Dynamic and physical clustering of gene expression during epidermal barrier formation in differentiating keratinocytes

Jennifer M Taylor, Teresa L Street, Lizhong Hao, Richard Copley, Martin S Taylor, Patrick J Hayden, Gina Stolper, Richard Mott, Jotun Hein, Miriam F Moffatt, William O C M Cookson

Research output: Contribution to journalArticlepeer-review

Abstract

The mammalian epidermis is a continually renewing structure that provides the interface between the organism and an innately hostile environment. The keratinocyte is its principal cell. Keratinocyte proteins form a physical epithelial barrier, protect against microbial damage, and prepare immune responses to danger. Epithelial immunity is disordered in many common diseases and disordered epithelial differentiation underlies many cancers. In order to identify the genes that mediate epithelial development we used a tissue model of the skin derived from primary human keratinocytes. We measured global gene expression in triplicate at five times over the ten days that the keratinocytes took to fully differentiate. We identified 1282 gene transcripts that significantly changed during differentiation (false discovery rate
Original languageEnglish
Pages (from-to)e7651
JournalPLoS ONE
Volume4
Issue number10
DOIs
Publication statusPublished - 2009

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