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Giorgioni G, Bonifazi A, Botticelli L, Cifani C, Matteucci F, Micioni Di Bonaventura E, Micioni Di Bonaventura MV, Giannella M, Piergentili A, Piergentili A, Quaglia W, Del Bello F. Advances in drug design and therapeutic potential of selective or multitarget 5-HT1A receptor ligands. Med Res Rev 2024; 44:2640-2706. [PMID: 38808959 DOI: 10.1002/med.22049] [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: 12/21/2023] [Revised: 03/14/2024] [Accepted: 05/03/2024] [Indexed: 05/30/2024]
Abstract
5-HT1A receptor (5-HT1A-R) is a serotoninergic G-protein coupled receptor subtype which contributes to several physiological processes in both central nervous system and periphery. Despite being the first 5-HT-R identified, cloned and studied, it still represents a very attractive target in drug discovery and continues to be the focus of a myriad of drug discovery campaigns due to its involvement in numerous neuropsychiatric disorders. The structure-activity relationship studies (SAR) performed over the last years have been devoted to three main goals: (i) design and synthesis of 5-HT1A-R selective/preferential ligands; (ii) identification of 5-HT1A-R biased agonists, differentiating pre- versus post-synaptic agonism and signaling cellular mechanisms; (iii) development of multitarget compounds endowed with well-defined poly-pharmacological profiles targeting 5-HT1A-R along with other serotonin receptors, serotonin transporter (SERT), D2-like receptors and/or enzymes, such as acetylcholinesterase and phosphodiesterase, as a promising strategy for the management of complex psychiatric and neurodegenerative disorders. In this review, medicinal chemistry aspects of ligands acting as selective/preferential or multitarget 5-HT1A-R agonists and antagonists belonging to different chemotypes and developed in the last 7 years (2017-2023) have been discussed. The development of chemical and pharmacological 5-HT1A-R tools for molecular imaging have also been described. Finally, the pharmacological interest of 5-HT1A-R and the therapeutic potential of ligands targeting this receptor have been considered.
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Affiliation(s)
- Gianfabio Giorgioni
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Alessandro Bonifazi
- Medicinal Chemistry Section, Molecular Targets and Medications Discovery Branch, National Institute on Drug Abuse - Intramural Research Program, National Institutes of Health, Baltimore, Maryland, USA
| | - Luca Botticelli
- Pharmacology Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Carlo Cifani
- Pharmacology Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Federica Matteucci
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | | | | | - Mario Giannella
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | | | - Alessia Piergentili
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Wilma Quaglia
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Fabio Del Bello
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Camerino, Italy
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2
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Cheng L, Miao Z, Liu S, Li Z, Fu H, Xu C, Hu S, Zhao C, Liu Y, Zhao T, Liu W, Wang H, Liu R, Yan W, Tang X, Liu J, Shao Z, Ke B. Cryo-EM structure of small-molecule agonist bound delta opioid receptor-G i complex enables discovery of biased compound. Nat Commun 2024; 15:8284. [PMID: 39333070 PMCID: PMC11437176 DOI: 10.1038/s41467-024-52601-1] [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: 02/08/2024] [Accepted: 09/12/2024] [Indexed: 09/29/2024] Open
Abstract
Delta opioid receptor (δOR) plays a pivotal role in modulating human sensation and emotion. It is an attractive target for drug discovery since, unlike Mu opioid receptor, it is associated with low risk of drug dependence. Despite its potential applications, the pharmacological properties of δOR, including the mechanisms of activation by small-molecule agonists and the complex signaling pathways it engages, as well as their relation to the potential side effects, remain poorly understood. In this study, we use cryo-electron microscopy (cryo-EM) to determine the structure of the δOR-Gi complex when bound to a small-molecule agonist (ADL5859). Moreover, we design a series of probes to examine the key receptor-ligand interaction site and identify a region involved in signaling bias. Using ADL06 as a chemical tool, we elucidate the relationship between the β-arrestin pathway of the δOR and its biological functions, such as analgesic tolerance and convulsion activities. Notably, we discover that the β-arrestin recruitment of δOR might be linked to reduced gastrointestinal motility. These insights enhance our understanding of δOR's structure, signaling pathways, and biological functions, paving the way for the structure-based drug discovery.
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Grants
- 2023ZYD0168 Department of Science and Technology of Sichuan Province (Sichuan Provincial Department of Science and Technology)
- 2024NSFJQ0052 Department of Science and Technology of Sichuan Province (Sichuan Provincial Department of Science and Technology)
- 82425054, 82273784 National Natural Science Foundation of China (National Science Foundation of China)
- 82271190, 32100965 National Natural Science Foundation of China (National Science Foundation of China)
- 323B2038 National Natural Science Foundation of China (National Science Foundation of China)
- 32371288, 32100988 National Natural Science Foundation of China (National Science Foundation of China)
- 31972916, T2221004, 31972916 National Natural Science Foundation of China (National Science Foundation of China)
- 32330049, 82320108021 National Natural Science Foundation of China (National Science Foundation of China)
- 2019YFA0508800 Ministry of Science,Technology and Research (Ministry of Technology & Research)
- 2021ZD0201900 Ministry of Science and Technology of the People's Republic of China (Chinese Ministry of Science and Technology)
- the 1.3.5 Project for Disciplines of Excellence, West China Hospital, Sichuan University,ZYYC21002 and ZYGD23025
- Ministry of Science,Technology and Research (Ministry of Technology & Research)
- Frontiers Medical Center, Tianfu Jincheng Laboratory Foundation, TFJC2023010010; the 1.3.5 Project for Disciplines of Excellence, West China Hospital, Sichuan University, ZYYC20023.
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Affiliation(s)
- Lin Cheng
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Otolaryngology Head and Neck Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Zhuang Miao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Sicen Liu
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, China
| | - Zhe Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, P. R. China
| | - Hong Fu
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chanjuan Xu
- Cellular Signaling Laboratory, International Research Center for Sensory Biology and Technology of MOST, Key Laboratory of Molecular Biophysics of MOE, and College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shilong Hu
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chang Zhao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yuxuan Liu
- Cellular Signaling Laboratory, International Research Center for Sensory Biology and Technology of MOST, Key Laboratory of Molecular Biophysics of MOE, and College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Tiantian Zhao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wencheng Liu
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Heli Wang
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Runduo Liu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, P. R. China
| | - Wei Yan
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiangdong Tang
- Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jianfeng Liu
- Cellular Signaling Laboratory, International Research Center for Sensory Biology and Technology of MOST, Key Laboratory of Molecular Biophysics of MOE, and College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Zhenhua Shao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
- Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, China.
| | - Bowen Ke
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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3
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Goh MPY, Samsul RN, Mohaimin AW, Goh HP, Zaini NH, Kifli N, Ahmad N. The Analgesic Potential of Litsea Species: A Systematic Review. Molecules 2024; 29:2079. [PMID: 38731572 PMCID: PMC11085224 DOI: 10.3390/molecules29092079] [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: 04/06/2024] [Revised: 04/25/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Various plant species from the Litsea genus have been claimed to be beneficial for pain relief. The PRISMA approach was adopted to identify studies that reported analgesic properties of plants from the Litsea genus. Out of 450 records returned, 19 primary studies revealed the analgesic potential of nine Litsea species including (1) Litsea cubeba, (2) Litsea elliptibacea, (3) Litsea japonica, (4) Litsea glutinosa, (5) Litsea glaucescens, (6) Litsea guatemalensis, (7) Litsea lancifolia, (8) Litsea liyuyingi and (9) Litsea monopetala. Six of the species, 1, 3, 4, 7, 8 and 9, demonstrated peripheral antinociceptive properties as they inhibited acetic-acid-induced writhing in animal models. Species 1, 3, 4, 8 and 9 further showed effects via the central analgesic route at the spinal level by increasing the latencies of heat stimulated-nocifensive responses in the tail flick assay. The hot plate assay also revealed the efficacies of 4 and 9 at the supraspinal level. Species 6 was reported to ameliorate hyperalgesia induced via partial sciatic nerve ligation (PSNL). The antinociceptive effects of 1 and 3 were attributed to the regulatory effects of their bioactive compounds on inflammatory mediators. As for 2 and 5, their analgesic effect may be a result of their activity with the 5-hydroxytryptamine 1A receptor (5-HT1AR) which disrupted the pain-stimulating actions of 5-HT. Antinociceptive activities were documented for various major compounds of the Litsea plants. Overall, the findings suggested Litsea species as good sources of antinociceptive compounds that can be further developed to complement or substitute prescription drugs for pain management.
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Affiliation(s)
- May Poh Yik Goh
- Herbal Research Group, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei; (M.P.Y.G.); (R.N.S.); (A.W.M.); (N.K.)
- PAP Rashidah Saádatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei;
| | - Raudhatun Na’emah Samsul
- Herbal Research Group, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei; (M.P.Y.G.); (R.N.S.); (A.W.M.); (N.K.)
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei
| | - Amal Widaad Mohaimin
- Herbal Research Group, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei; (M.P.Y.G.); (R.N.S.); (A.W.M.); (N.K.)
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei
| | - Hui Poh Goh
- PAP Rashidah Saádatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei;
| | - Nurul Hazlina Zaini
- UBD Botanical Research Centre, Institute for Biodiversity and Environmental Research, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei;
| | - Nurolaini Kifli
- Herbal Research Group, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei; (M.P.Y.G.); (R.N.S.); (A.W.M.); (N.K.)
- PAP Rashidah Saádatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei;
| | - Norhayati Ahmad
- Herbal Research Group, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei; (M.P.Y.G.); (R.N.S.); (A.W.M.); (N.K.)
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei
- UBD Botanical Research Centre, Institute for Biodiversity and Environmental Research, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Bandar Seri Begawan BE 1410, Brunei;
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4
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Sorbi C, Belluti S, Atene CG, Marocchi F, Linciano P, Roy N, Paradiso E, Casarini L, Ronsisvalle S, Zanocco-Marani T, Brasili L, Lanfrancone L, Imbriano C, Di Rocco G, Franchini S. BS148 Reduces the Aggressiveness of Metastatic Melanoma via Sigma-2 Receptor Targeting. Int J Mol Sci 2023; 24:ijms24119684. [PMID: 37298633 DOI: 10.3390/ijms24119684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/18/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
The management of advanced-stage melanoma is clinically challenging, mainly because of its resistance to the currently available therapies. Therefore, it is important to develop alternative therapeutic strategies. The sigma-2 receptor (S2R) is overexpressed in proliferating tumor cells and represents a promising vulnerability to target. Indeed, we have recently identified a potent S2R modulator (BS148) that is effective in melanoma. To elucidate its mechanism of action, we designed and synthesized a BS148 fluorescent probe that enters SK-MEL-2 melanoma cells as assessed using confocal microscopy analysis. We show that S2R knockdown significantly reduces the anti-proliferative effect induced by BS148 administration, indicating the engagement of S2R in BS148-mediated cytotoxicity. Interestingly, BS148 treatment showed similar molecular effects to S2R RNA interference-mediated knockdown. We demonstrate that BS148 administration activates the endoplasmic reticulum stress response through the upregulation of protein kinase R-like ER kinase (PERK), activating transcription factor 4 (ATF4) genes, and C/EBP homologous protein (CHOP). Furthermore, we show that BS148 treatment downregulates genes related to the cholesterol pathway and activates the MAPK signaling pathway. Finally, we translate our results into patient-derived xenograft (PDX) cells, proving that BS148 treatment reduces melanoma cell viability and migration. These results demonstrate that BS148 is able to inhibit metastatic melanoma cell proliferation and migration through its interaction with the S2R and confirm its role as a promising target to treat cancer.
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Affiliation(s)
- Claudia Sorbi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Silvia Belluti
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Claudio Giacinto Atene
- Hematology Section, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Federica Marocchi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy
| | - Pasquale Linciano
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
| | - Neena Roy
- Unit of Endocrinology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Ospedale di Baggiovara, 41126 Modena, Italy
| | - Elia Paradiso
- Unit of Endocrinology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Ospedale di Baggiovara, 41126 Modena, Italy
| | - Livio Casarini
- Unit of Endocrinology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Ospedale di Baggiovara, 41126 Modena, Italy
- Center for Genomic Research, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Simone Ronsisvalle
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Tommaso Zanocco-Marani
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Livio Brasili
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Luisa Lanfrancone
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy
| | - Carol Imbriano
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Giulia Di Rocco
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Silvia Franchini
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
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5
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Yao W, Li S, Xie L, Jiang Y. Chiral recognition of tryptophan enantiomer based on the electrode modified by polyaniline adsorption bovine serum albumin complex. Chirality 2023; 35:129-144. [PMID: 36564104 DOI: 10.1002/chir.23525] [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: 11/10/2022] [Revised: 12/11/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022]
Abstract
A chiral sensing platform was constructed via adsorptive functionalization of ammonium persulfate doped polyaniline (APS-DPANI) with bovine serum albumin (BSA). The novelty of this work is the construction of such chiral interface with adsorption principle. The material has been characterized by scanning electron microscope, Fourier transform infrared and X-ray photoelectron spectroscopy, and thermogravimetric and water contact angle analyses. It displayed considerable stability in multi-run cyclic voltammetric scanning. Moreover, the superior conductivity of APS-DPANI and the decent binding ability of BSA endowed this sensing platform with an excellent recognition effect for tryptophan (Trp) enantiomers in the differential pulse voltammetry (DPV) test. The recognition was highly reproducible, and the detection limits for L- and D-isomer were 0.071 and 0.0478 mM, respectively.
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Affiliation(s)
- Wenyan Yao
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou, China
| | - Sha Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou, China
| | - Licheng Xie
- Changzhou University Huaide College, Taizhou, China
| | - Yan Jiang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou, China
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Kowalczyk E, Kniotek M, Korczak-Kowalska G, Borysowski J. Progesterone-induced blocking factor and interleukin 4 as novel therapeutics in the treatment of recurrent pregnancy loss. Med Hypotheses 2022. [DOI: 10.1016/j.mehy.2022.110968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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7
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Effect of the replacement of the o-methoxyphenyl moiety with nitrogen-containing aromatic rings within N-phenyl-piperazine and phenoxy-ethylamine-based 1,3-dioxo/oxathio/dithiolanes as α1 and 5-HT1A receptor ligands. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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8
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Wu YJ, Meanwell NA. Geminal Diheteroatomic Motifs: Some Applications of Acetals, Ketals, and Their Sulfur and Nitrogen Homologues in Medicinal Chemistry and Drug Design. J Med Chem 2021; 64:9786-9874. [PMID: 34213340 DOI: 10.1021/acs.jmedchem.1c00790] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Acetals and ketals and their nitrogen and sulfur homologues are often considered to be unconventional and potentially problematic scaffolding elements or pharmacophores for the design of orally bioavailable drugs. This opinion is largely a function of the perception that such motifs might be chemically unstable under the acidic conditions of the stomach and upper gastrointestinal tract. However, even simple acetals and ketals, including acyclic molecules, can be sufficiently robust under acidic conditions to be fashioned into orally bioavailable drugs, and these structural elements are embedded in many effective therapeutic agents. The chemical stability of molecules incorporating geminal diheteroatomic motifs can be modulated by physicochemical design principles that include the judicious deployment of proximal electron-withdrawing substituents and conformational restriction. In this Perspective, we exemplify geminal diheteroatomic motifs that have been utilized in the discovery of orally bioavailable drugs or drug candidates against the backdrop of understanding their potential for chemical lability.
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Affiliation(s)
- Yong-Jin Wu
- Small Molecule Drug Discovery, Bristol Myers Squibb Research and Early Development, 100 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Nicholas A Meanwell
- Department of Discovery and Chemistry and Molecular Technologies, Bristol-Myers Squibb PRI, PO Box 4000, Princeton, New Jersey 08543-4000, United States
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9
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Obeng S, Hiranita T, León F, McMahon LR, McCurdy CR. Novel Approaches, Drug Candidates, and Targets in Pain Drug Discovery. J Med Chem 2021; 64:6523-6548. [PMID: 33956427 DOI: 10.1021/acs.jmedchem.1c00028] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Because of the problems associated with opioids, drug discovery efforts have been employed to develop opioids with reduced side effects using approaches such as biased opioid agonism, multifunctional opioids, and allosteric modulation of opioid receptors. Receptor targets such as adrenergic, cannabinoid, P2X3 and P2X7, NMDA, serotonin, and sigma, as well as ion channels like the voltage-gated sodium channels Nav1.7 and Nav1.8 have been targeted to develop novel analgesics. Several enzymes, such as soluble epoxide hydrolase, sepiapterin reductase, and MAGL/FAAH, have also been targeted to develop novel analgesics. In this review, old and recent targets involved in pain signaling and compounds acting at these targets are summarized. In addition, strategies employed to reduce side effects, increase potency, and efficacy of opioids are also elaborated. This review should aid in propelling drug discovery efforts to discover novel analgesics.
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Affiliation(s)
- Samuel Obeng
- Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States.,Department Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
| | - Takato Hiranita
- Department Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
| | - Francisco León
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia 29208, United States
| | - Lance R McMahon
- Department Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
| | - Christopher R McCurdy
- Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States.,Translational Drug Development Core, Clinical and Translational Sciences Institute, University of Florida, Gainesville, Florida 32610, United States
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