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Gadais C, Ballet S. The Neurokinins: Peptidomimetic Ligand Design and Therapeutic Applications. Curr Med Chem 2018; 27:1515-1561. [PMID: 30209994 DOI: 10.2174/0929867325666180913095918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 08/09/2018] [Accepted: 08/13/2018] [Indexed: 12/15/2022]
Abstract
The neurokinins are indisputably essential neurotransmitters in numerous pathoand physiological events. Being widely distributed in the Central Nervous System (CNS) and peripheral tissues, their discovery rapidly promoted them to drugs targets. As a necessity for molecular tools to understand the biological role of this class, endogenous peptides and their receptors prompted the scientific community to design ligands displaying either agonist and antagonist activity at the three main neurokinin receptors, called NK1, NK2 and NK3. Several strategies were implemented for this purpose. With a preference to small non-peptidic ligands, many research groups invested efforts in synthesizing and evaluating a wide range of scaffolds, but only the NK1 antagonist Aprepitant (EMENDT) and its prodrug Fosaprepitant (IVEMENDT) have been approved by the Food Drug Administration (FDA) for the treatment of Chemotherapy-Induced and Post-Operative Nausea and Vomiting (CINV and PONV, respectively). While non-peptidic drugs showed limitations, especially in side effect control, peptidic and pseudopeptidic compounds progressively regained attention. Various strategies were implemented to modulate affinity, selectivity and activity of the newly designed ligands. Replacement of canonical amino acids, incorporation of conformational constraints, and fusion with non-peptidic moieties gave rise to families of ligands displaying individual or dual NK1, NK2 and NK3 antagonism, that ultimately were combined with non-neurokinin ligands (such as opioids) to target enhanced biological impact.
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Affiliation(s)
- Charlène Gadais
- Research Group of Organic Chemistry, Departments of Chemistry and Bioengineering Sciences, Vrije Universiteit Brussels, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Steven Ballet
- Research Group of Organic Chemistry, Departments of Chemistry and Bioengineering Sciences, Vrije Universiteit Brussels, Pleinlaan 2, B-1050 Brussels, Belgium
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Arnhold FS, Linden A, Heimgartner H. Synthesis of Aib- and Phe(2Me)-Containing Cyclopentapeptides. Helv Chim Acta 2015. [DOI: 10.1002/hlca.201400323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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González-Ortega A, Sánchez-Vaderrábanos E, Ramiro-Fuentes S, Salinas-Martín MV, Carranza A, Coveñas R, Muñoz M. Uveal melanoma expresses NK-1 receptors and cyclosporin A induces apoptosis in human melanoma cell lines overexpressing the NK-1 receptor. Peptides 2014; 55:1-12. [PMID: 24548567 DOI: 10.1016/j.peptides.2014.01.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 01/31/2014] [Accepted: 01/31/2014] [Indexed: 01/11/2023]
Abstract
Substance P and neurokinin-1 (NK-1) receptor antagonists respectively induce proliferation and growth inhibition in human melanoma cell lines. The presence of NK-1 receptors in human melanoma cell lines and samples has been reported, but the presence of NK-1 receptors has not been demonstrated in uveal melanomas. It is known that melanoma express the tachykinin 1 receptor (TAC1R) gene. This gene is overexpressed in several human cancer cell lines, but such overexpression is currently unknown in human malignant melanoma cell lines (COLO 858, MEL HO, COLO 679). In this study, we attempt to demonstrate the overexpression of the TAC1R gene in such cells. We performed an in vitro study by real-time quantitative RT-PCR for TAC1R and found that the NK-1 receptor was overexpressed in the three human melanoma cell lines studied. Using a knockdown method, we demonstrate that the NK-1 receptor is involved in the viability of the COLO 858 melanoma cell line. Immunohistochemistry was also used to demonstrate NK-1 receptors in uveal melanoma samples. We observed that NK-1 receptors were present in the 21/21 uveal melanomas. In addition, cyclosporin A inhibited the growth of the three melanoma cell lines studied in a dose-dependent manner, and after the administration of this immunosuppresive drug apoptosis was observed. This indicates at least that the antitumor action of cyclosporin A is mediated by the NK-1 receptor. Our findings suggest that the NK-1 receptor could be a promising target in the treatment of human melanomas.
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Affiliation(s)
- Ana González-Ortega
- Vírgen del Rocío University Hospital, Research Laboratory on Neuropeptides Sevilla, Spain
| | | | - Susana Ramiro-Fuentes
- Vírgen del Rocío University Hospital, Research Laboratory on Neuropeptides Sevilla, Spain
| | | | - Andrés Carranza
- Deparment of Pathology, "Vírgen del Rocío" University Hospital, Sevilla, Spain
| | - Rafael Coveñas
- Institute of Neurosciences of Castilla y León (INCYL) , Laboratory of Neuroanatomy of the Peptidergic Systems, Laboratory 14, Salamanca, Spain
| | - Miguel Muñoz
- Vírgen del Rocío University Hospital, Research Laboratory on Neuropeptides Sevilla, Spain.
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Muñoz M, Coveñas R. Involvement of substance P and the NK-1 receptor in cancer progression. Peptides 2013; 48:1-9. [PMID: 23933301 DOI: 10.1016/j.peptides.2013.07.024] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 07/29/2013] [Accepted: 07/29/2013] [Indexed: 12/21/2022]
Abstract
Many data suggest the deep involvement of the substance P (SP)/neurokinin (NK)-1 receptor system in cancer: (1) Tumor cells express SP, NK-1 receptors and mRNA for the tachykinin NK-1 receptor; (2) Several isoforms of the NK-1 receptor are expressed in tumor cells; (3) the NK-1 receptor is involved in the viability of tumor cells; (4) NK-1 receptors are overexpressed in tumor cells in comparison with normal ones and malignant tissues express more NK-1 receptors than benign tissues; (5) Tumor cells expressing the most malignant phenotypes show an increased percentage of NK-1 receptor expression; (6) The expression of preprotachykinin A is increased in tumor cells in comparison with the levels found in normal cells; (7) SP induces the proliferation and migration of tumor cells and stimulates angiogenesis by increasing the proliferation of endothelial cells; (8) NK-1 receptor antagonists elicit the inhibition of tumor cell growth; (9) The specific antitumor action of NK-1 receptor antagonists on tumor cells occurs through the NK-1 receptor; (10) Tumor cell death is due to apoptosis; (11) NK-1 receptor antagonists inhibit the migration of tumor cells and neoangiogenesis. The NK-1 receptor is a therapeutic target in cancer and NK-1 receptor antagonists could be considered as broad-spectrum antitumor drugs for the treatment of cancer. It seems that a common mechanism for cancer cell proliferation mediated by SP and the NK-1 receptor is triggered, as well as a common mechanism exerted by NK-1 receptor antagonists on tumor cells, i.e. apoptosis.
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Affiliation(s)
- Miguel Muñoz
- Virgen del Rocío University Hospital, Research Laboratory on Neuropeptides (IBIS), Sevilla, Spain.
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Lewis KM, Harford-Wright E, Vink R, Nimmo AJ, Ghabriel MN. Walker 256 tumour cells increase substance P immunoreactivity locally and modify the properties of the blood-brain barrier during extravasation and brain invasion. Clin Exp Metastasis 2012; 30:1-12. [PMID: 22610781 DOI: 10.1007/s10585-012-9487-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2012] [Accepted: 05/08/2012] [Indexed: 01/15/2023]
Abstract
It is not yet known how tumour cells traverse the blood-brain barrier (BBB) to form brain metastases. Substance P (SP) release is a key component of neurogenic inflammation which has been recently shown to increase the permeability of the BBB following CNS insults, making it a possible candidate as a mediator of tumour cell extravasation into the brain. This study investigated the properties of the BBB in the early stages of tumour cell invasion into the brain, and the possible involvement of SP. Male Wistar rats were injected with Walker 256 breast carcinoma cells via the internal carotid artery and euthanised at 1, 3, 6 and 9 days post tumour inoculation. Culture medium-injected animals served as controls at 1 and 9 days. Evidence of tumour cell extravasation across the BBB was first observed at 3 days post-inoculation, which corresponded with significantly increased albumin (p < 0.05) and SP immunoreactivity (p < 0.01) and significantly reduced endothelial barrier antigen labelling of microvessels when compared to culture medium control animals (p < 0.001). By day 9 after tumour cell inoculation, 100 % of animals developed large intracranial neoplasms that had significantly increased albumin in the peri-tumoral area (p < 0.001). The increased SP immunoreactivity and altered BBB properties at 3 days post-inoculation that coincided with early tumour invasion may be indicative of a mechanism for tumour cell extravasation into the brain. Thus, extravasation of tumour cells into the brain to form cerebral metastases may be a SP-mediated process.
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Affiliation(s)
- Kate M Lewis
- Discipline of Anatomy and Pathology, School of Medical Sciences, The University of Adelaide, Adelaide, South Australia, 5005, Australia
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Rosso M, Muñoz M, Berger M. The role of neurokinin-1 receptor in the microenvironment of inflammation and cancer. ScientificWorldJournal 2012; 2012:381434. [PMID: 22545017 PMCID: PMC3322385 DOI: 10.1100/2012/381434] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2011] [Accepted: 11/20/2011] [Indexed: 12/11/2022] Open
Abstract
The recent years have witnessed an exponential increase in cancer research, leading to a considerable investment in the field. However, with few exceptions, this effort has not yet translated into a better overall prognosis for patients with cancer, and the search for new drug targets continues. After binding to the specific neurokinin-1 (NK-1) receptor, the peptide substance P (SP), which is widely distributed in both the central and peripheral nervous systems, triggers a wide variety of functions. Antagonists against the NK-1 receptor are safe clinical drugs that are known to have anti-inflammatory, analgesic, anxiolytic, antidepressant, and antiemetic effects. Recently, it has become apparent that SP can induce tumor cell proliferation, angiogenesis, and migration via the NK-1 receptor, and that the SP/NK-1 receptor complex is an integral part of the microenvironment of inflammation and cancer. Therefore, the use of NK-1 receptor antagonists as a novel and promising approach for treating patients with cancer is currently under intense investigation. In this paper, we evaluate the recent scientific developments regarding this receptor system, its role in the microenvironment of inflammation and cancer, and its potentials and pitfalls for the usage as part of modern anticancer strategies.
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Affiliation(s)
- Marisa Rosso
- Research Laboratory on Neuropeptides, Hospital Infantil Universitario Virgen del Rocío, Avenida Manuel Siurot s/n, 41013 Seville, Spain.
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Revilla-López G, Torras J, Jiménez AI, Cativiela C, Nussinov R, Alemán C. Side-chain to backbone interactions dictate the conformational preferences of a cyclopentane arginine analogue. J Org Chem 2009; 74:2403-12. [PMID: 19236034 PMCID: PMC2682113 DOI: 10.1021/jo802704h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The intrinsic conformational preferences of the nonproteinogenic amino acids constructed by incorporating the arginine side chain in the beta position of 1-aminocyclopentane-1-carboxylic acid (either in a cis or a trans orientation relative to the amino group) have been investigated by using computational methods. These compounds may be considered as constrained analogues of arginine (denoted as c(5)Arg) in which the orientation of the side chain is fixed by the cyclopentane moiety. Specifically, the N-acetyl-N'-methylamide derivatives of cis- and trans-c(5)Arg have been examined in the gas phase and in solution by using B3LYP/6-311+G(d,p) calculations and Molecular Dynamics simulations. Results indicate that the conformational space available to these compounds is highly restricted, their conformational preferences being dictated by the ability of the guanidinium group in the side chain to establish hydrogen bond interactions with the backbone. A comparison with the behavior previously described for the analogous phenylalanine derivatives is presented.
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Affiliation(s)
- Guillem Revilla-López
- Departament d’Enginyeria Química, E. T. S. d’Enginyeria Industrial de Barcelona, Universitat Politècnica de Catalunya, Diagonal 647, Barcelona E-08028, Spain
| | - Juan Torras
- Departament d’Enginyeria Química, EUETII, Universitat Politècnica de Catalunya, Pça Rei 15, Igualada 08700, Spain
| | - Ana I. Jiménez
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza – CSIC, 50009 Zaragoza, Spain
| | - Carlos Cativiela
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza – CSIC, 50009 Zaragoza, Spain
| | - Ruth Nussinov
- Basic Research Program, SAIC-Frederick, Inc. Center for Cancer Research Nanobiology Program, NCI, Frederick, MD 21702, USA
- Department of Human Genetics Sackler, Medical School, Tel Aviv University, Tel Aviv 69978, Israel
| | - Carlos Alemán
- Departament d’Enginyeria Química, E. T. S. d’Enginyeria Industrial de Barcelona, Universitat Politècnica de Catalunya, Diagonal 647, Barcelona E-08028, Spain
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Cativiela C, Ordóñez M. Recent Progress on the Stereoselective Synthesis of Cyclic Quaternary alpha-Amino Acids. TETRAHEDRON, ASYMMETRY 2009; 20:1-63. [PMID: 20300486 PMCID: PMC2839256 DOI: 10.1016/j.tetasy.2009.01.002] [Citation(s) in RCA: 180] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The most recent papers describing the stereoselective synthesis of cyclic quaternary alpha-amino acids are collected in this review. The diverse synthetic approaches are classified according to the size of the ring and taking into account the bond that is formed to complete the quaternary skeleton.
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Affiliation(s)
- Carlos Cativiela
- Departamento de Química Orgánica, ICMA, Universidad de Zaragoza-CSIC, 50009 Zaragoza (Spain)
| | - Mario Ordóñez
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, 62209 Cuernavaca, Morelos (México)
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Johansson M, Jönsson M, Norrgård O, Forsgren S. New aspects concerning ulcerative colitis and colonic carcinoma: analysis of levels of neuropeptides, neurotrophins, and TNFalpha/TNF receptor in plasma and mucosa in parallel with histological evaluation of the intestine. Inflamm Bowel Dis 2008; 14:1331-40. [PMID: 18452198 DOI: 10.1002/ibd.20487] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND The levels of neuropeptides, neurotrophins, and TNFalpha (TNFalpha)/TNF receptor in plasma and mucosa for patients with ulcerative colitis (UC) and colonic carcinoma, and concerning plasma also for healthy controls, were examined. Moreover, the relationships between the different substances and the influence of mucosal derangement on the levels were analyzed. METHODS The levels of VIP, SP, CGRP, BDNF, NGF, and TNFalpha/TNF receptor 1 were measured using ELISA/EIA. RESULTS Patients with UC demonstrated the highest levels of all analyzed substances in plasma, with the exception of BDNF. However, there were differences within the UC group, patients treated with corticosteroids, and/or nonsteroid antiinflammatory/immunosuppressive treatment having higher plasma levels than those not given these treatments. Patients with colonic carcinoma showed higher SP and TNF receptor 1 levels in plasma compared to healthy controls. Concerning mucosa, the levels of almost all analyzed substances were elevated for patients with UC compared to noncancerous mucosa of colonic carcinoma patients. There were correlations between many of the substances in both plasma and mucosa, especially concerning the 3 neuropeptides examined. There were also marked associations with mucosa derangement. CONCLUSIONS Via analysis of correlations for the respective patients and via comparisons between the different patient groups, new and original information was obtained. Interestingly, the degree of mucosal affection was markedly correlated with tissue levels of the substances and the treatments were found to be of importance concerning plasma but not tissue levels of these. Combined plasma analysis of neuropeptides, neurotrophins, and TNF receptor 1 may help to distinguish UC and colonic carcinoma patients.
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Affiliation(s)
- Malin Johansson
- Department of Integrative Medical Biology, Anatomy, Umeå University, SE-901 87 Umeå, Sweden.
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