONDO-SIMÕES RACHEL, IOSHII SÉRGIOOSSAMU, ROBES ROGÉRIORIBEIRO. Ácido valpróico e cicatrização em bexiga: estudo experimental em ratos. Rev Col Bras Cir 2022. [DOI: 10.1590/0100-6991e-20223399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
RESUMO Objetivo: reconhecer os efeitos do ácido valpróico (VPA), uma droga epigenética, no processo de cicatrização da bexiga, em ratos. Método: vinte ratos Wistar machos foram divididos em dois grupos: experimental (A), utilizando VPA (150mg/Kg/dia), e controle (B), tratados com cloreto de sódio 0,9% por gavagem. A cicatrização da bexiga foi analisada no terceiro e sétimo dia, estudando-se a reação inflamatória, síntese de colágeno, reepitelização e angiogênese. Resultados: a reação inflamatória no terceiro dia foi mínima e aguda em ambos os grupos. No sétimo dia, foi subaguda em ambos os grupos com intensidade moderada no grupo A e mínima no grupo B (p=0,0476). A intensidade do colágeno III, marcada pela imuno-histoquímica, foi semelhante nos dois grupos, nos dois tempos estudados. A intensidade de colágeno I no terceiro dia foi semelhante nos dois grupos, e maior no sétimo dia no grupo experimental (p=0,0476). A avaliação do colágeno pelo picrosiriusred mostrou que a presença de colágeno III foi semelhante em ambos os grupos (p=0,3312) no terceiro dia, e maior no controle no sétimo dia (p=0,0015). O colágeno I foi semelhante no terceiro dia (p=0,3100), e maior no controle no sétimo dia (p=0,0015). A contagem de vasos marcados pelo anti-SMA mostrou menos vasos no terceiro (p=0,0034) e sétimo dia (p=0,0087) no grupo experimental, confirmado pelo anti-CD34, no terceiro (p=00006) e no sétimo dia (p=0,0072). Conclusão: o VPA determinou alterações no processo de cicatrização da bexiga, em ratos, com menor densidade de colágeno e menor atividade angiogênica, mas sem comprometer a integridade do órgão.
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Dow J, Krysztofiak A, Liu Y, Colon-Rios DA, Rogers FA, Glazer PM. Vulnerability of IDH1-Mutant Cancers to Histone Deacetylase Inhibition via Orthogonal Suppression of DNA Repair. Mol Cancer Res 2021; 19:2057-2067. [PMID: 34535560 PMCID: PMC8642278 DOI: 10.1158/1541-7786.mcr-21-0456] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/06/2021] [Accepted: 09/10/2021] [Indexed: 11/16/2022]
Abstract
Exploitation of DNA repair defects has enabled major advances in treating specific cancers. Recent work discovered that the oncometabolite 2-hydroxyglutarate (2-HG), produced by neomorphic isocitrate dehydrogenase 1/2 (IDH1/2) mutations, confers a homology-directed repair (HDR) defect through 2-HG-induced histone hypermethylation masking HDR signaling. Here, we report that IDH1-mutant cancer cells are profoundly sensitive to the histone deacetylase inhibitor (HDACi) vorinostat, by further suppressing the residual HDR in 2-HG-producing cells. Vorinostat downregulates repair factors BRCA1 and RAD51 via disrupted E2F-factor regulation, causing increased DNA double-strand breaks, reduced DNA repair factor foci, and functional HDR deficiency even beyond 2-HG's effects. This results in greater cell death of IDH1-mutant cells and confers synergy with radiation and PARPi, both against cells in culture and patient-derived tumor xenografts. Our work identifies HDACi's utility against IDH1-mutant cancers, and presents IDH1/2 mutations as potential biomarkers to guide trials testing HDACi in gliomas and other malignancies. IMPLICATIONS: IDH1-mutant cells show profound vulnerability to HDACi treatment, alone and with PARPi and radiation, via HDR suppression, presenting IDH1/2 mutations as biomarkers for HDACi use in gliomas and other malignancies.
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Affiliation(s)
- Jonathan Dow
- Department of Therapeutic Radiology, Yale University School of Medicine. New Haven, Connecticut
- Department of Genetics, Yale University School of Medicine. New Haven, Connecticut
| | - Adam Krysztofiak
- Department of Therapeutic Radiology, Yale University School of Medicine. New Haven, Connecticut
| | - Yanfeng Liu
- Department of Therapeutic Radiology, Yale University School of Medicine. New Haven, Connecticut
- Department of Genetics, Yale University School of Medicine. New Haven, Connecticut
| | - Daniel A Colon-Rios
- Department of Therapeutic Radiology, Yale University School of Medicine. New Haven, Connecticut
| | - Faye A Rogers
- Department of Therapeutic Radiology, Yale University School of Medicine. New Haven, Connecticut
| | - Peter M Glazer
- Department of Therapeutic Radiology, Yale University School of Medicine. New Haven, Connecticut.
- Department of Genetics, Yale University School of Medicine. New Haven, Connecticut
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Elshafae SM, Kohart NA, Breitbach JT, Hildreth BE, Rosol TJ. The Effect of a Histone Deacetylase Inhibitor (AR-42) and Zoledronic Acid on Adult T-Cell Leukemia/Lymphoma Osteolytic Bone Tumors. Cancers (Basel) 2021; 13:cancers13205066. [PMID: 34680215 PMCID: PMC8533796 DOI: 10.3390/cancers13205066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/21/2021] [Accepted: 09/21/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Adult T-cell leukemia (ATL) Leukemia is an aggressive, peripheral blood (T-cell) neoplasm associated with human T-cell leukemia virus type 1 (HTLV-1) infection. Recent studies have implicated dysregulated histone deacetylases in ATL pathogenesis. ATL modulates the bone microenvironment of patients and activates osteoclasts (bone resorbing cells) that cause severe bone loss. The objective of this study was to assess the individual and dual effects of AR-42 (HDACi) and zoledronic acid (Zol) on the growth of ATL cells in vitro and in vivo. AR-42 and Zol reduced the viability of ATL cells in vitro. Additionally, Zol and Zol/AR-42 decreased ATL tumor growth and halted osteolysis in bone tumor xenografts in immunodeficient mice in vivo. Our study suggests that dual targeting of ATL cells (using HDACi) and bone osteoclasts (using bisphosphonates) may be exploited as a valuable approach to reduce bone tumor burden and improve the life quality of ATL patients. Abstract Adult T-cell leukemia/lymphoma (ATL) is an intractable disease affecting nearly 4% of Human T-cell Leukemia Virus Type 1 (HTLV-1) carriers. Acute ATL has a unique interaction with bone characterized by aggressive bone invasion, osteolytic metastasis, and hypercalcemia. We hypothesized that dual tumor and bone-targeted therapies would decrease tumor burden in bone, the incidence of metastasis, and ATL-associated osteolysis. Our goal was to evaluate dual targeting of both ATL bone tumors and the bone microenvironment using an anti-tumor HDACi (AR-42) and an osteoclast inhibitor (zoledronic acid, Zol), alone and in combination. Our results showed that AR-42, Zol, and AR-42/Zol significantly decreased the viability of multiple ATL cancer cell lines in vitro. Zol and AR-42/Zol decreased tumor growth in vivo. Zol ± AR-42 significantly decreased ATL-associated bone resorption and promoted new bone formation. AR-42-treated ATL cells had increased mRNA levels of PTHrP, ENPP2 (autotaxin) and MIP-1α, and TAX viral gene expression. AR-42 alone had no significant effect on tumor growth or osteolysis in mice. These findings indicate that Zol adjuvant therapy has the potential to reduce growth of ATL in bone and its associated osteolysis.
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Affiliation(s)
- Said M. Elshafae
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA; (S.M.E.); (N.A.K.); (J.T.B.)
- Department of Pathology, Faculty of Veterinary Medicine, Benha University, Kalyubia 13736, Egypt
| | - Nicole A. Kohart
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA; (S.M.E.); (N.A.K.); (J.T.B.)
| | - Justin T. Breitbach
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA; (S.M.E.); (N.A.K.); (J.T.B.)
| | - Blake E. Hildreth
- Department of Pathology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Thomas J. Rosol
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA
- Correspondence: ; Tel.: +1-740-593-2405
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Li X, Li X, Liu F, Li S, Shi D. Rational Multitargeted Drug Design Strategy from the Perspective of a Medicinal Chemist. J Med Chem 2021; 64:10581-10605. [PMID: 34313432 DOI: 10.1021/acs.jmedchem.1c00683] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The development of multitarget-directed ligands (MTDLs) has become a widely focused research topic, but rational design remains as an enormous challenge. This paper reviews and discusses the design strategy of incorporating the second activity into an existing single-active ligand. If the binding sites of both targets share similar endogenous substrates, MTDLs can be designed by merging two lead compounds with similar functional groups. If the binding sites are large or adjacent to the solution, two key pharmacophores can be fused directly. If the binding regions are small and deep inside the proteins, the linked-pharmacophore strategy might be the only way. The added pharmacophores of second targets should not affect the binding mode of the original ones. Moreover, the inhibitory activities of the two targets need to be adjusted to achieve an optimal ratio.
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Affiliation(s)
- Xiangqian Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Xiaowei Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Fang Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Shuo Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Dayong Shi
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
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Zalloum WA, Zalloum N. Comparative QM/MM Molecular Dynamics and Umbrella Sampling Simulations: Interaction of the Zinc-Bound Intermediate Gem-Diolate Trapoxin A Inhibitor and Acetyl-l-lysine Substrate with Histone Deacetylase 8. J Phys Chem B 2021; 125:5321-5337. [PMID: 33998791 DOI: 10.1021/acs.jpcb.1c01696] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Targeting the genetic material without destruction is a priority to develop safe anticancer drugs. Histone deacetylase 8 (HDAC8), which is proved to be involved in carcinogenesis, is an enzyme associated with the chromatin for post-translational deacetylation of acetylated lysine. In this study, HDAC8 co-crystallized with the intermediate state tetrapeptide Trapoxin A (TA) inhibitor and the holoenzyme are utilized to find their conformational ensembles. Furthermore, the co-crystallized intermediate gem-diolate TA was used to find optimum interactions with the active site residues by conventional molecular dynamics (MD) simulation and QM/MM umbrella sampling. Finally, the intermediate state of the acetyl-l-lysine substrate was explored by QM/MM steered MD and compared to the binding of the intermediate state of the inhibitor. This research showed that HDAC8 is flexible and exists in conformational ensembles in its holoenzyme state. Binding of the intermediate state TA stabilizes its conformation. The optimum binding to the active site of HDAC8 for structures of gem-diolate TA (intermediate state) and acetyl-l-lysine (intermediate state) was determined according to the corresponding energy profiles. The use of these models will aid in the design of potentially reversible, potent, and selective inhibitors of HDAC8 for cancer treatment.
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Affiliation(s)
- Waleed A Zalloum
- Department of Pharmacy, Faculty of Health Science, American University of Madaba, P.O. Box 2882, Amman 11821, Jordan
| | - Needa Zalloum
- Department of Biopharmaceutics and Clinical Pharmacy, Faculty of Pharmacy, University of Jordan, Amman 11942, Jordan
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Zając AE, Kopeć S, Szostakowski B, Spałek MJ, Fiedorowicz M, Bylina E, Filipowicz P, Szumera-Ciećkiewicz A, Tysarowski A, Czarnecka AM, Rutkowski P. Chondrosarcoma-from Molecular Pathology to Novel Therapies. Cancers (Basel) 2021; 13:2390. [PMID: 34069269 PMCID: PMC8155983 DOI: 10.3390/cancers13102390] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/01/2021] [Accepted: 05/04/2021] [Indexed: 12/16/2022] Open
Abstract
Chondrosarcoma (CHS) is the second most common primary malignant bone sarcoma. Overall survival and prognosis of this tumor are various and often extreme, depending on histological grade and tumor subtype. CHS treatment is difficult, and surgery remains still the gold standard due to the resistance of this tumor to other therapeutic options. Considering the role of differentiation of CHS subtypes and the need to develop new treatment strategies, in this review, we introduced a multidisciplinary characterization of CHS from its pathology to therapies. We described the morphology of each subtype with the role of immunohistochemical markers in diagnostics of CHS. We also summarized the most frequently mutated genes and genome regions with altered pathways involved in the pathology of this tumor. Subsequently, we discussed imaging methods and the role of currently used therapies, including surgery and the limitations of chemo and radiotherapy. Finally, in this review, we presented novel targeted therapies, including those at ongoing clinical trials, which can be a potential future target in designing new therapeutics for patients with CHS.
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Affiliation(s)
- Agnieszka E. Zając
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Sylwia Kopeć
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Bartłomiej Szostakowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Mateusz J. Spałek
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Michał Fiedorowicz
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Elżbieta Bylina
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
- Department of Clinical Trials, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Paulina Filipowicz
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Szumera-Ciećkiewicz
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland
| | - Andrzej Tysarowski
- Department of Pathology and Laboratory Medicine, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Anna M. Czarnecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
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11
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Senile Osteoporosis: The Involvement of Differentiation and Senescence of Bone Marrow Stromal Cells. Int J Mol Sci 2020; 21:ijms21010349. [PMID: 31948061 PMCID: PMC6981793 DOI: 10.3390/ijms21010349] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 12/26/2019] [Accepted: 12/31/2019] [Indexed: 12/12/2022] Open
Abstract
Senile osteoporosis has become a worldwide bone disease with the aging of the world population. It increases the risk of bone fracture and seriously affects human health. Unlike postmenopausal osteoporosis which is linked to menopause in women, senile osteoporosis is due to aging, hence, affecting both men and women. It is commonly found in people with more than their 70s. Evidence has shown that with age increase, bone marrow stromal cells (BMSCs) differentiate into more adipocytes rather than osteoblasts and undergo senescence, which leads to decreased bone formation and contributes to senile osteoporosis. Therefore, it is necessary to uncover the molecular mechanisms underlying the functional changes of BMSCs. It will benefit not only for understanding the senile osteoporosis development, but also for finding new therapies to treat senile osteoporosis. Here, we review the recent advances of the functional alterations of BMSCs and the related mechanisms during senile osteoporosis development. Moreover, the treatment of senile osteoporosis by aiming at BMSCs is introduced.
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12
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Karmakar S, Poetsch I, Kowol CR, Heffeter P, Gibson D. Synthesis and Cytotoxicity of Water-Soluble Dual- and Triple-Action Satraplatin Derivatives: Replacement of Equatorial Chlorides of Satraplatin by Acetates. Inorg Chem 2019; 58:16676-16688. [PMID: 31790216 DOI: 10.1021/acs.inorgchem.9b02796] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Pt(II) complexes, such as cisplatin and oxaliplatin, are in widespread use as anticancer drugs. Their use is limited by the toxic side effects and the ability of tumors to develop resistance to the drugs. A popular approach to overcome these drawbacks is to use their kinetically inert octahedral Pt(IV) derivatives that act as prodrugs. The most successful Pt(IV) complex in clinical trials to date is satraplatin, cct-[Pt(NH3)(c-hexylamine)Cl2(OAc)2], that upon cellular reduction releases the cytotoxic cis-[Pt(NH3)(c-hexylamine)Cl2]. In an attempt to obtain water-soluble and more effective cytotoxic Pt(IV) complexes, we prepared a series of dual- and triple-action satraplatin analogues, where the equatorial chlorido ligands were replaced with acetates and the axial ligands include innocent and bioactive ligands. Replacement of the chlorides with acetates enhanced the water solubility of the compounds and, with one exception, all of the compounds were very stable in buffer. In general, compounds with one or two axial hydroxido ligands were reduced by ascorbate significantly more quickly than compounds with two axial carboxylates. While replacement of the chlorides with acetates in satraplatin led to a reduction in cytotoxicity, the dual- and triple-action analogues with equatorial acetates had low- to sub-micromolar IC50 values in a panel of eight cancer cells. The triple-action compound cct-[Pt(NH3)(c-hexylamine)(OAc)2(PhB)(DCA)] was active in all cell lines, causing DNA damage that induced cell cycle inhibition and apoptosis. Its good activity against CT26 cells in vitro translated into good in vivo efficacy against the CT26 allograft, an in vivo model with intrinsic satraplatin resistance. This indicates that multiaction Pt(IV) derivatives of diamine dicarboxylates are interesting anticancer drug candidates.
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Affiliation(s)
- Subhendu Karmakar
- Institute for Drug Research, School of Pharmacy , The Hebrew University , Jerusalem 91120 , Israel
| | - Isabella Poetsch
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I , Medical University of Vienna , Borschkegasse 8a , 1090 Vienna , Austria.,Institute of Inorganic Chemistry, Faculty of Chemistry , University of Vienna , Vienna , Austria
| | - Christian R Kowol
- Institute of Inorganic Chemistry, Faculty of Chemistry , University of Vienna , Vienna , Austria
| | - Petra Heffeter
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I , Medical University of Vienna , Borschkegasse 8a , 1090 Vienna , Austria
| | - Dan Gibson
- Institute for Drug Research, School of Pharmacy , The Hebrew University , Jerusalem 91120 , Israel
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13
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Sharma MC, Sharma S. Molecular modeling study of uracil-based hydroxamic acids-containing histone deacetylase inhibitors. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2014.12.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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14
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Pflieger M, Hamacher A, Öz T, Horstick-Muche N, Boesen B, Schrenk C, Kassack MU, Kurz T. Novel α,β-unsaturated hydroxamic acid derivatives overcome cisplatin resistance. Bioorg Med Chem 2019; 27:115036. [DOI: 10.1016/j.bmc.2019.07.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/19/2019] [Accepted: 07/30/2019] [Indexed: 12/29/2022]
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15
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Mostoufi A, Baghgoli R, Fereidoonnezhad M. Synthesis, cytotoxicity, apoptosis and molecular docking studies of novel phenylbutyrate derivatives as potential anticancer agents. Comput Biol Chem 2019; 80:128-137. [DOI: 10.1016/j.compbiolchem.2019.03.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 02/25/2019] [Accepted: 03/21/2019] [Indexed: 02/06/2023]
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16
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Polsinelli GA, Yu HD. Regulation of histone deacetylase 3 by metal cations and 10-hydroxy-2E-decenoic acid: Possible epigenetic mechanisms of queen-worker bee differentiation. PLoS One 2018; 13:e0204538. [PMID: 30532259 PMCID: PMC6287826 DOI: 10.1371/journal.pone.0204538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 11/28/2018] [Indexed: 11/19/2022] Open
Abstract
Histone deacetylases (HDACs) catalyze the hydrolysis of Ɛ-acetyl-lysine residues of histones. Removal of acetyl groups results in condensation of chromatin structure and repression of gene expression. Human class I, II, and IV HDACs are said to be zinc-dependent in that they require divalent zinc ions to catalyze the deacetylase reaction. HDACs are considered potential targets for the treatment of cancer due to their role in regulating transcription. They are also thought to play important roles in the development of organisms such as honey bees. The fatty acid, 10-hydroxy-2E-decenoic acid (10-HDA), which can account for up to 5% of royal jelly composition has been reported as an HDAC inhibitor. The crystal structure of the HDAC3:SMRT complex possesses two monovalent cations (MVCs) labeled as potassium with one MVC binding site near the active site Zn(II) and the second MVC binding site ≥20 Å from the active site Zn(II). We report here the inhibitory effects of excess Zn(II) on the catalytic activity of histone deacetylase 3 (HDAC3) bound to the deacetylase activating domain of nuclear receptor corepressor 2 (NCOR2). We also report the effects of varying concentrations of potassium ions where [K+] up to 10 mM increase HDAC3 activity with a maximum kcat/KM of approximately 80,000 M-1s-1 while [K+] above 10 mM inhibit HDAC3 activity. The inhibition constant (Ki) of 10-HDA was determined to be 5.32 mM. The regulatory effects of zinc, potassium, and 10-HDA concentration on HDAC3 activity suggest a strong correlation between these chemical species and epigenetic control over Apis mellifera caste differentiation among other control mechanisms.
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Affiliation(s)
- Gregory A. Polsinelli
- Department of Biology, Bethany College, Bethany, WV, United States of America
- * E-mail:
| | - Hongwei D. Yu
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States of America
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17
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Deo KM, Ang DL, McGhie B, Rajamanickam A, Dhiman A, Khoury A, Holland J, Bjelosevic A, Pages B, Gordon C, Aldrich-Wright JR. Platinum coordination compounds with potent anticancer activity. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.11.014] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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18
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Petruzzella E, Sirota R, Solazzo I, Gandin V, Gibson D. Triple action Pt(iv) derivatives of cisplatin: a new class of potent anticancer agents that overcome resistance. Chem Sci 2018; 9:4299-4307. [PMID: 29780561 PMCID: PMC5944384 DOI: 10.1039/c8sc00428e] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/07/2018] [Indexed: 01/11/2023] Open
Abstract
A series of triple action Pt(iv) prodrugs was designed to test the hypothesis that multi-action compounds, where each bioactive moiety intervenes in several cellular processes, might be more effective than a single agent at killing cancer cells. In particular, "triple action" Pt(iv) derivatives of cisplatin, where the axial ligands are inhibitors of cyclooxygenase (COXi), histone deacetylase (HDACi) or pyruvate dehydrogenase kinase (PDKi) were developed. All compounds, ctc-[Pt(NH3)2(COXi)(PDKi)Cl2], ctc-[Pt(NH3)2(COXi)(HDACi)Cl2] and ctc-[Pt(NH3)2(HDACi)(PDKi)Cl2], where COXi = aspirin or ibuprofen, PDKi = dichloroacetate and HDACi = valproate or phenylbutyrate, were significantly more cytotoxic than cisplatin against all cell lines of an in-house panel of human cancer cells. They were particularly effective against thyroid and pancreatic cancer cells in monolayer cytotoxicity tests. Remarkably, in 3D spheroid cancer cell cultures, some triple action compounds showed an antitumor potency up to 50-fold higher than cisplatin against a KRAS mutated pancreatic cancer cell line (PSN-1 cells). Standard biochemical assays classically employed to explore structure activity relationships of platinum drugs, such as cellular uptake and binding to potential biological targets (DNA, HDAC, mitochondria, and COX), do not provide linear correlations with the overall cytotoxicity data. We observed a preferential induction of ROS production and of an anti-mitochondrial effect in cancer cells compared to rapidly dividing non-cancerous cells. Thus, we propose that these new triple action Pt(iv) derivatives of cisplatin are a novel and interesting class of potent and selective cytotoxic agents.
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Affiliation(s)
- Emanuele Petruzzella
- Institute for Drug Research , School of Pharmacy , The Hebrew University , Jerusalem , 91120 , Israel .
| | - Roman Sirota
- Institute for Drug Research , School of Pharmacy , The Hebrew University , Jerusalem , 91120 , Israel .
| | - Irene Solazzo
- Dipartimento di Scienze del Farmaco , Università di Padova , Via Marzolo 5 , 35131 , Padova , Italy
| | - Valentina Gandin
- Dipartimento di Scienze del Farmaco , Università di Padova , Via Marzolo 5 , 35131 , Padova , Italy
| | - Dan Gibson
- Institute for Drug Research , School of Pharmacy , The Hebrew University , Jerusalem , 91120 , Israel .
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19
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Bijian K, Kaldre D, Wang TT, Su J, Bouttier M, Boucher A, Alaoui-Jamali M, White JH, Gleason JL. Efficacy of hybrid vitamin D receptor agonist/histone deacetylase inhibitors in vitamin D-resistant triple-negative 4T1 breast cancer. J Steroid Biochem Mol Biol 2018; 177:135-139. [PMID: 28847749 DOI: 10.1016/j.jsbmb.2017.08.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 08/15/2017] [Accepted: 08/21/2017] [Indexed: 11/24/2022]
Abstract
Hormonal 1,25-dihydroxyvitamin D (1,25D) and its analogues have shown efficacy in some preclinical models of cancer. However, many models are resistant to the antiproliferative effects of 1,25D or its analogues in vitro or in vivo, and such compounds have failed in the clinic as monotherapies because of tumor resistance. Given the observed synergism between 1,25D analogues and histone deacetylase inhibitors (HDACi) in 1,25D-resistant cells, we previously developed a series of hybrid secosteroidal and easily assembled non-secosteroidal analogues that combined agonism for the vitamin D receptor and HDACi in a single backbone. These compounds displayed enhanced efficacy against 1,25D-resistant malignant cells in vitro. Structure/function studies led to synthesis of several non-secosteroidal variants in which HDACi potency was optimized without substantially sacrificing VDR agonism. Here, we present the first studies of efficacy in vivo of two of these compounds, DK-366 and DK-406, in the aggressive mouse 4T1 model of triple-negative breast cancer, a form of the disease for which treatment options are limited. 4T1 cells are resistant in vitro to the cytostatic and cytotoxic effects of 1,25D and the potent HDACi SAHA individually up to concentrations of 1μM and 50μM, respectively, whereas combinations of the two are efficacious. In vitro, DK-366 or -406 induced dose-dependent arrest of cell proliferation and cytotoxicity at 10-20μM. In vivo, the maximum tolerated dose (MTD) of DK-366 and DK-406 were 2.5 and 5.0mg/kg, respectively. Although the compounds induced hypercalcemia at elevated doses, consistent with VDR agonism in vivo, they both reduced tumor burden at doses below their MTD's. Moreover, in a separate experiment, DK-406 at 5mg/kg reduced 4T1 lung metastases by at least 50%. Under the same conditions, 1,25D (0.25μg/kg) and SAHA (25mg/kg) combined had no effect on tumor burden or on lung metastases. These experiments show that hybrid compounds are bioavailable and efficacious against a particularly aggressive model of metastatic breast cancer, providing strong support for the therapeutic potential of the hybrid concept.
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Affiliation(s)
- Krikor Bijian
- Segal Cancer Center and Lady Davis Institute for Medical Research, 3755 Cote Ste-Catherine, Montreal, QC, H3T 1E2, Canada
| | - Dainis Kaldre
- Department of Chemistry, McGill University, 801 Sherbrooke W., Montreal, QC, H3A 0B8, Canada
| | - Tian-Tian Wang
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC, H3G 1Y6, Canada
| | - Jie Su
- Segal Cancer Center and Lady Davis Institute for Medical Research, 3755 Cote Ste-Catherine, Montreal, QC, H3T 1E2, Canada
| | - Manuella Bouttier
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC, H3G 1Y6, Canada
| | - Annie Boucher
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC, H3G 1Y6, Canada
| | - Moulay Alaoui-Jamali
- Segal Cancer Center and Lady Davis Institute for Medical Research, 3755 Cote Ste-Catherine, Montreal, QC, H3T 1E2, Canada.
| | - John H White
- Department of Physiology, McGill University, 3655 Promenade Sir William Osler, Montreal, QC, H3G 1Y6, Canada; Department of Medicine, McGill University, 3655 Promenade Sir William Osler, Montreal, QC, H3G 1Y6, Canada.
| | - James L Gleason
- Department of Chemistry, McGill University, 801 Sherbrooke W., Montreal, QC, H3A 0B8, Canada.
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20
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Pucci S, Zonetti MJ, Fisco T, Polidoro C, Bocchinfuso G, Palleschi A, Novelli G, Spagnoli LG, Mazzarelli P. Carnitine palmitoyl transferase-1A (CPT1A): a new tumor specific target in human breast cancer. Oncotarget 2018; 7:19982-96. [PMID: 26799588 PMCID: PMC4991433 DOI: 10.18632/oncotarget.6964] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 01/01/2016] [Indexed: 12/03/2022] Open
Abstract
Transcriptional mechanisms epigenetically-regulated in tumoral tissues point out new targets for anti-cancer therapies. Carnitine palmitoyl transferase I (CPT1) is the rate-limiting enzyme in the transport of long-chain fatty acids for β-oxidation. Here we identified the tumor specific nuclear CPT1A as a product of the transcript variant 2, that doesn't retain the classical transferase activity and is strongly involved in the epigenetic regulation of cancer pro-survival, cell death escaping and tumor invasion pathways. The knockdown of CPT1A variant 2 by small interfering RNAs (siRNAs), was sufficient to induce apoptosis in MCF-7, SK-BR3 and MDA-MB-231 breast cancer cells. The cell death triggered by CPT1A silencing correlated with reduction of HDAC activity and histone hyperacetylation. Docking experiments and molecular dynamics simulations confirmed an high binding affinity of the variant 2 for HDAC1. The CPT1A silenced cells showed an up-regulated transcription of pro-apoptotic genes (BAD, CASP9, COL18A1) and down-modulation of invasion and metastasis related-genes (TIMP-1, PDGF-A, SERPINB2). These findings provide evidence of the CPT1 variant 2 involvement in breast cancer survival, cell death escape and invasion. Thus, we propose nuclear CPT1A as a striking tumor specific target for anticancer therapeutics, more selective and effective as compared with the well-known HDAC inhibitors.
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Affiliation(s)
- Sabina Pucci
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Maria Josè Zonetti
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Tommaso Fisco
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Chiara Polidoro
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Gianfranco Bocchinfuso
- Department of Chemical Sciences and Technologies, Tor Vergata University of Rome, Rome, Italy
| | - Antonio Palleschi
- Department of Chemical Sciences and Technologies, Tor Vergata University of Rome, Rome, Italy
| | - Giuseppe Novelli
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Luigi G Spagnoli
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Paola Mazzarelli
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
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21
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Kenny RG, Chuah SW, Crawford A, Marmion CJ. Platinum(IV) Prodrugs - A Step Closer to Ehrlich's Vision? Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601278] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Reece G. Kenny
- Department of Pharmaceutical & Medicinal Chemistry; Royal College of Surgeons in Ireland; 123 St. Stephen's Green 2 Dublin Ireland
| | - Su Wen Chuah
- Department of Pharmaceutical & Medicinal Chemistry; Royal College of Surgeons in Ireland; 123 St. Stephen's Green 2 Dublin Ireland
| | - Alanna Crawford
- Department of Pharmaceutical & Medicinal Chemistry; Royal College of Surgeons in Ireland; 123 St. Stephen's Green 2 Dublin Ireland
| | - Celine J. Marmion
- Department of Pharmaceutical & Medicinal Chemistry; Royal College of Surgeons in Ireland; 123 St. Stephen's Green 2 Dublin Ireland
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22
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Hrgovic I, Doll M, Pinter A, Kaufmann R, Kippenberger S, Meissner M. Histone deacetylase inhibitors interfere with angiogenesis by decreasing endothelial VEGFR-2 protein half-life in part via a VE-cadherin-dependent mechanism. Exp Dermatol 2017; 26:194-201. [DOI: 10.1111/exd.13159] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2016] [Indexed: 12/30/2022]
Affiliation(s)
- Igor Hrgovic
- Department of Dermatology, Venereology and Allergology; Johann Wolfgang Goethe-University; Frankfurt/Main Germany
| | - Monika Doll
- Department of Dermatology, Venereology and Allergology; Johann Wolfgang Goethe-University; Frankfurt/Main Germany
| | - Andreas Pinter
- Department of Dermatology, Venereology and Allergology; Johann Wolfgang Goethe-University; Frankfurt/Main Germany
| | - Roland Kaufmann
- Department of Dermatology, Venereology and Allergology; Johann Wolfgang Goethe-University; Frankfurt/Main Germany
| | - Stefan Kippenberger
- Department of Dermatology, Venereology and Allergology; Johann Wolfgang Goethe-University; Frankfurt/Main Germany
| | - Markus Meissner
- Department of Dermatology, Venereology and Allergology; Johann Wolfgang Goethe-University; Frankfurt/Main Germany
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23
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Jin X, Wu N, Dai J, Li Q, Xiao X. TXNIP mediates the differential responses of A549 cells to sodium butyrate and sodium 4-phenylbutyrate treatment. Cancer Med 2016; 6:424-438. [PMID: 28033672 PMCID: PMC5313639 DOI: 10.1002/cam4.977] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 09/15/2016] [Accepted: 10/25/2016] [Indexed: 11/09/2022] Open
Abstract
Sodium butyrate (NaBu) and sodium 4-phenylbutyrate (4PBA) have promising futures in cancer treatment; however, their underlying molecular mechanisms are not clearly understood. Here, we show A549 cell death induced by NaBu and 4PBA are not the same. NaBu treatment induces a significantly higher level of A549 cell death than 4PBA. A gene expression microarray identified more than 5000 transcripts that were altered (>1.5-fold) in NaBu-treated A549 cells, but fewer than 2000 transcripts that were altered in 4PBA. Moreover, more than 100 cell cycle-associated genes were greatly repressed by NaBu, but slightly repressed by 4PBA; few genes were significantly upregulated only in 4PBA-treated cells. Gene expression was further validated by other experiments. Additionally, A549 cells that were treated with these showed changes in glucose consumption, caspase 3/7 activation and histone modifications, as well as enhanced mitochondrial superoxide production. TXNIP was strongly induced by NaBu (30- to 40-fold mRNA) but was only slightly induced by 4PBA (two to fivefold) in A549 cells. TXNIP knockdown by shRNA in A549 cells significantly attenuated caspase 3/7 activation and restored cell viability, while TXNIP overexpression significantly increased caspase 3/7 activation and cell death only in NaBu-treated cells. Moreover, TXNIP also regulated NaBu- but not 4PBA-induced H4K5 acetylation and H3K4 trimethylation, possibly by increasing WDR5 expression. Finally, we demonstrated that 4PBA induced a mitochondrial superoxide-associated cell death, while NaBu did so mainly through a TXNIP-mediated pathway. The above data might benefit the future clinic application.
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Affiliation(s)
- Xuefang Jin
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Nana Wu
- The Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Juji Dai
- Department of General Surgery, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Wenzhou, China
| | - Qiuxia Li
- The Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - XiaoQiang Xiao
- The Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China.,Joint Shantou International Eye Center, Shantou University & the Chinese University of Hong Kong, Shantou, China
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24
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Kalaiarasi A, Anusha C, Sankar R, Rajasekaran S, John Marshal J, Muthusamy K, Ravikumar V. Plant Isoquinoline Alkaloid Berberine Exhibits Chromatin Remodeling by Modulation of Histone Deacetylase To Induce Growth Arrest and Apoptosis in the A549 Cell Line. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:9542-9550. [PMID: 27936791 DOI: 10.1021/acs.jafc.6b04453] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Histone deacetylases (HDACs) are a group of epigenetic enzymes that control gene expression through their repressive influence on histone deacetylation transcription. HDACs are probable therapeutic targets for cancer treatment, spurring the progress of different types of HDAC inhibitors. Further, natural-source-based derived bioactive compounds possess HDAC inhibitor property. In this way, we hypothesized that plant isoquinoline alkaloid berberine (BBR) could be a HDAC inhibitor in the human lung cancer A549 cell line. BBR represses total HDAC and also class I, II, and IV HDAC activity through hyperacetylation of histones. Furthermore, BBR triggers positive regulation of the sub-G0/G1 cell cycle progression phase in A549 cells. Moreover, BBR-induced A549 cell growth arrest and morphological changes were confirmed using different fluorescence-dye-based microscope techniques. Additionally, BBR downregulates oncogenes (TNF-α, COX-2, MMP-2, and MMP-9) and upregulates tumor suppressor genes (p21 and p53) mRNA and protein expressions. Besides, BBR actively regulates Bcl-2/Bax family proteins and also triggered the caspase cascade apoptotic pathway in A549 cells. Our finding suggests that BBR mediates epigenetic reprogramming by HDAC inhibition, which may be the key mechanism for its antineoplastic activity.
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Affiliation(s)
- Arunachalam Kalaiarasi
- Department of Biochemistry, School of Life Sciences, Bharathidasan University , Tiruchirappalli, Tamil Nadu 620 024, India
| | - Chidambaram Anusha
- Department of Biochemistry, School of Life Sciences, Bharathidasan University , Tiruchirappalli, Tamil Nadu 620 024, India
| | - Renu Sankar
- Department of Biochemistry, School of Life Sciences, Bharathidasan University , Tiruchirappalli, Tamil Nadu 620 024, India
- Food Animal Health Research Program, Ohio Agricultural Research and Development Center, The Ohio State University , 1680 Madison Avenue, Wooster, Ohio 44691, United States
| | - Subbiah Rajasekaran
- Department of Biotechnology, Bharathidasan Institute of Technology, Anna University , Tiruchirappalli, Tamil Nadu 620 024, India
| | - Jayaraj John Marshal
- Department of Bioinformatics, Alagappa University , Karaikudi, Tamil Nadu 630 003, India
| | - Karthikeyan Muthusamy
- Department of Bioinformatics, Alagappa University , Karaikudi, Tamil Nadu 630 003, India
| | - Vilwanathan Ravikumar
- Department of Biochemistry, School of Life Sciences, Bharathidasan University , Tiruchirappalli, Tamil Nadu 620 024, India
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25
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Hrgovic I, Doll M, Kleemann J, Wang XF, Zoeller N, Pinter A, Kippenberger S, Kaufmann R, Meissner M. The histone deacetylase inhibitor trichostatin a decreases lymphangiogenesis by inducing apoptosis and cell cycle arrest via p21-dependent pathways. BMC Cancer 2016; 16:763. [PMID: 27716272 PMCID: PMC5045659 DOI: 10.1186/s12885-016-2807-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 09/23/2016] [Indexed: 01/05/2023] Open
Abstract
Background The formation of new lymphatic vessels provides an additional route for tumour cells to metastasize. Therefore, inhibiting lymphangiogenesis represents an interesting target in cancer therapy. First evidence suggests that histone deacetylase inhibitors (HDACi) may mediate part of their antitumor effects by interfering with lymphangiogenesis. However, the underlying mechanisms of HDACi induced anti-lymphangiogenic properties are not fully investigated so far and in part remain unknown. Methods Human lymphatic endothelial cells (LEC) were cultured in vitro and treated with or without HDACi. Effects of HDACi on proliferation and cell cycle progress were analysed by BrdU assay and flow cytometry. Apoptosis was measured by quantifying mono- and oligonucleosomes in the cytoplasmic fraction of cell lysates. In vitro lymphangiogenesis was investigated using the Matrigel short term lymphangiogenesis assay. The effects of TSA on cell cycle regulatory proteins and apoptosis-related proteins were examined by western blotting, immunofluorescence staining and semi-quantitative RT-PCR. Protein- and mRNA half-life of p21 were analysed by western blotting and quantitative RT-PCR. The activity of the p21 promoter was determined using a dual luciferase assay and DNA-binding activity of Sp1/3 was investigated using EMSA. Furthermore, siRNA assays were performed to analyse the role of p21 and p53 on TSA-mediated anti-lymphangiogenic effects. Results We found that HDACi inhibited cell proliferation and that the pan-HDACi TSA induced G0/G1 arrest in LEC. Cell cycle arrest was accompanied by up-regulation of p21, p27 and p53. Additionally, we observed that p21 protein accumulated in cellular nuclei after treatment with TSA. Moreover, we found that p21 mRNA was significantly up-regulated by TSA, while the protein and mRNA half-life remained largely unaffected. The promoter activity of p21 was enhanced by TSA indicating a transcriptional mechanism. Subsequent EMSA analyses showed increased constitutive Sp1/3-dependent DNA binding in response to HDACi. We demonstrated that p53 was not required for TSA induced p21 expression and growth inhibition of LECs. Interestingly, siRNA-mediated p21 depletion almost completely reversed the anti-proliferative effects of TSA in LEC. In addition, TSA induced apoptosis by cytochrome c release contributed to activating caspases-9, −7 and −3 and downregulating the anti-apoptotic proteins cIAP-1 and −2. Conclusions In conclusion, we demonstrate that TSA - a pan-HDACi - has distinct anti-lymphangiogenic effects in primary human lymphatic endothelial cells by activating intrinsic apoptotic pathway and cell cycle arrest via p21-dependent pathways. Electronic supplementary material The online version of this article (doi:10.1186/s12885-016-2807-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Igor Hrgovic
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany. .,Klinik für Dermatologie, Venerologie und Allergologie, Klinikum der J. W. Goethe-Universität, Theodor-Stern-Kai 7, Frankfurt am Main, D-60590, Germany.
| | - Monika Doll
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
| | - Johannes Kleemann
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
| | - Xiao-Fan Wang
- Department of Pharmacology & Cancer Biology, Duke University School of Medicine, C218 LSRC, Box 3813, Durham, NC, 27710, USA
| | - Nadja Zoeller
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
| | - Andreas Pinter
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
| | - Stefan Kippenberger
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
| | - Roland Kaufmann
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
| | - Markus Meissner
- Department of Dermatology, Venereology and Allergology, Goethe University, Theodor-Stern Kai 7, Frankfurt/Main, 60590, Germany
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Adverse effect of valproic acid on an in vitro gastrulation model entails activation of retinoic acid signaling. Reprod Toxicol 2016; 66:68-83. [PMID: 27693483 DOI: 10.1016/j.reprotox.2016.09.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 09/18/2016] [Accepted: 09/26/2016] [Indexed: 02/06/2023]
Abstract
Valproic acid (VPA), an antiepileptic drug, is a teratogen that causes neural tube and axial skeletal defects, although the mechanisms are not fully understood. We previously established a gastrulation model using mouse P19C5 stem cell embryoid bodies (EBs), which exhibits axial patterning and elongation morphogenesis in vitro. Here, we investigated the effects of VPA on the EB axial morphogenesis to gain insights into its teratogenic mechanisms. Axial elongation and patterning of EBs were inhibited by VPA at therapeutic concentrations. VPA elevated expression levels of various developmental regulators, including Cdx1 and Hoxa1, known transcriptional targets of retinoic acid (RA) signaling. Co-treatment of EBs with VPA and BMS493, an RA receptor antagonist, partially rescued axial elongation as well as gene expression profiles. These results suggest that VPA requires active RA signaling to interfere with EB morphogenesis.
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Allen TEH, Liggi S, Goodman JM, Gutsell S, Russell PJ. Using Molecular Initiating Events To Generate 2D Structure–Activity Relationships for Toxicity Screening. Chem Res Toxicol 2016; 29:1611-1627. [DOI: 10.1021/acs.chemrestox.6b00101] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Timothy E. H. Allen
- Centre
for Molecular Informatics, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Sonia Liggi
- Centre
for Molecular Informatics, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Jonathan M. Goodman
- Centre
for Molecular Informatics, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Steve Gutsell
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire MK44 1LQ, United Kingdom
| | - Paul J. Russell
- Unilever Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, Bedfordshire MK44 1LQ, United Kingdom
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The resistance related to targeted therapy in malignant pleural mesothelioma: Why has not the target been hit yet? Crit Rev Oncol Hematol 2016; 107:20-32. [PMID: 27823648 DOI: 10.1016/j.critrevonc.2016.08.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 08/23/2016] [Accepted: 08/30/2016] [Indexed: 01/06/2023] Open
Abstract
Malignant pleural mesothelioma (MPM) is an aggressive tumor of the pleura with a poor prognosis. The most active first-line regimens are platinum compounds and pemetrexed. There is no standard second-line treatment in MPM. Advances in the understanding of tumor molecular biology have led to the development of several targeted treatments, which have been evaluated in clinical trials. Unfortunately none of the explored targeted treatments can currently be recommended as routine treatment in MPM. We reviewed the biological pathways involved in MPM, the clinical trials about targeted therapy, and possible related mechanisms of resistance. We suggest that specific genetic markers are needed as targets of selective therapy. By this way the selection of patients based on the molecular profile may facilitate a therapeutic strategy that allows the use of the most appropriate drug for each patient.
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Nakakido M, Deng Z, Suzuki T, Dohmae N, Nakamura Y, Hamamoto R. PRMT6 increases cytoplasmic localization of p21CDKN1A in cancer cells through arginine methylation and makes more resistant to cytotoxic agents. Oncotarget 2016; 6:30957-67. [PMID: 26436589 PMCID: PMC4741580 DOI: 10.18632/oncotarget.5143] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 08/21/2015] [Indexed: 12/12/2022] Open
Abstract
p21CDKN1A is known as a potent inhibitor of cyclin-dependent kinase (CDK), which regulates cell cycle in response to various stimuli, including DNA damage, on the p53-dependent manner. Here we demonstrate that protein arginine methyltransferase 6 (PRMT6) methylates p21 at arginine 156 and promotes phosphorylation of threonine 145 on p21, resulting in the increase of cytoplasmic localization of p21. The cytoplasmic presence of p21 makes cancer cells more resistant to cytotoxic agents. Our results indicate that PRMT6 appears to be one of the key proteins to dysregulate p21 functions in human cancer, and targeting this pathway may be an appropriate strategy for development of anticancer drugs.
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Affiliation(s)
- Makoto Nakakido
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, MC2115, Chicago, IL 60637, USA
| | - Zhenzhong Deng
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, MC2115, Chicago, IL 60637, USA
| | - Takehiro Suzuki
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Saitama 351-0198, Japan
| | - Naoshi Dohmae
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Saitama 351-0198, Japan
| | - Yusuke Nakamura
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, MC2115, Chicago, IL 60637, USA
| | - Ryuji Hamamoto
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, MC2115, Chicago, IL 60637, USA
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The Impact of External Factors on the Epigenome: In Utero and over Lifetime. BIOMED RESEARCH INTERNATIONAL 2016; 2016:2568635. [PMID: 27294112 PMCID: PMC4887632 DOI: 10.1155/2016/2568635] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 04/12/2016] [Accepted: 04/26/2016] [Indexed: 01/07/2023]
Abstract
Epigenetic marks change during fetal development, adult life, and aging. Some changes play an important role in the establishment and regulation of gene programs, but others seem to occur without any apparent physiological role. An important future challenge in the field of epigenetics will be to describe how the environment affects both of these types of epigenetic change and to learn if interaction between them can determine healthy and disease phenotypes during lifetime. Here we discuss how chemical and physical environmental stressors, diet, life habits, and pharmacological treatments can affect the epigenome during lifetime and the possible impact of these epigenetic changes on pathophysiological processes.
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31
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Lkhagva B, Kao YH, Chen YC, Chao TF, Chen SA, Chen YJ. Targeting histone deacetylases: A novel therapeutic strategy for atrial fibrillation. Eur J Pharmacol 2016; 781:250-7. [PMID: 27089819 DOI: 10.1016/j.ejphar.2016.04.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 03/18/2016] [Accepted: 04/15/2016] [Indexed: 12/28/2022]
Abstract
Atrial fibrillation (AF) is a common cardiac arrhythmia associated with high mortality and morbidity. Current treatments of AF have limited efficacy and considerable side effects. Histone deacetylases (HDACs) play critical roles in the pathophysiology of cardiovascular diseases and contribute to the genesis of AF. Therefore, HDAC inhibition may prove a novel therapeutic strategy for AF through upstream therapy and modifications of AF electrical and structural remodeling. In this review, we provide an update of the knowledge of the effects of HDACs and HDAC inhibitors on AF, and dissect potential underlying mechanisms.
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Affiliation(s)
- Baigalmaa Lkhagva
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yu-Hsun Kao
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Department of Medical Education and Research, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Yao-Chang Chen
- Department of Biomedical Engineering, National Defense Medical Center, Taipei, Taiwan
| | - Tze-Fan Chao
- Division of Cardiology and Cardiovascular Research Center, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shih-Ann Chen
- Division of Cardiology and Cardiovascular Research Center, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yi-Jen Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Cardiovascular Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
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32
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Histone deacetylases as new therapy targets for platinum-resistant epithelial ovarian cancer. J Cancer Res Clin Oncol 2015; 142:1659-71. [PMID: 26560874 PMCID: PMC4954831 DOI: 10.1007/s00432-015-2064-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Accepted: 10/20/2015] [Indexed: 12/31/2022]
Abstract
Introduction In developed countries, ovarian cancer is the fourth most common cancer in women. Due to the non-specific symptomatology associated with the disease many patients with ovarian cancer are diagnosed late, which leads to significantly poorer prognosis. Apart from surgery and radiotherapy, a substantial number of ovarian cancer patients will undergo chemotherapy and platinum based agents are the mainstream first-line therapy for this disease. Despite the initial efficacy of these therapies, many women relapse; therefore, strategies for second-line therapies are required. Regulation of DNA transcription is crucial for tumour progression, metastasis and chemoresistance which offers potential for novel drug targets. Methods We have reviewed the existing literature on the role of histone deacetylases, nuclear enzymes regulating gene transcription. Results and conclusion Analysis of available data suggests that a signifant proportion of drug resistance stems from abberant gene expression, therefore HDAC inhibitors are amongst the most promising therapeutic targets for cancer treatment. Together with genetic testing, they may have a potential to serve as base for patient-adapted therapies.
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33
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Sharma S, Taliyan R. Transcriptional dysregulation in Huntington's disease: The role of histone deacetylases. Pharmacol Res 2015; 100:157-69. [PMID: 26254871 DOI: 10.1016/j.phrs.2015.08.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 08/03/2015] [Accepted: 08/03/2015] [Indexed: 12/16/2022]
Abstract
Huntington's disease (HD) is a progressive neurological disorder for which there are no disease-modifying treatments. Although, the exact underlying mechanism(s) leading to the neural cell death in HD still remains elusive, the transcriptional dysregulation is a major molecular feature. Recently, the transcriptional activation and repression regulated by chromatin acetylation has been found to be impaired in HD pathology. The acetylation and deacetylation of histone proteins is carried out by opposing actions of histone acetyl-transferases and histone deacetylases (HDACs), respectively. Studies carried out in cell culture, yeast, Drosophila and rodent model(s) have indicated that HDAC inhibitors (HDACIs) might provide useful class of therapeutic agents for HD. Clinical trials have also reported the beneficial effects of HDACIs in patients suffering from HD. Therefore, the development of HDACIs as therapeutics for HD has been vigorously pursued. In this review, we highlight and summarize the putative role of HDACs in HD like pathology and further discuss the potential of HDACIs as new therapeutic avenues for the treatment of HD.
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Affiliation(s)
- Sorabh Sharma
- Neuropharmacology Division, Department of Pharmacy Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India.
| | - Rajeev Taliyan
- Neuropharmacology Division, Department of Pharmacy Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
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Kaldre D, Wang TT, Fischer J, White JH, Gleason JL. Optimization of histone deacetylase inhibitor activity in non-secosteroidal vitamin D-receptor agonist hybrids. Bioorg Med Chem 2015; 23:5035-5049. [DOI: 10.1016/j.bmc.2015.05.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 04/27/2015] [Accepted: 05/04/2015] [Indexed: 12/11/2022]
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35
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Heim J, Felder E, Tahir MN, Kaltbeitzel A, Heinrich UR, Brochhausen C, Mailänder V, Tremel W, Brieger J. Genotoxic effects of zinc oxide nanoparticles. NANOSCALE 2015; 7:8931-8938. [PMID: 25916659 DOI: 10.1039/c5nr01167a] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The potential toxicity of nanoparticles has currently provoked public and scientific discussions, and attempts to develop generally accepted handling procedures for nanoparticles are under way. The investigation of the impact of nanoparticles on human health is overdue and reliable test systems accounting for the special properties of nanomaterials must be developed. Nanoparticular zinc oxide (ZnO) may be internalised through ambient air or the topical application of cosmetics, only to name a few, with unpredictable health effects. Therefore, we analysed the determinants of ZnO nanoparticle (NP) genotoxicity. ZnO NPs (15-18 nm in diameter) were investigated at concentrations of 0.1, 10 and 100 μg mL(-1) using the cell line A549. Internalised NPs were only infrequently detectable by TEM, but strongly increased Zn(2+) levels in the cytoplasm and even more in the nuclear fraction, as measured by atom absorption spectroscopy, indicative of an internalised zinc and nuclear accumulation. We observed a time and dosage dependent reduction of cellular viability after ZnO NP exposure. ZnCl2 exposure to cells induced similar impairments of cellular viability. Complexation of Zn(2+) with diethylene triamine pentaacetic acid (DTPA) resulted in the loss of toxicity of NPs, indicating the relevant role of Zn(2+) for ZnO NP toxicity. Foci analyses showed the induction of DNA double strand breaks (DSBs) by ZnO NPs and increased intracellular reactive oxygen species (ROS) levels. Treatment of the cells with the ROS scavenger N-acetyl-l-cysteine (NAC) resulted in strongly decreased intracellular ROS levels and reduced DNA damage. However, a slow increase of ROS after ZnO NP exposure and reduced but not quashed DSBs after NAC-treatment suggest that Zn(2+) may exert genotoxic activities without the necessity of preceding ROS-induction. Our data indicate that ZnO NP toxicity is a result of cellular Zn(2+) intake. Subsequently increased ROS-levels cause DNA damage. However, we found evidence for the assumption that DNA-DSBs could be caused by Zn(2+) without the involvement of ROS.
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Affiliation(s)
- Julia Heim
- Molecular Tumorbiology, Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center of the Johannes Gutenberg University, Mainz, Germany.
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Lorenz V, Hessenkemper W, Rödiger J, Kyrylenko S, Kraft F, Baniahmad A. Sodium butyrate induces cellular senescence in neuroblastoma and prostate cancer cells. Horm Mol Biol Clin Investig 2015; 7:265-72. [PMID: 25961265 DOI: 10.1515/hmbci.2011.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2011] [Accepted: 05/30/2011] [Indexed: 12/31/2022]
Abstract
Cellular senescence leads to an irreversible block of cellular division capacity both in cell culture and in vivo. The induction of an irreversible cell cycle arrest is very useful for treatment of cancer. Histone deacetylases (HDACs) are considered as therapeutic targets to treat cancer patients. HDAC inhibitors repress cancer growth and are used in various clinical trials. Here, we analyzed whether sodium butyrate (NaBu), an inhibitor of class I and II HDACs, induces cellular senescence in neuroblastoma and prostate cancer (PCa) including an androgen-dependent as well as an androgen-independent human PCa cell line. We found that the HDAC inhibitors NaBu and valproic acid (VPA) induce cellular senescence in tumor cells. Interestingly, also an inhibitor of SIRT1, a class HDAC III, induces cellular senescence. Both neuroblastoma and human prostate cancer cell lines express senescence markers, such as the Senescence Associated-β-galactosidase (SA-β-Gal) and Senescence Associated Heterochromatin Foci (SAHF). Furthermore, NaBu down-regulates the proto-oncogenes c-Myc, Cyclin D1 and E2F1 mRNA levels. The mRNA level of the cell cycle inhibitor p16 remains unchanged whereas that of the tumor suppressor p21 is strongly up-regulated. Interestingly, NaBu treatment robustly increases reactive oxygen species (ROS) levels. These results indicate an epigenetic regulation and an association of HDAC inhibition and ROS production with cellular senescence. The data underline that tumor cells can be driven towards cellular senescence by HDAC inhibitors, which may further arise as a potent possibility for tumor suppression.
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37
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Yang XL, Zhang CD, Wu HY, Wu YH, Zhang YN, Qin MB, Wu H, Liu XC, Lina X, Lu SM. Effect of trichostatin A on CNE2 nasopharyngeal carcinoma cells--genome-wide DNA methylation alteration. Asian Pac J Cancer Prev 2015; 15:4663-70. [PMID: 24969901 DOI: 10.7314/apjcp.2014.15.11.4663] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Trichostatin A (TSA) is a histone deacetylase (HDAC) inhibitor. We here investigated its effects on proliferation and apoptosis of the CNE2 carcinoma cell line, and attempted to establish genome-wide DNA methylation alteration due to differentially histone acetylation status. After cells were treated by TSA, the inhibitory rate of cell proliferation was examined with a CCK8 kit, and cell apoptosis was determined by flow cytometry. Compared to control, TSA inhibited CNE2 cell growth and induced apoptosis. Furthermore, TSA was found to induce genome-wide methylation alteration as assessed by genome-wide methylation array. Overall DNA methylation level of cells treated with TSA was higher than in controls. Function and pathway analysis revealed that many genes with methylation alteration were involved in key biological roles, such as apoptosis and cell proliferation. Three genes (DAP3, HSPB1 and CLDN) were independently confirmed by quantitative real-time PCR. Finally, we conclude that TSA inhibits CNE2 cell growth and induces apoptosis in vitro involving genome-wide DNA methylation alteration, so that it has promising application prospects in treatment of NPC in vivo. Although many unreported hypermethylated/hypomethylated genes should be further analyzed and validated, the pointers to new biomarkers and therapeutic strategies in the treatment of NPC should be stressed.
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Affiliation(s)
- Xiao-Li Yang
- Medical Scientific Research Center, Guangxi Medical University, Nanning, China E-mail :
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Tinoco G, Wilky BA, Paz-Mejia A, Rosenberg A, Trent JC. The biology and management of cartilaginous tumors: a role for targeting isocitrate dehydrogenase. Am Soc Clin Oncol Educ Book 2015:e648-e655. [PMID: 25993236 DOI: 10.14694/edbook_am.2015.35.e648] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Chondrosarcomas are rare mesenchymal neoplasms defined by the production of abnormal cartilaginous matrix. Conventional chondrosarcoma is the most common histology. The management of primary conventional chondrosarcoma generally is surgical with the possible addition of radiation therapy. Treatment of conventional chondrosarcoma is problematic in unresectable or metastatic disease because the tumors tend to be resistant to standard sarcoma chemotherapy regimens. Previous attempts at targeted therapy, including inhibitors of Hedgehog signaling, the mTOR pathway, and platelet-derived growth factor receptor (PDGFR) have been largely disappointing. However, heterozygous mutations in isocitrate dehydrogenase (IDH) enzymes recently have been identified in chondrogenic neoplasms, with mutations reported in approximately 87% of benign enchondromas, 70% of conventional chondrosarcomas, and 54% of dedifferentiated chondrosarcomas. The normal IDH protein continues to produce alpha-ketoglutarate (alpha-KG) whereas the mutant IDH protein converts KG to the oncometabolite 2-hydroxyglutarate (2-HG). Clinical trials of novel IDH inhibitors are ongoing, with evidence of early activity in IDH-mutant leukemias. IDH inhibitors show antitumor effects against IDH-mutant chondrosarcoma cell lines, supporting the inclusion of patients with chondrosarcoma with IDH mutations on IDH inhibitor clinical trials for solid tumors. Targeting IDH mutations may offer hope of a novel antineoplastic strategy not only for patients with chondrosarcomas, but also for other solid tumors with aberrant IDH activity.
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Affiliation(s)
- Gabriel Tinoco
- From the Sylvester Comprehensive Cancer Center, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL; Sylvester Comprehensive Cancer Center, Department of Pathology, University of Miami Miller School of Medicine, Miami, FL
| | - Breelyn A Wilky
- From the Sylvester Comprehensive Cancer Center, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL; Sylvester Comprehensive Cancer Center, Department of Pathology, University of Miami Miller School of Medicine, Miami, FL
| | - Ana Paz-Mejia
- From the Sylvester Comprehensive Cancer Center, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL; Sylvester Comprehensive Cancer Center, Department of Pathology, University of Miami Miller School of Medicine, Miami, FL
| | - Andrew Rosenberg
- From the Sylvester Comprehensive Cancer Center, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL; Sylvester Comprehensive Cancer Center, Department of Pathology, University of Miami Miller School of Medicine, Miami, FL
| | - Jonathan C Trent
- From the Sylvester Comprehensive Cancer Center, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL; Sylvester Comprehensive Cancer Center, Department of Pathology, University of Miami Miller School of Medicine, Miami, FL
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Song J, Jin EH, Kim D, Kim KY, Chun CH, Jin EJ. MicroRNA-222 regulates MMP-13 via targeting HDAC-4 during osteoarthritis pathogenesis. BBA CLINICAL 2014; 3:79-89. [PMID: 26673737 PMCID: PMC4661531 DOI: 10.1016/j.bbacli.2014.11.009] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 11/27/2014] [Accepted: 11/29/2014] [Indexed: 12/21/2022]
Abstract
Background Even though increasing evidences on miRNA involvement in human pathological responses, the distinct roles and related mechanisms of miRNAs in the pathology of osteoarthritis (OA) are not yet fully understood. Method RNA levels or protein levels of Apoptotic genes, HDACs, MMP-13, and miRNAs in human chondrocytes isolated from normal biopsy sample and OA cartilages were analyzed by real-time PCR or western blotting. Exogenous modulation of miR-222 level was performed using delivery of its specific precursor or specific inhibitor and target validation assay was applied to identify its potent target. In vivo study using DMM mice model was performed and assessed the degree of cartilage degradation. Results According to miRNA profiling, miR-222 was significantly down-regulated in OA chondrocytes. Over-expression of miR-222 significantly suppressed apoptotic death by down-regulating HDAC-4 and MMP-13 level. Moreover, 3′-UTR reporter assays showed that HDAC-4 is a direct target of miR-222. The treatment of chondrocytes with the HDAC inhibitor, trichostatin A (TSA), suppressed MMP-13 protein level and apoptosis, whereas the over-expression of HDAC-4 displayed opposite effects. The introduction of miR-222 into the cartilage of medial meniscus destabilized mice significantly reduced cartilage destruction and MMP-13 level. Conclusion Taken together, our data suggest that miR-222 may be involved in cartilage destruction by targeting HDAC-4 and regulating MMP-13 level. MiR-222 controls OA pathogenesis by targeting HDAC-4. HADC-4 regulated by miR-222 modulates MMP-13 expression during cartilage destruction. Our study indicates the possibility that miR-222 could act as a protective factor against OA.
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Affiliation(s)
- Jinsoo Song
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Chunbuk 570-749, Korea
| | - Eun-Heui Jin
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Chunbuk 570-749, Korea
| | - Dongkyun Kim
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Chunbuk 570-749, Korea
| | - Keun Young Kim
- Department of Surgery, Wonkwang University School of Medicine, Iksan, Chunbuk 570-749, Korea
| | - Churl-Hong Chun
- Department of Orthopedic Surgery, Wonkwang University School of Medicine, Iksan, Chunbuk 570-749, Korea
| | - Eun-Jung Jin
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Chunbuk 570-749, Korea ; Integrated Omics Institute, Wonkwang University, Iksan, Chunbuk 570-749, Korea
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40
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Abramova MV, Svetlikova SB, Kukushkin AN, Aksenov ND, Pospelova TV, Pospelov VA. HDAC inhibitor sodium butyrate sensitizes E1A+Ras-transformed cells to DNA damaging agents by facilitating formation and persistence of γH2AX foci. Cancer Biol Ther 2014; 12:1069-77. [DOI: 10.4161/cbt.12.12.18365] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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41
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Anestopoulos I, Voulgaridou GP, Georgakilas AG, Franco R, Pappa A, Panayiotidis MI. Epigenetic therapy as a novel approach in hepatocellular carcinoma. Pharmacol Ther 2014; 145:103-19. [PMID: 25205159 DOI: 10.1016/j.pharmthera.2014.09.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 09/02/2014] [Indexed: 02/07/2023]
Abstract
Hepatocellular carcinoma (HCC) is the most common type of liver malignancy and one with high fatality. Its 5-year survival rate remains low and thus, there is a need for improvement of current treatment strategies as well as development of novel targeted methodologies in order to optimize existing therapeutic protocols. To this end, only recently, it was discovered that its pathophysiology also involves epigenetic alterations in DNA methylation, histone modifications and/or non-coding microRNA patterns. Unlike genetic events, epigenetic alterations are reversible and thus potentially considered to be an alternative option in cancer treatment protocols. In this review, we describe the general characteristics and resulted major alterations of the epigenetic machinery as well as current state of progress of epigenetic therapy (via different single or combinatorial experimental approaches) in HCC.
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Affiliation(s)
- Ioannis Anestopoulos
- Department of Molecular Biology & Genetics, Democritus University of Thrace, Alexandroupolis, Greece
| | | | - Alexandros G Georgakilas
- School of Applied Mathematical & Physical Sciences, National Technical University of Athens, Athens, Greece
| | - Rodrigo Franco
- Redox Biology Center, School of Veterinary Medicine & Biomedical Sciences, Redox Biology Center, University of Nebraska-Lincoln, USA
| | - Aglaia Pappa
- Department of Molecular Biology & Genetics, Democritus University of Thrace, Alexandroupolis, Greece
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42
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Eom GH, Kook H. Posttranslational modifications of histone deacetylases: Implications for cardiovascular diseases. Pharmacol Ther 2014; 143:168-80. [DOI: 10.1016/j.pharmthera.2014.02.012] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Accepted: 02/25/2014] [Indexed: 02/08/2023]
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43
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Alcarraz-Vizán G, Sánchez-Tena S, Moyer MP, Cascante M. Validation of NCM460 cell model as control in antitumor strategies targeting colon adenocarcinoma metabolic reprogramming: Trichostatin A as a case study. Biochim Biophys Acta Gen Subj 2014; 1840:1634-9. [DOI: 10.1016/j.bbagen.2013.12.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 11/18/2013] [Accepted: 12/17/2013] [Indexed: 12/22/2022]
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44
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Degen M, Alexander B, Choudhury M, Eshghi M, Konno S. Alternative therapeutic approach to renal-cell carcinoma: induction of apoptosis with combination of vitamin K3 and D-fraction. J Endourol 2014; 27:1499-503. [PMID: 24341344 DOI: 10.1089/end.2013.0207] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
PURPOSE Because of a dismal prognosis for advanced renal-cell carcinoma (RCC), an alternative therapeutic approach, using vitamin K3 (VK3) and D-fraction (DF) was investigated. VK3 is a synthetic VK derivative and DF is a bioactive mushroom extract, and they have been shown to have antitumor activity. We examined if the combination of VK3 and DF would exhibit the improved anticancer effect on RCC in vitro. MATERIALS AND METHODS Human RCC, ACHN cell line, were treated with varying concentrations of VK3, DF, or a combination of the two. Cell viability was assessed at 72 hours by MTT assay. To explore the possible anticancer mechanism, studies on cell cycle, chromatin modifications, and apoptosis were conducted. RESULTS VK3 alone led to a ~20% reduction in cell viability at 4 μM, while DF alone induced a 20% to 45% viability reduction at ≥ 500 μg/mL. A combination of VK3 (4 μM) and DF (300 μg/mL) led to a drastic >90% viability reduction, however. Cell cycle analysis indicated that VK3/DF treatment induced a G1 cell cycle arrest, accompanied by the up-regulation of p21(WAF1) and p27(Kip1). Histone deacetylase (HDAC) was also significantly (~60%) inactivated, indicating chromatin modifications. In addition, Western blot analysis revealed that the up-regulation of Bax and activation of poly-(ADP-ribose)-polymerase (PARP) were seen in VK3/DF-treated cells, indicating induction of apoptosis. CONCLUSIONS The combination of VK3 and DF can lead to a profound reduction in ACHN cell viability, through a p21(WAF1)-mediated G1 cell cycle arrest, and ultimately induces apoptosis. Therefore, the combination of VK3/DF may have clinical implications as an alternative, improved therapeutic modality for advanced RCC.
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Affiliation(s)
- Michael Degen
- Department of Urology, New York Medical College , Valhalla, New York
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45
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Bergadà L, Yeramian A, Sorolla A, Matias-Guiu X, Dolcet X. Antioxidants impair anti-tumoral effects of Vorinostat, but not anti-neoplastic effects of Vorinostat and caspase-8 downregulation. PLoS One 2014; 9:e92764. [PMID: 24651472 PMCID: PMC3961419 DOI: 10.1371/journal.pone.0092764] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 02/26/2014] [Indexed: 11/18/2022] Open
Abstract
We have recently demonstrated that histone deacetylase inhibitor, Vorinostat, applied as a single therapy or in combination with caspase-8 downregulation exhibits high anti-tumoral activity on endometrial carcinoma cell lines. In the present study, we have assessed the signalling processes underlying anti-tumoral effects of Vorinostat. Increasing evidence suggests that reactive oxygen species are responsible for histone deacetylase inhibitor-induced cell killing. We have found that Vorinostat induces formation of reactive oxygen species and DNA damage. To investigate the role of oxidative stress as anti-neoplastic mechanism, we have evaluated the effects of different antioxidants (Bha, Nac and Tiron) on endometrial carcinoma cell line Ishikawa treated with Vorinostat. We show that Bha, Nac and Tiron markedly inhibited the cytotoxic effects of Vorinostat, increasing cell viability in vitro. We found that all three antioxidants did not inhibited accumulation of acetyl Histone H4, so that antioxidants did not inhibit Vorinostat activity. Finally, we have evaluated the effects of antioxidants on anti-tumoral activity of Vorinostat as monotherapy or in combination with caspase-8 downregulation in vivo. Interestingly, antioxidants blocked the reduction of tumour growth caused by Vorinostat, but they were unable to inhibit anti-tumoral activity of Vorinostat plus caspase-8 inhibition.
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Affiliation(s)
- Laura Bergadà
- Oncologic Pathology Group, Department de Ciències Mèdiques Bàsiques, Universitat de Lleida, Hospital Universitari Arnau de Vilanova, Institut de Recerca Biomèdica de Lleida, IRBLleida, Lleida, Spain
| | - Andree Yeramian
- Oncologic Pathology Group, Department de Ciències Mèdiques Bàsiques, Universitat de Lleida, Hospital Universitari Arnau de Vilanova, Institut de Recerca Biomèdica de Lleida, IRBLleida, Lleida, Spain
| | - Annabel Sorolla
- Oncologic Pathology Group, Department de Ciències Mèdiques Bàsiques, Universitat de Lleida, Hospital Universitari Arnau de Vilanova, Institut de Recerca Biomèdica de Lleida, IRBLleida, Lleida, Spain
| | - Xavier Matias-Guiu
- Oncologic Pathology Group, Department de Ciències Mèdiques Bàsiques, Universitat de Lleida, Hospital Universitari Arnau de Vilanova, Institut de Recerca Biomèdica de Lleida, IRBLleida, Lleida, Spain
| | - Xavier Dolcet
- Oncologic Pathology Group, Department de Ciències Mèdiques Bàsiques, Universitat de Lleida, Hospital Universitari Arnau de Vilanova, Institut de Recerca Biomèdica de Lleida, IRBLleida, Lleida, Spain
- * E-mail:
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46
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Shiva Shankar TV, Willems L. Epigenetic modulators mitigate angiogenesis through a complex transcriptomic network. Vascul Pharmacol 2014; 60:57-66. [PMID: 24445350 DOI: 10.1016/j.vph.2014.01.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 12/18/2013] [Accepted: 01/08/2014] [Indexed: 12/19/2022]
Abstract
In this review, we summarize the knowledge pertaining to the role of epigenetics in the regulation of angiogenesis. In particular, we show that lysine acetylation and cytosine methylation are important transcriptional regulators of angiogenic genes in endothelial cells. Lysine acetylation and cytosine methylation inhibitors idiosyncratically tune the transcriptome and affect expression of key modulators of angiogenesis such as VEGF and eNOS. Transcriptomic profiling also reveals a series of novel genes that are concomitantly affected by epigenetic modulators. The reversibility and overall tolerability of currently available epigenetic inhibitors open up the prospect of therapeutic intervention in pathologies where angiogenesis is exacerbated. This type of multitargeted strategy has the major advantage of overcoming the compensatory feedback mechanisms that characterize single anti-angiogenic factors.
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Affiliation(s)
- T V Shiva Shankar
- Molecular and Cellular Epigenetics (GIGA-Cancer) and Molecular Biology (GxABT), University of Liège (ULg), Liège, Belgium
| | - L Willems
- Molecular and Cellular Epigenetics (GIGA-Cancer) and Molecular Biology (GxABT), University of Liège (ULg), Liège, Belgium.
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Min KN, Joung KE, Kim DK, Sheen YY. Anti-Cancer Effect of IN-2001 in MDA-MB-231 Human Breast Cancer. Biomol Ther (Seoul) 2013; 20:313-9. [PMID: 24130929 PMCID: PMC3794529 DOI: 10.4062/biomolther.2012.20.3.313] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Revised: 11/01/2011] [Accepted: 11/02/2011] [Indexed: 11/29/2022] Open
Abstract
In recent years, inhibition of HDACs has emerged as a potential strategy to reverse aberrant epigenetic changes associated with cancer, and several classes of HDAC inhibitors have been found to have potent and specific anticancer activities in preclinical studies. But their precise mechanism of action has not been elucidated. In this study, a novel synthetic inhibitor of HDAC, 3-(4-dimethylamino phenyl)-N-hydroxy-2-propenamide [IN-2001] was examined for its antitumor activity and the underlying molecular mechanisms of any such activity on human breast cancer cell lines. IN-2001 effectively inhibited cellular HDAC activity (IC50 = 0.585 nM) in MDA-MB-231 human breast cancer cells. IN-2001 caused a significant dose-dependent inhibition of cell proliferation in estrogen receptor (ER) negative MDA-MB-231 human breast cancer cells. Cell cycle analysis revealed that the gowth inhibitory effects of IN-2001 might be attributed to cell cycle arrest at G0/G1 and/or G2/Mphase and subsequent apoptosis in human breast cancer cells. These events are accompanied by modulating several cell cycle and apoptosis regulatory genes such as CDK inhibitors p21WAF1 and p27KIP1 cyclin D1, and other tumor suppressor genes such as cyclin D2. Collectively, IN-2001 inhibited cell proliferation and induced apoptosis in human breast cancer cells and these findings may provide new therapeutic approaches, combination of antiestrogen together with a HDAC inhibitor, in the hormonal therapy-resistant ER-negative breast cancers. In summary, our data suggest that this histone deacetylase inhibitor, IN-2001, is a novel promising therapeutic agent with potent antitumor effects against human breast cancers.
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Affiliation(s)
- Kyung Nan Min
- College of Pharmacy, Ewha Womans University, Seoul 120-750, Republic of Korea
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48
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Joung KE, Min KN, Kim DK, Sheen YY. Anti-Cancer Effect of IN-2001 in T47D Human Breast Cancer. Biomol Ther (Seoul) 2013; 20:81-8. [PMID: 24116279 PMCID: PMC3792206 DOI: 10.4062/biomolther.2012.20.1.081] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Revised: 11/02/2011] [Accepted: 11/02/2011] [Indexed: 11/05/2022] Open
Abstract
Histone deacetylases (HDACs) are enzymes involved in the remodelling of chromatin, and have a key role in the epigenetic regulation of gene expression. Histone deacetylase (HDAC) inhibitors are emerging as an exciting new class of potential anti-cancer agents. In recent years, a number of structurally diverse HDAC inhibitors have been identified and these HDAC inhibitors induce growth arrest, differentiation and/or apoptosis of cancer cells in vitro and in vivo. However, the underlying molecular mechanisms remain unclear. This study aimed at investigating the anti-tumor activity of various HDAC inhibitors, IN-2001, using T47D human breast cancer cells. Moreover, the possible mechanism by which HDAC inhibitors exhibit anti-tumor activity was also explored. In estrogen receptor positive T47D cells, IN-2001, HDAC inhibitor showed anti-proliferative effects in dose-and time-dependent manner. In T47D human breast cancer cells showed anti-tumor activity of IN-2001 and the growth inhibitory effects of IN-2001 were related to the cell cycle arrest and induction of apoptosis. Flow cytometry studies revealed that IN-2001 showed accumulation of cells at G2/M phase. At the same time, IN-2001 treatment time-dependently increased sub-G1 population, representing apoptotic cells. IN-2001-mediated cell cycle arrest was associated with induction of cdk inhibitor expression. In T47D cells, IN-2001 as well as other HDAC inhibitors treatment significantly increased p21(WAF1) and p27(KIP1) expression. In addition, thymidylate synthase, an essential enzyme for DNA replication and repair, was down-regulated by IN-2001 and other HDAC inhibitors in the T47D human breast cancer cells. In summary, IN-2001 with a higher potency than other HDAC inhibitors induced growth inhibition, cell cycle arrest, and eventual apoptosis in human breast cancer possibly through modulation of cell cycle and apoptosis regulatory proteins, such as cdk inhibitors, cyclins, and thymidylate synthase.
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Affiliation(s)
- Ki Eun Joung
- College of Pharmacy, Ewha Womans University, Seoul 120-750, Republic of Korea
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49
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Abstract
Spinal cord injury results from an insult inflicted on the spinal cord that usually encompasses its 4 major functions (motor, sensory, autonomic, and reflex). The type of deficits resulting from spinal cord injury arise from primary insult, but their long-term severity is due to a multitude of pathophysiological processes during the secondary phase of injury. The failure of the mammalian spinal cord to regenerate and repair is often attributed to the very feature that makes the central nervous system special-it becomes so highly specialized to perform higher functions that it cannot effectively reactivate developmental programs to re-build novel circuitry to restore function after injury. Added to this is an extensive gliotic and immune response that is essential for clearance of cellular debris, but also lays down many obstacles that are detrimental to regeneration. Here, we discuss how the mature chromatin state of different central nervous system cells (neural, glial, and immune) may contribute to secondary pathophysiology, and how restoring silenced developmental gene expression by altering histone acetylation could stall secondary damage and contribute to novel approaches to stimulate endogenous repair.
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Affiliation(s)
- Elisa M. York
- Department of Zoology (Life Sciences Institute), Brain Research Institute and International Collaboration on Repair Discoveries (iCORD), University of British Columbia, 2350 Health Sciences Blvd, V6T 1Z3 Vancouver, Canada
| | - Audrey Petit
- Department of Zoology (Life Sciences Institute), Brain Research Institute and International Collaboration on Repair Discoveries (iCORD), University of British Columbia, 2350 Health Sciences Blvd, V6T 1Z3 Vancouver, Canada
| | - A. Jane Roskams
- Department of Zoology (Life Sciences Institute), Brain Research Institute and International Collaboration on Repair Discoveries (iCORD), University of British Columbia, 2350 Health Sciences Blvd, V6T 1Z3 Vancouver, Canada
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50
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Kortenhorst MSQ, Wissing MD, Rodríguez R, Kachhap SK, Jans JJM, Van der Groep P, Verheul HMW, Gupta A, Aiyetan PO, van der Wall E, Carducci MA, Van Diest PJ, Marchionni L. Analysis of the genomic response of human prostate cancer cells to histone deacetylase inhibitors. Epigenetics 2013; 8:907-20. [PMID: 23880963 DOI: 10.4161/epi.25574] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Histone deacetylases (HDACs) have emerged as important targets for cancer treatment. HDAC-inhibitors (HDACis) are well tolerated in patients and have been approved for the treatment of patients with cutaneous T-cell lymphoma (CTCL). To improve the clinical benefit of HDACis in solid tumors, combination strategies with HDACis could be employed. In this study, we applied Analysis of Functional Annotation (AFA) to provide a comprehensive list of genes and pathways affected upon HDACi-treatment in prostate cancer cells. This approach provides an unbiased and objective approach to high throughput data mining. By performing AFA on gene expression data from prostate cancer cell lines DU-145 (an HDACi-sensitive cell line) and PC3 (a relatively HDACi-resistant cell line) treated with HDACis valproic acid or vorinostat, we identified biological processes that are affected by HDACis and are therefore potential treatment targets for combination therapy. Our analysis revealed that HDAC-inhibition resulted among others in upregulation of major histocompatibility complex (MHC) genes and deregulation of the mitotic spindle checkpoint by downregulation of genes involved in mitosis. These findings were confirmed by AFA on publicly available data sets from HDACi-treated prostate cancer cells. In total, we analyzed 375 microarrays with HDACi treated and non-treated (control) prostate cancer cells. All results from this extensive analysis are provided as an online research source (available at the journal's website and at http://luigimarchionni.org/HDACIs.html). By publishing this data, we aim to enhance our understanding of the cellular changes after HDAC-inhibition, and to identify novel potential combination strategies with HDACis for the treatment of prostate cancer patients.
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Affiliation(s)
- Madeleine S Q Kortenhorst
- Department of Gynecology; Catharina Hospital Eindhoven; Eindhoven, The Netherlands; Prostate Cancer Program; Sidney Kimmel Comprehensive Cancer Center; Johns Hopkins University School of Medicine; Baltimore, MD USA; These authors contributed equally to this work
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