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Schinzari F, Tesauro M, Cardillo C. Is endothelin targeting finally ready for prime time? Clin Sci (Lond) 2024; 138:635-644. [PMID: 38785409 DOI: 10.1042/cs20240607] [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: 03/30/2024] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024]
Abstract
The endothelin family of peptides has long been recognized as a physiological regulator of diverse biological functions and mechanistically involved in various disease states, encompassing, among others, the cardiovascular system, the kidney, and the nervous system. Pharmacological blockade of the endothelin system, however, has encountered strong obstacles in its entry into the clinical mainstream, having obtained only a few proven indications until recently. This translational gap has been attributable predominantly to the relevant side effects associated with endothelin receptor antagonism (ERA), particularly fluid retention. Of recent, however, an expanding understanding of the pathophysiological processes involving endothelin, in conjunction with the development of new antagonists of endothelin receptors or adjustment of their doses, has driven a flourish of new clinical trials. The favorable results of some of them have extended the proven indications for ET targeting to a variety of clinical conditions, including resistant arterial hypertension and glomerulopathies. In addition, on the ground of strong preclinical evidence, other studies are ongoing to test the potential benefits of ERA in combination with other treatments, such as sodium-glucose co-transporter 2 inhibition in fluid retentive states or anti-cancer therapies in solid tumors. Furthermore, antibodies providing long-term blockade of endothelin receptors are under testing to overcome the short half-life of most small molecule endothelin antagonists. These efforts may yet bring new life to the translation of endothelin targeting strategies in clinical practice.
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Affiliation(s)
| | - Manfredi Tesauro
- Department of Systems Medicine, Università Tor Vergata, Roma, Italy
| | - Carmine Cardillo
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Roma, Italy
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2
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Hautiere M, Maffucci I, Costa N, Herbet A, Essono S, Padiolleau-Lefevre S, Boquet D. The functionality of a therapeutic antibody candidate restored by a single mutation from proline to threonine in the variable region. Hum Vaccin Immunother 2023; 19:2279867. [PMID: 38012091 PMCID: PMC10760395 DOI: 10.1080/21645515.2023.2279867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/02/2023] [Indexed: 11/29/2023] Open
Abstract
mAbs play an essential role in the therapeutic arsenal. Our laboratory has patented the Rendomab-B49 mAb targeting the endothelin B receptor (ETB). This G protein-coupled receptor plays a driving role in the progression of numerous cancers. We chimerized our mAb (xiRB49) to evaluate its preclinical therapeutic efficacy in different ETB+ tumor models with an antibody drug conjugate approach. As previously reported, the chimerization process of an antibody can alter its functionality. In this article, we present the chimerization of RB49. xiRB49 purified by Protein A remained perfectly soluble and did not aggregate, but it lost all its ability to recognize ETB. A detailed analysis of its variable region using IMGT tools allowed us to identify an unusual proline at position 125. In silico mAb modeling and in vitro experiments were performed for a better understanding of xiRB49 structure-function relationships. Our results show that the proline in position 125 on the heavy chain alters the xiRB49 CDR3 light chain conformation and its mutation to threonine allows complete functional recovery.
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Affiliation(s)
- Marie Hautiere
- Département Médicaments et Technologies pour la Santé (DMTS), SPI, Université Paris-Saclay, CEA, Gif-sur-Yvette, France
| | - Irene Maffucci
- Centre de Recherche de Royallieu, CNRS UMR 7025, Génie Enzymatique et Cellulaire, Compiègne Cedex, France
- Centre de Recherche de Royallieu, Sorbonne Universités, Université de Technologie de Compiègne, Génie Enzymatique et Cellulaire, Compiègne Cedex, France
| | - Narciso Costa
- Département Médicaments et Technologies pour la Santé (DMTS), SPI, Université Paris-Saclay, CEA, Gif-sur-Yvette, France
| | - Amaury Herbet
- Département Médicaments et Technologies pour la Santé (DMTS), SPI, Université Paris-Saclay, CEA, Gif-sur-Yvette, France
| | | | - Séverine Padiolleau-Lefevre
- Centre de Recherche de Royallieu, CNRS UMR 7025, Génie Enzymatique et Cellulaire, Compiègne Cedex, France
- Centre de Recherche de Royallieu, Sorbonne Universités, Université de Technologie de Compiègne, Génie Enzymatique et Cellulaire, Compiègne Cedex, France
| | - Didier Boquet
- Département Médicaments et Technologies pour la Santé (DMTS), SPI, Université Paris-Saclay, CEA, Gif-sur-Yvette, France
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Torres Crigna A, Link B, Samec M, Giordano FA, Kubatka P, Golubnitschaja O. Endothelin-1 axes in the framework of predictive, preventive and personalised (3P) medicine. EPMA J 2021; 12:265-305. [PMID: 34367381 PMCID: PMC8334338 DOI: 10.1007/s13167-021-00248-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 06/11/2021] [Indexed: 02/07/2023]
Abstract
Endothelin-1 (ET-1) is involved in the regulation of a myriad of processes highly relevant for physical and mental well-being; female and male health; in the modulation of senses, pain, stress reactions and drug sensitivity as well as healing processes, amongst others. Shifted ET-1 homeostasis may influence and predict the development and progression of suboptimal health conditions, metabolic impairments with cascading complications, ageing and related pathologies, cardiovascular diseases, neurodegenerative pathologies, aggressive malignancies, modulating, therefore, individual outcomes of both non-communicable and infectious diseases such as COVID-19. This article provides an in-depth analysis of the involvement of ET-1 and related regulatory pathways in physiological and pathophysiological processes and estimates its capacity as a predictor of ageing and related pathologies,a sensor of lifestyle quality and progression of suboptimal health conditions to diseases for their targeted preventionand as a potent target for cost-effective treatments tailored to the person.
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Affiliation(s)
- Adriana Torres Crigna
- Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
| | - Barbara Link
- Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
| | - Marek Samec
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Frank A. Giordano
- Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Olga Golubnitschaja
- Predictive, Preventive and Personalised (3P) Medicine, Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
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Schäfer A, Haenig B, Erupathil J, Strickner P, Sabato D, Welford RWD, Klaeylé L, Simon E, Krepler C, Brafford P, Xiao M, Herlyn M, Gstaiger M, Lehembre F, Renz I. Inhibition of endothelin-B receptor signaling synergizes with MAPK pathway inhibitors in BRAF mutated melanoma. Oncogene 2021; 40:1659-1673. [PMID: 33500549 DOI: 10.1038/s41388-020-01628-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 12/03/2020] [Accepted: 12/15/2020] [Indexed: 01/30/2023]
Abstract
The clinical benefit of MAPK pathway inhibition in melanoma patients carrying BRAF mutations is temporal. After the initial response to treatment, the majority of tumors will develop resistance and patients will relapse. Here we demonstrate that the endothelin-endothelin receptor B (ETBR) signaling pathway confers resistance to MAPK pathway inhibitors in BRAF mutated melanoma. MAPK blockade, in addition to being anti-proliferative, induces a phenotypic change which is characterized by increased expression of melanocyte-specific genes including ETBR. In the presence of MAPK inhibitors, activation of ETBR by endothelin enables the sustained proliferation of melanoma cells. In mouse models of melanoma, including patient-derived xenograft models, concurrent inhibition of the MAPK pathway and ETBR signaling resulted in a more effective anti-tumor response compared to MAPK pathway inhibition alone. The combination treatment significantly reduced tumor growth and prolonged survival compared to therapies with MAPK pathway inhibitors alone. The phosphoproteomic analysis revealed that ETBR signaling did not induce resistance towards MAPK pathway inhibitors by restoring MAPK activity, but instead via multiple alternative signaling pathways downstream of the small G proteins GNAq/11. Together these data indicate that a combination of MAPK pathway inhibitors with ETBR antagonists could have a synergistically beneficial effect in melanoma patients with hyperactivated MAPK signaling pathways.
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Affiliation(s)
- Alexander Schäfer
- Department of Biology, Institute of Molecular Systems Biology, ETH Zürich, Otto-Stern-Weg 3, 8093, Zürich, Switzerland.,Swiss BioQuant AG, 4153, Reinach, Switzerland
| | - Benedicte Haenig
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Julie Erupathil
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Panja Strickner
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Daniela Sabato
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Richard W D Welford
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Lhéanna Klaeylé
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Elise Simon
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland.,Novartis Institutes for BioMedical Research, 4002, Basel, Switzerland
| | - Clemens Krepler
- Molecular and Cellular Oncogenesis Program and Melanoma Research Center, The Wistar Institute, Philadelphia, PA, 19104, USA.,Merck, North Wales, PA, 19454, USA
| | - Patricia Brafford
- Molecular and Cellular Oncogenesis Program and Melanoma Research Center, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Min Xiao
- Molecular and Cellular Oncogenesis Program and Melanoma Research Center, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Meenhard Herlyn
- Molecular and Cellular Oncogenesis Program and Melanoma Research Center, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Matthias Gstaiger
- Department of Biology, Institute of Molecular Systems Biology, ETH Zürich, Otto-Stern-Weg 3, 8093, Zürich, Switzerland
| | - Francois Lehembre
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Imke Renz
- Drug Discovery Biology, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, 4123, Allschwil, Switzerland.
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Abstract
Discovered in 1987 as a potent endothelial cell-derived vasoconstrictor peptide, endothelin-1 (ET-1), the predominant member of the endothelin peptide family, is now recognized as a multifunctional peptide with cytokine-like activity contributing to almost all aspects of physiology and cell function. More than 30 000 scientific articles on endothelin were published over the past 3 decades, leading to the development and subsequent regulatory approval of a new class of therapeutics-the endothelin receptor antagonists (ERAs). This article reviews the history of the discovery of endothelin and its role in genetics, physiology, and disease. Here, we summarize the main clinical trials using ERAs and discuss the role of endothelin in cardiovascular diseases such as arterial hypertension, preecclampsia, coronary atherosclerosis, myocardial infarction in the absence of obstructive coronary artery disease (MINOCA) caused by spontaneous coronary artery dissection (SCAD), Takotsubo syndrome, and heart failure. We also discuss how endothelins contributes to diabetic kidney disease and focal segmental glomerulosclerosis, pulmonary arterial hypertension, as well as cancer, immune disorders, and allograft rejection (which all involve ETA autoantibodies), and neurological diseases. The application of ERAs, dual endothelin receptor/angiotensin receptor antagonists (DARAs), selective ETB agonists, novel biologics such as receptor-targeting antibodies, or immunization against ETA receptors holds the potential to slow the progression or even reverse chronic noncommunicable diseases. Future clinical studies will show whether targeting endothelin receptors can prevent or reduce disability from disease and improve clinical outcome, quality of life, and survival in patients.
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Affiliation(s)
- Matthias Barton
- From Molecular Internal Medicine, University of Zürich, Switzerland (M.B.)
- Andreas Grüntzig Foundation, Zürich, Switzerland (M.B.)
| | - Masashi Yanagisawa
- International Institute for Integrative Sleep Medicine (WPI-IIIS) and Life Science Center, Tsukuba Advanced Research Alliance, University of Tsukuba, Japan (M.Y.)
- Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas, TX (M.Y.)
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Davenport AP, Kuc RE, Southan C, Maguire JJ. New drugs and emerging therapeutic targets in the endothelin signaling pathway and prospects for personalized precision medicine. Physiol Res 2018; 67:S37-S54. [PMID: 29947527 DOI: 10.33549/physiolres.933872] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
During the last thirty years since the discovery of endothelin-1, the therapeutic strategy that has evolved in the clinic, mainly in the treatment of pulmonary arterial hypertension, is to block the action of the peptide either at the ET(A) subtype or both receptors using orally active small molecule antagonists. Recently, there has been a rapid expansion in research targeting ET receptors using chemical entities other than small molecules, particularly monoclonal antibody antagonists and selective peptide agonists and antagonists. While usually sacrificing oral bio-availability, these compounds have other therapeutic advantages with the potential to considerably expand drug targets in the endothelin pathway and extend treatment to other pathophysiological conditions. Where the small molecule approach has been retained, a novel strategy to combine two vasoconstrictor targets, the angiotensin AT(1) receptor as well as the ET(A) receptor in the dual antagonist sparsentan has been developed. A second emerging strategy is to combine drugs that have two different targets, the ET(A) antagonist ambrisentan with the phosphodiesterase inhibitor tadalafil, to improve the treatment of pulmonary arterial hypertension. The solving of the crystal structure of the ET(B) receptor has the potential to identify allosteric binding sites for novel ligands. A further key advance is the experimental validation of a single nucleotide polymorphism that has genome wide significance in five vascular diseases and that significantly increases the amount of big endothelin-1 precursor in the plasma. This observation provides a rationale for testing this single nucleotide polymorphism to stratify patients for allocation to treatment with endothelin agents and highlights the potential to use personalized precision medicine in the endothelin field.
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Affiliation(s)
- A P Davenport
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom.
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Herbet A, Costa N, Leventoux N, Mabondzo A, Couraud JY, Borrull A, Hugnot JP, Boquet D. Antibodies targeting human endothelin-1 receptors reveal different conformational states in cancer cells. Physiol Res 2018; 67:S257-S264. [PMID: 29947545 DOI: 10.33549/physiolres.933848] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The endothelin axis (endothelins and their receptors) is strongly involved in physiological and pathological processes. ET-1 plays a crucial role in particular in tumor diseases. Endothelin-1 receptors (ET(A) and ET(B)) are deregulated and overexpressed in several tumors such as melanoma and glioma. We studied the binding of 24 monoclonal antibodies directed against human ET(B) receptors (hET(B)) to different melanoma cell lines. Few of these mAbs bound to all the melanoma cell lines. One of them, rendomab B49, bound to ET(B) receptors expressed at the surface of human glioma stem cells. More recently, we produced new antibodies directed against human ET(A) receptor (hET(A)). Several antibodies have been isolated and have been screened on different tumoral cells lines. As for the mAbs directed against the hET(B) receptor only some of new antibodies directed against ET(A) receptor are capable to bind the human tumoral cell lines. Rendomab A63 directed against hET(A) is one of them. We report the specificity and binding properties of these mAbs and consider their potential use in diagnosis by an in vivo imaging approach.
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Affiliation(s)
- A Herbet
- Service de Pharmacologie et Immunoanalyse (SPI), Laboratoire d'Etude du Métabolisme des Médicaments (LEMM), CEA, Université Paris Saclay, Gif-sur-Yvette, France.
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Kircher DA, Silvis MR, Cho JH, Holmen SL. Melanoma Brain Metastasis: Mechanisms, Models, and Medicine. Int J Mol Sci 2016; 17:E1468. [PMID: 27598148 PMCID: PMC5037746 DOI: 10.3390/ijms17091468] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 08/02/2016] [Accepted: 08/26/2016] [Indexed: 12/15/2022] Open
Abstract
The development of brain metastases in patients with advanced stage melanoma is common, but the molecular mechanisms responsible for their development are poorly understood. Melanoma brain metastases cause significant morbidity and mortality and confer a poor prognosis; traditional therapies including whole brain radiation, stereotactic radiotherapy, or chemotherapy yield only modest increases in overall survival (OS) for these patients. While recently approved therapies have significantly improved OS in melanoma patients, only a small number of studies have investigated their efficacy in patients with brain metastases. Preliminary data suggest that some responses have been observed in intracranial lesions, which has sparked new clinical trials designed to evaluate the efficacy in melanoma patients with brain metastases. Simultaneously, recent advances in our understanding of the mechanisms of melanoma cell dissemination to the brain have revealed novel and potentially therapeutic targets. In this review, we provide an overview of newly discovered mechanisms of melanoma spread to the brain, discuss preclinical models that are being used to further our understanding of this deadly disease and provide an update of the current clinical trials for melanoma patients with brain metastases.
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Affiliation(s)
- David A Kircher
- Department of Oncological Sciences, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
| | - Mark R Silvis
- Department of Surgery, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
| | - Joseph H Cho
- Department of Oncological Sciences, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
| | - Sheri L Holmen
- Department of Oncological Sciences, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
- Department of Surgery, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
- Huntsman Cancer Institute, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA.
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