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Acta Med Okayama. 1994 Oct;48(5):231-6.

The effects of zinc oxide and diethyldithiocarbamate on the mitotic index of epidermal basal cells of mouse skin.

Author information

1
Department of Biology, Kagawa Medical School, Japan.

Abstract

The purpose of this study was to investigate the effects of topical treatment with zinc oxide (2.5%, 10%, 25% and 50%) and intraperitoneal treatment with diethyldithiocarbamate (DEDTC) (50 mg/kg, 500 mg/kg and 1,000 mg/kg) on the mitotic index of epidermal basal cells in incised and non-incised mouse skin. The present results showed that topical application of zinc oxide (25% and 50%) increased the mitotic index of epidermal basal cells in incised skin and non-incised skin. Conversely, intraperitoneal administration of DEDTC (500 mg/kg and 1,000 mg/kg) decreased the mitotic index, but only in the incised skin. These results suggest that mitosis of epidermal basal cells may be stimulated by the topical application of zinc oxide both in incised and non-incised mouse skin, and that it also may be inhibited by the intraperitoneal administration of DEDTC in incised mouse skin.

PMID:
7863793
DOI:
10.18926/AMO/31117
[Indexed for MEDLINE]

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