Nicotine induces the expression of early growth response-1 in human skin dermal fibroblasts

被引：4

作者：

Choi, Jae Eun

Kim, Ji Na

Jeong, Sang Hoon

Son, Sang Wook ^{[1
]}

机构：

[1] Korea Univ, Coll Med, Dept Dermatol, Lab Cell Signaling & Nanomed, Seoul 136705, South Korea

来源：

INTERNATIONAL JOURNAL OF DERMATOLOGY | 2010年 / 49卷 / 02期

关键词：

TRANSCRIPTION FACTOR; EGR-1; DIFFERENTIATION; PROLIFERATION; SEQUENCES; RECEPTOR; SMOKING; ENCODES; PROTEIN; CELLS;

D O I：

10.1111/j.1365-4632.2009.04210.x

中图分类号：

R75 [皮肤病学与性病学];

学科分类号：

100227 [皮肤病学];

摘要：

Background Egr-1 is known to play an important role in cell growth, differentiation, and cell survival. Human skin dermal fibroblasts (HSDF) may be an important target for adverse effects of tobacco components. However, nicotinic effect for early growth response-1 (Egr-1) expression is unknown in HSDF. Methods Cytotoxicity of nicotine was assessed by cell viability test in HSDF. The expression of Egr-1 protein and mRNA after nicotine treatment was evaluated by Western blotting and real-time reverse transcription-polymerase chain reaction. We also measured the promoter activity of Egr-1 in HSDF after nicotine exposure. Results Early growth response-1 protein and mRNA levels were increased in dermal fibroblasts exposed to nicotine. Nicotine treatment stimulated the promoter activity of Egr-1 in cultured human fibroblasts. Conclusion In this study, we demonstrate that Egr-1 expression is markedly induced in HSDF after exposure to nicotine.

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页码：158 / 161

页数：4

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