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Zhao H, Liu Y, Cai N, Liao X, Tang L, Wang Y. Endocannabinoid Hydrolase Inhibitors: Potential Novel Anxiolytic Drugs. Drug Des Devel Ther 2024; 18:2143-2167. [PMID: 38882045 PMCID: PMC11179644 DOI: 10.2147/dddt.s462785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 05/27/2024] [Indexed: 06/18/2024] Open
Abstract
Over the past decade, the idea of targeting the endocannabinoid system to treat anxiety disorders has received increasing attention. Previous studies focused more on developing cannabinoid receptor agonists or supplementing exogenous cannabinoids, which are prone to various adverse effects due to their strong pharmacological activity and poor receptor selectivity, limiting their application in clinical research. Endocannabinoid hydrolase inhibitors are considered to be the most promising development strategies for the treatment of anxiety disorders. More recent efforts have emphasized that inhibition of two major endogenous cannabinoid hydrolases, monoacylglycerol lipase (MAGL) and fatty acid amide hydrolase (FAAH), indirectly activates cannabinoid receptors by increasing endogenous cannabinoid levels in the synaptic gap, circumventing receptor desensitization resulting from direct enhancement of endogenous cannabinoid signaling. In this review, we comprehensively summarize the anxiolytic effects of MAGL and FAAH inhibitors and their potential pharmacological mechanisms, highlight reported novel inhibitors or natural products, and provide an outlook on future directions in this field.
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Affiliation(s)
- Hongqing Zhao
- Science & Technology Innovation Center, Hunan University of Chinese Medicine, Changsha, Hunan, People’s Republic of China
- Hunan Key Laboratory of Traditional Chinese Medicine Prevention & Treatment of Depressive Diseases, Changsha, Hunan, People’s Republic of China
| | - Yang Liu
- Science & Technology Innovation Center, Hunan University of Chinese Medicine, Changsha, Hunan, People’s Republic of China
- Hunan Key Laboratory of Traditional Chinese Medicine Prevention & Treatment of Depressive Diseases, Changsha, Hunan, People’s Republic of China
| | - Na Cai
- Outpatient Department, the First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, People’s Republic of China
| | - Xiaolin Liao
- Science & Technology Innovation Center, Hunan University of Chinese Medicine, Changsha, Hunan, People’s Republic of China
- Hunan Key Laboratory of Traditional Chinese Medicine Prevention & Treatment of Depressive Diseases, Changsha, Hunan, People’s Republic of China
| | - Lin Tang
- Hunan Key Laboratory of Traditional Chinese Medicine Prevention & Treatment of Depressive Diseases, Changsha, Hunan, People’s Republic of China
- Department of Pharmacy, the First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, People’s Republic of China
| | - Yuhong Wang
- Science & Technology Innovation Center, Hunan University of Chinese Medicine, Changsha, Hunan, People’s Republic of China
- Hunan Key Laboratory of Traditional Chinese Medicine Prevention & Treatment of Depressive Diseases, Changsha, Hunan, People’s Republic of China
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Racioppo B, Qiu N, Adibekian A. Serine Hydrolase Activity‐Based Probes for use in Chemical Proteomics. Isr J Chem 2023. [DOI: 10.1002/ijch.202300016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- Brittney Racioppo
- Department of Chemistry University of Illinois Chicago Chicago Illinois 60607 United States
- Skaggs Doctoral Program in the Chemical and Biological Sciences, Scripps Research La Jolla California 92037 United States
| | - Nan Qiu
- Department of Chemistry University of Illinois Chicago Chicago Illinois 60607 United States
- Skaggs Doctoral Program in the Chemical and Biological Sciences, Scripps Research La Jolla California 92037 United States
| | - Alexander Adibekian
- Department of Chemistry University of Illinois Chicago Chicago Illinois 60607 United States
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3
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Jaiswal S, Gupta G, Ayyannan SR. Synthesis and evaluation of carbamate derivatives as fatty acid amide hydrolase and monoacylglycerol lipase inhibitors. Arch Pharm (Weinheim) 2022; 355:e2200081. [PMID: 35924298 DOI: 10.1002/ardp.202200081] [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: 02/14/2022] [Revised: 06/24/2022] [Accepted: 07/11/2022] [Indexed: 11/06/2022]
Abstract
Fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL) are the primary catabolic enzymes for endocannabinoids, anandamide (AEA), and 2-arachidonoyl glycerol. Numerous studies have shown that FAAH and MAGL play an important role in modulating various central nervous system activities; hence, the development of small molecule FAAH/MAGL inhibitors is an active area of research. Several small molecules possessing the carbamate scaffold are documented as potential FAAH/MAGL inhibitors. Here, we designed and synthesized a series of open chain and cyclic carbamates and evaluated their dual FAAH-MAGL inhibition properties. Phenyl [4-(piperidin-1-ylmethyl)phenyl]carbamate (2e) emerged as the most potent MAGL inhibitor (IC50 = 19 nM), benzyl (1H-benzo[d]imidazol-2-yl)carbamate (3h) was the most potent FAAH inhibitor (IC50 = 55 nM), and phenyl (6-fluorobenzo[d]thiazol-2-yl)carbamate (2i) egressed as a nonselective dual FAAH-MAGL inhibitor (FAAH: 82 nM, MAGL: 72 nM). The enzyme kinetics experiments revealed that the compounds inhibit FAAH/MAGL in a covalent-reversible manner, with a mixed binding mode of action. Moreover, the lead compounds were found suitable for blood-brain permeation in the parallel artificial membrane permeation assay. Furthermore, docking simulation experiments suggested that the potency of the lead compounds was governed by hydrogen bonds and hydrophobic interactions with the enzyme active sites. In silico drug-likeness and ADMETox prediction studies provided useful information on the compounds' oral absorption, metabolism, and toxicity profiles. In summary, this study afforded potent multifunctional carbamates with appreciable pharmacokinetic profiles meriting further investigation.
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Affiliation(s)
- Shivani Jaiswal
- Pharmaceutical Chemistry Research Laboratory II, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
| | - Garima Gupta
- Pharmaceutical Chemistry Research Laboratory II, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
| | - Senthil R Ayyannan
- Pharmaceutical Chemistry Research Laboratory II, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
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Kashyap A, Kumar S, Dutt R. A review on structurally diversified synthesized molecules as monoacylglycerol lipase inhibitors and their therapeutic uses. Curr Drug Res Rev 2022; 14:96-115. [PMID: 35232358 DOI: 10.2174/2589977514666220301111457] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/24/2021] [Accepted: 12/15/2021] [Indexed: 11/22/2022]
Abstract
Monoacylglycerol is a metabolic key serine hydrolase, engaged in the regulation of signalling network system of endocannabinoids, which is associated with various physiological processes like pain, inflammation, feeding cognition and neurodegenerative diseases like Alzheimer, Parkinson's disease. The monoacylglycerol also found to act as a regulator and the free fatty acid provider in the proliferation of cancer cells, numerous aggressive tumours such as colorectal cancer, neuroblastoma and nasopharyngeal carcinoma. It also played an important role in increasing the concentration of specific lipids derived from free fatty acids like phosphatidic acid, lysophosphatidic acid, sphingosine-1-phosphate and prostaglandin E2. These signalling lipids are associated with cell proliferation, survival, tumour cell migration, contributing to tumour development, maturation and metastases. In the present study here, we are presenting a review on structurally diverse MAGL inhibitors, their development and their evaluation for different pharmacological activities.
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Affiliation(s)
- Abhishek Kashyap
- Pharmaceutical Chemistry Department (Ph.D. Scholar), School of Medical and Allied Sciences, GD Goenka University, Sohna, India
| | - Suresh Kumar
- Pharmaceutical Chemistry Department (Ph.D. Scholar), School of Medical and Allied Sciences, GD Goenka University, Sohna, India
| | - Rohit Dutt
- Pharmaceutical Chemistry Department, School of Medical and Allied Sciences, GD Goenka University, Sohna, India
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Vanhoutte R, van de Plassche MAT, Verhelst SHL. Rapid Solid-Phase Construction of Serine Hydrolase Probes Results in Selective Activity-Based Probes for Acyl Protein Thioesterases-1/2. J Med Chem 2020; 63:11845-11853. [PMID: 32990443 DOI: 10.1021/acs.jmedchem.0c01043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Serine hydrolases (SHs) are a large, diverse family of enzymes that play various biomedically important roles. Their study has been substantially advanced by activity-based protein profiling, which makes use of covalent chemical probes for labeling the active site and detection by various methodologies. However, highly selective probes for individual SHs are scarce because probe synthesis usually takes place by time-consuming solution phase chemistry. We here report a general solid-phase synthesis toward SH chemical probes, which will speed up probe library synthesis. It involves the construction of a recognition element ending in a secondary amine followed by capping with different electrophiles. We illustrate the power of this approach by the discovery of selective chemical probes for the depalmitoylating enzymes APT-1/2. Overall, this study reports new methodologies to synthesize SH probes, while providing new reagents to study protein depalmitoylation.
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Affiliation(s)
- Roeland Vanhoutte
- Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, KU Leuven, Herestr. 49, 3000 Leuven, Belgium
| | - Merel A T van de Plassche
- Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, KU Leuven, Herestr. 49, 3000 Leuven, Belgium
| | - Steven H L Verhelst
- Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, KU Leuven, Herestr. 49, 3000 Leuven, Belgium.,Leibniz Institute for Analytical Sciences ISAS, e.V., Otto-Hahn-Str. 6b, 44227 Dortmund, Germany
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Faucher F, Bennett JM, Bogyo M, Lovell S. Strategies for Tuning the Selectivity of Chemical Probes that Target Serine Hydrolases. Cell Chem Biol 2020; 27:937-952. [PMID: 32726586 PMCID: PMC7484133 DOI: 10.1016/j.chembiol.2020.07.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 02/08/2023]
Abstract
Serine hydrolases comprise a large family of enzymes that have diverse roles in key cellular processes, such as lipid metabolism, cell signaling, and regulation of post-translation modifications of proteins. They are also therapeutic targets for multiple human pathologies, including viral infection, diabetes, hypertension, and Alzheimer disease; however, few have well-defined substrates and biological functions. Activity-based probes (ABPs) have been used as effective tools to both profile activity and screen for selective inhibitors of serine hydrolases. One broad-spectrum ABP containing a fluorophosphonate electrophile has been used extensively to advance our understanding of diverse serine hydrolases. Due to the success of this single reagent, several robust chemistries have been developed to further diversify and tune the selectivity of ABPs used to target serine hydrolases. In this review, we highlight approaches to identify selective serine hydrolase ABPs and suggest new synthetic methodologies that could be applied to further advance probe development.
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Affiliation(s)
- Franco Faucher
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - John M Bennett
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Matthew Bogyo
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.
| | - Scott Lovell
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.
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Fazio D, Criscuolo E, Piccoli A, Barboni B, Fezza F, Maccarrone M. Advances in the discovery of fatty acid amide hydrolase inhibitors: what does the future hold? Expert Opin Drug Discov 2020; 15:765-778. [PMID: 32292082 DOI: 10.1080/17460441.2020.1751118] [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: 12/26/2022]
Abstract
INTRODUCTION Fatty acid amide hydrolase (FAAH) is a membrane-bound enzyme, that inactivates endogenous signaling lipids of the fatty acid amide family, including the endocannabinoid anandamide (N-arachidonoylethanolamine, AEA). The latter compound has been shown to regulate a number of important pathophysiological conditions in humans, like feeding, obesity, immune response, reproductive events, motor coordination, and neurological disorders. Hence, direct manipulation of the endocannabinoid tone is thought to have therapeutic potential. A new opportunity to develop effective drugs may arise from multi-target directed ligand (MTDL) strategies, which brings the concept that a single compound can recognize different targets involved in the cascade of pathophysiological events. AREAS COVERED This review reports the latest advances in the development of new single targeted and dual-targeted FAAH inhibitors over the past 5 years. EXPERT OPINION In recent years, several FAAH inhibitors have been synthesized and investigated, yet to date none of them has reached the market as a systemic drug. Due to the diligence of inherent redundancy and robustness in many biological networks and pathways, multitarget inhibitors present a new prospect in the pharmaceutical industry for treatment of complex diseases.
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Affiliation(s)
- Domenico Fazio
- Faculty of Biosciences and Technology for Food Agriculture and Environment, University of Teramo , Teramo, Italy.,European Center for Brain Research/IRCCS Santa Lucia Foundation , Rome, Italy
| | - Emanuele Criscuolo
- Department of Experimental Medicine, Tor Vergata University of Rome , Rome, Italy.,Department of Medicine, Campus Bio-Medico University of Rome , Rome, Italy
| | - Alessandra Piccoli
- Department of Medicine, Campus Bio-Medico University of Rome , Rome, Italy
| | - Barbara Barboni
- Faculty of Biosciences and Technology for Food Agriculture and Environment, University of Teramo , Teramo, Italy
| | - Filomena Fezza
- Department of Experimental Medicine, Tor Vergata University of Rome , Rome, Italy
| | - Mauro Maccarrone
- European Center for Brain Research/IRCCS Santa Lucia Foundation , Rome, Italy.,Department of Medicine, Campus Bio-Medico University of Rome , Rome, Italy
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Tripathi RKP. A perspective review on fatty acid amide hydrolase (FAAH) inhibitors as potential therapeutic agents. Eur J Med Chem 2019; 188:111953. [PMID: 31945644 DOI: 10.1016/j.ejmech.2019.111953] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 12/02/2019] [Accepted: 12/04/2019] [Indexed: 02/06/2023]
Abstract
Fatty acid amide hydrolase (FAAH) is an important enzyme creditworthy of hydrolyzing endocannabinoids and related-amidated signalling lipids, discovery of which has pioneered novel arena of pharmacological canvasses to unwrap its curative potency in various diseased circumstances. It presents contemporary basis for understanding molecules regulating and mediating inflammatory reactions, pain, anxiety, depression, and neurodegeneration. FAAH inhibitors form vital approach for discovery of therapeutic agents that are concerned with local elevation of endocannabinoids under certain stimuli, debarring adverse/unwanted secondary effects from global activation of cannabinoid receptors by exogenous cannabimimetics. During past decades, several molecules with excellent potency developed through tailor-made approaches entered into clinical trials, but none could reach market. Hence, hunt for novel, non-toxic and selective FAAH inhibitors are on horizon. This review summarizes present perception on FAAH in conjunction with its structure, mechanism of catalysis and biological functions. It also foregrounds recent development of molecules belonging to diverse chemical classes as potential FAAH inhibitors bobbing up from in-depth chemical, mechanistic and computational studies published since 2015-November 2019, focusing on their potency. This review will assist readers to obtain rationale on FAAH as potential target for addressing various disease conditions, acquiring significant knowledge on recently established inhibitor scaffolds and their development potentials. New technologies including MD-MM simulations and 3D-QSAR studies allow mechanistic characterization of enzyme. Assessment of in-vitro and in-vivo efficacy of existing FAAH inhibitors will facilitate researchers to design novel ligands utilizing modern drug design methods. The discussions will also impose precaution in decision making process, quashing possibility of late stage failure.
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Affiliation(s)
- Rati Kailash Prasad Tripathi
- Department of Pharmaceutical Science, Sushruta School of Medical and Paramedical Sciences, Assam University (A Central University), Silchar, Assam, 788011, India; Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi, Uttar Pradesh, 221005, India.
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