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Ahmad N, Lesa KN, Sudarmanto A, Fakhrudin N, Ikawati Z. The role of Phosphodiesterase-1 and its natural product inhibitors in Alzheimer's disease: A review. Front Pharmacol 2022; 13:1070677. [PMID: 36618909 PMCID: PMC9812569 DOI: 10.3389/fphar.2022.1070677] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Phosphodiesterase-1 (PDE1) is a versatile enzyme that has surprisingly received considerable attention as a possible therapeutic target in Alzheimer's disease (AD) because it maintains the homeostasis of 3',5'-cyclic adenosine monophosphate (cAMP) and 3',5'-cyclic guanosine monophosphate (cGMP) in the brain. 3',5'-cyclic adenosine monophosphate and 3',5'-cyclic guanosine monophosphate are the two key second messengers that regulate a broad range of intracellular processes and neurocognitive functions, specifically memory and cognition, associated with Alzheimer's disease. However, the lack of available selective drugs on the market poses challenges to identifying the beneficial effects of natural products. The present review focuses on Phosphodiesterase-1 and its isoforms, splicing variants, location, distribution, and function; the role of Phosphodiesterase-1 inhibitors in Alzheimer's disease; and the use of vinpocetine and natural products as specific Phosphodiesterase-1 inhibitors. Moreover, it aims to provide ongoing updates, identify research gaps, and present future perspectives. This review indicates the potential role of Phosphodiesterase-1 inhibitors in the treatment of neurodegenerative disorders, such as Alzheimer's disease. Certain clinical trials on the alleviation of Alzheimer's disease in patients are still in progress. Among de novo outcomes, the employment of Phosphodiesterase-1 inhibitors to treat Alzheimer's disease is an important advancement given the absence of particular therapies in the pipeline for this highly prevalent disease. To sum up, Phosphodiesterase-1 inhibition has been specifically proposed as a critical therapeutic approach for Alzheimer's disease. This study provides a comprehensive review on the biological and pharmacological aspects of Phosphodiesterase-1, its role on the Alzheimer's diseases and its significance as Alzheimer's disease therapeutic target in drug discovery from natural products. This review will help clinical trials and scientific research exploring new entities for the treatment and prevention of Alzheimer's disease.
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Affiliation(s)
- Nazir Ahmad
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta, Indonesia
| | - Kaisun Nesa Lesa
- Department of Food and Agricultural Product Technology, Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Ari Sudarmanto
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta, Indonesia
| | - Nanang Fakhrudin
- Department of Pharmaceutical Biology, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta, Indonesia,Medicinal Plants and Natural Products Research Center, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta, Indonesia,*Correspondence: Nanang Fakhrudin,
| | - Zullies Ikawati
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta, Indonesia
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Tang L, Jiang J, Song G, Wang Y, Wei M, Cao Y, Huang X, Feng X. Synthesis and biological activities study of novel phthalimides and phenylpyrazolo[1,5-a]pyrimidines. JOURNAL OF CHEMICAL RESEARCH 2021. [DOI: 10.1177/1747519821993433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Phosphodiesterase II (PDE2) is mainly distributed in brain and heart cells, and it is a potential therapeutic target for the treatment of central nervous system (CNS) diseases such as Alzheimer’s disease. Based on the structure of the existing PDE2 inhibitor BAY60-7550, a series of novel phthalimides and phenylpyrazolo[1,5- a]pyrimidines have been designed and prepared. Furthermore, after evaluating their inhibitory activity toward PDE2, compound 7-oxo- N-phenethyl-5-phenyl-4,7-dihydropyrazolo[1,5- a]pyrimidine-3-carboxamide is found to have the optimum inhibitory potential (IC50: 1.82 ± 0.29 μM). Discovery Studio software used to simulate the structure–activity relationship between this compound and the PDE2 protein crystal 4HTX to illustrate the binding modes, which provides favorable guidance for the further development of effective PDE2 inhibitors.
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Affiliation(s)
- Long Tang
- Institute of Chemical Industry of Forest Products, CAF; National Engineering Laboratory for Biomass Chemical Utilization; Key and Open Laboratory of Forest Chemical Engineering, SFA; Key Laboratory of Biomass Energy Sources and Materials, Nanjing, P.R. China
- School of Pharmaceutical Engineering & Life Science, Changzhou University, Changzhou, P.R. China
| | - Jianchun Jiang
- Institute of Chemical Industry of Forest Products, CAF; National Engineering Laboratory for Biomass Chemical Utilization; Key and Open Laboratory of Forest Chemical Engineering, SFA; Key Laboratory of Biomass Energy Sources and Materials, Nanjing, P.R. China
| | - Guoqiang Song
- School of Pharmaceutical Engineering & Life Science, Changzhou University, Changzhou, P.R. China
| | - Yajing Wang
- School of Pharmaceutical Engineering & Life Science, Changzhou University, Changzhou, P.R. China
| | - Min Wei
- Institute of Chemical Industry of Forest Products, CAF; National Engineering Laboratory for Biomass Chemical Utilization; Key and Open Laboratory of Forest Chemical Engineering, SFA; Key Laboratory of Biomass Energy Sources and Materials, Nanjing, P.R. China
| | - Yijing Cao
- School of Pharmaceutical Engineering & Life Science, Changzhou University, Changzhou, P.R. China
| | - Xianfeng Huang
- School of Pharmaceutical Engineering & Life Science, Changzhou University, Changzhou, P.R. China
| | - Xiaoqing Feng
- School of Pharmaceutical Engineering & Life Science, Changzhou University, Changzhou, P.R. China
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Cummings J. New approaches to symptomatic treatments for Alzheimer's disease. Mol Neurodegener 2021; 16:2. [PMID: 33441154 PMCID: PMC7805095 DOI: 10.1186/s13024-021-00424-9] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 01/02/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Successful development of agents that improve cognition and behavior in Alzheimer's disease (AD) is critical to improving the lives of patients manifesting the symptoms of this progressive disorder. DISCUSSION There have been no recent approvals of cognitive enhancing agents for AD. There are currently 6 cognitive enhancers in Phase 2 trials and 4 in phase 3. They represent a variety of novel mechanisms. There has been progress in developing new treatments for neuropsychiatric symptoms in AD with advances in treatment of insomnia, psychosis, apathy, and agitation in AD. There are currently 4 AD-related psychotropic agents in Phase 2 trials and 7 in Phase 3 trials. Many novel mechanisms are being explored for the treatment of cognitive and behavioral targets. Progress in trial designs, outcomes measures, and population definitions are improving trial conduct for symptomatic treatment of AD. CONCLUSIONS Advances in developing new agents for cognitive and behavioral symptoms of AD combined with enhanced trial methods promise to address the unmet needs of patients with AD for improved cognition and amelioration of neuropsychiatric symptoms.
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Affiliation(s)
- Jeffrey Cummings
- Chambers-Grundy Center for Transformative Neuroscience, Department of Brain Health, School of Integrated Health Sciences, University of Nevada Las Vegas, Las Vegas, NV, USA.
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Enomoto T, Tatara A, Goda M, Nishizato Y, Nishigori K, Kitamura A, Kamada M, Taga S, Hashimoto T, Ikeda K, Fujii Y. A Novel Phosphodiesterase 1 Inhibitor DSR-141562 Exhibits Efficacies in Animal Models for Positive, Negative, and Cognitive Symptoms Associated with Schizophrenia. J Pharmacol Exp Ther 2019; 371:692-702. [PMID: 31578257 DOI: 10.1124/jpet.119.260869] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 09/18/2019] [Indexed: 01/09/2023] Open
Abstract
In our drug discovery program, we identified a novel orally available and brain-penetrant phosphodiesterase (PDE) 1 inhibitor, 3-methyl-7-(tetrahydro-2H-pyran-4-yl)-2-{[trans-4-(trifluoromethyl)cyclohexyl]-methoxy}imidazo[5,1-f][1,2,4]triazin-4(3H)-one (DSR-141562). In the present study, we characterized the preclinical profile of DSR-141562. This compound has preferential selectivity for predominantly brain-expressed PDE1B over other PDE1 family members, and high selectivity for the PDE1 family over other PDE families and 65 other tested biologic targets. Oral administration of DSR-141562 at 10 mg/kg slightly elevated the cGMP concentration, and it potently enhanced the increase of cGMP induced by a dopamine D1 receptor agonist in mouse brains. The cGMP level in monkey cerebrospinal fluid was also elevated after treatment with DSR-141562 at 30 and 100 mg/kg and could be used as a translational biomarker. Since PDE1B is believed to regulate dopaminergic and glutamatergic signal transduction, we evaluated the effects of this compound using schizophrenia-related behavioral assays. DSR-141562 at 3-30 mg/kg potently inhibited methamphetamine-induced locomotor hyperactivity in rats, while it had only minimal effects on the spontaneous locomotor activity. Furthermore, DSR-141562 at 1-100 mg/kg did not induce any signs of catalepsy in rats. DSR-141562 at 0.3-3 mg/kg reversed social interaction and novel object recognition deficits induced by repeated treatment with an N-methyl-D-aspartate receptor antagonist, phencyclidine, in mice and rats, respectively. In common marmosets, DSR-141562 at 3 and 30 mg/kg improved the performance in object retrieval with detour tasks. These results suggest that DSR-141562 is a therapeutic candidate for positive, negative, and cognitive symptoms in schizophrenia. SIGNIFICANCE STATEMENT: This is the first paper showing that a phosphodiesterase 1 inhibitor is efficacious in animal models for positive and negative symptoms associated with schizophrenia. Furthermore, we demonstrated that this compound improved cognitive function in the common marmoset, a nonhuman primate.
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Affiliation(s)
- Takeshi Enomoto
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Ayaka Tatara
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Masao Goda
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Yohei Nishizato
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Kantaro Nishigori
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Atsushi Kitamura
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Mami Kamada
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Shiori Taga
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Takashi Hashimoto
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Kazuhito Ikeda
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
| | - Yuki Fujii
- Drug Research Division, Sumitomo Dainippon Pharma, Co., Ltd., Osaka, Japan
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