In vitro radical scavenging and cytotoxic activities of novel hybrid selenocarbamates

Bioorg Med Chem. 2015 Apr 15;23(8):1716-27. doi: 10.1016/j.bmc.2015.02.048. Epub 2015 Mar 4.

Abstract

Novel selenocyanate and diselenide derivatives containing a carbamate moiety were synthesised and evaluated in vitro to determine their cytotoxic and radical scavenging properties. Cytotoxic activity was tested against a panel of human cell lines including CCRF-CEM (lymphoblastic leukaemia), HT-29 (colon carcinoma), HTB-54 (lung carcinoma), PC-3 (prostate carcinoma), MCF-7 (breast adenocarcinoma), 184B5 (non-malignant, mammary gland derived) and BEAS-2B (non-malignant, derived from bronchial epithelium). Most of the compounds displayed high antiproliferative activity with GI50 values below 10μM in MCF-7, CCRF-CEM and PC-3 cells. Radical scavenging properties of the new selenocompounds were confirmed testing their ability to scavenge DPPH and ABTS radicals. Based on the activity of selenium-based glutathione peroxidases (GPxs), compounds 1a, 2e and 2h were further screened for their capacity to reduce hydrogen peroxide under thiol presence. Results suggest that compound 1a mimics GPxs activity. Cytotoxic parameters, radical scavenging activity and ADME profile point to 1a as promising drug candidate.

Keywords: ABTS(+); Carbamate; Cytotoxicity; DPPH; GPx; Radical scavenging; Selenium.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents / chemistry
  • Antineoplastic Agents / pharmacology*
  • Cell Line, Tumor
  • Cell Proliferation / drug effects*
  • Cyanates / chemistry
  • Cyanates / pharmacology*
  • Free Radical Scavengers / chemistry
  • Free Radical Scavengers / pharmacology*
  • Humans
  • Neoplasms / drug therapy*
  • Organoselenium Compounds / chemistry
  • Organoselenium Compounds / pharmacology*
  • Selenium Compounds / chemistry
  • Selenium Compounds / pharmacology*

Substances

  • Antineoplastic Agents
  • Cyanates
  • Free Radical Scavengers
  • Organoselenium Compounds
  • Selenium Compounds
  • selenocyanic acid