Tumorigenic effect of some commonly used moisturizing creams when applied topically to UVB-pretreated high-risk mice.
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| Abstract |
Irradiation of SKH-1 mice with UVB (30 mJ cm(-2)) twice a week for 20 weeks resulted in mice with a high risk of developing skin tumors over the next several months in the absence of further irradiation with UVB (high-risk mice). Topical applications of 100 mg of Dermabase, Dermovan, Eucerin Original Moisturizing Cream (Eucerin), or Vanicream once a day, 5 days a week for 17 weeks to these high-risk mice increased significantly the rate of formation of tumors and the rate of increase in tumor size per mouse. Additional studies indicated that treatment of high-risk mice with Dermabase, Dermovan, Eucerin, or Vanicream for 17 weeks increased the total number of histologically characterized tumors by 69% (average of two experiments; P<0.0001 in each experiment), 95% (P<0.0001), 24% (P<0.01), and 58% (P<0.0001), respectively. Topical applications of a specially designed Custom Blend cream to high-risk mice was not tumorigenic. The results indicate that several commercially available moisturizing creams increase the rate of formation and number of tumors when applied topically to UVB-pretreated high-risk mice. Further studies are needed to determine the effects of topical applications of moisturizing creams on sunlight-induced skin cancer in humans.
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| Authors | Yao-Ping Lu, You-Rong Lou, Jian-Guo Xie, Qingyun Peng, Weichung J Shih, Yong Lin, Allan H Conney |
| Journal | The Journal of investigative dermatology (J Invest Dermatol) Vol. 129 Issue 2 Pg. 468-75 (Feb 2009) ISSN: 1523-1747 [Electronic] United States |
| PMID | 18704106 (Publication Type: Journal Article, Research Support, N.I.H., Extramural) |
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