Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of human epidermal keratinocytes (NHEK) from neonatal foreskin treated with IL20 subfamily cytokines vs. controls suggests potential roles in cutaneous innate defense and pathogenic adaptive immunity in psoriasis


ABSTRACT: Normal human epidermal keratinocytes (NHEK) from neonatal foreskin were cultured in serum-free EpiLife medium with human KC growth supplement (0.2% bovine pituitary extract (v/v), 5ug bovine insulin, 5ug/ml bovine transferrin, 0.5ng/ml human EGF, and 0.18 ug/ml hydrocortisone) from Cascade Biologics. Cultures were treated with recombinant cytokines from R&D Systems. J Immunol. 2007 Feb 15;178(4):2229-40. Experiment Overall Design: NHEK were treated with IL-19, IL20, IL-22, and IL24, with controls untreated, along with IL1b, IFN gamma, and KGF.

ORGANISM(S): Homo sapiens

SUBMITTER: Kenneth Jung 

PROVIDER: E-GEOD-7216 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The effects of IL-20 subfamily cytokines on reconstituted human epidermis suggest potential roles in cutaneous innate defense and pathogenic adaptive immunity in psoriasis.

Sa Susan M SM   Valdez Patricia A PA   Wu Jianfeng J   Jung Kenneth K   Zhong Fiona F   Hall Linda L   Kasman Ian I   Winer Jane J   Modrusan Zora Z   Danilenko Dimitry M DM   Ouyang Wenjun W  

Journal of immunology (Baltimore, Md. : 1950) 20070201 4


IL-19, IL-20, IL-22, IL-24, and IL-26 are members of the IL-10 family of cytokines that have been shown to be up-regulated in psoriatic skin. Contrary to IL-10, these cytokines signal using receptor complex R1 subunits that are preferentially expressed on cells of epithelial origin; thus, we henceforth refer to them as the IL-20 subfamily cytokines. In this study, we show that primary human keratinocytes (KCs) express receptors for these cytokines and that IL-19, IL-20, IL-22, and IL-24 induce a  ...[more]

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