Histone Deacetylase Inhibitors for CTCL
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An Overview of the Role of Hdacs in Cancer Immunotherapy
International Journal of Molecular Sciences Review Immunoepigenetics Combination Therapies: An Overview of the Role of HDACs in Cancer Immunotherapy Debarati Banik, Sara Moufarrij and Alejandro Villagra * Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, 800 22nd St NW, Suite 8880, Washington, DC 20052, USA; [email protected] (D.B.); [email protected] (S.M.) * Correspondence: [email protected]; Tel.: +(202)-994-9547 Received: 22 March 2019; Accepted: 28 April 2019; Published: 7 May 2019 Abstract: Long-standing efforts to identify the multifaceted roles of histone deacetylase inhibitors (HDACis) have positioned these agents as promising drug candidates in combatting cancer, autoimmune, neurodegenerative, and infectious diseases. The same has also encouraged the evaluation of multiple HDACi candidates in preclinical studies in cancer and other diseases as well as the FDA-approval towards clinical use for specific agents. In this review, we have discussed how the efficacy of immunotherapy can be leveraged by combining it with HDACis. We have also included a brief overview of the classification of HDACis as well as their various roles in physiological and pathophysiological scenarios to target key cellular processes promoting the initiation, establishment, and progression of cancer. Given the critical role of the tumor microenvironment (TME) towards the outcome of anticancer therapies, we have also discussed the effect of HDACis on different components of the TME. We then have gradually progressed into examples of specific pan-HDACis, class I HDACi, and selective HDACis that either have been incorporated into clinical trials or show promising preclinical effects for future consideration. -
Vorinostat—An Overview Aditya Kumar Bubna
E-IJD RESIDENTS' PAGE Vorinostat—An Overview Aditya Kumar Bubna Abstract From the Consultant Vorinostat is a new drug used in the management of cutaneous T cell lymphoma when the Dermatologist, Kedar Hospital, disease persists, gets worse or comes back during or after treatment with other medicines. It is Chennai, Tamil Nadu, India an efficacious and well tolerated drug and has been considered a novel drug in the treatment of this condition. Currently apart from cutaneous T cell lymphoma the role of Vorinostat for Address for correspondence: other types of cancers is being investigated both as mono-therapy and combination therapy. Dr. Aditya Kumar Bubna, Kedar Hospital, Mugalivakkam Key Words: Cutaneous T cell lymphoma, histone deacytelase inhibitor, Vorinostat Main Road, Porur, Chennai - 600 125, Tamil Nadu, India. E-mail: [email protected] What was known? • Vorinostat is a histone deacetylase inhibitor. • It is an FDA approved drug for the treatment of cutaneous T cell lymphoma. Introduction of Vorinostat is approximately 9. Vorinostat is slightly Vorinostat is a histone deacetylase (HDAC) inhibitor, soluble in water, alcohol, isopropanol and acetone and is structurally belonging to the hydroxymate group. Other completely soluble in dimethyl sulfoxide. drugs in this group include Givinostat, Abexinostat, Mechanism of action Panobinostat, Belinostat and Trichostatin A. These Vorinostat is a broad inhibitor of HDAC activity and inhibits are an emergency class of drugs with potential anti- class I and class II HDAC enzymes.[2,3] However, Vorinostat neoplastic activity. These drugs were developed with the does not inhibit HDACs belonging to class III. Based on realization that apart from genetic mutation, alteration crystallographic studies, it has been seen that Vorinostat of HDAC enzymes affected the phenotypic and genotypic binds to the zinc atom of the catalytic site of the HDAC expression in cells, which in turn lead to disturbed enzyme with the phenyl ring of Vorinostat projecting out of homeostasis and neoplastic growth. -
HDAC Inhibition Activates the Apoptosome Via Apaf1 Upregulation
Buurman et al. Eur J Med Res (2016) 21:26 DOI 10.1186/s40001-016-0217-x European Journal of Medical Research RESEARCH Open Access HDAC inhibition activates the apoptosome via Apaf1 upregulation in hepatocellular carcinoma Reena Buurman, Maria Sandbothe, Brigitte Schlegelberger and Britta Skawran* Abstract Background: Histone deacetylation, a common hallmark in malignant tumors, strongly alters the transcription of genes involved in the control of proliferation, cell survival, differentiation and genetic stability. We have previously shown that HDAC1, HDAC2, and HDAC3 (HDAC1–3) genes encoding histone deacetylases 1–3 are upregulated in primary human hepatocellular carcinoma (HCC). The aim of this study was to characterize the functional effects of HDAC1–3 downregulation and to identify functionally important target genes of histone deacetylation in HCC. Methods: Therefore, HCC cell lines were treated with the histone deacetylase inhibitor (HDACi) trichostatin A and by siRNA-knockdown of HDAC1–3. Differentially expressed mRNAs were identified after siRNA-knockdown of HDAC1–3 using mRNA expression profiling. Findings were validated after siRNA-mediated silencing of HDAC1–3 using qRTPCR and Western blotting assays. Results: mRNA profiling identified apoptotic protease-activating factor 1 (Apaf1) to be significantly upregulated after HDAC inhibition (HLE siRNA#1/siRNA#2 p < 0.05, HLF siRNA#1/siRNA#2 p < 0.05). As a component of the apoptosome, a caspase-activating complex, Apaf1 plays a central role in the mitochondrial caspase activation pathway of apopto- sis. Using annexin V, a significant increase in apoptosis could also be shown in HLE (siRNA #1 p 0.0034) and HLF after siRNA against HDAC1–3 (Fig. -
Chidamide, a Histone Deacetylase Inhibitor, Induces Growth Arrest and Apoptosis in Multiple Myeloma Cells in a Caspase‑Dependent Manner
ONCOLOGY LETTERS 18: 411-419, 2019 Chidamide, a histone deacetylase inhibitor, induces growth arrest and apoptosis in multiple myeloma cells in a caspase‑dependent manner XIANG-GUI YUAN*, YU-RONG HUANG*, TENG YU, HUA-WEI JIANG, YANG XU and XIAO-YING ZHAO Department of Hematology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China Received August 1, 2018; Accepted March 29, 2019 DOI: 10.3892/ol.2019.10301 Abstract. Chidamide, a novel histone deacetylase (HDAC) Introduction inhibitor, induces antitumor effects in various types of cancer. The present study aimed to evaluate the cytotoxic effect of Multiple myeloma (MM) is the second most frequent hemato- chidamide on multiple myeloma and the underlying mecha- logical neoplasm in the USA in 2018 (1) and is characterized nisms involved. Viability of multiple myeloma cells upon by the infiltration of clonal plasma cells in the bone marrow, chidamide treatment was determined by the Cell Counting secretion of monoclonal immunoglobulins and end organ Kit-8 assay. Apoptosis induction and cell cycle alteration were damage (2). Over the last decade, the introduction of protea- detected by flow cytometry. Specific apoptosis-associated some inhibitors [bortezomib (BTZ) and carfilzomib] and proteins and cell cycle proteins were evaluated by western immunomodulatory drugs (thalidomide and lenalidomide), blot analysis. Chidamide suppressed cell viability in a time- combined with autologous stem cell transplantation, have and dose-dependent manner. Chidamide treatment markedly significantly improved the prognosis of patients with MM. suppressed the expression of type I HDACs and further The 5-year overall survival (OS) rate of patients diagnosed induced the acetylation of histones H3 and H4. -
Evaluation of the Therapeutic Potential of the Novel Isotype Specific HDAC Inhibitor 4SC-202 in Urothelial Carcinoma Cell Lines
Targ Oncol DOI 10.1007/s11523-016-0444-7 ORIGINAL RESEARCH ARTICLE Evaluation of the Therapeutic Potential of the Novel Isotype Specific HDAC Inhibitor 4SC-202 in Urothelial Carcinoma Cell Lines Maria Pinkerneil1 & Michèle J. Hoffmann1 & Hella Kohlhof2 & Wolfgang A. Schulz1 & Günter Niegisch1 # The Author(s) 2016. This article is published with open access at Springerlink.com Abstract Results 4SC-202 significantly reduced proliferation of all ep- Background Targeting of class I histone deacetylases ithelial and mesenchymal UC cell lines (IC50 0.15–0.51 μM), (HDACs) exerts antineoplastic actions in various cancer types inhibited clonogenic growth and induced caspase activity. by modulation of transcription, upregulation of tumor sup- Flow cytometry revealed increased G2/M and subG1 fractions pressors, induction of cell cycle arrest, replication stress and in VM-CUB1 and UM-UC-3 cells. Both effects were stronger promotion of apoptosis. Class I HDACs are often deregulated than with SAHA treatment. in urothelial cancer. 4SC-202, a novel oral benzamide type Conclusion Specific pharmacological inhibition of class I HDAC inhibitor (HDACi) specific for class I HDACs HDACs by 4SC-202 impairs UC cell viability, inducing cell HDAC1, HDAC2 and HDAC3 and the histone demethylase cycle disturbances and cell death. Combined inhibition of LSD1, shows substantial anti-tumor activity in a broad range HDAC1, HDAC2 and HDAC3 seems to be a promising treat- of cancer cell lines and xenograft tumor models. ment strategy for UC. Aim The aim of this study was to investigate the therapeutic potential of 4SC-202 in urothelial carcinoma (UC) cell lines. Methods We determined dose response curves of 4SC-202 by KeyPoints MTT assay in seven UC cell lines with distinct HDAC1, 4SC-202 exerts significant antineoplastic effects on HDAC2 and HDAC3 expression profiles. -
Drug Screening Approach Combines Epigenetic Sensitization With
Facciotto et al. Clinical Epigenetics (2019) 11:192 https://doi.org/10.1186/s13148-019-0781-3 METHODOLOGY Open Access Drug screening approach combines epigenetic sensitization with immunochemotherapy in cancer Chiara Facciotto1†, Julia Casado1†, Laura Turunen2, Suvi-Katri Leivonen3,4, Manuela Tumiati1, Ville Rantanen1, Liisa Kauppi1, Rainer Lehtonen1, Sirpa Leppä3,4, Krister Wennerberg2 and Sampsa Hautaniemi1* Abstract Background: The epigenome plays a key role in cancer heterogeneity and drug resistance. Hence, a number of epigenetic inhibitors have been developed and tested in cancers. The major focus of most studies so far has been on the cytotoxic effect of these compounds, and only few have investigated the ability to revert the resistant phenotype in cancer cells. Hence, there is a need for a systematic methodology to unravel the mechanisms behind epigenetic sensitization. Results: We have developed a high-throughput protocol to screen non-simultaneous drug combinations, and used it to investigate the reprogramming potential of epigenetic inhibitors. We demonstrated the effectiveness of our protocol by screening 60 epigenetic compounds on diffuse large B-cell lymphoma (DLBCL) cells. We identified several histone deacetylase (HDAC) and histone methyltransferase (HMT) inhibitors that acted synergistically with doxorubicin and rituximab. These two classes of epigenetic inhibitors achieved sensitization by disrupting DNA repair, cell cycle, and apoptotic signaling. The data used to perform these analyses are easily browsable through our Results Explorer. Additionally, we showed that these inhibitors achieve sensitization at lower doses than those required to induce cytotoxicity. Conclusions: Our drug screening approach provides a systematic framework to test non-simultaneous drug combinations. This methodology identified HDAC and HMT inhibitors as successful sensitizing compounds in treatment-resistant DLBCL. -
Maintenance Therapy in Lymphoma
Getting the Facts Helpline: (800) 500-9976 [email protected] Maintenance Therapy in Lymphoma Overview Maintenance therapy refers to the ongoing treatment of patients • What side effects might I experience? Are the side effects whose disease has responded well to frontline or firstline (initial) expected to increase as I continue on maintenance therapy? treatment. More and more cancer treatments have emerged that are • Does my insurance cover this treatment? effective at helping to place the cancer into remission (disappearance Is maintenance therapy better for me than active surveillance of signs and symptoms of lymphoma). Maintenance regimens are • followed by this same therapy if the lymphoma returns? used to keep the cancer in remission. Will the use of maintenance therapy have any impact on any Maintenance therapy typically consists of nonchemotherapy drugs • given at lower doses and longer intervals than those used during future therapies I may need? induction therapy (initial treatment). Depending on the type of Treatments Under Investigation lymphoma and the medications used, maintenance therapy may last for weeks, months, or even years. Brentuximab vedotin (Adcetris), Many agents are being studied in clinical trials as maintenance lenalidomide (Revlimid), and rituximab (Rituxan) are examples of therapy for different subtypes of lymphoma, either alone or as part of treatments used as maintenance therapy in various lymphomas. As a combination therapy regimen, including: new effective treatments with limited toxicity are developed, more • Bortezomib (Velcade) drugs are likely to be used as maintenance therapies. • Ibrutinib (Imbruvica) Although the medications used for maintenance treatments generally have fewer side effects than chemotherapy, patients may still • Ixazomib (Ninlaro) experience adverse events. -
Effect of Givinostat, an HDAC Inhibitor, on Disease Milestones in Duchenne Muscular Dystrophy Boys Paolo Bettica1, M.D., Ph.D., Giacomo P
Effect of Givinostat, an HDAC inhibitor, on disease milestones in Duchenne Muscular Dystrophy boys Paolo Bettica1, M.D., Ph.D., Giacomo P. Comi2, M.D., Enrico Bertini3, M.D., Giuseppe Vita3, M.D., Eugenio Mercuri4, M.D, Sara Cazzaniga1§, M.Sc. 1 Italfarmaco S.p.A., Italy; 2 Dino Ferrari Centre Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, University of Milan, Italy; 3 Bambino Gesù Children's Hospital, IRCCS, Rome. Italy; 3 University of Messina, NEMO Clinical Centre, Messina, Italy; 4 Catholic University, Rome, Italy; Corresponding Author§ email: [email protected] PHASE 3 TRIAL Phase 3, multicentre, double blind, placebo controlled (2:1) study in 242 patients to What happens at study visits? • demonstrate that Givinostat oral suspension preserves muscle mass and slows down disease Informed Consent Paperwork • progression. The study is ongoing in USA, Canada and European countries. A total of 15 visits (every 3 months): • Blood draw more frequently during the first 3 months: • first month: weekly • second month: every 2 weeks • from the third month: every 3 months What does participant entail?: • Surveys (baseline, at 12 and 18 months) and Diaries • must be ambulant DMD boys from 6 years (every visit) of age, • Muscle tests every 3 months (6MWT, NSAA, 4SC, QMT) • on stable corticosteroid for at least 6 • Pulmonary Function test baseline, at 12 and 18 months months prior to start the treatment, • Thigh muscle MRI: baseline, at 12 and 18 months • able to perform the 4 stairs climb in no • Upon successful completion of the study, participants, more than 8 seconds and time to stand up regardless the ability to walk, will have the opportunity to in ≥ 3 and less than 10 seconds, enter into long term safety study and they will ALL receive the • do the MRI scan drug Givinostat Mechanism of Action in Duchenne Downstream effects of the Impact on the lack of dystrophin epigenetic effects of the lack of dystrophin Mechanical effects : . -
Safety and Efficacy of the Maximum Tolerated Dose of Givinostat in Polycythemia Vera
Leukemia (2020) 34:2234–2237 https://doi.org/10.1038/s41375-020-0735-y LETTER Chronic myeloproliferative neoplasms Safety and efficacy of the maximum tolerated dose of givinostat in polycythemia vera: a two-part Phase Ib/II study 1 2 3 4 5,6 Alessandro Rambaldi ● Alessandra Iurlo ● Alessandro M. Vannucchi ● Richard Noble ● Nikolas von Bubnoff ● 7 8 9 10 11 12 Attilio Guarini ● Bruno Martino ● Antonio Pezzutto ● Giuseppe Carli ● Marianna De Muro ● Stefania Luciani ● 13 14 15 16 17 Mary Frances McMullin ● Nathalie Cambier ● Jean-Pierre Marolleau ● Ruben A. Mesa ● Raoul Tibes ● 3 3 18 18 18 Alessandro Pancrazzi ● Francesca Gesullo ● Paolo Bettica ● Sara Manzoni ● Silvia Di Tollo Received: 15 October 2019 / Revised: 6 December 2019 / Accepted: 29 January 2020 / Published online: 11 February 2020 © The Author(s) 2020. This article is published with open access To the Editor: Recently, ropeginterferon α-2b was approved by European Medicinal Agency as first line for patients without symp- Polycythemia vera (PV) is a chronic myeloproliferative tomatic splenomegaly [3]. Ruxolitinib is second-line for neoplasm (cMPN) characterized by stem cell-derived clonal patients who are refractory and/or intolerant to hydroxyurea myeloproliferation resulting in panmyelosis with persis- [4]; other treatments include busulfan, pipobroman [5], and 1234567890();,: 1234567890();,: tently raised hematocrit, increased risk of thrombotic com- nonpegylated and pegylated interferons (off-label) [1, 6, 7], plications, and predisposition to evolve to myelofibrosis or but use is limited by side effects and safety concerns. leukemia [1]. Therapy is currently based on phlebotomy to Additional, targeted therapies are therefore needed. normalize hematocrit, and aspirin. Hydroxyurea is used as Up to 98% of patients with PV bear the JAK2V617F gene first line when cytoreduction is necessary [1], although mutation, which activates erythropoietin receptor signaling toxicity can result in inadequate disease management [2]. -
Romidepsin Enhances the Efficacy of Cytarabine in Vivo, Revealing Histone Deacetylase Inhibition As a Promising Therapeutic Stra
LETTERS TO THE EDITOR treated with high-dose cytarabine developed severe Romidepsin enhances the efficacy of cytarabine myelosuppression in comparison to the other cohorts in vivo, revealing histone deacetylase inhibition as a (Figure 1B). In particular, there was a statistically signifi- promising therapeutic strategy for cant reduction in mean hemoglobin (98 vs. 42.5 g/L; KMT2A-rearranged infant acute lymphoblastic P<0.0001), white blood cell (2.43 vs. 0.13x109/L; leukemia P<0.0001) and platelet (757 vs. 294x109/L; P<0.0021) count between the mice treated with romidepsin and low- Acute lymphoblastic leukemia (ALL) in infants diag- dose cytarabine combination therapy compared to those nosed at less than 12 months of age is an aggressive malig- treated with high-dose cytarabine. nancy with a poor prognosis. Rearrangements of the Three xenograft models, PER-785, MLL-5 and MLL-14, KMT2A gene (KMT2A-r) are present in up to 80% of were used to determine the response to drug treatment by 1 cases, with 5-year event-free survival (EFS) less than 40%. EFS. MLL-5 and MLL-14 are well characterized patient- Dose intensive chemotherapy has been incorporated into derived xenografts which harbor t(10;11) and t(11;19) contemporary treatment regimens; however, this has translocations respectively.5 MLL-5 and MLL-14 were increased the burden of toxicity during therapy and late selected to test whether findings could be validated in 1,2 effects in survivors. There is a desperate need to identify independent models with distinct translocation partners. novel therapies to improve outcome. -
Histone Deacetylase Inhibitors: a Prospect in Drug Discovery Histon Deasetilaz İnhibitörleri: İlaç Keşfinde Bir Aday
Turk J Pharm Sci 2019;16(1):101-114 DOI: 10.4274/tjps.75047 REVIEW Histone Deacetylase Inhibitors: A Prospect in Drug Discovery Histon Deasetilaz İnhibitörleri: İlaç Keşfinde Bir Aday Rakesh YADAV*, Pooja MISHRA, Divya YADAV Banasthali University, Faculty of Pharmacy, Department of Pharmacy, Banasthali, India ABSTRACT Cancer is a provocative issue across the globe and treatment of uncontrolled cell growth follows a deep investigation in the field of drug discovery. Therefore, there is a crucial requirement for discovering an ingenious medicinally active agent that can amend idle drug targets. Increasing pragmatic evidence implies that histone deacetylases (HDACs) are trapped during cancer progression, which increases deacetylation and triggers changes in malignancy. They provide a ground-breaking scaffold and an attainable key for investigating chemical entity pertinent to HDAC biology as a therapeutic target in the drug discovery context. Due to gene expression, an impending requirement to prudently transfer cytotoxicity to cancerous cells, HDAC inhibitors may be developed as anticancer agents. The present review focuses on the basics of HDAC enzymes, their inhibitors, and therapeutic outcomes. Key words: Histone deacetylase inhibitors, apoptosis, multitherapeutic approach, cancer ÖZ Kanser tedavisi tüm toplum için büyük bir kışkırtıcıdır ve ilaç keşfi alanında bir araştırma hattını izlemektedir. Bu nedenle, işlemeyen ilaç hedeflerini iyileştirme yeterliliğine sahip, tıbbi aktif bir ajan keşfetmek için hayati bir gereklilik vardır. Artan pragmatik kanıtlar, histon deasetilazların (HDAC) kanserin ilerleme aşamasında deasetilasyonu arttırarak ve malignite değişikliklerini tetikleyerek kapana kısıldığını ifade etmektedir. HDAC inhibitörleri, ilaç keşfi bağlamında terapötik bir hedef olarak HDAC biyolojisiyle ilgili kimyasal varlığı araştırmak için, çığır açıcı iskele ve ulaşılabilir bir anahtar sağlarlar. -
Patent Application Publication ( 10 ) Pub . No . : US 2019 / 0192440 A1
US 20190192440A1 (19 ) United States (12 ) Patent Application Publication ( 10) Pub . No. : US 2019 /0192440 A1 LI (43 ) Pub . Date : Jun . 27 , 2019 ( 54 ) ORAL DRUG DOSAGE FORM COMPRISING Publication Classification DRUG IN THE FORM OF NANOPARTICLES (51 ) Int . CI. A61K 9 / 20 (2006 .01 ) ( 71 ) Applicant: Triastek , Inc. , Nanjing ( CN ) A61K 9 /00 ( 2006 . 01) A61K 31/ 192 ( 2006 .01 ) (72 ) Inventor : Xiaoling LI , Dublin , CA (US ) A61K 9 / 24 ( 2006 .01 ) ( 52 ) U . S . CI. ( 21 ) Appl. No. : 16 /289 ,499 CPC . .. .. A61K 9 /2031 (2013 . 01 ) ; A61K 9 /0065 ( 22 ) Filed : Feb . 28 , 2019 (2013 .01 ) ; A61K 9 / 209 ( 2013 .01 ) ; A61K 9 /2027 ( 2013 .01 ) ; A61K 31/ 192 ( 2013. 01 ) ; Related U . S . Application Data A61K 9 /2072 ( 2013 .01 ) (63 ) Continuation of application No. 16 /028 ,305 , filed on Jul. 5 , 2018 , now Pat . No . 10 , 258 ,575 , which is a (57 ) ABSTRACT continuation of application No . 15 / 173 ,596 , filed on The present disclosure provides a stable solid pharmaceuti Jun . 3 , 2016 . cal dosage form for oral administration . The dosage form (60 ) Provisional application No . 62 /313 ,092 , filed on Mar. includes a substrate that forms at least one compartment and 24 , 2016 , provisional application No . 62 / 296 , 087 , a drug content loaded into the compartment. The dosage filed on Feb . 17 , 2016 , provisional application No . form is so designed that the active pharmaceutical ingredient 62 / 170, 645 , filed on Jun . 3 , 2015 . of the drug content is released in a controlled manner. Patent Application Publication Jun . 27 , 2019 Sheet 1 of 20 US 2019 /0192440 A1 FIG .