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Bai C, Wang J, Wang Y, Liu H, Li J, Wang S, Bai Z, Guo R. Exploration of the mechanism of Traditional Chinese Medicine for anxiety and depression in patients with diarrheal irritable bowel syndrome based on network pharmacology and meta-analysis. Front Pharmacol 2024; 15:1404738. [PMID: 38835657 PMCID: PMC11148253 DOI: 10.3389/fphar.2024.1404738] [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: 03/21/2024] [Accepted: 04/26/2024] [Indexed: 06/06/2024] Open
Abstract
Background The efficacy of Chinese herbal medicine (CHM) in managing irritable bowel syndrome with diarrhea (IBS-D) accompanied by anxiety and depression remains uncertain. Thus, a systematic review was carried out employing meta-analysis and network pharmacology to ascertain the efficacy and underlying mechanisms of CHM therapy. Methods By conducting a systematic review, including literature search, screening, and data extraction, we identified 25 randomized controlled trials to assess CHM's effectiveness in treating irritable bowel syndrome alongside anxiety and depression. Network pharmacology was utilized to scrutinize the metabolite utility of CHM in addressing this condition. Potential primary mechanisms were synthesized using information sourced from the PubMed database. Results Twenty-five studies, including 2055 patients, were analyzed, revealing significant treatment efficacy for IBS-D in the trial group compared to controls [OR = 4.01, 95% CI (2.99, 5.36), I2 = 0%] Additionally, treatment for depression [SMD = -1.08, 95% CI (-1.30, -0.86), p < 0.00001, I2 = 68%; SDS: SMD = -1.69, 95% CI (-2.48, -0.90), p < 0.0001, I2 = 96%] and anxiety [HAMA: SMD = -1.29, 95% CI (-1.68, -0.91), p < 0.00001, I2 = 89%; SAS: SMD = -1.75, 95% CI (-2.55, -0.95), p < 0.00001, I2 = 96%] significantly improved in the trial group. Furthermore, the trial group exhibited a significantly lower disease relapse rate [OR = 0.30, 95% CI (0.20, 0.44), p < 0.00001, I2 = 0%]. CHM treatment consistently improved IBS severity (IBS-SSS) and symptom scores. Network pharmacology analysis identified key chemical metabolites in traditional Chinese medicine formulations, including Beta-sitosterol, Stigmasterol, Quercetin, Naringenin, Luteolin, Kaempferol, Nobiletin, Wogonin, Formononetin, and Isorhamnetin. Utilizing the STRING database and Cytoscape v3.9.0 software, a protein-protein interaction (PPI) network revealed the top eight key targets: IL-6, TNF, PPARG, PTGS2, ESR1, NOS3, MAPK8, and AKT1, implicated in anti-inflammatory responses, antioxidant stress modulation, and neurotransmitter homeostasis maintenance. Conclusion Chinese Herbal Medicine (CHM) offers a promising and safe treatment approach for patients dealing with Diarrheal Irritable Bowel Syndrome (IBS-D) accompanied by anxiety and depression; thus, indicating its potential for practical implementation. The most active metabolites of CHM could simultaneously act on the pathological targets of IBS-D, anxiety, and depression.The diverse scope of CHM's therapeutic role includes various aspects and objectives, underscoring its potential for broad utilization.
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Affiliation(s)
- Chen Bai
- Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Junyi Wang
- Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yifan Wang
- Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Haoqi Liu
- Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jiaxiu Li
- Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Siyi Wang
- Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Zhen Bai
- Department of Medical Equipment, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Rongjuan Guo
- Psychosomatic Department, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
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Wlaź P, Wiater A, Majewska M, Wyska E, Grąz M, Śliwa-Dominiak J, Gapińska N, Socała K. Effect of dietary supplementation with Lactobacillus helveticus R0052 on seizure thresholds and antiseizure potency of sodium valproate in mice. Psychopharmacology (Berl) 2024; 241:327-340. [PMID: 37966492 PMCID: PMC10805985 DOI: 10.1007/s00213-023-06489-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/20/2023] [Indexed: 11/16/2023]
Abstract
OBJECTIVE Both animal and human studies, though limited, showed that multi-strain probiotic supplementation may reduce the number of seizures and/or seizure severity. Here, we evaluated the effect of a single strain probiotic supplementation on seizure susceptibility, antiseizure efficacy of sodium valproate, and several behavioral parameters in mice. METHODS Lactobacillus helveticus R0052 was given orally for 28 days. Its influence on seizure thresholds was evaluated in the ivPTZ- and electrically-induced seizure tests. The effect on the antiseizure potency of valproate was assessed in the scPTZ test. We also investigated the effects of probiotic supplementation on anxiety-related behavior (in the elevated plus maze and light/dark box tests), motor coordination (in the accelerating rotarod test), neuromuscular strength (in the grip-strength test), and spontaneous locomotor activity. Serum and brain concentrations of valproate as well as cecal contents of SCFAs and lactate were determined using HPLC method. RESULTS L. helveticus R0052 significantly increased the threshold for the 6 Hz-induced psychomotor seizure. There was also a slight increase in the threshold for myoclonic and clonic seizure in the ivPTZ test. L. helveticus R0052 did not affect the threshold for tonic seizures both in the maximal electroshock- and ivPTZ-induced seizure tests. No changes in the antiseizure potency of valproate against the PTZ-induced seizures were reported. Interestingly, L. helveticus R0052 increased valproate concentration in serum, but not in the brain. Moreover, L. helveticus R0052 did not produce any significant effects on anxiety-related behavior, motor coordination, neuromuscular strength, and locomotor activity. L. helveticus R0052 supplementation resulted in increased concentrations of total SCFAs, acetate, and butyrate. CONCLUSIONS Altogether, this study shows that a single-strain probiotic - L. helveticus R0052 may decrease seizure susceptibility and this effect can be mediated, at least in part, by increased production of SCFAs. In addition, L. helveticus R0052 may affect bioavailability of valproate, which warrants further investigations.
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Affiliation(s)
- Piotr Wlaź
- Department of Animal Physiology and Pharmacology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Adrian Wiater
- Department of Industrial and Environmental Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Małgorzata Majewska
- Department of Industrial and Environmental Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Jagiellonian University Medical College, Medyczna 9, PL 30-688, Kraków, Poland
| | - Marcin Grąz
- Department of Biochemistry and Biotechnology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Joanna Śliwa-Dominiak
- R&D and Scientific Department, Sanprobi Sp. z o.o Sp.k., Quality Control and Microbiology Laboratory, Kurza Stopka 5/C, PL 70-535, Szczecin, Poland
| | - Nikola Gapińska
- Department of Animal Physiology and Pharmacology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland
| | - Katarzyna Socała
- Department of Animal Physiology and Pharmacology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL 20-033, Lublin, Poland.
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Andrei C, Zanfirescu A, Nițulescu GM, Olaru OT, Negreș S. Natural Active Ingredients and TRPV1 Modulation: Focus on Key Chemical Moieties Involved in Ligand-Target Interaction. PLANTS (BASEL, SWITZERLAND) 2023; 12:339. [PMID: 36679051 PMCID: PMC9860573 DOI: 10.3390/plants12020339] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/06/2023] [Accepted: 01/08/2023] [Indexed: 06/17/2023]
Abstract
Diseases such as cancer, neurological pathologies and chronic pain represent currently unmet needs. The existing pharmacotherapeutic options available for treating these conditions are limited by lack of efficiency and/or side effects. Transient receptor potential vanilloid 1 ion channel emerged as an attractive therapeutic target for developing new analgesic, anti-cancer and antiepileptic agents. Furthermore, various natural ingredients were shown to have affinity for this receptor. The aim of this narrative review was to summarize the diverse natural scaffolds of TRPV1 modulators based on their agonistic/antagonistic properties and to analyze the structure-activity relationships between the ligands and molecular targets based on the results of the existing molecular docking, mutagenesis and in vitro studies. We present here an exhaustive collection of TRPV1 modulators grouped by relevant chemical features: vanilloids, guaiacols, phenols, alkylbenzenes, monoterpenes, sesquiterpenoids, alkaloids, etc. The information herein is useful for understanding the key structural elements mediating the interaction with TRPV1 and how their structural variation impacts the interaction between the ligand and receptor. We hope this data will contribute to the design of novel effective and safe TRPV1 modulators, to help overcome the lack of effective therapeutic agents against pathologies with high morbidity and mortality.
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Kabra A, Garg R, Brimson J, Živković J, Almawash S, Ayaz M, Nawaz A, Hassan SSU, Bungau S. Mechanistic insights into the role of plant polyphenols and their nano-formulations in the management of depression. Front Pharmacol 2022; 13:1046599. [PMID: 36419621 PMCID: PMC9676275 DOI: 10.3389/fphar.2022.1046599] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/24/2022] [Indexed: 01/07/2024] Open
Abstract
Depression is a condition characterized by low mood and an aversion to activity, that causes behavioral problems, poor quality of life and limits daily life activities. It is considered as the fourth leading cause of disability worldwide. Selective Serotonin Reuptake Inhibitors (SSRIs) Monoamine Oxidase (MAO) inhibitors, Tricyclic Antidepressants (TCAs), and atypical antidepressants are some of the conventional medications used to treat depression. However, only about half of patients with major depressive disorder (MDD) respond effectively to first-line antidepressant therapy. Additionally, there are a number of drawbacks to standard antidepressants, such as anti-cholinergic side effects, drug-drug interactions, and food-drug interactions, which prompts researchers to look at alternative approaches to the treatment of depression. Medicinal plants and their metabolites are extensively tested for their efficacy against depression. Electronic databases such as Google scholar, Science Direct, SciFinder and PubMed were used to search relevant literature on the role of polyphenols in depression. Plants-derived Polyphenols represent a major class of compounds extensively distributed in plants. Number of polyphenols have demonstrated antidepressant activity, among which berberine, piperine, curcumin, naringenin, ascorbic acid and ginsenosides are extensively evaluated. The medicinal plants and their derived compounds mediated synthesized green nanoparticles have also exhibited considerable efficacy in the management of depression. The therapeutic effects of these phytochemicals is mediated via differentiation and inhibition of neuronal cell apoptosis, promotion of neuronal cell survival and modulation of key neurotransmitters. The aim of this study is to review compressively the chemical, pharmacological and neurological evidence showing the potential of polyphenols in depression.
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Affiliation(s)
- Atul Kabra
- University Institute of Pharma Sciences, Chandigarh University, Mohali, Punjab, India
| | - Ruchika Garg
- University School of Pharmaceutical Sciences, Rayat Bhara University, Mohali, Punjab, India
| | - James Brimson
- Natural Products for Neuroprotection and Anti-Ageing Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Jelena Živković
- Department for Pharmaceutical Research and Development, Institute for Medicinal Plants Research “Dr. Josif Pančić”, Belgrade, Serbia
| | - Saud Almawash
- Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Shaqra, Saudi Arabia
| | - Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Pakistan
| | - Asif Nawaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Pakistan
| | - Syed Shams Ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
- Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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Neuwirth LS, Verrengia MT, Harikinish-Murrary ZI, Orens JE, Lopez OE. Under or Absent Reporting of Light Stimuli in Testing of Anxiety-Like Behaviors in Rodents: The Need for Standardization. Front Mol Neurosci 2022; 15:912146. [PMID: 36061362 PMCID: PMC9428565 DOI: 10.3389/fnmol.2022.912146] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/21/2022] [Indexed: 11/17/2022] Open
Abstract
Behavioral neuroscience tests such as the Light/Dark Test, the Open Field Test, the Elevated Plus Maze Test, and the Three Chamber Social Interaction Test have become both essential and widely used behavioral tests for transgenic and pre-clinical models for drug screening and testing. However, as fast as the field has evolved and the contemporaneous involvement of technology, little assessment of the literature has been done to ensure that these behavioral neuroscience tests that are crucial to pre-clinical testing have well-controlled ethological motivation by the use of lighting (i.e., Lux). In the present review paper, N = 420 manuscripts were examined from 2015 to 2019 as a sample set (i.e., n = ~20–22 publications per year) and it was found that only a meager n = 50 publications (i.e., 11.9% of the publications sampled) met the criteria for proper anxiogenic and anxiolytic Lux reported. These findings illustrate a serious concern that behavioral neuroscience papers are not being vetted properly at the journal review level and are being released into the literature and public domain making it difficult to assess the quality of the science being reported. This creates a real need for standardizing the use of Lux in all publications on behavioral neuroscience techniques within the field to ensure that contributions are meaningful, avoid unnecessary duplication, and ultimately would serve to create a more efficient process within the pre-clinical screening/testing for drugs that serve as anxiolytic compounds that would prove more useful than what prior decades of work have produced. It is suggested that improving the standardization of the use and reporting of Lux in behavioral neuroscience tests and the standardization of peer-review processes overseeing the proper documentation of these methodological approaches in manuscripts could serve to advance pre-clinical testing for effective anxiolytic drugs. This report serves to highlight this concern and proposes strategies to proactively remedy them as the field moves forward for decades to come.
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Affiliation(s)
- Lorenz S. Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, United States
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, United States
- *Correspondence: Lorenz S. Neuwirth
| | - Michael T. Verrengia
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, United States
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, United States
| | - Zachary I. Harikinish-Murrary
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, United States
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, United States
| | - Jessica E. Orens
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, United States
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, United States
| | - Oscar E. Lopez
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, United States
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, United States
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Majeed M, Ahmad F, Mundkur L, Appian S. Pharmacology of α-spinasterol, a phytosterol with nutraceutical values: A review. Phytother Res 2022; 36:3681-3690. [PMID: 35802356 DOI: 10.1002/ptr.7560] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 05/04/2022] [Accepted: 06/20/2022] [Indexed: 01/31/2023]
Abstract
α-Spinasterol is a phytosterol found in various edible and non-edible plant sources. The edible plant materials containing α-spinasterol include spinach leaves, cucumber fruits, seeds of pumpkin and watermelon, argan seed oil, cactus pear seed oil and Amaranthus sp. It is a bioavailable nutraceutical, and it can cross the blood-brain barrier. It possesses several important pharmacological properties such as anti-diabetes mellitus, antiinflammation, hypolipidemic, antiulcer, neuroprotection, anti-pain and antitumour activities. For this review, literature search was made focusing on the pharmacological properties of α-spinasterol using PubMed and Google Scholar data bases. Recent studies show the promising antidiabetic properties of α-spinasterol. Its anti-diabetic mechanisms include enhancement of insulin secretion, reduction in insulin resistance, anti-diabetic nephropathy, increase in glucose uptake in muscle cells and inhibition of glucose absorption from intestine. Besides, it is a safe antiinflammatory agent, and its antiinflammatory mechanisms include inhibition of cyclooxygenases, antagonism of TRPV1 receptor and attenuation of proinflammatory cytokines and mediators. It is a promising and safe nutraceutical molecule for human health care. Food supplements, value-added products and nutraceutical formulations can be developed with α-spinasterol for the management of diabetes, chronic inflammatory diseases and improving general health. This review provides all scattered pharmacological studies on α-spinasterol in one place and highlights its immense value for human health care.
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Affiliation(s)
- Muhammed Majeed
- Research and development, Sami-Sabinsa Group Limited, Bangalore, Karnataka, India
| | - Furkan Ahmad
- Phytochemistry, Research and Development, Sami-Sabinsa Group Limited, Bangalore, Karnataka, India
| | - Lakshmi Mundkur
- Biological Research, Research and Development, Sami-Sabinsa Group Limited, Bangalore, Karnataka, India
| | - Subramoniam Appian
- Phytochemistry, Research and Development, Sami-Sabinsa Group Limited, Bangalore, Karnataka, India
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Luo W, Wu B, Tang L, Li G, Chen H, Yin X. Recent research progress of Cirsium medicinal plants in China. JOURNAL OF ETHNOPHARMACOLOGY 2021; 280:114475. [PMID: 34363929 DOI: 10.1016/j.jep.2021.114475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 07/16/2021] [Accepted: 07/29/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The species of the genus Cirsium have been used as traditional Chinese medicine for hundreds of years. It is believed that Cirsium has the efficacies of cooling blood and stopping bleeding, dispelling blood stasis, detoxifying and eliminating carbuncle. At present, they are mainly used in treatment of the hemoptysis, hematemesis, hemoptysis, hematuria, traumatic bleeding and Henoch-Schonlein purpura. They are widely used in traditional Chinese medicine. AIM This paper systematically collated the classification, traditional use, pharmacological action, phytochemistry and clinical application of Cirsium plants in the past ten years, intending to provide a critical appraisal of current knowledge for future in-depth study and rational development and utilization of Cirsium plants. MATERIAL AND METHODS This paper searched various databases (SciFinder, Science Direct, CNKI, Wiley online library, Spring Link, Web of Science, PubMed, Wanfang Data, Weipu Data), Chinese Pharmacopoeia 2020 Edition, Chinese Flora, Chinese Materia Medica and some local books on ethnopharmacology. RESULTS More than ten species of Cirsium have been used as folk medicine, and modern pharmacological studies have shown that Cirsium has the effects of protecting liver, antioxidation, anti-tumor, anti-inflammation, antibacterial, etc. More than 200 chemical constituents such as flavonoids, triterpenes, sterols, phenylpropanoids have been isolated from Cirsium. Some ingredients show a wide variety of bioactivities including hepatoprotective, anti-inflammatory, antioxidant, anti-tumor and other activities. At present, Cirsium medicinal plants, as traditional Chinese medicine, were mainly used to treat nephritis, Henoch-Schonlein purpura and hemorrhage, although some species used in folk lack of quality control systems. CONCLUSION Cirsium plants are a safe and effective medicine for cooling blood and hemostasis. Recent studies on pharmacology and phytochemistry also provide solid scientific evidences for the traditional application of this genus. It also shows significant hepatoprotective activity and may be a potential clinical candidate for the treatment of liver disease. However, the qualitative and quantitative analysis, pharmacokinetics-pharmacodynamics and mechanism of action also need in-depth study.
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Affiliation(s)
- Wei Luo
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Bei Wu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Liangjie Tang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Guoyou Li
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Hulan Chen
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Xuemei Yin
- College of Pharmacy, Southwest Minzu University, Chengdu, 610041, China.
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Wilhelm EA, Soares PS, Reis AS, Motta KP, Lemos BB, Domingues WB, Blödorn EB, Araujo DR, Barcellos AM, Perin G, Soares MP, Campos VF, Luchese C. Se-[(2,2-Dimethyl-1,3-dioxolan-4-yl)methyl] 4-Chlorobenzoselenolate Attenuates Inflammatory Response, Nociception, and Affective Disorders Related to Rheumatoid Arthritis in Mice. ACS Chem Neurosci 2021; 12:3760-3771. [PMID: 34553902 DOI: 10.1021/acschemneuro.1c00512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Despite major advances, not all patients achieve rheumatoid arthritis (RA) remission, thus highlighting a pressing need for new therapeutic treatments. Given this scenario, this study sought to evaluate Se-[(2,2-dimethyl-1,3-dioxolan-4-yl)methyl] 4-chlorobenzoselenolate (Se-DMC) potential on a complete Freund's adjuvant (CFA)-induced unilateral arthritis model. The effects of Se-DMC (5 mg/kg; oral dose) and meloxicam (5 mg/kg; oral dose), both administered to animals daily for 14 days, on paw edema, mechanical sensitivity, neurobehavioral deficits (anxiogenic- and depressive-like behaviors), Na+/K+-ATPase activity, oxidative stress, and inflammation were evaluated in male Swiss mice exposed to CFA (intraplantar injection of 0.1 mL; 10 mg/mL). Se-DMC reduced the paw withdrawal threshold and CFA-induced paw edema. Histopathological results revealed the antiedematogenic potential of the compound, which was evidenced by lower quantities of dilated lymphatic vessels compared with the CFA group. Se-DMC reduced mRNA relative expression levels of tumor necrosis factor-α (TNF-α) and nuclear factor-κB (NF-κB) in the hippocampus and paw of CFA mice. The CFA-induced anxiogenic- and depressive-like behaviors were reversed by Se-DMC to the control levels in the elevated plus-maze and tail suspension tests. Se-DMC reduced the paw reactive species levels and restored the superoxide dismutase (hippocampus and paw) and Na+/K+-ATPase (hippocampus) activities previously increased by CFA. Moreover, CFA administration inhibited serum creatinine kinase activity, albeit the Se-DMC effects did not appear to involve the modulation of this enzyme and were equal to or greater than meloxicam. Se-DMC attenuates CFA-induced inflammatory response, nociception, and neurobehavioral deficits in mice.
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Affiliation(s)
- Ethel A. Wilhelm
- Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
| | - Paola S. Soares
- Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
| | - Angélica S. Reis
- Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
| | - Ketlyn P. Motta
- Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
| | - Briana B. Lemos
- Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
| | - William B. Domingues
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Genômica Estrutural, Biotecnologia, Universidade Federal de Pelotas, UFPel, Campus Capão do Leão, Pelotas 96010-900, RS, Brazil
| | - Eduardo B. Blödorn
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Genômica Estrutural, Biotecnologia, Universidade Federal de Pelotas, UFPel, Campus Capão do Leão, Pelotas 96010-900, RS, Brazil
| | - Daniela R. Araujo
- Laboratório de Síntese Orgânica Limpa, CCQFA, Universidade Federal de Pelotas—UFPel, Pelotas 96010-900, Brazil
| | - Angelita M. Barcellos
- Laboratório de Síntese Orgânica Limpa, CCQFA, Universidade Federal de Pelotas—UFPel, Pelotas 96010-900, Brazil
| | - Gelson Perin
- Laboratório de Síntese Orgânica Limpa, CCQFA, Universidade Federal de Pelotas—UFPel, Pelotas 96010-900, Brazil
| | - Mauro P. Soares
- Laboratório Regional de Diagnóstico, Faculdade de Veterinária, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
| | - Vinicius F. Campos
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Genômica Estrutural, Biotecnologia, Universidade Federal de Pelotas, UFPel, Campus Capão do Leão, Pelotas 96010-900, RS, Brazil
| | - Cristiane Luchese
- Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA, Universidade Federal de Pelotas, UFPel, Pelotas 96010-900, Brazil
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Medicinal properties and anti-inflammatory components of Phytolacca (Shanglu). DIGITAL CHINESE MEDICINE 2021. [DOI: 10.1016/j.dcmed.2021.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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10
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Maltsev DV, Spasov AA, Yakovlev DS, Vassiliev PM, Skripka MO, Miroshnikov MV, Sultanova KT, Kochetkov AN, Divaeva LN, Kuzmenko TA, Morkovnik AS. Searching for new anxiolytic agents among derivatives of 11-dialkylaminoethyl-2,3,4,5-tetrahydrodiazepino[1,2-a]benzimidazole. Eur J Pharm Sci 2021; 161:105792. [PMID: 33705965 DOI: 10.1016/j.ejps.2021.105792] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/27/2021] [Accepted: 03/03/2021] [Indexed: 12/14/2022]
Abstract
A study on the anxiolytic activity of the new derivatives of 11-dialkylaminoethyl-2,3,4,5-tetrahydrodiazepino[1,2-a]benzimidazole, containing privileged scaffolds of benzodiazepine and benzimidazole in their structure, was conducted. The cytotoxic properties of low levels of six compounds were preliminary determined in vitro using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide test. The screening of these substances for anxiolytic activity was conducted using elevated plus maze (EPM) test in vivo, and DAB-21 was found to be the most active compound. The acute toxicity of DAB-21 was determined as less toxic than that of diazepam. The dose-dependent effect of the most active compound revealed a minimum dose of 1.26 mg/kg, which resulted in the maximum counterphobic effect. The effect of DAB-21 was superior in a number of tests compared with that of diazepam, which indicated a high level of tranquilizing activity for DAB-21. The results of in silico docking analysis suggest that DAB-21 should have a slightly lower anxiolytic activity than diazepam, but should exhibit greater specific affinity for the benzodiazepine site of the GABAA receptor, in comparison with its GABA-binding site. The interaction between DAB-21 and flumazenil in terms of EPM verifies the GABAergic mechanism of action of DAB-21. Our results highlight the potential of 11-dialkylaminomethyl-2,3,4,5-tetrahydrodiazepino[1,2-a]benzimidazoles as promising compounds in the search for new highly effective anxiolytics.
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Affiliation(s)
- Dmitriy V Maltsev
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia.
| | - Alexander A Spasov
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Dmitriy S Yakovlev
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Pavel M Vassiliev
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Maria O Skripka
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Mikhail V Miroshnikov
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Kira T Sultanova
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Andrey N Kochetkov
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Lyudmila N Divaeva
- Southern Federal University, Research Institute of Physical and Organic Chemistry; 105/42 Bolshaya Sadovaya str., Rostov-on-Don, Russia
| | - Tatyana A Kuzmenko
- Southern Federal University, Research Institute of Physical and Organic Chemistry; 105/42 Bolshaya Sadovaya str., Rostov-on-Don, Russia
| | - Anatolii S Morkovnik
- Southern Federal University, Research Institute of Physical and Organic Chemistry; 105/42 Bolshaya Sadovaya str., Rostov-on-Don, Russia
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Kim J, Lee S, Kim J, Ham S, Park JHY, Han S, Jung YK, Shim I, Han JS, Lee KW, Kim J. Ca2+-permeable TRPV1 pain receptor knockout rescues memory deficits and reduces amyloid-β and tau in a mouse model of Alzheimer's disease. Hum Mol Genet 2020; 29:228-237. [PMID: 31814000 DOI: 10.1093/hmg/ddz276] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 10/14/2019] [Accepted: 11/11/2019] [Indexed: 01/31/2023] Open
Abstract
The transient receptor potential vanilloid 1 (TRPV1) protein is a pain receptor that elicits a hot sensation when an organism eats the capsaicin of red chili peppers. This calcium (Ca2+)-permeable cation channel is mostly expressed in the peripheral nervous system sensory neurons but also in the central nervous system (e.g. hippocampus and cortex). Preclinical studies found that TRPV1 mediates behaviors associated with anxiety and depression. Loss of TRPV1 functionality increases expression of genes related to synaptic plasticity and neurogenesis. Thus, we hypothesized that TRPV1 deficiency may modulate Alzheimer's disease (AD). We generated a triple-transgenic AD mouse model (3xTg-AD+/+) with wild-type (TRPV1+/+), hetero (TRPV1+/-) and knockout (TRPV1-/-) TRPV1 to investigate the role of TRPV1 in AD pathogenesis. We analyzed the animals' memory function, hippocampal Ca2+ levels and amyloid-β (Aβ) and tau pathologies when they were 12 months old. We found that compared with 3xTg-AD-/-/TRPV1+/+ mice, 3xTg-AD+/+/TRPV1+/+ mice had memory impairment and increased levels of hippocampal Ca2+, Aβ and total and phosphorylated tau. However, 3xTg-AD+/+/TRPV1-/- mice had better memory function and lower levels of hippocampal Ca2+, Aβ, tau and p-tau, compared with 3xTg-AD+/+/TRPV1+/+ mice. Examination of 3xTg-AD-derived primary neuronal cultures revealed that the intracellular Ca2+ chelator BAPTA/AM and the TRPV1 antagonist capsazepine decreased the production of Aβ, tau and p-tau. Taken together, these results suggested that TRPV1 deficiency had anti-AD effects and promoted resilience to memory loss. These findings suggest that drugs or food components that modulate TRPV1 could be exploited as therapeutics to prevent or treat AD.
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Affiliation(s)
- Juyong Kim
- Department of Agricultural Biotechnology, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Siyoung Lee
- Department of Agricultural Biotechnology, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jaekyoon Kim
- Department of Agricultural Biotechnology, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Sangwoo Ham
- Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Gyeonggi-do 16419, Republic of Korea
| | - Jung Han Yoon Park
- Center for Food and Bioconvergence, College of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Seungbong Han
- Department of Applied Statistics, Gachon University, Seongnam, Gyeonggi-do 13120, Republic of Korea
| | - Yong-Keun Jung
- School of Biological Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Insop Shim
- Department of Physiology, College of Medicine, Kyung Hee University, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Jung-Soo Han
- Department of Biological Sciences, Konkuk University, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Ki Won Lee
- Department of Agricultural Biotechnology, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea.,Center for Food and Bioconvergence, College of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jiyoung Kim
- Center for Food and Bioconvergence, College of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
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Escelsior A, Sterlini B, Murri MB, Serafini G, Aguglia A, da Silva BP, Corradi A, Valente P, Amore M. Red-hot chili receptors: A systematic review of TRPV1 antagonism in animal models of psychiatric disorders and addiction. Behav Brain Res 2020; 393:112734. [DOI: 10.1016/j.bbr.2020.112734] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 05/19/2020] [Accepted: 05/22/2020] [Indexed: 12/17/2022]
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13
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Eriodictyol produces antidepressant-like effects and ameliorates cognitive impairments induced by chronic stress. Neuroreport 2020; 31:1111-1120. [DOI: 10.1097/wnr.0000000000001525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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14
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Reis AS, Paltian JJ, Domingues WB, Costa GP, Alves D, Giongo JL, Campos VF, Luchese C, Wilhelm EA. Pharmacological modulation of Na +, K +-ATPase as a potential target for OXA-induced neurotoxicity: Correlation between anxiety and cognitive decline and beneficial effects of 7-chloro-4-(phenylselanyl) quinoline. Brain Res Bull 2020; 162:282-290. [PMID: 32628972 DOI: 10.1016/j.brainresbull.2020.06.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/21/2020] [Accepted: 06/29/2020] [Indexed: 01/04/2023]
Abstract
Growing evidence demonstrates that Oxaliplatin (OXA) is commonly associated with neurotoxicity that leads to emotional and cognitive impairments. The aim of the present study was to evaluate the OXA and Na+, K+-ATPase interaction and to correlate anxious behavior and cognitive impairment induced by this chemotherapeutic in Swiss mice. Also, considering the pharmacological modulation of Na+, K+-ATPase as a potential target for OXA-induced neurotoxicity, the therapeutic potential of 7-chloro-4-(phenylselanyl) quinoline (4-PSQ) was evaluated. Mice received OXA (10 mg kg-1) or vehicle by intraperitoneal route (days 0 and 2). Oral administration of 4-PSQ (1 mg kg-1) or vehicle was performed from days 2-14. Behavioral tasks started from day 12 onwards. On day 15, the animals were sacrificed, and the tissues collected. The effects of OXA and 4-PSQ on activity and expression level of Na+, K+-ATPase in the hippocampus and cerebral cortex, and the plasmatic corticosterone levels were determined. The findings demonstrated a significant positive correlation between anxious behavior and cognitive impairment induced by OXA. OXA caused an increase on the plasmatic corticosterone levels and reduced activity and expression level of Na+, K+-ATPase. 4-PSQ reduced both anxious behavior and cognitive impairment induced by OXA. 4-PSQ effect seems to be due to the modulation of Na+, K+-ATPase and reduction of corticosterone levels. Our results helped to expand knowledge about the mechanisms involved in the physiopathology of the OXA-induced neurotoxicity and strongly indicated that 4-PSQ may be a good prototype for the treatment of anxious behavior and cognitive impairment induced by OXA exposure.
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Affiliation(s)
- Angélica S Reis
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil
| | - Jaini J Paltian
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil
| | - William B Domingues
- Programa de Pós-graduação em Biotecnologia, Laboratório de Genômica Estrutural, Biotecnologia - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil
| | - Gabriel P Costa
- Programa de Pós-graduação em Química, Laboratório de Síntese Orgânica Limpa, CCQFA - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil
| | - Diego Alves
- Programa de Pós-graduação em Química, Laboratório de Síntese Orgânica Limpa, CCQFA - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil
| | - Janice L Giongo
- Pharmacy Department, Faculdade Anhanguera - CEP - 96055000, Pelotas, RS, Brazil
| | - Vinicius F Campos
- Programa de Pós-graduação em Biotecnologia, Laboratório de Genômica Estrutural, Biotecnologia - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil
| | - Cristiane Luchese
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil.
| | - Ethel A Wilhelm
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, CCQFA - Universidade Federal de Pelotas, UFPel - CEP, 96010-900, Pelotas, RS, Brazil.
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Synergistic antidepressant-like effect of capsaicin and citalopram reduces the side effects of citalopram on anxiety and working memory in rats. Psychopharmacology (Berl) 2020; 237:2173-2185. [PMID: 32388621 DOI: 10.1007/s00213-020-05528-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 04/16/2020] [Indexed: 12/20/2022]
Abstract
RATIONALE We have previously shown that in rats, capsaicin (Cap) has antidepressant-like properties when assessed using the forced swimming test (FST) and that a sub-threshold dose of amitriptyline potentiates the effects of Cap. However, synergistic antidepressant-like effects of the joint administration of Cap and the selective serotonin reuptake inhibitor citalopram (Cit) have not been reported. OBJECTIVES To assess whether combined administration of Cap and Cit has synergistic effects in the FST and to determine whether this combination prevents the side effects of Cit. METHODS Cap, Cit, and the co-administration of both substances were evaluated in a modified version of the FST (30-cm water depth) conducted in rats, as well as in the open field test (OFT), elevated plus maze (EPM), and Morris water maze (MWM). RESULTS In line with previous studies, independent administration of Cap and Cit displayed antidepressant-like properties in the FST, while the combined injection had synergistic effects. In the OFT, neither treatment caused significant increments in locomotion. In the EPM, the time spent in the closed arms was lower in groups administered either only Cap or a combination of Cap and Cit than in groups treated with Cit alone. In the MWM, both Cap and the joint treatment (Cap and Cit) improved the working memory of rats in comparison with animals treated only with Cit. CONCLUSION Combined administration of Cap and Cit produces a synergistic antidepressant-like effect in the FST and reduces the detrimental effects of Cit on anxiety and working memory.
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Ahmed M, Qin P, Ji M, An R, Guo H, Shafi J. Spinasterol, 22,23-Dihydrospinasterol and Fernenol from Citrullus Colocynthis L. with Aphicidal Activity against Cabbage Aphid Brevicoryne Brassicae L. Molecules 2020; 25:molecules25092184. [PMID: 32392823 PMCID: PMC7249147 DOI: 10.3390/molecules25092184] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 11/16/2022] Open
Abstract
Brevicoryne brassicae is a problematic pest in cabbage and other field crops. Synthetic pesticides are used to control this pest, but they are injurious for human health and the environment. The present study aimed to purify and identify the active compounds from Citrullus colocynthis leaves with an appraisal of their efficacy against B. brassicae. Separation and purification were performed via different chromatographic techniques. Molecular analysis and chemical structures were recognized by mass spectrum (MS) and nuclear magnetic resonance (NMR), respectively. Moreover, in vitro and in vivo aphicidal activity was assessed using various concentrations, i.e., 6.25, 12.5, 25 and 50 µg/mL at 12, 24, 48 and 72 h exposure. The outcome shows that mass spectrum analyses of the purified compounds suggested the molecular formulae are C30H50O and C29H50O, C29H48O. The compounds were characterized as fernenol and a mixture of spinasterol, 22,23-dihydrospinasterol by 1H-NMR and 13C-NMR spectrum analysis. The toxicity results showed that the mixture of spinasterol and 22,23-dihydrospinasterol showed LC50 values of 32.36, 44.49 and 37.50 µg/mL by contact, residual and greenhouse assay at 72 h exposure, respectively. In contrast, fernenol recorded LC50 values as 47.99, 57.46 and 58.67 µg/mL, respectively. On the other hand, spinasterol, 22,23-dihydrospinasterol showed the highest mortality, i.e., 66.67%, 53.33% and 60% while, 30%, 23.33% and 25% mortality was recorded by fernenol after 72 h at 50 µg/mL by contact, residual and greenhouse assay, respectively. This study suggests that spinasterol, 22,23-dihydrospinasterol are more effective against B. brassicae which may be introduced as an effective and suitable substitute of synthetic chemical pesticides.
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Affiliation(s)
- Maqsood Ahmed
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China; (M.A.); (R.A.); (H.G.)
- Department of Agriculture, Pest Warning & Quality Control of Pesticides, Gujrat 50700, Pakistan
| | - Peiwen Qin
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China; (M.A.); (R.A.); (H.G.)
- Correspondence: (P.Q.); (M.J.); Tel.: +86-24-8848-7148 (M.J.); Fax: +86-24-8834-2315 (M.J.)
| | - Mingshan Ji
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China; (M.A.); (R.A.); (H.G.)
- Correspondence: (P.Q.); (M.J.); Tel.: +86-24-8848-7148 (M.J.); Fax: +86-24-8834-2315 (M.J.)
| | - Ran An
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China; (M.A.); (R.A.); (H.G.)
| | - Hongxia Guo
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China; (M.A.); (R.A.); (H.G.)
| | - Jamil Shafi
- Department of Plant Pathology, University of Agriculture Faisalabad, Sub-Campus Depalpur, Okara, Faisalabad 56300, Pakistan;
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Salazar JR, Loza-Mejía MA, Soto-Cabrera D. Chemistry, Biological Activities and In Silico Bioprospection of Sterols and Triterpenes from Mexican Columnar Cactaceae. Molecules 2020; 25:molecules25071649. [PMID: 32260146 PMCID: PMC7180492 DOI: 10.3390/molecules25071649] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 03/30/2020] [Accepted: 03/30/2020] [Indexed: 12/21/2022] Open
Abstract
The Cactaceae family is an important source of triterpenes and sterols. The wide uses of those plants include food, gathering, medicinal, and live fences. Several studies have led to the isolation and characterization of many bioactive compounds. This review is focused on the chemistry and biological properties of sterols and triterpenes isolated mainly from some species with columnar and arborescent growth forms of Mexican Cactaceae. Regarding the biological properties of those compounds, apart from a few cases, their molecular mechanisms displayed are not still fully understand. To contribute to the above, computational chemistry tools have given a boost to traditional methods used in natural products research, allowing a more comprehensive exploration of chemistry and biological activities of isolated compounds and extracts. From this information an in silico bioprospection was carried out. The results suggest that sterols and triterpenoids present in Cactaceae have interesting substitution patterns that allow them to interact with some bio targets related to inflammation, metabolic diseases, and neurodegenerative processes. Thus, they should be considered as attractive leads for the development of drugs for the management of chronic degenerative diseases.
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Affiliation(s)
- Juan Rodrigo Salazar
- Correspondence: (J.R.S.); (M.A.L.-M.); Tel.: +52-55-5278-9500 (J.R.S. & M.A.L.-M.)
| | - Marco A. Loza-Mejía
- Correspondence: (J.R.S.); (M.A.L.-M.); Tel.: +52-55-5278-9500 (J.R.S. & M.A.L.-M.)
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Fischer SPM, Brusco I, Brum ES, Fialho MFP, Camponogara C, Scussel R, Machado-de-Ávila RA, Trevisan G, Oliveira SM. Involvement of TRPV1 and the efficacy of α-spinasterol on experimental fibromyalgia symptoms in mice. Neurochem Int 2020; 134:104673. [PMID: 31926196 DOI: 10.1016/j.neuint.2020.104673] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 01/02/2020] [Accepted: 01/06/2020] [Indexed: 02/06/2023]
Abstract
Fibromyalgia is characterised mainly by symptoms of chronic widespread pain and comorbidities like depression. Although these symptoms cause a notable impact on the patient's quality of life, the underlying aetiology and pathophysiology of this disease remain incompletely elucidated. The transient receptor potential vanilloid type 1 (TRPV1) is a polymodal receptor that is involved in the development of nociceptive and depressive behaviours, while α-spinasterol, a multitarget TRPV1 antagonist and cyclooxygenase inhibitor, presents antinociceptive and antidepressant effects. The present study investigated the involvement of the TRPV1 channel and the possible effects of α-spinasterol on nociceptive and depressive-like behaviours in an experimental fibromyalgia model. The fibromyalgia model was induced with a subcutaneous (s.c.) injection of reserpine (1 mg/kg) once daily for 3 consecutive days in male Swiss mice. Reserpine administration depleted monoamines and caused mechanical allodynia. This dysfunction was inhibited by SB-366791 (1 mg/kg, oral route [p.o.]), a selective TRPV1 antagonist, with a maximum inhibition (Imax) of 73.4 ± 15.5%, or by the single or 3-day-repeated administration of α-spinasterol (0.3 mg/kg, p.o.), with an Imax of 72.8 ± 17.8% and 78.9 ± 32.9%, respectively. SB-366791 also inhibited the increase of the reserpine-induced immobility time, with an Imax of 100%, while α-spinasterol inhibited this parameter with an Imax of 98.2 ± 21.5% and 100%, by single or repeated administration, respectively. The reserpine-induced mechanical allodynia and the thermal hyperalgesia were abolished by TRPV1-positive fibers desensitization induced by previous resiniferatoxin (RTX) administration. In summary, the TRPV1 channel is involved in the development and maintenance of nociception and depressive-like behaviours in a fibromyalgia model, while the α-spinasterol has therapeutic potential to treat the pain and depression symptoms in fibromyalgia patients.
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Affiliation(s)
- Susana Paula Moreira Fischer
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Indiara Brusco
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Evelyne Silva Brum
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Maria Fernanda Pessano Fialho
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Camila Camponogara
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Rahisa Scussel
- Graduate Program in Health Sciences, University of Extrem South Catarinense, Criciuma, SC, Brazil
| | | | - Gabriela Trevisan
- Graduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Sara Marchesan Oliveira
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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Capsaicin produces antidepressant-like effects in the forced swimming test and enhances the response of a sub-effective dose of amitriptyline in rats. Physiol Behav 2018; 195:158-166. [DOI: 10.1016/j.physbeh.2018.08.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 08/19/2018] [Accepted: 08/19/2018] [Indexed: 12/14/2022]
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21
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Wang SE, Ko SY, Kim YS, Jo S, Lee SH, Jung SJ, Son H. Capsaicin upregulates HDAC2 via TRPV1 and impairs neuronal maturation in mice. Exp Mol Med 2018. [PMID: 29520110 PMCID: PMC5898893 DOI: 10.1038/emm.2017.289] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Transient receptor potential vanilloid 1 (TRPV1) affects mood and neuroplasticity in the brain, where its role is poorly understood. In the present study we investigated whether capsaicin (8-methyl-N-vanillyl-trans-6-nonenamide), an agonist of TRPV1, induced chromatin remodeling and thereby altered gene expression related to synaptic plasticity. We found that capsaicin treatment resulted in upregulation of histone deacetylase 2 (HDAC2) in the mouse hippocampus and HDAC2 was enriched at Psd95, synaptophysin, GLUR1, GLUR2 promoters. Viral-mediated hippocampal knockdown of HDAC2 induced expression of Synapsin I and prevented the detrimental effects of capsaicin on Synapsin I expression in mice, supporting the role of HDAC2 in regulation of capsaicin-induced Synapsin I expression. Taken together, our findings implicate HDAC2 in capsaicin-induced transcriptional regulation of synaptic molecules and support the view that HDAC2 is a molecular link between TRPV1 activity and synaptic plasticity.
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Affiliation(s)
- Sung Eun Wang
- Graduate School of Biomedical Science and Engineering, Hanyang Biomedical Research Institute, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
| | - Seung Yeon Ko
- Graduate School of Biomedical Science and Engineering, Hanyang Biomedical Research Institute, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
| | - Yong-Seok Kim
- Graduate School of Biomedical Science and Engineering, Hanyang Biomedical Research Institute, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea.,Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
| | - Sungsin Jo
- Hanyang University Hospital for Rheumatic Disease, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
| | - Seung Hoon Lee
- Graduate School of Biomedical Science and Engineering, Hanyang Biomedical Research Institute, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
| | - Sung Jun Jung
- Graduate School of Biomedical Science and Engineering, Hanyang Biomedical Research Institute, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea.,Department of Physiology, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
| | - Hyeon Son
- Graduate School of Biomedical Science and Engineering, Hanyang Biomedical Research Institute, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea.,Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, Seongdong-gu, Seoul, Republic of Korea
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Leone S, Recinella L, Chiavaroli A, Martinotti S, Ferrante C, Mollica A, Macedonio G, Stefanucci A, Dvorácskó S, Tömböly C, De Petrocellis L, Vacca M, Brunetti L, Orlando G. Emotional disorders induced by Hemopressin and RVD-hemopressin(α) administration in rats. Pharmacol Rep 2017; 69:1247-1253. [DOI: 10.1016/j.pharep.2017.06.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 06/12/2017] [Accepted: 06/21/2017] [Indexed: 02/03/2023]
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Brusco I, Camponogara C, Carvalho FB, Schetinger MRC, Oliveira MS, Trevisan G, Ferreira J, Oliveira SM. α-Spinasterol: a COX inhibitor and a transient receptor potential vanilloid 1 antagonist presents an antinociceptive effect in clinically relevant models of pain in mice. Br J Pharmacol 2017; 174:4247-4262. [PMID: 28849589 DOI: 10.1111/bph.13992] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 08/14/2017] [Accepted: 08/16/2017] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND AND PURPOSE Postoperative pain is one of the most common manifestations of acute pain and is an important problem faced by patients after surgery. Moreover, neuronal trauma or chemotherapeutic treatment often causes neuropathic pain, which induces disabling and distressing symptoms. At present, treatments of both painful conditions are inadequate. α-Spinasterol, which is well characterized as a transient receptor potential vanilloid 1 antagonist, has anti-inflammatory, antioxidant and antinociceptive effects. Therefore, we investigated its antinociceptive potential on postoperative and neuropathic pain, as well as its effect on COX-1 and COX-2 activities. EXPERIMENTAL APPROACH Nociceptive responses in a postoperative pain model (surgical incision-induced) or different neuropathic pain models (trauma or chemotherapy-induced) were investigated in mice. KEY RESULTS Oral administration of α-spinasterol reduced postoperative pain, when given as a pre- (0.5 h before incision) or post-treatment (0.5 h after incision), and reduced cell infiltration in the injured tissue. α-Spinasterol also reduced the mechanical allodynia induced by partial sciatic nerve ligation and the mechanical and cold allodynia induced by paclitaxel. Moreover, α-spinasterol inhibited COX-1 and COX-2 enzyme activities without altering the body temperature of animals. Importantly, α-spinasterol did not alter spontaneous or forced locomotor activity. Furthermore, it did not cause gastric damage or liver and kidney changes, nor did it alter cell viability in the cerebral cortex and spinal cord slices of mice. CONCLUSION AND IMPLICATIONS α-Spinasterol is an effective and safe COX inhibitor with antinociceptive effects in postoperative and neuropathic pain models. Therefore, it is an interesting prototype for the development of novel analgesic drugs.
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Affiliation(s)
- Indiara Brusco
- Graduate Program in Biological Sciences, Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Camila Camponogara
- Graduate Program in Biological Sciences, Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Fabiano Barbosa Carvalho
- Graduate Program in Biological Sciences, Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Maria Rosa Chitolina Schetinger
- Graduate Program in Biological Sciences, Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Mauro Schneider Oliveira
- Graduate Program in Pharmacology, Department of Physiology and Pharmacology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Gabriela Trevisan
- Graduate Program in Pharmacology, Department of Physiology and Pharmacology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Juliano Ferreira
- Graduate Program in Pharmacology, Department of Pharmacology, Federal University of Santa Catarina, Florianopolis, SC, Brazil
| | - Sara Marchesan Oliveira
- Graduate Program in Biological Sciences, Biochemistry Toxicology, Federal University of Santa Maria, Santa Maria, RS, Brazil.,Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
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Antiproliferative activity of spinasterol isolated of Stegnosperma halimifolium (Benth, 1844). Saudi Pharm J 2017; 25:1137-1143. [PMID: 30166901 PMCID: PMC6111116 DOI: 10.1016/j.jsps.2017.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 07/09/2017] [Indexed: 12/12/2022] Open
Abstract
Cancer is the major cause of death in the world, representing a significant public health problem. Plants have been shown as a great source of secondary metabolites with anticancer activity. The aim of this work was evaluated the antiproliferative activity of the methanolic extracts, chemical fractions and the compound spinasterol isolated of medicinal plant Stegnosperma halimifolium. The methanolic extracts of stem, leaf and stem/leaf was obtained by maceration. The methanolic extract of stem was purified by successive extractions with solvents as n-hexane, ethyl acetate and ethanol. The n-hexane fraction was separated by column chromatographic and monitored by thin layer chromatographic. The compound spinasterol was characterized by 1H NMR, 13C NMR and Mass Spectrometry. Methanolic extracts, chemical, chromatographic fractions and spinasterol was evaluated against RAW 264.7, M12.C3.F6, PC-3, LS-180, A549 and HeLa cancer cell lines by the standardized method MTT for determinate the antiproliferative activity. Methanolic extract of stem shown the better antiproliferative activity against the murine macrophage cancer cell line RAW 264.7. n-Hexane chemical fraction shown antiproliferative activity against human alveolar cancer cell line A549 and RAW 264.7. Was isolated and characterized a compound by NMR 1H and 13C, revealing the presence of sterol spinasterol. Spinasterol shown to have antiproliferative activity against cervical cancer cell line HeLa and RAW 264.7, indicating that spinasterol can be a responsible compound of antiproliferative activity found in the methanolic extract of Stegnosperma halimifolium.
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Overexpression of the 18 kDa translocator protein (TSPO) in the hippocampal dentate gyrus produced anxiolytic and antidepressant-like behavioural effects. Neuropharmacology 2017; 125:117-128. [PMID: 28655607 DOI: 10.1016/j.neuropharm.2017.06.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 06/18/2017] [Accepted: 06/22/2017] [Indexed: 12/22/2022]
Abstract
The 18 kDa translocator protein (TSPO) is a five transmembrane domain protein that plays a crucial role in neurosteroid (e.g., allopregnanolone) synthesis by promoting the transport of cholesterol to the inner mitochondrial membrane. This protein is predominantly expressed in steroid-synthesizing tissues, including the central and peripheral nervous system, affecting stress-related disorders such as anxiety and depression. Recent studies have focused on the hippocampal dentate gyrus, which is very important for involvement of anxiety and depression. However, the exact role that TSPO plays in the pathophysiology of anxiety and depression and the involvement of the hippocampal dentate gyrus in regulating these behavioural effects remain elusive. This study used the lentiviral vectors mediating TPSO overexpression to assess the effects of TPSO overexpression in the hippocampal dentate gyrus on anxiolytic and antidepressant-like behavioural effects in mice. The expression of TSPO and the concentration of allopregnanolone in hippocampus tissues (3 mm in diameter around the injection site on both sides) were measured by Western blot and ELISA, respectively. The results indicated that microinjection of the LV-TSPO resulted in a significant increase in TSPO expression and allopregnanolone concentration in the hippocampus. Moreover, TSPO overexpression of the mouse hippocampal dentate gyrus generated significant anxiolytic and antidepressant-like behavioural effects in a series of behavioural models. These effects were completely blocked by the TSPO antagonist PK11195 (3 mg/kg, intraperitoneally) and the 5α-reductase inhibitor finasteride (5 mg/kg,intraperitoneally). Meanwhile, the increased allopregnanolone was also reversed by PK11195 and finasteride. In addition, neither PK11195 nor finasteride had an effect on the expression of TSPO. Overall, our results are the first to suggest that the overexpression of TSPO in the hippocampal dentate gyrus produced anxiolytic and antidepressant-like behavioural effects that are partially mediated by downstream allopregnanolone biosynthesis. Our results suggest that TSPO would be a potential anxiolytic and antidepressant therapeutic target.
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Wang SE, Ko SY, Jo S, Choi M, Lee SH, Jo HR, Seo JY, Lee SH, Kim YS, Jung SJ, Son H. TRPV1 Regulates Stress Responses through HDAC2. Cell Rep 2017; 19:401-412. [DOI: 10.1016/j.celrep.2017.03.050] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 02/22/2017] [Accepted: 03/16/2017] [Indexed: 11/25/2022] Open
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A novel method for synthesis of α-spinasterol and its antibacterial activities in combination with ceftiofur. Fitoterapia 2017; 119:12-19. [PMID: 28351722 DOI: 10.1016/j.fitote.2017.03.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 02/28/2017] [Accepted: 03/10/2017] [Indexed: 01/23/2023]
Abstract
In this study, we designed a novel method of the synthesis of α-spinasterol from commercially available stigmasterol and explored the combinational effect of the α-spinasterol with ceftiofur in vitro against S. pullorum cvcc533, S. pneumoniae CAU0070, E. coli, and S. aureus. α-Spinasterol was obtained by a key reaction of Bamford-Stevens reaction with a desirable yield for five steps. The combination of α-spinasterol and ceftiofur showed stronger synergetic effect against the four pathogenic strains compared with that of stigmasterol and ceftiofur alone. In time-kill analyses, at concentrations above the MICs, ceftiofur in combination with α-spinasterol exhibited time-dependency and concentration-dependency comparing to time dependency with ceftiofur alone. We conclude that the combination usage of α-spinasterol and ceftiofur is an effective and promising strategy against the four pathogenic bacterial strains in vitro.
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Reis AS, Pinz M, Duarte LFB, Roehrs JA, Alves D, Luchese C, Wilhelm EA. 4-phenylselenyl-7-chloroquinoline, a novel multitarget compound with anxiolytic activity: Contribution of the glutamatergic system. J Psychiatr Res 2017; 84:191-199. [PMID: 27756019 DOI: 10.1016/j.jpsychires.2016.10.007] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 08/12/2016] [Accepted: 10/10/2016] [Indexed: 01/09/2023]
Abstract
A growing body of evidence demonstrates that quinoline compounds have attracted much attention in the field of drug development. Accordingly, 4-phenylselenyl-7-chloroquinoline (4-PSQ) is a new quinoline derivative containing selenium, which showed a potential antioxidant, antinociceptive and anti-inflammatory effect. The present study was undertaken to evaluate the anxiolytic-like properties of 4-PSQ. Mice were orally pretreated with 4-PSQ (5-50 mg/kg) or vehicle, 30 min prior to the elevated plus-maze (EPM), light-dark (LDT) or open field (OFT) tests. A time-response curve was carried out by administration of 4-PSQ (50 mg/kg) at different times before the EPM test. The involvement of glutamate uptake/release and Na+, K+-ATPase activity in the anxiolytic-like effect was investigated in cerebral cortices. In addition, the effectiveness of acute treatment with 4-PSQ was evaluated in a model of kainate (KA)-induced anxiety-related behavior. Finally, acute toxicity of this compound was investigated. 4-PSQ produced an anxiolytic-like action, both in EPM and LDT. In OFT, 4-PSQ did not affect locomotor and exploratory activities. 4-PSQ anxiolytic-like effect started at 0.5 h and remained significant up to 72 h after administration. Treatment with 4-PSQ reduced [3H] glutamate uptake, but the [3H] glutamate release and Na+, K+-ATPase activity were not altered. KA-induced anxiety-related behavior was protected by 4-PSQ pretreatment. Additionally, 4-PSQ exposure did not alter urea levels, aspartate (AST) and alanine aminotrasferase (ALT) activities in plasma. Parameters of oxidative stress in brain and liver of mice were not modified by 4-PSQ. Taken together these data demonstrated that the anxiolytic-like effect caused by 4-PSQ seems to be mediated by involvement of the glutamatergic system.
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Affiliation(s)
- Angélica S Reis
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, Grupo de Pesquisa em Neurobiotecnologia - GPN, CCQFA Universidade Federal de Pelotas, UFPel, Pelotas, RS, Brasil
| | - Mikaela Pinz
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, Grupo de Pesquisa em Neurobiotecnologia - GPN, CCQFA Universidade Federal de Pelotas, UFPel, Pelotas, RS, Brasil
| | - Luis Fernando B Duarte
- Programa de Pós-Graduação em Química, Laboratório de Síntese Orgânica Limpa - LASOL, CCQFA, Universidade Federal de Pelotas, UFPel, P.O. Box 354, 96010-900, Pelotas, RS, Brasil
| | - Juliano A Roehrs
- Programa de Pós-Graduação em Química, Laboratório de Síntese Orgânica Limpa - LASOL, CCQFA, Universidade Federal de Pelotas, UFPel, P.O. Box 354, 96010-900, Pelotas, RS, Brasil
| | - Diego Alves
- Programa de Pós-Graduação em Química, Laboratório de Síntese Orgânica Limpa - LASOL, CCQFA, Universidade Federal de Pelotas, UFPel, P.O. Box 354, 96010-900, Pelotas, RS, Brasil
| | - Cristiane Luchese
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, Grupo de Pesquisa em Neurobiotecnologia - GPN, CCQFA Universidade Federal de Pelotas, UFPel, Pelotas, RS, Brasil.
| | - Ethel A Wilhelm
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica, Grupo de Pesquisa em Neurobiotecnologia - GPN, CCQFA Universidade Federal de Pelotas, UFPel, Pelotas, RS, Brasil.
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