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Effects of Lewisite on cell membrane integrity and energy metabolism in human keratinocytes and SCL II cells by K. Kehe; S. Flohé; G. Krebs; H. Kreppel; F.X. Reichl; B. Liebl; L. Szinicz is a Environmental Science article available to read on EtoBox.

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Lewisite is a highly toxic arsenic compound which can cause skin damage. In the present study effects of Lewisite on cell membrane integrity and energy metabolism as well as antidotal effects of DL-2,3-dimercaptopropanesulfonate (DMPS), and meso-2,3-dimercaptosuccinic acid (m-DMSA) were investigated in a keratinocyte derived cell line (SCL II) and primary human keratinocytes (HK). Cells were incubated in Lewisite (60 mM) containing medium for 5 min. During the following 6 h lactate dehydrogenase (LDH) activity in the supernatant, intracellular ATP content, tetrazolium reduction, glucose consumption and lactate formation were measured. Glucose consumption and lactate production were decreased in both cell lines after Lewisite exposure. In SCL II cells an increase of LDH activity in the supernatant, a decrease of ATP content, and an impaired ability to reduce tetrazolium was found 3 h after Lewisite exposure. In HK cultures tetrazolium reduction was significantly decreased already after 2 h, whereas LDH increase in the supernatant and ATP content decrease occurred only at 6 h after Lewisite exposure. When DMPS or m-DMSA was added directly after Lewisite exposure to SCL II cells, gluc

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Author

K. Kehe; S. Flohé; G. Krebs; H. Kreppel; F.X. Reichl; B. Liebl; L. Szinicz

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0300-483X)

Published

2001

Language

EN

Field

Environmental Science (Life Sciences)