English2-Amino-benzo[ d]thiazole was identified as a new scaffold for the development of improved pteridine reductase-1 (PTR1) inhibitors and anti-trypanosomatidic agents. Molecular docking and crystallography guided the design and synthesis of 42 new benzothiazoles. The compounds were assessed for Trypanosoma brucei and Leishmania major PTR1 inhibition and in vitro activity against T. brucei and amastigote Leishmania infantum. We identified several 2-amino-benzo[ d]thiazoles with improved enzymatic activity ( TbPTR1 IC50 = 0.35 μM; LmPTR1 IC50 = 1.9 μM) and low μM antiparasitic activity against T. brucei. The ten most active compounds against TbPTR1 were able to potentiate the antiparasitic activity of methotrexate when evaluated in combination against T. brucei, with a potentiating index between 1.2 and 2.7. The compound library was profiled for early ADME toxicity, and 2-amino- N-benzylbenzo[ d]thiazole-6-carboxamide (4c) was finally identified as a novel potent, safe, and selective anti-trypanocydal agent (EC50 = 7.0 μM). Formulation of 4c with hydroxypropyl-β-cyclodextrin yielded good oral bioavailability, encouraging progression to in vivo studies.
Enhancement of Benzothiazoles as Pteridine Reductase-1 Inhibitors for the Treatment of Trypanosomatidic Infections / Linciano, Pasquale; Pozzi, Cecilia; Iacono, Lucia Dello; di Pisa, Flavio; Landi, Giacomo; Bonucci, Alessio; Gul, Sheraz; Kuzikov, Maria; Ellinger, Bernhard; Witt, Gesa; Santarem, Nuno; Baptista, Catarina; Franco, Caio; Moraes, Carolina B; Müller, Wolfgang; Wittig, Ulrike; Luciani, Rosaria; Sesenna, Antony; Quotadamo, Antonio; Ferrari, Stefania; Pöhner, Ina; Cordeiro-da-Silva, Anabela; Mangani, Stefano; Costantino, Luca; Costi, Maria Paola. - In: JOURNAL OF MEDICINAL CHEMISTRY. - ISSN 0022-2623. - (2019), pp. 1234-1245.
| Data di pubblicazione: | 2019 |
| Data di prima pubblicazione: | 9-apr-2019 |
| Titolo: | Enhancement of Benzothiazoles as Pteridine Reductase-1 Inhibitors for the Treatment of Trypanosomatidic Infections |
| Autore/i: | Linciano, Pasquale; Pozzi, Cecilia; Iacono, Lucia Dello; di Pisa, Flavio; Landi, Giacomo; Bonucci, Alessio; Gul, Sheraz; Kuzikov, Maria; Ellinger, Bernhard; Witt, Gesa; Santarem, Nuno; Baptista, Catarina; Franco, Caio; Moraes, Carolina B; Müller, Wolfgang; Wittig, Ulrike; Luciani, Rosaria; Sesenna, Antony; Quotadamo, Antonio; Ferrari, Stefania; Pöhner, Ina; Cordeiro-da-Silva, Anabela; Mangani, Stefano; Costantino, Luca; Costi, Maria Paola |
| Autore/i UNIMORE: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1021/acs.jmedchem.8b02021 |
| Rivista: | |
| Pagina iniziale: | 1234 |
| Pagina finale: | 1245 |
| Codice identificativo ISI: | WOS:000466053900012 |
| Codice identificativo Scopus: | 2-s2.0-85064978890 |
| Codice identificativo Pubmed: | 30908048 |
| Citazione: | Enhancement of Benzothiazoles as Pteridine Reductase-1 Inhibitors for the Treatment of Trypanosomatidic Infections / Linciano, Pasquale; Pozzi, Cecilia; Iacono, Lucia Dello; di Pisa, Flavio; Landi, Giacomo; Bonucci, Alessio; Gul, Sheraz; Kuzikov, Maria; Ellinger, Bernhard; Witt, Gesa; Santarem, Nuno; Baptista, Catarina; Franco, Caio; Moraes, Carolina B; Müller, Wolfgang; Wittig, Ulrike; Luciani, Rosaria; Sesenna, Antony; Quotadamo, Antonio; Ferrari, Stefania; Pöhner, Ina; Cordeiro-da-Silva, Anabela; Mangani, Stefano; Costantino, Luca; Costi, Maria Paola. - In: JOURNAL OF MEDICINAL CHEMISTRY. - ISSN 0022-2623. - (2019), pp. 1234-1245. |
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