Inhibitory Effect of Silver Nanoparticles on Trypanothione Reductase Activity and Leishmania infantum Proliferation (Articolo in rivista)

Type
Label
  • Inhibitory Effect of Silver Nanoparticles on Trypanothione Reductase Activity and Leishmania infantum Proliferation (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ml1002629 (literal)
Alternative label
  • Baiocco P; Ilari A; Ceci P; Orsini S; Gramiccia M; Di Muccio T; Colotti G. (2011)
    Inhibitory Effect of Silver Nanoparticles on Trypanothione Reductase Activity and Leishmania infantum Proliferation
    in ACS medicinal chemistry letters; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Baiocco P; Ilari A; Ceci P; Orsini S; Gramiccia M; Di Muccio T; Colotti G. (literal)
Pagina inizio
  • 230 (literal)
Pagina fine
  • 233 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 2 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Roma La Sapienza, Inst Mol Biol & Pathol CNR, I-00185 Rome, Italy 2. Univ Roma La Sapienza, Dept Biochem Sci, I-00185 Rome, Italy 3. Ist Super Sanita, Dipartimento Malattie Infett Parassitarie & Immun, I-00161 Rome, Italy (literal)
Titolo
  • Inhibitory Effect of Silver Nanoparticles on Trypanothione Reductase Activity and Leishmania infantum Proliferation (literal)
Abstract
  • In Leishmania the glutathione/glutathione reductase eukaryotic redox system is replaced by the unique trypanothione/trypanothione reductase (TR) system. In vitro, silver is a more effective TR inhibitor than antimony, the first line drug against leishmaniasis in most endemic countries, and its mechanism of inhibition is similar to that of Sb(III). In particular, silver binds with high affinity to the catalytic triad Cys52, Cys57, and His461', thereby inhibiting TR. Here, Ag(0) activity was tested on the promastigote and amastigote stages of Leishmania infantum using a drug-delivery system consisting in Ag(0) nanoparticles encapsulated by ferritin molecules (PfFt-AgNPs). These were able to induce an antiproliferative effect on the parasites at metal concentrations lower than those used with antimony. (literal)
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