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Cheng L, Tang Q, Dai YM, Wang BQ, Hu P, Cao P, Song F. Rh-Catalyzed Intramolecular Hydroarylation of Unactivated Alkenes via C–C Bond Activation. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Lang Cheng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
| | - Qi Tang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
| | - Ya-Mei Dai
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
| | - Bi-Qin Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
| | - Ping Hu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
| | - Peng Cao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
| | - Feijie Song
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China
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Microglial Cannabinoid CB 2 Receptors in Pain Modulation. Int J Mol Sci 2023; 24:ijms24032348. [PMID: 36768668 PMCID: PMC9917135 DOI: 10.3390/ijms24032348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
Pain, especially chronic pain, can strongly affect patients' quality of life. Cannabinoids ponhave been reported to produce potent analgesic effects in different preclinical pain models, where they primarily function as agonists of Gi/o protein-coupled cannabinoid CB1 and CB2 receptors. The CB1 receptors are abundantly expressed in both the peripheral and central nervous systems. The central activation of CB1 receptors is strongly associated with psychotropic adverse effects, thus largely limiting its therapeutic potential. However, the CB2 receptors are promising targets for pain treatment without psychotropic adverse effects, as they are primarily expressed in immune cells. Additionally, as the resident immune cells in the central nervous system, microglia are increasingly recognized as critical players in chronic pain. Accumulating evidence has demonstrated that the expression of CB2 receptors is significantly increased in activated microglia in the spinal cord, which exerts protective consequences within the surrounding neural circuitry by regulating the activity and function of microglia. In this review, we focused on recent advances in understanding the role of microglial CB2 receptors in spinal nociceptive circuitry, highlighting the mechanism of CB2 receptors in modulating microglia function and its implications for CB2 receptor- selective agonist-mediated analgesia.
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Sun L, Zhao Y, Liu B, Chang J, Li X. RhodiumIII-Catalyzed Remote Difunctionalization of Arenes Assisted by a Relay Directing Group. Chem Sci 2022; 13:7347-7354. [PMID: 35799802 PMCID: PMC9214915 DOI: 10.1039/d2sc02205b] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/28/2022] [Indexed: 11/21/2022] Open
Abstract
Rhodium-catalyzed diverse tandem twofold C-H bond activation reactions of para olefin-tethered arenes have been realized, with unsaturated reagents such as internal alkynes, dioxazolones, and isocyanates being the coupling partner as...
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Affiliation(s)
- Lincong Sun
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Yuyao Zhao
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Bingxian Liu
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Junbiao Chang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Xingwei Li
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Sciences, Shandong University Qingdao 250100 China
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Supercritical fluid technologies applied to the extraction of compounds of industrial interest from Cannabis sativa L. and to their pharmaceutical formulations: A review. J Supercrit Fluids 2020. [DOI: 10.1016/j.supflu.2020.104960] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Li G, Liu Q, Vasamsetty L, Guo W, Wang J. Ruthenium(II)‐Catalyzed Asymmetric Inert C−H Bond Activation Assisted by a Chiral Transient Directing Group. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913733] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Guozhu Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Qinzhe Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Laxmaiah Vasamsetty
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Weicong Guo
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
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Li G, Liu Q, Vasamsetty L, Guo W, Wang J. Ruthenium(II)‐Catalyzed Asymmetric Inert C−H Bond Activation Assisted by a Chiral Transient Directing Group. Angew Chem Int Ed Engl 2020; 59:3475-3479. [DOI: 10.1002/anie.201913733] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Guozhu Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Qinzhe Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Laxmaiah Vasamsetty
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Weicong Guo
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
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Bidve P, Prajapati N, Kalia K, Tekade R, Tiwari V. Emerging role of nanomedicine in the treatment of neuropathic pain. J Drug Target 2019; 28:11-22. [PMID: 30798636 DOI: 10.1080/1061186x.2019.1587444] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Neuropathic pain (NeP) is a complex chronic pain condition associated with nerve injury. Approximately, 7-10% of the general population across the globe is suffering from this traumatic condition, but the existing treatment strategies are inadequate to deliver pain relief and are associated with severe adverse effects. To overcome these limitations, lot of research is focussed on developing new molecules with high potency and fewer side effects, novel cell and gene-based therapies and modification of the previously approved drugs by different formulation aspects. Nanomedicine has attracted a lot of attention in the treatment of many diverse pathological conditions because of their unique physiochemical and biological properties. In this manuscript, we highlighted the emerging role of nanomedicine in different therapies (drug, cell and gene), also we emphasised on the challenges associated with nanomedicine such as development of well-characterised nanoformulation, scaling of batches with reproducible results and toxicity along with this we discussed about the future of nanomedicine in the treatment of neuropathic pain.
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Affiliation(s)
- Pankaj Bidve
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, India
| | - Namrata Prajapati
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, India
| | - Kiran Kalia
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, India
| | - Rakesh Tekade
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, India
| | - Vinod Tiwari
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, India
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Giorgi PD, Liautard V, Pucheault M, Antoniotti S. Biomimetic Cannabinoid Synthesis Revisited: Batch and Flow All-Catalytic Synthesis of (±)-ortho
-Tetrahydrocannabinols and Analogues from Natural Feedstocks. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800064] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Pascal D. Giorgi
- Institut de Chimie de Nice; CNRS; Université Cote d'Azur; Parc Valrose 06108 Nice cedex 2 France
| | - Virginie Liautard
- Institut des Sciences Moléculaires; UMR 5255 CNRS - Université de Bordeaux; 351 cours de la libération 33405 Talence cedex France
| | - Mathieu Pucheault
- Institut des Sciences Moléculaires; UMR 5255 CNRS - Université de Bordeaux; 351 cours de la libération 33405 Talence cedex France
| | - Sylvain Antoniotti
- Institut de Chimie de Nice; CNRS; Université Cote d'Azur; Parc Valrose 06108 Nice cedex 2 France
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Brito RG, Araújo AAS, Quintans JSS, Sluka KA, Quintans-Júnior LJ. Enhanced analgesic activity by cyclodextrins - a systematic review and meta-analysis. Expert Opin Drug Deliv 2015; 12:1677-88. [PMID: 26159048 DOI: 10.1517/17425247.2015.1046835] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Analgesics can be ineffective in treating some types of pain, hence, improved drug delivery systems could optimize their efficacy. AREA COVERED The authors conducted a systematic review to evaluate the analgesic activity of compounds complexed in cyclodextrins, analyzing whether these complexes improved analgesic efficacy. The search terms 'analgesics', 'cyclodextrins' and 'drug effects' were used to retrieve articles in SCOPUS, PUBMED and EMBASE. A total of 22 papers were identified. In the clinical studies, there was greater efficacy in the complexed drug when compared with control groups, with differences ranging from 25 to 83%. Through a meta-analysis, the preclinical studies showed that the complexed drug had a significantly (p < 0.01) greater effect than the non-complexed drug. EXPERT OPINION The use of cyclodextrins can improve the efficacy of analgesic compounds, and they are an important tool in the search for greater analgesic effect. They may also be a way to reduce the therapeutic doses, and hence increasing the potential of the drug.
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Affiliation(s)
- Renan G Brito
- a 1 Federal University of Sergipe, Department of Physiology , São Cristóvão, Sergipe, Brazil +55 79 2105 6640 ; ; .,b 2 University of Iowa, Carver College of Medicine, Physical Therapy and Rehabilitation Science , Iowa City, IA, USA
| | - Adriano A S Araújo
- c 3 Federal University of Sergipe, Department of Pharmacy , São Cristóvão, Sergipe, Brazil
| | - Jullyana S S Quintans
- a 1 Federal University of Sergipe, Department of Physiology , São Cristóvão, Sergipe, Brazil +55 79 2105 6640 ; ;
| | - Kathleen A Sluka
- b 2 University of Iowa, Carver College of Medicine, Physical Therapy and Rehabilitation Science , Iowa City, IA, USA
| | - Lucindo J Quintans-Júnior
- a 1 Federal University of Sergipe, Department of Physiology , São Cristóvão, Sergipe, Brazil +55 79 2105 6640 ; ; .,b 2 University of Iowa, Carver College of Medicine, Physical Therapy and Rehabilitation Science , Iowa City, IA, USA
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Davis MP. Cannabinoids in pain management: CB1, CB2 and non-classic receptor ligands. Expert Opin Investig Drugs 2014; 23:1123-40. [PMID: 24836296 DOI: 10.1517/13543784.2014.918603] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Commercially available cannabinoids are subject to psychotomimetic and addiction (cannabinomimetic) adverse effects largely through activation of the cannabinoid 1 receptor (CB1r). The available commercial cannabinoids have a narrow therapeutic index. Recently developed peripherally restricted cannabinoids, regionally administered cannabinoids, bifunctional cannabinoid ligands and cannabinoid enzyme inhibitors, endocannabinoids, which do not interact with classic cannabinoid receptors (CB1r and CB2r), cannabinoid receptor antagonists and selective CB1r agonists hold promise as analgesics. AREAS COVERED This author provides a review of the current investigational cannabinoids currently in development for pain management. The author also provides their perspective on the future of the field. EXPERT OPINION Regional and peripherally restricted cannabinoids will reduce cannabinomimetic side effects. Spinal cannabinoids may increase the therapeutic index by limiting the dose necessary for response and minimize drugs exposure to supraspinal sites where cannabinomimetic side effects originate. Cannabinoid bifunctional ligands should be further explored. The combination of a CB2r agonist with a transient receptor potential vanilloid (TRPV-1) antagonist may improve the therapeutic index of the CB2r agonist. Enzyme inhibitors plus TRPV-1 blockers should be further explored. The development of analgesic tolerance with enzyme inhibitors and the pronociceptive effects of prostamides limit the benefits to cannabinoid hydrolyzing enzyme inhibitors. Most clinically productive development of cannabinoids over the next 5 years will be in the area of selective CB2r agonists. These agents will be tested in various inflammatory, osteoarthritis and neuropathic pains.
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Affiliation(s)
- Mellar P Davis
- The Cleveland Clinic Taussig Cancer Institute, The Harry R. Horvitz Center for Palliative Medicine, Department of Solid Tumor Oncology , 9500 Euclid Avenue R35, Cleveland, OH 44195 , USA +1 216 445 4622 ; +1 216 636 3179 ;
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