1
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Guo SL, Xiao YH, Pan BB, Su XC. Site-Specific Anchoring a Luminescent Tag in a Protein with Non-Emissive Iridium(III) Complex. Chembiochem 2024; 25:e202300798. [PMID: 38169080 DOI: 10.1002/cbic.202300798] [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: 11/24/2023] [Revised: 12/24/2023] [Accepted: 01/02/2024] [Indexed: 01/05/2024]
Abstract
Site-specific modification of proteins with synthetic fluorescent tag effectively improves the resolution of imaging, and such a labeling method with negligible three-dimensional structural perturbations and minimal impact on the biological functions of proteins is of high interest to dissect the high-resolution activities of biomolecules in complex systems. To this end, several non-emissive iridium(III) complexes [Ir(C-N)2 (H2 O)2 ]+ OTF- (C-N denotes various cyclometalated ligands) were designed and synthesized. These complexes were tested for attaching a protein by coordinating to H/X (HisMet, HisHis, and HisCys) that are separated by i and i+4 in α-helix. Replacement of the two labile water ligands in the iridium(III) complex by a protein HisHis pair increases the luminescent intensity up to over 100 folds. This labeling approach has been demonstrated in a highly specific and efficient manner in a number of proteins, and it is also feasible for labeling target proteins in cell lysates.
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Affiliation(s)
- Shu-Li Guo
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yu-Hao Xiao
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Bin-Bin Pan
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xun-Cheng Su
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
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2
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Arshad JZ, Tabassum S, Kiani MS, Arshad S, Hashmi MA, Majeed I, Ali H, Shah SSA. Anticancer Properties of Ru and Os Half-Sandwich Complexes of N,S Bidentate Schiff Base Ligands Derived from Phenylthiocarbamide. Chem Asian J 2023; 18:e202300804. [PMID: 37737043 DOI: 10.1002/asia.202300804] [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: 09/16/2023] [Accepted: 09/20/2023] [Indexed: 09/23/2023]
Abstract
The versatile coordinating nature of N,S bidentate ligands is of great importance in medicinal chemistry imparting stability and enhancing biological properties of the metal complexes. Phenylthiocarbamide-based N,S donor Schiff bases converted into RuII /OsII (cymene) complexes and characterized by spectroscopic techniques and elemental analysis. The hydrolytic stability of metal complexes to undergo metal-halide ligand exchange reaction was confirmed both by the DFT and NMR experimentation. The ONIOM (QM/MM) study confirmed the histone protein targeting nature of aqua/hydroxido complex 2 aH with an excellent binding energy of -103.19 kcal/mol. The antiproliferative activity against a panel of cancer cells A549, MCF-7, PC-3, and HepG2 revealed that ruthenium complexes 1 a-3 a were more cytotoxic than osmium complexes and their respective ligands 1-3 as well. Among these ruthenium cymene complex bearing sulfonamide moiety 2 a proved a strong cytotoxic agent and showed excellent correlation of cellular accumulation, lipophilicity, and drug-likeness to the anticancer activity. Moreover, the favorable physiochemical properties such as bioavailability and gastrointestinal absorption of ligand 2 also supported the development of Ru complex 2 a as an orally active anticancer metallodrug.
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Affiliation(s)
- Jahan Zaib Arshad
- Department of Chemistry, Government College, Women University Sialkot, Kutchehry Road, Sialkot, Pakistan
| | - Sana Tabassum
- Department of Chemistry, Government College, Women University Sialkot, Kutchehry Road, Sialkot, Pakistan
| | - Muhammad Shaheer Kiani
- Department of Chemistry, Division of Science & Technology, University of Education, 54770, Lahore, Pakistan
| | - Sundas Arshad
- Department of Chemistry, Government College, Women University Sialkot, Kutchehry Road, Sialkot, Pakistan
| | - Muhammad Ali Hashmi
- Department of Chemistry, Division of Science & Technology, University of Education, 54770, Lahore, Pakistan
| | - Imran Majeed
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Hassan Ali
- Department of Chemistry, School of Natural Sciences, National University of Science and Technology H-12 Islamabad, Islamabad, 44000, Pakistan
| | - Syed Shoaib Ahmad Shah
- Department of Chemistry, School of Natural Sciences, National University of Science and Technology H-12 Islamabad, Islamabad, 44000, Pakistan
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3
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Gao F, Chen J, Zhou Y, Cheng L, Hu M, Wang X. Recent progress of small-molecule-based theranostic agents in Alzheimer's disease. RSC Med Chem 2023; 14:2231-2245. [PMID: 37974955 PMCID: PMC10650505 DOI: 10.1039/d3md00330b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/11/2023] [Indexed: 11/19/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of neurodegenerative dementia. As a multifactorial disease, AD involves several etiopathogenic mechanisms, in which multiple pathological factors are interconnected with each other. This complicated and unclear pathogenesis makes AD lack effective diagnosis and treatment. Theranostics, exerting the synergistic effect of diagnostic and therapeutic functions, would provide a promising strategy for exploring AD pathogenesis and developing drugs for combating AD. With the efforts in small drug-like molecules for both diagnosis and treatment of AD, small-molecule-based theranostic agents have attracted significant attention owing to their facile synthesis, high biocompatibility and reproducibility, and easy clearance from the body through the excretion systems. In this review, the small-molecule-based theranostic agents reported in the literature for anti-AD are classified into four groups according to their diagnostic modalities. Their design rationales, chemical structures, and working mechanisms for theranostics are summarized. Finally, the opportunities for small-molecule-based theranostic agents in AD are also proposed.
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Affiliation(s)
- Furong Gao
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Jiefang Chen
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Yuancun Zhou
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Letong Cheng
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Ming Hu
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Xiaohui Wang
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
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4
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García-García A, Rojas S, Rodríguez-Diéguez A. Therapy and diagnosis of Alzheimer's disease: from discrete metal complexes to metal-organic frameworks. J Mater Chem B 2023; 11:7024-7040. [PMID: 37435638 DOI: 10.1039/d3tb00427a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder affecting 44 million people worldwide. Although many issues (pathogenesis, genetics, clinical features, and pathological aspects) are still unknown, this disease is characterized by noticeable hallmarks such as the formation of β-amyloid plaques, hyperphosphorylation of tau proteins, the overproduction of reactive oxygen species, and the reduction of acetylcholine levels. There is still no cure for AD and the current treatments are aimed at regulating the cholinesterase levels, attenuating symptoms temporarily rather than preventing the AD progression. In this context, coordination compounds are regarded as a promissing tool in AD treatment and/or diagnosis. Coordination compounds (discrete or polymeric) possess several features that make them an interesting option for developing new drugs for AD (good biocompatibility, porosity, synergetic effects of ligand-metal, fluorescence, particle size, homogeneity, monodispersity, etc.). This review discusses the recent progress in the development of novel discrete metal complexes and metal-organic frameworks (MOFs) for the treatment, diagnosis and theragnosis of AD. These advanced therapies for AD treatment are organized according to the target: Aβ peptides, hyperphosphorylated tau proteins, synaptic dysfunction, and mitochondrial failure with subsequent oxidative stress.
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Affiliation(s)
- Amalia García-García
- Department of Inorganic Chemistry, Faculty of Science, University of Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
- Centro de Química del Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, 18 sur & Av. San Claudio, Col. San Manuel, 72570 Puebla, Mexico
| | - Sara Rojas
- Department of Inorganic Chemistry, Faculty of Science, University of Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
| | - Antonio Rodríguez-Diéguez
- Department of Inorganic Chemistry, Faculty of Science, University of Granada, Av. Fuentenueva S/N, 18071 Granada, Spain.
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5
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Singh S, Navale GR, Agrawal S, Singh HK, Singla L, Sarkar D, Sarma M, Choudhury AR, Ghosh K. Design and synthesis of ruthenium complexes and their studies on the inhibition of amyloid β (1-42) peptide aggregation. Int J Biol Macromol 2023; 239:124197. [PMID: 36972817 DOI: 10.1016/j.ijbiomac.2023.124197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 03/07/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023]
Abstract
Misfolding and protein aggregation have been linked to numerous human neurodegenerative disorders such as Alzheimer's, prions, and Parkinson's. Due to their interesting photophysical properties, ruthenium (Ru) complexes have received considerable attention in studying protein aggregation. In this study, we synthesized the novel Ru complexes ([Ru(p-cymene)Cl(L-1)][PF6](Ru-1), and [Ru(p-cymene)Cl(L-2)][PF6](Ru-2)) and investigated their inhibitory activity against the bovine serum albumin (BSA) aggregation and the Aβ1-42 peptides amyloid formation. Several spectroscopic methods were used to characterize the complexes, and the molecular structure was determined by X-ray crystallography. Amyloid aggregation and inhibition activity were examined using the Thioflavin-T (ThT) assay, and secondary structures were analyzed by circular dichroism (CD) spectroscopy and transmission electron microscopy (TEM). The cell viability assay was carried out on the neuroblastoma cell line, revealing that the Ru-2 complex showed better protective effects against Aβ1-42 peptide toxicity on neuro-2a cells than the Ru-1 complex. Molecular docking studies elucidate binding sites and interactions between the Ru-complexes and the Aβ1-42 fibrils. The experimental studies revealed that these complexes significantly inhibited BSA aggregation and Aβ1-42 amyloid fibril formation at 1:3 and 1:1 equimolar concentrations, respectively. Antioxidant assays demonstrated that these complexes act as antioxidants, protecting from amyloid-induced oxidative stress. Molecular docking studies with the monomeric Aβ1-42 (PDB: 1IYT) show hydrophobic interaction, and both complexes bind preferably in the central region of the peptide and coordinate with two binding sites of the peptide. Hence, we suggest that the Ru-based complexes could be applied as a potential agent in metallopharmaceutical research against Alzheimer's disease.
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Affiliation(s)
- Sain Singh
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
| | - Govinda R Navale
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
| | - Sonia Agrawal
- Department of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
| | - Haobam Kisan Singh
- Department of Chemistry, Indian Institute of Technology, Guwahati 781039, India
| | - Labhini Singla
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohali, India
| | - Dhiman Sarkar
- Department of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
| | - Manabendra Sarma
- Department of Chemistry, Indian Institute of Technology, Guwahati 781039, India
| | - Anghuman Roy Choudhury
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohali, India
| | - Kaushik Ghosh
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India; Department of Biosciences and Bioengineering, Indian Institute of Technology, Roorkee 247667, India.
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6
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Kwak J, Woo J, Park S, Lim MH. Rational design of photoactivatable metal complexes to target and modulate amyloid-β peptides. J Inorg Biochem 2023; 238:112053. [PMID: 36347209 DOI: 10.1016/j.jinorgbio.2022.112053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/25/2022] [Accepted: 10/25/2022] [Indexed: 11/08/2022]
Abstract
The accumulation of amyloid-β (Aβ) aggregates is found in the brains of Alzheimer's disease patients. Thus, numerous efforts have been made to develop chemical reagents capable of targeting Aβ peptides and controlling their aggregation. In particular, tunable coordination and photophysical properties of transition metal complexes, with variable oxidation and spin states on the metal centers, can be utilized to probe Aβ aggregates and alter their aggregation profiles. In this review, we illustrate some rational strategies for designing photoactivatable metal complexes as chemical sensors for Aβ peptides or modulators against their aggregation pathways, with some examples.
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Affiliation(s)
- Jimin Kwak
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Junhyeok Woo
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Seongmin Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.
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7
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Zheng T, Huo Y, Wang Y, Du W. Regulation of oxaliplatin and carboplatin on the assembly behavior and cytotoxicity of human islet amyloid polypeptide. J Inorg Biochem 2022; 237:111989. [PMID: 36108345 DOI: 10.1016/j.jinorgbio.2022.111989] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 08/25/2022] [Accepted: 08/31/2022] [Indexed: 01/18/2023]
Abstract
Human islet amyloid polypeptide (hIAPP) is associated with the pathology of Type II diabetes (T2DM) due to its misfolding and amyloid deposition. The peptide is widely concerned as a potential drug target, and the prevention of hIAPP fibrillation is a rational therapeutic strategy for T2DM. Platinum complexes are promising anticancer agents with good biocompatibility, they can resist the aggregation of amyloid peptides, while the effects of oxaliplatin and carboplatin on hIAPP fibrillation are unknown. In the present work, we selected the two platinum drugs to reveal their inhibition and disaggregation against hIAPP fibrillation by various biophysical methods. The two complexes impeded hIAPP fibril formation and dispersed the aggregates into small oligomers and most monomers. They also reduced peptides oligomerization and promoted rat insulinoma β-cells viability. They bound to hIAPP mainly through metal coordination and hydrophobic interactions. Moreover, oxaliplatin showed better inhibition and regulation on peptides aggregation and cytotoxicity than carboplatin. This work is of important biomedical values for clinical platinum drugs against T2DM and other amyloidosis related diseases.
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Affiliation(s)
- Ting Zheng
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Yan Huo
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Yanan Wang
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Weihong Du
- Department of Chemistry, Renmin University of China, Beijing 100872, China.
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8
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Hong M, Kim M, Yoon J, Lee SH, Baik MH, Lim MH. Excited-State Intramolecular Hydrogen Transfer of Compact Molecules Controls Amyloid Aggregation Profiles. JACS AU 2022; 2:2001-2012. [PMID: 36186552 PMCID: PMC9516708 DOI: 10.1021/jacsau.2c00281] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/11/2022] [Accepted: 07/27/2022] [Indexed: 06/16/2023]
Abstract
Developing chemical methodologies to directly modify harmful biomolecules affords the mitigation of their toxicity by persistent changes in their properties and structures. Here we report compact photosensitizers composed of the anthraquinone (AQ) backbone that undergo excited-state intramolecular hydrogen transfer, effectively oxidize amyloidogenic peptides, and, subsequently, alter their aggregation pathways. Density functional theory calculations showed that the appropriate position of the hydroxyl groups in the AQ backbone and the consequent intramolecular hydrogen transfer can facilitate the energy transfer to triplet oxygen. Biochemical and biophysical investigations confirmed that these photoactive chemical reagents can oxidatively vary both metal-free amyloid-β (Aβ) and metal-bound Aβ, thereby redirecting their on-pathway aggregation into off-pathway as well as disassembling their preformed aggregates. Moreover, the in vivo histochemical analysis of Aβ species produced upon photoactivation of the most promising candidate demonstrated that they do not aggregate into oligomeric or fibrillar aggregates in the brain. Overall, our combined computational and experimental studies validate a light-based approach for designing small molecules, with minimum structural complexity, as chemical reagents targeting and controlling amyloidogenic peptides associated with neurodegenerative disorders.
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Affiliation(s)
- Mannkyu Hong
- Department
of Chemistry, Korea Advanced Institute of
Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center
for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic
of Korea
| | - Mingeun Kim
- Department
of Chemistry, Korea Advanced Institute of
Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Jiwon Yoon
- Department
of Biological Sciences, Korea Advanced Institute
of Science and Technology (KAIST), Daejeon 34141, Republic
of Korea
| | - Seung-Hee Lee
- Department
of Biological Sciences, Korea Advanced Institute
of Science and Technology (KAIST), Daejeon 34141, Republic
of Korea
| | - Mu-Hyun Baik
- Department
of Chemistry, Korea Advanced Institute of
Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center
for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic
of Korea
| | - Mi Hee Lim
- Department
of Chemistry, Korea Advanced Institute of
Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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9
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Guin PS, Roy S. Recently Reported Ru-Metal Organic Coordination Complexes and Their Application (A Review). RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222080242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Meiss CJ, Bothwell PJ, Webb MI. Ruthenium(II)–arene complexes with chelating quinoline ligands as anti-amyloid agents. CAN J CHEM 2022. [DOI: 10.1139/cjc-2021-0180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Recent recognition of the soluble form of the amyloid-beta (Aβ) peptide as a neurotoxic agent in Alzheimer’s disease (AD) has spurred the development of agents to target this species. Because Aβ is known to chelate metal ions in solution, metal-based therapeutics are uniquely suited to exploit this affinity, where coordination to Aβ has been shown to impact the neurotoxicity of the peptide. Ruthenium(II)–arene complexes are unique candidates for evaluation, as one face of the molecule is blocked by the hydrophobic arene ring, while coordination to the Aβ peptide can occur on the other side of the molecule. We have prepared and evaluated two Ru(II)–arene complexes with chelating quinoline-based ligands, Ru1 and Ru2, for their respective anti-amyloid abilities. Although both complexes decreased the aggregation of soluble Aβ, Ru1 displayed promise in disrupting formed aggregates of the peptide. These findings represent an exciting new avenue for therapeutic development in AD, where both sides of the aggregation equilibrium are affected.
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Affiliation(s)
- Cade J. Meiss
- Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA
| | - Paige J. Bothwell
- Core Microscope Facility, Department of Biological Sciences, Northern Illinois University, DeKalb, IL 60115, USA
| | - Michael I. Webb
- Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA
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11
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Jiang B, Martí AA. Probing Amyloid Nanostructures Using Photoluminescent Metal Complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
Affiliation(s)
- Bo Jiang
- Department of Chemistry Rice University 6100 Main St, Chemistry MS60 Houston Texas 77005 United States
| | - Angel A. Martí
- Department of Chemistry Department of Bioengineering, and Department of Material Science & NanoEngineering Rice University 6100 Main St, Chemistry MS60 Houston Texas 77005 United States
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12
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Destabilization of the Alzheimer's amyloid-β peptide by a proline-rich β-sheet breaker peptide: a molecular dynamics simulation study. J Mol Model 2021; 27:356. [PMID: 34796404 DOI: 10.1007/s00894-021-04968-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 10/25/2021] [Indexed: 11/27/2022]
Abstract
The amyloid-β peptide exists in the form of fibrils in the plaques found in the brains of patients with Alzheimer's disease. One of the therapeutic strategies is the design of molecules which can destabilize these fibrils. We present a designed peptide KLVFFP5 with two segments: the self-recognition sequence KLVFF and a β-sheet breaker proline pentamer. Molecular dynamics simulations and docking results showed that this peptide could bind to the protofibrils and destabilize them by establishing hydrophobic contacts and hydrogen bonds with a higher affinity than the KLVFF peptide. In the presence of the KLVFFP5 peptide, the β-sheet content of the protofibrils was reduced significantly; the hydrogen bonding network and the salt bridges were disrupted to a greater extent than the KLVFF peptide. Our results indicate that the KLVFFP5 peptide is an effective β-sheet disruptor which can be considered in the therapy of Alzheimer's disease.
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13
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Han J, Du Z, Lim MH. Mechanistic Insight into the Design of Chemical Tools to Control Multiple Pathogenic Features in Alzheimer's Disease. Acc Chem Res 2021; 54:3930-3940. [PMID: 34606227 DOI: 10.1021/acs.accounts.1c00457] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia and is characterized by memory loss and cognitive decline. Approximately 50 million people worldwide are suffering from AD and related dementias. Very recently, the first new drug targeting amyloid-β (Aβ) aggregates has been approved by the United States Food and Drug Administration, but its efficacy against AD is still debatable. Other available treatments temporarily relieve the symptoms of AD. The difficulty in discovering effective therapeutics for AD originates from its complicated nature, which results from the interrelated pathogenic pathways led by multiple factors. Therefore, to develop potent disease-modifying drugs, multiple pathological features found in AD should be fully elucidated.Our laboratory has been designing small molecules as chemical tools to investigate the individual and interrelated pathologies triggered by four pathogenic elements found in the AD-affected brain: metal-free Aβ, metal-bound Aβ, reactive oxygen species (ROS), and acetylcholinesterase (AChE). Aβ peptides are partially folded and aggregate into oligomers, protofibrils, and fibrils. Aβ aggregates are considered to be neurotoxic, causing membrane disruption, aberrant cellular signaling, and organelle dysfunction. In addition, highly concentrated metal ions accumulate in senile plaques mainly composed of Aβ aggregates, which indicates that metal ions can directly interact with Aβ. Metal binding to Aβ affects the aggregation and conformation of the peptide. Moreover, the impaired homeostasis of redox-active Fe(II/III) and Cu(I/II) induces the overproduction of ROS through Fenton chemistry and Fenton-like reactions, respectively. Dysregulated ROS prompt oxidative-stress-damaging biological components such as lipids, proteins, and nucleic acids and, consequently, lead to neuronal death. Finally, the loss of cholinergic transmission mediated by the neurotransmitter acetylcholine (ACh) contributes to cognitive deficits observed in AD.In this Account, we illustrate the design principles for small-molecule-based chemical tools with reactivities against metal-free Aβ, metal-bound Aβ, ROS, and AChE. More importantly, mechanistic details at the molecular level are highlighted with some examples of chemical tools that were developed by our group. The aggregation of metal-free Aβ can be modulated by modifying amino acid residues responsible for self-assembling Aβ or disassembling preformed fibrils. To alter the aggregation and cytotoxicity profiles of metal-bound Aβ, ternary complexation, metal chelation, and modifications onto metal-binding residues can be effective tactics. The presence and production of ROS are able to be controlled by small molecules with antioxidant and metal-binding properties. Finally, inhibiting substrate access or substrate binding at the active site of AChE can diminish its activity, which restores the levels of ACh. Overall, our rational approaches demonstrate the feasibility of developing small molecules as chemical tools that can target and modulate multiple pathological factors associated with AD and can be useful for gaining a greater understanding of the multifaceted pathology of the disease.
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Affiliation(s)
- Jiyeon Han
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Zhi Du
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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14
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Loreto D, Merlino A. The interaction of rhodium compounds with proteins: A structural overview. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213999] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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Wall BJ, Will MF, Yawson GK, Bothwell PJ, Platt DC, Apuzzo CF, Jones MA, Ferrence GM, Webb MI. Importance of Hydrogen Bonding: Structure-Activity Relationships of Ruthenium(III) Complexes with Pyridine-Based Ligands for Alzheimer's Disease Therapy. J Med Chem 2021; 64:10124-10138. [PMID: 34197109 DOI: 10.1021/acs.jmedchem.1c00360] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia, where one of the pathological hallmarks of AD is extracellular protein deposits, the primary component of which is the peptide amyloid-β (Aβ). Recently, the soluble form of Aβ has been recognized as the primary neurotoxic species, making it an important target for therapeutic development. Metal-based drugs are promising candidates to target Aβ, as the interactions with the peptide can be tuned by ligand design. In the current study, 11 ruthenium complexes containing pyridine-based ligands were prepared, where the functional groups at the para position on the coordinated pyridine ligand were varied to determine structure-activity relationships. Overall, the complexes with terminal primary amines had the greatest impact on modulating the aggregation of Aβ and diminishing its cytotoxicity. These results identify the importance of specific intermolecular interactions and are critical in the advancement of metal-based drugs for AD therapy.
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Affiliation(s)
- Brendan J Wall
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Mark F Will
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Gideon K Yawson
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Paige J Bothwell
- Core Microscope Facility, Department of Biological Sciences, Northern Illinois University, DeKalb, Illinois 60115, United States
| | - David C Platt
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - C Fiore Apuzzo
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Marjorie A Jones
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Gregory M Ferrence
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Michael I Webb
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
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16
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Chen Z, Kacmaz A, Xiao J. Recent Development in the Synthesis and Catalytic Application of Iridacycles. CHEM REC 2021; 21:1506-1534. [PMID: 33939250 DOI: 10.1002/tcr.202100051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022]
Abstract
Cyclometallated complexes are well-known and have found many applications. This article provides a short review on the progress made in the synthesis and application to catalysis of cyclometallated half-sandwich Cp*Ir(III) complexes (Cp*: pentamethylcyclopentadienyl) since 2017. Covered in the review are iridacycles featuring conventional C,N chelates and less common metallocene and carbene-derived C,N and C,C ligands. This is followed by an overview of the studies of their applications in catalysis ranging from asymmetric hydrogenation, transfer hydrogenation, hydrosilylation to dehydrogenation.
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Affiliation(s)
- Zhenyu Chen
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Aysecik Kacmaz
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK.,Department of Chemistry, Faculty of Engineering, Istanbul University - Cerrahpasa, Avcilar, Istanbul, 34320, Turkey
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
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17
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Nandi PG, Jadi PK, Das K, Prathapa SJ, Mandal BB, Kumar A. Synthesis of NNN Chiral Ruthenium Complexes and Their Cytotoxicity Studies. Inorg Chem 2021; 60:7422-7432. [PMID: 33909427 DOI: 10.1021/acs.inorgchem.1c00698] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The synthesis and characterization of chiral pincer-ruthenium complexes of the type (R2NNN)RuCl2 (PPh3) (R = 3-methylbutyl and 3,3-dimethylbutyl) is reported here. The cytotoxicity studies of these complexes were studied and compared with the corresponding activity of achiral complexes. The cytotoxic effect of pincer-ruthenium complexes on human dermal fibroblasts and human tongue carcinoma cells assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay displayed an inhibition of normal and cancer cell growth in a dose-dependent manner. Intracellular reactive oxygen species (ROS) level measurement, lactate dehydrogenase assay, DNA fragmentation, and necrosis studies revealed that treatment with pincer-ruthenium complexes induced a redox imbalance in SAS cells by upregulating ROS generation and caused necrotic cell death by disrupting the cellular membrane integrity.
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Affiliation(s)
- Pran Gobinda Nandi
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Praveen Kumar Jadi
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences & Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Kanu Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | | | - Biman B Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences & Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.,Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.,Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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18
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Bataglioli JC, Gomes LMF, Maunoir C, Smith JR, Cole HD, McCain J, Sainuddin T, Cameron CG, McFarland SA, Storr T. Modification of amyloid-beta peptide aggregation via photoactivation of strained Ru(ii) polypyridyl complexes. Chem Sci 2021; 12:7510-7520. [PMID: 34163842 PMCID: PMC8171320 DOI: 10.1039/d1sc00004g] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 04/19/2021] [Indexed: 01/01/2023] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disorder characterized by progressive and irreversible damage to the brain. One of the hallmarks of the disease is the presence of both soluble and insoluble aggregates of the amyloid beta (Aβ) peptide in the brain, and these aggregates are considered central to disease progression. Thus, the development of small molecules capable of modulating Aβ peptide aggregation may provide critical insight into the pathophysiology of AD. In this work we investigate how photoactivation of three distorted Ru(ii) polypyridyl complexes (Ru1-3) alters the aggregation profile of the Aβ peptide. Photoactivation of Ru1-3 results in the loss of a 6,6'-dimethyl-2,2'-bipyridyl (6,6'-dmb) ligand, affording cis-exchangeable coordination sites for binding to the Aβ peptide. Both Ru1 and Ru2 contain an extended planar imidazo[4,5-f][1,10]phenanthroline ligand, as compared to a 2,2'-bipyridine ligand for Ru3, and we show that the presence of the phenanthroline ligand promotes covalent binding to Aβ peptide His residues, and in addition, leads to a pronounced effect on peptide aggregation immediately after photoactivation. Interestingly, all three complexes resulted in a similar aggregate size distribution at 24 h, forming insoluble amorphous aggregates as compared to significant fibril formation for peptide alone. Photoactivation of Ru1-3 in the presence of pre-formed Aβ1-42 fibrils results in a change to amorphous aggregate morphology, with Ru1 and Ru2 forming large amorphous aggregates immediately after activation. Our results show that photoactivation of Ru1-3 in the presence of either monomeric or fibrillar Aβ1-42 results in the formation of large amorphous aggregates as a common endpoint, with Ru complexes incorporating the extended phenanthroline ligand accelerating this process and thereby limiting the formation of oligomeric species in the initial stages of the aggregation process that are reported to show considerable toxicity.
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Affiliation(s)
| | - Luiza M F Gomes
- Department of Chemistry, Simon Fraser University BC Canada V5A-1S6
| | - Camille Maunoir
- Department of Chemistry, Simon Fraser University BC Canada V5A-1S6
| | - Jason R Smith
- Department of Chemistry, Simon Fraser University BC Canada V5A-1S6
| | - Houston D Cole
- Department of Chemistry and Biochemistry, University of Texas Arlington Texas USA 76019
| | - Julia McCain
- Department of Chemistry, Acadia University Wolfville Nova Scotia Canada B4P 2R6
| | - Tariq Sainuddin
- Department of Chemistry, Acadia University Wolfville Nova Scotia Canada B4P 2R6
| | - Colin G Cameron
- Department of Chemistry and Biochemistry, University of Texas Arlington Texas USA 76019
| | - Sherri A McFarland
- Department of Chemistry and Biochemistry, University of Texas Arlington Texas USA 76019
| | - Tim Storr
- Department of Chemistry, Simon Fraser University BC Canada V5A-1S6
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19
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Kanchi PK, Dasmahapatra AK. Enhancing the binding of the β-sheet breaker peptide LPFFD to the amyloid-β fibrils by aromatic modifications: A molecular dynamics simulation study. Comput Biol Chem 2021; 92:107471. [PMID: 33706107 DOI: 10.1016/j.compbiolchem.2021.107471] [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: 10/28/2020] [Revised: 02/25/2021] [Accepted: 02/27/2021] [Indexed: 11/25/2022]
Abstract
Alzheimer's is a fatal neurodegenerative disease for which there is no cure at present. The disease is characterized by the presence of plaques in the brains of a patient, which are composed mainly of aggregates of the amyloid-β peptide in the form of β-sheet fibrils. Here, we investigated the possibility of exploiting the superior binding ability of aromatic amino acids to a particular model of the amyloid-β fibrils. which is a difficult target for drug design. The β-sheet breaker peptide LPFFD was modified with aromatic amino acids and its binding to these fibrils was studied. We found that the orientation and the electrostatic complementarity of the modified peptide with respect to the fibrils played a crucial role in determining whether its binding was improved by the aromatic amino acids. The modified LPFFD peptides were able to bind to those fibril residues. which are important in the aggregation of amyloid-β peptides and thus can potentially inhibit the further aggregation of the amyloid-beta peptides by blocking their interactions. We found that the tryptophan modified LPFFD peptides had the best binding affinities. In most cases, the aromatic amino acids in the N-terminus of the modified peptides made more contacts with the fibrils than those in the C-terminus. We also found that increasing the aromatic content did not significantly improve the binding of the LPFFD peptide to the fibrils. Our study can serve as a basis for the design of novel peptide-based drugs for Alzheimer's disease in which aromatic interactions play an important role.
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Affiliation(s)
- Pavan Krishna Kanchi
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Ashok Kumar Dasmahapatra
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India; Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India.
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20
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Zhang Y, Ding C, Li C, Wang X. Advances in fluorescent probes for detection and imaging of amyloid-β peptides in Alzheimer's disease. Adv Clin Chem 2021; 103:135-190. [PMID: 34229849 DOI: 10.1016/bs.acc.2020.08.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Amyloid plaques generated from the accumulation of amyloid-β peptides (Aβ) fibrils in the brain is one of the main hallmarks of Alzheimer's disease (AD), a most common neurodegenerative disorder. Aβ aggregation can produce neurotoxic oligomers and fibrils, which has been widely accepted as the causative factor in AD pathogenesis. Accordingly, both soluble oligomers and insoluble fibrils have been considered as diagnostic biomarkers for AD. Among the existing analytical methods, fluorometry using fluorescent probes has exhibited promising potential in quantitative detection and imaging of both soluble and insoluble Aβ species, providing a valuable approach for the diagnosis and drug development of AD. In this review, the most recent advances in the fluorescent probes for soluble or insoluble Aβ aggregates are discussed in terms of design strategy, probing mechanism, and potential applications. In the end, future research directions of fluorescent probes for Aβ species are also proposed.
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Affiliation(s)
- Yunhua Zhang
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, PR China
| | - Cen Ding
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, PR China
| | - Changhong Li
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, PR China
| | - Xiaohui Wang
- College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, PR China; State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, PR China.
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21
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Babu E, Bhuvaneswari J, Rajakumar K, Sathish V, Thanasekaran P. Non-conventional photoactive transition metal complexes that mediated sensing and inhibition of amyloidogenic aggregates. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213612] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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22
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Curcumin ligand based iridium(III) complexes as inhibition and visualization agent of beta-amyloid fibrillation. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105721] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
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23
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Cai J, Yi P, Miao Y, Liu J, Hu Y, Liu Q, Feng Y, Chen H, Li L. Ultrasmall T1- T2 Magnetic Resonance Multimodal Imaging Nanoprobes for the Detection of β-amyloid Aggregates in Alzheimer's Disease Mice. ACS APPLIED MATERIALS & INTERFACES 2020; 12:26812-26821. [PMID: 32427456 DOI: 10.1021/acsami.0c01597] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Alzheimer's disease (AD) is an irreversible brain disorder and imposes a severe burden upon patients and the public health system. Most research efforts have focused on the search for effective therapeutic drugs, but it is time to pursue efficient early diagnosis based on the reasonable assumption that AD may be easier to prevent than reverse. Recent studies have shown that there are several probes for detecting amyloid-β (Aβ) plaques, one of the neuropathological hallmarks found in AD brain. However, it is still a great challenge for nonradioactive, sensitive detection and location of Aβ plaques by brain imaging with high spatial resolution. Herein, phenothiazine derivative (PZD)-conjugated sub-5 nm ultrasmall ferrite nanoprobes (UFNPs@PEG/PZD) are designed and prepared for efficient T1-T2 magnetic resonance multimodal imaging of Aβ plaques. UFNPs@PEG/PZD not only possess high binding affinity to Aβ plaques but also exhibit excellent properties of r1 and r2 relaxivities. This study thus provides a promising ultrasmall nanoplatform as an Aβ-targeting multimodal imaging probe for the application of early diagnosis of AD.
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Affiliation(s)
- Jing Cai
- Imaging Diagnosis and Interventional Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 510060 Guangzhou, China
- CNRS, UMR8601, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, CBNIT, Université Paris Descartes, PRES Sorbonne Paris Cité, UFR, Biomédicale, 75006 Paris, France
| | - Peiwei Yi
- School of Biomedical Engineering, Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, 510515 Guangzhou, China
- CNRS, UMR8601, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, CBNIT, Université Paris Descartes, PRES Sorbonne Paris Cité, UFR, Biomédicale, 75006 Paris, France
| | - Yuqing Miao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 710072 Xi'an, China
| | - Jinbo Liu
- Imaging Diagnosis and Interventional Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 510060 Guangzhou, China
| | - Yaofang Hu
- Department of Oncology, The Air Force Hospital of Southern Theater Command, 510000 Guangzhou, China
| | - Qicai Liu
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, 510515 Guangzhou, China
| | - Yanqiu Feng
- School of Biomedical Engineering, Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, 510515 Guangzhou, China
- CNRS, UMR8601, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, CBNIT, Université Paris Descartes, PRES Sorbonne Paris Cité, UFR, Biomédicale, 75006 Paris, France
| | - Huixiong Chen
- CNRS, UMR8601, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, CBNIT, Université Paris Descartes, PRES Sorbonne Paris Cité, UFR, Biomédicale, 75006 Paris, France
| | - Li Li
- Imaging Diagnosis and Interventional Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 510060 Guangzhou, China
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24
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Metal complexes that bind to the amyloid-β peptide of relevance to Alzheimer’s disease. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213255
expr 886172045 + 931245952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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25
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Gomes LM, Bataglioli JC, Storr T. Metal complexes that bind to the amyloid-β peptide of relevance to Alzheimer’s disease. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213255] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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26
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Pandey G, Morla S, Kumar S, Ramakrishnan V. Modulating Aβ Fibrillogenesis with 'Trojan' peptides. Neuropeptides 2020; 81:102030. [PMID: 32156470 DOI: 10.1016/j.npep.2020.102030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/29/2020] [Accepted: 02/16/2020] [Indexed: 11/23/2022]
Abstract
Abnormal aggregation of beta-amyloid (Aβ) peptide into amyloid plaques in the brain has been identified as one of the key factors in instigating AD pathogenesis. Inhibition of Aβ aggregation can be an important therapeutic strategy in disease management. In this work, we demonstrate the application of structure-based design of short peptides ('trojan peptides'), intended to intervene in the aggregation of the core recognition domain of amyloid-beta peptide, a known malefactor in Alzheimer's disease. The modulatory effect of trojan peptides has been assessed using ThT fluorescence assay, FETEM imaging, IR, and toxicity assays on model neuronal cell lines. Experimental results suggest that designed trojan peptides could impede the aggregation of the core amyloid fibril forming segment of Aβ peptide, arrest the formation of toxic fibrillar assemblies, and reduce cytotoxicity of the neuronal cell lines.
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Affiliation(s)
- Gaurav Pandey
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, -781039, India
| | - Sudhir Morla
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, -781039, India
| | - Sachin Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, -781039, India
| | - Vibin Ramakrishnan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, -781039, India.
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27
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Matesanz AI, Caballero AB, Lorenzo C, Espargaró A, Sabaté R, Quiroga AG, Gamez P. Thiosemicarbazone Derivatives as Inhibitors of Amyloid-β Aggregation: Effect of Metal Coordination. Inorg Chem 2020; 59:6978-6987. [DOI: 10.1021/acs.inorgchem.0c00467] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ana I. Matesanz
- Department of Inorganic Chemistry (M-07), School of Sciences, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Ana B. Caballero
- nanoBIC, Departament de Química Inorgànica i Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès, 1-11, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
| | - Carmen Lorenzo
- Department of Inorganic Chemistry (M-07), School of Sciences, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Alba Espargaró
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
- Departament de Fisicoquímica, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, Avda. Joan XXIII 27-31, 08028 Barcelona, Spain
| | - Raimon Sabaté
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
- Departament de Fisicoquímica, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, Avda. Joan XXIII 27-31, 08028 Barcelona, Spain
| | - Adoración G. Quiroga
- Department of Inorganic Chemistry (M-07), School of Sciences, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - Patrick Gamez
- nanoBIC, Departament de Química Inorgànica i Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès, 1-11, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
- Catalan Institution for Research and Advanced Studies, Passeig Lluís Companys 23, 08010 Barcelona, Spain
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28
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Arora H, Ramesh M, Rajasekhar K, Govindaraju T. Molecular Tools to Detect Alloforms of Aβ and Tau: Implications for Multiplexing and Multimodal Diagnosis of Alzheimer’s Disease. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20190356] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Harshit Arora
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bengaluru 560064, Karnataka, India
| | - Madhu Ramesh
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bengaluru 560064, Karnataka, India
| | - Kolla Rajasekhar
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bengaluru 560064, Karnataka, India
| | - Thimmaiah Govindaraju
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bengaluru 560064, Karnataka, India
- VNIR Biotechnologies Pvt. Ltd., Bangalore Bioinnovation Center, Helix Biotech Park, Electronic City Phase I, Bengaluru 560100, Karnataka, India
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29
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Ma DL, Wu C, Li G, Yung TL, Leung CH. Transition metal complexes as imaging or therapeutic agents for neurodegenerative diseases. J Mater Chem B 2020; 8:4715-4725. [DOI: 10.1039/c9tb02669j] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Neurodegenerative diseases are the result of neurodegeneration, which is the process of losing neuronal functions gradually due to the irreversible damage and death of neurons. Metal complexes have attracted intense interest over recent decades as probes or inhibitors of biomolecules.
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Affiliation(s)
- Dik-Lung Ma
- Department of Chemistry
- Faculty of Science
- Hong Kong Baptist University
- Kowloon
- China
| | - Chun Wu
- Department of Chemistry
- Faculty of Science
- Hong Kong Baptist University
- Kowloon
- China
| | - Guodong Li
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
| | - Tsan-Ling Yung
- Department of Chemistry
- Faculty of Science
- Hong Kong Baptist University
- Kowloon
- China
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
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30
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Sedgwick AC, Brewster JT, Harvey P, Iovan DA, Smith G, He XP, Tian H, Sessler JL, James TD. Metal-based imaging agents: progress towards interrogating neurodegenerative disease. Chem Soc Rev 2020; 49:2886-2915. [DOI: 10.1039/c8cs00986d] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Transition metals and lanthanide ions display unique properties that enable the development of non-invasive diagnostic tools for imaging. In this review, we highlight various metal-based imaging strategies used to interrogate neurodegeneration.
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Affiliation(s)
- Adam C. Sedgwick
- Department of Chemistry
- The University of Texas at Austin
- Austin
- USA
| | | | - Peter Harvey
- Department of Biological Engineering
- Massachusetts Institute of Technology
- Cambridge
- USA
- Sir Peter Mansfield Imaging Centre
| | - Diana A. Iovan
- Department of Chemistry
- University of California
- Berkeley
- USA
| | - Graham Smith
- Division of Radiotherapy & Imaging
- Institute of Cancer Research
- London
- UK
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - He Tian
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
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31
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Aliyan A, Cook NP, Martí AA. Interrogating Amyloid Aggregates using Fluorescent Probes. Chem Rev 2019; 119:11819-11856. [DOI: 10.1021/acs.chemrev.9b00404] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Amir Aliyan
- Pasargad Institute for Advanced Innovative Solutions (PIAIS), Tehran, Iran 1991633361
- Khatam University, Tehran, Iran 1991633356
| | - Nathan P. Cook
- Department of Chemistry, Williams College, Williamstown, Massachusetts 01267, United States
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32
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Martin SC, Ball ZT. Aminoquinoline-Rhodium(II) Conjugates as Src-Family SH3 Ligands. ACS Med Chem Lett 2019; 10:1380-1385. [PMID: 31620222 DOI: 10.1021/acsmedchemlett.9b00309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 09/09/2019] [Indexed: 11/28/2022] Open
Abstract
High-affinity, selective ligands are sought for a variety of biomolecules but are particularly difficult to generate in the protein-protein interaction space. Rhodium(II) conjugates provide a structure-based approach to improved affinity and specificity for targeting protein-protein interactions such as SH3 domains. In this study of small-molecule-rhodium conjugates, we report a potent ligand 4b (K d of 27 nM) for the Lyn SH3 domain, based on an aminoquinoline fragment. The results demonstrate robust affinity gains possible from even modest small-molecule leads through cooperative inorganic-organic binding, based on specific histidine interactions. A docking study sheds light on the structural basis of binding and supports a previously proposed binding model.
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Affiliation(s)
- Samuel C. Martin
- Department of Chemistry, Rice University, Houston, Texas 77005, United States
| | - Zachary T. Ball
- Department of Chemistry, Rice University, Houston, Texas 77005, United States
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33
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Iscen A, Brue CR, Roberts KF, Kim J, Schatz GC, Meade TJ. Inhibition of Amyloid-β Aggregation by Cobalt(III) Schiff Base Complexes: A Computational and Experimental Approach. J Am Chem Soc 2019; 141:16685-16695. [DOI: 10.1021/jacs.9b06388] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Aysenur Iscen
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Christopher R. Brue
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Kaleigh F. Roberts
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Joy Kim
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - George C. Schatz
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Thomas J. Meade
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
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Yang GJ, Liu H, Ma DL, Leung CH. Rebalancing metal dyshomeostasis for Alzheimer's disease therapy. J Biol Inorg Chem 2019; 24:1159-1170. [PMID: 31486954 DOI: 10.1007/s00775-019-01712-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 07/29/2019] [Indexed: 12/26/2022]
Abstract
Alzheimer's disease (AD) is a type of neurodegenerative malady that is associated with the accumulation of amyloid plaques. Metal ions are critical for the development and upkeep of brain activity, but metal dyshomeostasis can contribute to the development of neurodegenerative diseases, including AD. This review highlights the association between metal dyshomeostasis and AD pathology, the feasibility of rebalancing metal homeostasis as a therapeutic strategy for AD, and a survey of current drugs that action via rebalancing metal homeostasis. Finally, we discuss the challenges that should be overcome by researchers in the future to enable the practical use of metal homeostasis rebalancing agents for clinical application.
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Affiliation(s)
- Guan-Jun Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, 999078, Macau SAR, China
| | - Hao Liu
- Department of Chemistry, Hong Kong Baptist University, Kowloon, 999077, Hong Kong SAR, China
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon, 999077, Hong Kong SAR, China.
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, 999078, Macau SAR, China.
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35
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Ge X, Liu X, Tian Z, Chen S, Liu X, Guo L, Gong P, Ling B, Yuan X, Liu Z. Half‐sandwich Ruthenium (II) complexes with triphenylamine modified dipyridine skeleton and application in biology/luminescence imaging. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5171] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Xingxing Ge
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Xicheng Liu
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Zhenzhen Tian
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Shujiao Chen
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Xinyu Liu
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Lihua Guo
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Peiwei Gong
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Baoping Ling
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Xiang‐Ai Yuan
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
| | - Zhe Liu
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life‐Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, School of Chemistry and Chemical EngineeringQufu Normal University Qufu 273165 China
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36
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Nam G, Ji Y, Lee HJ, Kang J, Yi Y, Kim M, Lin Y, Lee YH, Lim MH. Orobol: An Isoflavone Exhibiting Regulatory Multifunctionality against Four Pathological Features of Alzheimer's Disease. ACS Chem Neurosci 2019; 10:3386-3390. [PMID: 31199606 DOI: 10.1021/acschemneuro.9b00232] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
We report orobol as a multifunctional isoflavone with the ability to (i) modulate the aggregation pathways of both metal-free and metal-bound amyloid-β, (ii) interact with metal ions, (iii) scavenge free radicals, and (iv) inhibit the activity of acetylcholinesterase. Such a framework with multifunctionality could be useful for developing chemical reagents to advance our understanding of multifaceted pathologies of neurodegenerative disorders, including Alzheimer's disease.
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Affiliation(s)
- Geewoo Nam
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Yonghwan Ji
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Hyuck Jin Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Department of Chemistry Education, Kongju National University, Gongju 32588, Republic of Korea
| | - Juhye Kang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Yelim Yi
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Mingeun Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Yuxi Lin
- Protein Structure Research Group, Korea Basic Science Institute (KBSI), Chungbuk 28119, Republic of Korea
| | - Young-Ho Lee
- Protein Structure Research Group, Korea Basic Science Institute (KBSI), Chungbuk 28119, Republic of Korea
- Bio-Analytical Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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37
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Kang J, Nam JS, Lee HJ, Nam G, Rhee HW, Kwon TH, Lim MH. Chemical strategies to modify amyloidogenic peptides using iridium(iii) complexes: coordination and photo-induced oxidation. Chem Sci 2019; 10:6855-6862. [PMID: 31391908 PMCID: PMC6657414 DOI: 10.1039/c9sc00931k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Accepted: 06/03/2019] [Indexed: 12/20/2022] Open
Abstract
Effective chemical strategies, i.e., coordination and coordination-/photo-mediated oxidation, are rationally developed towards modification of amyloidogenic peptides and subsequent control of their aggregation and toxicity.
Amyloidogenic peptides are considered central pathological contributors towards neurodegeneration as observed in neurodegenerative disorders [e.g., amyloid-β (Aβ) peptides in Alzheimer's disease (AD)]; however, their roles in the pathologies of such diseases have not been fully elucidated since they are challenging targets to be studied due to their heterogeneous nature and intrinsically disordered structure. Chemical approaches to modify amyloidogenic peptides would be valuable in advancing our molecular-level understanding of their involvement in neurodegeneration. Herein, we report effective chemical strategies for modification of Aβ peptides (i.e., coordination and coordination-/photo-mediated oxidation) implemented by a single Ir(iii) complex in a photo-dependent manner. Such peptide variations can be achieved by our rationally designed Ir(iii) complexes (Ir-Me, Ir-H, Ir-F, and Ir-F2) leading to significantly modulating the aggregation pathways of two main Aβ isoforms, Aβ40 and Aβ42, as well as the production of toxic Aβ species. Overall, we demonstrate chemical tactics for modification of amyloidogenic peptides in an effective and manageable manner utilizing the coordination capacities and photophysical properties of transition metal complexes.
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Affiliation(s)
- Juhye Kang
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea . .,Department of Chemistry , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea .
| | - Jung Seung Nam
- Department of Chemistry , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea .
| | - Hyuck Jin Lee
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea . .,Department of Chemistry Education , Kongju National University , Gongju 32588 , Republic of Korea
| | - Geewoo Nam
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea . .,Department of Chemistry , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea .
| | - Hyun-Woo Rhee
- Department of Chemistry , Seoul National University , Seoul 08826 , Republic of Korea
| | - Tae-Hyuk Kwon
- Department of Chemistry , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea .
| | - Mi Hee Lim
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea .
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38
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Florio D, Malfitano AM, Di Somma S, Mügge C, Weigand W, Ferraro G, Iacobucci I, Monti M, Morelli G, Merlino A, Marasco D. Platinum(II) O, S Complexes Inhibit the Aggregation of Amyloid Model Systems. Int J Mol Sci 2019; 20:ijms20040829. [PMID: 30769904 PMCID: PMC6413125 DOI: 10.3390/ijms20040829] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/08/2019] [Accepted: 02/13/2019] [Indexed: 02/07/2023] Open
Abstract
Platinum(II) complexes with different cinnamic acid derivatives as ligands were investigated for their ability to inhibit the aggregation process of amyloid systems derived from Aβ, Yeast Prion Protein Sup35p and the C-terminal domain of nucleophosmin 1. Thioflavin T binding assays and circular dichroism data indicate that these compounds strongly inhibit the aggregation of investigated peptides exhibiting IC50 values in the micromolar range. MS analysis confirms the formation of adducts between peptides and Pt(II) complexes that are also able to reduce amyloid cytotoxicity in human SH-SY5Y neuroblastoma cells. Overall data suggests that bidentate ligands based on β-hydroxy dithiocinnamic esters can be used to develop platinum or platinoid compounds with anti-amyloid aggregation properties.
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Affiliation(s)
- Daniele Florio
- Department of Pharmacy, University of Naples Federico II, Napoli 80134, Italy.
| | - Anna Maria Malfitano
- Department of Translational Medical Science, University of Naples Federico II, Napoli 80131, Italy.
| | - Sarah Di Somma
- Department of Translational Medical Science, University of Naples Federico II, Napoli 80131, Italy.
| | - Carolin Mügge
- Institute for Inorganic and Analytical Chemistry, University of Jena, Jena 07743, Germany.
- Department of Biology, Ruhr-University Bochum, Bochum 44801, Germany.
| | - Wolfgang Weigand
- Institute for Inorganic and Analytical Chemistry, University of Jena, Jena 07743, Germany.
| | - Giarita Ferraro
- Department of Chemical Sciences, University of Naples Federico II, Napoli 80126, Italy.
| | - Ilaria Iacobucci
- Department of Chemical Sciences, University of Naples Federico II, Napoli 80126, Italy.
- CEINGE Biotecnologie Avanzate s.c.a r.l., University of Naples Federico II, Napoli 80145, Italy.
| | - Maria Monti
- Department of Chemical Sciences, University of Naples Federico II, Napoli 80126, Italy.
- CEINGE Biotecnologie Avanzate s.c.a r.l., University of Naples Federico II, Napoli 80145, Italy.
| | - Giancarlo Morelli
- Department of Pharmacy, University of Naples Federico II, Napoli 80134, Italy.
| | - Antonello Merlino
- Department of Chemical Sciences, University of Naples Federico II, Napoli 80126, Italy.
| | - Daniela Marasco
- Department of Pharmacy, University of Naples Federico II, Napoli 80134, Italy.
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39
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Gomes LMF, Mahammed A, Prosser KE, Smith JR, Silverman MA, Walsby CJ, Gross Z, Storr T. A catalytic antioxidant for limiting amyloid-beta peptide aggregation and reactive oxygen species generation. Chem Sci 2019; 10:1634-1643. [PMID: 30842826 PMCID: PMC6369440 DOI: 10.1039/c8sc04660c] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 11/27/2018] [Indexed: 12/29/2022] Open
Abstract
Alzheimer's disease (AD) is a multifaceted disease that is characterized by increased oxidative stress, metal-ion dysregulation, and the formation of intracellular neurofibrillary tangles and extracellular amyloid-β (Aβ) aggregates. In this work we report the large affinity binding of the iron(iii) 2,17-bis-sulfonato-5,10,15-tris(pentafluorophenyl)corrole complex FeL1 to the Aβ peptide (K d ∼ 10-7) and the ability of the bound FeL1 to act as a catalytic antioxidant in both the presence and absence of Cu(ii) ions. Specific findings are that: (a) an Aβ histidine residue binds axially to FeL1; (b) that the resulting adduct is an efficient catalase; (c) this interaction restricts the formation of high molecular weight peptide aggregates. UV-Vis and electron paramagnetic resonance (EPR) studies show that although the binding of FeL1 does not influence the Aβ-Cu(ii) interaction (K d ∼ 10-10), bound FeL1 still acts as an antioxidant thereby significantly limiting reactive oxygen species (ROS) generation from Aβ-Cu. Overall, FeL1 is shown to bind to the Aβ peptide, and modulate peptide aggregation. In addition, FeL1 forms a ternary species with Aβ-Cu(ii) and impedes ROS generation, thus showing the promise of discrete metal complexes to limit the toxicity pathways of the Aβ peptide.
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Affiliation(s)
- Luiza M F Gomes
- Department of Chemistry , Simon Fraser University , V5A-1S6 , Burnaby , BC , Canada .
| | - Atif Mahammed
- Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa , 32000 , Israel .
| | - Kathleen E Prosser
- Department of Chemistry , Simon Fraser University , V5A-1S6 , Burnaby , BC , Canada .
| | - Jason R Smith
- Department of Chemistry , Simon Fraser University , V5A-1S6 , Burnaby , BC , Canada .
| | - Michael A Silverman
- Department of Biological Sciences , Simon Fraser University , V5A-1S6 , Burnaby , BC , Canada
| | - Charles J Walsby
- Department of Chemistry , Simon Fraser University , V5A-1S6 , Burnaby , BC , Canada .
| | - Zeev Gross
- Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa , 32000 , Israel .
| | - Tim Storr
- Department of Chemistry , Simon Fraser University , V5A-1S6 , Burnaby , BC , Canada .
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40
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Pandey G, Morla S, Nemade HB, Kumar S, Ramakrishnan V. Modulation of aggregation with an electric field; scientific roadmap for a potential non-invasive therapy against tauopathies. RSC Adv 2019; 9:4744-4750. [PMID: 35514655 PMCID: PMC9060620 DOI: 10.1039/c8ra09993f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 01/22/2019] [Indexed: 11/21/2022] Open
Abstract
Toxic aggregation of tau protein to neurofibrillary tangles (NFTS) is a central pathological event involved in tauopathies. Inhibition of tau protein aggregation can serve as a straightforward therapeutic strategy. However, tau-based therapeutic solutions are not very common. Phenothiazine methylene blue (tau protein inhibitor) is currently the only drug under phase III clinical trials. In this work, a non-invasive strategy is presented for modulating the aggregation of core peptide segments of tau protein (VQIVYK and VQIINK) by using electric fields of varying strengths. We use thioflavin T staining, tyrosine fluorescence assay, electron microscopy, IR, dynamic and static light scattering, and neuronal toxicity estimation, for verifying the effect of electric field on the aggregation kinetics, morphology, conformational state and cellular toxicity of peptide systems. Our observations suggest that electric field arrests the self-assembly of VQIVYK and VQIINK fibrils thereby reducing the neurotoxicity instigated by them. Based on our observations, we propose a prospective scheme for a futuristic non-invasive therapeutic device.
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Affiliation(s)
- Gaurav Pandey
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati Guwahati-781039 India +91 361 258 2249 +91 361 258 2227
| | - Sudhir Morla
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati Guwahati-781039 India +91 361 258 2249 +91 361 258 2227
| | - Harshal B Nemade
- Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati Guwahati-781039 India
| | - Sachin Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati Guwahati-781039 India +91 361 258 2249 +91 361 258 2227
| | - Vibin Ramakrishnan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati Guwahati-781039 India +91 361 258 2249 +91 361 258 2227
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41
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Influence of methionine–ruthenium complex on the fibril formation of human islet amyloid polypeptide. J Biol Inorg Chem 2019; 24:179-189. [DOI: 10.1007/s00775-019-01637-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 01/14/2019] [Indexed: 02/07/2023]
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42
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Ma DL, Wu C, Cheng SS, Lee FW, Han QB, Leung CH. Development of Natural Product-Conjugated Metal Complexes as Cancer Therapies. Int J Mol Sci 2019; 20:E341. [PMID: 30650627 PMCID: PMC6359354 DOI: 10.3390/ijms20020341] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/10/2019] [Accepted: 01/11/2019] [Indexed: 02/07/2023] Open
Abstract
Platinum-based drugs have revolutionized cancer care, but are unfortunately associated with various adverse effects. Meanwhile, natural product scaffolds exhibit multifarious bioactivities and serve as an attractive resource for cancer therapy development. Thus, the conjugation of natural product scaffolds to metal complexes becomes an attractive strategy to reduce the severe side effects arising from the use of metal bearing drugs. This review aims to highlight the recent examples of natural product-conjugated metal complexes as cancer therapies with enhanced selectivity and efficacy. We discuss the mechanisms and features of different conjugate complexes and present an outlook and perspective for the future of this field.
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Affiliation(s)
- Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon, Hong Kong 999077, China.
| | - Chun Wu
- Department of Chemistry, Hong Kong Baptist University, Kowloon, Hong Kong 999077, China.
| | - Sha-Sha Cheng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao 999078, China.
| | - Fu-Wa Lee
- College of International Education, School of Continuing Education, Hong Kong Baptist University, Shek Mun, Hong Kong 999077, China.
| | - Quan-Bin Han
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong 999077, China.
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao 999078, China.
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43
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Suh JM, Kim G, Kang J, Lim MH. Strategies Employing Transition Metal Complexes To Modulate Amyloid-β Aggregation. Inorg Chem 2018; 58:8-17. [PMID: 30556393 DOI: 10.1021/acs.inorgchem.8b02813] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Aggregation of amyloid-β (Aβ) peptides is implicated in the development of Alzheimer's disease (AD), the most common type of dementia. Thus, numerous efforts to identify chemical tactics to control the aggregation pathways of Aβ peptides have been made. Among them, transition metal complexes as a class of chemical modulators against Aβ aggregation have been designed and utilized. Transition metal complexes are able to carry out a variety of chemistry with Aβ peptides (e.g., coordination chemistry and oxidative and proteolytic reactions for peptide modifications) based on their tunable characteristics, including the oxidation state of and coordination geometry around the metal center. This Viewpoint illustrates three strategies employing transition metal complexes toward modulation of Aβ aggregation pathways (i.e., oxidation and hydrolysis of Aβ as well as coordination to Aβ), along with some examples of such transition metal complexes. In addition, proposed mechanisms for three reactivities of transition metal complexes with Aβ peptides are discussed. Our greater understanding of how transition metal complexes have been engineered and used for alteration of Aβ aggregation could provide insight into the new discovery of chemical reagents against Aβ peptides found in AD.
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Affiliation(s)
- Jong-Min Suh
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea
| | - Gunhee Kim
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea
| | - Juhye Kang
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea.,Department of Chemistry , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry , Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141 , Republic of Korea
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44
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Cao Q, Shin WS, Chan H, Vuong CK, Dubois B, Li B, Murray KA, Sawaya MR, Feigon J, Black DL, Eisenberg DS, Jiang L. Inhibiting amyloid-β cytotoxicity through its interaction with the cell surface receptor LilrB2 by structure-based design. Nat Chem 2018; 10:1213-1221. [PMID: 30297750 PMCID: PMC6250578 DOI: 10.1038/s41557-018-0147-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 08/28/2018] [Indexed: 12/31/2022]
Abstract
Inhibiting the interaction between amyloid-β (Aβ) and a neuronal cell surface receptor, LilrB2, has been suggested as a potential route for treating Alzheimer's disease. Supporting this approach, Alzheimer's-like symptoms are reduced in mouse models following genetic depletion of the LilrB2 homologue. In its pathogenic, oligomeric state, Aβ binds to LilrB2, triggering a pathway to synaptic loss. Here we identify the LilrB2 binding moieties of Aβ (16KLVFFA21) and identify its binding site on LilrB2 from a crystal structure of LilrB2 immunoglobulin domains D1D2 complexed to small molecules that mimic phenylalanine residues. In this structure, we observed two pockets that can accommodate the phenylalanine side chains of KLVFFA. These pockets were confirmed to be 16KLVFFA21 binding sites by mutagenesis. Rosetta docking revealed a plausible geometry for the Aβ-LilrB2 complex and assisted with the structure-guided selection of small molecule inhibitors. These molecules inhibit Aβ-LilrB2 interactions in vitro and on the cell surface and reduce Aβ cytotoxicity, which suggests these inhibitors are potential therapeutic leads against Alzheimer's disease.
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Affiliation(s)
- Qin Cao
- Departments of Chemistry and Biochemistry and Biological Chemistry, UCLA-DOE Institute and Howard Hughes Medical Institute, UCLA, Los Angeles, CA, USA
| | - Woo Shik Shin
- Department of Neurology, Molecular Biology Institute and Brain Research Institute, UCLA, Los Angeles, CA, USA
| | - Henry Chan
- Department of Chemistry and Biochemistry, UCLA, Los Angeles, CA, USA
| | - Celine K Vuong
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
- Systems Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Bethany Dubois
- Department of Neurology, Molecular Biology Institute and Brain Research Institute, UCLA, Los Angeles, CA, USA
- Division of Applied Mathematics, Brown University, Providence, RI, USA
| | - Binsen Li
- Department of Neurology, Molecular Biology Institute and Brain Research Institute, UCLA, Los Angeles, CA, USA
- Department of Chemistry and Biochemistry, UCLA, Los Angeles, CA, USA
| | - Kevin A Murray
- Departments of Chemistry and Biochemistry and Biological Chemistry, UCLA-DOE Institute and Howard Hughes Medical Institute, UCLA, Los Angeles, CA, USA
| | - Michael R Sawaya
- Departments of Chemistry and Biochemistry and Biological Chemistry, UCLA-DOE Institute and Howard Hughes Medical Institute, UCLA, Los Angeles, CA, USA
| | - Juli Feigon
- Department of Chemistry and Biochemistry, UCLA, Los Angeles, CA, USA
| | - Douglas L Black
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - David S Eisenberg
- Departments of Chemistry and Biochemistry and Biological Chemistry, UCLA-DOE Institute and Howard Hughes Medical Institute, UCLA, Los Angeles, CA, USA.
| | - Lin Jiang
- Department of Neurology, Molecular Biology Institute and Brain Research Institute, UCLA, Los Angeles, CA, USA.
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45
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Mutter ST, Turner M, Deeth RJ, Platts JA. Metal Binding to Amyloid-β 1-42: A Ligand Field Molecular Dynamics Study. ACS Chem Neurosci 2018; 9:2795-2806. [PMID: 29898363 DOI: 10.1021/acschemneuro.8b00210] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Ligand field molecular mechanics simulation has been used to model the interactions of copper(II) and platinum(II) with the amyloid-β1-42 peptide monomer. Molecular dynamics over several microseconds for both metalated systems are compared to analogous results for the free peptide. Significant differences in structural parameters are observed, both between Cu and Pt bound systems as well as between free and metal-bound peptide. Both metals stabilize the formation of helices in the peptide as well as reducing the content of β secondary structural elements compared to the unbound monomer. This is in agreement with experimental reports of metals reducing β-sheet structures, leading to formation of amorphous aggregates over amyloid fibrils. The shape and size of the peptide structures also undergo noteworthy change, with the free peptide exhibiting globular-like structure, platinum(II) system adopting extended structures, and copper(II) system resulting in a mixture of conformations similar to both of these. Salt bridge networks exhibit major differences: the Asp23-Lys28 salt bridge, known to be important in fibril formation, has a differing distance profile within all three systems studied. Salt bridges in the metal binding region of the peptide are strongly altered; in particular, the Arg5-Asp7 salt bridge, which has an occurrence of 71% in the free peptide, is reduced to zero in the presence of both metals.
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Affiliation(s)
- Shaun T. Mutter
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, United Kingdom
| | - Matthew Turner
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, United Kingdom
| | - Robert J. Deeth
- Department of Chemistry, University of Warwick, Gibbet Hill, Coventry CV4 7AL, United Kingdom
| | - James A. Platts
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, United Kingdom
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Connell TU, Donnelly PS. Labelling proteins and peptides with phosphorescent d6 transition metal complexes. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.12.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Yang Y, Guo L, Tian Z, Liu X, Gong Y, Zheng H, Ge X, Liu Z. Imine-N-Heterocyclic Carbenes as Versatile Ligands in Ruthenium(II) p-Cymene Anticancer Complexes: A Structure-Activity Relationship Study. Chem Asian J 2018; 13:2923-2933. [PMID: 30101417 DOI: 10.1002/asia.201801058] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 08/03/2018] [Indexed: 12/18/2022]
Abstract
A family of novel imine-N-heterocyclic carbene ruthenium(II) complexes of the general formula [(η6 -p-cymene)Ru(C^N)Cl]PF6 - (where C^N is an imine-N-heterocyclic carbene chelating ligand with varying substituents) have been prepared and characterized. In this imine-N-heterocyclic carbene chelating ligand framework, there are three potential sites that can be modified, which distinguishes this class of ligand and provides a body of flexibilities and opportunities to tune the cytotoxicity of these ruthenium(II) complexes. The influence of substituent effects of three tunable domains on the anticancer activity and catalytic ability in converting coenzyme NADH to NAD+ is investigated. This family of complexes displays an exceedingly distinct anticancer activity against A549 cancer cells, despite their close structural similarity. Complex 9 shows the highest anticancer activity in this series against A549 cancer cells (IC50 =14.36 μm), with an approximately 1.5-fold better activity than the clinical platinum drug cisplatin (IC50 =21.30 μm) in A549 cancer cells. Mechanistic studies reveal that complex 9 mediates cell death mainly through cell stress, including cell cycle arrest, inducing apoptosis, increasing intracellular reactive oxygen species (ROS) levels, and depolarization of the mitochondrial membrane potential (MMP). Furthermore, lysosomal damage is also detected by confocal microscopy.
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Affiliation(s)
- Yuliang Yang
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Lihua Guo
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Zhenzhen Tian
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Xicheng Liu
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Yuteng Gong
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Hongmei Zheng
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Xingxing Ge
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
| | - Zhe Liu
- Institute of Anticancer Agents Development and Theranostic Application, The Key Laboratory of Life-Organic Analysis and, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Department of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, China
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Vyas NA, Singh SB, Kumbhar AS, Ranade DS, Walke GR, Kulkarni PP, Jani V, Sonavane UB, Joshi RR, Rapole S. Acetylcholinesterase and Aβ Aggregation Inhibition by Heterometallic Ruthenium(II)-Platinum(II) Polypyridyl Complexes. Inorg Chem 2018; 57:7524-7535. [PMID: 29893118 DOI: 10.1021/acs.inorgchem.8b00091] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Two heteronuclear ruthenium(II)-platinum(II) complexes [Ru(bpy)2(BPIMBp)PtCl2]2+ (3) and [Ru(phen)2(BPIMBp)PtCl2]2+ (4), where bpy = 2,2'-bipyridine, phen = 1,10-phenanthroline, and BPIMBp = 1,4'-bis[(2-pyridin-2-yl)-1H-imidazol-1-ylmethyl]-1,1'-biphenyl, have been designed and synthesized from their mononuclear precursors [Ru(bpy)2(BPIMBp)]2+ (1) and [Ru(phen)2(BPIMBp)]2+ (2) as multitarget molecules for Alzheimer's disease (AD). The inclusion of the cis-PtCl2 moiety facilitates the covalent interaction of Ru(II) polypyridyl complexes with amyloid β (Aβ) peptide. These multifunctional complexes act as inhibitors of acetylcholinesterase (AChE), Aβ aggregation, and Cu-induced oxidative stress and protect neuronal cells against Aβ-toxicity. The study highlights the design of metal based anti-Alzheimer's disease (AD) systems.
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Affiliation(s)
- Nilima A Vyas
- Department of Chemistry , Savitribai Phule Pune University , Pune - 411007 , India
| | - Sushma B Singh
- Department of Chemistry , Savitribai Phule Pune University , Pune - 411007 , India
| | - Avinash S Kumbhar
- Department of Chemistry , Savitribai Phule Pune University , Pune - 411007 , India
| | - Dnyanesh S Ranade
- Bioprospecting Group, Agharkar Research Institute , Savitribai Phule Pune University , Pune - 411004 , India
| | - Gulshan R Walke
- Bioprospecting Group, Agharkar Research Institute , Savitribai Phule Pune University , Pune - 411004 , India
| | - Prasad P Kulkarni
- Bioprospecting Group, Agharkar Research Institute , Savitribai Phule Pune University , Pune - 411004 , India
| | - Vinod Jani
- Centre for Development of Advanced Computing (C-DAC) , Savitribai Phule Pune University , Pune - 411007 , India
| | - Uddhavesh B Sonavane
- Centre for Development of Advanced Computing (C-DAC) , Savitribai Phule Pune University , Pune - 411007 , India
| | - Rajendra R Joshi
- Centre for Development of Advanced Computing (C-DAC) , Savitribai Phule Pune University , Pune - 411007 , India
| | - Srikanth Rapole
- Proteomics Laboratory, National Centre for Cell Sciences , Savitribai Phule Pune University , Pune - 411007 , India
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Wang X, Wang X, Guo Z. Metal-involved theranostics: An emerging strategy for fighting Alzheimer’s disease. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.03.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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50
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