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Pizzonero M, Akkari R, Bock X, Gosmini R, De Lemos E, Duthion B, Newsome G, Mai TTT, Roques V, Jary H, Lefrancois JM, Cherel L, Quenehen V, Babel M, Merayo N, Bienvenu N, Mammoliti O, Coti G, Palisse A, Cowart M, Shrestha A, Greszler S, Van Der Plas S, Jansen K, Claes P, Jans M, Gees M, Borgonovi M, De Wilde G, Conrath K. Discovery of GLPG2737, a Potent Type 2 Corrector of CFTR for the Treatment of Cystic Fibrosis in Combination with a Potentiator and a Type 1 Co-corrector. J Med Chem 2024; 67:5216-5232. [PMID: 38527911 PMCID: PMC11017246 DOI: 10.1021/acs.jmedchem.3c01790] [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: 09/29/2023] [Revised: 02/14/2024] [Accepted: 02/29/2024] [Indexed: 03/27/2024]
Abstract
Cystic fibrosis (CF) is caused by mutations in the CF transmembrane conductance regulator (CFTR) protein. This epithelial anion channel regulates the active transport of chloride and bicarbonate ions across membranes. Mutations result in reduced surface expression of CFTR channels with impaired functionality. Correctors are small molecules that support the trafficking of CFTR to increase its membrane expression. Such correctors can have different mechanisms of action. Combinations may result in a further improved therapeutic benefit. We describe the identification and optimization of a new pyrazolol3,4-bl pyridine-6-carboxylic acid series with high potency and efficacy in rescuing CFTR from the cell surface. Investigations showed that carboxylic acid group replacement with acylsulfonamides and acylsulfonylureas improved ADMET and PK properties, leading to the discovery of the structurally novel co-corrector GLPG2737. The addition of GLPG2737 to the combination of the potentiator GLPG1837 and C1 corrector 4 led to an 8-fold increase in the F508del CFTR activity.
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Affiliation(s)
- Mathieu Pizzonero
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Rhalid Akkari
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Xavier Bock
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Romain Gosmini
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Elsa De Lemos
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Béranger Duthion
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Gregory Newsome
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Thi-Thu-Trang Mai
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Virginie Roques
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Hélène Jary
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | | | - Laetitia Cherel
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Vanessa Quenehen
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Marielle Babel
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Nuria Merayo
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Natacha Bienvenu
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Oscar Mammoliti
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Ghjuvanni Coti
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Adeline Palisse
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Marlon Cowart
- AbbVie,
Inc., 1 North Waukegan
Road, North Chicago, Illinois 60064-1802, United
States
| | - Anurupa Shrestha
- AbbVie,
Inc., 1 North Waukegan
Road, North Chicago, Illinois 60064-1802, United
States
| | - Stephen Greszler
- AbbVie,
Inc., 1 North Waukegan
Road, North Chicago, Illinois 60064-1802, United
States
| | | | - Koen Jansen
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Pieter Claes
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Mia Jans
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Maarten Gees
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Monica Borgonovi
- Galapagos
SASU, 102 Avenue Gaston
Roussel, 93230 Romainville, France
| | - Gert De Wilde
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
| | - Katja Conrath
- Galapagos
NV, Generaal De Wittelaan
L11, A3, 2800 Mechelen, Belgium
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2
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Thakur S, Ankita, Dash S, Verma R, Kaur C, Kumar R, Mazumder A, Singh G. Understanding CFTR Functionality: A Comprehensive Review of Tests and Modulator Therapy in Cystic Fibrosis. Cell Biochem Biophys 2024; 82:15-34. [PMID: 38048024 DOI: 10.1007/s12013-023-01200-w] [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: 10/11/2023] [Accepted: 11/13/2023] [Indexed: 12/05/2023]
Abstract
Cystic fibrosis is a genetic disorder inherited in an autosomal recessive manner. It is caused by a mutation in the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene on chromosome 7, which leads to abnormal regulation of chloride and bicarbonate ions in cells that line organs like the lungs and pancreas. The CFTR protein plays a crucial role in regulating chloride ion flow, and its absence or malfunction causes the production of thick mucus that affects several organs. There are more than 2000 identified mutations that are classified into seven categories based on their dysfunction mechanisms. In this article, we have conducted a thorough examination and consolidation of the diverse array of tests essential for the quantification of CFTR functionality. Furthermore, we have engaged in a comprehensive discourse regarding the recent advancements in CFTR modulator therapy, a pivotal approach utilized for the management of cystic fibrosis, alongside its concomitant relevance in evaluating CFTR functionality.
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Affiliation(s)
- Shorya Thakur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India
| | - Ankita
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India
| | - Shubham Dash
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India
| | - Rupali Verma
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India
| | - Charanjit Kaur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India
| | - Rajesh Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India
| | - Avijit Mazumder
- Noida Institute of Engineering and Technology (Pharmacy Institute), Greater Noida, UP, India
| | - Gurvinder Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Panjab, India.
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3
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Cao L, Wu Y, Gong Y, Zhou Q. Small molecule modulators of cystic fibrosis transmembrane conductance regulator (CFTR): Structure, classification, and mechanisms. Eur J Med Chem 2024; 265:116120. [PMID: 38194776 DOI: 10.1016/j.ejmech.2023.116120] [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: 11/18/2023] [Revised: 12/28/2023] [Accepted: 12/31/2023] [Indexed: 01/11/2024]
Abstract
The advent of small molecule modulators targeting the cystic fibrosis transmembrane conductance regulator (CFTR) has revolutionized the treatment of persons with cystic fibrosis (CF) (pwCF). Presently, these small molecule CFTR modulators have gained approval for usage in approximately 90 % of adult pwCF. Ongoing drug development endeavors are focused on optimizing the therapeutic benefits while mitigating potential adverse effects associated with this treatment approach. Based on their mode of interaction with CFTR, these drugs can be classified into two distinct categories: specific CFTR modulators and non-specific CFTR modulators. Specific CFTR modulators encompass potentiators and correctors, whereas non-specific CFTR modulators encompass activators, proteostasis modulators, stabilizers, reader-through agents, and amplifiers. Currently, four small molecule modulators, all classified as potentiators and correctors, have obtained marketing approval. Furthermore, numerous novel small molecule modulators, exhibiting diverse mechanisms of action, are currently undergoing development. This review aims to explore the classification, mechanisms of action, molecular structures, developmental processes, and interrelationships among small molecule CFTR modulators.
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Affiliation(s)
- Luyang Cao
- China Pharmaceutical University, Nanjing, 210009, PR China
| | - Yong Wu
- Jiangsu Vcare PharmaTech Co., Ltd., Huakang Road 136, Biotech and Pharmaceutical Valley, Jiangbei New Area, Nanjing, 211800, PR China
| | - Yanchun Gong
- Jiangsu Vcare PharmaTech Co., Ltd., Huakang Road 136, Biotech and Pharmaceutical Valley, Jiangbei New Area, Nanjing, 211800, PR China.
| | - Qingfa Zhou
- China Pharmaceutical University, Nanjing, 210009, PR China.
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Liashuk OS, Andriashvili VA, Tolmachev AO, Grygorenko OO. Chemoselective Reactions of Functionalized Sulfonyl Halides. CHEM REC 2024; 24:e202300256. [PMID: 37823680 DOI: 10.1002/tcr.202300256] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/13/2023] [Indexed: 10/13/2023]
Abstract
Chemoselective transformations of functionalized sulfonyl fluorides and chlorides are surveyed comprehensively. It is shown that sulfonyl fluorides provide an excellent selectivity control in their reactions. Thus, numerous conditions are tolerated by the SO2 F group - from amide and ester formation to directed ortho-lithiation and transition-metal-catalyzed cross-couplings. Meanwhile, sulfur (VI) fluoride exchange (SuFEx) is also compatible with numerous functional groups, thus confirming its title of "another click reaction". On the contrary, with a few exceptions, most transformations of functionalized sulfonyl chlorides typically occur at the SO2 Cl moiety.
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Affiliation(s)
- Oleksandr S Liashuk
- Enamine Ltd. (www.enamine.net), Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
| | - Vladyslav A Andriashvili
- Enamine Ltd. (www.enamine.net), Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
| | - Andriy O Tolmachev
- Enamine Ltd. (www.enamine.net), Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
| | - Oleksandr O Grygorenko
- Enamine Ltd. (www.enamine.net), Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
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5
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Acharya A, Yadav M, Nagpure M, Kumaresan S, Guchhait SK. Molecular medicinal insights into scaffold hopping-based drug discovery success. Drug Discov Today 2024; 29:103845. [PMID: 38013043 DOI: 10.1016/j.drudis.2023.103845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/17/2023] [Accepted: 11/22/2023] [Indexed: 11/29/2023]
Abstract
In both academia and the pharmaceutical industry, innovative hypotheses, methodologies and technologies that can shorten the drug research and development, leading to higher success rates, are vital. In this review, we demonstrate how innovative variations of the scaffold-hopping strategy have been used to create new druggable molecular spaces, drugs, clinical candidates, preclinical candidates, and bioactive agents. We also analyze molecular modulations that enabled improvements of the pharmacodynamic (PD), physiochemical, and pharmacokinetic (PK) properties (P3 properties) of the drugs resulting from these scaffold-hopping strategies.
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Affiliation(s)
- Ayan Acharya
- National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab 160062, India
| | - Mukul Yadav
- National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab 160062, India
| | - Mithilesh Nagpure
- National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab 160062, India
| | - Sanathanalaxmi Kumaresan
- National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab 160062, India; National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab 160062, India
| | - Sankar K Guchhait
- National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab 160062, India.
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Shareef U, Altaf A, Ahmed M, Akhtar N, Almuhayawi MS, Al Jaouni SK, Selim S, Abdelgawad MA, Nagshabandi MK. A comprehensive review of discovery and development of drugs discovered from 2020-2022. Saudi Pharm J 2024; 32:101913. [PMID: 38204591 PMCID: PMC10777120 DOI: 10.1016/j.jsps.2023.101913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 12/09/2023] [Indexed: 01/12/2024] Open
Abstract
To fully evaluate and define the new drug molecule for its pharmacological characteristics and toxicity profile, pre-clinical and clinical studies are conducted as part of the drug research and development process. The average time required for all drug development processes to finish various regulatory evaluations ranges from 11.4 to 13.5 years, and the expense of drug development is rising quickly. The development in the discovery of newer novel treatments is, however, largely due to the growing need for new medications. Methods to identify Hits and discovery of lead compounds along with pre-clinical studies have advanced, and one example is the introduction of computer-aided drug design (CADD), which has greatly shortened the time needed for the drug to go through the drug discovery phases. The pharmaceutical industry will hopefully be able to address the present and future issues and will continue to produce novel molecular entities (NMEs) to satisfy the expanding unmet medical requirements of the patients as the success rate of the drug development processes is increasing. Several heterocyclic moieties have been developed and tested against many targets and proved to be very effective. In-depth discussion of the drug design approaches of newly found drugs from 2020 to 2022, including their pharmacokinetic and pharmacodynamic profiles and in-vitro and in-vivo assessments, is the main goal of this review. Considering the many stages these drugs are going through in their clinical trials, this investigation is especially pertinent. It should be noted that synthetic strategies are not discussed in this review; instead, they will be in a future publication.
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Affiliation(s)
- Usman Shareef
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad 44000, Pakistan
| | - Aisha Altaf
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad 44000, Pakistan
| | - Madiha Ahmed
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad 44000, Pakistan
| | - Nosheen Akhtar
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 43600, Pakistan
| | - Mohammed S. Almuhayawi
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Soad K. Al Jaouni
- Department of Hematology/Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
| | - Mohamed A. Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia
| | - Mohammed K. Nagshabandi
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, University of Jeddah, Jeddah 23218, Saudi Arabia
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Jacobs MR, Olivero JE, Ok Choi H, Liao CP, Kashemirov BA, Katz JE, Gross ME, McKenna CE. Synthesis and anti-cancer potential of potent peripheral MAOA inhibitors designed to limit blood:brain penetration. Bioorg Med Chem 2023; 92:117425. [PMID: 37544256 DOI: 10.1016/j.bmc.2023.117425] [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: 05/03/2023] [Revised: 06/30/2023] [Accepted: 07/25/2023] [Indexed: 08/08/2023]
Abstract
Monoamine oxidases (MAOA/MAOB) are enzymes known for their role in neurotransmitter regulation in the central nervous system (CNS). Irreversible and non-selective MAO inhibitors (MAOi's) were the first class of antidepressants, thus subsequent work on drugs such as the selective MAOA inhibitor clorgyline has focussed on selectivity and increased CNS penetration. MAOA is highly expressed in high grade and metastatic prostate cancer with a proposed effect on prostate cancer growth, recurrence, and drug resistance. A Phase II Clinical Trial has demonstrated the therapeutic effects of the irreversible nonselective MAOi phenelzine for prostate cancer. However, neurologic adverse effects led to early withdrawal in 25% of the enrolled patient-population. In this work, we revised the clorgyline scaffold with the goal of decreasing CNS penetration to minimize CNS-related side effects while retaining or enhancing MAOA inhibition potency and selectivity. Using the known co-crystal structure of clorgyline bound with FAD co-factor in the hMAOA active site as a reference, we designed and synthesized a series of compounds predicted to have lower CNS penetration (logBB). All synthesized derivatives displayed favorable drug-like characteristics such as predicted Caco-2 permeability and human oral absorption, and exhibited highly selective hMAOA binding interactions. Introduction of an HBD group (NH2 or OH) at position 5 of the phenyl ring clorgyline resulted in 3x more potent hMAOA inhibition with equivalent or better hMAOB selectivity, and similar prostate cancer cell cytotoxicity. In contrast, introduction of larger substituents at this position or at the terminal amine significantly reduced the hMAOA inhibition potency, attributed in part to a steric clash within the binding pocket of the MAOA active site. Replacement of the N-methyl group by a more polar, but larger 2-hydroxyethyl group did not enhance potency. However, introduction of a polar 2-hydroxy in the propyl chain retained the highly selective MAOA inhibition and cancer cell cytotoxicity of clorgyline while reducing its CNS score from 2 to 0. We believe that these results identify a new class of peripherally directed MAOIs that may allow safer therapeutic targeting of MAOA for a variety of anti-cancer and anti-inflammatory indications.
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Affiliation(s)
- Michaela R Jacobs
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
| | - Jennifer E Olivero
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
| | - Hyun Ok Choi
- Lawrence J. Ellison Institute for Transformative Medicine, Los Angeles, CA 90064, USA.
| | - Chun-Peng Liao
- Lawrence J. Ellison Institute for Transformative Medicine, Los Angeles, CA 90064, USA.
| | - Boris A Kashemirov
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
| | - Jonathan E Katz
- Lawrence J. Ellison Institute for Transformative Medicine, Los Angeles, CA 90064, USA; Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA.
| | - Mitchell E Gross
- Lawrence J. Ellison Institute for Transformative Medicine, Los Angeles, CA 90064, USA; Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA.
| | - Charles E McKenna
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.
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Oliver KE, Carlon MS, Pedemonte N, Lopes-Pacheco M. The revolution of personalized pharmacotherapies for cystic fibrosis: what does the future hold? Expert Opin Pharmacother 2023; 24:1545-1565. [PMID: 37379072 PMCID: PMC10528905 DOI: 10.1080/14656566.2023.2230129] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/16/2023] [Accepted: 06/23/2023] [Indexed: 06/29/2023]
Abstract
INTRODUCTION Cystic fibrosis (CF), a potentially fatal genetic disease, is caused by loss-of-function mutations in the gene encoding for the CFTR chloride/bicarbonate channel. Modulator drugs rescuing mutant CFTR traffic and function are now in the clinic, providing unprecedented breakthrough therapies for people with CF (PwCF) carrying specific genotypes. However, several CFTR variants are unresponsive to these therapies. AREA COVERED We discussed several therapeutic approaches that are under development to tackle the fundamental cause of CF, including strategies targeting defective CFTR mRNA and/or protein expression and function. Alternatively, defective chloride secretion and dehydration in CF epithelia could be restored by exploiting pharmacological modulation of alternative targets, i.e., ion channels/transporters that concur with CFTR to maintain the airway surface liquid homeostasis (e.g., ENaC, TMEM16A, SLC26A4, SLC26A9, and ATP12A). Finally, we assessed progress and challenges in the development of gene-based therapies to replace or correct the mutant CFTR gene. EXPERT OPINION CFTR modulators are benefiting many PwCF responsive to these drugs, yielding substantial improvements in various clinical outcomes. Meanwhile, the CF therapy development pipeline continues to expand with the development of novel CFTR modulators and alternative therapeutic strategies with the ultimate goal of providing effective therapies for all PwCF in the foreseeable future.
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Affiliation(s)
- Kathryn E. Oliver
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, USA
- Center for Cystic Fibrosis and Airways Disease Research, Emory University and Children’s Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Marianne S. Carlon
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Center for Molecular Medicine, KU Leuven, Leuven, Belgium
| | | | - Miquéias Lopes-Pacheco
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, Lisbon, Portugal
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Abstract
An analysis of 156 published clinical candidates from the Journal of Medicinal Chemistry between 2018 and 2021 was conducted to identify lead generation strategies most frequently employed leading to drug candidates. As in a previous publication, the most frequent lead generation strategies resulting in clinical candidates were from known compounds (59%) followed by random screening approaches (21%). The remainder of the approaches included directed screening, fragment screening, DNA-encoded library screening (DEL), and virtual screening. An analysis of similarity was also conducted based on Tanimoto-MCS and revealed most clinical candidates were distant from their original hits; however, most shared a key pharmacophore that translated from hit-to-clinical candidate. An examination of frequency of oxygen, nitrogen, fluorine, chlorine, and sulfur incorporation in clinical candidates was also conducted. The three most similar and least similar hit-to-clinical pairs from random screening were examined to provide perspective on changes that occur that lead to successful clinical candidates.
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Affiliation(s)
- Dean G Brown
- Jnana Therapeutics, One Design Center Pl Suite 19-400, Boston, Massachusetts 02210, United States
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10
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Bacalhau M, Ferreira FC, Silva IAL, Buarque CD, Amaral MD, Lopes-Pacheco M. Additive Potentiation of R334W-CFTR Function by Novel Small Molecules. J Pers Med 2023; 13:jpm13010102. [PMID: 36675763 PMCID: PMC9862739 DOI: 10.3390/jpm13010102] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 01/04/2023] Open
Abstract
The R334W (c.1000C>T, p.Arg334Trp) is a rare cystic fibrosis (CF)-causing mutation for which no causal therapy is currently approved. This mutation leads to a significant reduction of CF transmembrane conductance regulator (CFTR) channel conductance that still allows for residual function. Potentiators are small molecules that interact with CFTR protein at the plasma membrane to enhance CFTR-dependent chloride secretion, representing thus pharmacotherapies targeting the root cause of the disease. Here, we generated a new CF bronchial epithelial (CFBE) cell line to screen a collection of compounds and identify novel potentiators for R334W-CFTR. The active compounds were then validated by electrophysiological assays and their additive effects in combination with VX-770, genistein, or VX-445 were exploited in this cell line and further confirmed in intestinal organoids. Four compounds (LSO-24, LSO-25, LSO-38, and LSO-77) were active in the functional primary screen and their ability to enhance R334W-CFTR-dependent chloride secretion was confirmed using electrophysiological measurements. In silico ADME analyses demonstrated that these compounds follow Lipinski’s rule of five and are thus suggested to be orally bioavailable. Dose−response relationships revealed nevertheless suboptimal efficacy and weak potency exerted by these compounds. VX-770 and genistein also displayed a small potentiation of R334W-CFTR function, while VX-445 demonstrated no potentiator activity for this mutation. In the R334W-expressing cell line, CFTR function was further enhanced by the combination of LSO-24, LSO-25, LSO-38, or LSO-77 with VX-770, but not with genistein. The efficacy of potentiator VX-770 combined with active LSO compounds was further confirmed in intestinal organoids (R334W/R334W genotype). Taken together, these molecules were demonstrated to potentiate R334W-CFTR function by a different mechanism than that of VX-770. They may provide a feasible starting point for the design of analogs with improved CFTR-potentiator activity.
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Affiliation(s)
- Mafalda Bacalhau
- Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Filipa C. Ferreira
- Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Iris A. L. Silva
- Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Camilla D. Buarque
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro 22541-041, Brazil
| | - Margarida D. Amaral
- Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Miquéias Lopes-Pacheco
- Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
- Correspondence:
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11
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Kaza N, Lin VY, Stanford D, Hussain SS, Falk Libby E, Kim H, Borgonovi M, Conrath K, Mutyam V, Byzek SA, Tang LP, Trombley JE, Rasmussen L, Schoeb T, Leung HM, Tearney GJ, Raju SV, Rowe SM. Evaluation of a novel CFTR potentiator in COPD ferrets with acquired CFTR dysfunction. Eur Respir J 2022; 60:13993003.01581-2021. [PMID: 34916262 PMCID: PMC10079430 DOI: 10.1183/13993003.01581-2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 11/21/2021] [Indexed: 11/05/2022]
Abstract
RATIONALE The majority of chronic obstructive pulmonary disease (COPD) patients have chronic bronchitis, for which specific therapies are unavailable. Acquired cystic fibrosis transmembrane conductance regulator (CFTR) dysfunction is observed in chronic bronchitis, but has not been proven in a controlled animal model with airway disease. Furthermore, the potential of CFTR as a therapeutic target has not been tested in vivo, given limitations to rodent models of COPD. Ferrets exhibit cystic fibrosis-related lung pathology when CFTR is absent and COPD with bronchitis following cigarette smoke exposure. OBJECTIVES To evaluate CFTR dysfunction induced by smoking and test its pharmacological reversal by a novel CFTR potentiator, GLPG2196, in a ferret model of COPD with chronic bronchitis. METHODS Ferrets were exposed for 6 months to cigarette smoke to induce COPD and chronic bronchitis and then treated with enteral GLPG2196 once daily for 1 month. Electrophysiological measurements of ion transport and CFTR function, assessment of mucociliary function by one-micron optical coherence tomography imaging and particle-tracking microrheology, microcomputed tomography imaging, histopathological analysis and quantification of CFTR protein and mRNA expression were used to evaluate mechanistic and pathophysiological changes. MEASUREMENTS AND MAIN RESULTS Following cigarette smoke exposure, ferrets exhibited CFTR dysfunction, increased mucus viscosity, delayed mucociliary clearance, airway wall thickening and airway epithelial hypertrophy. In COPD ferrets, GLPG2196 treatment reversed CFTR dysfunction, increased mucus transport by decreasing mucus viscosity, and reduced bronchial wall thickening and airway epithelial hypertrophy. CONCLUSIONS The pharmacologic reversal of acquired CFTR dysfunction is beneficial against pathological features of chronic bronchitis in a COPD ferret model.
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Affiliation(s)
- Niroop Kaza
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.,Equal contributions
| | - Vivian Y Lin
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.,Equal contributions
| | - Denise Stanford
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.,Equal contributions
| | - Shah S Hussain
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Emily Falk Libby
- The Gregory Fleming James Cystic Fibrosis Research Center, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Harrison Kim
- Dept of Radiology, The University of Alabama at Birmingham, Birmingham, AL, USA
| | | | | | - Venkateshwar Mutyam
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Stephen A Byzek
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Li Ping Tang
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - John E Trombley
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lawrence Rasmussen
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Trenton Schoeb
- Dept of Genetics, The University of Alabama at Birmingham, Birmingham, AL, USA.,Animal Resources Program, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Hui Min Leung
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Guillermo J Tearney
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA.,Dept of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - S Vamsee Raju
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.,The Gregory Fleming James Cystic Fibrosis Research Center, The University of Alabama at Birmingham, Birmingham, AL, USA.,Dept of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, AL, USA.,Co-senior authors
| | - Steven M Rowe
- Dept of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA .,The Gregory Fleming James Cystic Fibrosis Research Center, The University of Alabama at Birmingham, Birmingham, AL, USA.,Dept of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, AL, USA.,Co-senior authors
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12
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Esc peptides as novel potentiators of defective cystic fibrosis transmembrane conductance regulator: an unprecedented property of antimicrobial peptides. Cell Mol Life Sci 2021; 79:67. [PMID: 34971429 PMCID: PMC8752549 DOI: 10.1007/s00018-021-04030-2] [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: 08/25/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 12/17/2022]
Abstract
Mutations in the cystic fibrosis (CF) transmembrane conductance regulator (CFTR) protein lead to persistent lung bacterial infections, mainly due to Pseudomonas aeruginosa, causing loss of respiratory function and finally death of people affected by CF. Unfortunately, even in the era of CFTR modulation therapies, management of pulmonary infections in CF remains highly challenging especially for patients with advanced stages of lung disease. Recently, we identified antimicrobial peptides (AMPs), namely Esc peptides, with potent antipseudomonal activity. In this study, by means of electrophysiological techniques and computational studies we discovered their ability to increase the CFTR-controlled ion currents, by direct interaction with the F508del-CFTR mutant. Remarkably, this property was not explored previously with any AMPs or peptides in general. More interestingly, in contrast with clinically used CFTR modulators, Esc peptides would give particular benefit to CF patients by combining their capability to eradicate lung infections and to act as promoters of airway wound repair with their ability to ameliorate the activity of the channel with conductance defects. Overall, our findings not only highlighted Esc peptides as the first characterized AMPs with a novel property, that is the potentiator activity of CFTR, but also paved the avenue to investigate the functions of AMPs and/or other peptide molecules, for a new up-and-coming pharmacological approach to address CF lung disease.
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13
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Pinto MC, Silva IAL, Figueira MF, Amaral MD, Lopes-Pacheco M. Pharmacological Modulation of Ion Channels for the Treatment of Cystic Fibrosis. J Exp Pharmacol 2021; 13:693-723. [PMID: 34326672 PMCID: PMC8316759 DOI: 10.2147/jep.s255377] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 06/30/2021] [Indexed: 12/12/2022] Open
Abstract
Cystic fibrosis (CF) is a life-shortening monogenic disease caused by mutations in the gene encoding the CF transmembrane conductance regulator (CFTR) protein, an anion channel that transports chloride and bicarbonate across epithelia. Despite clinical progress in delaying disease progression with symptomatic therapies, these individuals still develop various chronic complications in lungs and other organs, which significantly restricts their life expectancy and quality of life. The development of high-throughput assays to screen drug-like compound libraries have enabled the discovery of highly effective CFTR modulator therapies. These novel therapies target the primary defect underlying CF and are now approved for clinical use for individuals with specific CF genotypes. However, the clinically approved modulators only partially reverse CFTR dysfunction and there is still a considerable number of individuals with CF carrying rare CFTR mutations who remain without any effective CFTR modulator therapy. Accordingly, additional efforts have been pursued to identify novel and more potent CFTR modulators that may benefit a larger CF population. The use of ex vivo individual-derived specimens has also become a powerful tool to evaluate novel drugs and predict their effectiveness in a personalized medicine approach. In addition to CFTR modulators, pro-drugs aiming at modulating alternative ion channels/transporters are under development to compensate for the lack of CFTR function. These therapies may restore normal mucociliary clearance through a mutation-agnostic approach (ie, independent of CFTR mutation) and include inhibitors of the epithelial sodium channel (ENaC), modulators of the calcium-activated channel transmembrane 16A (TMEM16, or anoctamin 1) or of the solute carrier family 26A member 9 (SLC26A9), and anionophores. The present review focuses on recent progress and challenges for the development of ion channel/transporter-modulating drugs for the treatment of CF.
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Affiliation(s)
- Madalena C Pinto
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisboa, Lisboa, Portugal
| | - Iris A L Silva
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisboa, Lisboa, Portugal
| | - Miriam F Figueira
- Marsico Lung Institute/Cystic Fibrosis Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Margarida D Amaral
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisboa, Lisboa, Portugal
| | - Miquéias Lopes-Pacheco
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisboa, Lisboa, Portugal
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14
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Grand DL, Gosling M, Baettig U, Bahra P, Bala K, Brocklehurst C, Budd E, Butler R, Cheung AK, Choudhury H, Collingwood SP, Cox B, Danahay H, Edwards L, Everatt B, Glaenzel U, Glotin AL, Groot-Kormelink P, Hall E, Hatto J, Howsham C, Hughes G, King A, Koehler J, Kulkarni S, Lightfoot M, Nicholls I, Page C, Pergl-Wilson G, Popa MO, Robinson R, Rowlands D, Sharp T, Spendiff M, Stanley E, Steward O, Taylor RJ, Tranter P, Wagner T, Watson H, Williams G, Wright P, Young A, Sandham DA. Discovery of Icenticaftor (QBW251), a Cystic Fibrosis Transmembrane Conductance Regulator Potentiator with Clinical Efficacy in Cystic Fibrosis and Chronic Obstructive Pulmonary Disease. J Med Chem 2021; 64:7241-7260. [PMID: 34028270 DOI: 10.1021/acs.jmedchem.1c00343] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) ion channel are established as the primary causative factor in the devastating lung disease cystic fibrosis (CF). More recently, cigarette smoke exposure has been shown to be associated with dysfunctional airway epithelial ion transport, suggesting a role for CFTR in the pathogenesis of chronic obstructive pulmonary disease (COPD). Here, the identification and characterization of a high throughput screening hit 6 as a potentiator of mutant human F508del and wild-type CFTR channels is reported. The design, synthesis, and biological evaluation of compounds 7-33 to establish structure-activity relationships of the scaffold are described, leading to the identification of clinical development compound icenticaftor (QBW251) 33, which has subsequently progressed to deliver two positive clinical proofs of concept in patients with CF and COPD and is now being further developed as a novel therapeutic approach for COPD patients.
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Affiliation(s)
- Darren Le Grand
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Martin Gosling
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Urs Baettig
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Parmjit Bahra
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Kamlesh Bala
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Cara Brocklehurst
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Emma Budd
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Rebecca Butler
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Atwood K Cheung
- Novartis Institutes for Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - Hedaythul Choudhury
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Stephen P Collingwood
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Brian Cox
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Henry Danahay
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Lee Edwards
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Brian Everatt
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Ulrike Glaenzel
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Anne-Lise Glotin
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Paul Groot-Kormelink
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Edward Hall
- Novartis Institutes for Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - Julia Hatto
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Catherine Howsham
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Glyn Hughes
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Anna King
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Julia Koehler
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Swarupa Kulkarni
- Novartis Institutes for Biomedical Research, East Hanover, New Jersey 07936, United States
| | - Megan Lightfoot
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Ian Nicholls
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Christopher Page
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Giles Pergl-Wilson
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Mariana Oana Popa
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Richard Robinson
- Novartis Institutes for Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - David Rowlands
- Novartis Institutes for Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - Tom Sharp
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Matthew Spendiff
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Emily Stanley
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Oliver Steward
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Roger J Taylor
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Pamela Tranter
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Trixie Wagner
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Hazel Watson
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Gareth Williams
- Novartis Institutes for Biomedical Research, Novartis Campus, Basel, CH 4002, Switzerland
| | - Penny Wright
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - Alice Young
- Novartis Institutes for Biomedical Research, Horsham Research Center, Wimblehurst Road, Horsham RH12 5AB, U.K
| | - David A Sandham
- Novartis Institutes for Biomedical Research, Cambridge, Massachusetts 02139, United States
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