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Galceran F, Digirolamo FA, Rengifo M, Reigada C, Saye M, Maciel BJ, Estecho IG, Errasti AE, Pereira CA, Miranda MR. Identifying inhibitors of Trypanosoma cruzi nucleoside diphosphate kinase 1 as potential repurposed drugs for Chagas' disease. Biochem Pharmacol 2023; 216:115766. [PMID: 37634596 DOI: 10.1016/j.bcp.2023.115766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 08/29/2023]
Abstract
Trypanosoma cruzi is the causative agent of Chagas' disease, an endemic and neglected disease. The treatment is limited to only two drugs, benznidazole (BZL) and nifurtimox (NFX), introduced more than fifty years ago and no new advances have been made since then. Nucleoside diphosphate kinases (NDPK) are key metabolic enzymes which have gained interest as drug targets of pathogen organisms. Taking advantage of the computer-assisted drug repurposing approaches, in the present work we initiate a search of potential T. cruzi nucleoside diphosphate kinase 1 (TcNDPK1) inhibitors over an ∼ 12,000 compound structures database to find drugs targeted to this enzyme with trypanocidal activity. Four medicines were selected and evaluated in vitro, ketorolac (KET, an anti-inflamatory), dutasteride (DUT, used to treat benign prostatic hyperplasia), nebivolol and telmisartan (NEB and TEL, used to treat high blood pressure). The four compounds were weak inhibitors and presented different trypanocidal effect on epimastigotes, trypomastigotes and intracellular stages. NEB and TEL were the most active drugs with increased effect on intracellular stages, (IC50 = 2.25 µM and 13.21 µM respectively), and selectivity indexes of 13.01 and 8.59 respectively, showing comparable effect to BZL, the first line drug for Chagas' disease treatment. In addition, both presented positive interactions when combined with BZL. Finally, transgenic epimastigotes with increased expression of TcNDPK1 were more resistant to TEL and NEB, suggesting that TcNDPK1 is at least one of the molecular targets. In view of the results, NEB and TEL could be repurposed medicines for Chagas' disease therapy.
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Affiliation(s)
- Facundo Galceran
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Fabio A Digirolamo
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Marcos Rengifo
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Chantal Reigada
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Melisa Saye
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Belen J Maciel
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Ivana G Estecho
- Instituto de Farmacología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Andrea E Errasti
- Instituto de Farmacología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Claudio A Pereira
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina
| | - Mariana R Miranda
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Investigaciones Médicas (IDIM), Laboratorio de Parasitología Molecular, Buenos Aires, Argentina.
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Levy D, Burstein R, Kainz V, Jakubowski M, Strassman AM. Mast cell degranulation activates a pain pathway underlying migraine headache. Pain 2007; 130:166-76. [PMID: 17459586 PMCID: PMC2045157 DOI: 10.1016/j.pain.2007.03.012] [Citation(s) in RCA: 226] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2006] [Revised: 02/13/2007] [Accepted: 03/06/2007] [Indexed: 12/21/2022]
Abstract
Intracranial headaches such as that of migraine are generally accepted to be mediated by prolonged activation of meningeal nociceptors but the mechanisms responsible for such nociceptor activation are poorly understood. In this study, we examined the hypothesis that meningeal nociceptors can be activated locally through a neuroimmune interaction with resident mast cells, granulated immune cells that densely populate the dura mater. Using in vivo electrophysiological single unit recording of meningeal nociceptors in the rat we observed that degranulation of dural mast cells using intraperitoneal administration of the basic secretagogue agent compound 48/80 (2 mg/kg) induced a prolonged state of excitation in meningeal nociceptors. Such activation was accompanied by increased expression of the phosphorylated form of the extracellular signal-regulated kinase (pERK), an anatomical marker for nociceptor activation. Mast cell-induced nociceptor interaction was also associated with downstream activation of the spinal trigeminal nucleus as indicated by an increase in c-fos expression. Our findings provide evidence linking dural mast cell degranulation to prolonged activation of the trigeminal pain pathway believed to underlie intracranial headaches such as that of migraine.
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Affiliation(s)
- Dan Levy
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Harvard Institutes of Medicine, Room 856, 77 Avenue Louis Pasteur, Boston, MA 02115, USA.
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Correia I, Wang L, Pang X, Theoharides TC. Characterization of the 78 kDa mast cell protein phosphorylated by the antiallergic drug cromolyn and homology to moesin. Biochem Pharmacol 1996; 52:413-24. [PMID: 8687495 DOI: 10.1016/0006-2952(96)00243-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Mast cells (MC) can be stimulated to secrete by cross-linking immunoglobulin E bound to specific surface receptors, as well as in response to polycationic molecules such as substance P and compound 48/80. The antiallergic drug disodium cromoglycate (cromolyn) inhibited MC secretion and rapidly incorporated phosphate into a 78 kDa protein, speculated to be its mode of action. This protein was purified by single and two-dimensional gel electrophoresis, and was shown to be phosphorylated primarily on serine residues by protein kinase C. Partial amino acid sequencing of two generated fragments was identical to that of portions of mouse moesin, a member of the band 4.1 superfamily of proteins, with no definitive function known to date. Polyclonal antibodies raised against the rat basophil leukemia cell moesin cDNA expressed in Escherichia coli immunoprecipitated the 78 kDa phosphoprotein quantitatively, and immunocytochemistry localized it to the plasma membrane. Reversible phosphorylation of this 78 kDa phosphoprotein could affect its possible cytoskeletal binding through which it may regulate stimulus-secretion coupling in MC.
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Affiliation(s)
- I Correia
- Department of Pharmacology and Experimental Therapeutics, Tufts University School of Medicine, Boston, MA 02111, USA
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Marciniak SJ, Edwardson JM. Association of nucleoside diphosphate kinase with pancreatic zymogen granules: effects of local GTP generation on granule membrane characteristics. Biochem J 1996; 316 ( Pt 1):99-106. [PMID: 8645239 PMCID: PMC1217356 DOI: 10.1042/bj3160099] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
It is well established that both GTP-binding proteins and phosphoproteins are involved in the control of exocytosis in the exocrine pancreas. Exocytotic membrane fusion is stimulated by guanosine 5'-[gamma-thio]triphosphate, and the phosphorylation states of several proteins, including at least one on the zymogen granule membrane, are known to change during exocytosis. We show here that a nucleoside diphosphate kinase is associated with the cytoplasmic face of pancreatic zymogen granules. This enzyme behaves as a phosphoprotein of apparent molecular mass 21 kDa on SDS/polyacrylamide gels, and is able to produce GTP by using ATP to phosphorylate endogenous GDP. GTP production by nucleoside diphosphate kinase is stimulated by the wasp venom peptide mastoparan, both through a direct action on the enzyme and through its ability to increase the availability of endogenous GDP. Two effects of the GTP produced by nucleoside diphosphate kinase are demonstrated: phosphorylation of a 37 kDa zymogen granule protein on histidine residues, and stimulation of the fusion of zymogen granules with pancreatic plasma membranes in vitro. These results suggest that granule-associated nucleoside diphosphate kinase is able to maintain local GTP concentrations, and raise the possibility that it might be involved in the control of exocytosis in the pancreatic acinar cell.
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Affiliation(s)
- S J Marciniak
- Department of Pharmacology, University of Cambridge, U.K
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Saah M, Wu WM, Eberst K, Marvanyos E, Bodor N. Design, synthesis, and pharmacokinetic evaluation of a chemical delivery system for drug targeting to lung tissue. J Pharm Sci 1996; 85:496-504. [PMID: 8742941 DOI: 10.1021/js9504200] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We espouse the application of a novel chemical delivery system (CDS) approach to a delivery mechanism for drug targeting to lung tissue using the 1,2-dithiolane-3-pentyl moiety of lipoic acid as the "targetor moiety". The synthesis and the physicochemical and pharmacokinetic evaluation of a CDS modeling the lipoyl and other ester derivatives of chlorambucil (an antineoplastic agent) and cromolyn (a bischromone used in antiasthma prophylaxis) as compared with their respective parent drugs are described. The chlorambucil CDS was synthesized by esterifying the alcohol derivative of lipoic acid with chlorambucil using dicyclohexylcarbodiimide as the coupling agent. The cromolyn CDS was prepared by a multistep synthetic procedure culminating in the reaction of the alkyl bromide derivative of lipoic acid with the disodium salt of the bischromone compound. All the esters were highly lipophilic unlike the parent compounds. The in-vitro kinetic and in-vivo pharmacokinetic studies showed that the respective CDSs were sufficiently stable in buffer and biological media, hydrolyzed rapidly into the respective active parent drugs, and significantly enhanced delivery and retention of the active compound to lung tissue in comparison with the underivatized parent compounds used in conventional therapy.
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Affiliation(s)
- M Saah
- Center for Drug Discovery, University of Florida College of Pharmacy, Gainesville 32610, USA
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Heinke S, Szücs G, Norris A, Droogmans G, Nilius B. Inhibition of volume-activated chloride currents in endothelial cells by chromones. Br J Pharmacol 1995; 115:1393-8. [PMID: 8564197 PMCID: PMC1908889 DOI: 10.1111/j.1476-5381.1995.tb16629.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
1. We have studied the effects of the reported chloride channel blocker, sodium cromoglycate, on volume-activated Cl- currents in endothelial cells from bovine pulmonary artery by means of the whole-cell patch clamp technique. Cl- currents were activated by challenging the cells with a hypotonic extracellular solution of 60% of the normal osmolarity. 2. Half maximal activation of the current at +95 mV occurred after exposure of the cells for 148 +/- 10 s (n = 6) to hypotonic solution (HTS). At the same membrane potential but in the presence of 100 microM sodium cromoglycate (disodium-1,3-bis (2'-carboxylate-chromone-5'-yloxy)-2-hydroxy-propane) activation was delayed (253 +/- 25 s, n = 6) and the maximal current amplitude was reduced to 63 +/- 7% of the control (n = 13). 3. In comparison, an equimolar concentration of NPPB (5-nitro-2(3-phenyl) propylamino-benzoic acid), another Cl- channel blocker, completely blocked the volume-activated current in less than 20 s. 4. Sodium cromoglycate, applied at the time when the HTS-induced current was completely activated, dose-dependently inhibited this current with a concentration for half maximal inhibition of 310 +/- 70 microM. Data for nedocromil sodium were not significantly different from those for sodium cromoglycate. 5. Sodium cromoglycate, loaded into the endothelial cells via the patch pipette in ruptured patches, resulted in a decline of the HTS activated current with a time course that was compatible with diffusion of the compound from the pipette into the cell. Intracellulary applied sodium cromoglycate was also more effective and at 50 microM caused a decrease in the amplitude of the current to 25 +/- 6% (n = 10) of the control current.6 It is concluded that blockade of volume-activated Cl- currents by extracellular sodium cromoglycatemay be due to an intracellular action following its permeation across the cell membrane.
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Affiliation(s)
- S Heinke
- KU Leuven, Laboratorium voor Fysiologie, Belgium
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Martin MW, O'Sullivan AJ, Gomperts BD. Inhibition by cromoglycate and some flavonoids of nucleoside diphosphate kinase and of exocytosis from permeabilized mast cells. Br J Pharmacol 1995; 115:1080-6. [PMID: 7582506 PMCID: PMC1909018 DOI: 10.1111/j.1476-5381.1995.tb15921.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
1. The anti-allergic compound, cromoglycate, is reported to possess affinity for, and to suppress the autophosphorylation of a 72kDa protein having the sequence of nucleoside diphosphate kinase (NDPK). 2. We have tested the ability of cromoglycate, and a panel of ten structurally related flavonoids of plant origin, to inhibit the NDPK reaction and the exocytotic process of permeabilized mast cells. The conditions of permeabilization (use of an isotonic medium based on sodium glutamate) were selected to ensure that NDPK activity would be an essential component in the induction of Ca(2+)-induced exocytosis in which ATP is required for generation of GTP. For comparison, we also measured the inhibition of exocytosis induced by GTP-gamma-S; this proceeds in the absence of ATP and bypasses the need for NDPK activity. 3. We found that cromoglycate does not discriminate between Ca2+ and GTP-gamma-S-induced exocytosis and is a poor inhibitor of NDPK activity. Concentrations in the millimolar range are required for inhibition of all these functions. By comparison, many of the flavonoids are effective at concentrations in the micromolar range. 4. While we were unable to discern any systematic relationships between their ability to inhibit the three functions, two compounds, quercetin and genistein, inhibit Ca(2+)-induced, but not GTP-gamma-S-induced exocytosis. Inhibition of the late stages of the stimulus-response pathway in mast cells by these compounds is therefore likely to be due to inhibition of NDPK and the consequent failure to generate GTP.
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Affiliation(s)
- M W Martin
- Department of Physiology, University College London
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Abelson MB, George MA, Smith LM. Evaluation of 0.05% levocabastine versus 4% sodium cromolyn in the allergen challenge model. Ophthalmology 1995; 102:310-6. [PMID: 7862419 DOI: 10.1016/s0161-6420(95)31023-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
PURPOSE This study was conducted to evaluate the efficacy of 0.05% levocabastine compared with 4% cromolyn for treating allergic conjunctivitis induced by ocular allergen challenge. METHODS Subjects who met all entry criteria and reacted positively to ocular allergen challenge at two previous visits (n = 50) received placebo in one eye and cromolyn in the fellow eye, four times daily for 2 weeks. On day 18, subjects received the final dose of cromolyn in the pretreated eye and one drop of levocabastine in the fellow eye. Subjects were challenged and evaluated after 3, 5, and 10 minutes. Four hours after drug administration, subjects were rechallenged and evaluated after 3, 5, and 10 minutes. RESULTS Levocabastine was significantly more effective than cromolyn in inhibiting itching, hyperemia, eyelid swelling, chemosis, and tearing after the initial challenge and 4-hour rechallenge (P < 0.05). CONCLUSION These results suggest that levocabastine is superior to cromolyn for treating allergen-induced conjunctivitis and has a duration of action of at least 4 hours.
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Affiliation(s)
- M B Abelson
- Department of Ophthalmology, Harvard Medical School, Boston, MA
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Holen E, Bruserud O, Elsayed S. The effect of disodium cromoglycate on in vitro proliferation of peripheral blood mononuclear cells from allergic and healthy donors. Scand J Immunol 1992; 36:721-31. [PMID: 1439584 DOI: 10.1111/j.1365-3083.1992.tb03133.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The effect of disodium cromoglycate on in vitro proliferative responses of peripheral blood mononuclear cells from healthy individuals, allergic patients with moderate serum IgE and patients with atopic dermatitis and high levels of serum IgE was investigated. Peripheral blood mononuclear cells were stimulated with mitogens (phytohaemagglutinin, Concanavalin A), recombinant interleukin-2, calcium ionophore + phorbol 12-myristate 13-acetate, purified protein derivative of tuberculin and allergens. It was possible to induce in vitro specific, allergen-triggered responses only in allergic individuals with moderate serum IgE and not in individuals with atopic dermatitis and high serum IgE. Generally, whenever the stimulatory signal(s) caused a significant proliferative response, disodium cromoglycate inhibited the proliferation. This inhibition was seen for all activation agents and for both healthy and allergic individuals. By contrast, for certain non- or low-responders (both healthy and allergic individuals) disodium cromoglycate seemed to amplify the proliferation to various activation signals. Only non- or low-responder cells derived from atopic dermatitis patients showed a biphasic kinetic response pattern when stimulated with the drug in combination with recombinant interleukin-2, recombinant interleukin-2 + ionophore or specific allergens.
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Affiliation(s)
- E Holen
- Laboratory of Clinical Biochemistry, University Hospital, University of Bergen, Norway
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Dar O, Pecht I. Fc epsilon receptor mediated Ca2+ influx into mast cells is modulated by the concentration of cytosolic free Ca2+ ions. FEBS Lett 1992; 310:123-8. [PMID: 1397260 DOI: 10.1016/0014-5793(92)81311-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The relationship between the Fc epsilon receptor mediated stimulation of mast cells and the Ca2+ signal it induces were studied using thapsigargin (TG), a blocker of the endoplasmic reticulum Ca2+ pump. TG induced, in mucosal mast cells (RBL-2H3 line), a dose-dependent and an InsP3-independent increase in [Ca2+]i (from resting levels of 83-150 nM to 600-680 nM), and a secretory response amounting to 30-50% of that observed upon Fc epsilon RI clustering. The TG induced rise of [Ca2+]i is most probably provided by both arrest of its uptake by the endoplasmic reticulum and influx from the medium. Thus, Ca2+ influx in mast cells may be modulated by the [Ca2+]i level.
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Affiliation(s)
- O Dar
- Department of Chemical Immunology, Weizmann Institute of Science, Rehovot Israel
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