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Giardina SF, Valdambrini E, Singh PK, Bacolod MD, Babu-Karunakaran G, Peel M, Warren JD, Barany F. Combinatorial Ubiquitination REal-time PROteolysis (CURE-PROs): A Modular Platform for Generating Reversible, Self-Assembling Bifunctional Targeted Degraders. J Med Chem 2024; 67:5473-5501. [PMID: 38554135 DOI: 10.1021/acs.jmedchem.3c02097] [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: 04/01/2024]
Abstract
Proteolysis-Targeting Chimeras (PROTACs) are bifunctional molecules that bring a target protein and an E3 ubiquitin ligase into proximity to append ubiquitin, thus directing target degradation. Although numerous PROTACs have entered clinical trials, their development remains challenging, and their large size can produce poor drug-like properties. To overcome these limitations, we have modified our Coferon platform to generate Combinatorial Ubiquitination REal-time PROteolysis (CURE-PROs). CURE-PROs are small molecule degraders designed to self-assemble through reversible bio-orthogonal linkers to form covalent heterodimers. By modifying known ligands for Cereblon, MDM2, VHL, and BRD with complementary phenylboronic acid and diol/catechol linkers, we have successfully created CURE-PROs that direct degradation of BRD4 both in vitro and in vivo. The combinatorial nature of our platform significantly reduces synthesis time and effort to identify the optimal linker length and E3 ligase partner to each target and is readily amenable to screening for new targets.
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Affiliation(s)
- Sarah F Giardina
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | - Elena Valdambrini
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | - Pradeep K Singh
- Department of Biochemistry, Weill Cornell Medicine, New York, New York 10065, United States
| | - Manny D Bacolod
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | | | - Michael Peel
- MRP Pharma LLC, Chapel Hill, North Carolina 27514, United States
| | - J David Warren
- Department of Biochemistry, Weill Cornell Medicine, New York, New York 10065, United States
| | - Francis Barany
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
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Abboud SA, Kodadek T. 2-Pyridone Formation: An Efficient Method for the Solid-Phase Synthesis of Homodimers. Chemistry 2024; 30:e202302937. [PMID: 37939246 PMCID: PMC10843674 DOI: 10.1002/chem.202302937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/09/2023] [Accepted: 11/08/2023] [Indexed: 11/10/2023]
Abstract
This study presents an efficient method for on-resin dimer generation through self-condensation of 3,3-dimethoxypropionic acid-modified molecules, resulting in 2-pyridones. The approach demonstrated remarkable versatility by producing homodimers of peptides, peptoids, and non-peptidic ligands. Its ease of application, broad utility, and mild reaction conditions not only hold significance for peptide and peptoid research but also offer potential for the on-resin development of a wide range of bivalent ligands.
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Affiliation(s)
- Skander A Abboud
- Department of Chemistry, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation and Technology, 120 Scripps Way, Jupiter, FL 33458, USA
| | - Thomas Kodadek
- Department of Chemistry, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation and Technology, 120 Scripps Way, Jupiter, FL 33458, USA
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Zhang MZ, Wang P, Liu HY, Wang D, Deng Y, Bai YH, Luo F, Wu WY, Chen T. Metal-Catalyst-Free One-Pot Aqueous Synthesis of trans-1,2-Diols from Electron-Deficient α,β-Unsaturated Amides via Epoxidation Using Oxone as a Dual Role Reagent. CHEMSUSCHEM 2023; 16:e202300583. [PMID: 37311715 DOI: 10.1002/cssc.202300583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 06/15/2023]
Abstract
In organic synthesis, incorporating two functional groups into the carbon-carbon double bond of α,β-unsaturated amides is challenging due to the electron-deficient nature of the olefin moiety. Although a few examples of dihydroxylation of α,β-unsaturated amides have been demonstrated, producing cis-1,2-diols using either highly toxic OsO4 or other specialized metal reagents in organic solvents, they are limited to several specific amides. We describe herein a general and one-pot direct synthesis of trans-1,2-diols from electron-deficient α,β-unsaturated amides through dihydroxylation using oxone as a dual-role reagent in water. This reaction does not require any metal catalyst and produces non-hazardous and nontoxic K2 SO4 as the sole byproduct. Moreover, epoxidation products could also be selectively formed by adjusting the reaction conditions. By the strategy, the intermediates of Mcl-1 inhibitor and antiallergic bioactive molecule can be synthesized in one pot. The gram-scale synthesis of trans-1,2-diol which is isolated and purified by recrystallization further shows the potential applications of this new reaction in organic synthesis.
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Affiliation(s)
- Ming-Zhong Zhang
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Ping Wang
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Hai-Yan Liu
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Dailian Wang
- College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan, 756000, China
| | - Ya Deng
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Yu-Heng Bai
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Fei Luo
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Wen-Yu Wu
- College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, 408100, China
| | - Tieqiao Chen
- College of Chemical Engineering and Technology, Hainan University, Haikou, 410082, China
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Gui W, Giardina SF, Balzarini M, Barany F, Kodadek T. Reversible Assembly of Proteolysis Targeting Chimeras. ACS Chem Biol 2023; 18:1582-1593. [PMID: 37422908 DOI: 10.1021/acschembio.3c00199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
PROteolysis TArgeting Chimeras (PROTACs) are of significant current interest for the development of probe molecules and drug leads. However, they suffer from certain limitations. PROTACs are rule-breaking molecules with sub-optimal cellular permeability, solubility, and other drug-like properties. In particular, they exhibit an unusual dose-response curve where high concentrations of the bivalent molecule inhibit degradation activity, a phenomenon known as the hook effect. This will likely complicate their use in vivo. In this study, we explore a novel approach to create PROTACs that do not exhibit a hook effect. This is achieved by equipping the target protein and E3 ubiquitin ligase ligands with functionalities that undergo rapid and reversible covalent assembly in cellulo. We report the development of Self-Assembled Proteolysis Targeting Chimeras that mediate the degradation of the Von Hippel-Lindau E3 ubiquitin ligase and do not evince a hook effect.
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Affiliation(s)
- Weijun Gui
- Department of Chemistry, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, 120 Scripps Way, Jupiter, Florida 33458, United States
| | - Sarah F Giardina
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | - Madeline Balzarini
- Department of Chemistry, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, 120 Scripps Way, Jupiter, Florida 33458, United States
| | - Francis Barany
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | - Thomas Kodadek
- Department of Chemistry, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, 120 Scripps Way, Jupiter, Florida 33458, United States
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Giardina SF, Werner DS, Pingle M, Feinberg PB, Foreman KW, Bergstrom DE, Arnold LD, Barany F. Novel, Self-Assembling Dimeric Inhibitors of Human β Tryptase. J Med Chem 2020; 63:3004-3027. [PMID: 32057241 DOI: 10.1021/acs.jmedchem.9b01689] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
β-Tryptase, a homotetrameric serine protease, has four identical active sites facing a central pore, presenting an optimized setting for the rational design of bivalent inhibitors that bridge two adjacent sites. Using diol, hydroxymethyl phenols or benzoyl methyl hydroxamates, and boronic acid chemistries to reversibly join two [3-(1-acylpiperidin-4-yl)phenyl]methanamine core ligands, we have successfully produced a series of self-assembling heterodimeric inhibitors. These heterodimeric tryptase inhibitors demonstrate superior activity compared to monomeric modes of inhibition. X-ray crystallography validated the dimeric mechanism of inhibition, and compounds demonstrated high selectivity against related proteases, good target engagement, and tryptase inhibition in HMC1 xenograft models. Screening 3872 possible combinations from 44 boronic acid and 88 diol derivatives revealed several combinations that produced nanomolar inhibition, and seven unique pairs produced greater than 100-fold improvement in potency over monomeric inhibition. These heterodimeric tryptase inhibitors demonstrate the power of target-driven combinatorial chemistry to deliver bivalent drugs in a small molecule form.
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Affiliation(s)
- Sarah F Giardina
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, Box 62, New York, New York 10065, United States
| | - Douglas S Werner
- Coferon, Inc., 25 Health Sciences Drive, Mailbox 123, Stony Brook, New York 11790, United States
| | - Maneesh Pingle
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, Box 62, New York, New York 10065, United States.,Coferon, Inc., 25 Health Sciences Drive, Mailbox 123, Stony Brook, New York 11790, United States
| | - Philip B Feinberg
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, Box 62, New York, New York 10065, United States
| | - Kenneth W Foreman
- Coferon, Inc., 25 Health Sciences Drive, Mailbox 123, Stony Brook, New York 11790, United States
| | - Donald E Bergstrom
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, 575 Stadium Mall, West Lafa-yette, Indiana 47907, United States
| | - Lee D Arnold
- Coferon, Inc., 25 Health Sciences Drive, Mailbox 123, Stony Brook, New York 11790, United States
| | - Francis Barany
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, Box 62, New York, New York 10065, United States
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