1
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Krátký M, Houngbedji NH, Vinšová J. Hydrazinecarboxamides: Comprehensive review of their anticancer, anticonvulsive, anti-inflammatory, enzyme inhibition, antioxidant and other activities. Eur J Med Chem 2024; 279:116835. [PMID: 39270449 DOI: 10.1016/j.ejmech.2024.116835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2024] [Revised: 09/01/2024] [Accepted: 09/02/2024] [Indexed: 09/15/2024]
Abstract
This review comprehensively summarizes recent advances in the field of hydrazinecarboxamide (semicarbazide) derivatives, highlighting their significant therapeutic potential and a broad spectrum of biological activities. As a promising and privileged scaffold in medicinal chemistry, hydrazinecarboxamides have emerged as a versatile class of compounds with significant bioactive properties. Based on their substitutions, their structural diversity permits extensive chemical modifications to enhance their interactions with various biological targets to combat multiple disorders. Notable, this group of compounds has shown significant efficacy against numerous cancer cell lines through diverse mechanisms of action and potent inhibition of enzymes, including cholinesterases, carbonic anhydrases, cyclooxygenases, lipoxygenases, etc. Beyond these, they have also been investigated for their anticonvulsive, analgesic/anti-inflammatory, and antioxidant properties, with detailed structure-activity relationships. For many applications, the hybridization of hydrazinecarboxamides with other bioactive scaffolds, such as primaquine, is of particular interest and offers advantages. Despite their promises, challenges such as suboptimal physicochemical properties and selectivity issues of certain derivatives require further effort. The review aims to inspire future innovation in the design and development of new potential hydrazinecarboxamide-based drugs, addressing existing challenges and expanding their therapeutic applications.
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Affiliation(s)
- Martin Krátký
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 03, Hradec Králové, Czech Republic.
| | - Neto-Honorius Houngbedji
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 03, Hradec Králové, Czech Republic
| | - Jarmila Vinšová
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 03, Hradec Králové, Czech Republic
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2
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Rai Deka JK, Sahariah B, Sarma BK. Understanding the Cis-Trans Amide Bond Isomerization of N, N'-Diacylhydrazines to Develop Guidelines for A Priori Prediction of Their Most Stable Solution Conformers. J Org Chem 2024; 89:10419-10433. [PMID: 36700530 DOI: 10.1021/acs.joc.2c01891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
N,N'-diacylhydrazines (R1CO-NR3-NR4-COR2) are a class of small molecules with a wide range of applications in chemistry and biology. They are structurally unique in the sense that their two amide groups are connected via a N-N single bond, and as a result, these molecules can exist in eight different isomeric forms. Four of these are amide isomers [trans-trans (t-t), trans-cis (t-c), cis-trans (c-t), and cis-cis (c-c)] arising from C-N bond restricted rotation. In addition, each of these amide isomers can exist in two different isomeric forms due to N-N bond restricted rotation, especially when R3 and R4 groups are relatively bigger. Herein, we have systematically investigated the conformations of 55 N,N'-diacylhydrazines using a combination of solution NMR spectroscopy, X-ray crystallography, and density functional theory calculations. Our data suggest that when the substituents R3 and R4 on the nitrogen atoms are both hydrogens. These molecules prefer twisted trans-trans (t-t) (>90%) geometries (H-N-C═O ∼ 180°), whereas the N-alkylated and N,N'-dialkylated molecules prefer twisted trans-cis (t-c) geometries. Herein, we have analyzed the stabilization of the various isomers of these molecules in light of steric and stereoelectronic effects. We provide a guideline to a priori predict the most stable conformers of the N,N'-diacylhydrazines just by examining their substituents (R1-R4).
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Affiliation(s)
- Jugal Kishore Rai Deka
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore 560064, India
| | - Biswajit Sahariah
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore 560064, India
| | - Bani Kanta Sarma
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore 560064, India
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3
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Khatua K, Alugubelli YR, Yang KS, Vulupala VR, Blankenship LR, Coleman D, Atla S, Chaki SP, Geng ZZ, Ma XR, Xiao J, Chen PH, Cho CCD, Sharma S, Vatansever EC, Ma Y, Yu G, Neuman BW, Xu S, Liu WR. Azapeptides with unique covalent warheads as SARS-CoV-2 main protease inhibitors. Antiviral Res 2024; 225:105874. [PMID: 38555023 PMCID: PMC11070182 DOI: 10.1016/j.antiviral.2024.105874] [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: 01/30/2024] [Revised: 03/16/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024]
Abstract
The main protease (MPro) of SARS-CoV-2, the causative agent of COVID-19, is a pivotal nonstructural protein critical for viral replication and pathogenesis. Its protease function relies on three active site pockets for substrate recognition and a catalytic cysteine for enzymatic activity. To develop potential SARS-CoV-2 antivirals, we successfully synthesized a diverse range of azapeptide inhibitors with various covalent warheads to target MPro's catalytic cysteine. Our characterization identified potent MPro inhibitors, including MPI89 that features an aza-2,2-dichloroacetyl warhead with a remarkable EC50 value of 10 nM against SARS-CoV-2 infection in ACE2+ A549 cells and a selective index of 875. MPI89 is also remarkably selective and shows no potency against SARS-CoV-2 papain-like protease and several human proteases. Crystallography analyses demonstrated that these inhibitors covalently engaged the catalytic cysteine and used the aza-amide carbonyl oxygen to bind to the oxyanion hole. MPI89 stands as one of the most potent MPro inhibitors, suggesting the potential for further exploration of azapeptides and the aza-2,2-dichloroacetyl warhead for developing effective therapeutics against COVID-19.
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Affiliation(s)
- Kaustav Khatua
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Yugendar R Alugubelli
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Kai S Yang
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Veerabhadra R Vulupala
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Lauren R Blankenship
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Demonta Coleman
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Sandeep Atla
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Sankar P Chaki
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Zhi Zachary Geng
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Xinyu R Ma
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Jing Xiao
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Peng-Hsun Chen
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Chia-Chuan D Cho
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Shivangi Sharma
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Erol C Vatansever
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Yuying Ma
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Ge Yu
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA
| | - Benjamin W Neuman
- Department of Biology, Texas A&M University, College Station, TX 77843, USA; Texas A&M Global Health Research Complex, Texas A&M University, College Station, TX 77843, USA; Health Science Centre, Department of Molecular Pathogenesis and Immunology, Texas A&M University, College Station, TX 77843, USA
| | - Shiqing Xu
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA; Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station, TX 77843, USA.
| | - Wenshe Ray Liu
- Texas A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, TX 77854, USA; Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station, TX 77843, USA; Institute of Biosciences and Technology and Department of Translational Medical Sciences, College of Medicine, Texas A&M University, Houston, TX 77030, USA; Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Cell Biology and Genetics, College of Medicine, Texas A&M University, College Station, TX 77843, USA.
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4
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Tarchoun K, Soltész D, Farkas V, Lee HJ, Szabó I, Bánóczi Z. Influence of Aza-Glycine Substitution on the Internalization of Penetratin. Pharmaceutics 2024; 16:477. [PMID: 38675138 PMCID: PMC11053488 DOI: 10.3390/pharmaceutics16040477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
The cell-penetrating peptide (CPP) penetratin has gained much attention over many years due to its potential role as a transporter for a broad range of cargo into cells. The modification of penetratin has been extensively investigated too. Aza-peptides are peptide analogs in which one or more of the amino residues are replaced by a semicarbazide. This substitution results in conformational restrictions and modifications in hydrogen bonding properties, which affect the structure and may lead to enhanced activity and selectivity of the modified peptide. In this work, the Trp residues of penetratin were substituted by aza-glycine or glycine residues to examine the effect of these modifications on the cellular uptake and the internalization mechanism. The substitution of Trp48 or Trp48,56 dramatically reduced the internalization, showing the importance of Trp48 in cellular uptake. Interestingly, while aza-glycine in the position of Trp56 increased the cellular uptake, Gly reduced it. The two Trp-modified derivatives showed altered internalization pathways, too. Based on our knowledge, this is the first study about the effect of aza-amino acid substitution on the cell entry of CPPs. Our results suggest that aza-amino acid insertion is a useful modification to change the internalization of a CPP.
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Affiliation(s)
- Karima Tarchoun
- Institute of Chemistry, Faculty of Science, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary; (K.T.); (D.S.)
- Hevesy György PhD School of Chemistry, Institute of Chemistry, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
| | - Dóra Soltész
- Institute of Chemistry, Faculty of Science, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary; (K.T.); (D.S.)
- Hevesy György PhD School of Chemistry, Institute of Chemistry, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
| | - Viktor Farkas
- HUN-REN-ELTE Protein Modeling Research Group, Institute of Chemistry, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary;
| | - Ho-Jin Lee
- Department of Natural Sciences, Southwest Tennessee Community College, Memphis, TN 38015, USA;
- Division of Natural and Mathematics Sciences, LeMoyne-Own College, Memphis, TN 38126, USA
| | - Ildikó Szabó
- HUN-REN-ELTE Research Group of Peptide Chemistry, 1117 Budapest, Hungary;
| | - Zoltán Bánóczi
- Institute of Chemistry, Faculty of Science, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary; (K.T.); (D.S.)
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5
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Galashov A, Kazakova E, Stieger CE, Hackenberger CPR, Seitz O. Rapid building block-economic synthesis of long, multi- O-GalNAcylated MUC5AC tandem repeat peptides. Chem Sci 2024; 15:1297-1305. [PMID: 38274058 PMCID: PMC10806717 DOI: 10.1039/d3sc05006h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
The study of mucin function requires access to highly O-glycosylated peptides with multiple tandem repeats. Solid-phase synthesis would be a suitable method, however, the central problem in the synthesis of mucin glycopeptides is the need to use precious and potentially vulnerable glycoamino acid building blocks in excess. In this article, we report the development of a method based on SPPS and native chemical ligation/desulfurization chemistry that allows the rapid, reliable, and glyco-economical synthesis of long multi-O-GalNAcylated peptides. To facilitate access to the glycosyl donor required for the preparation of Fmoc-Ser/Thr(αAc3GalNAc)-OH we used an easily scalable azidophenylselenylation of galactal instead of azidonitration. The problem of low yield when coupling glycoamino acids in small excess was solved by carrying out the reactions in 2-MeTHF instead of DMF and using DIC/Oxyma. Remarkably, quantitative coupling was achieved within 10 minutes using only 1.5 equivalents of glycoamino acid. The method does not require (microwave) heating, thus avoiding side reactions such as acetyl transfer to the N-terminal amino acid. This method also improved the difficult coupling of glycoamino acid to the hydrazine-resin and furnished peptides carrying 10 GalNAc units in high purities (>95%) of crude products. Combined with a one-pot method involving native chemical ligation at a glycoamino acid junction and superfast desulfurization, the method yielded highly pure MUC5AC glycopeptides comprising 10 octapeptide tandem repeats with 20 α-O-linked GalNAc residues within a week.
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Affiliation(s)
- Arseniy Galashov
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Ekaterina Kazakova
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Christian E Stieger
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) Robert-Rössle-Strasse 10 13125 Berlin Germany
| | - Christian P R Hackenberger
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) Robert-Rössle-Strasse 10 13125 Berlin Germany
| | - Oliver Seitz
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
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6
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Xia L, Zhou Z, Chen X, Luo W, Ding L, Xie H, Zhuang W, Ni K, Li G. Ligand-dependent CD36 functions in cancer progression, metastasis, immune response, and drug resistance. Biomed Pharmacother 2023; 168:115834. [PMID: 37931517 DOI: 10.1016/j.biopha.2023.115834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/27/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023] Open
Abstract
CD36, a multifunctional glycoprotein, has been shown to play critical roles in tumor initiation, progression, metastasis, immune response, and drug resistance. CD36 serves as a receptor for a wide range of ligands, including lipid-related ligands (e.g., long-chain fatty acid (LCFA), oxidized low-density lipoprotein (oxLDL), and oxidized phospholipids), as well as protein-related ligands (e.g., thrombospondins, amyloid proteins, collagens I and IV). CD36 is overexpressed in various cancers and may act as an independent prognostic marker. While it was initially identified as a mediator of anti-angiogenesis through its interaction with thrombospondin-1 (TSP1), recent research has highlighted its role in promoting tumor growth, metastasis, drug resistance, and immune suppression. The varied impact of CD36 on cancer is likely ligand-dependent. Therefore, we focus specifically on the ligand-dependent role of CD36 in cancer to provide a critical review of recent advances, perspectives, and challenges.
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Affiliation(s)
- Liqun Xia
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Zhenwei Zhou
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xianjiong Chen
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenqin Luo
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lifeng Ding
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Haiyun Xie
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wei Zhuang
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China; Department of Urology, The Second Affiliated Hospital of Fujian Medical University, Fujian, China
| | - Kangxin Ni
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Gonghui Li
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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7
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Gibadullin R, Kim TW, Tran LML, Gellman SH. Hormone Analogues with Unique Signaling Profiles from Replacement of α-Residue Triads with β/γ Diads. J Am Chem Soc 2023; 145:20539-20550. [PMID: 37697685 PMCID: PMC10588032 DOI: 10.1021/jacs.3c06703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
We have applied an underexplored backbone modification strategy to generate new analogues of peptides that activate two clinically important class B1 G protein-coupled receptors (GPCRs). Most peptide modification strategies involve changing side chains or, less commonly, changing the configuration at side chain-bearing carbons (i.e., l residues replaced by d residues). In contrast, backbone modifications alter the number of backbone atoms and the identities of backbone atoms relative to a poly-α-amino acid backbone. Starting from the peptide agonists PTH(1-34) (the first 34 residues of the parathyroid hormone, used clinically as the drug teriparatide) and glucagon-like peptide-1 (7-36) (GLP-1(7-36)), we replaced native α-residue triads with a diad composed of a β-amino acid residue and a γ-amino acid residue. The β/γ diad retains the number of backbone atoms in the ααα triad. Because the β and γ residue each bear a single side chain, we implemented ααα→βγ replacements at sites that contained a Gly residue (i.e., at α-residue triads that presented only two side chains). All seven of the α/β/γ-peptides derived from PTH(1-34) or GLP-1(7-36) bind to the cognate receptor (the PTHR1 or the GLP-1R), but they vary considerably in their activity profiles. Outcomes include functional mimicry of the all-α agonist, receptor-selective agonist activity, biased agonism, or strong binding with weak activation, which could lead to antagonist development. Collectively, these findings demonstrate that ααα→βγ replacements, which are easily implemented via solid-phase synthesis, can generate peptide hormone analogues that display unique and potentially useful signaling behavior.
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Affiliation(s)
- Ruslan Gibadullin
- Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
- Present address: Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Tae Wook Kim
- Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Lauren My-Linh Tran
- Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Samuel H. Gellman
- Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
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8
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Shi C, Kaffy J, Ha-Duong T, Gallard JF, Pruvost A, Mabondzo A, Ciccone L, Ongeri S, Tonali N. Proteolytically Stable Diaza-Peptide Foldamers Mimic Helical Hot Spots of Protein-Protein Interactions and Act as Natural Chaperones. J Med Chem 2023; 66:12005-12017. [PMID: 37632446 DOI: 10.1021/acs.jmedchem.3c00611] [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: 08/28/2023]
Abstract
A novel class of peptidomimetic foldamers based on diaza-peptide units are reported. Circular dichroism, attenuated total reflection -Fourier transform infrared, NMR, and molecular dynamics studies demonstrate that unlike the natural parent nonapeptide, the specific incorporation of one diaza-peptide unit at the N-terminus allows helical folding in water, which is further reinforced by the introduction of a second unit at the C-terminus. The ability of these foldamers to resist proteolysis, to mimic the small helical hot spot of transthyretin-amyloid β (Aβ) cross-interaction, and to decrease pathological Aβ aggregation demonstrates that the introduction of diaza-peptide units is a valid approach for designing mimics or inhibitors of protein-protein interaction and other therapeutic peptidomimetics. This study also reveals that small peptide foldamers can play the same role as physiological chaperone proteins and opens a new way to design inhibitors of amyloid protein aggregation, a hallmark of more than 20 serious human diseases such as Alzheimer's disease.
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Affiliation(s)
- Chenghui Shi
- Université Paris-Saclay, CNRS, BioCIS, Bat. Henri Moissan, 17 av. des Sciences, 91400 Orsay, France
| | - Julia Kaffy
- Université Paris-Saclay, CNRS, BioCIS, Bat. Henri Moissan, 17 av. des Sciences, 91400 Orsay, France
| | - Tâp Ha-Duong
- Université Paris-Saclay, CNRS, BioCIS, Bat. Henri Moissan, 17 av. des Sciences, 91400 Orsay, France
| | - Jean-François Gallard
- Equipe Biologie et Chimie Structurales, Dept Chimie et Biologie Structurales et Analytiques, ICSN CNRS, Université Paris Saclay, 1 avenue de la terrasse, 91190 Gif sur Yvette, France
| | - Alain Pruvost
- CEA, INRAE, Département Médicaments et Technologies pour La Santé, Université Paris-Saclay, SPI 91191 Gif-sur-Yvette, France
| | - Aloise Mabondzo
- CEA, INRAE, Département Médicaments et Technologies pour La Santé, Université Paris-Saclay, SPI 91191 Gif-sur-Yvette, France
| | - Lidia Ciccone
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Sandrine Ongeri
- Université Paris-Saclay, CNRS, BioCIS, Bat. Henri Moissan, 17 av. des Sciences, 91400 Orsay, France
| | - Nicolo Tonali
- Université Paris-Saclay, CNRS, BioCIS, Bat. Henri Moissan, 17 av. des Sciences, 91400 Orsay, France
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9
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El Khabchi M, Mcharfi M, Benzakour M, Fitri A, Benjelloun AT, Song JW, Lee KB, Lee HJ. Computational Investigation of Conformational Properties of Short Azapeptides: Insights from DFT Study and NBO Analysis. Molecules 2023; 28:5454. [PMID: 37513326 PMCID: PMC10386235 DOI: 10.3390/molecules28145454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/05/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
Azapeptides have gained much attention due to their ability to enhance the stability and bioavailability of peptide drugs. Their structural preferences, essential to understanding their function and potential application in the peptide drug design, remain largely unknown. In this work, we systematically investigated the conformational preferences of three azaamino acid residues in tripeptide models, Ac-azaXaa-Pro-NHMe [Xaa = Asn (4), Asp (5), Ala (6)], using the popular DFT functionals, B3LYP and B3LYP-D3. A solvation model density (SMD) was used to mimic the solvation effect on the conformational behaviors of azapeptides in water. During the calculation, we considered the impact of the amide bond in the azapeptide models on the conformational preferences of models 4-6. We analyzed the effect of the HB between the side-chain main chain and main-chain main-chain on the conformational behaviors of azapeptides 4-6. We found that the predicted lowest energy conformation for the three models differs depending on the calculation methods. In the gas phase, B3LYP functional indicates that the conformers tttANP-1 and tttADP-1 of azapeptides 4 and 5 correspond to the type I of β-turn, the lowest energy conformation with all-trans amide bonds. Considering the dispersion correction, B3LYP-D3 functional predicts the conformers tctANP-2 and tctADP-3 of azapeptide 4 and 5, which contain the cis amide bond preceding the Pro residue, as the lowest energy conformation in the gas phase. The results imply that azaAsx and Pro residues may involve cis-trans isomerization in the gas phase. In water, the predicted lowest energy conformer of azapeptides 4 and 5 differs from the gas phase results and depends on the calculational method. For azapeptide 6, regardless of calculation methods and phases, tttAAP-1 (β-I turn) is predicted as the lowest energy conformer. The results imply that the effect of the side chain that can form HBs on the conformational preferences of azapeptides 4 and 5 may not be negligible. We compared the theoretical results of azaXaa-Pro models with those of Pro-azaXaa models, showing that incorporating azaamino acid residue in peptides at different positions can significantly impact the folding patterns and stability of azapeptides.
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Affiliation(s)
- Mouna El Khabchi
- LIMAS, Department of Chemistry, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco
| | - Mohammed Mcharfi
- LIMAS, Department of Chemistry, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco
| | - Mohammed Benzakour
- LIMAS, Department of Chemistry, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco
| | - Asmae Fitri
- LIMAS, Department of Chemistry, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco
| | - Adil Touimi Benjelloun
- LIMAS, Department of Chemistry, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco
| | - Jong-Won Song
- Department of Chemistry Education, Daegu University, Daegudae-ro 201, Gyeongsan-si 38453, Republic of Korea
| | - Kang-Bong Lee
- Climate and Environmental Research Institute, Korea Institute of Science & Technology, Hwarang-ro 14-gil 5, Seoul 02792, Republic of Korea
| | - Ho-Jin Lee
- Department of Natural Sciences, Southwest Tennessee Community College, Memphis, TN 38134, USA
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10
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Wang S, Ying Z, Huang Y, Li Y, Hu M, Kang K, Wang H, Shao J, Wu G, Yu Y, Du Y, Chen W. Synthesis and structure-activity optimization of 7-azaindoles containing aza-β-amino acids targeting the influenza PB2 subunit. Eur J Med Chem 2023; 250:115185. [PMID: 36773549 DOI: 10.1016/j.ejmech.2023.115185] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023]
Abstract
The PB2 subunit of influenza virus polymerase has been demonstrated as a promising drug target for anti-influenza therapy. In this work, 7-azaindoles containing aza-β3- or β2,3 -amino acids were synthesized possessing a good binding affinity of PB2. The aza-β-amino acid moieties with diverse size, shape, steric hindrance and configuration were investigated. Then a lead HAA-09 was validated, and the attached aza-β3-amino acid moiety with acyclic tertiary carbon side chain well occupied in the key hydrophobic cavity of PB2_cap binding domain. Importantly, HAA-09 displays potent polymerase inhibition capacity, low cytotoxicity (selectivity index up to 2915) as well as robust anti-viral activity against A/WSN/33 (H1N1) virus and oseltamivir-resistant H275Y variant. Moreover, HAA-09 exhibited druggability with high plasma stability (t1/2 ≥ 12 h) and no obvious hERG inhibition (IC50 > 10 μM). Also, HAA-09 demonstrated a favorable safety profile when orally administrated in healthy mice at a high dose of 40 mg/kg QD for consecutive 3 days. Besides, in vivo therapeutic efficacy (85.7% survival observed at the day 15 post infection) was demonstrated when HAA-09 was administrated orally at 12.5 mg/kg BID starting 48 h post infection for 9 days. These data support that exploring the interactions between side chains on aza-β3- or β2,3 -amino acid moieties and hydrophobic pocket of PB2_cap binding domain is a potential medicinal chemistry strategy for developing potent PB2 inhibitors.
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Affiliation(s)
- Sihan Wang
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310003, China; Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Zhimin Ying
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Youchun Huang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Yuting Li
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310003, China; Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Menglong Hu
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310003, China; Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Ke Kang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Haiyang Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Jiaan Shao
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, 310015, PR China
| | - Gaoqi Wu
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Yongping Yu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Yushen Du
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310003, China; Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Zhejiang University, Hangzhou, Zhejiang, 310003, China.
| | - Wenteng Chen
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China.
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11
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Teng P, Shao H, Huang B, Xie J, Cui S, Wang K, Cai J. Small Molecular Mimetics of Antimicrobial Peptides as a Promising Therapy To Combat Bacterial Resistance. J Med Chem 2023; 66:2211-2234. [PMID: 36739538 DOI: 10.1021/acs.jmedchem.2c00757] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Clinically, antibiotics are widely used to treat infectious diseases; however, excessive drug abuse and overuse exacerbate the prevalence of drug-resistant bacterial pathogens, making the development of novel antibiotics extremely difficult. Antimicrobial peptide (AMP) is one of the most promising candidates for overcoming bacterial resistance owing to its unique structure and mechanism of action. This study examines the development of small molecular mimetics of AMPs over the past two decades. These mimetics can selectively disrupt membranes, which are the characteristic antibacterial mechanism of AMPs. In addition, the advantages and disadvantages of small AMP mimetics are discussed. The small molecular mimetics of AMPs are anticipated to garner interest and investment in discovering new antibiotics. This Perspective will assist in revitalizing the golden age of antibiotics in the current era of combating bacterial resistance.
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Affiliation(s)
- Peng Teng
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, P. R. China
| | - Haodong Shao
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, P. R. China
| | - Bo Huang
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Junqiu Xie
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, P. R. China
| | - Kairong Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, China
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
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12
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Habashi M, Chauhan PS, Vutla S, Senapati S, Diachkov M, El-Husseini A, Guérin B, Lubell WD, Rahimipour S. Aza-Residue Modulation of Cyclic d,l-α-Peptide Nanotube Assembly with Enhanced Anti-Amyloidogenic Activity. J Med Chem 2023; 66:3058-3072. [PMID: 36763536 DOI: 10.1021/acs.jmedchem.2c02049] [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: 02/11/2023]
Abstract
Transient soluble oligomers of amyloid-β (Aβ) are considered among the most toxic species in Alzheimer's disease (AD). Soluble Aβ oligomers accumulate early prior to insoluble plaque formation and cognitive impairment. The cyclic d,l-α-peptide CP-2 (1) self-assembles into nanotubes and demonstrates promising anti-amyloidogenic activity likely by a mechanism involving engagement of soluble oligomers. Systematic replacement of the residues in peptide 1 with aza-amino acid counterparts was performed to explore the effects of hydrogen bonding on propensity to mitigate Aβ aggregation and toxicity. Certain azapeptides exhibited improved ability to engage, alter the secondary structure, and inhibit aggregation of Aβ. Moreover, certain azapeptides disassembled preformed Aβ fibrils and protected cells from Aβ-mediated toxicity. Substitution of the l-norleucine3 and d-serine6 residues in peptide 1 with aza-norleucine and aza-homoserine provided, respectively, nontoxic [azaNle3]-1 (4) and [azaHse6]-1 (7), that significantly abated symptoms in a transgenic Caenorhabditis elegans AD model by decreasing Aβ oligomer levels.
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Affiliation(s)
- Maram Habashi
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Pradeep S Chauhan
- Département de Chimie, Université de Montréal, Complexe des Sciences, B-3015 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Suresh Vutla
- Département de Chimie, Université de Montréal, Complexe des Sciences, B-3015 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Sudipta Senapati
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Mykhailo Diachkov
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Ali El-Husseini
- Département de Chimie, Université de Montréal, Complexe des Sciences, B-3015 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Brigitte Guérin
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke 3001, 12e Avenue Nord, Sherbrooke, Quebec J1H 5N4, Canada
- Sherbrooke Molecular Imaging Center (CIMS), Research centre of the CHUS (CRCHUS) 3001, 12e Avenue Nord, Sherbrooke, Quebec J1H 5N4, Canada
| | - William D Lubell
- Département de Chimie, Université de Montréal, Complexe des Sciences, B-3015 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Shai Rahimipour
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
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13
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Sharma K, Sharma KK, Sharma A, Jain R. Peptide-based drug discovery: Current status and recent advances. Drug Discov Today 2023; 28:103464. [PMID: 36481586 DOI: 10.1016/j.drudis.2022.103464] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
The progressive development of peptides from reaction vessels to life-saving drugs via rigorous preclinical and clinical assessments is fascinating. Peptide therapeutics have gained momentum with the evolution of techniques in peptide chemistry, such as microwave irradiation in solid- and solution-phase synthesis, ligation chemistry, recombinant synthesis, and amalgamation with synthetic tools, including metal catalysis. Diverse emerging technologies, such as DNA-encoded libraries (DELs) and display techniques, are changing the status quo in the discovery of peptide therapeutics. In this review, we analyzed US Food and Drug Administration (FDA)-approved peptide drugs and those in clinical trials, highlighting recent advances in peptide-based drug discovery.
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Affiliation(s)
- Komal Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160 062, India
| | - Krishna K Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160 062, India
| | - Anku Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160 062, India
| | - Rahul Jain
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160 062, India.
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14
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Park HS, Kang YK. Impact of aza-substitutions on the preference of helix handedness for β-peptide oligomers: a DFT study. RSC Adv 2023; 13:3079-3082. [PMID: 36756412 PMCID: PMC9850699 DOI: 10.1039/d2ra07575j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/15/2023] [Indexed: 01/21/2023] Open
Abstract
We studied the helix preference of the heterochiral pentamers of cis-2-aminocyclohexanecarboxylic acid (c-ACHC) and cis-2-aminocyclopentanecarboxylic acid (c-ACPC) with alternating backbone configurations by replacing Cβ-aza- or Cα-aza-peptide residues using DFT methods in solution. The helix-handedness preferences of two pentamers were strongly affected by the replacement positions (i.e., chiralities) but not depending on the solvent polarity.
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Affiliation(s)
- Hae Sook Park
- Department of Nursing, Cheju Halla UniversityCheju 63092Republic of Korea
| | - Young Kee Kang
- Department of Chemistry, Chungbuk National University Cheongju Chungbuk 28644 Republic of Korea
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15
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Altiti A, He M, VanPatten S, Cheng KF, Ahmed U, Chiu PY, Mughrabi IT, Jabari BA, Burch RM, Manogue KR, Tracey KJ, Diamond B, Metz CN, Yang H, Hudson LK, Zanos S, Son M, Sherry B, Coleman TR, Al-Abed Y. Thiocarbazate building blocks enable the construction of azapeptides for rapid development of therapeutic candidates. Nat Commun 2022; 13:7127. [PMID: 36443291 PMCID: PMC9705435 DOI: 10.1038/s41467-022-34712-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 11/03/2022] [Indexed: 11/29/2022] Open
Abstract
Peptides, polymers of amino acids, comprise a vital and expanding therapeutic approach. Their rapid degradation by proteases, however, represents a major limitation to their therapeutic utility and chemical modifications to native peptides have been employed to mitigate this weakness. Herein, we describe functionalized thiocarbazate scaffolds as precursors of aza-amino acids, that, upon activation, can be integrated in a peptide sequence to generate azapeptides using conventional peptide synthetic methods. This methodology facilitates peptide editing-replacing targeted amino acid(s) with aza-amino acid(s) within a peptide-to form azapeptides with preferred therapeutic characteristics (extending half-life/bioavailability, while at the same time typically preserving structural features and biological activities). We demonstrate the convenience of this azapeptide synthesis platform in two well-studied peptides with short half-lives: FSSE/P5779, a tetrapeptide inhibitor of HMGB1/MD-2/TLR4 complex formation, and bradykinin, a nine-residue vasoactive peptide. This bench-stable thiocarbazate platform offers a robust and universal approach to optimize peptide-based therapeutics.
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Affiliation(s)
- Ahmad Altiti
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA.
| | - Mingzhu He
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Sonya VanPatten
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Kai Fan Cheng
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Umair Ahmed
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Pui Yan Chiu
- Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Ibrahim T Mughrabi
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Bayan Al Jabari
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | | | - Kirk R Manogue
- Center for Molecular Innovation, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Kevin J Tracey
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Betty Diamond
- Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Christine N Metz
- Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - Huan Yang
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - LaQueta K Hudson
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - Stavros Zanos
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Myoungsun Son
- Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Barbara Sherry
- Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Thomas R Coleman
- Center for Molecular Innovation, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Yousef Al-Abed
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA.
- Center for Molecular Innovation, Feinstein Institutes for Medical Research, Manhasset, NY, USA.
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16
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Xue S, Wang L, Cai J. Sulfono-γ-AApeptides as Protein Helical Domain Mimetics to Manipulate the Angiogenesis. Chembiochem 2022; 23:e202200298. [PMID: 36006398 PMCID: PMC9741949 DOI: 10.1002/cbic.202200298] [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: 05/25/2022] [Revised: 08/23/2022] [Indexed: 02/03/2023]
Abstract
Sulfono-γ-AApeptides recently developed in our group have been proven to be a new class of unnatural foldamer with well-defined helical structure and have been demonstrated to mimic protein helical domains and disrupt biomedically relevant protein-protein interactions (PPIs). Based on our design concept in a recent report, we discovered two similar sulfono-γ-AApeptides V2 and V3 which were designed to mimic the VEGF N-terminal helix α1 known to directly interact with VEGFRs. Interestingly, V2 was shown to possess the pro-angiogenic effect, whereas V3 was proved to be a potent inhibitor for angiogenesis. We speculate that the distinct angiogenesis signaling was due to the selective binding of the two molecules to VEGFR1 and VEGFR2, respectively. Together with their remarkable resistance to proteolytic degradation, relatively small sizes, and amenability to modification with diverse functional groups, V2 and V3 could serve as lead molecules for the development of potential therapeutic agents and molecular probes. These findings highlight sulfono-γ-AApeptides as an alternative paradigm to mimic the α-helical domain to modulate a wide variety of PPIs in the future.
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Affiliation(s)
- Songyi Xue
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, USA
| | - Lei Wang
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, USA
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, USA
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17
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Luo Z, Xu L, Tang X, Zhao X, He T, Lubell WD, Zhang J. Synthesis and biological evaluation of novel all-hydrocarbon cross-linked aza-stapled peptides. Org Biomol Chem 2022; 20:7963-7971. [PMID: 36190455 DOI: 10.1039/d2ob01496c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel all-hydrocarbon cross-linked aza-stapled peptides were designed and synthesized for the first time by ring-closing metathesis between two aza-alkenylglycine residues. Three aza-stapled peptidic analogues based on the peptide dual inhibitor of p53-MDM2/MDMX interactions were synthesized and screened for biological activities. Among the three aza-stapled peptides, aSPDI-411 displayed increased anti-tumor activity, binding affinities to both MDM2 and MDMX, and cell membrane permeability compared to its linear peptide counterpart.
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Affiliation(s)
- Zhihong Luo
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China.
| | - Lei Xu
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China.
| | - Xiaomin Tang
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China.
| | - Xuejun Zhao
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China.
| | - Tong He
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China.
| | - William D Lubell
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada.
| | - Jinqiang Zhang
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China. .,Chongqing University Industrial Technology Research Institute, Chongqing 401329, People's Republic of China
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18
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Shiraj A, Ramabhadran RO, Ganesh KN. Aza-PNA: Engineering E-Rotamer Selectivity Directed by Intramolecular H-bonding. Org Lett 2022; 24:7421-7427. [PMID: 36190804 DOI: 10.1021/acs.orglett.2c02993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The replacement of α(CH2) by NH in monomers of standard aeg PNA and its homologue β-ala PNA leads to respective aza-PNA monomers (1 and 2) in which the NαH can form either an 8-membered H-bonded ring with folding of the backbone (DMSO and water) or a 5-membered NαH─αCO (water) to stabilize E-type rotamers. Such aza-PNA oligomers with exclusive E rotamers and intraresidue backbone H-bonding can modulate its DNA/RNA binding and assembling properties.
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Affiliation(s)
- Abdul Shiraj
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr Homi Bhabha Road, Pune 411008, Maharashtra, India
| | - Raghunath O Ramabhadran
- Department of Chemistry, Indian Institute of Science Education and Research Tirupati, Karkambadi Road, Tirupati 517507, Andhra Pradesh, India
| | - Krishna N Ganesh
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr Homi Bhabha Road, Pune 411008, Maharashtra, India.,Department of Chemistry, Indian Institute of Science Education and Research Tirupati, Karkambadi Road, Tirupati 517507, Andhra Pradesh, India
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19
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Le Du E, Borrel J, Waser J. Copper-Catalyzed Alkynylation of Hydrazides: An Easy Access to Functionalized Azadipeptides. Org Lett 2022; 24:6614-6618. [PMID: 36066898 DOI: 10.1021/acs.orglett.2c02625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report a copper-catalyzed alkynylation of azadipeptides using ethynylbenziodoxolone (EBX) reagents. Nonsymmetrical ynehydrazides could be obtained in 25-97% yield using azaglycine derivatives as nucleophiles. The transformation is compatible with most functional groups naturally occurring on amino acid side chains and allows the transfer of silyl-, alkyl-, and aryl-substituted alkynes. The obtained α-alkynyl azaglycine products could be further functionalized by nucleophilic attack or cycloaddition on the triple bond.
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Affiliation(s)
- Eliott Le Du
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Julien Borrel
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
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20
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Previti S, Ettari R, Di Chio C, Ravichandran R, Bogacz M, Hellmich UA, Schirmeister T, Cosconati S, Zappalà M. Development of Reduced Peptide Bond Pseudopeptide Michael Acceptors for the Treatment of Human African Trypanosomiasis. Molecules 2022; 27:3765. [PMID: 35744891 PMCID: PMC9229991 DOI: 10.3390/molecules27123765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/27/2022] [Accepted: 06/09/2022] [Indexed: 11/17/2022] Open
Abstract
Human African Trypanosomiasis (HAT) is an endemic protozoan disease widespread in the sub-Saharan region that is caused by T. b. gambiense and T. b. rhodesiense. The development of molecules targeting rhodesain, the main cysteine protease of T. b. rhodesiense, has led to a panel of inhibitors endowed with micro/sub-micromolar activity towards the protozoa. However, whilst impressive binding affinity against rhodesain has been observed, the limited selectivity towards the target still remains a hard challenge for the development of antitrypanosomal agents. In this paper, we report the synthesis, biological evaluation, as well as docking studies of a series of reduced peptide bond pseudopeptide Michael acceptors (SPR10-SPR19) as potential anti-HAT agents. The new molecules show Ki values in the low-micro/sub-micromolar range against rhodesain, coupled with k2nd values between 1314 and 6950 M-1 min-1. With a few exceptions, an appreciable selectivity over human cathepsin L was observed. In in vitro assays against T. b. brucei cultures, SPR16 and SPR18 exhibited single-digit micromolar activity against the protozoa, comparable to those reported for very potent rhodesain inhibitors, while no significant cytotoxicity up to 70 µM towards mammalian cells was observed. The discrepancy between rhodesain inhibition and the antitrypanosomal effect could suggest additional mechanisms of action. The biological characterization of peptide inhibitor SPR34 highlights the essential role played by the reduced bond for the antitrypanosomal effect. Overall, this series of molecules could represent the starting point for further investigations of reduced peptide bond-containing analogs as potential anti-HAT agents.
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Affiliation(s)
- Santo Previti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Stagno d’Alcontres 31, 98166 Messina, Italy; (R.E.); (C.D.C.)
| | - Roberta Ettari
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Stagno d’Alcontres 31, 98166 Messina, Italy; (R.E.); (C.D.C.)
| | - Carla Di Chio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Stagno d’Alcontres 31, 98166 Messina, Italy; (R.E.); (C.D.C.)
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy
| | - Rahul Ravichandran
- DiSTABiF, University of Campania Luigi Vanvitelli, Via Vivaldi 43, 81100 Caserta, Italy; (R.R.); (S.C.)
| | - Marta Bogacz
- Institute of Organic Chemistry & Macromolecular Chemistry, Friedrich-Schiller-University of Jena, Humboldtstraße 10, 07743 Jena, Germany; (M.B.); (U.A.H.)
| | - Ute A. Hellmich
- Institute of Organic Chemistry & Macromolecular Chemistry, Friedrich-Schiller-University of Jena, Humboldtstraße 10, 07743 Jena, Germany; (M.B.); (U.A.H.)
- Centre for Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt, Max von Laue Str. 9, 60438 Frankfurt, Germany
| | - Tanja Schirmeister
- Institute of Pharmaceutical and Biomedical Sciences, University of Mainz, Staudingerweg 5, 55128 Mainz, Germany;
| | - Sandro Cosconati
- DiSTABiF, University of Campania Luigi Vanvitelli, Via Vivaldi 43, 81100 Caserta, Italy; (R.R.); (S.C.)
| | - Maria Zappalà
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Stagno d’Alcontres 31, 98166 Messina, Italy; (R.E.); (C.D.C.)
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21
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Dai C, Lian C, Fang H, Luo Q, Huang J, Yang M, Yang H, Zhu L, Zhang J, Yin F, Li Z. Diversity-Oriented Synthesis of ERα Modulators via Mitsunobu Macrocyclization. Org Lett 2022; 24:3532-3537. [PMID: 35546524 DOI: 10.1021/acs.orglett.2c01239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The diversity of cyclic peptides was expanded by elaborating Mitsunobu macrocyclization, tethering various hydroxy acid building blocks with different Nε-amine substituents. This new strategy was then applied in synthesizing peptidomimetic estrogen receptor modulator (PERM) analogs on the solid support. The PERM analogs exhibited increased serum peptidase stability, cell penetration, and estrogen receptor α binding affinity. Studying diversity-oriented methods for preparing azacyclopeptides provides a new tool for macrocycle construction and further structural information for optimizing ERα modulators for ER positive breast cancers.
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Affiliation(s)
- Chuan Dai
- Department of Pharmacy, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen 518035, China.,Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, China.,Department of Pathogenic Biology and Immunology, Xiangnan University, Chenzhou 423043, China.,Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Chenshan Lian
- Pingshan translational medicine centre, Shenzhen Bay Laboratory, Shenzhen 518118, P. R. China.,State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen 518055, China
| | - Huilong Fang
- Department of Pathogenic Biology and Immunology, Xiangnan University, Chenzhou 423043, China
| | - Qinhong Luo
- Department of Pharmacy, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen 518035, China.,Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, China.,Department of Pathogenic Biology and Immunology, Xiangnan University, Chenzhou 423043, China
| | - Junrong Huang
- Department of Pharmacy, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen 518035, China
| | - Min Yang
- Department of Pharmacy, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen 518035, China
| | - Heng Yang
- Department of Pharmacy, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen 518035, China.,Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, China.,Department of Pathogenic Biology and Immunology, Xiangnan University, Chenzhou 423043, China
| | - Lizhi Zhu
- Department of Pharmacy, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen 518035, China.,Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, China.,Department of Pathogenic Biology and Immunology, Xiangnan University, Chenzhou 423043, China
| | - Jinqiang Zhang
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Feng Yin
- Pingshan translational medicine centre, Shenzhen Bay Laboratory, Shenzhen 518118, P. R. China.,State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen 518055, China
| | - Zigang Li
- Pingshan translational medicine centre, Shenzhen Bay Laboratory, Shenzhen 518118, P. R. China.,State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen 518055, China
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22
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Abstract
Azapeptides undergo on-resin, late-stage N-alkylations to install side chains with high chemoselectivity for the hydrazide nitrogen atoms. The major product is the N1-alkylated "azapeptoid", with only small amounts (<10%) of alkylation occurring at the other aza-amino acid nitrogen (N2). Dialkylations are also possible and afford highly functionalized, disubstituted azapeptides with side chains installed on both aza-amino acid nitrogen atoms. The site-selectivity was determined using Edman degradation, MS/MS sequencing, and comparative LCMS and NMR analyses.
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Affiliation(s)
- Maxwell O Bowles
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, United States
| | - Caroline Proulx
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, United States
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23
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Li S, Pissarnitski D, Nowak T, Wleklinski M, Krska SW. Merging Late-Stage Diversification with Solid-Phase Peptide Synthesis Enabled by High-Throughput On-Resin Reaction Screening. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shasha Li
- Department of Analytical R&D, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Dmitri Pissarnitski
- Department of Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
| | - Timothy Nowak
- Department of Analytical R&D, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Michael Wleklinski
- Department of Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
| | - Shane W. Krska
- Department of Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
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24
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Benýšek J, Buša M, Rubešová P, Fanfrlík J, Lepšík M, Brynda J, Matoušková Z, Bartz U, Horn M, Gütschow M, Mareš M. Highly potent inhibitors of cathepsin K with a differently positioned cyanohydrazide warhead: structural analysis of binding mode to mature and zymogen-like enzymes. J Enzyme Inhib Med Chem 2022; 37:515-526. [PMID: 35144520 PMCID: PMC8843313 DOI: 10.1080/14756366.2021.2024527] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Cathepsin K (CatK) is a target for the treatment of osteoporosis, arthritis, and bone metastasis. Peptidomimetics with a cyanohydrazide warhead represent a new class of highly potent CatK inhibitors; however, their binding mechanism is unknown. We investigated two model cyanohydrazide inhibitors with differently positioned warheads: an azadipeptide nitrile Gü1303 and a 3-cyano-3-aza-β-amino acid Gü2602. Crystal structures of their covalent complexes were determined with mature CatK as well as a zymogen-like activation intermediate of CatK. Binding mode analysis, together with quantum chemical calculations, revealed that the extraordinary picomolar potency of Gü2602 is entropically favoured by its conformational flexibility at the nonprimed-primed subsites boundary. Furthermore, we demonstrated by live cell imaging that cyanohydrazides effectively target mature CatK in osteosarcoma cells. Cyanohydrazides also suppressed the maturation of CatK by inhibiting the autoactivation of the CatK zymogen. Our results provide structural insights for the rational design of cyanohydrazide inhibitors of CatK as potential drugs.
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Affiliation(s)
- Jakub Benýšek
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic.,First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Michal Buša
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic.,Department of Biochemistry, Faculty of Science, Charles University, Prague, Czech Republic
| | - Petra Rubešová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Jindřich Fanfrlík
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Martin Lepšík
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Jiří Brynda
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Zuzana Matoušková
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Ulrike Bartz
- Department of Natural Sciences, University of Applied Sciences Bonn-Rhein-Sieg, Rheinbach, Germany
| | - Martin Horn
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Michael Gütschow
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, Germany
| | - Michael Mareš
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
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25
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Szefczyk M, Ożga K, Drewniak-Świtalska M, Rudzińska-Szostak E, Hołubowicz R, Ożyhar A, Berlicki Ł. Controlling the conformational stability of coiled-coil peptides with a single stereogenic center of a peripheral β-amino acid residue. RSC Adv 2022; 12:4640-4647. [PMID: 35425498 PMCID: PMC8981378 DOI: 10.1039/d2ra00111j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/31/2022] [Indexed: 11/21/2022] Open
Abstract
The key issue in the research on foldamers remains the understanding of the relationship between the monomers structure and conformational properties at the oligomer level. In peptidomimetic foldamers, the main goal of which is to mimic the structure of proteins, a main challenge is still better understanding of the folding of peptides and the factors that influence their conformational stability. We probed the impact of the modification of the peptide periphery with trans- and cis-2-aminocyclopentanecarboxylic acid (ACPC) on the structure and stability of the model coiled-coil using circular dichroism (CD), analytical ultracentrifugation (AUC) and two-dimensional nuclear magnetic resonance spectroscopy (2D NMR). Although, trans-ACPC and cis-ACPC-containing mutants differ by only one peripheral stereogenic center, their conformational stability is strikingly different.
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Affiliation(s)
- Monika Szefczyk
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
| | - Katarzyna Ożga
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
| | - Magda Drewniak-Świtalska
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
| | - Ewa Rudzińska-Szostak
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
| | - Rafał Hołubowicz
- Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
| | - Andrzej Ożyhar
- Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
| | - Łukasz Berlicki
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wroclaw Poland
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26
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Lubell WD, Hamdane Y, Poupart J. N-Amino-imidazol-2-one (Nai) Residues as Tools for Peptide Mimicry: Synthesis, Conformational Analysis and Biomedical Applications. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/s-0040-1719862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Abstract
N-Amino-imidazol-2-one (Nai) residues are tools for studying peptide-backbone and side-chain conformation and function. Recent methods for substituted Nai residue synthesis, conformational analysis by X-ray crystallography and computation, and biomedical applications are reviewed, demonstrating the utility of this constrained residue to favor biologically active turn conformers with defined χ-dihedral angle orientations.1 Introduction2 Synthetic Methods3 Conformational Analysis4 Biomedical Applications5 Conclusions
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27
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Zheng L, Zhuo X, Wang Y, Zou X, Zhong Y, Guo W. Photocatalytic cross-dehydrogenative coupling reaction toward the synthesis of N, N-disubstituted hydrazides and their bromides. Org Chem Front 2022. [DOI: 10.1039/d2qo00253a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
An efficient strategy for the divergent synthesis of N,N-disubstituted hydrazides and their bromides is reported through photoredox-catalytic cross-dehydrogenative coupling of N,N-disubstituted hydrazines and aldehydes.
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Affiliation(s)
- Lvyin Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xiaoya Zhuo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Yihan Wang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xiaoying Zou
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Yumei Zhong
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Wei Guo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
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28
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Godbe JM, Freeman R, Lewis JA, Sasselli IR, Sangji MH, Stupp SI. Hydrogen Bonding Stiffens Peptide Amphiphile Supramolecular Filaments by Aza-Glycine Residues. Acta Biomater 2021; 135:87-99. [PMID: 34481055 DOI: 10.1016/j.actbio.2021.08.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 12/30/2022]
Abstract
Peptide amphiphiles (PAs) are a class of molecules comprised of short amino acid sequences conjugated to hydrophobic moieties that may exhibit self-assembly in water into supramolecular structures. We investigate here how mechanical properties of hydrogels formed by PA supramolecular nanofibers are affected by hydrogen bond densities within their internal structure by substituting glycine for aza-glycine (azaG) residues. We found that increasing the number of PA molecules that contain azaG up to 5 mol% in PA supramolecular nanofibers increases their persistence length fivefold and decreases their diffusion coefficients as measured by fluorescence recovery after photobleaching. When these PAs are used to create hydrogels, their bulk storage modulus (G') was found to increase as azaG PA content in the supramolecular assemblies increases up to a value of 10 mol% and beyond this value a decrease was observed, likely due to diminished levels of nanofiber entanglement in the hydrogels as a direct result of increased supramolecular rigidity. Interestingly, we found that the bioactivity of the scaffolds toward dopaminergic neurons derived from induced pluripotent stem cells can be enhanced directly by persistence length independently of storage modulus. We hypothesize that this is due to interactions between the cells and the extracellular environment across different size scales: from filopodia adhering to individual nanofiber bundles to cell adhesion sites that interact with the hydrogel as a bulk substrate. Fine tuning of hydrogen bond density in self-assembling peptide biomaterials such as PAs provides an approach to control nanoscale stiffness as part of an overall strategy to optimize bioactivity in these supramolecular systems. supramolecular biomaterials. STATEMENT OF SIGNIFICANCE: Hydrogen bonding is an important driving force for the self-assembly of peptides in both biological and artificial systems. Here, we increase the amount of hydrogen bonding within self-assembled peptide amphiphile (PA) nanofibers by substituting glycine for an aza-glycine (azaG). We show that increasing the molar concentration of azaG increases the internal order of individual nanofibers and increases their persistence length. We also show that these changes are sufficient to increase survival and tyrosine hydroxylase expression in induced pluripotent stem cell-derived dopaminergic neurons cultured in 3D gels made of these materials. Our strategy of tuning the number of hydrogen bonds in a supramolecular assembly provides mechanical customization for 3D cell culture and tissue engineering.
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Affiliation(s)
- Jacqueline M Godbe
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 E. Superior St, Chicago, Illinois 60611, United States; Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ronit Freeman
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 E. Superior St, Chicago, Illinois 60611, United States
| | - Jacob A Lewis
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 E. Superior St, Chicago, Illinois 60611, United States; Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ivan R Sasselli
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - M Hussain Sangji
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Samuel I Stupp
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 E. Superior St, Chicago, Illinois 60611, United States; Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States; Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States; Department of Medicine, Northwestern University, 676 N St Clair St Suite 1600, Chicago, IL 60611, United States; Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, Illinois 60208, United States.
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29
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Gagné-Monfette W, Vincent-Rocan JF, Lutes OC, O'Keefe GF, Jeanneret ADM, Blanger C, Ivanovich RA, Beauchemin AM. Investigation of Masked N-Acyl-N-isocyanates: Support for Oxadiazolones as Blocked N-Isocyanate Precursors. Chemistry 2021; 27:14051-14056. [PMID: 34406683 DOI: 10.1002/chem.202102301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Indexed: 11/07/2022]
Abstract
In contrast to carbon-substituted isocyanates that are common building blocks, N-substituted isocyanates remain underdeveloped and reports on their N-acyl derivatives (i. e. amido-isocyanates) are exceedingly rare. Herein, amido-isocyanates were investigated in the context of syntheses of aza-tripeptide and hydantoins subunits starting from simple bench-stable precursors. A key finding is that the amido-isocyanate formed in situ cyclized to yield an oxadiazolone, and that under suitable reaction conditions this heterocycle is a traceless blocked (masked) N-isocyanate. Using organic bases as catalysts and upon heating, oxadiazolone formation is observed, and various nucleophiles to provide the desired aza-dipeptides or hydantoins in moderate to high yields. Further support for an amido-isocyanate intermediate was obtained using carboxylic acids as nucleophiles, affording N-acylhydrazide products.
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Affiliation(s)
- William Gagné-Monfette
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - Jean-François Vincent-Rocan
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - Owen C Lutes
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - Geneviève F O'Keefe
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - Alexandria D M Jeanneret
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - Claire Blanger
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - Ryan A Ivanovich
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
| | - André M Beauchemin
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON K1N 6N5, Canada
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30
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Lesma J, Bizet F, Berardet C, Tonali N, Pellegrino S, Taverna M, Khemtemourian L, Soulier JL, van Heijenoort C, Halgand F, Ha-Duong T, Kaffy J, Ongeri S. β-Hairpin Peptide Mimics Decrease Human Islet Amyloid Polypeptide (hIAPP) Aggregation. Front Cell Dev Biol 2021; 9:729001. [PMID: 34604227 PMCID: PMC8481668 DOI: 10.3389/fcell.2021.729001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 08/23/2021] [Indexed: 11/17/2022] Open
Abstract
Amyloid diseases are degenerative pathologies, highly prevalent today because they are closely related to aging, that have in common the erroneous folding of intrinsically disordered proteins (IDPs) which aggregate and lead to cell death. Type 2 Diabetes involves a peptide called human islet amyloid polypeptide (hIAPP), which undergoes a conformational change, triggering the aggregation process leading to amyloid aggregates and fibers rich in β-sheets mainly found in the pancreas of all diabetic patients. Inhibiting the aggregation of amyloid proteins has emerged as a relevant therapeutic approach and we have recently developed the design of acyclic flexible hairpins based on peptidic recognition sequences of the amyloid β peptide (Aβ1–42) as a successful strategy to inhibit its aggregation involved in Alzheimer’s disease. The present work reports the extension of our strategy to hIAPP aggregation inhibitors. The design, synthesis, conformational analyses, and biophysical evaluations of dynamic β-hairpin like structures built on a piperidine-pyrrolidine β-turn inducer are described. By linking to this β-turn inducer three different arms (i) pentapeptide, (ii) tripeptide, and (iii) α/aza/aza/pseudotripeptide, we demonstrate that the careful selection of the peptide-based arms from the sequence of hIAPP allowed to selectively modulate its aggregation, while the peptide character can be decreased. Biophysical assays combining, Thioflavin-T fluorescence, transmission electronic microscopy, capillary electrophoresis, and mass spectrometry showed that the designed compounds inhibit both the oligomerization and the fibrillization of hIAPP. They are also capable to decrease the aggregation process in the presence of membrane models and to strongly delay the membrane-leakage induced by hIAPP. More generally, this work provides the proof of concept that our rational design is a versatile and relevant strategy for developing efficient and selective inhibitors of aggregation of amyloidogenic proteins.
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Affiliation(s)
- Jacopo Lesma
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Faustine Bizet
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Corentin Berardet
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France.,Institute Galien Paris-Saclay, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Nicolo Tonali
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Sara Pellegrino
- DISFARM, Sezione di Chimica Generale e Organica "A. Marchesini," Università degli Studi di Milano, Milan, Italy
| | - Myriam Taverna
- Institute Galien Paris-Saclay, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Lucie Khemtemourian
- Institute of Chemistry and Biology of Membranes and Nanoobjects, Institut Polytechnique Bordeaux, CNRS UMR 5248, Université de Bordeaux, Pessac, France
| | | | - Carine van Heijenoort
- ICSN, Equipe Biologie et Chimie Structurales, Département de Chimie et Biologie Structurales et Analytiques, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Frédéric Halgand
- Institut de Chimie Physique, Equipe Chimie Analytique Physicochimie Réactivité des Ions, CNRS, Université Paris-Saclay, Orsay, France
| | - Tâp Ha-Duong
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Julia Kaffy
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
| | - Sandrine Ongeri
- BioCIS, CNRS, Université Paris-Saclay, Châtenay-Malabry, France
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31
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Abdildinova A, Kurth MJ, Gong Y. Solid‐Phase Synthesis of Peptidomimetics with Peptide Backbone Modifications. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100264] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Aizhan Abdildinova
- Innovative Drug Library Research Center Department of Chemistry College of Science Dongguk University 26, 3-ga, Pil-dong, Jung-gu Seoul 04620 Korea
| | - Mark J. Kurth
- Department of Chemistry University of California Davis CA 95616 USA
| | - Young‐Dae Gong
- Innovative Drug Library Research Center Department of Chemistry College of Science Dongguk University 26, 3-ga, Pil-dong, Jung-gu Seoul 04620 Korea
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32
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Ohm RG, Mulumba M, Chingle RM, Ahsanullah, Zhang J, Chemtob S, Ong H, Lubell WD. Diversity-Oriented A 3-Macrocyclization for Studying Influences of Ring-Size and Shape of Cyclic Peptides: CD36 Receptor Modulators. J Med Chem 2021; 64:9365-9380. [PMID: 34161728 DOI: 10.1021/acs.jmedchem.1c00642] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cyclic peptide diversity has been broadened by elaborating the A3-macrocyclization to include various di-amino carboxylate components with different Nε-amine substituents. Triple-bond reduction provided new cyclic peptide macrocycles with Z-olefin and completely saturated structures. Moreover, cyclic azasulfurylpeptides were prepared by exchanging the propargylglycine (Pra) component for an amino sulfamide surrogate. Examination of such diversity-oriented methods on potent cyclic azapeptide modulators of the cluster of differentiation 36 receptor (CD36) identified the importance of the triple bond as well as the Nε-allyl lysine and azaPra residues for high CD36 binding affinity. Cyclic azapeptides which engaged CD36 effectively reduced pro-inflammatory nitric oxide and downstream cytokine and chemokine production in macrophages stimulated with a Toll-like receptor-2 agonist. Studying the triple bond and amine components in the multiple-component A3-macrocyclization has given a diverse array of macrocycles and pertinent information to guide the development of ideal CD36 modulators with biomedical potential for curbing macrophage-driven inflammation.
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Affiliation(s)
- Ragnhild G Ohm
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Mukandila Mulumba
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Ramesh M Chingle
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Ahsanullah
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Jinqiang Zhang
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Sylvain Chemtob
- Département de Pédiatrie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Huy Ong
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - William D Lubell
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale, Centre-Ville, Montréal, Québec H3C 3J7, Canada
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33
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Baruah K, Sahariah B, Sakpal SS, Deka JKR, Bar AK, Bagchi S, Sarma BK. Stabilization of Azapeptides by N amide···H-N amide Hydrogen Bonds. Org Lett 2021; 23:4949-4954. [PMID: 34060858 DOI: 10.1021/acs.orglett.1c01111] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
An unusual Namide···H-Namide hydrogen bond (HB) was previously proposed to stabilize the azapeptide β-turns. Herein we provide experimental evidence for the Namide···H-Namide HB and show that this HB endows a stabilization of 1-3 kcal·mol-1 and enforces the trans-cis-trans (t-c-t) and cis-cis-trans (c-c-t) amide bond conformations in azapeptides and N-methyl-azapeptides, respectively. Our results indicate that these Namide···H-Namide HBs can have stabilizing contributions even in short azapeptides that cannot fold to form β-turns.
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Affiliation(s)
- Kalpita Baruah
- Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Dadri, Uttar Pradesh 201314, India
| | - Biswajit Sahariah
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, Karnataka 560064, India
| | - Sushil S Sakpal
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra 411008, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Jugal Kishore Rai Deka
- Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Dadri, Uttar Pradesh 201314, India
| | - Arun Kumar Bar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, Andhra Pradesh 501507, India
| | - Sayan Bagchi
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Maharashtra 411008, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Bani Kanta Sarma
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, Karnataka 560064, India
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34
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Bucci R, Foschi F, Loro C, Erba E, Gelmi ML, Pellegrino S. Fishing in the Toolbox of Cyclic Turn Mimics: a Literature Overview of the Last Decade. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100244] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Raffaella Bucci
- Dipartimento di Scienze farmaceutiche,DISFARM Università degli Studi di Milano Via Venezian 21 Milano 20133 Italy
| | - Francesca Foschi
- Dipartimento di Scienze e Alta Tecnologie,DiSAT Università degli Studi dell'Insubria Via Valleggio 9 Como 20100 Italy
| | - Camilla Loro
- Dipartimento di Scienze e Alta Tecnologie,DiSAT Università degli Studi dell'Insubria Via Valleggio 9 Como 20100 Italy
| | - Emanuela Erba
- Dipartimento di Scienze farmaceutiche,DISFARM Università degli Studi di Milano Via Venezian 21 Milano 20133 Italy
| | - Maria Luisa Gelmi
- Dipartimento di Scienze farmaceutiche,DISFARM Università degli Studi di Milano Via Venezian 21 Milano 20133 Italy
| | - Sara Pellegrino
- Dipartimento di Scienze farmaceutiche,DISFARM Università degli Studi di Milano Via Venezian 21 Milano 20133 Italy
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35
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Bowles M, Proulx C. Solid phase submonomer azapeptide synthesis. Methods Enzymol 2021; 656:169-190. [PMID: 34325786 DOI: 10.1016/bs.mie.2021.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Azapeptides contain at least one aza-amino acid, where the α-carbon has been replaced by a nitrogen atom, and have found broad applicability in fields ranging from medicinal chemistry to biomaterials. In this chapter, we provide a step-by-step protocol for the solid phase submonomer synthesis of azapeptides, which includes three steps: (1) hydrazone activation and coupling onto a resin-bound peptide, (2) chemoselective semicarbazone functionalization for installation of the aza-amino acid side chain, and (3) orthogonal deprotection of the semicarbazone to complete the monomer addition cycle. We focus on semicarbazone functionalization by N-alkylation with primary alkyl halides, and describe conditions for coupling onto aza-amino acids. Such divergent methods accelerate the synthesis of peptidomimetics and allow the rapid introduction of a wide variety of natural and unnatural side chains directly on solid support using easily accessible submonomers.
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Affiliation(s)
- Maxwell Bowles
- Department of Chemistry, North Carolina State University, Raleigh, NC, United States
| | - Caroline Proulx
- Department of Chemistry, North Carolina State University, Raleigh, NC, United States.
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36
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Deka JKR, Sahariah B, Sakpal SS, Bar AK, Bagchi S, Sarma BK. Evidence of an n N(amide) → π* Ar Interaction in N-Alkyl- N, N'-diacylhydrazines. Org Lett 2021; 23:7003-7007. [PMID: 33973795 DOI: 10.1021/acs.orglett.1c00834] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
1,2-Dibenzoyl-1-tert-butylhydrazine (RH-5849) and related N-alkyl-N,N'-diacylhydrazines are environmentally benign insect growth regulators. Herein, we show that an unusual nN(amide) → π*Ar interaction mediated by a hydrazide amide nitrogen atom plays a crucial role in stabilizing their biologically active trans-cis (t-c) rotameric conformations. We provide NMR and IR spectroscopic evidence for the presence of these interactions, which is also supported by X-ray crystallographic and computational studies.
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Affiliation(s)
- Jugal Kishore Rai Deka
- Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Dadri, Uttar Pradesh 201314, India
| | - Biswajit Sahariah
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore 560064, India
| | - Sushil S Sakpal
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, Maharashtra, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Arun Kumar Bar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 501507, India
| | - Sayan Bagchi
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, Maharashtra, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Bani Kanta Sarma
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore 560064, India
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37
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Hamdane Y, Chauhan PS, Vutla S, Mulumba M, Ong H, Lubell WD. 5-Substituted N-Aminoimidazolone Peptide Mimic Synthesis by Organocatalyzed Reactions of Azopeptides and Use in the Analysis of Biologically Active Backbone and Side-Chain Topology. Org Lett 2021; 23:3491-3495. [PMID: 33886343 DOI: 10.1021/acs.orglett.1c00936] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Fifteen N-aminoimidazolone (Nai) dipeptides having a variety of 5-position side-chain groups were synthesized by regioselective proline-catalyzed reactions of azopeptide and aldehyde components followed by acid-mediated dehydration of an aza-aspartate semialdehyde intermediate. The introduction of 5-aryl-Nai dipeptides into cluster of differentiation 36 receptor (CD36) peptide ligands has provided insight into the conformation responsible for binding affinity and anti-inflammatory activity.
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38
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39
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Jílková A, Horn M, Fanfrlík J, Küppers J, Pachl P, Řezáčová P, Lepšík M, Fajtová P, Rubešová P, Chanová M, Caffrey CR, Gütschow M, Mareš M. Azanitrile Inhibitors of the SmCB1 Protease Target Are Lethal to Schistosoma mansoni: Structural and Mechanistic Insights into Chemotype Reactivity. ACS Infect Dis 2021; 7:189-201. [PMID: 33301315 PMCID: PMC7802074 DOI: 10.1021/acsinfecdis.0c00644] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
![]()
Azapeptide
nitriles are postulated to reversibly covalently react
with the active-site cysteine residue of cysteine proteases and form
isothiosemicarbazide adducts. We investigated the interaction of azadipeptide
nitriles with the cathepsin B1 drug target (SmCB1) from Schistosoma
mansoni, a pathogen that causes the global neglected disease
schistosomiasis. Azadipeptide nitriles were superior inhibitors of
SmCB1 over their parent carba analogs. We determined the crystal structure
of SmCB1 in complex with an azadipeptide nitrile and analyzed the
reaction mechanism using quantum chemical calculations. The data demonstrate
that azadipeptide nitriles, in contrast to their carba counterparts,
undergo a change from E- to Z-configuration
upon binding, which gives rise to a highly favorable energy profile
of noncovalent and covalent complex formation. Finally, azadipeptide
nitriles were considerably more lethal than their carba analogs against
the schistosome pathogen in culture, supporting the further development
of this chemotype as a treatment for schistosomiasis.
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Affiliation(s)
- Adéla Jílková
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Martin Horn
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Jindřich Fanfrlík
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Jim Küppers
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Petr Pachl
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Pavlína Řezáčová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Martin Lepšík
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Pavla Fajtová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Petra Rubešová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
| | - Marta Chanová
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Studničkova 2028/7, 12800 Prague 2, Czech Republic
| | - Conor R. Caffrey
- Center for Discovery and Innovation in Parasitic Diseases (CDIPD), Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Michael Gütschow
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Michael Mareš
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 2, 16610 Prague 6, Czech Republic
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40
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Miyata K, Narita A, Fujisawa R, Roppongi M, Ito S, Shingo T, Oba T. Synthesis of boronophenylalanine-like aza-amino acids for boron-containing azapeptide precursors. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152585] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Dai C, Wang F, Zhang D, Xu L, Xia X, Zhang J. Synthesis and Biological Evaluation of N-Aminoimidazolidin-2-one-Containing Angiotensin-(1-7) Peptidomimetics. Org Lett 2020; 22:8475-8479. [PMID: 33104369 DOI: 10.1021/acs.orglett.0c03070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
N-Aminoimidazolidin-2-one (Aid)-containing peptides with a constrained backbone present a novel class of peptidomimetics for drug discovery. The introduction of Aid residues into peptide sequences has been achieved by intramolecular Mitsunobu cyclization of a serine side chain onto the α-NH of an aza-glycine residue. The effectiveness of this new strategy was demonstrated by synthesizing six Aid-containing analogues of angiotensin-(1-7) on solid support. The Aid analogues of angiotensin-(1-7) exhibited increased peptidase stability against human ACE and DPP3 and improved anti-inflammation and antiproliferation activity.
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Affiliation(s)
- Chuan Dai
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Fang Wang
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Dandan Zhang
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Lei Xu
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Xuefeng Xia
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Jinqiang Zhang
- Innovative Drug Research Centre (IDRC), Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
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42
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Chu W, Prodromou R, Day KN, Schneible JD, Bacon KB, Bowen JD, Kilgore RE, Catella CM, Moore BD, Mabe MD, Alashoor K, Xu Y, Xiao Y, Menegatti S. Peptides and pseudopeptide ligands: a powerful toolbox for the affinity purification of current and next-generation biotherapeutics. J Chromatogr A 2020; 1635:461632. [PMID: 33333349 DOI: 10.1016/j.chroma.2020.461632] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 02/08/2023]
Abstract
Following the consolidation of therapeutic proteins in the fight against cancer, autoimmune, and neurodegenerative diseases, recent advancements in biochemistry and biotechnology have introduced a host of next-generation biotherapeutics, such as CRISPR-Cas nucleases, stem and car-T cells, and viral vectors for gene therapy. With these drugs entering the clinical pipeline, a new challenge lies ahead: how to manufacture large quantities of high-purity biotherapeutics that meet the growing demand by clinics and biotech companies worldwide. The protein ligands employed by the industry are inadequate to confront this challenge: while featuring high binding affinity and selectivity, these ligands require laborious engineering and expensive manufacturing, are prone to biochemical degradation, and pose safety concerns related to their bacterial origin. Peptides and pseudopeptides make excellent candidates to form a new cohort of ligands for the purification of next-generation biotherapeutics. Peptide-based ligands feature excellent target biorecognition, low or no toxicity and immunogenicity, and can be manufactured affordably at large scale. This work presents a comprehensive and systematic review of the literature on peptide-based ligands and their use in the affinity purification of established and upcoming biological drugs. A comparative analysis is first presented on peptide engineering principles, the development of ligands targeting different biomolecular targets, and the promises and challenges connected to the industrial implementation of peptide ligands. The reviewed literature is organized in (i) conventional (α-)peptides targeting antibodies and other therapeutic proteins, gene therapy products, and therapeutic cells; (ii) cyclic peptides and pseudo-peptides for protein purification and capture of viral and bacterial pathogens; and (iii) the forefront of peptide mimetics, such as β-/γ-peptides, peptoids, foldamers, and stimuli-responsive peptides for advanced processing of biologics.
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Affiliation(s)
- Wenning Chu
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Raphael Prodromou
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Kevin N Day
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - John D Schneible
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Kaitlyn B Bacon
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - John D Bowen
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Ryan E Kilgore
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Carly M Catella
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Brandyn D Moore
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Matthew D Mabe
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Kawthar Alashoor
- Department of Biochemistry and Biophysics, University of Rochester, Rochester, NY 14642
| | - Yiman Xu
- College of Material Science and Engineering, Donghua University, 201620 Shanghai, People's Republic of China
| | - Yuanxin Xiao
- College of Textile, Donghua University, Songjiang District, Shanghai, 201620, People's Republic of China
| | - Stefano Menegatti
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606.
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43
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Chauhan PS, Brettell S, Ramakotaiah M, Diarra S, Nguyen AMT, Wei X, Hamdane Y, Yongo-Luwawa CD, Lubell WD. Hydrazine derivative synthesis by trifluoroacetyl hydrazide alkylation. CAN J CHEM 2020. [DOI: 10.1139/cjc-2020-0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
N′-Alkyl hydrazides were effectively synthesized by routes featuring installation, alkylation, and removal of a trifluoroacetyl group. A set of amino acid derived hydrazides were acylated using trifluoroacetic anhydride, and the resulting trifluoroacetyl hydrazides were alkylated with alcohols in Mitsunobu reactions and with alkyl halides under alkaline conditions. Removal of the trifluoroacetyl group was affected under reductive and hydrolytic conditions to provide the respective N′-alkyl hydrazides. This three-step process may be performed without isolation of intermediates to yield N′-alkyl hydrazide after a single chromatographic purification.
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Affiliation(s)
- Pradeep S. Chauhan
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Skye Brettell
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Mulamreddy Ramakotaiah
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Sitan Diarra
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Anh Minh Thao Nguyen
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Xiaozheng Wei
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Yousra Hamdane
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Charity Deborah Yongo-Luwawa
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - William D. Lubell
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada
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44
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Proulx C, Zhang J, Sabatino D, Chemtob S, Ong H, Lubell WD. Synthesis and Biomedical Potential of Azapeptide Modulators of the Cluster of Differentiation 36 Receptor (CD36). Biomedicines 2020; 8:biomedicines8080241. [PMID: 32717955 PMCID: PMC7459725 DOI: 10.3390/biomedicines8080241] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/15/2020] [Accepted: 07/17/2020] [Indexed: 12/14/2022] Open
Abstract
The innovative development of azapeptide analogues of growth hormone releasing peptide-6 (GHRP-6) has produced selective modulators of the cluster of differentiation 36 receptor (CD36). The azapeptide CD36 modulators curb macrophage-driven inflammation and mitigate atherosclerotic and angiogenic pathology. In macrophages activated with Toll-like receptor-2 heterodimer agonist, they reduced nitric oxide production and proinflammatory cytokine release. In a mouse choroidal explant microvascular sprouting model, they inhibited neovascularization. In murine models of cardiovascular injury, CD36-selective azapeptide modulators exhibited cardioprotective and anti-atherosclerotic effects. In subretinal inflammation models, they altered activated mononuclear phagocyte metabolism and decreased immune responses to alleviate subsequent inflammation-dependent neuronal injury associated with retinitis pigmentosa, diabetic retinopathy and age-related macular degeneration. The translation of GHRP-6 to potent and selective linear and cyclic azapeptide modulators of CD36 is outlined in this review which highlights the relevance of turn geometry for activity and the biomedical potential of prototypes for the beneficial treatment of a wide range of cardiovascular, metabolic and immunological disorders.
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Affiliation(s)
- Caroline Proulx
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA;
| | - Jinqiang Zhang
- Innovative Drug Research Centre, Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China;
| | - David Sabatino
- Department of Chemistry and Biochemistry, Seton Hall University, 400 South Orange Ave, South Orange, NJ 07079, USA;
| | - Sylvain Chemtob
- Département d’Ophtalmologie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada;
| | - Huy Ong
- Faculté de Pharmacie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada;
| | - William D. Lubell
- Département de Chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
- Correspondence:
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Melton SD, Brackhahn EAE, Orlin SJ, Jin P, Chenoweth DM. Rules for the design of aza-glycine stabilized triple-helical collagen peptides. Chem Sci 2020; 11:10638-10646. [PMID: 34094319 PMCID: PMC8162259 DOI: 10.1039/d0sc03003a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The stability of the triple-helical structure of collagen is modulated by a delicate balance of effects including polypeptide backbone geometry, a buried hydrogen bond network, dispersive interfacial interactions, and subtle stereoelectronic effects. Although the different amino acid propensities for the Xaa and Yaa positions of collagen's repeating (Glycine-Xaa-Yaa) primary structure have been described, our understanding of the impact of incorporating aza-glycine (azGly) residues adjacent to varied Xaa and Yaa position residues has been limited to specific sequences. Here, we detail the impact of variation in the Xaa position adjacent to an azGly residue and compare these results to our study on the impact of the Yaa position. For the first time, we present a set of design rules for azGly-stabilized triple-helical collagen peptides, accounting for all canonical amino acids in the Xaa and Yaa positions adjacent to an azGly residue, and extend these rules using multiple azGly residues. To gain atomic level insight into these new rules we present two high-resolution crystal structures of collagen triple helices, with the first peptoid-containing collagen peptide structure. In conjunction with biophysical and computational data, we highlight the critical importance of preserving the triple helix geometry and protecting the hydrogen bonding network proximal to the azGly residue from solvent. Our results provide a set of design guidelines for azGly-stabilized triple-helical collagen peptides and fundamental insight into collagen structure and stability.
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Affiliation(s)
- Samuel D Melton
- Department of Chemistry, University of Pennsylvania 231 South 34th Street Philadelphia Pennsylvania 19104 USA
| | - Emily A E Brackhahn
- Department of Chemistry, University of Pennsylvania 231 South 34th Street Philadelphia Pennsylvania 19104 USA
| | - Samuel J Orlin
- Department of Chemistry, University of Pennsylvania 231 South 34th Street Philadelphia Pennsylvania 19104 USA
| | - Pengfei Jin
- Department of Chemistry, University of Pennsylvania 231 South 34th Street Philadelphia Pennsylvania 19104 USA
| | - David M Chenoweth
- Department of Chemistry, University of Pennsylvania 231 South 34th Street Philadelphia Pennsylvania 19104 USA
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Frégeau G, Sarduy R, Elimam H, Esposito CL, Mellal K, Ménard L, Leitão da Graça SD, Proulx C, Zhang J, Febbraio M, Soto Y, Lubell WD, Ong H, Marleau S. Atheroprotective and atheroregressive potential of azapeptide derivatives of GHRP-6 as selective CD36 ligands in apolipoprotein E-deficient mice. Atherosclerosis 2020; 307:52-62. [PMID: 32721647 DOI: 10.1016/j.atherosclerosis.2020.06.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND AIMS Scavenger receptor class B member 3, also known as cluster of differentiation-36 (CD36) receptor, is involved in the uptake and accumulation of modified lipoprotein in macrophages, driving atherosclerosis progression. Azapeptide analogs of growth hormone-releasing peptide-6 (GHRP-6) have been developed as selective CD36 ligands and evaluated for their anti-atherosclerotic properties in apoe-/- mice. METHODS From 4 to 19 weeks of age, male apoe-/- mice were fed a high fat high cholesterol (HFHC) diet, then switched to normal chow and treated daily with 300 nmol/kg of MPE-001 ([aza-Tyr4]-GHRP-6) or MPE-003 ([aza-(N,N-diallylaminobut-2-ynyl)Gly4]-GHRP-6) for 9 weeks. In another protocol, mice were fed a HFHC diet throughout the study. RESULTS Azapeptides decreased lesion progression in the aortic arch and reduced aortic sinus lesion areas below pre-existing lesions levels in apoe-/- mice which were switched to chow diet. In mice fed a HFHC throughout the study, azapeptides reduced lesion progression in the aortic vessel and sinus. The anti-atherosclerotic effect of azapeptides was associated with a reduced ratio of iNOS+/CD206+ macrophages within lesions, and lowered plasma inflammatory cytokine levels. Monocytes from azapeptide-treated mice showed altered mitochondrial oxygen consumption rates, consistent with an M2-like phenotype. These effects were dependent on CD36, and not observed in apoe-/-cd36-/- mice. CONCLUSIONS Azapeptides MPE-001 and MPE-003 diminished aortic lesion progression and reduced, below pre-existing levels, lesions in the aortic sinus of atherosclerotic mice. A relative increase of M2-like macrophages was observed in lesions, associated with reduced systemic inflammation. Development of CD36-selective azapeptide ligands merits consideration for treating atherosclerotic disease.
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Affiliation(s)
- Geneviève Frégeau
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Roger Sarduy
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Hanan Elimam
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada; Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Cloé L Esposito
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Katia Mellal
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Liliane Ménard
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | | | - Caroline Proulx
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Jinqiang Zhang
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Maria Febbraio
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Yosdel Soto
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - William D Lubell
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Huy Ong
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Sylvie Marleau
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada.
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47
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Rykaczewski KA, Sabourin KE, Goo PJ, Griggs LH, Jain S, Reed PAM, Langenhan JM. Generation of a glycosylated asparagine residue through chemoselective acylation of a glycosylhydrazide. Carbohydr Res 2020; 493:108022. [PMID: 32516600 PMCID: PMC7325706 DOI: 10.1016/j.carres.2020.108022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/23/2020] [Accepted: 04/26/2020] [Indexed: 11/23/2022]
Abstract
Herein, we report the first selective anomeric N-acylation of a glycosylhydrazide. We show that this transformation can be harnessed to generate amino acid building blocks including FmocAsn(GlcNAc)OH (1), a residue that has been previously shown to be a competent reagent in the solid-phase peptide synthesis of N-linked glycopeptides.
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Affiliation(s)
| | - Kate E Sabourin
- Department of Chemistry, Seattle University, Seattle, WA, 98122, USA
| | - Paul J Goo
- Department of Chemistry, Seattle University, Seattle, WA, 98122, USA
| | - Lydia H Griggs
- Department of Chemistry, Seattle University, Seattle, WA, 98122, USA
| | - Saumya Jain
- Department of Chemistry, Seattle University, Seattle, WA, 98122, USA
| | - Paxton A M Reed
- Department of Chemistry, Seattle University, Seattle, WA, 98122, USA
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48
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Poupart J, Hamdane Y, Lubell WD. Synthesis of enantiomerically enriched 4,5-disubstituted N-aminoimidazol-2-one (Nai) peptide turn mimics. CAN J CHEM 2020. [DOI: 10.1139/cjc-2019-0479] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
N-Aminoimidazolone (Nai) peptide mimics were synthesized with minimal epimerization by base-promoted 5-endo-dig cyclization of aza-propargylglycine dipeptide acids and hydrazides followed by olefin migration. 5-Position functionalization using Mannich amino methylation and Vilsmeier–Haack formylation has given access to a set of restrained side chain analogs of Asp, Dab, and Hse residues for mimicry of turn form and function.
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Affiliation(s)
- Julien Poupart
- Département de Chimie, Université de Montréal, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
- Département de Chimie, Université de Montréal, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
| | - Yousra Hamdane
- Département de Chimie, Université de Montréal, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
- Département de Chimie, Université de Montréal, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
| | - William D. Lubell
- Département de Chimie, Université de Montréal, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
- Département de Chimie, Université de Montréal, Succursale Centre-Ville, Montréal, QC H3C3J7, Canada
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Shah SS, Casanova N, Antuono G, Sabatino D. Polyamide Backbone Modified Cell Targeting and Penetrating Peptides in Cancer Detection and Treatment. Front Chem 2020; 8:218. [PMID: 32296681 PMCID: PMC7136562 DOI: 10.3389/fchem.2020.00218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 03/09/2020] [Indexed: 12/15/2022] Open
Abstract
Cell penetrating and targeting peptides (CPPs and CTPs) encompass an important class of biochemically active peptides owning the capabilities of targeting and translocating within selected cell types. As such, they have been widely used in the delivery of imaging and therapeutic agents for the diagnosis and treatment of various diseases, especially in cancer. Despite their potential utility, first generation CTPs and CPPs based on the native peptide sequences are limited by poor biological and pharmacological properties, thereby restricting their efficacy. Therefore, medicinal chemistry approaches have been designed and developed to construct related peptidomimetics. Of specific interest herein, are the design applications which modify the polyamide backbone of lead CTPs and CPPs. These modifications aim to improve the biochemical characteristics of the native peptide sequence in order to enhance its diagnostic and therapeutic capabilities. This review will focus on a selected set of cell penetrating and targeting peptides and their related peptidomimetics whose polyamide backbone has been modified in order to improve their applications in cancer detection and treatment.
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Affiliation(s)
- Sunil S Shah
- Department of Chemistry and Biochemistry, Seton Hall University, South Orange, NJ, United States
| | - Nelson Casanova
- Department of Chemistry and Biochemistry, Seton Hall University, South Orange, NJ, United States
| | - Gina Antuono
- Department of Chemistry and Biochemistry, Seton Hall University, South Orange, NJ, United States
| | - David Sabatino
- Department of Chemistry and Biochemistry, Seton Hall University, South Orange, NJ, United States
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Tonali N, Correia I, Lesma J, Bernadat G, Ongeri S, Lequin O. Introducing sequential aza-amino acids units induces repeated β-turns and helical conformations in peptides. Org Biomol Chem 2020; 18:3452-3458. [PMID: 32091060 DOI: 10.1039/c9ob02654a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A major current issue in medicinal chemistry is the design of small peptide analogues resistant to proteolysis and able to adopt preferential conformations, while preserving the selectivity and efficiency of natural peptides. Whereas the introduction of one aza-Gly in peptides has proven numerous biological and structural interest, the conformational effect of sequential aza-Gly or aza-amino acids bearing side chains has not been investigated. In this work, experimental NMR and X-ray data together with in silico conformational studies reveal that the introduction of two consecutive aza-amino acids in pseudotripeptides induces the formation of stable hydrogen-bonded β-turn structures. Notably, this stabilization effect relies on the presence of side chains on aza-amino acids, as more flexible conformations are observed with aza-Gly residues. Remarkably, a longer aza/aza/α/aza/aza/α pseudohexapeptide containing substituted aza-amino acids adopts repeated β-turns conformations which interconvert with a fully helical structure mimicking a 310 helix.
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Affiliation(s)
- Nicolo Tonali
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France.
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