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Mayo P, Pascual J, Crisman E, Domínguez C, López MG, León R. Innovative pathological network-based multitarget approaches for Alzheimer's disease treatment. Med Res Rev 2024. [PMID: 38678582 DOI: 10.1002/med.22045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/02/2024] [Accepted: 04/14/2024] [Indexed: 05/01/2024]
Abstract
Alzheimer's disease (AD) is the most prevalent neurodegenerative disease and is a major health threat globally. Its prevalence is forecasted to exponentially increase during the next 30 years due to the global aging population. Currently, approved drugs are merely symptomatic, being ineffective in delaying or blocking the relentless disease advance. Intensive AD research describes this disease as a highly complex multifactorial disease. Disclosure of novel pathological pathways and their interconnections has had a major impact on medicinal chemistry drug development for AD over the last two decades. The complex network of pathological events involved in the onset of the disease has prompted the development of multitarget drugs. These chemical entities combine pharmacological activities toward two or more drug targets of interest. These multitarget-directed ligands are proposed to modify different nodes in the pathological network aiming to delay or even stop disease progression. Here, we review the multitarget drug development strategy for AD during the last decade.
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Affiliation(s)
- Paloma Mayo
- Departamento de desarrollo preclínico, Fundación Teófilo Hernando, Las Rozas, Madrid, Spain
- Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
| | - Jorge Pascual
- Departamento de desarrollo preclínico, Fundación Teófilo Hernando, Las Rozas, Madrid, Spain
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
| | - Enrique Crisman
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
| | - Cristina Domínguez
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
| | - Manuela G López
- Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Rafael León
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
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2
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Martiz RM, Patil SM, Ramu R, M. K. J, P. A, Ranganatha LV, Khanum SA, Silina E, Stupin V, Achar RR. Discovery of novel benzophenone integrated derivatives as anti-Alzheimer's agents targeting presenilin-1 and presenilin-2 inhibition: A computational approach. PLoS One 2022; 17:e0265022. [PMID: 35395008 PMCID: PMC8993008 DOI: 10.1371/journal.pone.0265022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 02/18/2022] [Indexed: 01/09/2023] Open
Abstract
The most commonly accepted hypothesis of Alzheimer’s disease (AD) is the amyloid hypothesis caused due to formation of accumulation of Aβ42 isoform, which leads to neurodegeneration. In this regard, presenilin-1 (PSEN-1) and -2 (PSEN-2) proteins play a crucial role by altering the amyloid precursor protein (APP) metabolism, affecting γ-secretase protease secretion, finally leading to the increased levels of Aβ. In the absence of reported commercial pharmacotherapeutic agents targeting presenilins, we aim to propose benzophenone integrated derivatives (BIDs) as the potential inhibitors of presenilin proteins through in silico approach. The study evaluates the interaction of BIDs through molecular docking simulations, molecular dynamics simulations, and binding free energy calculations. This is the first ever computational approach to discover the potential inhibitors of presenilin proteins. It also comprises druglikeliness and pharmacotherapeutic potential analysis of the compounds. Out of all the screened BIDs, BID-16 was found to be the lead compound against both the presenilin proteins. Based on these results, one can evaluate BID-16 as an anti-Alzheimer’s potential specifically targeting presenilin proteins in near future using in vitro and in vivo methods.
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Affiliation(s)
- Reshma Mary Martiz
- Department of Biotechnology and Bioinformatics, School of Life Sciences, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
- Department of Microbiology, School of Life Sciences, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Shashank M. Patil
- Department of Biotechnology and Bioinformatics, School of Life Sciences, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Ramith Ramu
- Department of Biotechnology and Bioinformatics, School of Life Sciences, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
- * E-mail:
| | - Jayanthi M. K.
- Department of Pharmacology, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Ashwini P.
- Department of Microbiology, School of Life Sciences, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Lakshmi V. Ranganatha
- Department of Chemistry, The National Institute of Engineering, Mysuru, Karnataka, India
| | - Shaukath Ara Khanum
- Department of Chemistry, Yuvaraja’s College (Autonomous), University of Mysore, Mysuru, Karnataka, India
| | - Ekaterina Silina
- Department of Human Pathology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Victor Stupin
- Department of Hospital Surgery №1, N.I. Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia
| | - Raghu Ram Achar
- Division of Biochemistry, School of Life Sciences, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
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Dual-target compounds for Alzheimer's disease: Natural and synthetic AChE and BACE-1 dual-inhibitors and their structure-activity relationship (SAR). Eur J Med Chem 2021; 221:113492. [PMID: 33984802 DOI: 10.1016/j.ejmech.2021.113492] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 03/17/2021] [Accepted: 04/18/2021] [Indexed: 12/19/2022]
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease and represents the major cause of dementia worldwide. Currently, there are no available treatments capable to deliver disease-modifying effects, and the available drugs can only alleviate the symptoms. The exact pathology of AD is not yet fully understood and several hallmarks such as the presence of amyloid-β (Aβ) senile plaques, neurofibrillary tangles (NFTs) as well as the loss of cholinergic function have been associated to AD. Distinct pharmacological targets have been validated to address AD, with acetylcholinesterase (AChE) and β-secretase-1 (BACE-1) being two of the most explored ones. A great deal of research has been devoted to the development of new AChE and BACE-1 effective inhibitors, tackled separately or in combination of both. The multi-factorial nature of AD conducted to the development of multi-target directed ligands (MTDLs), defined as single molecules capable to modulate more than one biological target, as an alternative approach to the old paradigm one-target one-drug. In this context, this review describes a collection of natural and synthetic compounds with dual-inhibitory properties towards both AChE and BACE-1 in the MTDLs context. Furthermore, this review also provides a critical comprehensive analysis of structure-activity relationships (SAR) of the synthetic compounds.
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Montanari S, Mahmoud AM, Pruccoli L, Rabbito A, Naldi M, Petralla S, Moraleda I, Bartolini M, Monti B, Iriepa I, Belluti F, Gobbi S, Di Marzo V, Bisi A, Tarozzi A, Ligresti A, Rampa A. Discovery of novel benzofuran-based compounds with neuroprotective and immunomodulatory properties for Alzheimer's disease treatment. Eur J Med Chem 2019; 178:243-258. [DOI: 10.1016/j.ejmech.2019.05.080] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/21/2019] [Accepted: 05/29/2019] [Indexed: 01/25/2023]
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5
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Multi-target design strategies for the improved treatment of Alzheimer's disease. Eur J Med Chem 2019; 176:228-247. [DOI: 10.1016/j.ejmech.2019.05.020] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/06/2019] [Accepted: 05/06/2019] [Indexed: 12/13/2022]
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Broniowska Ż, Bystrowska B, Starek-Świechowicz B, Pomierny B, Krzyżanowska W, Walczak M, Budziszewska B. Benzophenone-2 Concentration and Its Effect on Oxidative Stress and Apoptosis Markers in Rat Brain. Neurotox Res 2019; 36:39-48. [PMID: 31006828 PMCID: PMC6570683 DOI: 10.1007/s12640-019-0011-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/24/2019] [Accepted: 01/29/2019] [Indexed: 02/05/2023]
Abstract
Benzophenones, frequently used as UV chemical filters, are absorbed through the skin and can exert systemic adverse effects. So far, most of the data are related to their action on sex hormone receptors whereas potential neurotoxic effect is expected mainly on the basis of in vitro studies. The aim of the present study was to determine concentrations of BP-2, oxidative stress and apoptosis markers in the rat brain after topical administration of this compound. Male Wistar rats were treated dermally with BP-2 (100 mg/kg, 4 weeks), and next, blood and tissue BP-2 concentrations and oxidative stress and apoptotic markers in the frontal cortex and hippocampus were determined. After dermal BP-2 administration, blood level of this compound was about 300 ng/ml while in the liver and adipose tissue 1354 and 823 ng/g wt tissue, respectively. In the studied brain structures, the levels of the test compound were from 5 to 19 ng/g tissue. In the hippocampus, where BP-2 level was about 3.5-fold lower than in the frontal cortex, no significant changes in either oxidative stress and apoptosis markers were observed. There was also no change in apoptosis markers in the frontal cortex but unexpectedly the oxidative stress markers were reduced. The research showed that BP-2 passes through the blood-brain barrier but its concentration in the brain structures are much lower than in the blood. This compound did not exacerbate oxidative stress and apoptosis markers in the hippocampus and frontal cortex, and even lowered oxidative stress in the frontal cortex.
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Affiliation(s)
- Żaneta Broniowska
- Department of Biochemical Toxicology Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland
| | - Beata Bystrowska
- Department of Toxicology, Chair of Toxicology, Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland
| | - Beata Starek-Świechowicz
- Department of Biochemical Toxicology Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland
| | - Bartosz Pomierny
- Department of Biochemical Toxicology Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland
| | - Weronika Krzyżanowska
- Department of Biochemical Toxicology Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland
| | - Maria Walczak
- Department of Toxicology, Chair of Toxicology, Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland
| | - Bogusława Budziszewska
- Department of Biochemical Toxicology Medical College, Jagiellonian University, Medyczna 9, 30-688, Kraków, PL, Poland.
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Bonvicini F, Gentilomi GA, Bressan F, Gobbi S, Rampa A, Bisi A, Belluti F. Functionalization of the Chalcone Scaffold for the Discovery of Novel Lead Compounds Targeting Fungal Infections. Molecules 2019; 24:molecules24020372. [PMID: 30669643 PMCID: PMC6359675 DOI: 10.3390/molecules24020372] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/09/2019] [Accepted: 01/16/2019] [Indexed: 12/02/2022] Open
Abstract
The occurrence of invasive fungal infections represents a substantial threat to human health that is particularly serious in immunocompromised patients. The limited number of antifungal agents, devoid of unwanted toxic effects, has resulted in an increased demand for new drugs. Herein, the chalcone framework was functionalized to develop new antifungal agents able to interfere with cell growth and with the infection process. Thus, a small library of chalcone-based analogues was evaluated in vitro against C. albicans ATCC 10231 and a number of compounds strongly inhibited yeast growth at non-cytotoxic concentrations. Among these, 5 and 7 interfered with the expression of two key virulence factors in C. albicans pathogenesis, namely, hyphae and biofilm formation, while 28 emerged as a potent and broad spectrum antifungal agent, enabling the inhibition of the tested Candida spp. and non-Candida species. Indeed, these compounds combine two modes of action by selectively interfering with growth and, as an added value, weakening microbial virulence. Overall, these compounds could be regarded as promising antifungal candidates worthy of deeper investigation. They also provide a chemical platform through which to perform an optimization process, addressed at improving potency and correcting liabilities.
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Affiliation(s)
- Francesca Bonvicini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Massarenti 9, 40138 Bologna, Italy.
| | - Giovanna A Gentilomi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Massarenti 9, 40138 Bologna, Italy.
- Unit of Microbiology, Alma Mater Studiorum-University of Bologna, S. Orsola-Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy.
| | - Francesca Bressan
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Silvia Gobbi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Angela Rampa
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Alessandra Bisi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Federica Belluti
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
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Surana K, Chaudhary B, Diwaker M, Sharma S. Benzophenone: a ubiquitous scaffold in medicinal chemistry. MEDCHEMCOMM 2018; 9:1803-1817. [PMID: 30542530 DOI: 10.1039/c8md00300a] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 08/23/2018] [Indexed: 12/21/2022]
Abstract
The benzophenone scaffold represents a ubiquitous structure in medicinal chemistry because it is found in several naturally occurring molecules which exhibit a variety of biological activities, such as anticancer, anti-inflammatory, antimicrobial, and antiviral. In addition, various synthetic benzophenone motifs are present in marketed drugs. They also represent important ingredients in perfumes and can act as photoinitiators. This review will provide an overview of benzophenone moieties with medicinal aspects synthesized in the last 15 years and will cover the most potent molecule in each report. In this review, only benzophenones with substitutions on their aryl rings, i.e. diphenyl ketone analogues, have been covered.
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Affiliation(s)
- Khemchand Surana
- Department of Medicinal Chemistry , National Institute of Pharmaceutical Education and Research , Ahmedabad (NIPER-A) , Gandhinagar , Gujarat - 382355 , India .
| | - Bharatkumar Chaudhary
- Department of Medicinal Chemistry , National Institute of Pharmaceutical Education and Research , Ahmedabad (NIPER-A) , Gandhinagar , Gujarat - 382355 , India .
| | - Monika Diwaker
- Department of Medicinal Chemistry , National Institute of Pharmaceutical Education and Research , Ahmedabad (NIPER-A) , Gandhinagar , Gujarat - 382355 , India .
| | - Satyasheel Sharma
- Department of Medicinal Chemistry , National Institute of Pharmaceutical Education and Research , Ahmedabad (NIPER-A) , Gandhinagar , Gujarat - 382355 , India .
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Arshia, Jabeen A, Faheem A, Khan KM, Shah S, Perveen S. Benzophenone Esters and Sulfonates: Synthesis and their Potential as Antiinflammatory Agents. Med Chem 2018; 15:162-174. [PMID: 30081790 DOI: 10.2174/1573406414666180806114825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 07/24/2018] [Accepted: 08/03/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Inflammation is a biological rejoinder of vascular tissues against destructive agents e.g. irritants, damaged cell or pathogens. During inflammation, respiratory burst occurs by activated phagocytes which help to destroy invading pathogens. Phagocytic cells such as neutrophils and macrophages are one of the major sources of reactive oxygen species (ROS) and nitric oxide (NO). Normally, the redox environment is maintained by various antioxidant defense systems, however, these reactive oxygen species may be destructive and can lead to various pathological conditions. METHODS Benzophenone esters and sulfonates (1-18) were synthesized through one pot synthesis by reacting 4-hydroxy benzophenone either different benzoyl chloride or sulfonyl chloride. These synthetic compounds were evaluated for their in vitro immunosuppressive potential on two parameters of innate immune response including inhibition of intracellular reactive oxygen species (ROS) and nitric oxide (NO). ROS were induced in polymorphonuclear leukocytes (PMNs) isolated from human whole blood by serum opsonized zymosan stimulation, whereas NO were produced in J774.2 cells by lipopolysachharides (LPS) stimulation. Moreover, cytotoxicity of compounds was also determined using NIH-3T3 fibroblast cells (ATCC, Manassas, USA) was evaluated by using the standard MTT colorimetric assay. RESULTS All compounds inhibited the production of ROS at various extent among which compounds 2, 5, 6, 8, 10, 13 and 16 were found to be the potent inhibitors of ROS with IC50 values ranging between (1.0 - 2.2 µg/mL) as compared to ibuprofen (IC50 = 2.5 ± 0.6 µg/mL) as the standard drug. Compounds 2, 7, 11, 13, 14 and 18 showed good inhibition of NO production with % inhibition values ranging between (63.6% - 76.7%) at concentration of 25 µg/mL as compared to NG-monomethyl-Larginine (L-NMMA 65.6 ± 1.1 µg/mL) as the standard. All other derivatives showed moderate to low level of inhibition on both tested parameters. Cytotoxicity activity also showed nontoxicity of synthetic compounds. Structures of all the synthetic compounds were confirmed through 1H-NMR, 13C-NMR, EI-MS and HREI-MS spectroscopic techniques. CONCLUSION Compounds 2 and 13 were found to be good dual antiinflammatory (ROS and NO) agent. However, compounds 5, 6, 8, 10 and 16 were found to be selectively active for ROS inhibitory studies. Compounds 7, 11, 14 and 18 were discriminatory active at NO inhibition assay. These initial findings of antiinflammatory activity concluded that these compounds might have the potential to develop a novel non-steroidal antiinflammatory drugs (NSAIDs), non-acidic antiinflammatory agent. Most active compounds 2, 5-8, 10, 13, 14 and 16 showed nontoxicity of synthetic compounds.
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Affiliation(s)
- Arshia
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Almas Jabeen
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi-75270, Pakistan
| | - Aisha Faheem
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi-75270, Pakistan
| | - Khalid M Khan
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan.,Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Shazia Shah
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Shahnaz Perveen
- PCSIR Laboratories Complex, Karachi, Shahrah-e-Dr. Salimuzzaman Siddiqui, Karachi-75280, Pakistan
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Transition-Metal-Free C(sp³)⁻H Oxidation of Diarylmethanes. Molecules 2018; 23:molecules23081922. [PMID: 30071657 PMCID: PMC6222647 DOI: 10.3390/molecules23081922] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 07/25/2018] [Accepted: 07/27/2018] [Indexed: 12/02/2022] Open
Abstract
An efficient direct C(sp3)–H oxidation of diarylmethanes has been demonstrated by this study. This method employs environment-friendly O2 as an oxidant and is promoted by commercially available MN(SiMe3)2 [M = K, Na or Li], which provides a facile method for the synthesis of various diaryl ketones in excellent yields. This protocol is metal-free, mild and compatible with a number of functional groups on substrates.
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Prati F, Bottegoni G, Bolognesi ML, Cavalli A. BACE-1 Inhibitors: From Recent Single-Target Molecules to Multitarget Compounds for Alzheimer’s Disease. J Med Chem 2017; 61:619-637. [DOI: 10.1021/acs.jmedchem.7b00393] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Federica Prati
- Drug Discovery Unit,
Division of Biological Chemistry and Drug Discovery, College of Life
Sciences, University of Dundee, Dow Street, Dundee, DD1 5EH, Scotland, U.K
| | - Giovanni Bottegoni
- CompuNet, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
- Heptares Therapeutics Ltd., BioPark, Broadwater Road, Welwyn Garden City, Hertfordshire AL7 3AX, U.K
| | - Maria Laura Bolognesi
- Department
of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Andrea Cavalli
- CompuNet, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
- Department
of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
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Gonçalves CB, Marinho MV, Dias DF, Dos Santos MH, Martins FT, Doriguetto AC. Synthesis, characterization, and structural determination of copper(II) complexes with alkyl derivatives of hydroxybenzophenones. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1280783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | | | | | - Marcelo Henrique Dos Santos
- Instituto de Química, Universidade Federal de Alfenas, Alfenas, Brazil
- Departamento de Química, Universidade Federal de Viçosa, Campus Universitário, Viçosa, Brazil
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Rampa A, Tarozzi A, Mancini F, Pruccoli L, Di Martino RMC, Gobbi S, Bisi A, De Simone A, Palomba F, Zaccheroni N, Belluti F. Naturally Inspired Molecules as Multifunctional Agents for Alzheimer's Disease Treatment. Molecules 2016; 21:molecules21050643. [PMID: 27196880 PMCID: PMC6274376 DOI: 10.3390/molecules21050643] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 04/27/2016] [Accepted: 05/11/2016] [Indexed: 12/13/2022] Open
Abstract
Alzheimer’s disease (AD) has been defined as a multi-factorial disorder resulting from a complex array of networked cellular and molecular mechanisms. In particular, elevated levels of Aβ protein and its aggregation products in the presence of metal ions proved to be highly neurotoxic and therapeutic strategies aimed at preventing Aβ generation and oxidative stress may represent an effective approach for AD treatment. A recent paradigm for the treatment of complex diseases such as AD suggests the employment of multifunctional compounds, single chemical entities capable of simultaneously modulating different targets involved in the pathology. In this paper, the “pharmacophores combination” strategy was applied, connecting the main scaffold of the BACE-1 ligand 1 to that of the chalcone 2, as metal chelating pharmacophore, to obtain a small library of compounds. Conjugate 5 emerged as the most interesting derivative, proving to inhibit BACE-1 with low-micromolar potency, and showing neuroprotective effects. In particular, 5 proved to be able to protect from metal-associated oxidative stress by hampering intracellular Cu2+-induced ROS formation without any direct neurotoxic effect.
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Affiliation(s)
- Angela Rampa
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Andrea Tarozzi
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D'Augusto 237, 47921 Rimini, Italy.
| | - Francesca Mancini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Letizia Pruccoli
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D'Augusto 237, 47921 Rimini, Italy.
| | - Rita Maria Concetta Di Martino
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Silvia Gobbi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Alessandra Bisi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
| | - Angela De Simone
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D'Augusto 237, 47921 Rimini, Italy.
| | - Francesco Palomba
- Department of Chemistry ''G. Ciamician'', Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy.
| | - Nelsi Zaccheroni
- Department of Chemistry ''G. Ciamician'', Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy.
| | - Federica Belluti
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy.
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Iakovleva I, Begum A, Brännström K, Wijsekera A, Nilsson L, Zhang J, Andersson PL, Sauer-Eriksson AE, Olofsson A. Tetrabromobisphenol A Is an Efficient Stabilizer of the Transthyretin Tetramer. PLoS One 2016; 11:e0153529. [PMID: 27093678 PMCID: PMC4836675 DOI: 10.1371/journal.pone.0153529] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 03/30/2016] [Indexed: 01/15/2023] Open
Abstract
Amyloid formation of the human plasma protein transthyretin (TTR) is associated with several human disorders, including familial amyloidotic polyneuropathy (FAP) and senile systemic amyloidosis. Dissociation of TTR's native tetrameric assembly is the rate-limiting step in the conversion into amyloid, and this feature presents an avenue for intervention because binding of an appropriate ligand to the thyroxin hormone binding sites of TTR stabilizes the native tetrameric assembly and impairs conversion into amyloid. The desired features for an effective TTR stabilizer include high affinity for TTR, high selectivity in the presence of other proteins, no adverse side effects at the effective concentrations, and a long half-life in the body. In this study we show that the commonly used flame retardant tetrabromobisphenol A (TBBPA) efficiently stabilizes the tetrameric structure of TTR. The X-ray crystal structure shows TBBPA binding in the thyroxine binding pocket with bromines occupying two of the three halogen binding sites. Interestingly, TBBPA binds TTR with an extremely high selectivity in human plasma, and the effect is equal to the recently approved drug tafamidis and better than diflunisal, both of which have shown therapeutic effects against FAP. TBBPA consequently present an interesting scaffold for drug design. Its absorption, metabolism, and potential side-effects are discussed.
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Affiliation(s)
- Irina Iakovleva
- Department of Medical Biochemistry and Biophysics, Umeå University, Umeå, Sweden
| | - Afshan Begum
- Department of Chemistry, Umeå University, Umeå, Sweden
| | | | - Alexandra Wijsekera
- Department of Medical Biochemistry and Biophysics, Umeå University, Umeå, Sweden
| | - Lina Nilsson
- Department of Chemistry, Umeå University, Umeå, Sweden
| | - Jin Zhang
- Department of Chemistry, Umeå University, Umeå, Sweden
| | | | | | - Anders Olofsson
- Department of Medical Biochemistry and Biophysics, Umeå University, Umeå, Sweden
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Di Martino RMC, De Simone A, Andrisano V, Bisignano P, Bisi A, Gobbi S, Rampa A, Fato R, Bergamini C, Perez DI, Martinez A, Bottegoni G, Cavalli A, Belluti F. Versatility of the Curcumin Scaffold: Discovery of Potent and Balanced Dual BACE-1 and GSK-3β Inhibitors. J Med Chem 2016; 59:531-44. [PMID: 26696252 DOI: 10.1021/acs.jmedchem.5b00894] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The multitarget approach has gained increasing acceptance as a useful tool to address complex and multifactorial maladies such as Alzheimer's disease (AD). The concurrent inhibition of the validated AD targets β-secretase (BACE-1) and glycogen synthase kinase-3β (GSK-3β) by attacking both β-amyloid and tau protein cascades has been identified as a promising AD therapeutic strategy. In our study, curcumin was identified as a lead compound for the simultaneous inhibition of both targets; therefore, synthetic efforts were dedicated to obtaining a small library of novel curcumin-based analogues, and a number of potent and balanced dual-target inhibitors were obtained. In particular, 2, 6, and 7 emerged as promising drug candidates endowed with neuroprotective potential and brain permeability. Notably, for some new compounds the symmetrical diketo and the β-keto-enol tautomeric forms were purposely isolated and tested in vitro, allowing us to gain insight into the key requirements for BACE-1 and GSK-3β inhibition.
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Affiliation(s)
- Rita Maria Concetta Di Martino
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
| | - Angela De Simone
- Department for Life Quality Studies, Alma Mater Studiorum - University of Bologna , Corso D'Augusto 237, 47921 Rimini, Italy
| | - Vincenza Andrisano
- Department for Life Quality Studies, Alma Mater Studiorum - University of Bologna , Corso D'Augusto 237, 47921 Rimini, Italy
| | - Paola Bisignano
- Istituto Italiano di Tecnologia , D3, via Morego 30, 16163 Genova, Italy
| | - Alessandra Bisi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
| | - Silvia Gobbi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
| | - Angela Rampa
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
| | - Romana Fato
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
| | - Christian Bergamini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
| | - Daniel I Perez
- Centro de Investigaciones Biologicas, CSIC , Ramiro de Maetzu 9, 28040 Madrid, Spain
| | - Ana Martinez
- Centro de Investigaciones Biologicas, CSIC , Ramiro de Maetzu 9, 28040 Madrid, Spain
| | - Giovanni Bottegoni
- Istituto Italiano di Tecnologia , D3, via Morego 30, 16163 Genova, Italy
| | - Andrea Cavalli
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy.,Istituto Italiano di Tecnologia , D3, via Morego 30, 16163 Genova, Italy
| | - Federica Belluti
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna , Via Belmeloro 6, 40126 Bologna, Italy
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16
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Rampa A, Mancini F, De Simone A, Falchi F, Belluti F, Di Martino RMC, Gobbi S, Andrisano V, Tarozzi A, Bartolini M, Cavalli A, Bisi A. From AChE to BACE1 inhibitors: The role of the amine on the indanone scaffold. Bioorg Med Chem Lett 2015; 25:2804-8. [DOI: 10.1016/j.bmcl.2015.05.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 04/30/2015] [Accepted: 05/02/2015] [Indexed: 01/26/2023]
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17
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Pérez-Areales FJ, Di Pietro O, Espargaró A, Vallverdú-Queralt A, Galdeano C, Ragusa IM, Viayna E, Guillou C, Clos MV, Pérez B, Sabaté R, Lamuela-Raventós RM, Luque FJ, Muñoz-Torrero D. Shogaol–huprine hybrids: Dual antioxidant and anticholinesterase agents with β-amyloid and tau anti-aggregating properties. Bioorg Med Chem 2014; 22:5298-307. [DOI: 10.1016/j.bmc.2014.07.053] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 07/30/2014] [Accepted: 07/31/2014] [Indexed: 11/29/2022]
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