RETRACTED: Paracrine cytokine interaction between UVB-exposed epidermal keratinocytes and dermal fibroblasts in stimulating expression of skin fibroblast-derived elastase

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).Withdrawal of the article has been requested by the author, since the article was a duplication of a paper that had already appeared in Biochem J (2012) 443,297–305, http://dx.doi.org/10.1042/BJ20111876. The authors would like to apologize for this error on their part.