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Naz H, Rahim F, Hussain R, Khan S, Rehman W, Khan Y, Aziz T, Alharbi M. In silico molecular modeling and in vitro biological screening of novel benzimidazole-based piperazine derivatives as potential acetylcholinesterase and butyrylcholinesterase inhibitors. Z NATURFORSCH C 2024; 0:znc-2024-0068. [PMID: 39007228 DOI: 10.1515/znc-2024-0068] [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: 03/31/2024] [Accepted: 06/14/2024] [Indexed: 07/16/2024]
Abstract
New series of benzimidazole incorporating piperazine moieties in single molecular framework has been reported. The structures of the synthesized derivatives were assigned by 1H-NMR, 13C-NMR, and HR-MS techniques. The hybrid derivatives were evaluated for their acetylcholinesterase and butyrylcholinesterase inhibition effect. All the synthesized analogs showed good to moderate inhibitory effect ranging from IC50 value 0.20 ± 0.01 µM to 0.50 ± 0.10 µM for acetylcholinesterase and from IC50 value 0.25 ± 0.01 µM to 0.70 ± 0.10 µM for butyrylcholinesterase except one that showed least potency with IC50 value 1.05 ± 0.1 µM and 1.20 ± 0.1 µM. The differences in inhibitory potential of synthesized compounds were due to the nature and position of substitution attached to the main ring. Additionally, molecular docking study was carried out for most active in order to explore the binding interactions established by ligand (active compounds) with the active residues of targeted AChE & BuChE enzyme.
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Affiliation(s)
- Haseena Naz
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Fazal Rahim
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Rafaqat Hussain
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Shoaib Khan
- Department of Chemistry, Abbottabad University of Science and Technology (AUST), Abbottabad, Pakistan
| | - Wajid Rehman
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Yousaf Khan
- Department of Chemistry, COMSATS University Islamabad, Islamabad 45550, Pakistan
| | - Tariq Aziz
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, Arta 47132, Greece
| | - Metab Alharbi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Gutti G, Leifeld J, Kakarla R, Bajad NG, Ganeshpurkar A, Kumar A, Krishnamurthy S, Klein-Schmidt C, Tapken D, Hollmann M, Singh SK. Discovery of triazole-bridged aryl adamantane analogs as an intriguing class of multifunctional agents for treatment of Alzheimer's disease. Eur J Med Chem 2023; 259:115670. [PMID: 37515920 DOI: 10.1016/j.ejmech.2023.115670] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/10/2023] [Accepted: 07/19/2023] [Indexed: 07/31/2023]
Abstract
Alzheimer's disease (AD) is a progressive brain disorder associated with slow loss of brain functions leading to memory failure and modest changes in behavior. The multifactorial neuropathological condition is due to a depletion of cholinergic neurons and accumulation of amyloid-beta (Aβ) plaques. Recently, a multi-target-directed ligand (MTDL) strategy has emerged as a robust drug discovery tool to overcome current challenges. In this research work, we aimed to design and develop a library of triazole-bridged aryl adamantane analogs for the treatment of AD. All synthesized analogs were characterized and evaluated through various in vitro and in vivo biological studies. The optimal compounds 32 and 33 exhibited potent inhibitory activities against acetylcholinesterase (AChE) (32 - IC50 = 0.086 μM; 33 - 0.135 μM), and significant Aβ aggregation inhibition (20 μM). N-methyl-d-aspartate (NMDA) receptor (GluN1-1b/GluN2B subunit combination) antagonistic activity of compounds 32 and 33 measured upon heterologous expression in Xenopus laevis oocytes showed IC50 values of 3.00 μM and 2.86 μM, respectively. The compounds possessed good blood-brain barrier permeability in the PAMPA assay and were safe for SH-SY5Y neuroblastoma (10 μM) and HEK-293 cell lines (30 μM). Furthermore, in vivo behavioral studies in rats demonstrated that both compounds improved cognitive and spatial memory impairment at a dose of 10 mg/kg oral administration. Together, our findings suggest triazole-bridged aryl adamantane as a promising new scaffold for the development of anti-Alzheimer's drugs.
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Affiliation(s)
- Gopichand Gutti
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India; Department of Biochemistry I - Receptor Biochemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Jennifer Leifeld
- Department of Biochemistry I - Receptor Biochemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Ramakrishna Kakarla
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
| | - Nilesh Gajanan Bajad
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
| | - Ankit Ganeshpurkar
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
| | - Ashok Kumar
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
| | - Sairam Krishnamurthy
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
| | - Christina Klein-Schmidt
- Department of Biochemistry I - Receptor Biochemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Daniel Tapken
- Department of Biochemistry I - Receptor Biochemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Michael Hollmann
- Department of Biochemistry I - Receptor Biochemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Sushil Kumar Singh
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India.
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Zhang J, Aray B, Zhang Y, Bai Y, Yuan T, Ding S, Xue Y, Huang X, Li Z. Synergistic effect of cucurbitacin E and myricetin on Anti-Non-Small cell lung cancer: Molecular mechanism and therapeutic potential. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 111:154619. [PMID: 36706697 DOI: 10.1016/j.phymed.2022.154619] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 09/26/2022] [Accepted: 12/19/2022] [Indexed: 05/05/2023]
Abstract
BACKGROUND Non-small cell lung cancer (NSCLC) is associated with extremely high morbidity and mortality rates worldwide. Citrullus colocynthis (L.) Schrad, widely distributed in Asian and African countries, is used to treat cancers in traditional Uyghur medicine. HYPOTHESIS/PURPOSE The combination of Cucurbitacin E (CuE) and Myricetin (Myr) of C. colocynthis could treat NSCLC by targeting autophagy. STUDY DESIGN The potential anti-cancer components (CuE and Myr) of C. colocynthis were identified using in-silico methods and further in vitro explored the anti-NSCLC properties of the combination of CuE and Myr. METHODS Network pharmacology and molecular docking were used to identify potential therapeutic compounds of C. colocynthis for the treatment of NSCLC. In A549 cells, the anti-cancer activities and synergy of CuE and Myr were studied using CompuSyn, their mechanism behind autophagy regulation was determined by western blotting and immunofluorescence staining. RESULTS CuMy-12 (CuE: 0.5 µM, Myr: 20 µM), a combination of CuE and Myr from C. colocynthis, inhibited A549 cell proliferation and colony formation, and induced apoptosis and cell cycle arrest in the G0/G1 phase, exhibiting a synergistic effect. Furthermore, CuMy-12 inhibited autophagy and activation of the PI3K/AKT/mTOR signaling pathway, which was characterized by a decrease in Beclin 1, AKT, and phospho-AKT proteins. CONCLUSION CuMy-12 can be considered a natural candidate with anticancer activity for autophagy-based regulation, but mechanistic and clinical studies are required to validate its potential.
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Affiliation(s)
- Jinfang Zhang
- School of Pharmacy, Minzu University of China, Beijing 100081, China
| | - Baht Aray
- School of Pharmacy, Minzu University of China, Beijing 100081, China
| | - Yan Zhang
- School of Life and Science, Minzu University of China, Beijing 100081, China
| | - Yinglu Bai
- School of Pharmacy, Minzu University of China, Beijing 100081, China
| | - Tao Yuan
- College of Life Sciences, Jiangxi Normal University, Nanchang 330027, China
| | - Shilan Ding
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yanyu Xue
- School of Life and Science, Minzu University of China, Beijing 100081, China
| | - Xiulan Huang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Zhiyong Li
- School of Pharmacy, Minzu University of China, Beijing 100081, China.
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4
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The Neuroprotective Activities of the Novel Multi-Target Iron-Chelators in Models of Alzheimer's Disease, Amyotrophic Lateral Sclerosis and Aging. Cells 2023; 12:cells12050763. [PMID: 36899898 PMCID: PMC10001413 DOI: 10.3390/cells12050763] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 02/03/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023] Open
Abstract
The concept of chelation therapy as a valuable therapeutic approach in neurological disorders led us to develop multi-target, non-toxic, lipophilic, brain-permeable compounds with iron chelation and anti-apoptotic properties for neurodegenerative diseases, such as Parkinson's disease (PD), Alzheimer's disease (AD), age-related dementia and amyotrophic lateral sclerosis (ALS). Herein, we reviewed our two most effective such compounds, M30 and HLA20, based on a multimodal drug design paradigm. The compounds have been tested for their mechanisms of action using animal and cellular models such as APP/PS1 AD transgenic (Tg) mice, G93A-SOD1 mutant ALS Tg mice, C57BL/6 mice, Neuroblastoma × Spinal Cord-34 (NSC-34) hybrid cells, a battery of behavior tests, and various immunohistochemical and biochemical techniques. These novel iron chelators exhibit neuroprotective activities by attenuating relevant neurodegenerative pathology, promoting positive behavior changes, and up-regulating neuroprotective signaling pathways. Taken together, these results suggest that our multifunctional iron-chelating compounds can upregulate several neuroprotective-adaptive mechanisms and pro-survival signaling pathways in the brain and might function as ideal drugs for neurodegenerative disorders, such as PD, AD, ALS, and aging-related cognitive decline, in which oxidative stress and iron-mediated toxicity and dysregulation of iron homeostasis have been implicated.
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Puentes-Díaz N, Chaparro D, Morales-Morales D, Flores-Gaspar A, Alí-Torres J. Role of Metal Cations of Copper, Iron, and Aluminum and Multifunctional Ligands in Alzheimer's Disease: Experimental and Computational Insights. ACS OMEGA 2023; 8:4508-4526. [PMID: 36777601 PMCID: PMC9909689 DOI: 10.1021/acsomega.2c06939] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 12/30/2022] [Indexed: 05/15/2023]
Abstract
Alzheimer's disease (AD) is the most common form of dementia, affecting millions of people around the world. Even though the causes of AD are not completely understood due to its multifactorial nature, some neuropathological hallmarks of its development have been related to the high concentration of some metal cations. These roles include the participation of these metal cations in the production of reactive oxygen species, which have been involved in neuronal damage. In order to avoid the increment in the oxidative stress, multifunctional ligands used to coordinate these metal cations have been proposed as a possible treatment to AD. In this review, we present the recent advances in experimental and computational works aiming to understand the role of two redox active and essential transition-metal cations (Cu and Fe) and one nonbiological metal (Al) and the recent proposals on the development of multifunctional ligands to stop or revert the damaging effects promoted by these metal cations.
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Affiliation(s)
- Nicolás Puentes-Díaz
- Departamento
de Química, Universidad Nacional
de Colombia−Sede Bogotá, Bogotá 11301, Colombia
| | - Diego Chaparro
- Departamento
de Química, Universidad Nacional
de Colombia−Sede Bogotá, Bogotá 11301, Colombia
- Departamento
de Química, Universidad Militar Nueva
Granada, Cajicá 250240, Colombia
| | - David Morales-Morales
- Instituto
de Química, Universidad Nacional Autónoma de México,
Circuito Exterior, Ciudad Universitaria, Ciudad de México 04510, México
| | - Areli Flores-Gaspar
- Departamento
de Química, Universidad Militar Nueva
Granada, Cajicá 250240, Colombia
- Areli Flores-Gaspar − Departamento de Química,
Universidad Militar Nueva
Granada, Cajicá, 250247, Colombia.
| | - Jorge Alí-Torres
- Departamento
de Química, Universidad Nacional
de Colombia−Sede Bogotá, Bogotá 11301, Colombia
- Jorge Alí-Torres − Departamento de Química, Universidad Nacional de
Colombia, Sede Bogotá,11301, Bogotá, Colombia.
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Bello SO, Yunusa A, Adamu AA, Imam MU, Bello MB, Shuaibu A, Igumbor EU, Habib ZG, Popoola MA, Ochu CL, Bello AY, Deeni YY, Okoye I. Innovative, rapid, high-throughput method for drug repurposing in a pandemic-A case study of SARS-CoV-2 and COVID-19. Front Pharmacol 2023; 14:1130828. [PMID: 36937851 PMCID: PMC10014809 DOI: 10.3389/fphar.2023.1130828] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/20/2023] [Indexed: 03/05/2023] Open
Abstract
Several efforts to repurpose drugs for COVID-19 treatment have largely either failed to identify a suitable agent or agents identified did not translate to clinical use. Reasons that have been suggested to explain the failures include use of inappropriate doses, that are not clinically achievable, in the screening experiments, and the use of inappropriate pre-clinical laboratory surrogates to predict efficacy. In this study, we used an innovative algorithm, that incorporates dissemination and implementation considerations, to identify potential drugs for COVID-19 using iterative computational and wet laboratory methods. The drugs were screened at doses that are known to be achievable in humans. Furthermore, inhibition of viral induced cytopathic effect (CPE) was used as the laboratory surrogate to predict efficacy. Erythromycin, pyridoxine, folic acid and retapamulin were found to inhibit SARS-CoV-2 induced CPE in Vero cells at concentrations that are clinically achievable. Additional studies may be required to further characterize the inhibitions of CPE and the possible mechanisms.
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Affiliation(s)
- Shaibu Oricha Bello
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
- Nigerian COVID-19 Research Coalition, Nigerian Institute of Medical Research Institute, Abuja, Nigeria
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
- *Correspondence: Shaibu Oricha Bello,
| | - Abdulmajeed Yunusa
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Adamu Ahmed Adamu
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Mustapha Umar Imam
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
- Department of Medical Biochemistry, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Muhammad Bashir Bello
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
- Department of veterinary Microbiology, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Abdulmalik Shuaibu
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University, Sokoto, Nigeria
- Department of veterinary Microbiology, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Ehimario Uche Igumbor
- Nigerian COVID-19 Research Coalition, Nigerian Institute of Medical Research Institute, Abuja, Nigeria
- School of Public Health, University of the Western Cape, Cape Town, South Africa
| | - Zaiyad Garba Habib
- Nigerian COVID-19 Research Coalition, Nigerian Institute of Medical Research Institute, Abuja, Nigeria
- Department of Medicine, University of Abuja Teaching Hospital, Gwagwalada, Abuja, Nigeria
| | - Mustapha Ayodele Popoola
- Nigerian COVID-19 Research Coalition, Nigerian Institute of Medical Research Institute, Abuja, Nigeria
| | - Chinwe Lucia Ochu
- Nigerian COVID-19 Research Coalition, Nigerian Institute of Medical Research Institute, Abuja, Nigeria
- Nigerian Centre for Disease Control and Prevention, Abuja, Nigeria
| | - Aishatu Yahaya Bello
- Department of Clinical pharmacy and Pharmacy Practice, Faculty of Pharmaceutical sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Yusuf Yahaya Deeni
- Nigerian COVID-19 Research Coalition, Nigerian Institute of Medical Research Institute, Abuja, Nigeria
- Department of Microbiology and Biotechnology, Federal University of Dutse, Dutse, Nigeria
- Centre for Environmental and Public Health Research and Development, Kano, Nigeria
| | - Ifeoma Okoye
- University of Nigeria Centre for Clinical Trials, University of Nigeria Teaching Hospital, Enugu, Ituku Ozalla, Nigeria
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7
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Dias Viegas FP, Gontijo VS, de Freitas Silva M, Cristancho Ortiz CJ, Franco GDRR, Ernesto JT, Damasio CM, Fernandes Silva IM, Campos TG, Viegas C. Curcumin, Resveratrol and Cannabidiol as Natural Key Prototypes in Drug Design for Neuroprotective Agents. Curr Neuropharmacol 2022; 20:1297-1328. [PMID: 34825873 PMCID: PMC9881080 DOI: 10.2174/1570159x19666210712152532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 05/28/2021] [Accepted: 07/03/2021] [Indexed: 11/22/2022] Open
Abstract
Nowadays, neurodegenerative diseases (NDs), such as Parkinson's disease (PD), Alzheimer's disease (AD), Huntington's disease (HD), and amyotrophic lateral sclerosis (ALS), represent a great challenge in different scientific fields, such as neuropharmacology, medicinal chemistry, molecular biology and medicine, as all these pathologies remain incurable, with high socioeconomic impacts and high costs for governmental health services. Due to their severity and multifactorial pathophysiological complexity, the available approved drugs for clinic have not yet shown adequate effectiveness and exhibited very restricted options in the therapeutic arsenal; this highlights the need for continued drug discovery efforts in the academia and industry. In this context, natural products, such as curcumin (1), resveratrol (2) and cannabidiol (CBD, 3) have been recognized as important sources, with promising chemical entities, prototype models and starting materials for medicinal organic chemistry, as their molecular architecture, multifunctional properties and single chemical diversity could facilitate the discovery, optimization and development of innovative drug candidates with improved pharmacodynamics and pharmacokinetics compared to the known drugs and, perhaps, provide a chance for discovering novel effective drugs to combat NDs. In this review, we report the most recent efforts of medicinal chemists worldwide devoted to the exploration of curcumin (1), resveratrol (2) and cannabidiol (CBD, 3) as starting materials or privileged scaffolds in the design of multi-target directed ligands (MTDLs) with potential therapeutic properties against NDs, which have been published in the scientific literature during the last 10 years of research and are available in PubMed, SCOPUS and Web of Science databases.
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Affiliation(s)
- Flávia P. Dias Viegas
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Alfenas, Brazil
| | - Vanessa Silva Gontijo
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Ciências Farmacêuticas, Federal University of Alfenas, Alfenas, 37133-840, Brazil;
| | - Matheus de Freitas Silva
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Alfenas, Brazil
| | - Cindy Juliet Cristancho Ortiz
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Alfenas, Brazil
| | - Graziella dos Reis Rosa Franco
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Alfenas, Brazil
| | - Januário Tomás Ernesto
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Ciências Farmacêuticas, Federal University of Alfenas, Alfenas, 37133-840, Brazil;
| | - Caio Miranda Damasio
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil;
| | - Isabela Marie Fernandes Silva
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil;
| | - Thâmara Gaspar Campos
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil;
| | - Claudio Viegas
- PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Ciências Farmacêuticas, Federal University of Alfenas, Alfenas, 37133-840, Brazil; ,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Alfenas, Brazil,Address correspondence to this author at the PeQuiM - Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil; Tel: +55 35 37011880; E-mail:
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8
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Elanthendral G, Shobana N, Meena R, P P, Samrot AV. Utilizing pharmacological properties of polyphenolic curcumin in nanotechnology. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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9
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Potentiating the Benefits of Melatonin through Chemical Functionalization: Possible Impact on Multifactorial Neurodegenerative Disorders. Int J Mol Sci 2021; 22:ijms222111584. [PMID: 34769013 PMCID: PMC8583879 DOI: 10.3390/ijms222111584] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/11/2022] Open
Abstract
Although melatonin is an astonishing molecule, it is possible that chemistry will help in the discovery of new compounds derived from it that may exceed our expectations regarding antioxidant protection and perhaps even neuroprotection. This review briefly summarizes the significant amount of data gathered to date regarding the multiple health benefits of melatonin and related compounds. This review also highlights some of the most recent directions in the discovery of multifunctional pharmaceuticals intended to act as one-molecule multiple-target drugs with potential use in multifactorial diseases, including neurodegenerative disorders. Herein, we discuss the beneficial activities of melatonin derivatives reported to date, in addition to computational strategies to rationally design new derivatives by functionalization of the melatonin molecular framework. It is hoped that this review will promote more investigations on the subject from both experimental and theoretical perspectives.
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10
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Reddy MVK, Rao KY, Anusha G, Kumar GM, Damu AG, Reddy KR, Shetti NP, Aminabhavi TM, Reddy PVG. In-vitro evaluation of antioxidant and anticholinesterase activities of novel pyridine, quinoxaline and s-triazine derivatives. ENVIRONMENTAL RESEARCH 2021; 199:111320. [PMID: 33991570 DOI: 10.1016/j.envres.2021.111320] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 06/12/2023]
Abstract
Cholinesterase enzymes such as acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) cause hydrolysis of acetylcholine (ACh), a neurotransmitter responsible for the cognitive functions of the brain such as acquiring knowledge and comprehension. Therefore, inhibition of these enzymes is an effective process to curb the progressive and fatal neurological Alzheimer's disease (AD). Herein, we explored the potential inhibitory activities of various pyridine, quinoxaline, and triazine derivatives (3a-k, 6a-j and 11a-h) against AChE and BuChE enzymes by following the modified Ellman's method. Further, anti-oxidant property of these libraries was monitored using DPPH (2,2'-diphenyl-1-picryl-hydrazylhydrate) radical scavenging analysis. From the studies, we identified that compounds 6e, 6f, 11b and 11f behaved as selective AChE inhibitors with IC50 values ranging from 7.23 to 10.35 μM. Further studies revealed good anti-oxidant activity by these compounds with IC50 values in the range of 14.80-27.22 μM. The kinetic studies of the active analogues demonstrated mixed-type of inhibition due to their interaction with both the catalytic active sites (CAS) and peripheral anionic sites (PAS) of the AChE. Additionally, molecular simulation in association with fluorescence and circular dichroism (CD) spectroscopic analyses explained strong affinities of inhibitors to bind with AChE enzyme at the physiological pH of 7.2. Binding constant values of 5.4 × 104, 4.3 × 104, 3.2 × 104 and 4.9 × 104 M-1 corresponding to free energy changes -5.593, -6.799, -6.605 and -8.104 KcalM-1 were obtained at 25 °C from fluorescence emission spectroscopic studies of 6e, 6f, 11b and 11f, respectively. Besides, CD spectroscopy deliberately explained the secondary structure of AChE partly unfolded upon binding with these dynamic molecules. Excellent in vitro profiles of distinct quinoxaline and triazine compounds highlighted them as the potential leads compared to pyridine derivatives, suggesting a path towards developing preventive or therapeutic targets to treat the Alzheimer's disease.
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Affiliation(s)
- M V K Reddy
- Department of Chemistry, Organic and Biomolecular Chemistry Laboratories, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India
| | - K Y Rao
- Department of Chemistry, Natural Products Laboratories, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India
| | - G Anusha
- Department of Chemistry, Organic and Biomolecular Chemistry Laboratories, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India
| | - G M Kumar
- Department of Biotechnology and Bioinformatics, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India
| | - A G Damu
- Department of Chemistry, Natural Products Laboratories, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India
| | - Kakarla Raghava Reddy
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Nagaraj P Shetti
- School of Advanced Sciences, KLE Technological University, Vidyanagar, Hubballi, 580031, Karnataka, India
| | | | - Peddiahgari Vasu Govardhana Reddy
- Department of Chemistry, Organic and Biomolecular Chemistry Laboratories, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India.
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11
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Sasidharan R, Eom BH, Heo JH, Park JE, Abdelgawad MA, Musa A, Gambacorta N, Nicolotti O, Manju SL, Mathew B, Kim H. Morpholine-based chalcones as dual-acting monoamine oxidase-B and acetylcholinesterase inhibitors: synthesis and biochemical investigations. J Enzyme Inhib Med Chem 2021; 36:188-197. [PMID: 33430657 PMCID: PMC7808749 DOI: 10.1080/14756366.2020.1842390] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Nine compounds (MO1–MO9) containing the morpholine moiety were assessed for their inhibitory activities against monoamine oxidases (MAOs) and acetylcholinesterase (AChE). Most of the compounds potently inhibited MAO-B; MO1 most potently inhibited with an IC50 value of 0.030 µM, followed by MO7 (0.25 µM). MO5 most potently inhibited AChE (IC50 = 6.1 µM), followed by MO9 (IC50 = 12.01 µM) and MO7 most potently inhibited MAO-A (IC50 = 7.1 µM). MO1 was a reversible mixed-type inhibitor of MAO-B (Ki = 0.018 µM); MO5 reversibly competitively inhibited AChE (Ki = 2.52 µM); and MO9 reversibly noncompetitively inhibited AChE (Ki = 7.04 µM). MO1, MO5 and MO9 crossed the blood–brain barrier, and were non-toxic to normal VERO cells. These results show that MO1 is a selective inhibitor of MAO-B and that MO5 is a dual-acting inhibitor of AChE and MAO-B, and that both should be considered candidates for the treatment of Alzheimer’s disease.
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Affiliation(s)
- Rani Sasidharan
- College of Pharmaceutical Science, Government T.D. Medical College, Alappuzha, India.,Organic Chemistry Division, SAS, VIT University, Vellore, India
| | - Bo Hyun Eom
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Jeong Hyun Heo
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Jong Eun Park
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Mohamed A Abdelgawad
- Pharmaceutical Chemistry Department, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia.,Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni Suef, Egypt
| | - Arafa Musa
- Department of Pharmacogonosy, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia.,Department of Pharmacogonosy, Al-Azhar University, Cairo, Egypt
| | - Nicola Gambacorta
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Orazio Nicolotti
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | | | - Bijo Mathew
- Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad, India
| | - Hoon Kim
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
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12
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Theoretical study of the impact of metal complexation on the reactivity properties of Curcumin and its diacetylated derivative as antioxidant agents. J Mol Model 2021; 27:192. [PMID: 34057657 DOI: 10.1007/s00894-021-04768-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 04/20/2021] [Indexed: 10/21/2022]
Abstract
The chemical behavior of Curcumin and its derivatives as antioxidant and metal chelator has become the subject of intense experimental research. In this work, a theoretical study was conducted with the aim to investigate whether the acetylation of the aromatic group in Curcumin, which makes it more lipophilic, will alter its biological activities. Also, we selected from the literature metal complexes of Curcumin and its diacetylated derivative with Ga(III) and In(III), in order to discriminate the molecular active sites of the investigated molecules in which the oxidative process occurs and to obtain information about their antioxidation mechanisms. The geometrical structures and electronic properties of these compounds have been obtained using the density functional theory (DFT) method, known for its accurate results. As our other objective is to understand the factors driving biological behavior of all the studied compounds as well as the impact of the metal complexation of Curcumin and its diacetylated derivative, we provided here evidences to explain experimental observations from a molecular reactivity perspective.
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13
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Araújo AR, Castro VI, Reis RL, Pires RA. Glucosamine and Its Analogues as Modulators of Amyloid-β Toxicity. ACS Med Chem Lett 2021; 12:548-554. [PMID: 33859794 PMCID: PMC8040036 DOI: 10.1021/acsmedchemlett.0c00350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 03/17/2021] [Indexed: 01/04/2023] Open
Abstract
In Alzheimer's disease (AD), amyloid-β (Aβ) oligomers are considered key mediators of synaptic dysfunction and cognitive impairment. These unstable intermediate Aβ species can interfere with different cellular organelles, leading to neuronal cell death, through the formation of Ca2+-permeable membrane pores, impairment in the levels of acetylcholine neurotransmitters, increased insulin resistance, promotion of pro-inflammatory cascades, among others. Based on a series of evidences that indicate the key role of glycosaminoglycans (GAGs) in amyloid plaque formation, we evaluated the capacity of four monosaccharides, i.e., glucosamine (GlcN), N-acetyl glucosamine (GlcNAc), glucosamine-6-sulfate (GlcN6S), and glucosamine-6-phosphate (GlcN6P), to reduce the Aβ-mediated pathological hallmarks. The tested monosaccharides, in particular, GlcN6S and GlcN6P, were able to interact with Aβ aggregates, reducing neuronal cell death, Aβ-mediated damage to the cellular membrane, acetylcholinesterase activity, insulin resistance, and pro-inflammation levels.
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Affiliation(s)
- Ana R. Araújo
- 3B’s
Research Group, I3Bs − Research Institute on Biomaterials,
Biodegradables and Biomimetics, University
of Minho, Headquarters of the European
Institute of Excellence on Tissue Engineering and Regenerative Medicine,
AvePark, Parque de Ciência e Tecnologia, Zona Industrial da
Gandra, 4805-017 Barco, Portugal
- ICVS/3B’s
− PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Vânia I.
B. Castro
- 3B’s
Research Group, I3Bs − Research Institute on Biomaterials,
Biodegradables and Biomimetics, University
of Minho, Headquarters of the European
Institute of Excellence on Tissue Engineering and Regenerative Medicine,
AvePark, Parque de Ciência e Tecnologia, Zona Industrial da
Gandra, 4805-017 Barco, Portugal
- ICVS/3B’s
− PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Rui L. Reis
- 3B’s
Research Group, I3Bs − Research Institute on Biomaterials,
Biodegradables and Biomimetics, University
of Minho, Headquarters of the European
Institute of Excellence on Tissue Engineering and Regenerative Medicine,
AvePark, Parque de Ciência e Tecnologia, Zona Industrial da
Gandra, 4805-017 Barco, Portugal
- ICVS/3B’s
− PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Ricardo A. Pires
- 3B’s
Research Group, I3Bs − Research Institute on Biomaterials,
Biodegradables and Biomimetics, University
of Minho, Headquarters of the European
Institute of Excellence on Tissue Engineering and Regenerative Medicine,
AvePark, Parque de Ciência e Tecnologia, Zona Industrial da
Gandra, 4805-017 Barco, Portugal
- ICVS/3B’s
− PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
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14
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Therapeutic potential of mangiferin in the treatment of various neuropsychiatric and neurodegenerative disorders. Neurochem Int 2020; 143:104939. [PMID: 33346032 DOI: 10.1016/j.neuint.2020.104939] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 11/02/2020] [Accepted: 12/12/2020] [Indexed: 12/19/2022]
Abstract
Xanthones are important chemical class of bioactive products that confers therapeutic benefits. Of several xanthones, mangiferin is known to be distributed widely across several fruits, vegetables and medicinal plants. Mangiferin has been shown to exert neuroprotective effects in both in-vitro and in-vivo models. Mangiferin attenuates cerebral infarction, cerebral edema, lipid peroxidation (MDA), neuronal damage, etc. Mangiferin further potentiate levels of endogenous antioxidants to confer protection against the oxidative stress inside the neurons. Mangiferin is involved in the regulation of various signaling pathways that influences the production and levels of proinflammatory cytokines in brain. Mangiferin cosunteracted the neurotoxic effect of amyloid-beta, MPTP, rotenone, 6-OHDA etc and confer protection to neurons. These evidence suggested that the mangiferin may be a potential therapeutic strategy for the treatment of various neurological disorders. The present review demonstrated the pharmacodynamics-pharmacokinetics of mangiferin and neurotherapeutic potential in several neurological disorders with underlying mechanisms.
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15
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Gontijo VS, Viegas FPD, Ortiz CJC, de Freitas Silva M, Damasio CM, Rosa MC, Campos TG, Couto DS, Tranches Dias KS, Viegas C. Molecular Hybridization as a Tool in the Design of Multi-target Directed Drug Candidates for Neurodegenerative Diseases. Curr Neuropharmacol 2020; 18:348-407. [PMID: 31631821 PMCID: PMC7457438 DOI: 10.2174/1385272823666191021124443] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 08/27/2019] [Accepted: 10/19/2019] [Indexed: 12/14/2022] Open
Abstract
Neurodegenerative Diseases (NDs) are progressive multifactorial neurological pathologies related to neuronal impairment and functional loss from different brain regions. Currently, no effective treatments are available for any NDs, and this lack of efficacy has been attributed to the multitude of interconnected factors involved in their pathophysiology. In the last two decades, a new approach for the rational design of new drug candidates, also called multitarget-directed ligands (MTDLs) strategy, has emerged and has been used in the design and for the development of a variety of hybrid compounds capable to act simultaneously in diverse biological targets. Based on the polypharmacology concept, this new paradigm has been thought as a more secure and effective way for modulating concomitantly two or more biochemical pathways responsible for the onset and progress of NDs, trying to overcome low therapeutical effectiveness. As a complement to our previous review article (Curr. Med. Chem. 2007, 14 (17), 1829-1852. https://doi.org/10.2174/092986707781058805), herein we aimed to cover the period from 2008 to 2019 and highlight the most recent advances of the exploitation of Molecular Hybridization (MH) as a tool in the rational design of innovative multifunctional drug candidate prototypes for the treatment of NDs, specially focused on AD, PD, HD and ALS.
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Affiliation(s)
- Vanessa Silva Gontijo
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil.,Programa de Pós-Graduação em Ciências Farmacêuticas, Federal University of Alfenas, 37133-840, Brazil
| | - Flávia P Dias Viegas
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil.,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Brazil
| | - Cindy Juliet Cristancho Ortiz
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil.,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Brazil
| | - Matheus de Freitas Silva
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil.,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Brazil
| | - Caio Miranda Damasio
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil
| | - Mayara Chagas Rosa
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil
| | - Thâmara Gaspar Campos
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil
| | - Dyecika Souza Couto
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil
| | | | - Claudio Viegas
- PeQuiM-Laboratory of Research in Medicinal Chemistry, Institute of Chemistry, Federal University of Alfenas, 37133-840, Brazil.,Programa de Pós-Graduação em Ciências Farmacêuticas, Federal University of Alfenas, 37133-840, Brazil.,Programa de Pós-Graduação em Química, Federal University of Alfenas, 37133-840, Brazil
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16
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Fotopoulos I, Hadjipavlou-Litina D. Hybrids of Coumarin Derivatives as Potent and Multifunctional Bioactive Agents: A Review. Med Chem 2020; 16:272-306. [PMID: 31038071 DOI: 10.2174/1573406415666190416121448] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/22/2019] [Accepted: 04/09/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Coumarins exhibit a plethora of biological activities, e.g. antiinflammatory and anti-tumor. Molecular hybridization technique has been implemented in the design of novel coumarin hybrids with several bioactive groups in order to obtain molecules with better pharmacological activity and improved pharmacokinetic profile. OBJECTIVE Therefore, we tried to gather as many as possible biologically active coumarin hybrids referred in the literature till now, to delineate the structural characteristics in relation to the activities and to have a survey that might help the medicinal chemists to design new coumarin hybrids with drug-likeness and varied bioactivities. RESULTS The biological activities of the hybrids in most of the cases were found to be different from the biological activities presented by the parent coumarins. The results showed that the hybrid molecules are more potent compared to the standard drugs used in the evaluation experiments. CONCLUSION Conjugation of coumarin with varied pharmacophore groups/druglike molecules responsible for different biological activities led to many novel hybrid molecules, with a multitarget behavior and improved pharmacokinetic properties.
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Affiliation(s)
- Ioannis Fotopoulos
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Dimitra Hadjipavlou-Litina
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
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17
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Koshy DS, Das RK. Studies on the role of curcumin concentration, synthesis time, mechanism of formation, and fluorescence properties of curcumin–copper phosphate hybrid nanoflowers. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1841234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Divya Susan Koshy
- TERI-Deakin Nanobiotechnology Centre (TDNBC), The Energy and Resources Institute (TERI), Gual Pahari, Gurugram, Haryana, India
- Institute for Frontier Materials, Deakin University - Geelong Waurn Ponds Campus, Waurn Ponds, VIC, Australia
| | - Ratul Kumar Das
- TERI-Deakin Nanobiotechnology Centre (TDNBC), The Energy and Resources Institute (TERI), Gual Pahari, Gurugram, Haryana, India
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18
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Design, synthesis and biological evaluation of anticholinesterase peptides: Fragment-based vs. template-based peptide design. Bioorg Chem 2020; 105:104351. [PMID: 33068814 DOI: 10.1016/j.bioorg.2020.104351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/19/2020] [Accepted: 10/04/2020] [Indexed: 12/29/2022]
Abstract
The prevalence of Alzheimer's disease (AD) has become a substantial global concern. Approved AChE inhibitors have been used for symptomatic treatment of AD. Binding of amyloid β (Aβ) to the peripheral anionic site of AChE facilitates the formation of Aβ plaques. Blocking this proposed protein-protein interaction by inhibition of the peripheral anionic site of AChE, in addition to increasing the level of ACh, reduces the Aβ aggregation and might qualify to slow down the progression of disease besides the palliative treatment. Targeting protein-protein interactions consider as one of the most challenging issues in the realm of drug design in which peptides have potentials to excel in. In the present study, we applied two virtual fragment-based and template-based approaches to design peptidic inhibitors of the PAS of AChE. Based on the in silico studies, high scored peptides p2 (WTWYGYWVW) and p10 (NHRMLTRRY) obtained from fragment-based and template-based design respectively. Regarding in vitro results, p2 (IC50 = 16 ± 3.2 μM) and p10 (IC50 = 23.6 ± 4.9 μM) showed significant AChE inhibitory effects. The molecular mechanism of inhibition studied by Lineweaver-Burk plots was mixed inhibition for both peptides. The in vitro results conformed to the in silico results and showed that both peptides occupied the CAS and PAS of AChE. The comparison of two peptide-design approaches revealed that the fragment-based design had more chemical diversity and showed priority to the template-based design. According to the obtained results, peptidic inhibitors of AChE designed by the proposed fragment-based approach might be more efficient in comparison to traditional approaches.
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19
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Dogan B, Durdagi S. Drug Re-positioning Studies for Novel HIV-1 Inhibitors Using Binary QSAR Models and Multi-target-driven In Silico Studies. Mol Inform 2020; 40:e2000012. [PMID: 33405326 DOI: 10.1002/minf.202000012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 08/16/2020] [Indexed: 12/20/2022]
Abstract
Current antiretroviral therapies against HIV involve the usage of at least two drugs that target different stages of HIV life cycle. However, potential drug interactions and side effects pose a problem. A promising concept for complex disease treatment is 'one molecule-multiple target' approach to overcome undesired effects of multiple drugs. Additionally, it is beneficial to consider drug re-purposing due to the cost of taking a drug into the market. Taking these into account, here potential anti-HIV compounds are suggested by virtually screening small approved drug molecules and clinical candidates. Initially, binary QSAR models are used to predict the therapeutic activity of around 7900 compounds against HIV and to predict the toxicity of molecules with high therapeutic activities. Selected compounds are considered for molecular docking studies against two targets, HIV-1 protease enzyme, and chemokine co-receptor CCR5. The top docking poses for all 549 molecules are then subjected to short (1 ns) individual molecular dynamics (MD) simulations and they are ranked based on their calculated relative binding free energies. Finally, 25 molecules are selected for long (200 ns) MD simulations, and 5 molecules are suggested as promising multi-target HIV agents. The results of this study may open new avenues for the designing of new dual HIV-1 inhibitor scaffolds.
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Affiliation(s)
- Berna Dogan
- Computational Biology and Molecular Simulations Laboratory, Department of Biophysics, School of Medicine, Bahcesehir University, Istanbul, Turkey
| | - Serdar Durdagi
- Computational Biology and Molecular Simulations Laboratory, Department of Biophysics, School of Medicine, Bahcesehir University, Istanbul, Turkey
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20
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Malar DS, Prasanth MI, Jeyakumar M, Balamurugan K, Devi KP. Vitexin prevents Aβ proteotoxicity in transgenic Caenorhabditis elegans model of Alzheimer's disease by modulating unfolded protein response. J Biochem Mol Toxicol 2020; 35:e22632. [PMID: 32926499 DOI: 10.1002/jbt.22632] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 07/17/2020] [Accepted: 09/02/2020] [Indexed: 01/01/2023]
Abstract
Alzheimer's disease (AD) accounts for an estimated 60% to 80% of all dementia cases. The present study is aimed at evaluating the neuroprotective efficacy of vitexin, an apigenin flavone glycoside using transgenic Caenorhabditis elegans strain (CL2006) of AD. The neuroprotective effect of vitexin was determined using physiological assays, quantitative polymerase chain reaction, and Western blotting. The results of survival and paralysis assay indicate that vitexin (200 μM) significantly extended the lifespan of the nematodes. Vitexin-treated nematodes showed a significant reduction in the expression of Aβ, ace-1, and ace-2 genes when compared to control. Further, vitexin significantly upregulated the expression of acr-8 and dnj-14, and increased the lifespan of the nematodes. Vitexin was also found to modulate the unfolded protein response genes (hsp-4, pek-1, ire-1, and xbp-1) and suppress the expression of Aβ. Overall, the results show that vitexin acts as a neuroprotective agent and protects transgenic C. elegans strains from Aβ proteotoxicity.
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Affiliation(s)
- Dicson Sheeja Malar
- Department of Biotechnology, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Mani Iyer Prasanth
- Department of Biotechnology, Alagappa University, Karaikudi, Tamil Nadu, India
| | | | | | - Kasi Pandima Devi
- Department of Biotechnology, Alagappa University, Karaikudi, Tamil Nadu, India
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21
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Paczkowski IM, Guedes EP, Mass EB, Meneses EW, Marques LA, Mantovani MS, Russowsky D. Synthesis of hybrid perillyl‐4
H
‐pyrans. Cytotoxicity evaluation against hepatocellular carcinoma
HepG2
/
C3A
cell line. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3977] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ingrid M. Paczkowski
- Laboratório de Sínteses Orgânicas, Instituto de QuímicaDepartamento de Química Orgânica, Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
| | - Esthéfani P. Guedes
- Laboratório de Sínteses Orgânicas, Instituto de QuímicaDepartamento de Química Orgânica, Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
| | - Eduardo B. Mass
- Laboratório de Sínteses Orgânicas, Instituto de QuímicaDepartamento de Química Orgânica, Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
| | - Eliana W. Meneses
- Laboratório de Sólidos & Superfícies, Instituto de Química, Departamento de Química InorgânicaUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
| | - Lilian A. Marques
- Laboratório de Genética Toxicológica, Centro de Ciências Biológicas, Departamento de Biologia GeralUniversidade Estadual de Londrina Rodovia Celso Garcia, Londrina Brazil
| | - Mário S. Mantovani
- Laboratório de Genética Toxicológica, Centro de Ciências Biológicas, Departamento de Biologia GeralUniversidade Estadual de Londrina Rodovia Celso Garcia, Londrina Brazil
| | - Dennis Russowsky
- Laboratório de Sínteses Orgânicas, Instituto de QuímicaDepartamento de Química Orgânica, Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
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22
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Novel Class of Chalcone Oxime Ethers as Potent Monoamine Oxidase-B and Acetylcholinesterase Inhibitors. Molecules 2020; 25:molecules25102356. [PMID: 32443652 PMCID: PMC7288026 DOI: 10.3390/molecules25102356] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/13/2020] [Accepted: 05/13/2020] [Indexed: 11/16/2022] Open
Abstract
Previously synthesized novel chalcone oxime ethers (COEs) were evaluated for inhibitory activities against monoamine oxidases (MAOs) and acetylcholinesterase (AChE). Twenty-two of the 24 COEs synthesized, except COE-17 and COE-24, had potent and/or significant selective inhibitory effects on MAO-B. COE-6 potently inhibited MAO-B with an IC50 value of 0.018 µM, which was 105, 2.3, and 1.1 times more potent than clorgyline, lazabemide, and pargyline (reference drugs), respectively. COE-7, and COE-22 were also active against MAO-B, both had an IC50 value of 0.028 µM, which was 67 and 1.5 times lower than those of clorgyline and lazabemide, respectively. Most of the COEs exhibited weak inhibitory effects on MAO-A and AChE. COE-13 most potently inhibited MAO-A (IC50 = 0.88 µM) and also significantly inhibited MAO-B (IC50 = 0.13 µM), and it could be considered as a potential nonselective MAO inhibitor. COE-19 and COE-22 inhibited AChE with IC50 values of 5.35 and 4.39 µM, respectively. The selectivity index (SI) of COE-22 for MAO-B was higher than that of COE-6 (SI = 778.6 vs. 222.2), but the IC50 value (0.028 µM) was slightly lower than that of COE-6 (0.018 µM). In reversibility experiments, inhibitions of MAO-B by COE-6 and COE-22 were recovered to the levels of reference reversible inhibitors and both competitively inhibited MAO-B, with Ki values of 0.0075 and 0.010 µM, respectively. Our results show that COE-6 and COE-22 are potent, selective MAO-B inhibitors, and COE-22 is a candidate of dual-targeting molecule for MAO-B and AChE.
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23
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Target Identification Using Homopharma and Network-Based Methods for Predicting Compounds Against Dengue Virus-Infected Cells. Molecules 2020; 25:molecules25081883. [PMID: 32325755 PMCID: PMC7221756 DOI: 10.3390/molecules25081883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/10/2020] [Accepted: 04/14/2020] [Indexed: 12/28/2022] Open
Abstract
Drug target prediction is an important method for drug discovery and design, can disclose the potential inhibitory effect of active compounds, and is particularly relevant to many diseases that have the potential to kill, such as dengue, but lack any healing agent. An antiviral drug is urgently required for dengue treatment. Some potential antiviral agents are still in the process of drug discovery, but the development of more effective active molecules is in critical demand. Herein, we aimed to provide an efficient technique for target prediction using homopharma and network-based methods, which is reliable and expeditious to hunt for the possible human targets of three phenolic lipids (anarcardic acid, cardol, and cardanol) related to dengue viral (DENV) infection as a case study. Using several databases, the similarity search and network-based analyses were applied on the three phenolic lipids resulting in the identification of seven possible targets as follows. Based on protein annotation, three phenolic lipids may interrupt or disturb the human proteins, namely KAT5, GAPDH, ACTB, and HSP90AA1, whose biological functions have been previously reported to be involved with viruses in the family Flaviviridae. In addition, these phenolic lipids might inhibit the mechanism of the viral proteins: NS3, NS5, and E proteins. The DENV and human proteins obtained from this study could be potential targets for further molecular optimization on compounds with a phenolic lipid core structure in anti-dengue drug discovery. As such, this pipeline could be a valuable tool to identify possible targets of active compounds.
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24
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Azizi Z, Salimi M, Amanzadeh A, Majelssi N, Naghdi N. Carvacrol and Thymol Attenuate Cytotoxicity Induced by Amyloid β25-35 via Activating Protein Kinase C and Inhibiting Oxidative Stress in PC12 Cells. IRANIAN BIOMEDICAL JOURNAL 2020; 24:243-50. [PMID: 32306722 PMCID: PMC7275817 DOI: 10.29252/ibj.24.4.243] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Background Our previous findings indicated that carvacrol and thymol alleviate cognitive impairments caused by Aβ in rodent models of Alzheimer's disease (AD). In this study, the neuroprotective effects of carvacrol and thymol against Aβ25-35-induced cytotoxicity were evaluated, and the potential mechanisms were determined. Methods PC12 cells were pretreated with Aβ25-35 for 2 h, followed by incubation with carvacrol or thymol for additional 48 h. Cell viability was measured by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide method. A flurospectrophotometer was employed to observe the intracellular reactive oxygen species (ROS) production. Protein kinase C (PKC) activity was analyzed using ELISA. Results Our results indicated that carvacrol and thymol could significantly protect PC12 cells against Aβ25-35-induced cytotoxicity. Furthermore, Aβ25-35 could induce intracellular ROS production, while carvacrol and thymol could reverse this effect. Moreover, our findings showed that carvacrol and thymol elevate PKC activity similar to Bryostatin-1, as a PKC activator. Conclusion This study provided the evidence regarding the protective effects of carvacrol and thymol against Aβ25–35-induced cytotoxicity in PC12 cells. The results suggested that the neuroprotective effects of these compounds against Aβ25-35 might be through attenuating oxidative damage and increasing the activity of PKC as a memory-related protein. Thus, carvacrol and thymol were found to have therapeutic potential in preventing or modulating AD.
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Affiliation(s)
- Zahra Azizi
- Department of Physiology and Pharmacology, Pasteur Institute of Iran, Tehran, Iran
| | - Mona Salimi
- Department of Physiology and Pharmacology, Pasteur Institute of Iran, Tehran, Iran
| | - Amir Amanzadeh
- Department of Cell Bank, Pasteur Institute of Iran, Tehran, Iran
| | - Nahid Majelssi
- Department of Physiology and Pharmacology, Pasteur Institute of Iran, Tehran, Iran
| | - Nasser Naghdi
- Department of Physiology and Pharmacology, Pasteur Institute of Iran, Tehran, Iran
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Theoretical and Experimental Approaches Aimed at Drug Design Targeting Neurodegenerative Diseases. Processes (Basel) 2019. [DOI: 10.3390/pr7120940] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In recent years, green chemistry has been strengthening, showing how basic and applied sciences advance globally, protecting the environment and human health. A clear example of this evolution is the synergy that now exists between theoretical and computational methods to design new drugs in the most efficient possible way, using the minimum of reagents and obtaining the maximum yield. The development of compounds with potential therapeutic activity against multiple targets associated with neurodegenerative diseases/disorders (NDD) such as Alzheimer’s disease is a hot topic in medical chemistry, where different scientists from various disciplines collaborate to find safe, active, and effective drugs. NDD are a public health problem, affecting mainly the population over 60 years old. To generate significant progress in the pharmacological treatment of NDD, it is necessary to employ different experimental strategies of green chemistry, medical chemistry, and molecular biology, coupled with computational and theoretical approaches such as molecular simulations and chemoinformatics, all framed in the rational drug design targeting NDD. Here, we review how green chemistry and computational approaches have been used to develop new compounds with the potential application against NDD, as well as the challenges and new directions of the drug development multidisciplinary process.
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Yang GJ, Liu H, Ma DL, Leung CH. Rebalancing metal dyshomeostasis for Alzheimer's disease therapy. J Biol Inorg Chem 2019; 24:1159-1170. [PMID: 31486954 DOI: 10.1007/s00775-019-01712-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 07/29/2019] [Indexed: 12/26/2022]
Abstract
Alzheimer's disease (AD) is a type of neurodegenerative malady that is associated with the accumulation of amyloid plaques. Metal ions are critical for the development and upkeep of brain activity, but metal dyshomeostasis can contribute to the development of neurodegenerative diseases, including AD. This review highlights the association between metal dyshomeostasis and AD pathology, the feasibility of rebalancing metal homeostasis as a therapeutic strategy for AD, and a survey of current drugs that action via rebalancing metal homeostasis. Finally, we discuss the challenges that should be overcome by researchers in the future to enable the practical use of metal homeostasis rebalancing agents for clinical application.
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Affiliation(s)
- Guan-Jun Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, 999078, Macau SAR, China
| | - Hao Liu
- Department of Chemistry, Hong Kong Baptist University, Kowloon, 999077, Hong Kong SAR, China
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon, 999077, Hong Kong SAR, China.
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, 999078, Macau SAR, China.
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27
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Yildiz G, Aydoğmuş Z, Senkal F, Turan G. Investigation of Curcumin Water Solubility Through Emulsifying with Biocompatible Polyethylene Glycol–Based Polymers. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01555-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Meena VK, Chaturvedi S, Sharma RK, Mishra AK, Hazari PP. Potent Acetylcholinesterase Selective and Reversible Homodimeric Agent Based on Tacrine for Theranostics. Mol Pharm 2019; 16:2296-2308. [DOI: 10.1021/acs.molpharmaceut.8b01058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Virendra Kumar Meena
- Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, Brig S.K. Mazumdar Road, Delhi 110054, India
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Shubhra Chaturvedi
- Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, Brig S.K. Mazumdar Road, Delhi 110054, India
| | | | - Anil Kumar Mishra
- Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, Brig S.K. Mazumdar Road, Delhi 110054, India
| | - Puja Panwar Hazari
- Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, Brig S.K. Mazumdar Road, Delhi 110054, India
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Design and development of multitarget-directed N-Benzylpiperidine analogs as potential candidates for the treatment of Alzheimer's disease. Eur J Med Chem 2019; 167:510-524. [DOI: 10.1016/j.ejmech.2019.02.030] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 02/08/2019] [Accepted: 02/09/2019] [Indexed: 11/20/2022]
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30
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Multi-targeting aurones with monoamine oxidase and amyloid-beta inhibitory activities: Structure-activity relationship and translating multi-potency to neuroprotection. Biomed Pharmacother 2019; 110:118-128. [DOI: 10.1016/j.biopha.2018.11.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 11/07/2018] [Accepted: 11/10/2018] [Indexed: 11/24/2022] Open
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31
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Sharma A, Pachauri V, Flora SJS. Advances in Multi-Functional Ligands and the Need for Metal-Related Pharmacology for the Management of Alzheimer Disease. Front Pharmacol 2018; 9:1247. [PMID: 30498443 PMCID: PMC6249274 DOI: 10.3389/fphar.2018.01247] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 10/12/2018] [Indexed: 01/07/2023] Open
Abstract
Alzheimer’s disease (AD) is the age linked neurodegenerative disorder with no disease modifying therapy currently available. The available therapy only offers short term symptomatic relief. Several hypotheses have been suggested for the pathogenesis of the disease while the molecules developed as possible therapeutic agent in the last decade, largely failed in the clinical trials. Several factors like tau protein hyperphosphorylation, amyloid-β (Aβ) peptide aggregation, decline in acetyl cholinesterase and oxidative stress might be contributing toward the pathogenesis of AD. Additionally, biometals dyshomeostasis (Iron, Copper, and Zinc) in the brain are also reported to be involved in the pathogenesis of AD. Thus, targeting these metal ions may be an effective strategy for the development of a drug to treat AD. Chelation therapy is currently employed for the metal intoxication but we lack a safe and effective chelating agents with additional biological properties for their possible use as multi target directed ligands for a complex disease like AD. Chelating agents possess the ability to disaggregate Aβ aggregation, dissolve amyloid plaques, and delay the cognitive impairment. Thus there is an urgent need to develop disease modifying therapeutic molecules with multiple beneficial features like targeting more than one factor responsible of the disease. These molecules, as disease modifying therapeutic agents for AD, should possess the potential to inhibit Aβ-metal interactions, the formation of toxic Aβ aggregates; and the capacity to reinstate metal homeostasis.
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Affiliation(s)
- Abha Sharma
- Department of Pharmacology and Toxicology and Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Vidhu Pachauri
- Department of Pharmacology and Toxicology and Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - S J S Flora
- Department of Pharmacology and Toxicology and Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
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Vendrusculo V, de Souza VP, M Fontoura LA, M D'Oca MG, Banzato TP, Monteiro PA, Pilli RA, de Carvalho JE, Russowsky D. Synthesis of novel perillyl-dihydropyrimidinone hybrids designed for antiproliferative activity. MEDCHEMCOMM 2018; 9:1553-1564. [PMID: 30288229 PMCID: PMC6151448 DOI: 10.1039/c8md00270c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2018] [Accepted: 07/27/2018] [Indexed: 12/29/2022]
Abstract
A series of fifteen novel dihydropyrimidinone hybrid compounds were synthesized in good yields via a multicomponent reaction combined with the Huisgen reaction. The antiproliferative activity was investigated against nine tumor cell lines, and four hybrid compounds (TGI < 10 μM) showed promising antiproliferative activity against the tumor cell lines OVCAR-3 (ovarian), UACC-62 (melanoma) and U251 (glioma). Several hybrid compounds assayed have high TGI values (TGI 147.92-507.82) for the human keratinocyte cell line (HaCat), which reveals selectivity to cancer cells.
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Affiliation(s)
- Vinicius Vendrusculo
- Instituto de Química , Universidade Federal do Rio Grande do Sul , Porto Alegre , RS , Brazil .
| | - Vanessa P de Souza
- Instituto de Química , Universidade Federal do Rio Grande do Sul , Porto Alegre , RS , Brazil .
| | - Luiz Antônio M Fontoura
- Fundação da Ciência e Tecnologia do Estado do Rio Grande do Sul , Porto Alegre , RS , Brazil
- PPGEMPS , Universidade Luterana do Brasil , Canoas , RS , Brazil
| | - Marcelo G M D'Oca
- Escola de Química e Alimentos , Universidade Federal do Rio Grande , Rio Grande , RS , Brazil
| | - Thais P Banzato
- Instituto de Biologia , Universidade Estadual Campinas , Campinas , SP , Brazil
- Centro de Pesquisas Químicas , Biológicas e Agrícolas , Universidade Estadual de Campinas , Campinas , SP , Brazil
| | - Paula A Monteiro
- Instituto de Biologia , Universidade Estadual Campinas , Campinas , SP , Brazil
- Centro de Pesquisas Químicas , Biológicas e Agrícolas , Universidade Estadual de Campinas , Campinas , SP , Brazil
| | - Ronaldo A Pilli
- Instituto de Química , Universidade Estadual de Campinas , Campinas , SP , Brazil
| | - João Ernesto de Carvalho
- Instituto de Biologia , Universidade Estadual Campinas , Campinas , SP , Brazil
- Centro de Pesquisas Químicas , Biológicas e Agrícolas , Universidade Estadual de Campinas , Campinas , SP , Brazil
| | - Dennis Russowsky
- Instituto de Química , Universidade Federal do Rio Grande do Sul , Porto Alegre , RS , Brazil .
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Krug R, Schröder D, Gebauer J, Suljić S, Morimoto Y, Fujieda N, Itoh S, Pietruszka J. Tyrosinases in Organic Chemistry: A Versatile Tool for the α-Arylation of β-Dicarbonyl Compounds. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800188] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Roxanne Krug
- Institut für Bioorganische Chemie; Heinrich-Heine Universität Düsseldorf located at the Forschungszentrum Jülich; 52425 Jülich Germany
| | - Dennis Schröder
- Institut für Bio- und Geowissenschaften (IBG-1: Biotechnologie); Forschungszentrum Jülich; 52425 Jülich Germany
| | - Jan Gebauer
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Sanel Suljić
- Institut für Bioorganische Chemie; Heinrich-Heine Universität Düsseldorf located at the Forschungszentrum Jülich; 52425 Jülich Germany
| | - Yuma Morimoto
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Nobutaka Fujieda
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Shinobu Itoh
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Jörg Pietruszka
- Institut für Bioorganische Chemie; Heinrich-Heine Universität Düsseldorf located at the Forschungszentrum Jülich; 52425 Jülich Germany
- Institut für Bio- und Geowissenschaften (IBG-1: Biotechnologie); Forschungszentrum Jülich; 52425 Jülich Germany
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34
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Dias Viegas FP, de Freitas Silva M, Divino da Rocha M, Castelli MR, Riquiel MM, Machado RP, Vaz SM, Simões de Lima LM, Mancini KC, Marques de Oliveira PC, Morais ÉP, Gontijo VS, da Silva FMR, D'Alincourt da Fonseca Peçanha D, Castro NG, Neves GA, Giusti-Paiva A, Vilela FC, Orlandi L, Camps I, Veloso MP, Leomil Coelho LF, Ionta M, Ferreira-Silva GÁ, Pereira RM, Dardenne LE, Guedes IA, de Oliveira Carneiro Junior W, Quaglio Bellozi PM, Pinheiro de Oliveira AC, Ferreira FF, Pruccoli L, Tarozzi A, Viegas C. Design, synthesis and pharmacological evaluation of N-benzyl-piperidinyl-aryl-acylhydrazone derivatives as donepezil hybrids: Discovery of novel multi-target anti-alzheimer prototype drug candidates. Eur J Med Chem 2018; 147:48-65. [PMID: 29421570 DOI: 10.1016/j.ejmech.2018.01.066] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 12/23/2022]
Abstract
A new series of sixteen multifunctional N-benzyl-piperidine-aryl-acylhydrazones hybrid derivatives was synthesized and evaluated for multi-target activities related to Alzheimer's disease (AD). The molecular hybridization approach was based on the combination, in a single molecule, of the pharmacophoric N-benzyl-piperidine subunit of donepezil, the substituted hydroxy-piperidine fragment of the AChE inhibitor LASSBio-767, and an acylhydrazone linker, a privileged structure present in a number of synthetic aryl- and aryl-acylhydrazone derivatives with significant AChE and anti-inflammatory activities. Among them, compounds 4c, 4d, 4g and 4j presented the best AChE inhibitory activities, but only compounds 4c and 4g exhibited concurrent anti-inflammatory activity in vitro and in vivo, against amyloid beta oligomer (AβO) induced neuroinflammation. Compound 4c also showed the best in vitro and in vivo neuroprotective effects against AβO-induced neurodegeneration. In addition, compound 4c showed a similar binding mode to donepezil in both acetylated and free forms of AChE enzyme in molecular docking studies and did not show relevant toxic effects on in vitro and in vivo assays, with good predicted ADME parameters in silico. Overall, all these results highlighted compound 4c as a promising and innovative multi-target drug prototype candidate for AD treatment.
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Affiliation(s)
- Flávia Pereira Dias Viegas
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Matheus de Freitas Silva
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Miguel Divino da Rocha
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Maísa Rosa Castelli
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Mariana Máximo Riquiel
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Rafael Pereira Machado
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Sarah Macedo Vaz
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Laís Medeiros Simões de Lima
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Karla Cristine Mancini
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | | | - Élida Parreira Morais
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Vanessa Silva Gontijo
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil
| | - Fernanda Motta R da Silva
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, RJ 21941-902, Brazil
| | | | - Newton Gonçalves Castro
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, RJ 21941-902, Brazil
| | - Gilda A Neves
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, RJ 21941-902, Brazil
| | - Alexandre Giusti-Paiva
- Institute of Biomedical Sciences, Federal University of Minas Gerais, MG 37130-000, Brazil
| | - Fabiana Cardoso Vilela
- Institute of Biomedical Sciences, Federal University of Minas Gerais, MG 37130-000, Brazil
| | - Lidiane Orlandi
- Institute of Biomedical Sciences, Federal University of Minas Gerais, MG 37130-000, Brazil
| | - Ihosvany Camps
- Institute of Exact Sciences, Federal University of Alfenas, MG 37130-000, Brazil
| | | | - Luis Felipe Leomil Coelho
- Laboratory of Vaccines, Institute of Biomedical Sciences, Federal University of Alfenas, MG 37130-000, Brazil
| | - Marisa Ionta
- Institute of Biomedical Sciences, Federal University of Minas Gerais, MG 37130-000, Brazil
| | | | | | - Laurent E Dardenne
- National Laboratory of Computational Sciences, Petrópolis, RJ 25651-075, Brazil
| | | | | | | | | | - Fábio Furlan Ferreira
- Centre of Natural and Human Sciences, Federal University of ABC, Santo André, SP 09210-580, Brazil
| | - Letizia Pruccoli
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Rimini 47921, Italy
| | - Andrea Tarozzi
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Rimini 47921, Italy
| | - Claudio Viegas
- Institute of Chemistry, Laboratory of Research on Medicinal Chemistry, Federal University of Alfenas, MG 37133-840, Brazil.
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Denya I, Malan SF, Enogieru AB, Omoruyi SI, Ekpo OE, Kapp E, Zindo FT, Joubert J. Design, synthesis and evaluation of indole derivatives as multifunctional agents against Alzheimer's disease. MEDCHEMCOMM 2018; 9:357-370. [PMID: 30108930 DOI: 10.1039/c7md00569e] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 01/14/2018] [Indexed: 12/25/2022]
Abstract
A series of indole derivatives was designed and synthesised to improve on activity and circumvent pharmacokinetic limitations experienced with the structurally related compound, ladostigil. The compounds consisted of a propargylamine moiety (a known MAO inhibitor and neuroprotector) at the N1 position and a ChE inhibiting diethyl-carbamate/urea moiety at the 5 or 6 position of the indole ring. In order to prevent or slow down the in vivo hydrolysis and deactivation associated with the carbamate function of ladostigil, a urea moeity was incorporated into selected compounds to obtain more metabolically stable structures. The majority of the synthesised compounds showed improved MAO-A inhibitory activity compared to ladostigil. The compounds possessing the propargylamine moiety showed good MAO-B inhibitory activity with 6 and 8 portraying IC50 values between 14-20 fold better than ladostigil. The ChE assay results indicated that the compounds have non-selective inhibitory activities on eeAChE and eqBuChE regardless of the type or position of substitution (IC50: 2-5 μM). MAO-A and MAO-B docking results showed that the propargylamine moiety was positioned in close proximity to the FAD cofactor suggesting that the good inhibitory activity may be attributed to the propargylamine moiety and irreversible inhibition as confirmed in the reversibility studies. Docking results also indicated that the compounds have interactions with important amino acids in the AChE and BuChE catalytic sites. Compound 6 was the most potent multifunctional agent showing better inhibitory activity than ladostigil in vitro on all enzymes tested (hMAO-A IC50 = 4.31 μM, hMAO-B IC50 = 2.62 μM, eeAChE IC50 = 3.70 μM, eqBuChE IC50 = 2.82 μM). Chemical stability tests confirmed the diethyl-urea containing compound 6 to be more stable than its diethyl-carbamate containing counterpart compound 8. Compound 6 also exerted significant neuroprotection (52.62% at 1 μM) against MPP+ insult to SH-SY5Y neural cells and has good in silico predicted ADMET properties. The favourable neuronal enzyme inhibitory activity, likely improved pharmacokinetic properties in vivo and the potent neuroprotective ability of compound 6 make it a promising compound for further development.
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Affiliation(s)
- Ireen Denya
- Pharmaceutical Chemistry , School of Pharmacy , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa . ; Tel: +27 21 959 2195
| | - Sarel F Malan
- Pharmaceutical Chemistry , School of Pharmacy , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa . ; Tel: +27 21 959 2195
| | - Adaze B Enogieru
- Department of Medical Biosciences , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa
| | - Sylvester I Omoruyi
- Department of Medical Biosciences , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa
| | - Okobi E Ekpo
- Department of Medical Biosciences , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa
| | - Erika Kapp
- Pharmaceutical Chemistry , School of Pharmacy , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa . ; Tel: +27 21 959 2195
| | - Frank T Zindo
- Pharmaceutical Chemistry , School of Pharmacy , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa . ; Tel: +27 21 959 2195
| | - Jacques Joubert
- Pharmaceutical Chemistry , School of Pharmacy , University of the Western Cape , Private Bag X17 , Bellville 7535 , South Africa . ; Tel: +27 21 959 2195
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Aarthy M, Panwar U, Selvaraj C, Singh SK. Advantages of Structure-Based Drug Design Approaches in Neurological Disorders. Curr Neuropharmacol 2017; 15:1136-1155. [PMID: 28042767 PMCID: PMC5725545 DOI: 10.2174/1570159x15666170102145257] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 11/05/2016] [Accepted: 11/03/2016] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE The purpose of the review is to portray the theoretical concept on neurological disorders from research data. BACKGROUND The freak changes in chemical response of nerve impulse causes neurological disorders. The research evidence of the effort done in the older history suggests that the biological drug targets and their effective feature with responsive drugs could be valuable in promoting the future development of health statistics structure for improved treatment for curing the nervous disorders. METHODS In this review, we summarized the most iterative theoretical concept of structure based drug design approaches in various neurological disorders to unfathomable understanding of reported information for future drug design and development. RESULTS On the premise of reported information we analyzed the model of theoretical drug designing process for understanding the mechanism and pathology of the neurological diseases which covers the development of potentially effective inhibitors against the biological drug targets. Finally, it also suggests the management and implementation of the current treatment in improving the human health system behaviors. CONCLUSION With the survey of reported information we concluded the development strategies of diagnosis and treatment against neurological diseases which leads to supportive progress in the drug discovery.
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Affiliation(s)
- Murali Aarthy
- Computer Aided Drug Design and Molecular Modeling Lab, Department of Bioinformatics, Alagappa University, Karaikudi-630004, Tamil Nadu, India
| | - Umesh Panwar
- Computer Aided Drug Design and Molecular Modeling Lab, Department of Bioinformatics, Alagappa University, Karaikudi-630004, Tamil Nadu, India
| | - Chandrabose Selvaraj
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Postal Code: 143-701, Seoul, Korea
| | - Sanjeev Kumar Singh
- Computer Aided Drug Design and Molecular Modeling Lab, Department of Bioinformatics, Alagappa University, Karaikudi-630004, Tamil Nadu, India
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Kantham S, Chan S, McColl G, Miles JA, Veliyath SK, Deora GS, Dighe SN, Khabbazi S, Parat MO, Ross BP. Effect of the Biphenyl Neolignan Honokiol on Aβ 42-Induced Toxicity in Caenorhabditis elegans, Aβ 42 Fibrillation, Cholinesterase Activity, DPPH Radicals, and Iron(II) Chelation. ACS Chem Neurosci 2017. [PMID: 28650631 DOI: 10.1021/acschemneuro.7b00071] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The biphenyl neolignan honokiol is a neuroprotectant which has been proposed as a treatment for central nervous system disorders such as Alzheimer's disease (AD). The death of cholinergic neurons in AD is attributed to multiple factors, including accumulation and fibrillation of amyloid beta peptide (Aβ) within the brain; metal ion toxicity; and oxidative stress. In this study, we used a transgenic Caenorhabditis elegans model expressing full length Aβ42 as a convenient in vivo system for examining the effect of honokiol against Aβ-induced toxicity. Furthermore, honokiol was evaluated for its ability to inhibit Aβ42 oligomerization and fibrillation; inhibit acetylcholinesterase and butyrylcholinesterase; scavenge 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals; and chelate iron(II). Honokiol displayed activity similar to that of resveratrol and (-)-epigallocatechin gallate (EGCG) in delaying Aβ42-induced paralysis in C. elegans, and it exhibited moderate-to-weak ability to inhibit Aβ42 on-pathway aggregation, inhibit cholinesterases, scavenge DPPH radicals, and chelate iron(II). Moreover, honokiol was found to be chemically stable relative to EGCG, which was highly unstable. Together with its good drug-likeness and brain availability, these results suggest that honokiol may be amenable to drug development and that the synthesis of honokiol analogues to optimize these properties should be considered.
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Affiliation(s)
- Srinivas Kantham
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Stephen Chan
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Gawain McColl
- The
Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Jared A. Miles
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Suresh Kumar Veliyath
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Girdhar Singh Deora
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Satish N. Dighe
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Samira Khabbazi
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Marie-Odile Parat
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Benjamin P. Ross
- School
of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
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Maruca A, Moraca F, Rocca R, Molisani F, Alcaro F, Gidaro MC, Alcaro S, Costa G, Ortuso F. Chemoinformatic Database Building and in Silico Hit-Identification of Potential Multi-Targeting Bioactive Compounds Extracted from Mushroom Species. Molecules 2017; 22:E1571. [PMID: 32961649 PMCID: PMC6151421 DOI: 10.3390/molecules22091571] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 09/13/2017] [Accepted: 09/17/2017] [Indexed: 01/30/2023] Open
Abstract
Mushrooms are widely-consumed fungi which contain natural compounds that can be used both for their nutritive and medicinal properties, i.e., taking advantage of their antimicrobial, antiviral, antitumor, anti-allergic, immunomodulation, anti-inflammatory, anti-atherogenic, hypoglycemic, hepatoprotective and antioxidant effects. Currently, scientific interest in natural compounds extracted from the fungal species is increasing because these compounds are also known to have pharmacological/biological activity. Unfortunately, however, their mechanisms of action are often unknown, not well understood or have not been investigated in their entirety. Given the poly-pharmacological properties of bioactive fungal compounds, it was decided to carry out a multi-targeted approach to predict possible interactions occurring among bioactive natural fungal extracts and several macromolecular targets that are therapeutically interesting, i.e., proteins, enzymes and nucleic acids. A chemical database of compounds extracted from both edible and no-edible mushrooms was created. This database was virtually screened against 43 macromolecular targets downloaded from the Protein Data Bank website. The aim of this work is to provide a molecular description of the main interactions involving ligand/multi-target recognition in order to understand the polypharmacological profile of the most interesting fungal extracts and to suggest a design strategy of new multi-target agents.
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Affiliation(s)
| | | | | | | | | | | | - Stefano Alcaro
- Laboratorio di Chimica Farmaceutica, Dipartimento di Scienze della Salute, Università “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (A.M.); (F.Mor.); (R.R.); (F.Mol.); (F.A.); (M.C.G.); (G.C.); (F.O.)
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Kumar A, Srivastava G, Sharma A. A physicochemical descriptor based method for effective and rapid screening of dual inhibitors against BACE-1 and GSK-3β as targets for Alzheimer's disease. Comput Biol Chem 2017; 71:1-9. [PMID: 28950235 DOI: 10.1016/j.compbiolchem.2017.09.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 08/22/2017] [Accepted: 09/02/2017] [Indexed: 01/06/2023]
Abstract
Due to multifactorial nature of Alzheimer's disease one target-one ligand hypothesis often looks insufficient. BACE-1 and GSK-3β are well established therapeutic drug targets and interaction between BACE-1 and GSK-3β pathways has also been established. Thus, designing of dual inhibitor for these two targets seems rational and may provide effective therapeutic strategies against AD. Recent studies revealed that only two scaffolds i.e. triazinone and curcumin act as a dual inhibitor against BACE-1 and GSK-3β. Thus, this discovery set the path to screen new chemical entities from a vast chemical space (∼1060 compounds) that inhibit both the targets. However, small part of the large chemical space will only show biological activity for specific targets. Virtual screening of large libraries is impractical and computational expensive especially in case of dual inhibitor design. In the case of dual or multi target inhibitor designing, we screened the database for each target that further increases time and resources. In this study we have done physicochemical descriptor based profiling to know the biological relevant chemical space for BACE-1 and GSK-3β inhibitors and proposed the suitable range of important physicochemical properties, occurrence of functional groups. We generated scaffolds tree of known inhibitors of BACE-1 and GSK-3β suggesting the common structure/fragment that can be used to design dual inhibitors. This approach can filter the potential dual inhibitor candidates of BACE-1 and GSK-3β from non inhibitors.
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Affiliation(s)
- Akhil Kumar
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, P.O. CIMAP, Lucknow - 226015, U.P., India.
| | - Gaurava Srivastava
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, P.O. CIMAP, Lucknow - 226015, U.P., India.
| | - Ashok Sharma
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, P.O. CIMAP, Lucknow - 226015, U.P., India.
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40
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Kumar Singh A, Tripathi AC, Tewari A, Chawla V, Saraf SK. Design and microwave facilitated green synthesis of 2-[4-(3-carboxymethyl, methoxy carbonylmethyl-2,4-dioxo and 4-oxo-2-thioxo-thiazolidin-5-ylidenemethyl)-phenoxy]-2 and 3-methyl propionic acid ethyl ester derivatives: a novel structural class of antidyslipidemic agents. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1875-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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41
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Li Q, Qu FL, Gao Y, Jiang YP, Rahman K, Lee KH, Han T, Qin LP. Piper sarmentosum Roxb. produces antidepressant-like effects in rodents, associated with activation of the CREB-BDNF-ERK signaling pathway and reversal of HPA axis hyperactivity. JOURNAL OF ETHNOPHARMACOLOGY 2017; 199:9-19. [PMID: 28126450 DOI: 10.1016/j.jep.2017.01.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 01/16/2017] [Accepted: 01/19/2017] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE There are many plants of genus Piper which have been reported to induce antidepressant-like effects, Piper sarmentosum (PS) is one of them. PS is a Chinese herbal medicine and a traditional edible vegetable. MATERIALS AND METHODS In the present study, the antidepressant-like effects of PS extracts and the ethyl acetate fraction of PS extracts (PSY) were assessed using the open field test (OFT), forced swimming test (FST), and tail suspension test (TST) in mice. Furthermore, we applied a 4 consecutive weeks of chronic unpredictable mild stress (CUMS) as a model of depression in rats, followed by a sucrose preference test. Then we examined the possible mechanisms of this action. The activity of the hypothalamic-pituitary-adrenal (HPA) axis was evaluated by detecting the serum corticosterone (CORT) concentrations, and the protein expression levels of brain-derived neurotrophic factor (BDNF), the phosphorylated form CREB and ERK1/2 were detected by qRT-PCR or Western blot. RESULTS The results showed that PS extracts (100, 200mg/kg) and PSY (12.5, 25, 50mg/kg) treatment produced antidepressant-like effects in mice similar to fluoxetine (20mg/kg), indicated by the reduced immobility time in the FST and TST, while both had no influence on the locomotor activity in the OFT. PSY treatment significantly increased sucrose preference and reduced serum CORT levels in CUMS rats. Moreover, PSY up-regulated BDNF protein levels, and increased CREB and ERK phosphorylation levels in the hippocampus on CUMS rats. CONCLUSIONS These findings suggest that the antidepressant-like effects of PS extracts and PSY are mediated, at least in part, by modulating HPA axis, BDNF, CREB and ERK phosphorylation and expression in the hippocampus.
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Affiliation(s)
- Qing Li
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, PR China; The 102nd Hospital of PLA, 55 Heping North Road, Changzhou 213003, PR China
| | - Fa-Lin Qu
- The 102nd Hospital of PLA, 55 Heping North Road, Changzhou 213003, PR China
| | - Yue Gao
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, PR China
| | - Yi-Ping Jiang
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, PR China
| | - Khalid Rahman
- Faculty of Science, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7568, United States
| | - Ting Han
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, PR China; Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7568, United States.
| | - Lu-Ping Qin
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, PR China.
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42
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Xanthone and Flavone Derivatives as Dual Agents with Acetylcholinesterase Inhibition and Antioxidant Activity as Potential Anti-Alzheimer Agents. J CHEM-NY 2017. [DOI: 10.1155/2017/8587260] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Alzheimer’s disease (AD) is a multifactorial neurodegenerative disorder that is associated with the elderly. The current therapy that is used to treat AD is based mainly on the administration of acetylcholinesterase (AChE) inhibitors. Due to their low efficacy there is a considerable need for other therapeutic strategies. Considering that the malfunctions of different, but interconnected, biochemical complex pathways play an important role in the pathogenesis of this disease, a promising therapy may consist in administration of drugs that act on more than a target on biochemical scenery of AD. In this work, the synthesis and evaluation of xanthone and flavone derivatives as antioxidants with AChE inhibitory activity were accomplished. Among the obtained compounds, Mannich bases3and14showed capacity to inhibit AChE and antioxidant property, exerting dual activity. Moreover, for the most promising AChE inhibitors, docking studies on the target have been performed aiming to predict the binding mechanism. The results presented here may help to identify new xanthone and flavone derivatives as dual anti-Alzheimer agents with AChE inhibitory and antioxidant activities.
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43
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Pouramiri B, Moghimi S, Mahdavi M, Nadri H, Moradi A, Tavakolinejad-Kermani E, Firoozpour L, Asadipour A, Foroumadi A. Synthesis and anticholinesterase activity of new substituted benzo[d]oxazole-based derivatives. Chem Biol Drug Des 2016; 89:783-789. [PMID: 27863021 DOI: 10.1111/cbdd.12902] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 10/23/2016] [Accepted: 10/25/2016] [Indexed: 01/05/2023]
Abstract
A series of novel benzo[d]oxazole derivatives (6a-n) have been synthesized and biologically evaluated as potential inhibitors of acetylcholinesterases (AChE) and butyrylcholinesterase (BChE). The chemical structures of all final compounds were confirmed by spectroscopic methods. In vitro studies showed that most of the synthesized compounds are potent acetylcholinesterase and butyrylcholinesterase inhibitors. Among them, compounds 6a and 6j strongly inhibited AChE and BChE activities with IC50 values of 1.03-1.35 and 6.6-8.1 μm, respectively. Docking studies also provided the binding modes of action and identified hydrophobic pi forces as the main interaction.
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Affiliation(s)
- Behjat Pouramiri
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Setareh Moghimi
- Drug Design and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mahdavi
- Drug Design and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamid Nadri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Alireza Moradi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Loghman Firoozpour
- Drug Design and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Asadipour
- Department of Medicinal Chemistry, Faculty of Pharmacy and Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy and Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
- Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran
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44
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Palakurti R, Vadrevu R. Identification of abelson tyrosine kinase inhibitors as potential therapeutics for Alzheimer's disease using multiple e-pharmacophore modeling and molecular dynamics. J Biomol Struct Dyn 2016; 35:883-896. [PMID: 26982633 DOI: 10.1080/07391102.2016.1166454] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Efforts to combat Alzheimer's disease are focused predominantly on inhibiting the activity of the enzyme(s) that have been identified to be responsible for the production of the amyloid-forming peptide. However, the inherent complexity associated with the network of pathways leading to the disease may involve additional targets for designing effective therapies. Recent experimental findings have identified abelson tyrosine kinase, a non-receptor kinase as a new target for Alzheimer's. In this work, we employed energy optimized multiple pharmacophore modeling strategy from multiple c-Abl structures bound with ligands in the inactive ATP binding conformation (DFG-out). Virtual screening followed by docking of molecules from ChemBridge resulted in the identification of 10 best scoring molecules. MD simulations of the top three complexes revealed that Compound A, C are the most stable complexes with the most persistent protein-ligand interactions consistent with the calculated binding affinities for the top three compounds. Given the implied role of c-Abl not only in AD but in Parkinson's disease, the identified compounds may serve as leads for effective neurotherapeutics.
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Affiliation(s)
- Ravichand Palakurti
- a Department of Biological Sciences , Birla Institute of Technology & Science-Pilani , Hyderabad Campus, Jawaharnagar, Hyderabad 500078 , Telangana , India
| | - Ramakrishna Vadrevu
- a Department of Biological Sciences , Birla Institute of Technology & Science-Pilani , Hyderabad Campus, Jawaharnagar, Hyderabad 500078 , Telangana , India
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45
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Jourdan JP, Since M, El Kihel L, Lecoutey C, Corvaisier S, Legay R, Sopkova-de Oliveira Santos J, Cresteil T, Malzert-Fréon A, Rochais C, Dallemagne P. Novel benzylidenephenylpyrrolizinones with pleiotropic activities potentially useful in Alzheimer's disease treatment. Eur J Med Chem 2016; 114:365-79. [PMID: 27046230 DOI: 10.1016/j.ejmech.2016.03.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 03/09/2016] [Accepted: 03/10/2016] [Indexed: 12/21/2022]
Abstract
This work describes the synthesis and the biological evaluation of novel benzylidenephenylpyrrolizinones as potential antioxidant, metal chelating or amyloid β (βA) aggregation inhibitors. Some derivatives exhibited interesting results in regard to several of the performed evaluations and appear as valuable Multi-Target Directed Ligands with potential therapeutic interest in Alzheimer's disease. Among them, compound 29 particularly appears as a valuable radical and NO scavenger, a Cu(II) and Fe(II) chelating agent and exhibits moderate βA aggregation inhibition properties. These activities, associated to a good predictive bioavailability and a lack of cytotoxicity, design it as a promising hit for further in vivo investigation.
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Affiliation(s)
- Jean-Pierre Jourdan
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Marc Since
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Laïla El Kihel
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Cédric Lecoutey
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Sophie Corvaisier
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Rémi Legay
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | | | - Thierry Cresteil
- CIBLOT, IPSIT - IFR14, 5 rue Jean Baptiste Clément, 92290 Chatenay-Malabry, France
| | - Aurélie Malzert-Fréon
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France
| | - Christophe Rochais
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France.
| | - Patrick Dallemagne
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032 Caen, France.
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46
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Jankun J, Wyganowska-Świątkowska M, Dettlaff K, Jelińska A, Surdacka A, Wątróbska-Świetlikowska D, Skrzypczak-Jankun E. Determining whether curcumin degradation/condensation is actually bioactivation (Review). Int J Mol Med 2016; 37:1151-8. [PMID: 26985652 DOI: 10.3892/ijmm.2016.2524] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 02/24/2016] [Indexed: 11/05/2022] Open
Abstract
Curcumin has been shown to exert therapeutic or protective effects against a variety of diseases, such as cancer, pulmonary diseases, neurological, liver, metabolic, autoimmune, cardiovascular diseases and numerous other chronic ailments. Over 116 clinical studies on curcumin in humans were registered with the US National Institutes of Health in 2015. However, it is mystifying how curcumin can be so effective in the treatment of many diseases since it has very low water solubility and bioavailability. Furthermore, curcumin is not stable under various conditions; its degradation or condensation into different bioactive compounds may be responsible for its biological activities rather than curcumin itself. In this review, we provide evidence of curcumin degradation and condensation into different compounds which have or may have health benefits themselves. Literature reviews strongly suggest that these molecules contribute to the observed health benefits, rather than curcumin itself.
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Affiliation(s)
- Jerzy Jankun
- Urology Research Center, Department of Urology, College of Medicine, University of Toledo, Toledo, OH 43614, USA
| | | | - Katarzyna Dettlaff
- Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Ponań, Poland
| | - Anna Jelińska
- Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Ponań, Poland
| | - Anna Surdacka
- Department of Conservative Dentistry and Periodontology, Poznań University of Medical Sciences, 60-812 Poznan, Poland
| | | | - Ewa Skrzypczak-Jankun
- Urology Research Center, Department of Urology, College of Medicine, University of Toledo, Toledo, OH 43614, USA
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47
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Screening of lipase inhibitors from Scutellaria baicalensis extract using lipase immobilized on magnetic nanoparticles and study on the inhibitory mechanism. Anal Bioanal Chem 2016; 408:2275-83. [DOI: 10.1007/s00216-016-9320-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 12/28/2015] [Accepted: 01/07/2016] [Indexed: 01/21/2023]
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48
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Singh M, Kaur M, Chadha N, Silakari O. Hybrids: a new paradigm to treat Alzheimer’s disease. Mol Divers 2015; 20:271-97. [DOI: 10.1007/s11030-015-9628-9] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 07/29/2015] [Indexed: 12/19/2022]
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49
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Plant Natural Products Calycosin and Gallic Acid Synergistically Attenuate Neutrophil Infiltration and Subsequent Injury in Isoproterenol-Induced Myocardial Infarction: A Possible Role for Leukotriene B4 12-Hydroxydehydrogenase? OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:434052. [PMID: 26265982 PMCID: PMC4523677 DOI: 10.1155/2015/434052] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Revised: 06/16/2015] [Accepted: 06/24/2015] [Indexed: 01/29/2023]
Abstract
Leukotriene B4 12-hydroxydehydrogenase (LTB4DH) catalyzes the oxidation of proinflammatory LTB4 into less bioactive 12-oxo-LTB4. We recently discovered that LTB4DH was induced by two different natural products in combination. We previously isolated gallic acid from Radix Paeoniae through a bioactivity-guided fractionation procedure. The purpose of this study is to test the hypothesis that LTB4DH inducers may suppress neutrophil-mediated inflammation in myocardial infarction. We first isolated the active compound(s) from another plant, Radix Astragali, by the similar strategy. By evaluating LTB4DH induction, we identified calycosin and formononetin from Radix Astragali by HPLC-ESI-MS technique. We confirmed that gallic acid and commercial calycosin or formononetin could synergistically induce LTB4DH expression in HepG2 cells and human neutrophils. Moreover, calycosin and gallic acid attenuated the effects of LTB4 on the survival and chemotaxis of neutrophil cell culture. We further demonstrated that calycosin and gallic acid synergistically suppressed neutrophil infiltration and protected cardiac integrity in the isoproterenol-induced mice model of myocardial infarction. Calycosin and gallic acid dramatically suppressed isoproterenol-induced increase in myeloperoxidase (MPO) activity and malondialdehyde (MDA) level. Collectively, our results suggest that LTB4DH inducers (i.e., calycosin and gallic acid) may be a novel combined therapy for the treatment of neutrophil-mediated myocardial injury.
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50
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Blood–brain barrier permeable anticholinesterase aurones: Synthesis, structure–activity relationship, and drug-like properties. Eur J Med Chem 2015; 94:195-210. [DOI: 10.1016/j.ejmech.2015.02.055] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 02/26/2015] [Accepted: 02/27/2015] [Indexed: 11/29/2022]
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