1
|
Day JEH, Berdini V, Castro J, Chessari G, Davies TG, Day PJ, St Denis JD, Fujiwara H, Fukaya S, Hamlett CCF, Hearn K, Hiscock SD, Holvey RS, Ito S, Kandola N, Kodama Y, Liebeschuetz JW, Martins V, Matsuo K, Mortenson PN, Muench S, Nakatsuru Y, Ochiiwa H, Palmer N, Peakman T, Price A, Reader M, Rees DC, Rich SJ, Shah A, Shibata Y, Smyth T, Twigg DG, Wallis NG, Williams G, Wilsher NE, Woodhead A, Shimamura T, Johnson CN. Fragment-Based Discovery of Allosteric Inhibitors of SH2 Domain-Containing Protein Tyrosine Phosphatase-2 (SHP2). J Med Chem 2024. [PMID: 38462716 DOI: 10.1021/acs.jmedchem.3c02118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
The ubiquitously expressed protein tyrosine phosphatase SHP2 is required for signaling downstream of receptor tyrosine kinases (RTKs) and plays a role in regulating many cellular processes. Genetic knockdown and pharmacological inhibition of SHP2 suppresses RAS/MAPK signaling and inhibit the proliferation of RTK-driven cancer cell lines. Here, we describe the first reported fragment-to-lead campaign against SHP2, where X-ray crystallography and biophysical techniques were used to identify fragments binding to multiple sites on SHP2. Structure-guided optimization, including several computational methods, led to the discovery of two structurally distinct series of SHP2 inhibitors binding to the previously reported allosteric tunnel binding site (Tunnel Site). One of these series was advanced to a low-nanomolar lead that inhibited tumor growth when dosed orally to mice bearing HCC827 xenografts. Furthermore, a third series of SHP2 inhibitors was discovered binding to a previously unreported site, lying at the interface of the C-terminal SH2 and catalytic domains.
Collapse
Affiliation(s)
- James E H Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Valerio Berdini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Joan Castro
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Gianni Chessari
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Thomas G Davies
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Philip J Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Jeffrey D St Denis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Hideto Fujiwara
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Satoshi Fukaya
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | | | - Keisha Hearn
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Steven D Hiscock
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Rhian S Holvey
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Satoru Ito
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - Navrohit Kandola
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Yasuo Kodama
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - John W Liebeschuetz
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Kenichi Matsuo
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - Paul N Mortenson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Sandra Muench
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Yoko Nakatsuru
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - Hiroaki Ochiiwa
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - Nicholas Palmer
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Torren Peakman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Amanda Price
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Michael Reader
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - David C Rees
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Sharna J Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Alpesh Shah
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Yoshihiro Shibata
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - Tomoko Smyth
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - David G Twigg
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Nicola G Wallis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Glyn Williams
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Nicola E Wilsher
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Andrew Woodhead
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Tadashi Shimamura
- Taiho Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
| | - Christopher N Johnson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| |
Collapse
|
2
|
Heightman TD, Berdini V, Bevan L, Buck IM, Carr MG, Courtin A, Coyle JE, Day JEH, East C, Fazal L, Griffiths-Jones CM, Howard S, Kucia-Tran J, Martins V, Muench S, Munck JM, Norton D, O'Reilly M, Palmer N, Pathuri P, Peakman TM, Reader M, Rees DC, Rich SJ, Shah A, Wallis NG, Walton H, Wilsher NE, Woolford AJA, Cooke M, Cousin D, Onions S, Shannon J, Watts J, Murray CW. Discovery of ASTX029, A Clinical Candidate Which Modulates the Phosphorylation and Catalytic Activity of ERK1/2. J Med Chem 2021; 64:12286-12303. [PMID: 34387469 DOI: 10.1021/acs.jmedchem.1c00905] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Aberrant activation of the mitogen-activated protein kinase pathway frequently drives tumor growth, and the ERK1/2 kinases are positioned at a key node in this pathway, making them important targets for therapeutic intervention. Recently, a number of ERK1/2 inhibitors have been advanced to investigational clinical trials in patients with activating mutations in B-Raf proto-oncogene or Ras. Here, we describe the discovery of the clinical candidate ASTX029 (15) through structure-guided optimization of our previously published isoindolinone lead (7). The medicinal chemistry campaign focused on addressing CYP3A4-mediated metabolism and maintaining favorable physicochemical properties. These efforts led to the identification of ASTX029, which showed the desired pharmacological profile combining ERK1/2 inhibition with suppression of phospho-ERK1/2 (pERK) levels, and in addition, it possesses suitable preclinical pharmacokinetic properties predictive of once daily dosing in humans. ASTX029 is currently in a phase I-II clinical trial in patients with advanced solid tumors.
Collapse
Affiliation(s)
- Tom D Heightman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Valerio Berdini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Luke Bevan
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Ildiko M Buck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Maria G Carr
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Aurélie Courtin
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Joseph E Coyle
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - James E H Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Charlotte East
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Lynsey Fazal
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - Steven Howard
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Justyna Kucia-Tran
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Sandra Muench
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Joanne M Munck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - David Norton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Marc O'Reilly
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Nicholas Palmer
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Puja Pathuri
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Torren M Peakman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Michael Reader
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - David C Rees
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Sharna J Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Alpesh Shah
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Nicola G Wallis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Hugh Walton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Nicola E Wilsher
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - Michael Cooke
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - David Cousin
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - Stuart Onions
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - Jonathan Shannon
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - John Watts
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | | |
Collapse
|
3
|
Johnson CN, Ahn JS, Buck IM, Chiarparin E, Day JEH, Hopkins A, Howard S, Lewis EJ, Martins V, Millemaggi A, Munck JM, Page LW, Peakman T, Reader M, Rich SJ, Saxty G, Smyth T, Thompson NT, Ward GA, Williams PA, Wilsher NE, Chessari G. A Fragment-Derived Clinical Candidate for Antagonism of X-Linked and Cellular Inhibitor of Apoptosis Proteins: 1-(6-[(4-Fluorophenyl)methyl]-5-(hydroxymethyl)-3,3-dimethyl-1H,2H,3H-pyrrolo[3,2-b]pyridin-1-yl)-2-[(2R,5R)-5-methyl-2-([(3R)-3-methylmorpholin-4-yl]methyl)piperazin-1-yl]ethan-1-one (ASTX660). J Med Chem 2018; 61:7314-7329. [DOI: 10.1021/acs.jmedchem.8b00900] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Christopher N. Johnson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Jong Sook Ahn
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Ildiko M. Buck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Elisabetta Chiarparin
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - James E. H. Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Anna Hopkins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Steven Howard
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Edward J. Lewis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Alessia Millemaggi
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Joanne M. Munck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Lee W. Page
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Torren Peakman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Michael Reader
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Sharna J. Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Gordon Saxty
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Tomoko Smyth
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Neil T. Thompson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - George A. Ward
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Pamela A. Williams
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Nicola E. Wilsher
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Gianni Chessari
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| |
Collapse
|
4
|
Heightman TD, Berdini V, Braithwaite H, Buck IM, Cassidy M, Castro J, Courtin A, Day JEH, East C, Fazal L, Graham B, Griffiths-Jones CM, Lyons JF, Martins V, Muench S, Munck JM, Norton D, O’Reilly M, Palmer N, Pathuri P, Reader M, Rees DC, Rich SJ, Richardson C, Saini H, Thompson NT, Wallis NG, Walton H, Wilsher NE, Woolford AJA, Cooke M, Cousin D, Onions S, Shannon J, Watts J, Murray CW. Fragment-Based Discovery of a Potent, Orally Bioavailable Inhibitor That Modulates the Phosphorylation and Catalytic Activity of ERK1/2. J Med Chem 2018; 61:4978-4992. [DOI: 10.1021/acs.jmedchem.8b00421] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Tom D. Heightman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Valerio Berdini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Hannah Braithwaite
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Ildiko M. Buck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Megan Cassidy
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Juan Castro
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Aurélie Courtin
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - James E. H. Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Charlotte East
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Lynsey Fazal
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Brent Graham
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | | | - John F. Lyons
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Sandra Muench
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Joanne M. Munck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - David Norton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Marc O’Reilly
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Nick Palmer
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Puja Pathuri
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Michael Reader
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - David C. Rees
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Sharna J. Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | | | - Harpreet Saini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Neil T. Thompson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Nicola G. Wallis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Hugh Walton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | - Nicola E. Wilsher
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA, U.K
| | | | - Michael Cooke
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham, NG1 1GF, U.K
| | - David Cousin
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham, NG1 1GF, U.K
| | - Stuart Onions
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham, NG1 1GF, U.K
| | - Jonathan Shannon
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham, NG1 1GF, U.K
| | - John Watts
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham, NG1 1GF, U.K
| | | |
Collapse
|
5
|
Tamanini E, Buck IM, Chessari G, Chiarparin E, Day JEH, Frederickson M, Griffiths-Jones CM, Hearn K, Heightman TD, Iqbal A, Johnson CN, Lewis EJ, Martins V, Peakman T, Reader M, Rich SJ, Ward GA, Williams PA, Wilsher NE. Discovery of a Potent Nonpeptidomimetic, Small-Molecule Antagonist of Cellular Inhibitor of Apoptosis Protein 1 (cIAP1) and X-Linked Inhibitor of Apoptosis Protein (XIAP). J Med Chem 2017; 60:4611-4625. [DOI: 10.1021/acs.jmedchem.6b01877] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Emiliano Tamanini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Ildiko M. Buck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Gianni Chessari
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Elisabetta Chiarparin
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - James E. H. Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Martyn Frederickson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | | | - Keisha Hearn
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Tom D. Heightman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Aman Iqbal
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | | | - Edward J. Lewis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Torren Peakman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Michael Reader
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Sharna J. Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - George A. Ward
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Pamela A. Williams
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| | - Nicola E. Wilsher
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton
Road, Cambridge CB4 0QA, U.K
| |
Collapse
|
6
|
Chessari G, Buck IM, Day JEH, Day PJ, Iqbal A, Johnson CN, Lewis EJ, Martins V, Miller D, Reader M, Rees DC, Rich SJ, Tamanini E, Vitorino M, Ward GA, Williams PA, Williams G, Wilsher NE, Woolford AJA. Fragment-Based Drug Discovery Targeting Inhibitor of Apoptosis Proteins: Discovery of a Non-Alanine Lead Series with Dual Activity Against cIAP1 and XIAP. J Med Chem 2015. [PMID: 26218264 DOI: 10.1021/acs.jmedchem.5b00706] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Inhibitor of apoptosis proteins (IAPs) are important regulators of apoptosis and pro-survival signaling pathways whose deregulation is often associated with tumor genesis and tumor growth. IAPs have been proposed as targets for anticancer therapy, and a number of peptidomimetic IAP antagonists have entered clinical trials. Using our fragment-based screening approach, we identified nonpeptidic fragments binding with millimolar affinities to both cellular inhibitor of apoptosis protein 1 (cIAP1) and X-linked inhibitor of apoptosis protein (XIAP). Structure-based hit optimization together with an analysis of protein-ligand electrostatic potential complementarity allowed us to significantly increase binding affinity of the starting hits. Subsequent optimization gave a potent nonalanine IAP antagonist structurally distinct from all IAP antagonists previously reported. The lead compound had activity in cell-based assays and in a mouse xenograft efficacy model and represents a highly promising start point for further optimization.
Collapse
Affiliation(s)
- Gianni Chessari
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Ildiko M Buck
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - James E H Day
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Philip J Day
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Aman Iqbal
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Christopher N Johnson
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Edward J Lewis
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Vanessa Martins
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Darcey Miller
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Michael Reader
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - David C Rees
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Sharna J Rich
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Emiliano Tamanini
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Marc Vitorino
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - George A Ward
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Pamela A Williams
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Glyn Williams
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Nicola E Wilsher
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| | - Alison J-A Woolford
- Astex Pharmaceuticals , 436 Cambridge Science Park, Milton Road, Cambridge, CB4 0QA, United Kingdom
| |
Collapse
|
7
|
Murray CW, Berdini V, Buck IM, Carr ME, Cleasby A, Coyle JE, Curry JE, Day JEH, Day PJ, Hearn K, Iqbal A, Lee LYW, Martins V, Mortenson PN, Munck JM, Page LW, Patel S, Roomans S, Smith K, Tamanini E, Saxty G. Fragment-Based Discovery of Potent and Selective DDR1/2 Inhibitors. ACS Med Chem Lett 2015; 6:798-803. [PMID: 26191369 DOI: 10.1021/acsmedchemlett.5b00143] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 06/04/2015] [Indexed: 12/24/2022] Open
Abstract
The DDR1 and DDR2 receptor tyrosine kinases are activated by extracellular collagen and have been implicated in a number of human diseases including cancer. We performed a fragment-based screen against DDR1 and identified fragments that bound either at the hinge or in the back pocket associated with the DFG-out conformation of the kinase. Modeling based on crystal structures of potent kinase inhibitors facilitated the "back-to-front" design of potent DDR1/2 inhibitors that incorporated one of the DFG-out fragments. Further optimization led to low nanomolar, orally bioavailable inhibitors that were selective for DDR1 and DDR2. The inhibitors were shown to potently inhibit DDR2 activity in cells but in contrast to unselective inhibitors such as dasatinib, they did not inhibit proliferation of mutant DDR2 lung SCC cell lines.
Collapse
Affiliation(s)
- Christopher W. Murray
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Valerio Berdini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Ildiko M. Buck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Maria E. Carr
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Anne Cleasby
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Joseph E. Coyle
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Jayne E. Curry
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - James E. H. Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Phillip J. Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Keisha Hearn
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Aman Iqbal
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Lydia Y. W. Lee
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Paul N. Mortenson
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Joanne M. Munck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Lee W. Page
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Sahil Patel
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Susan Roomans
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Kirsten Smith
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Emiliano Tamanini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| | - Gordon Saxty
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K
| |
Collapse
|
8
|
Day JEH, Sharp SY, Rowlands MG, Aherne W, Hayes A, Raynaud FI, Lewis W, Roe SM, Prodromou C, Pearl LH, Workman P, Moody CJ. Targeting the Hsp90 molecular chaperone with novel macrolactams. Synthesis, structural, binding, and cellular studies. ACS Chem Biol 2011; 6:1339-47. [PMID: 21932796 DOI: 10.1021/cb200196e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A series of resorcylic acid macrolactams, nitrogen analogues of the naturally occurring macrolactone radicicol, have been prepared by chemical synthesis and evaluated as inhibitors of heat shock protein 90 (Hsp90), an emerging attractive target for novel cancer therapeutic agents. The synthesis involves, as key steps, ring opening of an isocoumarin intermediate, followed by a ring-closing metathesis reaction to form the macrocycle. Subsequent manipulation of the ester group into a range of amides allows access to a range of new macrolactams following deprotection of the two phenolic groups. These new resorcylic acid lactams exhibit metabolic stability greater than that of related lactone counterparts, while co-crystallization of three macrolactams with the N-terminal domain ATP site of Hsp90 confirms that they bind in a similar way to the natural product radicicol and to our previous synthetic lactone analogues. Interestingly, however, in the case of the N-benzylamide, additional binding to a hydrophobic pocket of the protein was observed. In biological assays, the new macrocyclic lactams exhibit a biological profile equivalent or superior to that of the related lactones and show the established molecular signature of Hsp90 inhibitors in human colon cancer cells.
Collapse
Affiliation(s)
- James E. H. Day
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Swee Y. Sharp
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, 15 Cotswold Road, Sutton, Surrey SM2 5NG, U.K
| | - Martin G. Rowlands
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, 15 Cotswold Road, Sutton, Surrey SM2 5NG, U.K
| | - Wynne Aherne
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, 15 Cotswold Road, Sutton, Surrey SM2 5NG, U.K
| | - Angela Hayes
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, 15 Cotswold Road, Sutton, Surrey SM2 5NG, U.K
| | - Florence I. Raynaud
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, 15 Cotswold Road, Sutton, Surrey SM2 5NG, U.K
| | - William Lewis
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - S. Mark Roe
- Section of Structural Biology, The Institute of Cancer Research, Chester Beatty Laboratories, 237 Fulham Road, London SW3 6JB, U.K
| | - Chrisostomos Prodromou
- Section of Structural Biology, The Institute of Cancer Research, Chester Beatty Laboratories, 237 Fulham Road, London SW3 6JB, U.K
| | - Laurence H. Pearl
- Section of Structural Biology, The Institute of Cancer Research, Chester Beatty Laboratories, 237 Fulham Road, London SW3 6JB, U.K
| | - Paul Workman
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, 15 Cotswold Road, Sutton, Surrey SM2 5NG, U.K
| | - Christopher J. Moody
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| |
Collapse
|