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Angewandte Chemie v.130 no.29, 2018년, pp.9171 - 9175  

Direct Real‐Time Monitoring of Prodrug Activation by Chemiluminescence

Gnaim, Samer (School of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel ) ; Scomparin, Anna (Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel ) ; Das, Sayantan (School of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel ) ; Blau, Rachel (Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel ) ; Satchi‐Fainaro, Ronit (Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel ) ; Shabat, Doron (School of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel ) ;
  • 초록  

    Abstract The majority of theranostic prodrugs reported so far relay information through a fluorogenic response generated upon release of the active chemotherapeutic agent. A chemiluminescence detection mode offers significant advantages over fluorescence, mainly due to the superior signal‐to‐noise ratio of chemiluminescence. Here we report the design and synthesis of the first theranostic prodrug monitored by a chemiluminescence diagnostic mode. As a representative model, we prepared a prodrug from the chemotherapeutic monomethyl auristatin E, which was modified for activation by β‐galactosidase. The activation of the prodrug in the presence of β‐galactosidase is accompanied by emission of a green photon. Light emission intensities, which increase with increasing concentration of the prodrug, were linearly correlated with a decrease in the viability of a human cell line that stably expresses β‐galactosidase. We obtained sharp intravital chemiluminescent images of endogenous enzymatic activity in β‐galactosidase‐overexpressing tumor‐bearing mice. The exceptional sensitivity achieved with the chemiluminescence diagnostic mode should allow the exploitation of theranostic prodrugs for personalized cancer treatment.


  • 주제어

    Chemilumineszenz .   Fluoreszenzsonden .   Molekulare Bildgebung .   Prodrugs .   Theranostik.  

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