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Zhang Q, Zhao Y, Wu J, Zhong W, Huang W, Pan Y. The progress of small molecules against cannabinoid 2 receptor (CB 2R). Bioorg Chem 2024; 144:107075. [PMID: 38218067 DOI: 10.1016/j.bioorg.2023.107075] [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: 10/04/2023] [Revised: 12/03/2023] [Accepted: 12/27/2023] [Indexed: 01/15/2024]
Abstract
The two subtypes of cannabinoid receptors (CBR), namely CB1R and CB2R, belong to the G protein-coupled receptor (GPCR) superfamily and are confirmed as potential therapeutic targets for a variety of diseases such as inflammation, neuropathic pain, and immune-related disorders. Since CB1R is mainly distributed in the central nervous system (CNS), it could produce severe psychiatric adverse reactions and addiction. In contrast, CB2R are predominantly distributed in the peripheral immune system with minimal CNS-related side effects. Therefore, more attention has been devoted to the discovery of CB2R ligands. In view of the favorable profile of CB2R, many high-binding affinity and selectivity CB2R ligands have been developed recently. This paper reviews recent research progress on CB2R ligands, including endogenous CB2R ligands, natural compounds, and novel small molecules, in order to provide a reference for subsequent CB2R ligand development.
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Affiliation(s)
| | - Ying Zhao
- Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Jianan Wu
- Hangzhou Medical College, Hangzhou, Zhejiang, China
| | | | - Wenhai Huang
- Hangzhou Medical College, Hangzhou, Zhejiang, China.
| | - Youlu Pan
- Hangzhou Medical College, Hangzhou, Zhejiang, China.
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Improved cyclobutyl nabilone analogs as potent CB1 receptor agonists. Eur J Med Chem 2022; 230:114027. [DOI: 10.1016/j.ejmech.2021.114027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/23/2021] [Accepted: 11/26/2021] [Indexed: 11/18/2022]
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Kancharla SK, Birudaraju S, Pal A, Krishnakanth Reddy L, Reddy ER, Vagolu SK, Sriram D, Bonige KB, Korupolu RB. Synthesis and biological evaluation of isatin oxime ether-tethered aryl 1 H-1,2,3-triazoles as inhibitors of Mycobacterium tuberculosis. NEW J CHEM 2022. [DOI: 10.1039/d1nj05171g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A series of isatin oxime ether-tethered aryl 1H-1,2,3-triazole hybrids were synthesized and screened for their in vitro antitubercular activity against the M. tuberculosis H37Rv strain.
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Affiliation(s)
- Sampath Kumar Kancharla
- Aragen Life Sciences (Formerly GVK Bioscience), Nacharam, Hyderabad, Telangana State-500076, India
- Department of Engineering Chemistry, Andhra University, Visakhapatnam, Andhra Pradesh-530003, India
| | - Saritha Birudaraju
- Aragen Life Sciences (Formerly GVK Bioscience), Nacharam, Hyderabad, Telangana State-500076, India
| | - Arani Pal
- Aragen Life Sciences (Formerly GVK Bioscience), Nacharam, Hyderabad, Telangana State-500076, India
| | - L. Krishnakanth Reddy
- Aragen Life Sciences (Formerly GVK Bioscience), Nacharam, Hyderabad, Telangana State-500076, India
| | - Eda Rami Reddy
- Department of Chemistry, Indian Institute of Technology, Indore, 453552, India
| | - Siva Krishna Vagolu
- Medicinal Chemistry & Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Telangana State-500078, India
| | - Dharmarajan Sriram
- Medicinal Chemistry & Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Telangana State-500078, India
| | - Kishore Babu Bonige
- Department of Engineering Chemistry, Andhra University, Visakhapatnam, Andhra Pradesh-530003, India
| | - Raghu Babu Korupolu
- Department of Engineering Chemistry, Andhra University, Visakhapatnam, Andhra Pradesh-530003, India
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Murphy T, Le Foll B. Targeting the Endocannabinoid CB1 Receptor to Treat Body Weight Disorders: A Preclinical and Clinical Review of the Therapeutic Potential of Past and Present CB1 Drugs. Biomolecules 2020; 10:biom10060855. [PMID: 32512776 PMCID: PMC7356944 DOI: 10.3390/biom10060855] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/29/2020] [Accepted: 06/01/2020] [Indexed: 12/12/2022] Open
Abstract
Obesity rates are increasing worldwide and there is a need for novel therapeutic treatment options. The endocannabinoid system has been linked to homeostatic processes, including metabolism, food intake, and the regulation of body weight. Rimonabant, an inverse agonist for the cannabinoid CB1 receptor, was effective at producing weight loss in obese subjects. However, due to adverse psychiatric side effects, rimonabant was removed from the market. More recently, we reported an inverse relationship between cannabis use and BMI, which has now been duplicated by several groups. As those results may appear contradictory, we review here preclinical and clinical studies that have studied the impact on body weight of various cannabinoid CB1 drugs. Notably, we will review the impact of CB1 inverse agonists, agonists, partial agonists, and neutral antagonists. Those findings clearly point out the cannabinoid CB1 as a potential effective target for the treatment of obesity. Recent preclinical studies suggest that ligands targeting the CB1 may retain the therapeutic potential of rimonabant without the negative side effect profile. Such approaches should be tested in clinical trials for validation.
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Affiliation(s)
- Thomas Murphy
- Translational Addiction Research Laboratory, Centre for Addiction and Mental Health, University of Toronto, 33 Russell Street, Toronto, ON M5S 2S1, Canada;
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Bernard Le Foll
- Translational Addiction Research Laboratory, Centre for Addiction and Mental Health, University of Toronto, 33 Russell Street, Toronto, ON M5S 2S1, Canada;
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Acute Care Program, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5S 2S1, Canada
- Department of Family and Community Medicine, University of Toronto, Toronto, ON M5G 1V7, Canada
- Department of Psychiatry, Division of Brain and Therapeutics, University of Toronto, Toronto, ON M5T 1R8, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON M5S 1A8, Canada
- Correspondence: ; Tel.: +1-416-535-8501
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Ogden SB, Malamas MS, Makriyannis A, Eckel LA. The novel cannabinoid CB 1 receptor agonist AM11101 increases food intake in female rats. Br J Pharmacol 2019; 176:3972-3982. [PMID: 31328790 DOI: 10.1111/bph.14797] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 06/02/2019] [Accepted: 07/08/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND PURPOSE Δ9 -tetrahydrocannabinol (THC) acts via cannabinoid CB1 receptors to increase feeding. Here, we assessed the orexigenic effect of AM11101, a novel CB1 receptor agonist designed to have a more favourable pharmacodynamic profile than THC. EXPERIMENTAL APPROACH The acute, orexigenic effects of AM11101 and THC were compared in female rats. Food intake and meal patterns were also examined following once daily treatment with AM11101 and THC for 7 days. KEY RESULTS AM11101 (0.01-0.1 mg·kg-1 ) increased food intake during the first hour following both acute and chronic treatments in pre-fed and freely feeding animals. This orexigenic effect persisted for up to 4 hr, with no compensatory decrease in feeding during the subsequent 4-22 hr. THC (1 mg·kg-1 ) increased 1-hr food intake in pre-fed animals, but was less reliable than AM11101 in increasing 1-hr food intake in freely feeding animals following both acute and chronic administration. The orexigenic effect of both compounds was due to an increase in meal size, not meal number. CONCLUSIONS AND IMPLICATIONS Our study provides the first demonstration that AM11101 increases short-term food intake via a selective increase in meal size. AM11101 promotes a more reliable orexigenic effect than THC in freely feeding animals, with no subsequent compensatory decrease in feeding. AM11101 may offer a greater efficacy than THC and its congeners in stimulating food intake in underweight clinical populations.
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Affiliation(s)
- Sean B Ogden
- Program in Neuroscience, Department of Psychology, Florida State University, Tallahassee, Florida
| | - Michael S Malamas
- Center for Drug Discovery, Departments of Chemistry, Chemical Biology, and Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts
| | - Alexandros Makriyannis
- Center for Drug Discovery, Departments of Chemistry, Chemical Biology, and Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts
| | - Lisa A Eckel
- Program in Neuroscience, Department of Psychology, Florida State University, Tallahassee, Florida
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Swetha Y, Reddy ER, Kumar JR, Trivedi R, Giribabu L, Sridhar B, Rathod B, Prakasham RS. Synthesis, characterization and antimicrobial evaluation of ferrocene–oxime ether benzyl 1H-1,2,3-triazole hybrids. NEW J CHEM 2019. [DOI: 10.1039/c9nj00660e] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A series of ferrocene–oxime ether benzyl 1H-1,2,3 triazole hybrids has been synthesized by employing Cu(i) catalyzed azide–alkyne [3+2] cycloaddition reaction and their antibacterial and antifungal activities are reported.
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Affiliation(s)
- Yagnam Swetha
- Catalysis and Fine Chemicals Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Eda Rami Reddy
- Catalysis and Fine Chemicals Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
- Department of Chemistry
| | - Jakku Ranjith Kumar
- Catalysis and Fine Chemicals Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
| | - Rajiv Trivedi
- Catalysis and Fine Chemicals Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Lingamallu Giribabu
- Academy of Scientific and Innovative Research (AcSIR)
- CSIR-IICT Campus
- Hyderabad 500007
- India
- Polymer and Functional Materials Division
| | - Balasubramanian Sridhar
- Centre for X-ray Crystallography
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
| | - Balaji Rathod
- Organic Synthesis and Process Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
| | - Reddy Shetty Prakasham
- Organic Synthesis and Process Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
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