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Funes M, Tosso RD, Machado ND, Fernández MA, Garro M, Díaz DD, Hikawczuk VJ, Enriz RD. Antinociceptive effect of cyclic and linear diterpenoids as new atypical agonists of κ-opioid receptors obtained from four species of the Baccharis genus, and vehiculated in nanometric niosomes. Fitoterapia 2023; 169:105622. [PMID: 37524126 DOI: 10.1016/j.fitote.2023.105622] [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: 04/10/2023] [Revised: 07/24/2023] [Accepted: 07/24/2023] [Indexed: 08/02/2023]
Abstract
New natural analgesic compounds that act in KORs are important alternatives for potential therapeutical use in medicine. In this work, we report and compare here the antinociceptive activity displayed by cyclic and linear diterpenes, obtained from the genus Baccharis. The antinociceptive activities determined were relatively strong, in comparison whit morphine. The antinociceptive mechanism of action was made through naloxone administration (a non-selective antagonist of opioid receptors). The more active compounds were vehiculized successfully in niosomes at nanometric scale. The observed antinociceptive activity for Bartemidiolide oxide (BARTO), obtain from Baccharis artemisioides, was greater than Flabeloic acid dimer (DACD), the first compound isolated from Baccharis flabellata that was reported possessing antinociceptive effects. We also conducted docking calculations and molecular dynamics simulations, which suggested that the newly identified diterpenes might share the molecular action mechanism reported for Salvinorin A (SalA). Molecular simulations have allowed us to appreciate some subtle differences between molecular interactions of these ligands stabilizing their respective complexes; such information might be useful for designing and searching for new inhibitors of KORs.
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Affiliation(s)
- Matías Funes
- Pharmacognosy, School of Chemistry, Biochemistry, and Pharmacy, National University of San Luis, Av. Ejército de los Andes 950, 5700 San Luis, Argentina; Multidisciplinary Institute for Biological Research (IMIBIO-CONICET), Av. Ejército de los Andes 950, 5700 San Luis, Argentina.
| | - Rodrigo D Tosso
- Multidisciplinary Institute for Biological Research (IMIBIO-CONICET), Av. Ejército de los Andes 950, 5700 San Luis, Argentina
| | - Noelia D Machado
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba X5000HUA, Argentina; Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA-UNC-CONICET), Avda. Vélez Sársfield 1611, Córdoba X5016GCA, Argentina
| | - Mariana A Fernández
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba X5000HUA, Argentina; Instituto de Investigaciones en Físico-Química de Córdoba (INFIQC-CONICET), Ciudad Universitaria, Córdoba X5000HUA, Argentina
| | - María Garro
- Pharmacognosy, School of Chemistry, Biochemistry, and Pharmacy, National University of San Luis, Av. Ejército de los Andes 950, 5700 San Luis, Argentina
| | - David Díaz Díaz
- Departamento de Química Orgánica, Universidad de la Laguna, La Laguna, Spain; Instituto Universitario de Bio-Orgánica Antonio González, Universidad de la Laguna, La Laguna, Spain; Institute of Organic Chemistry, University of Regensburg, Universitätstr. 31, Regensburg 93053, Germany
| | - Virginia Juan Hikawczuk
- Organic Chemistry, School of Chemistry, Biochemistry, and Pharmacy, National University of San Luis, Av. Ejército de los Andes 950, 5700, San Luis, Argentina
| | - Ricardo D Enriz
- Pharmacognosy, School of Chemistry, Biochemistry, and Pharmacy, National University of San Luis, Av. Ejército de los Andes 950, 5700 San Luis, Argentina; Multidisciplinary Institute for Biological Research (IMIBIO-CONICET), Av. Ejército de los Andes 950, 5700 San Luis, Argentina.
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2
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Liao Y, Wang X, Ran G, Zhang S, Wu C, Tan R, Liu Y, He Y, Liu T, Wu Z, Peng Y, Li W, Zheng J. DNA damage and up-regulation of PARP-1 induced by columbin in vitro and in vivo. Toxicol Lett 2023; 379:20-34. [PMID: 36905973 DOI: 10.1016/j.toxlet.2023.03.003] [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: 11/26/2022] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023]
Abstract
Columbin (CLB) is the most abundant (>1.0%) furan-containing diterpenoid lactone in herbal medicine Tinospora sagittate (Oliv.) Gagnep. The furano-terpenoid was found to be hepatotoxic, but the exact mechanisms remain unknown. The present study demonstrated that administration of CLB at 50 mg/kg induced hepatotoxicity, DNA damage and up-regulation of PARP-1 in vivo. Exposure to CLB (10 μM) induced GSH depletion, over-production of ROS, DNA damage, up-regulation of PARP-1 and cell death in cultured mouse primary hepatocytes in vitro. Co-treatment of mouse primary hepatocytes with ketoconazole (10 μM) or glutathione ethyl ester (200 μM) attenuated the GSH depletion, over-production of ROS, DNA damage, up-regulation of PARP-1, and cell death induced by CLB, while co-exposure to L-buthionine sulfoximine (BSO, 1000 μM) intensified such adverse effects resulting from CLB exposure. These results suggest that the metabolic activation of CLB by CYP3A resulted in the depletion of GSH and increase of ROS formation. The resultant over-production of ROS subsequently disrupted the DNA integrity and up-regulated the expression of PARP-1 in response to DNA damage, and ROS-induced DNA damage was involved in the hepatotoxicity of CLB.
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Affiliation(s)
- Yufen Liao
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Xin Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Guangyun Ran
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Shiyu Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang 550001, PR China
| | - Chutian Wu
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Rong Tan
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Ying Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Yan He
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Ting Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Zhongxiu Wu
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China
| | - Ying Peng
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China.
| | - Weiwei Li
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China.
| | - Jiang Zheng
- State Key Laboratory of Functions and Applications of Medicinal Plants & Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; Key Laboratory of Environmental Pollution, Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; School of Pharmacy, Guizhou Medical University, Guiyang, Guizhou 550004, PR China; Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China.
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3
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Ghani GEAE, Hassanien AE, El-Bana GG. Synthesis, DFT studies, and cytotoxicity against (HepG-2) of some hetero furan-hydrazide derivatives. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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Yilmaz A, Uckaya F, Bayindir N, Guler EM, Toprak A, Kocyigit A, Esrefoglu M, Topcu G. Comparing healing effect against ulcerative colitis and toxicological effects of Rosmarinus officinalis: A comprehensive in vivo study of an edible plant in rats. J Food Biochem 2022; 46:e14299. [PMID: 35778816 DOI: 10.1111/jfbc.14299] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/16/2022] [Accepted: 06/13/2022] [Indexed: 12/29/2022]
Abstract
Ulcerative colitis (UC) is a chronic and inflammatory disorder of the gastrointestinal (GI) tract. UC usually worsens the daily life of the patient and may sometimes become mortal. There is no known remedy discovered against UC, yet. Rosmarinus officinalis consists of many flavonoids, phenolics, and terpenoids possessing various biological activities such as anti-inflammatory. For this reason, in the present study, anti-ulcerative colitis effect of ROME (Rosmarinus officinalis methanol extract) was investigated comprehensively by histopathological studies, a number of in vivo anti-inflammatory activities and several in vivo antioxidant activities, in addition to in vitro antioxidant activities and biochemical analyses. In addition, the toxic effects of ROME were examined. The results showed that ROME provided a significant healing effect against ulcerative colitis in rats. Both in vitro and in vivo assay results correlated with histopathological examinations. ROME exhibited minimal toxic alterations. When the results of rosemary are compared with the results of sulfasalazine, it can be suggested that instead of synthetic drugs with side effects, natural sources can be used for the treatment of various diseases. Although some activities of rosemary have been investigated in vitro in the previous studies, this is the first study revealing anti-ulcerative colitis effect of rosemary through histopathological studies, in vivo and in vitro assays as well as biochemical analyses overall. PRACTICAL APPLICATIONS: The results revealed and proved that ROME provided a significant healing effect against ulcerative colitis in rats. When the results of rosemary are compared with the results of sulfasalazine, a commercially available drug on the market, it can be suggested that instead of synthetic drugs with side effects, natural sources can be used for the treatment of various inflammatory diseases such as UC disease. In addition, ROME possesses limited toxic alterations, but not much more than the commercial drug. As a future perspective, lethal and therapeutic doses can be examined and determined. Thus, human studies can be started through this comprehensive in vivo study on rosemary which is commonly used as an edible plant and spice all over the world.
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Affiliation(s)
- Anil Yilmaz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Trakya University, Edirne, Turkey.,Department of Pharmacognosy, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul, Turkey
| | - Fatih Uckaya
- Department of Biochemistry, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul, Turkey.,Department of Fundamentals of Nursing, Faculty of Health Sciences, Alanya Alaaddin Keykubat University, Antalya, Turkey
| | - Nihan Bayindir
- Department of Histology, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
| | - Eray Metin Guler
- Department of Biochemistry, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
| | - Ali Toprak
- Department of Biostatistics, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
| | - Abdurrahim Kocyigit
- Department of Biochemistry, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
| | - Mukaddes Esrefoglu
- Department of Histology, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
| | - Gulacti Topcu
- Department of Pharmacognosy, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul, Turkey
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5
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Shevick S, Freeman SM, Tong G, Russo RJ, Bohn LM, Shenvi RA. Asymmetric Syntheses of (+)- and (-)-Collybolide Enable Reevaluation of kappa-Opioid Receptor Agonism. ACS CENTRAL SCIENCE 2022; 8:948-954. [PMID: 35912357 PMCID: PMC9335922 DOI: 10.1021/acscentsci.2c00442] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The fungal metabolite collybolide has attracted attention as a non-nitrogenous, potent, and biased agonist of the kappa-opioid receptor (KOR). Here, we report a 10-step asymmetric synthesis of this complex sesquiterpene that enables facile access to either enantiomer. The synthesis relies on a diastereoselective α-benzoyloxylation to install the buried C6 benzoate and avoid irreversible translactonization of the congested, functionally dense core. Neither enantiomer, however, exhibited KOR agonism, indicating that collybolide has been mischaracterized as a KOR agonist. Given the pharmaceutical, medical, and societal interest in collybolide as a next-generation antipruritic and analgesic, this refutation of KOR activity has important ramifications for ongoing studies. Classification of collybolide as a new non-nitrogenous, KOR-selective, potent agonist with the same clinical potential as salvinorin A seems to have been premature.
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Affiliation(s)
- Sophia
L. Shevick
- Department
of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
- Skaggs
Graduate School of Chemical and Biological Sciences, Scripps Research, 10550
North Torrey Pines Road, La Jolla, California 92037, United States
| | - Stephan M. Freeman
- Department
of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
- Skaggs
Graduate School of Chemical and Biological Sciences, Scripps Research, 10550
North Torrey Pines Road, La Jolla, California 92037, United States
| | - Guanghu Tong
- Department
of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Robin J. Russo
- Department
of Molecular Medicine, Scripps Research, 130 Scripps Way, Jupiter, Florida 33458, United States
- Skaggs
Graduate School of Chemical and Biological Sciences, Scripps Research, 130
Scripps Way, Jupiter, Florida 33458, United States
| | - Laura M. Bohn
- Department
of Molecular Medicine, Scripps Research, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Ryan A. Shenvi
- Department
of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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Phytochemical and Biological Screening of Leaf, Bark and Fruit Extracts from Ilex dipyrena Wall. Life (Basel) 2021; 11:life11080837. [PMID: 34440580 PMCID: PMC8401985 DOI: 10.3390/life11080837] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/17/2022] Open
Abstract
The Aquifoliaceae is an important family and has been used traditionally for some time. One of the members of this family is the Ilex dipyrena wall, which itself possesses a potential medicinal importance. This plant is traditionally used for the treatment of various ailments including pain, swelling, burns, and fever. The current study was designed to screen out the antioxidant and analgesic potential of this plant and to verify its traditional uses, along with its phytochemical profile. Extracts were subjected to antioxidant, analgesic, and phytochemical analysis using DPPH, chemical-induced (acetic acid and formalin) nociception models and GC-MS analysis, respectively. The leaf, bark, and fruit extracts showed significant antioxidant activity compared to that of standard. Likewise, all the extracts demonstrated significant (p < 0.01) analgesic activity in a mice model. In acetic acid induced analgesia, the leaf, bark, and fruit extracts caused 51.64, 56.13 and 59.52% inhibition, respectively at a dose of 100 mg/kg while at 200 mg/kg it showed 83.01, 71.69 and 75.47% inhibition, respectively. In Formalin-induced paw-licking assay, fruit extract showed 59.42 and 64.19% inhibition at 200 mg/kg dose in the first and second phase, respectively. The GC-MS analysis revealed the presence of cathinone, phenylpropanolamine, dl-phenylephrine, amphetamine, myristic acid, and palmitic acid. Results of the study suggest that crude extracts from different parts of this plant may be a useful source for the development of novel analgesics. However, further investigation in terms of isolation of bioactive compounds and their toxicological evaluations are needed to validate the observed results.
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Majhi S. Diterpenoids: Natural Distribution, Semisynthesis at Room Temperature and Pharmacological Aspects‐A Decade Update. ChemistrySelect 2020. [DOI: 10.1002/slct.202002836] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Sasadhar Majhi
- Department of Chemistry (UG & PG Dept.) Triveni Devi Bhalotia College Raniganj, West Bengal 713347 India
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Zhou F, He K, Guan Y, Yang X, Chen Y, Sun M, Qiu X, Yan F, Huang H, Yao L, Liu B, Huang L. Network pharmacology-based strategy to investigate pharmacological mechanisms of Tinospora sinensis for treatment of Alzheimer's disease. JOURNAL OF ETHNOPHARMACOLOGY 2020; 259:112940. [PMID: 32389853 DOI: 10.1016/j.jep.2020.112940] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tinospora sinensis (Lour.) Merr. belongs to the family Menispermaceae. It is called LeZhe and is widely used as a kind of folk medicine especially in the Tibetan Plateau of China. T. sinensis has the functions of clearing away heat and detoxification, dispelling wind and dredging collaterals, calming and soothing the nerves. T. sinensis is an effective medicine for the prevention and treatment of aging diseases such as Alzheimer's disease (AD) in the Tibetan Plateau of China, whereas its material basis and underlying mechanisms are not clear. The aim of this study was to investigate the material basis and potential mechanisms of T. sinensis in the treatment of AD by using network pharmacology and molecular docking. MATERIALS AND METHODS In this study, targets were collected from DrugBank database, Therapeutic Target Database (TTD) and literatures reports for the treatment of AD. Compounds were searched by literatures and systematic separation from T. sinensis. The molecular docking experiment was carried out by using Autodock Vina software to screen the bioactive compounds in T. sinensis and target proteins for AD. Then, the "compound-target network" was constructed by Cytoscape software. The drug-like properties of the active compounds were analyzed by pKCSM performs, and the protein-protein interaction (PPI) network was constructed by Search Tool for the Retrieval of Interacting Genes/Proteins (STRING). The Kyoto Encyclopedia of Genes and Genomes (KEGG) target pathway enrichment analysis was carried out by Database for Annotation, Visualization and Integrated Discovery (DAVID). Furthermore, the protective effect of neurons of two active compounds were verified with the injury cell model of PC12 and primary hippocampus neurons induced by Aβ25-35. Finally, the key proteins of related pathways were quantitatively analyzed with Western blot method. RESULTS In total, 105 compounds and 38 targets have been screened. The main active compounds contained berberine, which belongs to alkaloids, Aurantiamide acetate, N-P-coumaroyltyramine, which belongs to amides, Trans-syringin and 3-demethyl-phillyrin, which belongs to phenylpropanoids. The targets covered inflammation-related proteins, including Protein kinase B (AKT), Phosphoinositide 3-kinase (PI3K), Tyrosine-protein kinase JAK1 (JAK1), mammalian target of rapamycin (mTOR), tumor necrosis factor alpha (TNF-α), Neuronal NOS (NOS1), and cholinergic function-related proteins, including α4-Nicotinic acetylcholine receptor (α4 nAChR), Muscarinic acetylcholine receptor M1 (Muscarnic M1). Inflammation and cholinergic dysfunction were the center of the network and occupy a dominant position. And the results of enrichment analysis shown the pathways mainly contained phosphoinositide-3-kinase/Akt (PI3K/Akt) signal pathway, neurotrophic factors (NTFs) signal pathway, Hypoxia-inducible factor 1 (HIF-1) signal pathway, mechanistic Target of Rapamycin (mTOR) signal pathway, Tumor necrosis factor (TNF) signal pathway, insulin resistance (IR). The results of in vitro assays showed that the tested compounds could significantly improve the survival rate and inhibit the apoptosis of PC12 cells and primary hippocampal neurons injured by Aβ25-35. Western blot results showed that T. sinensis had a significant effect on the expression of protein PI3K and Akt. CONCLUSION Our results revealed that T. sinensis could prevent and treat AD through a multi-compound-multi-target-multi-pathway regulatory network. Our work also expected to provide new ideas and theoretical bases for searching for the active compounds in T. sinensis and potential mechanism in the prevention and treatment of AD by the network pharmacology and molecular docking. The results of in vitro assay and in vivo assay supported the results of molecular docking.
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Affiliation(s)
- Feng Zhou
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Kun He
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Yang Guan
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Xiyang Yang
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Yaohui Chen
- Jiang Xi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, 330006, PR China
| | - Mengsheng Sun
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Xiaopeng Qiu
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Feixia Yan
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China
| | - Huilian Huang
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, PR China
| | - Lihua Yao
- School of Life Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, PR China
| | - Bo Liu
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China.
| | - Liping Huang
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330004, PR China.
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Lautié E, Russo O, Ducrot P, Boutin JA. Unraveling Plant Natural Chemical Diversity for Drug Discovery Purposes. Front Pharmacol 2020; 11:397. [PMID: 32317969 PMCID: PMC7154113 DOI: 10.3389/fphar.2020.00397] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 03/16/2020] [Indexed: 12/11/2022] Open
Abstract
The screening and testing of extracts against a variety of pharmacological targets in order to benefit from the immense natural chemical diversity is a concern in many laboratories worldwide. And several successes have been recorded in finding new actives in natural products, some of which have become new drugs or new sources of inspiration for drugs. But in view of the vast amount of research on the subject, it is surprising that not more drug candidates were found. In our view, it is fundamental to reflect upon the approaches of such drug discovery programs and the technical processes that are used, along with their inherent difficulties and biases. Based on an extensive survey of recent publications, we discuss the origin and the variety of natural chemical diversity as well as the strategies to having the potential to embrace this diversity. It seemed to us that some of the difficulties of the area could be related with the technical approaches that are used, so the present review begins with synthetizing some of the more used discovery strategies, exemplifying some key points, in order to address some of their limitations. It appears that one of the challenges of natural product-based drug discovery programs should be an easier access to renewable sources of plant-derived products. Maximizing the use of the data together with the exploration of chemical diversity while working on reasonable supply of natural product-based entities could be a way to answer this challenge. We suggested alternative ways to access and explore part of this chemical diversity with in vitro cultures. We also reinforced how important it was organizing and making available this worldwide knowledge in an "inventory" of natural products and their sources. And finally, we focused on strategies based on synthetic biology and syntheses that allow reaching industrial scale supply. Approaches based on the opportunities lying in untapped natural plant chemical diversity are also considered.
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Affiliation(s)
- Emmanuelle Lautié
- Centro de Valorização de Compostos Bioativos da Amazônia (CVACBA)-Instituto de Ciências Biológicas, Universidade Federal do Pará (UFPA), Belém, Brazil
| | - Olivier Russo
- Institut de Recherches Internationales SERVIER, Suresnes, France
| | - Pierre Ducrot
- Molecular Modelling Department, 'PEX Biotechnologie, Chimie & Biologie, Institut de Recherches SERVIER, Croissy-sur-Seine, France
| | - Jean A Boutin
- Institut de Recherches Internationales SERVIER, Suresnes, France
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Abstract
This paper is the fortieth consecutive installment of the annual anthological review of research concerning the endogenous opioid system, summarizing articles published during 2017 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides and receptors as well as effects of opioid/opiate agonists and antagonists. The review is subdivided into the following specific topics: molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors (1), the roles of these opioid peptides and receptors in pain and analgesia in animals (2) and humans (3), opioid-sensitive and opioid-insensitive effects of nonopioid analgesics (4), opioid peptide and receptor involvement in tolerance and dependence (5), stress and social status (6), learning and memory (7), eating and drinking (8), drug abuse and alcohol (9), sexual activity and hormones, pregnancy, development and endocrinology (10), mental illness and mood (11), seizures and neurologic disorders (12), electrical-related activity and neurophysiology (13), general activity and locomotion (14), gastrointestinal, renal and hepatic functions (15), cardiovascular responses (16), respiration and thermoregulation (17), and immunological responses (18).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, CUNY, 65-30 Kissena Blvd., Flushing, NY, 11367, United States.
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11
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Castiñeira Reis M, López CS, Nieto Faza O, Tantillo DJ. Pushing the limits of concertedness. A waltz of wandering carbocations. Chem Sci 2019; 10:2159-2170. [PMID: 30881640 PMCID: PMC6385557 DOI: 10.1039/c8sc03567a] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 12/10/2018] [Indexed: 12/21/2022] Open
Abstract
Among the array of complex terpene-forming carbocation cyclization/rearrangement reactions, the so-called "triple shift" reactions are among the most unexpected. Such reactions involve the asynchronous combination of three 1,n-shifts into a concerted process, e.g., a 1,2-alkyl shift followed by a 1,3-hydride shift followed by a second 1,2-alkyl shift. This type of reaction so far has been proposed to occur during the biosynthesis of diterpenes and the sidechains of sterols. Here we describe efforts to push the limits of concertedness in this type of carbocation reaction by designing, and characterizing with quantum chemical computations, systems that could couple additional 1,n-shift events to a triple shift leading, in principle to quadruple, pentuple, etc. shifts. While our designs did not lead to clear-cut examples of quadruple, etc. shifts, they did lead to reactions with surprisingly flat energy surfaces where more than five chemical events connect reactants and plausible products. Ab initio molecular dynamics simulations demonstrate that the formal minima on these surfaces interchange on short timescales, both with each other and with additional unexpected structures, allowing us a glimpse into a very complex manifold that allows ready access to great structural diversity.
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Affiliation(s)
- Marta Castiñeira Reis
- Departamento de Química Orgánica , Universidade de Vigo , Lagoas-Marcosende , 36310 , Vigo , Spain
| | - Carlos Silva López
- Departamento de Química Orgánica , Universidade de Vigo , Lagoas-Marcosende , 36310 , Vigo , Spain
| | - Olalla Nieto Faza
- Departamento de Química Orgánica , Universidade de Vigo , As Lagoas , 32004 , Ourense , Spain .
| | - Dean J Tantillo
- Department of Chemistry , University of California , One Shields Ave , Davis , CA 95616 , USA .
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Hanson JR, Nichols T, Mukhrish Y, Bagley MC. Diterpenoids of terrestrial origin. Nat Prod Rep 2019; 36:1499-1512. [DOI: 10.1039/c8np00079d] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review covers the isolation and chemistry of diterpenoids from terrestrial sources from 2017.
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Affiliation(s)
- James R. Hanson
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
| | - Tyler Nichols
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
| | - Yousef Mukhrish
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
| | - Mark C. Bagley
- Department of Chemistry
- School of Life Sciences
- University of Sussex
- East Sussex
- UK
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