Publications

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3 Publications visible to you, out of a total of 3
Design of 2-Aminobenzothiazole Derivatives Targeting Trypanosomatid PTR1 by a Multidisciplinary Fragment Hybridization Approach.

Abstract (Expand)

Pteridine reductase 1 (PTR1) is a folate pathway enzyme essential for pathogenic trypanosomatids and a promising drug target for diseases such as sleeping sickness and leishmaniasis. Previous studies … have shown that the 2-aminobenzothiazole moiety targets the PTR1 biopterin pocket, while 3,4-dichlorophenyl-containing compounds, such as I bind a different region of the Trypanosoma brucei PTR1 (TbPTR1) pocket. This study combines both moieties via various linkers, creating two compound series screened in silico against TbPTR1 and Leishmania major PTR1 (LmPTR1). In the first series, five compounds were synthesized, and 1a and 1b emerged as potent TbPTR1 inhibitors, with 1b also being active against LmPTR1 and moderately effective against Leishmania infantum. Furthermore, structure-activity relationship analysis, supported by quantum calculations and crystallography, revealed meta-halogenation to be more favorable than para, although single halogenation reduced antiparasite effects. Our fragment hybridization approach led to less toxic, more effective compounds than I.

Authors: J. Panecka-Hofman, P. Linciano, I. Pohner, E. Dyguda-Kazimierowicz, W. Jedwabny, G. Landi, N. Santarem, G. Witt, B. Ellinger, M. Kuzikov, R. Luciani, S. Ferrari, D. Aiello, S. Mangani, C. Pozzi, A. Cordeiro-da-Silva, S. Gul, M. P. Costi, R. C. Wade

Date Published: 9th Oct 2025

Publication Type: Journal Article

Identification of Innovative Folate Inhibitors Leveraging the Amino Dihydrotriazine Motif from Cycloguanil for Their Potential as Anti-<i>Trypanosoma brucei</i> Agents

Abstract

Not specified

Authors: Valeria Francesconi, Marco Rizzo, Cecilia Pozzi, Lorenzo Tagliazucchi, Claude U. Konchie Simo, Giulia Saporito, Giacomo Landi, Stefano Mangani, Anna Carbone, Silvia Schenone, Nuno Santarém, Joana Tavares, Anabela Cordeiro-da-Silva, Maria Paola Costi, Michele Tonelli

Date Published: 2nd Jul 2024

Publication Type: Journal Article

The discovery of aryl-2-nitroethyl triamino pyrimidines as anti-Trypanosoma brucei agents

Abstract

Not specified

Authors: Pasquale Linciano, Cecilia Pozzi, Giusy Tassone, Giacomo Landi, Stefano Mangani, Matteo Santucci, Rosaria Luciani, Stefania Ferrari, Nuno Santarem, Lorenzo Tagliazucchi, Anabela Cordeiro-da-Silva, Michele Tonelli, Donatella Tondi, Laura Bertarini, Sheraz Gul, Gesa Witt, Carolina B. Moraes, Luca Costantino, Maria Paola Costi

Date Published: 2024

Publication Type: Journal Article

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