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Bikbaeva G, Pilip A, Egorova A, Medvedev V, Mamonova D, Pankin D, Kalinichev A, Mayachkina N, Bakina L, Kolesnikov I, Leuchs G, Manshina A. Smart photopharmacological agents: LaVO 4:Eu 3+@vinyl phosphonate combining luminescence imaging and photoswitchable butyrylcholinesterase inhibition. NANOSCALE ADVANCES 2024; 6:4417-4425. [PMID: 39170980 PMCID: PMC11334978 DOI: 10.1039/d4na00389f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 06/20/2024] [Indexed: 08/23/2024]
Abstract
The combination of photoswitchability and bioactivity in one compound provides interesting opportunities for photopharmacology. Here, we report a hybrid compound that in addition allows for its visual localization. It is the first demonstration of its kind and it even shows high photoswitchability. The multifunctional nanomaterial hybrid, which we present, is composed of luminescent LaVO4:Eu3+ nanoparticles and vinyl phosphonate, the latter of which inhibits butyrylcholinesterase (BChE). This inhibition increases 7 times when irradiated with a 266 nm laser. We found that it is increased even further when vinyl phosphonate molecules are conjugated with LaVO4:Eu3+ nanoparticles, leading in total to a 20-fold increase in BChE inhibition upon laser irradiation. The specific luminescence spectrum of LaVO4:Eu3+ allows its spatial localization in various biological samples (chicken breast, Daphnia and Paramecium). Furthermore, laser irradiation of the LaVO4:Eu3+@vinyl phosphonate hybrid leads to a drop in luminescence intensity and in lifetime of the Eu3+ ion that can implicitly indicate photoswitching of vinyl phosphonate in the bioactive state. Thus, combining enhanced photoswitchability, bioactivity and luminescence induced localizability in a unique way, hybrid LaVO4:Eu3+@vinyl phosphonate can be considered as a promising tool for photopharmacology.
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Affiliation(s)
- Gulia Bikbaeva
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
| | - Anna Pilip
- St Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences Korpusnaya 18 St Petersburg 197110 Russia
| | - Anastasiya Egorova
- St Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences Korpusnaya 18 St Petersburg 197110 Russia
- St Petersburg State Technological Institute (Technical University) 26, Moskovski Ave. St Petersburg 190013 Russia
| | - Vasiliy Medvedev
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
| | - Daria Mamonova
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
| | - Dmitrii Pankin
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
| | - Alexey Kalinichev
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
| | - Natalya Mayachkina
- St Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences Korpusnaya 18 St Petersburg 197110 Russia
| | - Lyudmila Bakina
- St Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Scientific Research Centre for Ecological Safety of the Russian Academy of Sciences Korpusnaya 18 St Petersburg 197110 Russia
| | - Ilya Kolesnikov
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
| | - Gerd Leuchs
- Max Planck Institute for the Science of Light Erlangen 91058 Germany
| | - Alina Manshina
- St Petersburg State University 7-9 Universitetskaya Embankment St Petersburg 199034 Russia
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2
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Spinelli R, Rietmann Á, Sanchis I, Goicoechea H, Siano Á. Toxicity Evaluation of Anti-cholinesterasic Amphibian Extracts by MTT and an Optimized Artemia salina Test. Chem Biodivers 2024; 21:e202301367. [PMID: 38151826 DOI: 10.1002/cbdv.202301367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 12/29/2023]
Abstract
The amphibian skin is an important source of bioactive compounds. Recently, our workgroup reported the bioactivity of new extracts from the Hylidae, Microhylidae and Leptodactylidae families against several pathways involved in Alzheimer's disease. However, since cytotoxicity can be a limiting factor for their applicability, we evaluated the toxicity of nine amphibian skin extracts with reported anticholinesterase activity, using the traditional MTT assay and an optimized Artemia salina test. The proposed improvement, guided by experimental design, aims to reduce the amount of biological sample needed. Overall, we proved that the active extracts were non-toxic at effective concentration against cholinesterases (AChE/BChE), positioning the amphibian skin as a promising and preliminary safe source of bioactive compounds in the anti-Alzheimer's treatment. Interestingly, we demonstrated that both toxicity assays can discriminate between toxic and non-toxic samples. We propose the A. salina bioassay as a reliable and cost-effective alternative for early toxicity screening.
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Affiliation(s)
- Roque Spinelli
- Laboratorio de Péptidos Bioactivos (LPB), Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Álvaro Rietmann
- Laboratorio de Péptidos Bioactivos (LPB), Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Iván Sanchis
- Laboratorio de Péptidos Bioactivos (LPB), Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Héctor Goicoechea
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Álvaro Siano
- Laboratorio de Péptidos Bioactivos (LPB), Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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3
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Sanchis I, Spinelli R, Siano A. Acetylcholine hydrolytic activity of fibrillated β-amyloid (1-40) peptide. Amino Acids 2023; 55:1991-1997. [PMID: 37904049 DOI: 10.1007/s00726-023-03349-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 10/10/2023] [Indexed: 11/01/2023]
Abstract
Alzheimer's disease is characterized by the presence of senile plaques composed of β-amyloid peptide (Aβ) aggregates with toxic effects that are still not fully understood. Recently, it was discovered that Aβ(1-42) fibrils possess catalytic activity on acetylcholine hydrolysis. Catalytic amyloids are an emerging and exciting field of research. In this study, we examined the catalytic activity of the fibrils formed by Aβ(1-40), the most abundant Aβ variant, on acetylcholine hydrolysis. Our findings reveal that Aβ(1-40) fibrils exhibit moderate enzymatic activity, indicating that natural peptide aggregates could serve as biocatalysts and provide new insights into the potential role of Aβ in neurological disorders.
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Affiliation(s)
- Ivan Sanchis
- Laboratory of Bioactive Peptides, Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- Ministry of Science, Technology and Innovation, National Scientific and Technical Research Council (CONICET), Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
| | - Roque Spinelli
- Laboratory of Bioactive Peptides, Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- Ministry of Science, Technology and Innovation, National Scientific and Technical Research Council (CONICET), Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
| | - Alvaro Siano
- Laboratory of Bioactive Peptides, Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina.
- Ministry of Science, Technology and Innovation, National Scientific and Technical Research Council (CONICET), Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina.
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Czarnecka K, Girek M, Kręcisz P, Skibiński R, Łątka K, Jończyk J, Bajda M, Szymczyk P, Galita G, Kabziński J, Majsterek I, Espargaró A, Sabate R, Szymański P. New cyclopentaquinoline and 3,5-dichlorobenzoic acid hybrids with neuroprotection against oxidative stress for the treatment of Alzheimer's disease. J Enzyme Inhib Med Chem 2023; 38:2158822. [PMID: 36629422 PMCID: PMC9848259 DOI: 10.1080/14756366.2022.2158822] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative brain disease. Thus, drugs including donepezil, rivastigmine, and galantamine are not entirely effective in the treatment of this multifactorial disease. The present study evaluates eight derivatives (3a-3h) as candidates with stronger anti-AD potential but with less side effects. Reactive oxygen species (ROS) assays were used to assess oxidative stress which involve in the neurodegeneration. The neuroprotective properties of 3e against oxidative stress were done in three experiments using MTT test. The anti-AD potential was determined based on their anticholinesterase inhibition ability, determined using Ellman's method, Aβ aggregation potential according to thioflavin (Th) fluorescence assay, and their antioxidative and anti-inflammatory activities. Compound 3e exhibited moderate cholinesterase inhibition activity (AChE, IC50 = 0.131 µM; BuChE, IC50 = 0.116 µM; SI = 1.13), significant inhibition of Aβ(1-42) aggregation (55.7%, at 5 µM) and acceptable neuroprotective activity. Extensive analysis of in vitro and in vivo assays indicates that new cyclopentaquinoline derivatives offer promise as candidates for new anti-AD drugs.
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Affiliation(s)
- Kamila Czarnecka
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland,CONTACT Kamila Czarnecka
| | - Małgorzata Girek
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland
| | - Paweł Kręcisz
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland
| | - Robert Skibiński
- Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Lublin, Poland
| | - Kamil Łątka
- Department of Physicochemical Drug Analysis, Chair of Pharmaceutical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Jakub Jończyk
- Department of Physicochemical Drug Analysis, Chair of Pharmaceutical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Marek Bajda
- Department of Physicochemical Drug Analysis, Chair of Pharmaceutical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Piotr Szymczyk
- Department of Biology and Pharmaceutical Botany,Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland
| | - Grzegorz Galita
- Department of Clinical Chemistry and Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Jacek Kabziński
- Department of Clinical Chemistry and Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Ireneusz Majsterek
- Department of Clinical Chemistry and Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Alba Espargaró
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain,Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
| | - Raimon Sabate
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain,Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
| | - Paweł Szymański
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland,Department of Radiobiology and Radiation Protection, Military Institute of Hygiene and Epidemiology, Warsaw, Poland,Paweł Szymański Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszyńskiego 1, Lodz90-151, Poland
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Maafi M. On photokinetics under monochromatic light. Front Chem 2023; 11:1233151. [PMID: 37780986 PMCID: PMC10538970 DOI: 10.3389/fchem.2023.1233151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/22/2023] [Indexed: 10/03/2023] Open
Abstract
The properties of photokinetics under monochromatic light have not yet been fully described in the literature. In addition, for the last 120 years or so, explicit, handy model equations that can map out the kinetic behaviour of photoreactions have been lacking. These gaps in the knowledge are addressed in the present paper. Several general features of such photokinetics were investigated, including the effects of initial reactant concentration, the presence of spectator molecules, and radiation intensity. A unique equation, standing for a pseudo-integrated rate law, capable of outlining the kinetic behaviour of any photoreaction is proposed. In addition, a method that solves for quantum yields and absorption coefficients of all species of a given photoreaction is detailed. A metric (the initial velocity) has been adopted, and its reliability for the quantification of several effects was proven by theoretical derivation, Runge-Kutta numerical integration calculations and through the model equation proposed. Overall, this study shows that, under monochromatic light, photoreaction kinetics is well described by Φ -order kinetics, which is embodied by a unifying model equation. This paper is aimed at contributing to rationalising photokinetics via reliable, easy-to-use mathematical tools.
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Affiliation(s)
- Mounir Maafi
- Leicester School of Pharmacy, De Montfort University, Leicester, United Kingdom
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Paolino M, de Candia M, Purgatorio R, Catto M, Saletti M, Tondo AR, Nicolotti O, Cappelli A, Brizzi A, Mugnaini C, Corelli F, Altomare CD. Investigation on Novel E/Z 2-Benzylideneindan-1-One-Based Photoswitches with AChE and MAO-B Dual Inhibitory Activity. Molecules 2023; 28:5857. [PMID: 37570828 PMCID: PMC10421270 DOI: 10.3390/molecules28155857] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/22/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
The multitarget therapeutic strategy, as opposed to the more traditional 'one disease-one target-one drug', may hold promise in treating multifactorial neurodegenerative syndromes, such as Alzheimer's disease (AD) and related dementias. Recently, combining a photopharmacology approach with the multitarget-directed ligand (MTDL) design strategy, we disclosed a novel donepezil-like compound, namely 2-(4-((diethylamino)methyl)benzylidene)-5-methoxy-2,3-dihydro-1H-inden-1-one (1a), which in the E isomeric form (and about tenfold less in the UV-B photo-induced isomer Z) showed the best activity as dual inhibitor of the AD-related targets acetylcholinesterase (AChE) and monoamine oxidase B (MAO-B). Herein, we investigated further photoisomerizable 2-benzylideneindan-1-one analogs 1b-h with the unconjugated tertiary amino moiety bearing alkyls of different bulkiness and lipophilicity. For each compound, the thermal stable E geometric isomer, along with the E/Z mixture as produced by UV-B light irradiation in the photostationary state (PSS, 75% Z), was investigated for the inhibition of human ChEs and MAOs. The pure E-isomer of the N-benzyl(ethyl)amino analog 1h achieved low nanomolar AChE and high nanomolar MAO-B inhibition potencies (IC50s 39 and 355 nM, respectively), whereas photoisomerization to the Z isomer (75% Z in the PSS mixture) resulted in a decrease (about 30%) of AChE inhibitory potency, and not in the MAO-B one. Molecular docking studies were performed to rationalize the different E/Z selectivity of 1h toward the two target enzymes.
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Affiliation(s)
- Marco Paolino
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, I-53100 Siena, Italy; (M.P.); (M.S.); (A.C.); (A.B.); (C.M.); (F.C.)
| | - Modesto de Candia
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, Via E. Orabona 4, I-70125 Bari, Italy; (M.d.C.); (R.P.); (M.C.); (A.R.T.); (O.N.)
| | - Rosa Purgatorio
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, Via E. Orabona 4, I-70125 Bari, Italy; (M.d.C.); (R.P.); (M.C.); (A.R.T.); (O.N.)
| | - Marco Catto
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, Via E. Orabona 4, I-70125 Bari, Italy; (M.d.C.); (R.P.); (M.C.); (A.R.T.); (O.N.)
| | - Mario Saletti
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, I-53100 Siena, Italy; (M.P.); (M.S.); (A.C.); (A.B.); (C.M.); (F.C.)
| | - Anna Rita Tondo
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, Via E. Orabona 4, I-70125 Bari, Italy; (M.d.C.); (R.P.); (M.C.); (A.R.T.); (O.N.)
| | - Orazio Nicolotti
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, Via E. Orabona 4, I-70125 Bari, Italy; (M.d.C.); (R.P.); (M.C.); (A.R.T.); (O.N.)
| | - Andrea Cappelli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, I-53100 Siena, Italy; (M.P.); (M.S.); (A.C.); (A.B.); (C.M.); (F.C.)
| | - Antonella Brizzi
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, I-53100 Siena, Italy; (M.P.); (M.S.); (A.C.); (A.B.); (C.M.); (F.C.)
| | - Claudia Mugnaini
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, I-53100 Siena, Italy; (M.P.); (M.S.); (A.C.); (A.B.); (C.M.); (F.C.)
| | - Federico Corelli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, I-53100 Siena, Italy; (M.P.); (M.S.); (A.C.); (A.B.); (C.M.); (F.C.)
| | - Cosimo D. Altomare
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, Via E. Orabona 4, I-70125 Bari, Italy; (M.d.C.); (R.P.); (M.C.); (A.R.T.); (O.N.)
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Sanchis I, Spinelli R, Dias J, Brazzolotto X, Rietmann Á, Aimaretti F, Siano ÁS. Inhibition of Human Cholinesterases and in vitro β-Amyloid Aggregation by Rationally Designed Peptides. ChemMedChem 2023; 18:e202200691. [PMID: 36995341 DOI: 10.1002/cmdc.202200691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/08/2023] [Accepted: 03/29/2023] [Indexed: 03/31/2023]
Abstract
The multifactorial nature of Alzheimer's disease (AD) is now widely recognized, which has increased the interest in compounds that can address more than one AD-associated targets. Herein, we report the inhibitory activity on the human cholinesterases (acetylcholinesterase, hAChE and butyrylcholinesterase, hBChE) and on the AChE-induced β-amyloid peptide (Aβ) aggregation by a series of peptide derivatives designed by mutating aliphatic residues for aromatic ones. We identified peptide W3 (LGWVSKGKLL-NH2 ) as an interesting scaffold for the development of new anti-AD multitarget-directed drugs. It showed the lowest IC50 value against hAChE reported for a peptide (0.99±0.02 μM) and inhibited 94.2 %±1.2 of AChE-induced Aβ aggregation at 10 μM. Furthermore, it inhibited hBChE (IC50 , 15.44±0.91 μM), showed no in vivo toxicity in brine shrimp and had shown moderated radical scavenging and Fe2+ chelating capabilities in previous studies. The results are in line with multiple reports showing the utility of the indole moiety for the development of cholinesterase inhibitors.
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Affiliation(s)
- Ivan Sanchis
- Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- National Scientific and Technical Research Council (CONICET), Ministry of Science, Technology and Innovation, Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
| | - Roque Spinelli
- Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- National Scientific and Technical Research Council (CONICET), Ministry of Science, Technology and Innovation, Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
| | - José Dias
- Département de Toxicologie et Risques Chimiques, Institut de Recherche Biomédicale des Armées (IRBA) 1, Place du Général Valérie André, 91220, Brétigny-sur-Orge, France
| | - Xavier Brazzolotto
- Département de Toxicologie et Risques Chimiques, Institut de Recherche Biomédicale des Armées (IRBA) 1, Place du Général Valérie André, 91220, Brétigny-sur-Orge, France
| | - Álvaro Rietmann
- Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- National Scientific and Technical Research Council (CONICET), Ministry of Science, Technology and Innovation, Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
| | - Florencia Aimaretti
- Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- National Scientific and Technical Research Council (CONICET), Ministry of Science, Technology and Innovation, Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
| | - Álvaro S Siano
- Department of Organic Chemistry, Faculty of Biochemistry and Biological Sciences, National University of the Littoral, Ciudad Universitaria UNL, 3000, Santa Fe, Argentina
- National Scientific and Technical Research Council (CONICET), Ministry of Science, Technology and Innovation, Godoy Cruz, 2290, Ciudad de Buenos Aires, Argentina
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Spatz P, Steinmüller SAM, Tutov A, Poeta E, Morilleau A, Carles A, Deventer MH, Hofmann J, Stove CP, Monti B, Maurice T, Decker M. Dual-Acting Small Molecules: Subtype-Selective Cannabinoid Receptor 2 Agonist/Butyrylcholinesterase Inhibitor Hybrids Show Neuroprotection in an Alzheimer's Disease Mouse Model. J Med Chem 2023; 66:6414-6435. [PMID: 37127287 PMCID: PMC10184129 DOI: 10.1021/acs.jmedchem.3c00541] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
We present the synthesis and characterization of merged human butyrylcholinesterase (hBChE) inhibitor/cannabinoid receptor 2 (hCB2R) ligands for the treatment of neurodegeneration. In total, 15 benzimidazole carbamates were synthesized and tested for their inhibition of human cholinesterases, also with regard to their pseudoirreversible binding mode and affinity toward both cannabinoid receptors in radioligand binding studies. After evaluation in a calcium mobilization assay as well as a β-arrestin 2 (βarr2) recruitment assay, two compounds with balanced activities on both targets were tested for their immunomodulatory effect on microglia activation and regarding their pharmacokinetic properties and blood-brain barrier penetration. Compound 15d, containing a dimethyl carbamate motif, was further evaluated in vivo, showing prevention of Aβ25-35-induced learning impairments in a pharmacological mouse model of Alzheimer's disease for both short- and long-term memory responses. Additional combination studies proved a synergic effect of BChE inhibition and CB2R activation in vivo.
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Affiliation(s)
- Philipp Spatz
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Sophie A M Steinmüller
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Anna Tutov
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Eleonora Poeta
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Axelle Morilleau
- MMDN, University of Montpellier, EPHE, INSERM, 34095 Montpellier, France
| | - Allison Carles
- MMDN, University of Montpellier, EPHE, INSERM, 34095 Montpellier, France
| | - Marie H Deventer
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium
| | - Julian Hofmann
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Christophe P Stove
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium
| | - Barbara Monti
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy
| | - Tangui Maurice
- MMDN, University of Montpellier, EPHE, INSERM, 34095 Montpellier, France
| | - Michael Decker
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University Würzburg, Am Hubland, D-97074 Würzburg, Germany
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Bubley A, Erofeev A, Gorelkin P, Beloglazkina E, Majouga A, Krasnovskaya O. Tacrine-Based Hybrids: Past, Present, and Future. Int J Mol Sci 2023; 24:ijms24021717. [PMID: 36675233 PMCID: PMC9863713 DOI: 10.3390/ijms24021717] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder which is characterized by β-amyloid (Aβ) aggregation, τ-hyperphosphorylation, and loss of cholinergic neurons. The other important hallmarks of AD are oxidative stress, metal dyshomeostasis, inflammation, and cell cycle dysregulation. Multiple therapeutic targets may be proposed for the development of anti-AD drugs, and the "one drug-multiple targets" strategy is of current interest. Tacrine (THA) was the first clinically approved cholinesterase (ChE) inhibitor, which was withdrawn due to high hepatotoxicity. However, its high potency in ChE inhibition, low molecular weight, and simple structure make THA a promising scaffold for developing multi-target agents. In this review, we summarized THA-based hybrids published from 2006 to 2022, thus providing an overview of strategies that have been used in drug design and approaches that have resulted in significant cognitive improvements and reduced hepatotoxicity.
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Affiliation(s)
- Anna Bubley
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
| | - Alexaner Erofeev
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
| | - Peter Gorelkin
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
| | - Elena Beloglazkina
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
| | - Alexander Majouga
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
| | - Olga Krasnovskaya
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia
- Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology (MISIS), Leninskiy Prospect 4, Moscow 119049, Russia
- Correspondence:
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10
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Spatz P, Zimmermann T, Steinmüller S, Hofmann J, Maurice T, Decker M. Novel benzimidazole-based pseudo-irreversible butyrylcholinesterase inhibitors with neuroprotective activity in an Alzheimer's disease mouse model. RSC Med Chem 2022; 13:944-954. [PMID: 36092149 PMCID: PMC9384809 DOI: 10.1039/d2md00087c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/19/2022] [Indexed: 09/17/2023] Open
Abstract
As levels of acetylcholinesterase (AChE) decrease while levels of butyrylcholinesterase (BChE) increase in later stages of Alzheimer's disease (AD), BChE stands out as a promising target for treatment of AD. Therefore, several benzimidazole-carbamates were designed based on docking studies to inhibit BChE selectively over AChE, while retaining a reasonable solubility. Synthesized molecules exhibit IC50 values from 2.4 μM down to 3.7 nM with an overall highly hBChE-selective profile of the designed compound class. After evaluation of potential neurotoxicity, the most promising compound was further investigated in vivo. Compound 11d attenuates Aβ25-35-induced learning impairments in both spontaneous alternation and passive avoidance responses at a very low dosage of 0.03 mg kg-1, proving selective BChE inhibition to lead to effective neuroprotectivity in AD.
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Affiliation(s)
- Philipp Spatz
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg Am Hubland D-97074 Germany
| | - Thomas Zimmermann
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg Am Hubland D-97074 Germany
| | - Sophie Steinmüller
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg Am Hubland D-97074 Germany
| | - Julian Hofmann
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg Am Hubland D-97074 Germany
| | - Tangui Maurice
- MMDN, University of Montpellier, EPHE, INSERM F-34095 Montpellier France
| | - Michael Decker
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg Am Hubland D-97074 Germany
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11
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Clark MG, Gonzalez GA, Luo Y, Aldana-Mendoza JA, Carlsen MS, Eakins G, Dai M, Zhang C. Real-time precision opto-control of chemical processes in live cells. Nat Commun 2022; 13:4343. [PMID: 35896556 PMCID: PMC9329476 DOI: 10.1038/s41467-022-32071-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 07/15/2022] [Indexed: 11/29/2022] Open
Abstract
Precision control of molecular activities and chemical reactions in live cells is a long-sought capability by life scientists. No existing technology can probe molecular targets in cells and simultaneously control the activities of only these targets at high spatial precision. We develop a real-time precision opto-control (RPOC) technology that detects a chemical-specific optical response from molecular targets during laser scanning and uses the optical signal to couple a separate laser to only interact with these molecules without affecting other sample locations. We demonstrate precision control of molecular states of a photochromic molecule in different regions of the cells. We also synthesize a photoswitchable compound and use it with RPOC to achieve site-specific inhibition of microtubule polymerization and control of organelle dynamics in live cells. RPOC can automatically detect and control biomolecular activities and chemical processes in dynamic living samples with submicron spatial accuracy, fast response time, and high chemical specificity. There is a need to control molecular activities at high spatial precision. Here the authors report a real-time precision opto-control technology that detects a chemical-specific optical response from molecular targets, and precisely control photoswitchable microtubule polymerization inhibitors in cells.
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Affiliation(s)
- Matthew G Clark
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA
| | - Gil A Gonzalez
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA
| | - Yiyang Luo
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA
| | - Jesus A Aldana-Mendoza
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA
| | - Mark S Carlsen
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA
| | - Gregory Eakins
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA
| | - Mingji Dai
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA.,Purdue Center for Cancer Research, 201 S. University St., West Lafayette, IN, 47907, USA
| | - Chi Zhang
- Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, 47907, USA. .,Purdue Center for Cancer Research, 201 S. University St., West Lafayette, IN, 47907, USA. .,Purdue Institute of Inflammation, Immunology, and Infectious Disease, 207 S. Martin Jischke Dr., West Lafayette, IN, 47907, USA.
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12
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Chen Z, Zhao Y, Liu Y. Advanced Strategies in Enzyme Activity Regulation for Biomedical Applications. Chembiochem 2022; 23:e202200358. [PMID: 35896516 DOI: 10.1002/cbic.202200358] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/25/2022] [Indexed: 11/06/2022]
Abstract
Enzymes are important macromolecular biocatalysts that accelerate chemical and biochemical reactions in living organisms. Most human diseases are related to alterations in enzyme activity. Moreover, enzymes are potential therapeutic tools for treating different diseases, such as cancer, infections, and cardiovascular and cerebrovascular diseases. Precise remote enzyme activity regulation provides new opportunities to combat diseases. This review summarizes recent advances in the field of enzyme activity regulation, including reversible and irreversible regulation. It also discusses the mechanisms and approaches for on-demand control of these activities. Furthermore, a range of stimulus-responsive inhibitors, polymers, and nanoparticles for regulating enzyme activity and their prospective biomedical applications are summarized. Finally, the current challenges and future perspectives on enzyme activity regulation are discussed.
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Affiliation(s)
- Zihan Chen
- Nankai University, College of Chemistry, Tianjin, CHINA
| | - Yu Zhao
- Nankai University, College of Chemistry, Tianjin, CHINA
| | - Yang Liu
- Nankai University, College of Chemistry, 94 Weijin Rd., Mengminwei Bldg 412, 300071, Tianjin, CHINA
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13
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Paolino M, Rullo M, Maramai S, de Candia M, Pisani L, Catto M, Mugnaini C, Brizzi A, Cappelli A, Olivucci M, Corelli F, Altomare CD. Design, synthesis and biological evaluation of light-driven on-off multitarget AChE and MAO-B inhibitors. RSC Med Chem 2022; 13:873-883. [PMID: 35923722 PMCID: PMC9298480 DOI: 10.1039/d2md00042c] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 05/19/2022] [Indexed: 08/13/2023] Open
Abstract
Neurodegenerative diseases are multifactorial disorders characterized by protein misfolding, oxidative stress, and neuroinflammation, finally resulting in neuronal loss and cognitive dysfunctions. Nowadays, an attractive strategy to improve the classical treatments is the development of multitarget-directed molecules able to synergistically interact with different enzymes and/or receptors. In addition, an interesting tool to refine personalized therapies may arise from the use of bioactive species able to modify their activity as a result of light irradiation. To this aim, we designed and synthesized a small library of cinnamic acid-inspired isomeric compounds with light modulated activity able to inhibit acetylcholinesterase (AChE) and monoamine oxidase B (MAO-B), with remarkable selectivity over butyrylcholinesterase (BChE) and MAO-A, which have been investigated as the enzyme targets related to Alzheimer's disease (AD). The inhibitory activities were evaluated for the pure E-diastereomers and the E/Z-diastereomer mixtures, obtained upon UV irradiation. Molecular docking studies were carried out to rationalize the differences in the inhibition potency of the E and Z diastereomers of the best performing analogue 1c. Our preliminary findings may open-up the way for developing innovative multitarget photo-switch drugs against neurodegenerative diseases.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Mariagrazia Rullo
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy
| | - Samuele Maramai
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Modesto de Candia
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy
| | - Leonardo Pisani
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy
| | - Marco Catto
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy
| | - Claudia Mugnaini
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Antonella Brizzi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Massimo Olivucci
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
- Chemistry Department, Bowling Green State University USA
| | - Federico Corelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Cosimo D Altomare
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy
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14
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Zhang H, Qi Y, Zhao X, Li M, Wang R, Cheng H, Li Z, Guo H, Li Z. Dithienylethene-Bridged Fluoroquinolone Derivatives for Imaging-Guided Reversible Control of Antibacterial Activity. J Org Chem 2022; 87:7446-7455. [PMID: 35608344 DOI: 10.1021/acs.joc.2c00797] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The emerging field of photopharmacology has offered a promising alternative to guard against the bacterial resistance by effectively avoiding antibiotic accumulation in the body or environment. However, the degradation, toxicity, and thermal reversibility have always been an ongoing concern for potential applications of azobenzene-based photopharmacology. Developing novel photopharmacological agents based on a more matched switch is highly in demand and remains a major challenge. Herein, two novel dithienylethene-bridged dual-fluoroquinolone derivatives have been developed by introducing two fluoroquinolone drugs into both ends of the dithienylethene (DTE) switch, in which the fluoroquinolone acts as a fluorophore except for the pharmacodynamic component. For comparison, two monofluoroquinolone-DTE hybrids were also prepared by a similar strategy. As expected, these resultant DTE-based antibacterial agents displayed efficient photochromism and fluorescence switching behavior in dimethyl sulfoxide. Moreover, improved antibacterial activities compared to those of monofluoroquinolone derivatives and a maximum fourfold active difference against Escherichia coli (E. coli) for open and closed isomers and photoswitchable bacterial imaging for Staphylococcus aureus and E. coli were observed. The molecular docking to DNA gyrase gave a rationale for the discrepancies in antibacterial activity for both isomers. Therefore, these fluoroquinolone derivatives can act as interesting imaging-guided photopharmacological agents for further in vivo studies.
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Affiliation(s)
- Haining Zhang
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Yueheng Qi
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Xinru Zhao
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Manman Li
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Ruyue Wang
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Huiping Cheng
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Zhuo Li
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Hui Guo
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Ziyong Li
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
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15
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Büllmann SM, Kolmar T, Zorn NF, Zaumseil J, Jäschke A. A DNA-Based Two-Component Excitonic Switch Utilizing High-Performance Diarylethenes. Angew Chem Int Ed Engl 2022; 61:e202117735. [PMID: 35076154 PMCID: PMC9305942 DOI: 10.1002/anie.202117735] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Indexed: 11/13/2022]
Abstract
Nucleosidic diarylethenes (DAEs) are an emerging class of photochromes but have rarely been used in materials science. Here, we have developed doubly methylated DAEs derived from 2'-deoxyuridine with high thermal stability and fatigue resistance. These new photoswitches not only outperform their predecessors but also rival classical non-nucleosidic DAEs. To demonstrate the utility of these new DAEs, we have designed an all-optical excitonic switch consisting of two oligonucleotides: one strand containing a fluorogenic double-methylated 2'-deoxyuridine as a fluorescence donor and the other a tricyclic cytidine (tC) as acceptor, which together form a highly efficient conditional Förster-Resonance-Energy-Transfer (FRET) pair. The system was operated in liquid and solid phases and showed both strong distance- and orientation-dependent photochromic FRET. The superior ON/OFF contrast was maintained over up to 100 switching cycles, with no detectable fatigue.
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Affiliation(s)
- Simon M. Büllmann
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
| | - Theresa Kolmar
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
| | - Nicolas F. Zorn
- Institute for Physical ChemistryHeidelberg UniversityIm Neuenheimer Feld 25369120HeidelbergGermany
| | - Jana Zaumseil
- Institute for Physical ChemistryHeidelberg UniversityIm Neuenheimer Feld 25369120HeidelbergGermany
| | - Andres Jäschke
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
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16
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Albuquerque HMT, Nunes da Silva R, Pereira M, Maia A, Guieu S, Soares AR, Santos CMM, Vieira SI, Silva AMS. Steroid-Quinoline Hybrids for Disruption and Reversion of Protein Aggregation Processes. ACS Med Chem Lett 2022; 13:443-448. [PMID: 35300075 PMCID: PMC8919386 DOI: 10.1021/acsmedchemlett.1c00604] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/08/2022] [Indexed: 12/21/2022] Open
Abstract
Reversing protein aggregation within cells may be an important tool to fight protein-misfolding disorders such as Alzheimer's, Parkinson's, and cardiovascular diseases. Here we report the design and synthesis of a family of steroid-quinoline hybrid compounds based on the framework combination approach. This set of hybrid compounds effectively inhibited Aβ1-42 self-aggregation in vitro by delaying the exponential growth phase and/or reducing the quantity of fibrils in the steady state. Their disaggregation efficacy was further demonstrated against preaggregated Aβ1-42 peptides in cellular assays upon their endocytosis by neuroblastoma cells, as they reverted both the number and the average area of fibrils back to basal levels. The antiaggregation effect of these hybrids was further tested and demonstrated in a cellular model of general protein aggregation expressing a protein aggregation fluorescent sensor. Together, our results show that the new cholesterol-quinoline hybrids possess wide and marked disaggregation capacities and are therefore promising templates for the development of new drugs to deal with conformational disorders.
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Affiliation(s)
- Hélio M T Albuquerque
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - Raquel Nunes da Silva
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal.,Department of Medical Sciences and Institute of Biomedicine, IBiMED, University of Aveiro, Agras do Crasto, 3810-193 Aveiro, Portugal
| | - Marisa Pereira
- Department of Medical Sciences and Institute of Biomedicine, IBiMED, University of Aveiro, Agras do Crasto, 3810-193 Aveiro, Portugal
| | - André Maia
- Instituto de Investigação e Inovação em Saúde (i3S) and Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, 4200-135 Porto, Portugal
| | - Samuel Guieu
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal.,CICECO Aveiro-Institute of Materials and Department of Chemistry, University of Aveiro, 3010-193 Aveiro, Portugal
| | - Ana Raquel Soares
- Department of Medical Sciences and Institute of Biomedicine, IBiMED, University of Aveiro, Agras do Crasto, 3810-193 Aveiro, Portugal
| | - Clementina M M Santos
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal.,Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, 5300-252 Bragança, Portugal
| | - Sandra I Vieira
- Department of Medical Sciences and Institute of Biomedicine, IBiMED, University of Aveiro, Agras do Crasto, 3810-193 Aveiro, Portugal
| | - Artur M S Silva
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
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17
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Büllmann SM, Kolmar T, Zorn NF, Zaumseil J, Jäschke A. Ein DNA‐basierter exzitonischer Zweikomponenten‐Schalter auf der Grundlage von Hochleistungs‐Diarylethenen. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Simon M. Büllmann
- Institut für Pharmazie und Molekulare Biotechnologie Universität Heidelberg Im Neuenheimer Feld 364 69120 Heidelberg Deutschland
| | - Theresa Kolmar
- Institut für Pharmazie und Molekulare Biotechnologie Universität Heidelberg Im Neuenheimer Feld 364 69120 Heidelberg Deutschland
| | - Nicolas F. Zorn
- Physikalisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 253 69120 Heidelberg Deutschland
| | - Jana Zaumseil
- Physikalisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 253 69120 Heidelberg Deutschland
| | - Andres Jäschke
- Institut für Pharmazie und Molekulare Biotechnologie Universität Heidelberg Im Neuenheimer Feld 364 69120 Heidelberg Deutschland
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18
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Scheiner M, Sink A, Hoffmann M, Vrigneau C, Endres E, Carles A, Sotriffer C, Maurice T, Decker M. Photoswitchable Pseudoirreversible Butyrylcholinesterase Inhibitors Allow Optical Control of Inhibition in Vitro and Enable Restoration of Cognition in an Alzheimer's Disease Mouse Model upon Irradiation. J Am Chem Soc 2022; 144:3279-3284. [PMID: 35138833 DOI: 10.1021/jacs.1c13492] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
To develop tools to investigate the biological functions of butyrylcholinesterase (BChE) and the mechanisms by which BChE affects Alzheimer's disease (AD), we synthesized several selective, nanomolar active, pseudoirreversible photoswitchable BChE inhibitors. The compounds were able to specifically influence different kinetic parameters of the inhibition process by light. For one compound, a 10-fold difference in the IC50-values (44.6 nM cis, 424 nM trans) in vitro was translated to an "all or nothing" response with complete recovery in a murine cognition-deficit AD model at dosages as low as 0.3 mg/kg.
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Affiliation(s)
- Matthias Scheiner
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius-Maximilian-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Alexandra Sink
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius-Maximilian-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Matthias Hoffmann
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius-Maximilian-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Cassandre Vrigneau
- MMDN, University of Montpellier, INSERM, EPHE, 34095 Montpellier, France
| | - Erik Endres
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius-Maximilian-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Allison Carles
- MMDN, University of Montpellier, INSERM, EPHE, 34095 Montpellier, France
| | - Christoph Sotriffer
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius-Maximilian-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Tangui Maurice
- MMDN, University of Montpellier, INSERM, EPHE, 34095 Montpellier, France
| | - Michael Decker
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius-Maximilian-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
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19
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Baruah P, Paul D, Doshi J, Mitra S. Elevated Fibrinogen Level Reduces Therapeutic Efficiency of AD Drugs: Biophysical Insights into the Interaction of FDA-Approved Cholinesterase Inhibitors with Human Fibrinogen. J Phys Chem B 2021; 126:30-43. [PMID: 34964643 DOI: 10.1021/acs.jpcb.1c07495] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Despite being the second most abundant protein in blood plasma, reports on the interaction of drugs with fibrinogen (FIB) are relatively scarce. The effect of FIB on the therapeutic potency of four FDA-approved Alzheimer's disease drugs, namely, tacrine (TAC), donepezil (DON), eserine (ESE), and huperzine (HUP), was investigated through a combination of different in vitro and in silico experiments. The efficiency of the drugs in inhibiting the activity of acetylcholinesterase (AChE) was significantly reduced in the presence of FIB. This effect was even found to be more substantial than that for the most abundant plasma protein, human serum albumin (HSA). For example, the relative change in IC50 for TAC was found to be 65% in 10 μM FIB as opposed to 43% in the presence of 250 μM HSA. The relative trend of modulation in AChE activity showed consistency with the binding efficiency of the drugs and FIB. The sequestration of drugs in FIB, therefore reducing the availability of free drugs in solution, was identified to be the primary cause for the decrease in the AChE inhibition potency. This study aims to establish FIB as a vital component, while considering the therapeutic effectiveness of different newly developed AChE inhibitors.
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Affiliation(s)
- Prayasee Baruah
- Department of Chemistry, North-Eastern Hill University, Shillong 793022, India
| | - Debojit Paul
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Jitesh Doshi
- BioInsight Solutions (OPC) Pvt. Ltd, Navi Mumbai 410210, India
| | - Sivaprasad Mitra
- Department of Chemistry, North-Eastern Hill University, Shillong 793022, India
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20
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Zhou S, Huang G. Synthesis and biological activities of butyrylcholinesterase inhibitors. Chem Biol Drug Des 2021; 99:727-735. [PMID: 34942058 DOI: 10.1111/cbdd.14016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 11/29/2022]
Abstract
Acetylcholinesterase (AChE) inhibitor is the first choice for the treatment of Alzheimer's disease (AD), but it has some defects, such as dose limitation and unsatisfactory long-term treatment effect. Recent studies have shown that butyrylcholinesterase (BuChE) inhibitors or double acetyl and butyryl cholinesterase inhibitors have better curative effects on AD, and the side effects are lower than those of specific AChE inhibitors. Dual target cholinesterase inhibitors have become a new hotspot in the research of anti-AD drugs. Herein, the synthesis and bioactivities of BuChE inhibitors were reviewed.
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Affiliation(s)
- Shiyang Zhou
- Laboratory of Carbohydrate Science and Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Gangliang Huang
- Laboratory of Carbohydrate Science and Engineering, Chongqing Normal University, Chongqing, 401331, China
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21
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The biological activities of butyrylcholinesterase inhibitors. Biomed Pharmacother 2021; 146:112556. [PMID: 34953393 DOI: 10.1016/j.biopha.2021.112556] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/08/2021] [Accepted: 12/19/2021] [Indexed: 11/23/2022] Open
Abstract
Acetylcholinesterase (AChE) inhibitor is the first choice for the treatment of Alzheimer's disease (AD), but it has some defects, such as dose limitation and unsatisfactory long-term treatment effect. Recent studies have shown that butyrylcholinesterase (BuChE) inhibitors or double acetyl and butyryl cholinesterase inhibitors have better curative effects on AD, and the side effects are lower than those of specific AChE inhibitors. Dual target cholinesterase inhibitors have become a new hotspot in the research of anti-AD drugs. Herein, the synthesis and bioactivities of BuChE inhibitors were reviewed.
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22
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Verma A, Kumar Waiker D, Bhardwaj B, Saraf P, Shrivastava SK. The molecular mechanism, targets, and novel molecules in the treatment of Alzheimer's disease. Bioorg Chem 2021; 119:105562. [PMID: 34952243 DOI: 10.1016/j.bioorg.2021.105562] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 11/27/2021] [Accepted: 12/12/2021] [Indexed: 11/19/2022]
Abstract
Alzheimer's disease (AD) is a progressive neurological illness that causes dementia mainly in the elderly. The challenging obstacles related to AD has freaked global healthcare system to encourage scientists in developing novel therapeutic startegies to overcome with the fatal disease. The current treatment therapy of AD provides only symptomatic relief and to some extent disease-modifying effects. The current approach for AD treatment involves designing of cholinergic inhibitors, Aβ disaggregation inducing agents, tau inhibitors and several antioxidants. Hence, extensive research on AD therapy urgently requires a deep understanding of its pathophysiology and exploration of various chemical scaffolds to design and develop a potential drug candidate for the treatment. Various issues linked between disease and therapy need to be considered such as BBB penetration capability, clinical failure and multifaceted pathophisiology requires a proper attention to develop a lead candidate. This review article covers all probable mechanisms including one of the recent areas for investigation i.e., lipid dyshomeostasis, pathogenic involvement of P. gingivalis and neurovascular dysfunction, recently reported molecules and drugs under clinical investigations and approved by FDA for AD treatment. Our summarized information on AD will attract the researchers to understand and explore current status and structural modifications of the recently reported heterocyclic derivatives in drug development for AD therapy.
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Affiliation(s)
- Akash Verma
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Digambar Kumar Waiker
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Bhagwati Bhardwaj
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Poorvi Saraf
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Sushant K Shrivastava
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India.
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23
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Walczewska-Szewc K, Nowak W. Photo-Switchable Sulfonylureas Binding to ATP-Sensitive Potassium Channel Reveal the Mechanism of Light-Controlled Insulin Release. J Phys Chem B 2021; 125:13111-13121. [PMID: 34825567 PMCID: PMC8667036 DOI: 10.1021/acs.jpcb.1c07292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 11/13/2021] [Indexed: 11/29/2022]
Abstract
ATP-sensitive potassium (KATP) channels are present in numerous organs, including the heart, brain, and pancreas. Physiological opening and closing of KATPs present in pancreatic β-cells, in response to changes in the ATP/ADP concentration ratio, are correlated with insulin release into the bloodstream. Sulfonylurea drugs, commonly used in type 2 diabetes mellitus treatment, bind to the octamer KATP channels composed of four pore-forming Kir6.2 and four SUR1 subunits and increase the probability of insulin release. Azobenzene-based derivatives of sulfonylureas, such as JB253 inspired by well-established antidiabetic drug glimepiride, allow for control of this process by light. The mechanism of that phenomenon was not known until now. In this paper, we use molecular docking, molecular dynamics, and metadynamics to reveal structural determinants explaining light-controlled insulin release. We show that both trans- and cis-JB253 bind to the same SUR1 cavity as antidiabetic sulfonylurea glibenclamide (GBM). Simulations indicate that, in contrast to trans-JB253, the cis-JB253 structure generated by blue light absorption promotes open structures of SUR1, in close similarity to the GBM effect. We postulate that in the open SUR1 structures, the N-terminal tail from Kir6.2 protruding into the SUR1 pocket is stabilized by flexible enough sulfonylureas. Therefore, the adjacent Kir6.2 pore is more often closed, which in turn facilitates insulin release. Thus, KATP conductance is regulated by peptide linkers between its Kir6.2 and SUR1 subunits, a phenomenon present in other biological signaling pathways. Our data explain the observed light-modulated activity of photoactive sulfonylureas and widen a way to develop new antidiabetic drugs having reduced adverse effects.
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Affiliation(s)
- Katarzyna Walczewska-Szewc
- Faculty of Physics, Astronomy
and Informatics, Nicolaus Copernicus University
in Torun, ul. Grudziadzka 5, 87-100 Torun, Poland
| | - Wieslaw Nowak
- Faculty of Physics, Astronomy
and Informatics, Nicolaus Copernicus University
in Torun, ul. Grudziadzka 5, 87-100 Torun, Poland
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24
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Rational design and synthesis of modified natural peptides from Boana pulchella (anura) as acetylcholinesterase inhibitors and antioxidants. Amino Acids 2021; 54:181-192. [PMID: 34738177 DOI: 10.1007/s00726-021-03096-3] [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: 08/02/2021] [Accepted: 10/26/2021] [Indexed: 10/19/2022]
Abstract
The use of acetylcholinesterase (AChE) inhibitors, antioxidants or multitarget compounds are among the main strategies against Alzheimer's disease (AD). Between AChE inhibitors, those targeting the peripheral anionic site (PAS) are of special interest. Here, we describe the rational design and synthesis of peptide analogs of a natural PAS-targeting sequence that we recently discovered, aiming at increasing its activity against AChE. We also tested their radical scavenging and metal chelating properties. Our design strategy was based on the position-specific, computer-aided insertion of aromatic residues. The analog named as W3 showed a 30-fold higher inhibitory activity than the original sequence and an improved antioxidant activity. W3 is the most potent modified natural peptide against Electrophorus electricus AChE ever reported with an IC50 of 10.42 μM (± 1.02). In addition, it showed a radical scavenging activity of 47.00% ± 3.11 at 50 μM and 93.47% ± 1.53 at 400 μM. Since peptides are receiving increasing interest as drugs, we propose the W3 analog as an attractive sequence for the development of new peptide-based multitarget drugs for AD. Besides, this work sheds light on the importance of the aromatic residues in the modulation of AChE activity and their effect on the radical scavenging activity of a peptide.
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25
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Cao J, Cheng Y, Xu B, Wang Y, Wang F. Determination of Different Selenium Species in Selenium-Enriched Polysaccharide by HPLC-ICP-MS. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-021-02077-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Spinelli R, Rietmann Á, Sanchis I, Siano ÁS. Natural multi-target modulators of pathological pathways in Alzheimer's disease isolated from the Rhinella arenarum skin. Nat Prod Res 2021; 36:3193-3197. [PMID: 34311633 DOI: 10.1080/14786419.2021.1953022] [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] [Indexed: 10/20/2022]
Abstract
The skin of anuran amphibians is a rich source of compounds with great medicinal potential. Alzheimer's disease (AD) is a complex disease associated with numerous pathological pathways, making their simultaneous modulation necessary. Nowadays the development of anti-AD drugs is focused on a Multi-Target Directed Ligands strategy. Herein we report the bioactivity of the skin extracts of the toad Rhinella arenarum obtained by an invasive and non-invasive methods, against five AD pathological targets (AChE, BChE, MAO-B, antioxidant and chelating activities). The extract derived from the non-invasive technique showed the highest biological activity, being capable of acting on all or almost all the pathological targets of AD, while also avoiding harm to the animal.
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Affiliation(s)
- Roque Spinelli
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Álvaro Rietmann
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Ivan Sanchis
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Álvaro Sebastián Siano
- Laboratorio de Péptidos Bioactivos, Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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27
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Ritacca AG, Ritacco I, Dabbish E, Russo N, Mazzone G, Sicilia E. A Boron-Containing Compound Acting on Multiple Targets Against Alzheimer's Disease. Insights from Ab Initio and Molecular Dynamics Simulations. J Chem Inf Model 2021; 61:3397-3410. [PMID: 34253017 DOI: 10.1021/acs.jcim.1c00262] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Given the multifactorial nature and pathogenesis of Alzheimer's disease, therapeutic strategies are addressed to combine the benefits of every single-target drug into a sole molecule. Quantum mechanics and molecular dynamics (MD) methods were employed here to investigate the multitarget action of a boron-containing compound against Alzheimer's disease. The antioxidant activity as a radical scavenger and metal chelator was explored by means of density functional theory. The most plausible radical scavenger mechanisms, which are hydrogen transfer, radical adduct formation, and single-electron transfer in aqueous and lipid environments, were fully examined. Metal chelation ability was investigated by considering the complexation of Cu(II) ion, one of the metals that in excess can even catalyze the β-amyloid (Aβ) aggregation. The most probable complexes in the physiological environment were identified by considering both the stabilization energy and the shift of the λmax induced by the complexation. The excellent capability to counteract Aβ aggregation was explored by performing MD simulations on protein-ligand adducts, and the activity was compared with that of curcumin, chosen as a reference.
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Affiliation(s)
- Alessandra G Ritacca
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende (CS), Italy
| | - Ida Ritacco
- Department of Chemistry and Biology "Adolfo Zambelli", University of Salerno, 84084 Fisciano (SA), Italy
| | - Eslam Dabbish
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende (CS), Italy
| | - Nino Russo
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende (CS), Italy
| | - Gloria Mazzone
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende (CS), Italy
| | - Emilia Sicilia
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende (CS), Italy
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28
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Rodríguez-Soacha DA, Fender J, Ramírez YA, Collado JA, Muñoz E, Maitra R, Sotriffer C, Lorenz K, Decker M. "Photo-Rimonabant": Synthesis and Biological Evaluation of Novel Photoswitchable Molecules Derived from Rimonabant Lead to a Highly Selective and Nanomolar " Cis-On" CB 1R Antagonist. ACS Chem Neurosci 2021; 12:1632-1647. [PMID: 33856764 DOI: 10.1021/acschemneuro.1c00086] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Human cannabinoid receptor type 1 (hCB1R) plays important roles in the regulation of appetite and development of addictive behaviors. Herein, we describe the design, synthesis, photocharacterization, molecular docking, and in vitro characterization of "photo-rimonabant", i.e., azo-derivatives of the selective hCB1R antagonist SR1411716A (rimonabant). By applying azo-extension strategies, we yielded compound 16a, which shows marked affinity for CB1R (Ki (cis form) = 29 nM), whose potency increases by illumination with ultraviolet light (CB1R Kitrans/cis ratio = 15.3). Through radioligand binding, calcium mobilization, and cell luminescence assays, we established that 16a is highly selective for hCB1R over hCB2R. These selective antagonists can be valuable molecular tools for optical modulation of CBRs and better understanding of disorders associated with the endocannabinoid system.
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Affiliation(s)
- Diego A. Rodríguez-Soacha
- Pharmazeutische und Medizinische Chemie, Institut für Pharmazie und Lebensmittelchemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Julia Fender
- Institut für Pharmakologie und Toxikologie, Julius-Maximilians-Universität Würzburg, Versbacher Straße 9, D-97078 Würzburg, Germany
| | - Yesid A. Ramírez
- Pharmazeutische und Medizinische Chemie, Institut für Pharmazie und Lebensmittelchemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
- Departmento de Ciencias Farmacéuticas, Facultad de Ciencias Naturales, Universidad Icesi, 760031 Cali, Valle del Cauca, Colombia
| | - Juan Antonio Collado
- Instituto Maimónides de Investigación Biomédica de Córdoba, Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Hospital Universitario Reina Sofía, Avda Menendez Pidal s/n, 14004 Córdoba, Spain
| | - Eduardo Muñoz
- Instituto Maimónides de Investigación Biomédica de Córdoba, Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Hospital Universitario Reina Sofía, Avda Menendez Pidal s/n, 14004 Córdoba, Spain
| | - Rangan Maitra
- Discovery Science and Technology, RTI International, 3040 Cornwallis Road, Research Triangle Park, North Carolina 27709-2194, United States
| | - Christoph Sotriffer
- Pharmazeutische und Medizinische Chemie, Institut für Pharmazie und Lebensmittelchemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Kristina Lorenz
- Institut für Pharmakologie und Toxikologie, Julius-Maximilians-Universität Würzburg, Versbacher Straße 9, D-97078 Würzburg, Germany
- Leibniz-Institut für Analytische Wissenschaften—ISAS e.V., Bunsen-Kirchhoff-Straße 11, 44139 Dortmund, Germany
| | - Michael Decker
- Pharmazeutische und Medizinische Chemie, Institut für Pharmazie und Lebensmittelchemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
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29
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De Boer D, Nguyen N, Mao J, Moore J, Sorin EJ. A Comprehensive Review of Cholinesterase Modeling and Simulation. Biomolecules 2021; 11:580. [PMID: 33920972 PMCID: PMC8071298 DOI: 10.3390/biom11040580] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/08/2021] [Accepted: 04/11/2021] [Indexed: 01/18/2023] Open
Abstract
The present article reviews published efforts to study acetylcholinesterase and butyrylcholinesterase structure and function using computer-based modeling and simulation techniques. Structures and models of both enzymes from various organisms, including rays, mice, and humans, are discussed to highlight key structural similarities in the active site gorges of the two enzymes, such as flexibility, binding site location, and function, as well as differences, such as gorge volume and binding site residue composition. Catalytic studies are also described, with an emphasis on the mechanism of acetylcholine hydrolysis by each enzyme and novel mutants that increase catalytic efficiency. The inhibitory activities of myriad compounds have been computationally assessed, primarily through Monte Carlo-based docking calculations and molecular dynamics simulations. Pharmaceutical compounds examined herein include FDA-approved therapeutics and their derivatives, as well as several other prescription drug derivatives. Cholinesterase interactions with both narcotics and organophosphate compounds are discussed, with the latter focusing primarily on molecular recognition studies of potential therapeutic value and on improving our understanding of the reactivation of cholinesterases that are bound to toxins. This review also explores the inhibitory properties of several other organic and biological moieties, as well as advancements in virtual screening methodologies with respect to these enzymes.
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Affiliation(s)
- Danna De Boer
- Department of Chemistry & Biochemistry, California State University, Long Beach, CA 90840, USA;
| | - Nguyet Nguyen
- Department of Chemical Engineering, California State University, Long Beach, CA 90840, USA; (N.N.); (J.M.)
| | - Jia Mao
- Department of Chemical Engineering, California State University, Long Beach, CA 90840, USA; (N.N.); (J.M.)
| | - Jessica Moore
- Department of Biomedical Engineering, California State University, Long Beach, CA 90840, USA;
| | - Eric J. Sorin
- Department of Chemistry & Biochemistry, California State University, Long Beach, CA 90840, USA;
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30
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Kolmar T, Büllmann SM, Sarter C, Höfer K, Jäschke A. Development of High-Performance Pyrimidine Nucleoside and Oligonucleotide Diarylethene Photoswitches. Angew Chem Int Ed Engl 2021; 60:8164-8173. [PMID: 33476096 PMCID: PMC8049081 DOI: 10.1002/anie.202014878] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/05/2021] [Indexed: 01/17/2023]
Abstract
Nucleosidic and oligonucleotidic diarylethenes (DAEs) are an emerging class of photochromes with high application potential. However, their further development is hampered by the poor understanding of how the chemical structure modulates the photochromic properties. Here we synthesized 26 systematically varied deoxyuridine- and deoxycytidine-derived DAEs and analyzed reaction quantum yields, composition of the photostationary states, thermal and photochemical stability, and reversibility. This analysis identified two high-performance photoswitches with near-quantitative, fully reversible back-and-forth switching and no detectable thermal or photochemical deterioration. When incorporated into an oligonucleotide with the sequence of a promotor, the nucleotides maintained their photochromism and allowed the modulation of the transcription activity of T7 RNA polymerase with an up to 2.4-fold turn-off factor, demonstrating the potential for optochemical control of biological processes.
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Affiliation(s)
- Theresa Kolmar
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
| | - Simon M. Büllmann
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
| | - Christopher Sarter
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
| | - Katharina Höfer
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
| | - Andres Jäschke
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg UniversityIm Neuenheimer Feld 36469120HeidelbergGermany
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31
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Kolmar T, Büllmann SM, Sarter C, Höfer K, Jäschke A. Development of High‐Performance Pyrimidine Nucleoside and Oligonucleotide Diarylethene Photoswitches. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014878] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Theresa Kolmar
- Institute of Pharmacy and Molecular Biotechnology Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
| | - Simon M. Büllmann
- Institute of Pharmacy and Molecular Biotechnology Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
| | - Christopher Sarter
- Institute of Pharmacy and Molecular Biotechnology Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
| | - Katharina Höfer
- Institute of Pharmacy and Molecular Biotechnology Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
| | - Andres Jäschke
- Institute of Pharmacy and Molecular Biotechnology Heidelberg University Im Neuenheimer Feld 364 69120 Heidelberg Germany
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32
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Baruah P, Das A, Paul D, Chakrabarty S, Aguan K, Mitra S. Sulfonylurea Class of Antidiabetic Drugs Inhibit Acetylcholinesterase Activity: Unexplored Auxiliary Pharmacological Benefit toward Alzheimer's Disease. ACS Pharmacol Transl Sci 2021; 4:193-205. [PMID: 33615172 PMCID: PMC7887854 DOI: 10.1021/acsptsci.0c00168] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Indexed: 12/21/2022]
Abstract
Contemporary literature documents extensive research on common causative mechanisms, pathogenic pathways and dual effective remedies for Alzheimer's disease (AD) and Type 2 diabetes mellitus (T2DM). Tolbutamide (TBM), chlorpropamide (CPM), and glyburide (GLY) are three sulfonylurea antidiabetic drugs of different generations. All these drugs were found to exhibit moderate to strong inhibitory efficiency on the neurotransmitter degrading enzyme acetylcholinesterase (AChE) with GLY (IC50 = 0.74 ± 0.02 μM) being the most potent, followed by CPM (IC50 = 5.72 ± 0.24 μM) and TBM (IC50 = 28.9 ± 1.60 μM). Notably, the inhibition efficiency of GLY is even comparable with the FDA approved AD drug, donepezil (DON). The larger size of GLY spans almost the full gorge of AChE ranging from catalytic active site (CAS) to the peripheral active site (PAS) with relatively strong binding affinity (6.0 × 105 M-1) and acts as a competitive inhibitor for AChE. On the other hand, while they show relatively weak binding ((2-6) × 104 M-1), both CPM and TBM act as noncompetitive binders. While these two drugs can bind to PAS, MD simulation results predict an alternative noncompetitive inhibition mechanism for CPM. These results open the possibility of repurposing the antidiabetic drugs, particularly GLY, in the treatment of AD. The consequential side effect of excess acetylcholine production, due to the administration of these drugs to AD-unaffected patients, can be rectified by using colloidal gold and silver nanofluids as potential AChE activity boosters.
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Affiliation(s)
- Prayasee Baruah
- Centre
for Advanced Studies in Chemistry and Department of Biotechnology &
Bioinformatics, North-Eastern Hill University, Shillong 793022, India
| | - Abhinandan Das
- Department
of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Salt Lake City, Kolkata 700106, India
| | - Debojit Paul
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, India
| | - Suman Chakrabarty
- Department
of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Salt Lake City, Kolkata 700106, India
| | - Kripamoy Aguan
- Centre
for Advanced Studies in Chemistry and Department of Biotechnology &
Bioinformatics, North-Eastern Hill University, Shillong 793022, India
| | - Sivaprasad Mitra
- Centre
for Advanced Studies in Chemistry and Department of Biotechnology &
Bioinformatics, North-Eastern Hill University, Shillong 793022, India
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33
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Dwyer BG, Wang C, Abegg D, Racioppo B, Qiu N, Zhao Z, Pechalrieu D, Shuster A, Hoch DG, Adibekian A. Chemoproteomics-Enabled De Novo Discovery of Photoswitchable Carboxylesterase Inhibitors for Optically Controlled Drug Metabolism. Angew Chem Int Ed Engl 2021; 60:3071-3079. [PMID: 33035395 DOI: 10.1002/anie.202011163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/07/2020] [Indexed: 12/28/2022]
Abstract
Herein, we report arylazopyrazole ureas and sulfones as a novel class of photoswitchable serine hydrolase inhibitors and present a chemoproteomic platform for rapid discovery of optically controlled serine hydrolase targets in complex proteomes. Specifically, we identify highly potent and selective photoswitchable inhibitors of the drug-metabolizing enzymes carboxylesterases 1 and 2 and demonstrate their pharmacological application by optically controlling the metabolism of the immunosuppressant drug mycophenolate mofetil. Collectively, this proof-of-concept study provides a first example of photopharmacological tools to optically control drug metabolism by modulating the activity of a metabolizing enzyme. Our arylazopyrazole ureas and sulfones offer synthetically accessible scaffolds that can be expanded to identify specific photoswitchable inhibitors for other serine hydrolases, including lipases, peptidases, and proteases. Our chemoproteomic platform can be applied to other photoswitches and scaffolds to achieve optical control over diverse protein classes.
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Affiliation(s)
- Brendan G Dwyer
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Chao Wang
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA.,Current address: Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Daniel Abegg
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Brittney Racioppo
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Nan Qiu
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Zhensheng Zhao
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Dany Pechalrieu
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Anton Shuster
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Dominic G Hoch
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA.,Current address: Laboratory of Organic Chemistry, ETH Zürich, 8093, Zürich, Switzerland
| | - Alexander Adibekian
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
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Dwyer BG, Wang C, Abegg D, Racioppo B, Qiu N, Zhao Z, Pechalrieu D, Shuster A, Hoch DG, Adibekian A. Chemoproteomics‐Enabled De Novo Discovery of Photoswitchable Carboxylesterase Inhibitors for Optically Controlled Drug Metabolism. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Brendan G. Dwyer
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Chao Wang
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
- Current address: Department of Molecular Medicine The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Daniel Abegg
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Brittney Racioppo
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Nan Qiu
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Zhensheng Zhao
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Dany Pechalrieu
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Anton Shuster
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Dominic G. Hoch
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
- Current address: Laboratory of Organic Chemistry ETH Zürich 8093 Zürich Switzerland
| | - Alexander Adibekian
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
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35
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Adak T, Hoffmann M, Witzel S, Rudolph M, Dreuw A, Hashmi ASK. Visible Light-Enabled sp 3 -C-H Functionalization with Chloro- and Bromoalkynes: Chemoselective Route to Vinylchlorides or Alkynes. Chemistry 2020; 26:15573-15580. [PMID: 32472581 PMCID: PMC7756539 DOI: 10.1002/chem.202001259] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/26/2020] [Indexed: 12/21/2022]
Abstract
An unprecedented direct atom-economic chemo- and regioselective hydroalkylation of chloroalkynes and an sp3 -C-H alkynylation of bromoalkynes was achieved. The reaction partners are unfunctionalized ethers, alcohols, amides, and even non-activated hydrocarbons. We found that a household fluorescent bulb was able to excite a diaryl ketone, which then selectively abstracts a H-atom from an sp3 -C-H bond. The product of a formal alkyne insertion into the sp3 -C-H bond was obtained with chloroalkynes, providing valuable vinyl chlorides. The photo-organocatalytic hydrogen atom transfer strategy gives rise to a broad range of diversely functionalized olefins. When bromoalkynes are applied in the presence of a base, a chemoselectivity switch to an alkynylation is observed. This reaction can even be performed for the alkynylation of unactivated sp3 -C-H bonds, in this case with a preference of the more substituted carbon. Accompanying quantum chemical calculations indicate a vinyl radical intermediate with pronounced linear coordination of the carbon radical center, thus enabling the formation of both diastereoisomers after H-atom abstraction, suggesting that the (Z)-diastereoisomer is preferred, which supports the experimentally observed (E/Z)-distribution.
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Affiliation(s)
- Tapas Adak
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Marvin Hoffmann
- Theoretical and Computational ChemistryInterdisciplinary Center for Scientific Computing (IWR)Heidelberg UniversityIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Sina Witzel
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Andreas Dreuw
- Theoretical and Computational ChemistryInterdisciplinary Center for Scientific Computing (IWR)Heidelberg UniversityIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia
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36
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Akhoon BA, Choudhary S, Tiwari H, Kumar A, Barik MR, Rathor L, Pandey R, Nargotra A. Discovery of a New Donepezil-like Acetylcholinesterase Inhibitor for Targeting Alzheimer’s Disease: Computational Studies with Biological Validation. J Chem Inf Model 2020; 60:4717-4729. [DOI: 10.1021/acs.jcim.0c00496] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bashir Akhlaq Akhoon
- Discovery Informatics Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Sushil Choudhary
- Division of PK-PD-Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Harshita Tiwari
- Discovery Informatics Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ajay Kumar
- Division of PK-PD-Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Manas Ranjan Barik
- Discovery Informatics Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Laxmi Rathor
- Microbial Technology and Nematology Department, CSIR - Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rakesh Pandey
- Microbial Technology and Nematology Department, CSIR - Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amit Nargotra
- Discovery Informatics Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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37
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Scheiner M, Sink A, Spatz P, Endres E, Decker M. Photopharmacology on Acetylcholinesterase: Novel Photoswitchable Inhibitors with Improved Pharmacological Profiles. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000119] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Matthias Scheiner
- Pharmazeutische und Medizinische Chemie Institut für Pharmazie und Lebensmittelchemie Julius-Maximilians Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Alexandra Sink
- Pharmazeutische und Medizinische Chemie Institut für Pharmazie und Lebensmittelchemie Julius-Maximilians Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Philipp Spatz
- Pharmazeutische und Medizinische Chemie Institut für Pharmazie und Lebensmittelchemie Julius-Maximilians Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Erik Endres
- Pharmazeutische und Medizinische Chemie Institut für Pharmazie und Lebensmittelchemie Julius-Maximilians Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Michael Decker
- Pharmazeutische und Medizinische Chemie Institut für Pharmazie und Lebensmittelchemie Julius-Maximilians Universität Würzburg Am Hubland 97074 Würzburg Germany
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38
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Jacquet M, Uriarte LM, Lafolet F, Boggio-Pasqua M, Sliwa M, Loiseau F, Saint-Aman E, Cobo S, Royal G. All Visible Light Switch Based on the Dimethyldihydropyrene Photochromic Core. J Phys Chem Lett 2020; 11:2682-2688. [PMID: 32182072 DOI: 10.1021/acs.jpclett.0c00408] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Two photoswitchable compounds that can operate under visible light irradiation are prepared and investigated using spectroscopic and computational studies. These all-visible systems are based on the dimethyldihydropyrene (DHP)/cyclophanediene (CPD) photochromic couple connected either to a bipyridine (bpy) unit or to a (tris(bpy)ruthenium(II)) complex through a pyridinium bridge. In these compounds, the DHP to CPD isomerization and the reverse CPD to DHP conversion can be triggered by illumination with red (>630 nm) and blue (460 nm) lights, respectively. The unambiguous and reversible response of these systems triggered by visible light make them potential candidates for biological purposes and electronic devices.
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Affiliation(s)
- Margot Jacquet
- Université Grenoble Alpes, DCM UMR 5250, F-38000 Grenoble, France
| | - Lucas M Uriarte
- Université Lille, CNRS, UMR 8516, LASIR, Laboratoire de Spectrochimie Infrarouge et Raman, F59 000 Lille, France
| | - Frédéric Lafolet
- Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, 15 Rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Martial Boggio-Pasqua
- Université Toulouse 3, CNRS, LCPQ UMR 5626, 118 Route de Narbonne, 31062 Toulouse, France
| | - Michel Sliwa
- Université Lille, CNRS, UMR 8516, LASIR, Laboratoire de Spectrochimie Infrarouge et Raman, F59 000 Lille, France
| | | | - Eric Saint-Aman
- Université Grenoble Alpes, DCM UMR 5250, F-38000 Grenoble, France
| | - Saioa Cobo
- Université Grenoble Alpes, DCM UMR 5250, F-38000 Grenoble, France
- Institut Universitaire de France, 1 Rue Descartes, 75231 Paris, France
| | - Guy Royal
- Université Grenoble Alpes, DCM UMR 5250, F-38000 Grenoble, France
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Maspero M, Volpato D, Cirillo D, Yuan Chen N, Messerer R, Sotriffer C, De Amici M, Holzgrabe U, Dallanoce C. Tacrine-xanomeline and tacrine-iperoxo hybrid ligands: Synthesis and biological evaluation at acetylcholinesterase and M1 muscarinic acetylcholine receptors. Bioorg Chem 2020; 96:103633. [DOI: 10.1016/j.bioorg.2020.103633] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 12/20/2019] [Accepted: 01/28/2020] [Indexed: 12/20/2022]
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40
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Trads JB, Hüll K, Matsuura BS, Laprell L, Fehrentz T, Görldt N, Kozek KA, Weaver CD, Klöcker N, Barber DM, Trauner D. Sign Inversion in Photopharmacology: Incorporation of Cyclic Azobenzenes in Photoswitchable Potassium Channel Blockers and Openers. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905790] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Julie B. Trads
- Department of Chemistry and Center for Integrated Protein Science (CIPSM) Ludwig Maximilian University Munich Butenandtstr. 5–13 81377 Munich Germany
- Center for DNA Nanotechnology Department of Chemistry and iNANO Aarhus University Gustav Wieds Vej 14 8000 Aarhus C Denmark
| | - Katharina Hüll
- Department of Chemistry and Center for Integrated Protein Science (CIPSM) Ludwig Maximilian University Munich Butenandtstr. 5–13 81377 Munich Germany
- Department of Chemistry New York University 100 Washington Square East New York NY 10003-6699 USA
| | - Bryan S. Matsuura
- Department of Chemistry and Center for Integrated Protein Science (CIPSM) Ludwig Maximilian University Munich Butenandtstr. 5–13 81377 Munich Germany
- Department of Chemistry New York University 100 Washington Square East New York NY 10003-6699 USA
| | - Laura Laprell
- Department of Chemistry and Center for Integrated Protein Science (CIPSM) Ludwig Maximilian University Munich Butenandtstr. 5–13 81377 Munich Germany
| | - Timm Fehrentz
- Institute of Neural and Sensory Physiology, Medical Faculty University of Düsseldorf Düsseldorf Germany
| | - Nicole Görldt
- Institute of Neural and Sensory Physiology, Medical Faculty University of Düsseldorf Düsseldorf Germany
| | - Krystian A. Kozek
- Department of Pharmacology Vanderbilt University School of Medicine Nashville TN USA
| | - C. David Weaver
- Departments of Pharmacology and Chemistry Institute of Chemical Biology Vanderbilt University School of Medicine Nashville TN USA
| | - Nikolaj Klöcker
- Institute of Neural and Sensory Physiology, Medical Faculty University of Düsseldorf Düsseldorf Germany
| | - David M. Barber
- Department of Chemistry and Center for Integrated Protein Science (CIPSM) Ludwig Maximilian University Munich Butenandtstr. 5–13 81377 Munich Germany
| | - Dirk Trauner
- Department of Chemistry and Center for Integrated Protein Science (CIPSM) Ludwig Maximilian University Munich Butenandtstr. 5–13 81377 Munich Germany
- Department of Chemistry New York University 100 Washington Square East New York NY 10003-6699 USA
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41
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Trads JB, Hüll K, Matsuura BS, Laprell L, Fehrentz T, Görldt N, Kozek KA, Weaver CD, Klöcker N, Barber DM, Trauner D. Sign Inversion in Photopharmacology: Incorporation of Cyclic Azobenzenes in Photoswitchable Potassium Channel Blockers and Openers. Angew Chem Int Ed Engl 2019; 58:15421-15428. [PMID: 31441199 DOI: 10.1002/anie.201905790] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/30/2019] [Indexed: 01/22/2023]
Abstract
Photopharmacology relies on ligands that change their pharmacodynamics upon photoisomerization. Many of these ligands are azobenzenes that are thermodynamically more stable in their elongated trans-configuration. Often, they are biologically active in this form and lose activity upon irradiation and photoisomerization to their cis-isomer. Recently, cyclic azobenzenes, so-called diazocines, have emerged, which are thermodynamically more stable in their bent cis-form. Incorporation of these switches into a variety of photopharmaceuticals could convert dark-active ligands into dark-inactive ligands, which is preferred in most biological applications. This "pharmacological sign-inversion" is demonstrated for a photochromic blocker of voltage-gated potassium channels, termed CAL, and a photochromic opener of G protein-coupled inwardly rectifying potassium (GIRK) channels, termed CLOGO.
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Affiliation(s)
- Julie B Trads
- Department of Chemistry and Center for Integrated Protein Science (CIPSM), Ludwig Maximilian University Munich, Butenandtstr. 5-13, 81377, Munich, Germany.,Center for DNA Nanotechnology, Department of Chemistry and iNANO, Aarhus University, Gustav Wieds Vej 14, 8000, Aarhus C, Denmark
| | - Katharina Hüll
- Department of Chemistry and Center for Integrated Protein Science (CIPSM), Ludwig Maximilian University Munich, Butenandtstr. 5-13, 81377, Munich, Germany.,Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003-6699, USA
| | - Bryan S Matsuura
- Department of Chemistry and Center for Integrated Protein Science (CIPSM), Ludwig Maximilian University Munich, Butenandtstr. 5-13, 81377, Munich, Germany.,Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003-6699, USA
| | - Laura Laprell
- Department of Chemistry and Center for Integrated Protein Science (CIPSM), Ludwig Maximilian University Munich, Butenandtstr. 5-13, 81377, Munich, Germany
| | - Timm Fehrentz
- Institute of Neural and Sensory Physiology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
| | - Nicole Görldt
- Institute of Neural and Sensory Physiology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
| | - Krystian A Kozek
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - C David Weaver
- Departments of Pharmacology and Chemistry, Institute of Chemical Biology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Nikolaj Klöcker
- Institute of Neural and Sensory Physiology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
| | - David M Barber
- Department of Chemistry and Center for Integrated Protein Science (CIPSM), Ludwig Maximilian University Munich, Butenandtstr. 5-13, 81377, Munich, Germany
| | - Dirk Trauner
- Department of Chemistry and Center for Integrated Protein Science (CIPSM), Ludwig Maximilian University Munich, Butenandtstr. 5-13, 81377, Munich, Germany.,Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003-6699, USA
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42
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Sarter C, Dey S, Jäschke A. Photoswitchable Oligonucleotides Containing Different Diarylethene-Modified Nucleotides. ACS OMEGA 2019; 4:12125-12129. [PMID: 31460326 PMCID: PMC6682051 DOI: 10.1021/acsomega.9b01070] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 06/18/2019] [Indexed: 06/10/2023]
Abstract
Diarylethenes are a well-studied class of photoswitches and have often been linked to partner molecules to render them photoresponsive. Earlier, our lab developed a new type of diarylethenes in which the purine or pyrimidine base of a nucleoside or oligonucleotide serves as one of the two aryl residues of the photochromic system. Here, we report the synthesis of three different diarylethene-deoxyuridine phosphoramidites and their site-specific incorporation into oligodeoxynucleotides by solid-phase synthesis. Various DNA sequences carrying single or multiple, identical or different photoswitchable moieties are synthesized with high yield and purity. Upon UV irradiation, these DNA strands form a colored closed-ring isomer. The combination of different diarylethenes within one strand leads to an additive absorption spectrum. The photochromic DNA oligonucleotides are thermostable and photoreversible.
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43
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Ganeshpurkar A, Swetha R, Kumar D, Gangaram GP, Singh R, Gutti G, Jana S, Kumar D, Kumar A, Singh SK. Protein-Protein Interactions and Aggregation Inhibitors in Alzheimer's Disease. Curr Top Med Chem 2019; 19:501-533. [PMID: 30836921 DOI: 10.2174/1568026619666190304153353] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 10/31/2018] [Accepted: 11/20/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Alzheimer's Disease (AD), a multifaceted disorder, involves complex pathophysiology and plethora of protein-protein interactions. Thus such interactions can be exploited to develop anti-AD drugs. OBJECTIVE The interaction of dynamin-related protein 1, cellular prion protein, phosphoprotein phosphatase 2A and Mint 2 with amyloid β, etc., studied recently, may have critical role in progression of the disease. Our objective has been to review such studies and their implications in design and development of drugs against the Alzheimer's disease. METHODS Such studies have been reviewed and critically assessed. RESULTS Review has led to show how such studies are useful to develop anti-AD drugs. CONCLUSION There are several PPIs which are current topics of research including Drp1, Aβ interactions with various targets including PrPC, Fyn kinase, NMDAR and mGluR5 and interaction of Mint2 with PDZ domain, etc., and thus have potential role in neurodegeneration and AD. Finally, the multi-targeted approach in AD may be fruitful and opens a new vista for identification and targeting of PPIs in various cellular pathways to find a cure for the disease.
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Affiliation(s)
- Ankit Ganeshpurkar
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Rayala Swetha
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Devendra Kumar
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Gore P Gangaram
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Ravi Singh
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Gopichand Gutti
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Srabanti Jana
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Dileep Kumar
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Ashok Kumar
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Sushil K Singh
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
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Mondal P, Khan J, Gupta V, Ghosh S. In Silico Approach for Designing Potent Neuroprotective Hexapeptide. ACS Chem Neurosci 2019; 10:3018-3030. [PMID: 31117343 DOI: 10.1021/acschemneuro.9b00251] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease (AD) is a constantly recurring neurodegenerative disease that deteriorates over a period of time. In this pathology, connections between neurons become extremely damaged due to the deposition of senile plaques in the membrane region, which results in abnormal signal transduction processes. Also, the intracellular microtubule networks are disrupted in the hyperphosphorylated tau cascade of AD. Therefore, design and development of potent neuroprotective molecules that can instantaneously target multiple facets of AD pathogenesis are greatly needed to tackle this unmet medical need. Here, we have implemented a pharmacophore based in silico analysis of various neuroprotective peptides known for neurotherapeutic application in AD. Fascinatingly, we have identified an active core of these peptides and designed a library of hexapeptides. We observed that peptide "LETVNQ" (LE6) has shown significant protection ability against degeneration of neurons. Experimental evidence suggests that this peptide immensely reduced the aggregation rate of amyloid-β (Aβ) and helped in microtubule polymerization. Intriguingly, this newly designed peptide does not have any cytotoxicity toward differentiated PC12 neurons; rather it helps in neurite outgrowth. Further, LE6 helps to maintain the complex microtubule network in cells by promoting the polymerization rate of intracellular microtubules and mediates excellent protection of neurons even after removal of nerve growth factor (NGF). Finally, we observed that this LE6 peptide has substantial stability under physiological conditions and helps to retain healthy morphology of primary rat cortical neurons. This excellent piece of work identifies a potent hexapeptide, which has exceptional ability to protect neurons as well as microtubule from degeneration and may become potent therapeutics against AD pathogenesis in the future.
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Affiliation(s)
- Prasenjit Mondal
- Organic and Medicinal Chemistry Division and Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata, 700 032 WB, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Juhee Khan
- Organic and Medicinal Chemistry Division and Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata, 700 032 WB, India
| | - Varsha Gupta
- Organic and Medicinal Chemistry Division and Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata, 700 032 WB, India
| | - Surajit Ghosh
- Organic and Medicinal Chemistry Division and Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata, 700 032 WB, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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45
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Adak T, Schulmeister J, Dietl MC, Rudolph M, Rominger F, Hashmi ASK. Gold-Catalyzed Highly Chemo- and Regioselective C-H Bond Functionalization of Phenols with Haloalkynes. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900653] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Tapas Adak
- Organisch-Chemisches Institut; Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Jürgen Schulmeister
- Organisch-Chemisches Institut; Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Martin C. Dietl
- Organisch-Chemisches Institut; Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut; Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches Institut; Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut; Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Chemistry Department; Faculty of Science; King Abdulaziz University; 21589 Jeddah Saudi Arabia
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46
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Girek M, Szymański P. Phyto‐Tacrine Hybrids as Promising Drugs to Treat Alzheimer's Disease. ChemistrySelect 2019. [DOI: 10.1002/slct.201803672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Małgorzata Girek
- Department of Pharmaceutical ChemistryDrug Analyses and RadiopharmacyMedical University of Lodz 90-151 Lodz, ul. Muszynskiego 1 Poland
| | - Paweł Szymański
- Department of Pharmaceutical ChemistryDrug Analyses and RadiopharmacyMedical University of Lodz 90-151 Lodz, ul. Muszynskiego 1 Poland
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Mondal P, Das G, Khan J, Pradhan K, Mallesh R, Saha A, Jana B, Ghosh S. Potential Neuroprotective Peptide Emerged from Dual Neurotherapeutic Targets: A Fusion Approach for the Development of Anti-Alzheimer's Lead. ACS Chem Neurosci 2019; 10:2609-2620. [PMID: 30840820 DOI: 10.1021/acschemneuro.9b00115] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Amyloid-beta (Aβ) peptide misfolds into fibrillary aggregates (β-sheet) and is deposited as amyloid plaques in the cellular environment, which severely damages intraneuronal connections leading to Alzheimer's disease (AD) pathogenesis. Furthermore, neurons are rich in tubulin/microtubules, and the intracellular network of microtubules also gets disrupted by the accumulation of Aβ fiber in the brain. Hence, development of new potent molecules, which can simultaneously inhibit Aβ fibrillations and stabilize microtubules, is particularly needed for the efficient therapeutic application in AD. To address these issues, here we introduced an innovative fusion strategy to design and develop next generation anti-AD therapeutic leads. This unexplored fusion strategy entails design and development of a potent nonapeptide by taking into account both the hydrophobic core (17-21) of Aβ peptide and the taxol binding region of β-tubulin. In vitro results suggest that this newly designed peptide interacts at the taxol binding region of β-tubulin with a moderate binding affinity and promotes microtubule polymerization. It has the ability to bind at the hydrophobic core (17-21) of Aβ, responsible for its aggregation, and prevent amyloid fibril as well as plaque formation. In addition, it interacts at the CAS site (catalytic anionic site) of acetylcholinesterase (AChE) and significantly inhibits AChE induced Aβ fibrillation, stimulates neurite branching, and provides stability to intracellular microtubules and extensive protection of neurons against nerve growth factor (NGF) deprived neuron toxicity. Moreover, this newly designed peptide shows good stability in serum obtained from humans and efficiently permeates the blood-brain barrier (BBB) without showing any toxicity toward differentiated PC12 neurons as well as primary rat cortical neurons. This excellent feature of protecting the neurons by stabilizing the microtubules without showing any toxicity toward neurons will make this peptide a potent therapeutic agent of AD in the near future.
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Affiliation(s)
- Prasenjit Mondal
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology Campus, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Gaurav Das
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology Campus, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Juhee Khan
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Krishnangsu Pradhan
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Rathnam Mallesh
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
- National Institute of Pharmaceutical Education and Research, Kolkata, CSIR-Indian Institute of Chemical Biology Campus, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Abhijit Saha
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Batakrishna Jana
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
| | - Surajit Ghosh
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology Campus, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
- National Institute of Pharmaceutical Education and Research, Kolkata, CSIR-Indian Institute of Chemical Biology Campus, 4, Raja S. C. Mullick Road, Jadavpur, Kol-32, West Bengal, India
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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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Li Z, Wang Y, Li M, Zhang H, Guo H, Ya H, Yin J. Synthesis and properties of dithienylethene-functionalized switchable antibacterial agents. Org Biomol Chem 2019; 16:6988-6997. [PMID: 30229787 DOI: 10.1039/c8ob01824c] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Photopharmacology involving azobenzene has offered a viable alternative for combating bacterial resistance. However, the degradation and potential toxicity of azobenzene limit its further study in vivo. Therefore, searching for an appropriate photoswitch for further clinical application is highly desirable. Herein a series of dithienylethene-functionalized switchable antibacterial agents have been designed and prepared by the introduction of the dithienylethene scaffold into fluoroquinolones. And it was found that these switchable antibacterial agents displayed good photochromism and fluorescence switching behaviors upon irradiation with UV/Vis light in DMSO. Surprisingly, methoxy-substituted dithienylethenes 3a and 3b exhibited fluorescence turn-on behavior. Furthermore, it was found that all of the open-isomers showed partial antibacterial activity on E. coli and S. aureus compared with the native drugs. Apart from 2a and 2b, the other switchable antibacterial agents showed a large difference in antibacterial activity on Gram-negative E. coli between the open and closed forms, in which the antimicrobial activity of the ring-closed isomers for 1b and 3b was 16 times that of the corresponding ring-open isomers. DFT calculations showed that the ring-closed isomers of 1b and 3b presented a rigid "S-type" conformation, which may be conducive to forming more stable complexes with the DNA gyrase of E. coli.
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Affiliation(s)
- Ziyong Li
- Key Laboratory of Organic Functional Molecules, Luoyang City, College of Food and Drug, Luoyang Normal University, Luoyang 471934, P. R. China.
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Spinelli R, Aimaretti FM, López JA, Siano AS. Amphibian skin extracts as source of bioactive multi-target agents against different pathways of Alzheimer's disease. Nat Prod Res 2019; 35:686-689. [PMID: 30931620 DOI: 10.1080/14786419.2019.1591396] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Natural products represent a rich source of bioactive compounds that have been historically used to obtain substances with great medicinal potential. The skin of anuran amphibians is a rich source of compounds with a wide range of biological activity. Alzheimer's disease (AD) is a complex disease associated with all kind of different pathways, making their simultaneous modulation necessary. Nowadays anti-AD treatments are focused on enzymatic inhibitors. Here in we report the activity of skin extracts from nine species from Argentina, belonging to three anuran families, as inhibitors of AChE, BChE and MAO-B enzymes. The extracts also showed antioxidant activities, acting as multi-target on four important pathways of AD.
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Affiliation(s)
- Roque Spinelli
- Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Florencia María Aimaretti
- Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Javier Alejandro López
- CONICET-UNL, Instituto Nacional de Limnología, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Alvaro Sebastián Siano
- Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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