期刊
JOURNAL OF INVESTIGATIVE DERMATOLOGY
卷 138, 期 1, 页码 98-108出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jid.2017.08.036
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资金
- Austrian Science Fund [FWF P-21449, FWF 28039]
- Laboratoires Expanscience
- EU action SKINBAD
- Estonian Ministry of Education and Research [IUT20-46]
- Austrian Science Fund (FWF) [P28039] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [P 21449] Funding Source: researchfish
Previous transcriptome analyses underscored the importance of immunological and skin barrier abnormalities in atopic dermatitis (AD). We sought to identify pathogenic pathways involved in AD by comparing the transcriptomes of AD patients stratified for filaggrin (FLG)-null mutations to those of both healthy donors and patients with ichthyosis vulgaris. We applied RNA sequencing to analyze the whole transcriptome of nonlesional skin. We found that 607 genes (476 up-regulated and 131 down-regulated by >2-fold) and 193 genes (172 up-regulated and 21 down-regulated by >2-fold) were differentially expressed when all AD or ichthyosis vulgaris patients were compared with healthy donors, respectively. Expression of genes involved in RNA/protein turnover and adenosine triphosphate synthesis, as well as genes involved in cell death, response to oxidative stress, DNA damage/repair, and autophagy, were significantly enriched in AD skin and, to a lesser extent, in ichthyosis vulgaris skin. FLG-null mutations appear to hardly interfere with current observations. Genes related to xenobiotic metabolism were up-regulated in AD skin only, as were genes related to arachidonic, linoleic, and a-linolenic acid metabolism. Thus, this work newly links AD pathogenesis to aberrant expression of genes related to xenobiotic metabolism.
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