Biscarbene gold(i) complexes: Structure-activity-relationships regarding antibacterial effects, cytotoxicity, TrxR inhibition and cellular bioavailability

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Claudia Schmidt
  • Bianka Karge
  • Rainer Misgeld
  • Aram Prokop
  • Mark Brönstrup
  • Ingo Ott

Externe Organisationen

  • Technische Universität Braunschweig
  • Universität zu Köln
  • Deutsches Zentrum für Infektionsforschung (DZIF)
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Details

OriginalspracheEnglisch
Seiten (von - bis)1681-1689
Seitenumfang9
FachzeitschriftMEDCHEMCOMM
Jahrgang8
Ausgabenummer8
PublikationsstatusVeröffentlicht - Juni 2017
Extern publiziertJa

Abstract

A series of gold(i) complexes with two N-heterocyclic carbene ligands (biscarbene gold complexes) were prepared and evaluated for their effects against cancer cells and pathogenic bacteria. Proliferation inhibition was observed in cancer cells and in Gram-positive bacteria, whereas Gram-negative bacteria were less sensitive towards the compounds. The protein binding and cellular uptake were quantified and the combined results indicated a strong correlation between cellular bioavailability and antiproliferative effects. The biscarbene gold complexes inhibited bacterial and mammalian TrxRs with low to moderate potency. However, based on the obtained structure-activity-relationships and the high cellular accumulation levels, TrxR inhibition can be considered as a relevant contributor to the cellular pharmacology of biscarbene gold(i) complexes.

ASJC Scopus Sachgebiete

Ziele für nachhaltige Entwicklung

Zitieren

Biscarbene gold(i) complexes: Structure-activity-relationships regarding antibacterial effects, cytotoxicity, TrxR inhibition and cellular bioavailability. / Schmidt, Claudia; Karge, Bianka; Misgeld, Rainer et al.
in: MEDCHEMCOMM, Jahrgang 8, Nr. 8, 06.2017, S. 1681-1689.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Schmidt C, Karge B, Misgeld R, Prokop A, Brönstrup M, Ott I. Biscarbene gold(i) complexes: Structure-activity-relationships regarding antibacterial effects, cytotoxicity, TrxR inhibition and cellular bioavailability. MEDCHEMCOMM. 2017 Jun;8(8):1681-1689. doi: 10.1039/c7md00269f
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title = "Biscarbene gold(i) complexes: Structure-activity-relationships regarding antibacterial effects, cytotoxicity, TrxR inhibition and cellular bioavailability",
abstract = "A series of gold(i) complexes with two N-heterocyclic carbene ligands (biscarbene gold complexes) were prepared and evaluated for their effects against cancer cells and pathogenic bacteria. Proliferation inhibition was observed in cancer cells and in Gram-positive bacteria, whereas Gram-negative bacteria were less sensitive towards the compounds. The protein binding and cellular uptake were quantified and the combined results indicated a strong correlation between cellular bioavailability and antiproliferative effects. The biscarbene gold complexes inhibited bacterial and mammalian TrxRs with low to moderate potency. However, based on the obtained structure-activity-relationships and the high cellular accumulation levels, TrxR inhibition can be considered as a relevant contributor to the cellular pharmacology of biscarbene gold(i) complexes.",
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note = "Funding Information: Financial support from Deutsche Forschungsgemeinschaft (DFG) is gratefully acknowledged (project codes: OT338/12-1 and BR3572/4-1). We thank Dr. Raimo Franke (HZI) for fruitful discussions and his support of this study. ",
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T2 - Structure-activity-relationships regarding antibacterial effects, cytotoxicity, TrxR inhibition and cellular bioavailability

AU - Schmidt, Claudia

AU - Karge, Bianka

AU - Misgeld, Rainer

AU - Prokop, Aram

AU - Brönstrup, Mark

AU - Ott, Ingo

N1 - Funding Information: Financial support from Deutsche Forschungsgemeinschaft (DFG) is gratefully acknowledged (project codes: OT338/12-1 and BR3572/4-1). We thank Dr. Raimo Franke (HZI) for fruitful discussions and his support of this study.

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AB - A series of gold(i) complexes with two N-heterocyclic carbene ligands (biscarbene gold complexes) were prepared and evaluated for their effects against cancer cells and pathogenic bacteria. Proliferation inhibition was observed in cancer cells and in Gram-positive bacteria, whereas Gram-negative bacteria were less sensitive towards the compounds. The protein binding and cellular uptake were quantified and the combined results indicated a strong correlation between cellular bioavailability and antiproliferative effects. The biscarbene gold complexes inhibited bacterial and mammalian TrxRs with low to moderate potency. However, based on the obtained structure-activity-relationships and the high cellular accumulation levels, TrxR inhibition can be considered as a relevant contributor to the cellular pharmacology of biscarbene gold(i) complexes.

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