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2011 | 55 | 2 |

Tytuł artykułu

Cellular toxicityof malachite green and leucomalachite green evaluated on two rat cell lines by MTT, NRU, LDH and protein assays

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The cytotoxicity of malachite green (MG) and its major metabolite, leucomalachite green (LMG) was investigated using rat FaO and L6 cell lines. Eight concentrations ranging from 0.1 to 100 µM (MG) and 10 to 1,000 µM (LMG) were tested in three independent experiments. Four cytotoxicity assays were applied in which various biochemical endpoints were assessed: mitochondrial activity (MTT assay), proliferation (total protein content assay), lysosomal activity (neutral red uptake assay), and membrane integrity (LDH leakage assay). The mean effective concentrations (EC₅₀) were calculated from the dose-response curves after 24, 48, and 72 h of exposure. The concentration- and time- dependent effects were observed. MG was very toxic and FaO cells were more sensitive than L6 cells. EC₅₀ values were <10 µM in MTT, NRU, LDH tests (in FaO cells), and in NRU, MTT (in L6 cells) indicating that the primary mechanism of toxicity is inhibition of mitochondrial and lysosomal activity. The LMG gave only slight toxic effect at the hundreds times higher concentrations, with the exception of NRU assay for which EC₅₀ values after 48 and 72 h exposure were very low (<10 µM).

Słowa kluczowe

Wydawca

-

Rocznik

Tom

55

Numer

2

Opis fizyczny

p.347-353,fig.,ref.

Twórcy

autor
  • Department of Pharmacology and Toxicology, National Veterinary Research Institute, 24-100 Pulawy, Poland
autor

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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