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Zhang LY, Zhang SY, Wen R, Zhang TN, Yang N. Role of histone deacetylases and their inhibitors in neurological diseases. Pharmacol Res 2024:107410. [PMID: 39276955 DOI: 10.1016/j.phrs.2024.107410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 09/05/2024] [Accepted: 09/10/2024] [Indexed: 09/17/2024]
Abstract
Histone deacetylases (HDACs) are zinc-dependent deacetylases that remove acetyl groups from lysine residues of histones or form protein complexes with other proteins for transcriptional repression, changing chromatin structure tightness, and inhibiting gene expression. Recent in vivo and in vitro studies have amply demonstrated the critical role of HDACs in the cell biology of the nervous system during both physiological and pathological processes and have provided new insights into the conduct of research on neurological disease targets. In addition, in vitro and in vivo studies on HDAC inhibitors show promise for the treatment of various diseases. This review summarizes the regulatory mechanisms of HDAC and the important role of its downstream targets in nervous system diseases, and summarizes the therapeutic mechanisms and efficacy of HDAC inhibitors in various nervous system diseases. Additionally, the current pharmacological situation, problems, and developmental prospects of HDAC inhibitors are described. A better understanding of the pathogenic mechanisms of HDACs in the nervous system may reveal new targets for therapeutic interventions in diseases and help to relieve healthcare pressure through preventive measures.
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Affiliation(s)
- Li-Ying Zhang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Sen-Yu Zhang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Ri Wen
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Tie-Ning Zhang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Ni Yang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China.
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2
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Das V, Miller JH, Alladi CG, Annadurai N, De Sanctis JB, Hrubá L, Hajdúch M. Antineoplastics for treating Alzheimer's disease and dementia: Evidence from preclinical and observational studies. Med Res Rev 2024; 44:2078-2111. [PMID: 38530106 DOI: 10.1002/med.22033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 02/15/2024] [Accepted: 03/04/2024] [Indexed: 03/27/2024]
Abstract
As the world population ages, there will be an increasing need for effective therapies for aging-associated neurodegenerative disorders, which remain untreatable. Dementia due to Alzheimer's disease (AD) is one of the leading neurological diseases in the aging population. Current therapeutic approaches to treat this disorder are solely symptomatic, making the need for new molecular entities acting on the causes of the disease extremely urgent. One of the potential solutions is to use compounds that are already in the market. The structures have known pharmacokinetics, pharmacodynamics, toxicity profiles, and patient data available in several countries. Several drugs have been used successfully to treat diseases different from their original purposes, such as autoimmunity and peripheral inflammation. Herein, we divulge the repurposing of drugs in the area of neurodegenerative diseases, focusing on the therapeutic potential of antineoplastics to treat dementia due to AD and dementia. We briefly touch upon the shared pathological mechanism between AD and cancer and drug repurposing strategies, with a focus on artificial intelligence. Next, we bring out the current status of research on the development of drugs, provide supporting evidence from retrospective, clinical, and preclinical studies on antineoplastic use, and bring in new areas, such as repurposing drugs for the prion-like spreading of pathologies in treating AD.
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Affiliation(s)
- Viswanath Das
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Olomouc, Czech Republic
| | - John H Miller
- School of Biological Sciences and Centre for Biodiscovery, Victoria University of Wellington, Wellington, New Zealand
| | - Charanraj Goud Alladi
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Olomouc, Czech Republic
| | - Narendran Annadurai
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Olomouc, Czech Republic
| | - Juan Bautista De Sanctis
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Olomouc, Czech Republic
| | - Lenka Hrubá
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Olomouc, Czech Republic
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, Olomouc, Czech Republic
- Czech Advanced Technologies and Research Institute (CATRIN), Institute of Molecular and Translational Medicine, Palacký University Olomouc, Olomouc, Czech Republic
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3
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Zhou C, Zhao D, Wu C, Wu Z, Zhang W, Chen S, Zhao X, Wu S. Role of histone deacetylase inhibitors in non-neoplastic diseases. Heliyon 2024; 10:e33997. [PMID: 39071622 PMCID: PMC11283006 DOI: 10.1016/j.heliyon.2024.e33997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/30/2024] Open
Abstract
Background Epigenetic dysregulation has been implicated in the development and progression of a variety of human diseases, but epigenetic changes are reversible, and epigenetic enzymes and regulatory proteins can be targeted using small molecules. Histone deacetylase inhibitors (HDACis), as a class of epigenetic drugs, are widely used to treat various cancers and other diseases involving abnormal gene expression. Results Specially, HDACis have emerged as a promising strategy to enhance the therapeutic effect of non-neoplastic conditions, including neurological disorders, cardiovascular diseases, renal diseases, autoimmune diseases, inflammatory diseases, infectious diseases and rare diseases, along with their related mechanisms. However, their clinical efficacy has been limited by drug resistance and toxicity. Conclusions To date, most clinical trials of HDAC inhibitors have been related to the treatment of cancer rather than the treatment of non-cancer diseases, for which experimental studies are gradually underway. Discussions regarding non-neoplastic diseases often concentrate on specific disease types. Therefore, this review highlights the development of HDACis and their potential therapeutic applications in non-neoplastic diseases, either as monotherapy or in combination with other drugs or therapies.
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Affiliation(s)
- Chunxiao Zhou
- College of Medicine, Qingdao University, Qingdao, 266000, China
| | - Dengke Zhao
- Harbin Medical University, Harbin, 150000, China
| | - Chunyan Wu
- College of Medicine, Qingdao University, Qingdao, 266000, China
| | - Zhimin Wu
- College of Medicine, Qingdao University, Qingdao, 266000, China
| | - Wen Zhang
- College of Medicine, Qingdao University, Qingdao, 266000, China
| | - Shilv Chen
- College of Medicine, Qingdao University, Qingdao, 266000, China
| | - Xindong Zhao
- College of Medicine, Qingdao University, Qingdao, 266000, China
| | - Shaoling Wu
- Department of Hematology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
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4
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Pereira M, Cruz MT, Fortuna A, Bicker J. Restoring the epigenome in Alzheimer's disease: advancing HDAC inhibitors as therapeutic agents. Drug Discov Today 2024; 29:104052. [PMID: 38830501 DOI: 10.1016/j.drudis.2024.104052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 05/21/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
Current treatment options for Alzheimer's disease (AD) focus on symptom relief rather than halting disease progression. In this context, targeting histone deacetylation emerges as a promising therapeutic alternative. Dysregulation of histone deacetylase (HDAC) activity is present in AD, contributing to cognitive decline. Pharmacological HDAC inhibition has shown benefits in preclinical models, namely reduced amyloid beta plaque formation, lower phosphorylation and aggregation of tau protein, greater microtubule stability, less neuroinflammation, and improved metabolic homeostasis and cell survival. Nonetheless, clinical trials evidenced limitations such as insufficient selectivity or blood-brain barrier penetration. Hence, future innovative strategies are required to enhance their efficacy/safety.
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Affiliation(s)
- Márcia Pereira
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal
| | - Maria Teresa Cruz
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; University of Coimbra, Center for Neuroscience and Cell Biology, Coimbra, Portugal
| | - Ana Fortuna
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | - Joana Bicker
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal.
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Li Q, Liao Q, Qi S, Huang H, He S, Lyu W, Liang J, Qin H, Cheng Z, Yu F, Dong X, Wang Z, Han L, Han Y. Opportunities and perspectives of small molecular phosphodiesterase inhibitors in neurodegenerative diseases. Eur J Med Chem 2024; 271:116386. [PMID: 38614063 DOI: 10.1016/j.ejmech.2024.116386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/19/2024] [Accepted: 04/01/2024] [Indexed: 04/15/2024]
Abstract
Phosphodiesterase (PDE) is a superfamily of enzymes that are responsible for the hydrolysis of two second messengers: cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). PDE inhibition promotes the gene transcription by activating cAMP-response element binding protein (CREB), initiating gene transcription of brain-derived neurotrophic factor (BDNF). The procedure exerts neuroprotective profile, and motor and cognitive improving efficacy. From this point of view, PDE inhibition will provide a promising therapeutic strategy for treating neurodegenerative disorders. Herein, we summarized the PDE inhibitors that have entered the clinical trials or been discovered in recent five years. Well-designed clinical or preclinical investigations have confirmed the effectiveness of PDE inhibitors, such as decreasing Aβ oligomerization and tau phosphorylation, alleviating neuro-inflammation and oxidative stress, modulating neuronal plasticity and improving long-term cognitive impairment.
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Affiliation(s)
- Qi Li
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China.
| | - Qinghong Liao
- Shandong Kangqiao Biotechnology Co., Ltd, Qingdao, 266033, Shandong, PR China
| | - Shulei Qi
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - He Huang
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Siyu He
- Guizhou Province Engineering Technology Research Center for Chemical Drug R&D, Guizhou Medical University, Guiyang, 550004, Guizhou, PR China
| | - Weiping Lyu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, PR China
| | - Jinxin Liang
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Huan Qin
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Zimeng Cheng
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Fan Yu
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Xue Dong
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China
| | - Ziming Wang
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China; School of Pharmacy, Binzhou Medical University, Yantai, 256699, Shandong, PR China
| | - Lingfei Han
- School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, Jiangsu, PR China
| | - Yantao Han
- Department of Medical Pharmacy, School of Basic Medicine, Qingdao University, Qingdao, 266071, Shandong, PR China.
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Singh R, Rathore AS, Dilnashin H, Keshri PK, Gupta NK, Prakash SAS, Zahra W, Singh S, Singh SP. HAT and HDAC: Enzyme with Contradictory Action in Neurodegenerative Diseases. Mol Neurobiol 2024:10.1007/s12035-024-04115-6. [PMID: 38587698 DOI: 10.1007/s12035-024-04115-6] [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: 06/29/2023] [Accepted: 03/08/2024] [Indexed: 04/09/2024]
Abstract
In view of the increasing risk of neurodegenerative diseases, epigenetics plays a fundamental role in the field of neuroscience. Several modifications have been studied including DNA methylation, histone acetylation, histone phosphorylation, etc. Histone acetylation and deacetylation regulate gene expression, and the regular activity of histone acetyltransferases (HATs) and histone deacetylases (HDACs) provides regulatory stages for gene expression and cell cycle. Imbalanced homeostasis in these enzymes causes a detrimental effect on neurophysiological function. Intriguingly, epigenetic remodelling via histone acetylation in certain brain areas has been found to play a key role in the neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and Huntington's disease. It has been demonstrated that a number of HATs have a role in crucial brain processes such regulating neuronal plasticity and memory formation. The most recent therapeutic methods involve the use of small molecules known as histone deacetylase (HDAC) inhibitors that antagonize HDAC activity thereby increase acetylation levels in order to prevent the loss of HAT function in neurodegenerative disorders. The target specificity of the HDAC inhibitors now in use raises concerns about their applicability, despite the fact that this strategy has demonstrated promising therapeutic outcomes. The aim of this review is to summarize the cross-linking between histone modification and its regulation in the pathogenesis of neurological disorders. Furthermore, these findings also support the notion of new pharmacotherapies that target particular areas of the brain using histone deacetylase inhibitors.
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Affiliation(s)
- Richa Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Aaina Singh Rathore
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Hagera Dilnashin
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Priyanka Kumari Keshri
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Nitesh Kumar Gupta
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Singh Ankit Satya Prakash
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Walia Zahra
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Shekhar Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India
| | - Surya Pratap Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005 (U.P.), India.
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7
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Basavarajappa BS, Subbanna S. Unlocking the epigenetic symphony: histone acetylation's impact on neurobehavioral change in neurodegenerative disorders. Epigenomics 2024; 16:331-358. [PMID: 38321930 PMCID: PMC10910622 DOI: 10.2217/epi-2023-0428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 01/23/2024] [Indexed: 02/08/2024] Open
Abstract
Recent genomics and epigenetic advances have empowered the exploration of DNA/RNA methylation and histone modifications crucial for gene expression in response to stress, aging and disease. Interest in understanding neuronal plasticity's epigenetic mechanisms, influencing brain rewiring amid development, aging and neurodegenerative disorders, continues to grow. Histone acetylation dysregulation, a commonality in diverse brain disorders, has become a therapeutic focus. Histone acetyltransferases and histone deacetylases have emerged as promising targets for neurodegenerative disorder treatment. This review delves into histone acetylation regulation, potential therapies and future perspectives for disorders like Alzheimer's, Parkinson's and Huntington's. Exploring genetic-environmental interplay through models and studies reveals molecular changes, behavioral insights and early intervention possibilities targeting the epigenome in at-risk individuals.
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Affiliation(s)
- Balapal S Basavarajappa
- Center for Dementia Research, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA
- Molecular Imaging & Neuropathology Area, New York State Psychiatric Institute, NY 10032, USA
- Department of Psychiatry, Columbia University Irving Medical Center, NY 10032, USA
- Department of Psychiatry, New York University Langone Medical Center, NY 10016, USA
| | - Shivakumar Subbanna
- Center for Dementia Research, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA
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8
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Paniri A, Hosseini MM, Akhavan-Niaki H. Alzheimer's Disease-Related Epigenetic Changes: Novel Therapeutic Targets. Mol Neurobiol 2024; 61:1282-1317. [PMID: 37700216 DOI: 10.1007/s12035-023-03626-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 08/30/2023] [Indexed: 09/14/2023]
Abstract
Aging is a significant risk factor for Alzheimer's disease (AD), although the precise mechanism and molecular basis of AD are not yet fully understood. Epigenetic mechanisms, such as DNA methylation and hydroxymethylation, mitochondrial DNA methylation, histone modifications, and non-coding RNAs (ncRNAs), play a role in regulating gene expression related to neuron plasticity and integrity, which are closely associated with learning and memory development. This review describes the impact of dynamic and reversible epigenetic modifications and factors on memory and plasticity throughout life, emphasizing their potential as target for therapeutic intervention in AD. Additionally, we present insight from postmortem and animal studies on abnormal epigenetics regulation in AD, as well as current strategies aiming at targeting these factors in the context of AD therapy.
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Affiliation(s)
- Alireza Paniri
- Genetics Department, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
- Zoonoses Research Center, Pasteur Institute of Iran, Amol, Iran
| | | | - Haleh Akhavan-Niaki
- Genetics Department, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran.
- Zoonoses Research Center, Pasteur Institute of Iran, Amol, Iran.
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9
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Adiga D, Eswaran S, Sriharikrishnaa S, Khan NG, Prasada Kabekkodu S, Kumar D. Epigenetics of Alzheimer’s Disease: Past, Present and Future. ENZYMATIC TARGETS FOR DRUG DISCOVERY AGAINST ALZHEIMER'S DISEASE 2023:27-72. [DOI: 10.2174/9789815136142123010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Alzheimer’s disease (AD) exemplifies a looming epidemic lacking effective
treatment and manifests with the accumulation of neurofibrillary tangles, amyloid-β
plaques, neuroinflammation, behavioral changes, and acute cognitive impairments. It is
a complex, multifactorial disorder that arises from the intricate interaction between
environment and genetic factors, restrained via epigenetic machinery. Though the
research progress has improved the understanding of clinical manifestations and
disease advancement, the causal mechanism of detrimental consequences remains
undefined. Despite the substantial improvement in recent diagnostic modalities, it is
challenging to distinguish AD from other forms of dementia. Accurate diagnosis is a
major glitch in AD as it banks on the symptoms and clinical criteria. Several studies are
underway in exploring novel and reliable biomarkers for AD. In this direction,
epigenetic alterations have transpired as key modulators in AD pathogenesis with the
impeding inferences for the management of this neurological disorder. The present
chapter aims to discuss the significance of epigenetic modifications reported in the
pathophysiology of AD such as DNA methylation, hydroxy-methylation, methylation
of mtDNA, histone modifications, and noncoding RNAs. Additionally, the chapter also
describes the possible therapeutic avenues that target epigenetic modifications in AD.
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Affiliation(s)
- Divya Adiga
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy
of Higher Education (MAHE), Manipal – 576104, Karnataka, India
| | - Sangavi Eswaran
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy
of Higher Education (MAHE), Manipal – 576104, Karnataka, India
| | - S. Sriharikrishnaa
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy
of Higher Education (MAHE), Manipal – 576104, Karnataka, India
| | - Nadeem G. Khan
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy
of Higher Education (MAHE), Manipal – 576104, Karnataka, India
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy
of Higher Education (MAHE), Manipal – 576104, Karnataka, India
| | - Dileep Kumar
- Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth
(Deemed to be University), Erandwane, Pune – 411038, Maharashtra, India
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Aleksandrova Y, Neganova M. Deciphering the Mysterious Relationship between the Cross-Pathogenetic Mechanisms of Neurodegenerative and Oncological Diseases. Int J Mol Sci 2023; 24:14766. [PMID: 37834214 PMCID: PMC10573395 DOI: 10.3390/ijms241914766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
The relationship between oncological pathologies and neurodegenerative disorders is extremely complex and is a topic of concern among a growing number of researchers around the world. In recent years, convincing scientific evidence has accumulated that indicates the contribution of a number of etiological factors and pathophysiological processes to the pathogenesis of these two fundamentally different diseases, thus demonstrating an intriguing relationship between oncology and neurodegeneration. In this review, we establish the general links between three intersecting aspects of oncological pathologies and neurodegenerative disorders, i.e., oxidative stress, epigenetic dysregulation, and metabolic dysfunction, examining each process in detail to establish an unusual epidemiological relationship. We also focus on reviewing the current trends in the research and the clinical application of the most promising chemical structures and therapeutic platforms that have a modulating effect on the above processes. Thus, our comprehensive analysis of the set of molecular determinants that have obvious cross-functional pathways in the pathogenesis of oncological and neurodegenerative diseases can help in the creation of advanced diagnostic tools and in the development of innovative pharmacological strategies.
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Affiliation(s)
- Yulia Aleksandrova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Russia;
| | - Margarita Neganova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Russia;
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russia
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11
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Jiang D, Li T, Guo C, Tang TS, Liu H. Small molecule modulators of chromatin remodeling: from neurodevelopment to neurodegeneration. Cell Biosci 2023; 13:10. [PMID: 36647159 PMCID: PMC9841685 DOI: 10.1186/s13578-023-00953-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/03/2023] [Indexed: 01/18/2023] Open
Abstract
The dynamic changes in chromatin conformation alter the organization and structure of the genome and further regulate gene transcription. Basically, the chromatin structure is controlled by reversible, enzyme-catalyzed covalent modifications to chromatin components and by noncovalent ATP-dependent modifications via chromatin remodeling complexes, including switch/sucrose nonfermentable (SWI/SNF), inositol-requiring 80 (INO80), imitation switch (ISWI) and chromodomain-helicase DNA-binding protein (CHD) complexes. Recent studies have shown that chromatin remodeling is essential in different stages of postnatal and adult neurogenesis. Chromatin deregulation, which leads to defects in epigenetic gene regulation and further pathological gene expression programs, often causes a wide range of pathologies. This review first gives an overview of the regulatory mechanisms of chromatin remodeling. We then focus mainly on discussing the physiological functions of chromatin remodeling, particularly histone and DNA modifications and the four classes of ATP-dependent chromatin-remodeling enzymes, in the central and peripheral nervous systems under healthy and pathological conditions, that is, in neurodegenerative disorders. Finally, we provide an update on the development of potent and selective small molecule modulators targeting various chromatin-modifying proteins commonly associated with neurodegenerative diseases and their potential clinical applications.
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Affiliation(s)
- Dongfang Jiang
- grid.458458.00000 0004 1792 6416State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101 China ,grid.410726.60000 0004 1797 8419Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, 100101 China
| | - Tingting Li
- grid.458458.00000 0004 1792 6416State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101 China ,grid.410726.60000 0004 1797 8419Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, 100101 China
| | - Caixia Guo
- grid.9227.e0000000119573309Beijing Institute of Genomics, Chinese Academy of Sciences/China National Center for Bioinformation, Beijing, 100101 China ,grid.410726.60000 0004 1797 8419Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, 100101 China
| | - Tie-Shan Tang
- grid.458458.00000 0004 1792 6416State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101 China ,grid.512959.3Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101 China ,grid.410726.60000 0004 1797 8419Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, 100101 China
| | - Hongmei Liu
- grid.458458.00000 0004 1792 6416State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101 China ,grid.512959.3Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101 China
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12
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Liu RY, Zhang Y, Smolen P, Cleary LJ, Byrne JH. Defective synaptic plasticity in a model of Coffin-Lowry syndrome is rescued by simultaneously targeting PKA and MAPK pathways. Learn Mem 2022; 29:435-446. [PMID: 36446603 PMCID: PMC9749851 DOI: 10.1101/lm.053625.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/24/2022] [Indexed: 12/02/2022]
Abstract
Empirical and computational methods were combined to examine whether individual or dual-drug treatments can restore the deficit in long-term synaptic facilitation (LTF) of the Aplysia sensorimotor synapse observed in a cellular model of Coffin-Lowry syndrome (CLS). The model was produced by pharmacological inhibition of p90 ribosomal S6 kinase (RSK) activity. In this model, coapplication of an activator of the mitogen-activated protein kinase (MAPK) isoform ERK and an activator of protein kinase A (PKA) resulted in enhanced phosphorylation of RSK and enhanced LTF to a greater extent than either drug alone and also greater than their additive effects, which is termed synergism. The extent of synergism appeared to depend on another MAPK isoform, p38 MAPK. Inhibition of p38 MAPK facilitated serotonin (5-HT)-induced RSK phosphorylation, indicating that p38 MAPK inhibits activation of RSK. Inhibition of p38 MAPK combined with activation of PKA synergistically activated both ERK and RSK. Our results suggest that cellular models of disorders that affect synaptic plasticity and learning, such as CLS, may constitute a useful strategy to identify candidate drug combinations, and that combining computational models with empirical tests of model predictions can help explain synergism of drug combinations.
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Affiliation(s)
- Rong-Yu Liu
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - Yili Zhang
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - Paul Smolen
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - Leonard J Cleary
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - John H Byrne
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School at the University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
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13
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Sheng J, Zhang S, Wu L, Kumar G, Liao Y, GK P, Fan H. Inhibition of phosphodiesterase: A novel therapeutic target for the treatment of mild cognitive impairment and Alzheimer's disease. Front Aging Neurosci 2022; 14:1019187. [PMID: 36268188 PMCID: PMC9577554 DOI: 10.3389/fnagi.2022.1019187] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia and is ranked as the 6th leading cause of death in the US. The prevalence of AD and dementia is steadily increasing and expected cases in USA is 14.8 million by 2050. Neuroinflammation and gradual neurodegeneration occurs in Alzheimer's disease. However, existing medications has limitation to completely abolish, delay, or prevent disease progression. Phosphodiesterases (PDEs) are large family of enzymes to hydrolyze the 3'-phosphodiester links in cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP) in signal-transduction pathways for generation of 5'-cyclic nucleotides. It plays vital role to orchestrate several pharmacological activities for proper cell functioning and regulating the levels of cAMP and cGMP. Several evidence has suggested that abnormal cAMP signaling is linked to cognitive problems in neurodegenerative disorders like AD. Therefore, the PDE family has become a widely accepted and multipotential therapeutic target for neurodegenerative diseases. Notably, modulation of cAMP/cGMP by phytonutrients has a huge potential for the management of AD. Natural compounds have been known to inhibit phosphodiesterase by targeting key enzymes of cGMP synthesis pathway, however, the mechanism of action and their therapeutic efficacy has not been explored extensively. Currently, few PDE inhibitors such as Vinpocetine and Nicergoline have been used for treatment of central nervous system (CNS) disorders. Considering the role of flavonoids to inhibit PDE, this review discussed the therapeutic potential of natural compounds with PDE inhibitory activity for the treatment of AD and related dementia.
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Affiliation(s)
- Jianwen Sheng
- Department of Gastroenterology, The People’s Hospital of Yichun City, Yichun, China
| | - Shanjin Zhang
- Department of Gastroenterology, The People’s Hospital of Yichun City, Yichun, China
| | - Lule Wu
- Department of Gastroenterology, The People’s Hospital of Yichun City, Yichun, China
| | - Gajendra Kumar
- Department of Neuroscience, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Yuanhang Liao
- Department of Gastroenterology, The People’s Hospital of Yichun City, Yichun, China
| | - Pratap GK
- Department of Biochemistry, Davangere University, Davangere, India
| | - Huizhen Fan
- Department of Gastroenterology, The People’s Hospital of Yichun City, Yichun, China
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14
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Xi M, Sun T, Chai S, Xie M, Chen S, Deng L, Du K, Shen R, Sun H. Therapeutic potential of phosphodiesterase inhibitors for cognitive amelioration in Alzheimer's disease. Eur J Med Chem 2022; 232:114170. [DOI: 10.1016/j.ejmech.2022.114170] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/27/2022] [Accepted: 01/30/2022] [Indexed: 02/07/2023]
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15
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Irwin AB, Bahabry R, Lubin FD. A putative role for lncRNAs in epigenetic regulation of memory. Neurochem Int 2021; 150:105184. [PMID: 34530054 PMCID: PMC8552959 DOI: 10.1016/j.neuint.2021.105184] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 08/29/2021] [Accepted: 08/31/2021] [Indexed: 12/12/2022]
Abstract
The central dogma of molecular genetics is defined as encoded genetic information within DNA, transcribed into messenger RNA, which contain the instructions for protein synthesis, thus imparting cellular functionality and ultimately life. This molecular genetic theory has given birth to the field of neuroepigenetics, and it is now well established that epigenetic regulation of gene transcription is critical to the learning and memory process. In this review, we address a potential role for a relatively new player in the field of epigenetic crosstalk - long non-coding RNAs (lncRNAs). First, we briefly summarize epigenetic mechanisms in memory formation and examine what little is known about the emerging role of lncRNAs during this process. We then focus discussions on how lncRNAs interact with epigenetic mechanisms to control transcriptional programs under various conditions in the brain, and how this may be applied to regulation of gene expression necessary for memory formation. Next, we explore how epigenetic crosstalk in turn serves to regulate expression of various individual lncRNAs themselves. To highlight the importance of further exploring the role of lncRNA in epigenetic regulation of gene expression, we consider the significant relationship between lncRNA dysregulation and declining memory reserve with aging, Alzheimer's disease, and epilepsy, as well as the promise of novel therapeutic interventions. Finally, we conclude with a discussion of the critical questions that remain to be answered regarding a role for lncRNA in memory.
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Affiliation(s)
- Ashleigh B Irwin
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Rudhab Bahabry
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Farah D Lubin
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama, USA.
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16
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Abstract
Neuroepigenetics, a new branch of epigenetics, plays an important role in the regulation of gene expression. Neuroepigenetics is associated with holistic neuronal function and helps in formation and maintenance of memory and learning processes. This includes neurodevelopment and neurodegenerative defects in which histone modification enzymes appear to play a crucial role. These modifications, carried out by acetyltransferases and deacetylases, regulate biologic and cellular processes such as apoptosis and autophagy, inflammatory response, mitochondrial dysfunction, cell-cycle progression and oxidative stress. Alterations in acetylation status of histone as well as non-histone substrates lead to transcriptional deregulation. Histone deacetylase decreases acetylation status and causes transcriptional repression of regulatory genes involved in neural plasticity, synaptogenesis, synaptic and neural plasticity, cognition and memory, and neural differentiation. Transcriptional deactivation in the brain results in development of neurodevelopmental and neurodegenerative disorders. Mounting evidence implicates histone deacetylase inhibitors as potential therapeutic targets to combat neurologic disorders. Recent studies have targeted naturally-occurring biomolecules and micro-RNAs to improve cognitive defects and memory. Multi-target drug ligands targeting HDAC have been developed and used in cell-culture and animal-models of neurologic disorders to ameliorate synaptic and cognitive dysfunction. Herein, we focus on the implications of histone deacetylase enzymes in neuropathology, their regulation of brain function and plausible involvement in the pathogenesis of neurologic defects.
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17
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Janowski M, Milewska M, Zare P, Pękowska A. Chromatin Alterations in Neurological Disorders and Strategies of (Epi)Genome Rescue. Pharmaceuticals (Basel) 2021; 14:765. [PMID: 34451862 PMCID: PMC8399958 DOI: 10.3390/ph14080765] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/23/2021] [Accepted: 07/24/2021] [Indexed: 12/26/2022] Open
Abstract
Neurological disorders (NDs) comprise a heterogeneous group of conditions that affect the function of the nervous system. Often incurable, NDs have profound and detrimental consequences on the affected individuals' lives. NDs have complex etiologies but commonly feature altered gene expression and dysfunctions of the essential chromatin-modifying factors. Hence, compounds that target DNA and histone modification pathways, the so-called epidrugs, constitute promising tools to treat NDs. Yet, targeting the entire epigenome might reveal insufficient to modify a chosen gene expression or even unnecessary and detrimental to the patients' health. New technologies hold a promise to expand the clinical toolkit in the fight against NDs. (Epi)genome engineering using designer nucleases, including CRISPR-Cas9 and TALENs, can potentially help restore the correct gene expression patterns by targeting a defined gene or pathway, both genetically and epigenetically, with minimal off-target activity. Here, we review the implication of epigenetic machinery in NDs. We outline syndromes caused by mutations in chromatin-modifying enzymes and discuss the functional consequences of mutations in regulatory DNA in NDs. We review the approaches that allow modifying the (epi)genome, including tools based on TALENs and CRISPR-Cas9 technologies, and we highlight how these new strategies could potentially change clinical practices in the treatment of NDs.
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Affiliation(s)
| | | | | | - Aleksandra Pękowska
- Dioscuri Centre for Chromatin Biology and Epigenomics, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteur Street, 02-093 Warsaw, Poland; (M.J.); (M.M.); (P.Z.)
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18
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Svob Strac D, Konjevod M, Sagud M, Nikolac Perkovic M, Nedic Erjavec G, Vuic B, Simic G, Vukic V, Mimica N, Pivac N. Personalizing the Care and Treatment of Alzheimer's Disease: An Overview. Pharmgenomics Pers Med 2021; 14:631-653. [PMID: 34093032 PMCID: PMC8169052 DOI: 10.2147/pgpm.s284615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 05/05/2021] [Indexed: 11/23/2022] Open
Abstract
Alzheimer's disease (AD) is a progressive, complex, and multifactorial neurodegenerative disorder, still without effective and stable therapeutic strategies. Currently, available medications for AD are based on symptomatic therapy, which include acetylcholinesterase (AChE) inhibitors and N-methyl-D-aspartate (NMDA) receptor antagonist. Additionally, medications such as antipsychotic drugs, antidepressants, sedative, and hypnotic agents, and mood stabilizers are used for the management of behavioral and psychological symptoms of dementia (BPSD). Clinical research has been extensively investigated treatments focusing on the hallmark pathology of AD, including the amyloid deposition, tau hyperphosphorylation, neuroinflammation, and vascular changes; however, so far without success, as all new potential drugs failed to show significant clinical benefit. The underlying heterogeneous etiology and diverse symptoms of AD suggest that a precision medicine strategy is required, which would take into account the complex genetic, epigenetic, and environmental landscape of each AD patient. The article provides a comprehensive overview of the literature on AD, the current and potential therapy of both cognitive symptoms as well as BPSD, with a special focus on gut microbiota and epigenetic modifications as new emerging drug targets. Their specific patterns could represent the basis for novel individually tailored approaches aimed to optimize precision medicine strategies for AD prevention and treatment. However, the successful application of precision medicine to AD demands a further extensive research of underlying pathological processes, as well as clinical and biological complexity of this multifactorial neurodegenerative disorder.
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Affiliation(s)
- Dubravka Svob Strac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Marcela Konjevod
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Marina Sagud
- Department of Psychiatry, Clinical Hospital Centre Zagreb, Zagreb, Croatia
- University of Zagreb Medical School, Zagreb, Croatia
| | - Matea Nikolac Perkovic
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Gordana Nedic Erjavec
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Barbara Vuic
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Goran Simic
- Department of Neuroscience, Croatian Institute for Brain Research, Zagreb, Croatia
| | - Vana Vukic
- Department of Neuroscience, Croatian Institute for Brain Research, Zagreb, Croatia
| | | | - Nela Pivac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
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19
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Coppedè F. Epigenetic regulation in Alzheimer's disease: is it a potential therapeutic target? Expert Opin Ther Targets 2021; 25:283-298. [PMID: 33843425 DOI: 10.1080/14728222.2021.1916469] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Introduction: Alzheimer's disease (AD) is the most common neurodegenerative disorder and the primary form of dementia in the elderly. Changes in DNA methylation and post-translational modifications of histone tails are increasingly observed in AD tissues, and likely contribute to disease onset and progression. The reversibility of these epigenetic marks offers the potential for therapeutic interventions.Areas covered: After a concise and updated overview of DNA methylation and post-translational modifications of histone tails in AD tissues, this review provides an overview of the animal and cell culture studies investigating the potential of targeting these modifications to attenuate AD-like features. PubMed was searched for relevant literature between 2003 and 2021.Expert opinion: Methyl donor compounds and drugs acting on histone tail modifications attenuated the AD-like features and improved cognition in several transgenic AD mice; however, there are concerns about safety and tolerability for long-term treatment in humans. The challenges will be to take advantage of recent epigenome-wide investigations to identify the principal targets for future interventions, and to design novel, selective and safer agents. Natural compounds exerting epigenetic properties could represent a promising opportunity to delay disease onset in middle-aged individuals at increased AD risk.
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Affiliation(s)
- Fabio Coppedè
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy.,Interdepartmental Research Center Nutrafood "Nutraceuticals and Food for Health", University of Pisa, Pisa, Italy
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20
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Ancidoni A, Bacigalupo I, Remoli G, Lacorte E, Piscopo P, Sarti G, Corbo M, Vanacore N, Canevelli M. Anticancer drugs repurposed for Alzheimer's disease: a systematic review. ALZHEIMERS RESEARCH & THERAPY 2021; 13:96. [PMID: 33952306 PMCID: PMC8101105 DOI: 10.1186/s13195-021-00831-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/19/2021] [Indexed: 12/28/2022]
Abstract
Background The relationship between cancer and dementia is triggering growing research interest. Several preclinical studies have provided the biological rationale for the repurposing of specific anticancer agents in Alzheimer’s disease (AD), and a growing number of research protocols are testing their efficacy and safety/tolerability in patients with AD. Methods The aim of the present systematic review was to provide an overview on the repurposing of approved anticancer drugs in clinical trials for AD by considering both ongoing and completed research protocols in all phases. In parallel, a systematic literature review was conducted on PubMed, ISI Web, and the Cochrane Library to identify published clinical studies on repurposed anticancer agents in AD. Results Based on a structured search on the ClinicalTrials.gov and the EudraCT databases, we identified 13 clinical trials testing 11 different approved anticancer agents (five tyrosine kinase inhibitors, two retinoid X receptor agonists, two immunomodulatory agents, one histone deacetylase inhibitor, and one monoclonal antibody) in the AD continuum. The systematic literature search led to the identification of five published studies (one phase I, three phase II, and one phase IIb/III) reporting the effects of antitumoral treatments in patients with mild cognitive impairment or AD dementia. The clinical findings and the methodological characteristics of these studies are described and discussed. Conclusion Anticancer agents are triggering growing interest in the context of repurposed therapies in AD. Several clinical trials are underway, and data are expected to be available in the near future. To date, data emerging from published clinical studies are controversial. The promising results emerging from preclinical studies and identified research protocols should be confirmed and extended by larger, adequately designed, and high-quality clinical trials.
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Affiliation(s)
- Antonio Ancidoni
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Via Giano della Bella 34, 00162, Rome, Italy.
| | - Ilaria Bacigalupo
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Via Giano della Bella 34, 00162, Rome, Italy
| | - Giulia Remoli
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Via Giano della Bella 34, 00162, Rome, Italy
| | - Eleonora Lacorte
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Via Giano della Bella 34, 00162, Rome, Italy
| | - Paola Piscopo
- Department of Neuroscience, Italian National Institute of Health, Viale Regina Elena, 299, 00161, Rome, Italy
| | - Giulia Sarti
- Department of Human Neuroscience, Sapienza University, Rome, Italy
| | - Massimo Corbo
- Department of Neurorehabilitation Sciences, Casa Cura Policlinico, Via Dezza 48, 20144, Milan, Italy
| | - Nicola Vanacore
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Via Giano della Bella 34, 00162, Rome, Italy
| | - Marco Canevelli
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Via Giano della Bella 34, 00162, Rome, Italy.,Department of Human Neuroscience, Sapienza University, Rome, Italy
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21
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Athira KV, Sadanandan P, Chakravarty S. Repurposing Vorinostat for the Treatment of Disorders Affecting Brain. Neuromolecular Med 2021; 23:449-465. [PMID: 33948878 DOI: 10.1007/s12017-021-08660-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 04/09/2021] [Indexed: 12/19/2022]
Abstract
Based on the findings in recent years, we summarize the therapeutic potential of vorinostat (VOR), the first approved histone deacetylase (HDAC) inhibitor, in disorders of brain, and strategies to improve drug efficacy and reduce side effects. Scientific evidences provide a strong case for the therapeutic utility of VOR in various disorders affecting brain, including stroke, Alzheimer's disease, frontotemporal dementia, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, spinal muscular atrophy, X-linked adrenoleukodystrophy, epilepsy, Niemann-Pick type C disease, and neuropsychiatric disorders. Further elucidation of the neuroprotective and neurorestorative properties of VOR using proper clinical study designs could provide momentum towards its clinical application. To improve the therapeutic prospect, concerns on systemic toxicity and off-target actions need to be addressed along with the improvement in formulation and delivery aspects, especially with respect to solubility, permeability, and pharmacokinetic properties. Newer approaches in this regard include poly(ethylene glycol)-b-poly(DL-lactic acid) micelles, VOR-pluronic F127 micelles, encapsulation of iron complexes of VOR into PEGylated liposomes, human serum albumin bound VOR nanomedicine, magnetically guided layer-by-layer assembled nanocarriers, as well as convection-enhanced delivery. Even though targeting specific class or isoform of HDAC is projected as advantageous over pan-HDAC inhibitor like VOR, in terms of adverse effects and efficacy, till clinical validation, the idea is debated. As the VOR treatment-related adverse changes are mostly found reversible, further optimization of the therapeutic strategies with respect to dose, dosage regimen, and formulations of VOR could propel its clinical prospects.
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Affiliation(s)
- K V Athira
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Amrita Institute of Medical Sciences Health Sciences Campus, Kochi, 682 041, Kerala, India.
| | - Prashant Sadanandan
- Department of Pharmaceutical Chemistry & Analysis, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Amrita Institute of Medical Sciences Health Sciences Campus, Kochi, 682 041, Kerala, India
| | - Sumana Chakravarty
- Applied Biology Division, CSIR- Indian Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad, 500007, Telangana, India.
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22
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Chan AM, Fletcher S. Shifting the paradigm in treating multi-factorial diseases: polypharmacological co-inhibitors of HDAC6. RSC Med Chem 2021; 12:178-196. [PMID: 34046608 PMCID: PMC8127619 DOI: 10.1039/d0md00286k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 10/28/2020] [Indexed: 01/20/2023] Open
Abstract
Multi-factorial diseases are illnesses that exploit multiple cellular processes, or stages within one process, and thus highly targeted therapies often succumb to the disease, losing efficacy as resistance sets in. Combination therapies have become a mainstay to battle these diseases, however these regimens are plagued with caveats. An emerging avenue to treat multi-factorial diseases is polypharmacology, wherein a single drug is rationally designed to bind multiple targets, and is widely touted to be superior to combination therapy by inherently addressing the latter's shortcomings, which include poor patient compliance, narrow therapeutic windows and spiraling healthcare costs. Through its roles in intracellular trafficking, cell motility, mitosis, protein folding and as a back-up to the proteasome pathway, HDAC6 has rapidly become an exciting new target for therapeutics, particularly in the discovery of new drugs to treat Alzheimer's disease and cancer. Herein, we describe recent efforts to marry together HDAC pharmacophores, with a particular emphasis on HDAC6 selectivity, with those of other targets towards the discovery of potent therapeutics to treat these evasive diseases. Such polypharmacological agents may supercede combination therapies through inherent synergism, permitting reduced dosing, wider therapeutic windows and improved compliance.
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Affiliation(s)
- Alexandria M Chan
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy 20 N Pine St Baltimore MD 21201 USA
| | - Steven Fletcher
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy 20 N Pine St Baltimore MD 21201 USA
- University of Maryland Greenebaum Cancer Center 22 S Greene St Baltimore MD 21201 USA
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23
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Dual Pharmacological Targeting of HDACs and PDE5 Inhibits Liver Disease Progression in a Mouse Model of Biliary Inflammation and Fibrosis. Cancers (Basel) 2020; 12:cancers12123748. [PMID: 33322158 PMCID: PMC7763137 DOI: 10.3390/cancers12123748] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 12/10/2020] [Indexed: 01/18/2023] Open
Abstract
Simple Summary Chronic liver injury and inflammation leads to excessive deposition of extracellular matrix, known as liver fibrosis, and the distortion of the hepatic parenchyma. Liver fibrosis may progress to cirrhosis, a condition in which hepatic function is impaired and most cases of liver tumors occur. Currently, there are no effective therapies to inhibit and reverse the progression of liver fibrosis, and therefore, chronic liver disease remains a global health problem. In this study we have tested the efficacy of a new class of molecules that simultaneously target two molecular pathways known to be involved in the pathogenesis of hepatic fibrosis. In a clinically relevant mouse model of liver injury and inflammation we show that the combined inhibition of histones deacetylases and the cyclic guanosine monophosphate (cGMP) phosphodiesterase phosphodiesterase 5 (PDE5) results in potent anti-inflammatory and anti-fibrotic effects. Our findings open new avenues for the treatment of liver fibrosis and therefore, the prevention of hepatic carcinogenesis. Abstract Liver fibrosis, a common hallmark of chronic liver disease (CLD), is characterized by the accumulation of extracellular matrix secreted by activated hepatic fibroblasts and stellate cells (HSC). Fibrogenesis involves multiple cellular and molecular processes and is intimately linked to chronic hepatic inflammation. Importantly, it has been shown to promote the loss of liver function and liver carcinogenesis. No effective therapies for liver fibrosis are currently available. We examined the anti-fibrogenic potential of a new drug (CM414) that simultaneously inhibits histone deacetylases (HDACs), more precisely HDAC1, 2, and 3 (Class I) and HDAC6 (Class II) and stimulates the cyclic guanosine monophosphate (cGMP)-protein kinase G (PKG) pathway activity through phosphodiesterase 5 (PDE5) inhibition, two mechanisms independently involved in liver fibrosis. To this end, we treated Mdr2-KO mice, a clinically relevant model of liver inflammation and fibrosis, with our dual HDAC/PDE5 inhibitor CM414. We observed a decrease in the expression of fibrogenic markers and collagen deposition, together with a marked reduction in inflammation. No signs of hepatic or systemic toxicity were recorded. Mechanistic studies in cultured human HSC and cholangiocytes (LX2 and H69 cell lines, respectively) demonstrated that CM414 inhibited pro-fibrogenic and inflammatory responses, including those triggered by transforming growth factor β (TGFβ). Our study supports the notion that simultaneous targeting of pro-inflammatory and fibrogenic mechanisms controlled by HDACs and PDE5 with a single molecule, such as CM414, can be a new disease-modifying strategy.
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24
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Smolen P, Wood MA, Baxter DA, Byrne JH. Modeling suggests combined-drug treatments for disorders impairing synaptic plasticity via shared signaling pathways. J Comput Neurosci 2020; 49:37-56. [PMID: 33175283 DOI: 10.1007/s10827-020-00771-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 08/27/2020] [Accepted: 10/19/2020] [Indexed: 12/15/2022]
Abstract
Genetic disorders such as Rubinstein-Taybi syndrome (RTS) and Coffin-Lowry syndrome (CLS) cause lifelong cognitive disability, including deficits in learning and memory. Can pharmacological therapies be suggested that improve learning and memory in these disorders? To address this question, we simulated drug effects within a computational model describing induction of late long-term potentiation (L-LTP). Biochemical pathways impaired in these and other disorders converge on a common target, histone acetylation by acetyltransferases such as CREB binding protein (CBP), which facilitates gene induction necessary for L-LTP. We focused on four drug classes: tropomyosin receptor kinase B (TrkB) agonists, cAMP phosphodiesterase inhibitors, histone deacetylase inhibitors, and ampakines. Simulations suggested each drug type alone may rescue deficits in L-LTP. A potential disadvantage, however, was the necessity of simulating strong drug effects (high doses), which could produce adverse side effects. Thus, we investigated the effects of six drug pairs among the four classes described above. These combination treatments normalized impaired L-LTP with substantially smaller individual drug 'doses'. In addition three of these combinations, a TrkB agonist paired with an ampakine and a cAMP phosphodiesterase inhibitor paired with a TrkB agonist or an ampakine, exhibited strong synergism in L-LTP rescue. Therefore, we suggest these drug combinations are promising candidates for further empirical studies in animal models of genetic disorders that impair histone acetylation, L-LTP, and learning.
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Affiliation(s)
- Paul Smolen
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School of the University of Texas Health Science Center at Houston, Houston, TX, 77030, USA.
| | - Marcelo A Wood
- Department of Neurobiology and Behavior, University of California Irvine, Irvine, CA, 92697, USA
| | - Douglas A Baxter
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School of the University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - John H Byrne
- Department of Neurobiology and Anatomy, W.M. Keck Center for the Neurobiology of Learning and Memory, McGovern Medical School of the University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
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Jankowska A, Wesołowska A, Pawłowski M, Chłoń-Rzepa G. Multifunctional Ligands Targeting Phosphodiesterase as the Future Strategy for the Symptomatic and Disease-Modifying Treatment of Alzheimer’s Disease. Curr Med Chem 2020; 27:5351-5373. [DOI: 10.2174/0929867326666190620095623] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 04/30/2019] [Accepted: 05/06/2019] [Indexed: 02/06/2023]
Abstract
Alzheimer’s Disease (AD) is a chronic neurodegenerative disorder characterized by cognitive
impairments such as memory loss, decline in language skills, and disorientation that affects
over 46 million people worldwide. Patients with AD also suffer from behavioral and psychological
symptoms of dementia that deteriorate their quality of life and lead to premature death. Currently
available drugs provide modest symptomatic relief but do not reduce pathological hallmarks (senile
plaques and neurofibrillary tangles) and neuroinflammation, both of which are integral parts of dementia.
A large body of evidence indicates that impaired signaling pathways of cyclic-3′,5′-
Adenosine Monophosphate (cAMP) and cyclic-3′,5′-guanosine Monophosphate (cGMP) may contribute
to the development and progression of AD. In addition, Phosphodiesterase (PDE) inhibitors,
commonly known as cAMP and/or cGMP modulators, were found to be involved in the phosphorylation
of tau; aggregation of amyloid beta; neuroinflammation; and regulation of cognition, mood,
and emotion processing. The purpose of this review was to update the most recent reports on the
development of novel multifunctional ligands targeting PDE as potential drugs for both symptomatic
and disease-modifying therapy of AD. This review collected the chemical structures of representative
multifunctional ligands, results of experimental in vitro and in vivo pharmacological studies,
and current opinions regarding the potential utility of these compounds for the comprehensive
therapy of AD. Finally, the multiparameter predictions of drugability of the representative compounds
were calculated and discussed.
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Affiliation(s)
- Agnieszka Jankowska
- Department of Medicinal Chemistry, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Krakow, Poland
| | - Anna Wesołowska
- Department of Clinical Pharmacy, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Krakow, Poland
| | - Maciej Pawłowski
- Department of Medicinal Chemistry, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Krakow, Poland
| | - Grażyna Chłoń-Rzepa
- Department of Medicinal Chemistry, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Krakow, Poland
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Vaidya GN, Rana P, Venkatesh A, Chatterjee DR, Contractor D, Satpute DP, Nagpure M, Jain A, Kumar D. Paradigm shift of "classical" HDAC inhibitors to "hybrid" HDAC inhibitors in therapeutic interventions. Eur J Med Chem 2020; 209:112844. [PMID: 33143937 DOI: 10.1016/j.ejmech.2020.112844] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/10/2020] [Accepted: 09/10/2020] [Indexed: 02/07/2023]
Abstract
'Epigenetic' regulation of genes via post-translational modulation of proteins is the current mainstay approach for the disease therapies, particularly explored in the Histone Deacetylase (HDAC) class of enzymes. Mainly sight saw in cancer chemotherapeutics, HDAC inhibitors have also found a promising role in other diseases (neurodegenerative disorders, cardiovascular diseases, and viral infections) and successfully entered in various combination therapies (pre-clinical/clinical stages). The prevalent flexibility in the structural design of HDAC inhibitors makes them easily tuneable to merge with other pharmacophore modules for generating multi-targeted single hybrids as a novel tactic to overcome drawbacks of polypharmacy. Herein, we reviewed the putative role of prevalent HDAC hybrids inhibitors in the current and prospective stage as a translational approach to overcome the limitations of the existing conventional drug candidates (parent molecule) when used either alone (drug resistance, solubility issues, adverse side effects, selectivity profile) or in combination (pharmacokinetic interactions, patient compliance) for treating various diseases.
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Affiliation(s)
- Gargi Nikhil Vaidya
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Pooja Rana
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Ashwini Venkatesh
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Deep Rohan Chatterjee
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Darshan Contractor
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Dinesh Parshuram Satpute
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Mithilesh Nagpure
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Alok Jain
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India; Department of Bio-Engineering, Birla Institute of Technology, Mesra, Ranchi, India.
| | - Dinesh Kumar
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) - Ahmedabad, Palaj, Gandhinagar, 382355, Gujarat, India.
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27
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Multitarget Therapeutic Strategies for Alzheimer's Disease: Review on Emerging Target Combinations. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5120230. [PMID: 32714977 PMCID: PMC7354643 DOI: 10.1155/2020/5120230] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/12/2020] [Accepted: 06/02/2020] [Indexed: 12/12/2022]
Abstract
Neurodegenerative diseases represent nowadays one of the major health problems. Despite the efforts made to unveil the mechanism leading to neurodegeneration, it is still not entirely clear what triggers this phenomenon and what allows its progression. Nevertheless, it is accepted that neurodegeneration is a consequence of several detrimental processes, such as protein aggregation, oxidative stress, and neuroinflammation, finally resulting in the loss of neuronal functions. Starting from these evidences, there has been a wide search for novel agents able to address more than a single event at the same time, the so-called multitarget-directed ligands (MTDLs). These compounds originated from the combination of different pharmacophoric elements which endowed them with the ability to interfere with different enzymatic and/or receptor systems, or to exert neuroprotective effects by modulating proteins and metal homeostasis. MTDLs have been the focus of the latest strategies to discover a new treatment for Alzheimer's disease (AD), which is considered the most common form of dementia characterized by neurodegeneration and cognitive dysfunctions. This review is aimed at collecting the latest and most interesting target combinations for the treatment of AD, with a detailed discussion on new agents with favorable in vitro properties and on optimized structures that have already been assessed in vivo in animal models of dementia.
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28
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Rodrigues DA, Pinheiro PDSM, Sagrillo FS, Bolognesi ML, Fraga CAM. Histone deacetylases as targets for the treatment of neurodegenerative disorders: Challenges and future opportunities. Med Res Rev 2020; 40:2177-2211. [DOI: 10.1002/med.21701] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 06/02/2020] [Accepted: 06/09/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Daniel A. Rodrigues
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Química, Instituto de Química Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
| | - Pedro de S. M. Pinheiro
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Department of Pharmacy and Biotechnology Alma Mater Studiorum‐University of Bologna Bologna Italy
| | - Fernanda S. Sagrillo
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
| | - Maria L. Bolognesi
- Department of Pharmacy and Biotechnology Alma Mater Studiorum‐University of Bologna Bologna Italy
| | - Carlos A. M. Fraga
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Química, Instituto de Química Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Department of Pharmacy and Biotechnology Alma Mater Studiorum‐University of Bologna Bologna Italy
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29
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Albertini C, Salerno A, Sena Murteira Pinheiro P, Bolognesi ML. From combinations to multitarget‐directed ligands: A continuum in Alzheimer's disease polypharmacology. Med Res Rev 2020; 41:2606-2633. [DOI: 10.1002/med.21699] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 06/01/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Claudia Albertini
- Department of Pharmacy and Biotechnology Alma Mater Studiorum–University of Bologna Bologna Italy
| | - Alessandra Salerno
- Department of Pharmacy and Biotechnology Alma Mater Studiorum–University of Bologna Bologna Italy
| | - Pedro Sena Murteira Pinheiro
- Department of Pharmacy and Biotechnology Alma Mater Studiorum–University of Bologna Bologna Italy
- Programa de Pós‐Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Rio de Janeiro Brazil
| | - Maria L. Bolognesi
- Department of Pharmacy and Biotechnology Alma Mater Studiorum–University of Bologna Bologna Italy
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30
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Coneys R, Wood IC. Alzheimer's disease: the potential of epigenetic treatments and current clinical candidates. Neurodegener Dis Manag 2020; 10:543-558. [PMID: 32552286 DOI: 10.2217/nmt-2019-0034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Alzheimer's disease is a progressive and fatal neurodegenerative disease affecting 50 million people worldwide, characterized by memory loss and neuronal degeneration. Current treatments have limited efficacy and there is no cure. Alzheimer's is likely caused by a combination of factors, providing several potential therapeutic targets. One area of interest is the epigenetic regulation of gene expression within the brain. Epigenetic marks, including DNA methylation and histone modifications, show consistent changes with age and in those with Alzheimer's. Some epigenetic regulation has been linked to disease pathology and progression and are the focus of current research. Epigenetic regulators might make promising therapeutic targets yet challenges need to be overcome to generate an efficacious drug lacking deleterious side effects.
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Affiliation(s)
- Rachel Coneys
- Leonard Wolfson Experimental Neurology Centre, Institute of Neurology, University College London, London WC1N 3BG, UK
| | - Ian C Wood
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
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31
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Xu A, He F, Zhang X, Li X, Ran Y, Wei C, James Chou C, Zhang R, Wu J. Tacrine-hydroxamate derivatives as multitarget-directed ligands for the treatment of Alzheimer’s disease: Design, synthesis, and biological evaluation. Bioorg Chem 2020; 98:103721. [DOI: 10.1016/j.bioorg.2020.103721] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 03/01/2020] [Accepted: 03/02/2020] [Indexed: 12/12/2022]
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32
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Sharma S, Sarathlal KC, Taliyan R. Epigenetics in Neurodegenerative Diseases: The Role of Histone Deacetylases. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2020; 18:11-18. [PMID: 30289079 DOI: 10.2174/1871527317666181004155136] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/07/2018] [Accepted: 05/08/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND & OBJECTIVE Imbalance in histone acetylation levels and consequently the dysfunction in transcription are associated with a wide variety of neurodegenerative diseases. Histone proteins acetylation and deacetylation is carried out by two opposite acting enzymes, histone acetyltransferases and histone deacetylases (HDACs), respectively. In-vitro and in-vivo animal models of neurodegenerative diseases and post mortem brains of patients have been reported overexpressed level of HDACs. In recent past numerous studies have indicated that HDAC inhibitors (HDACIs) might be a promising class of therapeutic agents for treating these devastating diseases. HDACs being a part of repressive complexes, the outcome of their inhibition has been attributed to enhanced gene expression due to heightened histone acetylation. Beneficial effects of HDACIs has been explored both in preclinical and clinical studies of these diseases. Thus, their screening as future therapeutics for neurodegenerative diseases has been widely explored. CONCLUSION In this review, we focus on the putative role of HDACs in neurodegeneration and further discuss their potential as a new therapeutic avenue for treating neurodegenerative diseases.
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Affiliation(s)
- Sorabh Sharma
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani-333031, Rajasthan, India
| | - K C Sarathlal
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani-333031, Rajasthan, India
| | - Rajeev Taliyan
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani-333031, Rajasthan, India
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33
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Gomez W, Morales R, Maracaja-Coutinho V, Parra V, Nassif M. Down syndrome and Alzheimer's disease: common molecular traits beyond the amyloid precursor protein. Aging (Albany NY) 2020; 12:1011-1033. [PMID: 31918411 PMCID: PMC6977673 DOI: 10.18632/aging.102677] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/25/2019] [Indexed: 02/07/2023]
Abstract
Alzheimer’s disease (AD) is the most prevalent type of dementia. Down syndrome (DS) is the leading genetic risk factor for Early-Onset AD, prematurely presenting the classic pathological features of the brain with AD. Augmented gene dosage, including the APP gene, could partially cause this predisposition. Recent works have revealed that alterations in chromosome location due to the extra Chromosome 21, as well as epigenetic modifications, could promote changes in gene expression other than those from Chromosome 21. As a result, similar pathological features and cellular dysfunctions in DS and AD, including impaired autophagy, lysosomal activity, and mitochondrial dysfunction, could be controlled beyond APP overexpression. In this review, we highlight some recent data regarding the origin of the shared features between DS and AD and explore the mechanisms concerning cognitive deficiencies in DS associated with dementia, which could shed some light into the search for new therapeutic targets for AD treatment.
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Affiliation(s)
- Wileidy Gomez
- Laboratory of Neuroprotection and Autophagy, Center for Integrative Biology, Faculty of Science, Universidad Mayor, Santiago, Chile.,Departamento de Bioquímica y Biología Molecular and Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Rodrigo Morales
- Department of Neurology, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.,CIBQA, Universidad Bernardo O'Higgins, Santiago, Chile
| | - Vinicius Maracaja-Coutinho
- Departamento de Bioquímica y Biología Molecular and Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.,Centro de Modelamiento Molecular, Biofísica y Bioinformática (CM2B2), Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Valentina Parra
- Departamento de Bioquímica y Biología Molecular and Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.,Center for Exercise, Metabolism, and Cancer Studies (CEMC), Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Autophagy Research Center, Universidad de Chile, Santiago, Chile
| | - Melissa Nassif
- Laboratory of Neuroprotection and Autophagy, Center for Integrative Biology, Faculty of Science, Universidad Mayor, Santiago, Chile.,Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
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34
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Tomaselli D, Lucidi A, Rotili D, Mai A. Epigenetic polypharmacology: A new frontier for epi-drug discovery. Med Res Rev 2020; 40:190-244. [PMID: 31218726 PMCID: PMC6917854 DOI: 10.1002/med.21600] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 05/10/2019] [Accepted: 05/14/2019] [Indexed: 12/11/2022]
Abstract
Recently, despite the great success achieved by the so-called "magic bullets" in the treatment of different diseases through a marked and specific interaction with the target of interest, the pharmacological research is moving toward the development of "molecular network active compounds," embracing the related polypharmacology approach. This strategy was born to overcome the main limitations of the single target therapy leading to a superior therapeutic effect, a decrease of adverse reactions, and a reduction of potential mechanism(s) of drug resistance caused by robustness and redundancy of biological pathways. It has become clear that multifactorial diseases such as cancer, neurological, and inflammatory disorders, may require more complex therapeutic approaches hitting a certain biological system as a whole. Concerning epigenetics, the goal of the multi-epi-target approach consists in the development of small molecules able to simultaneously and (often) reversibly bind different specific epi-targets. To date, two dual histone deacetylase/kinase inhibitors (CUDC-101 and CUDC-907) are in an advanced stage of clinical trials. In the last years, the growing interest in polypharmacology encouraged the publication of high-quality reviews on combination therapy and hybrid molecules. Hence, to update the state-of-the-art of these therapeutic approaches avoiding redundancy, herein we focused only on multiple medication therapies and multitargeting compounds exploiting epigenetic plus nonepigenetic drugs reported in the literature in 2018. In addition, all the multi-epi-target inhibitors known in literature so far, hitting two or more epigenetic targets, have been included.
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Affiliation(s)
- Daniela Tomaselli
- Department of Chemistry and Technologies of Drugs,
“Sapienza” University of Rome, P.le A. Moro 5, 00185 Roma, Italy
| | - Alessia Lucidi
- Department of Chemistry and Technologies of Drugs,
“Sapienza” University of Rome, P.le A. Moro 5, 00185 Roma, Italy
| | - Dante Rotili
- Department of Chemistry and Technologies of Drugs,
“Sapienza” University of Rome, P.le A. Moro 5, 00185 Roma, Italy
| | - Antonello Mai
- Department of Chemistry and Technologies of Drugs,
“Sapienza” University of Rome, P.le A. Moro 5, 00185 Roma, Italy
- Pasteur Institute - Cenci Bolognetti Foundation, Viale
Regina Elena 291, 00161 Roma, Italy
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35
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Rabal O, Sánchez-Arias JA, Cuadrado-Tejedor M, de Miguel I, Pérez-González M, García-Barroso C, Ugarte A, Estella-Hermoso de Mendoza A, Sáez E, Espelosin M, Ursua S, Tan H, Wu W, Xu M, Pineda-Lucena A, Garcia-Osta A, Oyarzabal J. Multitarget Approach for the Treatment of Alzheimer's Disease: Inhibition of Phosphodiesterase 9 (PDE9) and Histone Deacetylases (HDACs) Covering Diverse Selectivity Profiles. ACS Chem Neurosci 2019; 10:4076-4101. [PMID: 31441641 DOI: 10.1021/acschemneuro.9b00303] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Here, we present a series of dual-target phosphodiesterase 9 (PDE9) and histone deacetylase (HDAC) inhibitors devised as pharmacological tool compounds for assessing the implications of these two targets in Alzheimer's disease (AD). These novel inhibitors were designed taking into account the key pharmacophoric features of known selective PDE9 inhibitors as well as privileged chemical structures, bearing zinc binding groups (hydroxamic acids and ortho-amino anilides) that hit HDAC targets. These substituents were selected according to rational criteria and previous knowledge from our group to explore diverse HDAC selectivity profiles (pan-HDAC, HDAC6 selective, and class I selective) that were confirmed in biochemical screens. Their functional response in inducing acetylation of histone and tubulin and phosphorylation of cAMP response element binding (CREB) was measured as a requisite for further progression into complete in vitro absorption, distribution, metabolism and excretion (ADME) and in vivo brain penetration profiling. Compound 31b, a selective HDAC6 inhibitor with acceptable brain permeability, was chosen for assessing in vivo efficacy of these first-in-class inhibitors, as well as studying their mode of action (MoA).
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Affiliation(s)
| | | | - Mar Cuadrado-Tejedor
- Pathology, Anatomy and Physiology Department, School of Medicine, University of Navarra, Irunlarrea 1, E-31008 Pamplona, Spain
- Health Research Institute of Navarra (IDISNA), E-31008 Pamplona, Spain
| | | | | | | | | | | | | | - Maria Espelosin
- Health Research Institute of Navarra (IDISNA), E-31008 Pamplona, Spain
| | - Susana Ursua
- Health Research Institute of Navarra (IDISNA), E-31008 Pamplona, Spain
| | - Haizhong Tan
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, fourth Avenue, Tianjin 300456, PR China
| | - Wei Wu
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, fourth Avenue, Tianjin 300456, PR China
| | - Musheng Xu
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, fourth Avenue, Tianjin 300456, PR China
| | | | - Ana Garcia-Osta
- Health Research Institute of Navarra (IDISNA), E-31008 Pamplona, Spain
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36
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Franco R, Symonds ME. Editorial: Epigenetics in Mammalian Tissues. Front Genet 2019; 10:635. [PMID: 31333720 PMCID: PMC6624232 DOI: 10.3389/fgene.2019.00635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 06/17/2019] [Indexed: 11/13/2022] Open
Affiliation(s)
- Rafael Franco
- Department Bioquimica i Biomedicina Molecular, Universitat de Barcelona, Barcelona, Spain.,CIBERNED, Centro de Investigación en Red, Enfermedades Neurodegenerativas, Instituto de Salud Carlos III, Madrid, Spain
| | - Michael E Symonds
- Early Life Research Unit, Division of Child Health, Obstetrics and Gynaecology, and Nottingham Digestive Disease Centre and Biomedical Research Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
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37
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Cuadrado-Tejedor M, Pérez-González M, García-Muñoz C, Muruzabal D, García-Barroso C, Rabal O, Segura V, Sánchez-Arias JA, Oyarzabal J, Garcia-Osta A. Taking Advantage of the Selectivity of Histone Deacetylases and Phosphodiesterase Inhibitors to Design Better Therapeutic Strategies to Treat Alzheimer's Disease. Front Aging Neurosci 2019; 11:149. [PMID: 31281249 PMCID: PMC6597953 DOI: 10.3389/fnagi.2019.00149] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 06/06/2019] [Indexed: 12/19/2022] Open
Abstract
The discouraging results with therapies for Alzheimer’s disease (AD) in clinical trials, highlights the urgent need to adopt new approaches. Like other complex diseases, it is becoming clear that AD therapies should focus on the simultaneous modulation of several targets implicated in the disease. Recently, using reference compounds and the first-in class CM-414, we demonstrated that the simultaneous inhibition of histone deacetylases [class I histone deacetylases (HDACs) and HDAC6] and phosphodiesterase 5 (PDE5) has a synergistic therapeutic effect in AD models. To identify the best inhibitory balance of HDAC isoforms and PDEs that provides a safe and efficient therapy to combat AD, we tested the compound CM-695 in the Tg2576 mouse model of this disease. CM-695 selectively inhibits HDAC6 over class I HDAC isoforms, which largely overcomes the toxicity associated with HDAC class 1 inhibition. Furthermore, CM-695 inhibits PDE9, which is expressed strongly in the brain and has been proposed as a therapeutic target for AD. Chronic treatment of aged Tg2576 mice with CM-695 ameliorates memory impairment and diminishes brain Aβ, although its therapeutic effect was no longer apparent 4 weeks after the treatment was interrupted. An increase in the presence of 78-KDa glucose regulated protein (GRP78) and heat shock protein 70 (Hsp70) chaperones may underlie the therapeutic effect of CM-695. In summary, chronic treatment with CM-695 appears to reverse the AD phenotype in a safe and effective manner. Taking into account that AD is a multifactorial disorder, the multimodal action of these compounds and the different events they affect may open new avenues to combat AD.
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Affiliation(s)
- Mar Cuadrado-Tejedor
- Neurobiology of Alzheimer's Disease, Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain.,Health Research Institute of Navarra (IDISNA), Pamplona, Spain
| | - Marta Pérez-González
- Neurobiology of Alzheimer's Disease, Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain.,Health Research Institute of Navarra (IDISNA), Pamplona, Spain
| | - Cristina García-Muñoz
- Neurobiology of Alzheimer's Disease, Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Damián Muruzabal
- Neurobiology of Alzheimer's Disease, Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Carolina García-Barroso
- Neurobiology of Alzheimer's Disease, Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Obdulia Rabal
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Víctor Segura
- Health Research Institute of Navarra (IDISNA), Pamplona, Spain.,Bioinformatics Unit, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Juan A Sánchez-Arias
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Julen Oyarzabal
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Ana Garcia-Osta
- Neurobiology of Alzheimer's Disease, Neurosciences Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Health Research Institute of Navarra (IDISNA), Pamplona, Spain
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38
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De Simone A, Milelli A. Histone Deacetylase Inhibitors as Multitarget Ligands: New Players in Alzheimer's Disease Drug Discovery? ChemMedChem 2019; 14:1067-1073. [PMID: 30958639 DOI: 10.1002/cmdc.201900174] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Indexed: 01/14/2023]
Abstract
Histone deacetylase inhibitors (HDACIs) are responsible for controlling gene expression by modulating the acetylation status of histone proteins. Furthermore, they modulate the activity of cytoplasmic non-histone proteins. Due to the involvement of HDACs in neurodevelopment, memory formation, and cognitive processes, HDACIs have been suggested as innovative agents for the treatment of neurodegenerative disorders such as Alzheimer's disease (AD). Given their mechanisms of action and the complex nature of AD, HDACIs have been proposed for the design of novel multitarget ligands (MTLs). To this aim, the fragment responsible for HDAC inhibition has been coupled with other structures that are able to provide additional biological actions, such as antioxidant activity or the inhibition of phosphodiesterase 5, transglutaminase 2, and glycogen synthase kinase 3β. Herein we discuss recent efforts to design HDACI-based MTLs as potential disease-modifying entities.
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Affiliation(s)
- Angela De Simone
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D'Augusto 237, 47921, Rimini, Italy
| | - Andrea Milelli
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D'Augusto 237, 47921, Rimini, Italy
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39
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Rabal O, Sánchez-Arias JA, Cuadrado-Tejedor M, de Miguel I, Pérez-González M, García-Barroso C, Ugarte A, Estella-Hermoso de Mendoza A, Sáez E, Espelosin M, Ursua S, Haizhong T, Wei W, Musheng X, Garcia-Osta A, Oyarzabal J. Discovery of in Vivo Chemical Probes for Treating Alzheimer's Disease: Dual Phosphodiesterase 5 (PDE5) and Class I Histone Deacetylase Selective Inhibitors. ACS Chem Neurosci 2019; 10:1765-1782. [PMID: 30525452 DOI: 10.1021/acschemneuro.8b00648] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
In order to determine the contributions of histone deacetylase (HDAC) isoforms to the beneficial effects of dual phosphodiesterase 5 (PDE5) and pan-HDAC inhibitors on in vivo models of Alzheimer's disease (AD), we have designed, synthesized, and tested novel chemical probes with the desired target compound profile of PDE5 and class I HDAC selective inhibitors. Compared to previous hydroxamate-based series, these molecules exhibit longer residence times on HDACs. In this scenario, shorter or longer preincubation times may have a significant impact on the IC50 values of these compounds and therefore on their corresponding selectivity profiles on the different HDAC isoforms. On the other hand, different chemical series have been explored and, as expected, some pairwise comparisons show a clear impact of the scaffold on biological responses (e.g., 35a vs 40a). The lead identification process led to compound 29a, which shows an adequate ADME-Tox profile and in vivo target engagement (histone acetylation and cAMP/cGMP response element-binding (CREB) phosphorylation) in the central nervous system (CNS), suggesting that this compound represents an optimized chemical probe; thus, 29a has been assayed in a mouse model of AD (Tg2576).
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Affiliation(s)
| | | | - Mar Cuadrado-Tejedor
- Anatomy Department, School of Medicine, University of Navarra, Irunlarrea 1, E-31008 Pamplona, Spain
| | | | | | | | | | | | | | | | | | - Tan Haizhong
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, Fourth Avenue, Tianjin 300456, PR China
| | - Wu Wei
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, Fourth Avenue, Tianjin 300456, PR China
| | - Xu Musheng
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, Fourth Avenue, Tianjin 300456, PR China
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40
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Langmia IM, Kräker K, Weiss SE, Haase N, Schütte T, Herse F, Dechend R. Cardiovascular Programming During and After Diabetic Pregnancy: Role of Placental Dysfunction and IUGR. Front Endocrinol (Lausanne) 2019; 10:215. [PMID: 31024453 PMCID: PMC6466995 DOI: 10.3389/fendo.2019.00215] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 03/18/2019] [Indexed: 12/31/2022] Open
Abstract
Intrauterine growth restriction (IUGR) is a condition whereby a fetus is unable to achieve its genetically determined potential size. IUGR is a global health challenge due to high mortality and morbidity amongst affected neonates. It is a multifactorial condition caused by maternal, fetal, placental, and genetic confounders. Babies born of diabetic pregnancies are usually large for gestational age but under certain conditions whereby prolonged uncontrolled hyperglycemia leads to placental dysfunction, the outcome of the pregnancy is an intrauterine growth restricted fetus with clinical features of malnutrition. Placental dysfunction leads to undernutrition and hypoxia, which triggers gene modification in the developing fetus due to fetal adaptation to adverse utero environmental conditions. Thus, in utero gene modification results in future cardiovascular programming in postnatal and adult life. Ongoing research aims to broaden our understanding of the molecular mechanisms and pathological pathways involved in fetal programming due to IUGR. There is a need for the development of effective preventive and therapeutic strategies for the management of growth-restricted infants. Information on the mechanisms involved with in utero epigenetic modification leading to development of cardiovascular disease in adult life will increase our understanding and allow the identification of susceptible individuals as well as the design of targeted prevention strategies. This article aims to systematically review the latest molecular mechanisms involved in the pathogenesis of IUGR in cardiovascular programming. Animal models of IUGR that used nutrient restriction and hypoxia to mimic the clinical conditions in humans of reduced flow of nutrients and oxygen to the fetus will be discussed in terms of cardiac remodeling and epigenetic programming of cardiovascular disease. Experimental evidence of long-term fetal programming due to IUGR will also be included.
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Affiliation(s)
- Immaculate M. Langmia
- Experimental and Clinical Research Center, A Joint Cooperation Between the Max-Delbrueck Center for Molecular Medicine and the Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Alexander von Humboldt Foundation, Bonn, Germany
| | - Kristin Kräker
- Experimental and Clinical Research Center, A Joint Cooperation Between the Max-Delbrueck Center for Molecular Medicine and the Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
- Max-Delbrueck Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Sara E. Weiss
- Experimental and Clinical Research Center, A Joint Cooperation Between the Max-Delbrueck Center for Molecular Medicine and the Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Nadine Haase
- Experimental and Clinical Research Center, A Joint Cooperation Between the Max-Delbrueck Center for Molecular Medicine and the Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
- Max-Delbrueck Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Till Schütte
- Berlin Institute of Health (BIH), Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Center for Cardiovascular Research, Institute of Pharmacology, Charité -Universitätsmedizin Berlin, Berlin, Germany
| | - Florian Herse
- Experimental and Clinical Research Center, A Joint Cooperation Between the Max-Delbrueck Center for Molecular Medicine and the Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Max-Delbrueck Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Ralf Dechend
- Experimental and Clinical Research Center, A Joint Cooperation Between the Max-Delbrueck Center for Molecular Medicine and the Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- HELIOS-Klinikum, Berlin, Germany
- *Correspondence: Ralf Dechend
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Abstract
The temporal coding of action potential activity is fundamental to nervous system function. Here we consider how gene expression in neurons is regulated by specific patterns of action potential firing, with an emphasis on new information on epigenetic regulation of gene expression. Patterned action potential activity activates intracellular signaling networks selectively in accordance with the kinetics of activation and inactivation of second messengers, phosphorylation and dephosphorylation of protein kinases, and cytoplasmic and nuclear calcium dynamics, which differentially activate specific transcription factors. Increasing evidence also implicates activity-dependent regulation of epigenetic mechanisms to alter chromatin architecture. Changes in three-dimensional chromatin structure, including chromatin compaction, looping, double-stranded DNA breaks, histone and DNA modification, are altered by action potential activity to selectively inhibit or promote transcription of specific genes. These mechanisms of activity-dependent regulation of gene expression are important in neural development, plasticity, and in neurological and psychological disorders.
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Affiliation(s)
- Jillian Belgrad
- Nervous System Development and Plasticity Section, The
Eunice Kennedy Shriver National Institute of Child Health and Human Development
(NICHD), Bethesda, MD, USA
| | - R. Douglas Fields
- Nervous System Development and Plasticity Section, The
Eunice Kennedy Shriver National Institute of Child Health and Human Development
(NICHD), Bethesda, MD, USA
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42
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Rabal O, Sánchez-Arias JA, Cuadrado-Tejedor M, de Miguel I, Pérez-González M, García-Barroso C, Ugarte A, Estella-Hermoso de Mendoza A, Sáez E, Espelosin M, Ursua S, Haizhong T, Wei W, Musheng X, Garcia-Osta A, Oyarzabal J. Design, synthesis, biological evaluation and in vivo testing of dual phosphodiesterase 5 (PDE5) and histone deacetylase 6 (HDAC6)-selective inhibitors for the treatment of Alzheimer's disease. Eur J Med Chem 2018; 150:506-524. [PMID: 29549837 DOI: 10.1016/j.ejmech.2018.03.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/28/2018] [Accepted: 03/01/2018] [Indexed: 02/06/2023]
Abstract
We have identified chemical probes that act as dual phosphodiesterase 5 (PDE5) and histone deacetylase 6 (HDAC6)-selective inhibitors (>1 log unit difference versus class I HDACs) to decipher the contribution of HDAC isoforms to the positive impact of dual-acting PDE5 and HDAC inhibitors on mouse models of Alzheimer's disease (AD) and fine-tune this systems therapeutics approach. Structure- and knowledge-based approaches led to the design of first-in-class molecules with the desired target compound profile: dual PDE5 and HDAC6-selective inhibitors. Compound 44b, which fulfilled the biochemical, functional and ADME-Tox profiling requirements and exhibited adequate pharmacokinetic properties, was selected as pharmacological tool compound and tested in a mouse model of AD (Tg2576) in vivo.
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Affiliation(s)
- Obdulia Rabal
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Juan A Sánchez-Arias
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Mar Cuadrado-Tejedor
- Neurobiology of Alzheimer's Disease, Neurosciences Division, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain; Anatomy Department, School of Medicine, University of Navarra, Irunlarrea 1, E-31008, Pamplona, Spain
| | - Irene de Miguel
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Marta Pérez-González
- Neurobiology of Alzheimer's Disease, Neurosciences Division, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Carolina García-Barroso
- Neurobiology of Alzheimer's Disease, Neurosciences Division, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Ana Ugarte
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Ander Estella-Hermoso de Mendoza
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Elena Sáez
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Maria Espelosin
- Neurobiology of Alzheimer's Disease, Neurosciences Division, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Susana Ursua
- Neurobiology of Alzheimer's Disease, Neurosciences Division, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Tan Haizhong
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, 4th Avenue, Tianjin, 300456, PR China
| | - Wu Wei
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, 4th Avenue, Tianjin, 300456, PR China
| | - Xu Musheng
- WuXi Apptec (Tianjin) Co. Ltd., TEDA, No. 111 HuangHai Road, 4th Avenue, Tianjin, 300456, PR China
| | - Ana Garcia-Osta
- Neurobiology of Alzheimer's Disease, Neurosciences Division, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain
| | - Julen Oyarzabal
- Small Molecule Discovery Platform, Molecular Therapeutics Program, Center for Applied Medical Research (CIMA), University of Navarra, Avenida Pio XII 55, E-31008, Pamplona, Spain.
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43
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Wu Y, Li Z, Huang YY, Wu D, Luo HB. Novel Phosphodiesterase Inhibitors for Cognitive Improvement in Alzheimer's Disease. J Med Chem 2018; 61:5467-5483. [PMID: 29363967 DOI: 10.1021/acs.jmedchem.7b01370] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Alzheimer's disease (AD) is one of the greatest public health challenges. Phosphodiesterases (PDEs) are a superenzyme family responsible for the hydrolysis of two second messengers: cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). Since several PDE subfamilies are highly expressed in the human brain, the inhibition of PDEs is involved in neurodegenerative processes by regulating the concentration of cAMP and/or cGMP. Currently, PDEs are considered as promising targets for the treatment of AD since many PDE inhibitors have exhibited remarkable cognitive improvement effects in preclinical studies and over 15 of them have been subjected to clinical trials. The aim of this review is to summarize the outstanding progress that has been made by PDE inhibitors as anti-AD agents with encouraging results in preclinical studies and clinical trials. The binding affinity, pharmacokinetics, underlying mechanisms, and limitations of these PDE inhibitors in the treatment of AD are also reviewed and discussed.
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Affiliation(s)
- Yinuo Wu
- School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , P. R. China
| | - Zhe Li
- School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , P. R. China
| | - Yi-You Huang
- School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , P. R. China
| | - Deyan Wu
- School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , P. R. China
| | - Hai-Bin Luo
- School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , P. R. China
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44
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Yang SS, Zhang R, Wang G, Zhang YF. The development prospection of HDAC inhibitors as a potential therapeutic direction in Alzheimer's disease. Transl Neurodegener 2017; 6:19. [PMID: 28702178 PMCID: PMC5504819 DOI: 10.1186/s40035-017-0089-1] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 06/27/2017] [Indexed: 01/30/2023] Open
Abstract
Alzheimer’s disease (AD) is a chronic neurodegenerative disease, which is associated with learning and memory impairment in the elderly. Recent studies have found that treating AD in the way of chromatin remodeling via histone acetylation is a promising therapeutic regimen. In a number of recent studies, inhibitors of histone deacetylase (HDACs) have been found to be a novel promising therapeutic agents for neurological disorders, particularly for AD and other neurodegenerative diseases. Although HDAC inhibitors have the ability to ameliorate cognitive impairment, successful treatments in the classic AD animal model are rarely translated into clinical trials. As for the reduction of unwanted side effects, the development of HDAC inhibitors with increased isoform selectivity or seeking other directions is a key issue that needs to be addressed. The review focused on literatures on epigenetic mechanisms in recent years, especially on histone acetylation in terms of the enhancement of specificity, efficacy and avoiding side effects for treating AD.
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Affiliation(s)
- Shuang-Shuang Yang
- Department of Pharmacology, Institute of Medical Sciences, School of Medicine, Shanghai Jiao Tong University, 280 South Chongqing Road, Shanghai, 200025 China
| | - Rui Zhang
- Department of Pharmacology, Institute of Medical Sciences, School of Medicine, Shanghai Jiao Tong University, 280 South Chongqing Road, Shanghai, 200025 China
| | - Gang Wang
- Department of Neurology Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Ruijin 2nd Road 197, Shanghai, 200025 China
| | - Yong-Fang Zhang
- Department of Pharmacology, Institute of Medical Sciences, School of Medicine, Shanghai Jiao Tong University, 280 South Chongqing Road, Shanghai, 200025 China
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45
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de Matos AM, de Macedo MP, Rauter AP. Bridging Type 2 Diabetes and Alzheimer's Disease: Assembling the Puzzle Pieces in the Quest for the Molecules With Therapeutic and Preventive Potential. Med Res Rev 2017; 38:261-324. [PMID: 28422298 DOI: 10.1002/med.21440] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 01/18/2017] [Accepted: 02/14/2017] [Indexed: 12/19/2022]
Abstract
Type 2 diabetes (T2D) and Alzheimer's disease (AD) are two age-related amyloid diseases that affect millions of people worldwide. Broadly supported by epidemiological data, the higher incidence of AD among type 2 diabetic patients led to the recognition of T2D as a tangible risk factor for the development of AD. Indeed, there is now growing evidence on brain structural and functional abnormalities arising from brain insulin resistance and deficiency, ultimately highlighting the need for new approaches capable of preventing the development of AD in type 2 diabetic patients. This review provides an update on overlapping pathophysiological mechanisms and pathways in T2D and AD, such as amyloidogenic events, oxidative stress, endothelial dysfunction, aberrant enzymatic activity, and even shared genetic background. These events will be presented as puzzle pieces put together, thus establishing potential therapeutic targets for drug discovery and development against T2D and diabetes-induced cognitive decline-a heavyweight contributor to the increasing incidence of dementia in developed countries. Hoping to pave the way in this direction, we will present some of the most promising and well-studied drug leads with potential against both pathologies, including their respective bioactivity reports, mechanisms of action, and structure-activity relationships.
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Affiliation(s)
- Ana Marta de Matos
- Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016, Lisbon, Portugal.,CEDOC Chronic Diseases, Nova Medical School, Rua Câmara Pestana n 6, 6-A, Ed. CEDOC II, 1150-082, Lisbon, Portugal
| | - Maria Paula de Macedo
- CEDOC Chronic Diseases, Nova Medical School, Rua Câmara Pestana n 6, 6-A, Ed. CEDOC II, 1150-082, Lisbon, Portugal
| | - Amélia Pilar Rauter
- Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016, Lisbon, Portugal
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46
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Sánchez-Arias JA, Rabal O, Cuadrado-Tejedor M, de Miguel I, Pérez-González M, Ugarte A, Sáez E, Espelosin M, Ursua S, Haizhong T, Wei W, Musheng X, Garcia-Osta A, Oyarzabal J. Impact of Scaffold Exploration on Novel Dual-Acting Histone Deacetylases and Phosphodiesterase 5 Inhibitors for the Treatment of Alzheimer's Disease. ACS Chem Neurosci 2017; 8:638-661. [PMID: 27936591 DOI: 10.1021/acschemneuro.6b00370] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A novel systems therapeutics approach, involving simultaneous inhibition of phosphodiesterase 5 (PDE5) and histone deacetylase (HDAC), has been validated as a potentially novel therapeutic strategy for the treatment of Alzheimer's disease (AD). First-in-class dual inhibitors bearing a sildenafil core have been very recently reported, and the lead molecule 7 has proven this strategy in AD animal models. Because scaffolds may play a critical role in primary activities and ADME-Tox profiling as well as on intellectual property, we have explored alternative scaffolds (vardenafil- and tadalafil-based cores) and evaluated their impact on critical parameters such as primary activities, permeability, toxicity, and in vivo (pharmacokinetics and functional response in hippocampus) to identify a potential alternative lead molecule bearing a different chemotype for in vivo testing.
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Affiliation(s)
| | | | - Mar Cuadrado-Tejedor
- Anatomy Department,
School of Medicine, University of Navarra, Irunlarrea 1, E-31008 Pamplona, Spain
| | | | | | | | | | | | | | - Tan Haizhong
- WuXi Apptec (Tianjin) Co. Ltd., TEDA,
No. 111 HuangHai Road, fourth Avenue, Tianjin 300456, PR China
| | - Wu Wei
- WuXi Apptec (Tianjin) Co. Ltd., TEDA,
No. 111 HuangHai Road, fourth Avenue, Tianjin 300456, PR China
| | - Xu Musheng
- WuXi Apptec (Tianjin) Co. Ltd., TEDA,
No. 111 HuangHai Road, fourth Avenue, Tianjin 300456, PR China
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47
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Alzheimer's Disease and Histone Code Alterations. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 978:321-336. [PMID: 28523554 DOI: 10.1007/978-3-319-53889-1_17] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Substantial progress has been made in identifying Alzheimer's disease (AD) risk-associated variants using genome-wide association studies (GWAS). The majority of these risk variants reside in noncoding regions of the genome making their functional evaluation difficult; however, they also infer the presence of unconventional regulatory regions that may reside at these locations. We know from these studies that rare familial cases of AD account for less than 5% of all AD cases and autosomal dominant mutations in APP, PSEN1 and PSEN2 account for less than 10% of the genetic basis of these familial cases [1]. The sporadic form of AD, while more complex, still has a substantial genetic component evidenced by observational studies where 30-48% of AD patients have a first degree relative who is also affected [2]. In addition, the strongest risk factor after age is the APOE E4 polymorphism, and more than 20 other risk variants have been identified to date, reviewed in two recent papers [3, 4]. Monozygotic twin studies have revealed a discordance for AD, implicating that a combination of epigenetic and genetic factors are likely involved in the development of AD [5].
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48
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A First-in-Class Small-Molecule that Acts as a Dual Inhibitor of HDAC and PDE5 and that Rescues Hippocampal Synaptic Impairment in Alzheimer's Disease Mice. Neuropsychopharmacology 2017; 42:524-539. [PMID: 27550730 PMCID: PMC5399234 DOI: 10.1038/npp.2016.163] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 07/27/2016] [Accepted: 07/30/2016] [Indexed: 12/26/2022]
Abstract
The targeting of two independent but synergistic enzymatic activities, histone deacetylases (HDACs, class I and HDAC6) and phosphodiesterase 5 (PDE5), has recently been validated as a potentially novel therapeutic approach for Alzheimer's disease (AD). Here we report the discovery of a new first-in-class small-molecule (CM-414) that acts as a dual inhibitor of PDE5 and HDACs. We have used this compound as a chemical probe to validate this systems therapeutics strategy, where an increase in the activation of cAMP/cGMP-responsive element-binding protein (CREB) induced by PDE5 inhibition, combined with moderate HDAC class I inhibition, leads to efficient histone acetylation. This molecule rescued the impaired long-term potentiation evident in hippocampal slices from APP/PS1 mice. Chronic treatment of Tg2576 mice with CM-414 diminished brain Aβ and tau phosphorylation (pTau) levels, increased the inactive form of GSK3β, reverted the decrease in dendritic spine density on hippocampal neurons, and reversed their cognitive deficits, at least in part by inducing the expression of genes related to synaptic transmission. Thus, CM-414 may serve as the starting point to discover balanced dual inhibitors with an optimal efficacy and safety profile for clinical testing on AD patients.
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49
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Rabal O, Sánchez-Arias JA, Cuadrado-Tejedor M, de Miguel I, Pérez-González M, García-Barroso C, Ugarte A, Estella-Hermoso de Mendoza A, Sáez E, Espelosin M, Ursua S, Haizhong T, Wei W, Musheng X, Garcia-Osta A, Oyarzabal J. Design, Synthesis, and Biological Evaluation of First-in-Class Dual Acting Histone Deacetylases (HDACs) and Phosphodiesterase 5 (PDE5) Inhibitors for the Treatment of Alzheimer’s Disease. J Med Chem 2016; 59:8967-9004. [DOI: 10.1021/acs.jmedchem.6b00908] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | | | - Mar Cuadrado-Tejedor
- Anatomy Department, School of Medicine, University of Navarra, Irunlarrea 1, E-31008 Pamplona, Spain
| | | | | | | | | | | | | | | | | | - Tan Haizhong
- WuXi Apptec (Tianjin) Co. Ltd.,
TEDA, No. 111 HuangHai Road, Fourth
Avenue, Tianjin 300456, PR China
| | - Wu Wei
- WuXi Apptec (Tianjin) Co. Ltd.,
TEDA, No. 111 HuangHai Road, Fourth
Avenue, Tianjin 300456, PR China
| | - Xu Musheng
- WuXi Apptec (Tianjin) Co. Ltd.,
TEDA, No. 111 HuangHai Road, Fourth
Avenue, Tianjin 300456, PR China
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50
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Smolen P, Zhang Y, Byrne JH. The right time to learn: mechanisms and optimization of spaced learning. Nat Rev Neurosci 2016; 17:77-88. [PMID: 26806627 PMCID: PMC5126970 DOI: 10.1038/nrn.2015.18] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
For many types of learning, spaced training, which involves repeated long inter-trial intervals, leads to more robust memory formation than does massed training, which involves short or no intervals. Several cognitive theories have been proposed to explain this superiority, but only recently have data begun to delineate the underlying cellular and molecular mechanisms of spaced training, and we review these theories and data here. Computational models of the implicated signalling cascades have predicted that spaced training with irregular inter-trial intervals can enhance learning. This strategy of using models to predict optimal spaced training protocols, combined with pharmacotherapy, suggests novel ways to rescue impaired synaptic plasticity and learning.
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Affiliation(s)
- Paul Smolen
- Department of Neurobiology and Anatomy, W. M. Keck Center for the Neurobiology of Learning and Memory, The University of Texas Medical School at Houston, P.O. BOX 20708, Houston, Texas 77030, USA
| | - Yili Zhang
- Department of Neurobiology and Anatomy, W. M. Keck Center for the Neurobiology of Learning and Memory, The University of Texas Medical School at Houston, P.O. BOX 20708, Houston, Texas 77030, USA
| | - John H Byrne
- Department of Neurobiology and Anatomy, W. M. Keck Center for the Neurobiology of Learning and Memory, The University of Texas Medical School at Houston, P.O. BOX 20708, Houston, Texas 77030, USA
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