2017
DOI: 10.1002/anie.201610273
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In Vivo Gold Complex Catalysis within Live Mice

Abstract: Metal complex catalysis within biological systems is largely limited to cell and bacterial systems. In this work, a glycoalbumin-Au complex was designed and developed that enables organ-specific, localized propargyl ester amidation with nearby proteins within live mice. The targeted reactivity can be imaged through the use of Cy7.5- and TAMRA-linked propargyl ester based fluorescent probes. This targeting system could enable the exploitation of other metal catalysis strategies for biomedical and clinical appli… Show more

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Cited by 147 publications
(131 citation statements)
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“…Recently,T anaka and co-workers reported ag old(III)glycoalbumin-mediated labeling of aprimary amine group of ap rotein on an organ surface by using ap ropargyl ester compound ( Figure 36). [217] Them odification reaction itself is ac hemoselective amide coupling reaction between the ester group and the amine group (lysine or N-terminus), but by using the glycoalbumin as aguiding group,the reaction can be dramatically accelerated on the target organ surface.T he authors developed at wo-step interaction strategy to deliver the reactive gold complex nearby the surface of at arget organ:1 )binding of ac oumarin group of the gold complex into glycoalbumin and 2) interaction between the glycan moiety of the albumin and the surface receptor on at arget organ. In the original 2017 report, the action of the glycoalbumin-bound gold complex was thought to be as asimple Lewis acid for the propargyl group,which results in the amine and ester groups being in proximity.…”
Section: Angewandte Chemiementioning
confidence: 99%
“…Recently,T anaka and co-workers reported ag old(III)glycoalbumin-mediated labeling of aprimary amine group of ap rotein on an organ surface by using ap ropargyl ester compound ( Figure 36). [217] Them odification reaction itself is ac hemoselective amide coupling reaction between the ester group and the amine group (lysine or N-terminus), but by using the glycoalbumin as aguiding group,the reaction can be dramatically accelerated on the target organ surface.T he authors developed at wo-step interaction strategy to deliver the reactive gold complex nearby the surface of at arget organ:1 )binding of ac oumarin group of the gold complex into glycoalbumin and 2) interaction between the glycan moiety of the albumin and the surface receptor on at arget organ. In the original 2017 report, the action of the glycoalbumin-bound gold complex was thought to be as asimple Lewis acid for the propargyl group,which results in the amine and ester groups being in proximity.…”
Section: Angewandte Chemiementioning
confidence: 99%
“…[217] Bei der Modifikationsreaktion selbst handelt es sich um eine chemose-Abbildung 35. a) Ein Ni II -NTA-Komplexl enkt die proximitätsvermittelte Alkylierung oder Acylierung. [217] Bei der Modifikationsreaktion selbst handelt es sich um eine chemose-Abbildung 35. a) Ein Ni II -NTA-Komplexl enkt die proximitätsvermittelte Alkylierung oder Acylierung.…”
Section: Proximitätsvermittelte Chemieunclassified
“…[217] lektive Amidkupplung zwischen der Ester-u nd der Amingruppe (Lysin oder N-Terminus), doch durch die Verwendung von Glycoalbumin als dirigierende Gruppe kann diese Chemie auf der Oberfläche des Zielorgans drastisch beschleunigt werden. a) Schematische Illustration der Chemie.…”
Section: Abbildung 36 Organselektive Modifikationsreaktione Ines Priunclassified
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