Loricrin and involucrin expression is down-regulated by Th2 cytokines through STAT-6

Atopic dermatitis (AD) is characterized by a defective skin barrier which allows increased allergen and pathogen penetration. Loricrin (LOR) and involucrin (IVL) are proteins important for skin barrier formation and integrity. In this study, we demonstrate that the gene and protein expression of LOR...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 126(2008), 3 vom: 15. März, Seite 332-7
1. Verfasser: Kim, Byung Eui (VerfasserIn)
Weitere Verfasser: Leung, Donald Y M, Boguniewicz, Mark, Howell, Michael D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Cytokines Membrane Proteins Protein Precursors STAT6 Transcription Factor loricrin involucrin 60108-77-2
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520 |a Atopic dermatitis (AD) is characterized by a defective skin barrier which allows increased allergen and pathogen penetration. Loricrin (LOR) and involucrin (IVL) are proteins important for skin barrier formation and integrity. In this study, we demonstrate that the gene and protein expression of LOR and IVL is significantly decreased in involved (LOR: p<0.001; IVL: p<0.001) and uninvolved (LOR: p<0.001; IVL: p<0.001) skin of AD subjects, as compared to skin from healthy subjects. Using primary keratinocytes, we further demonstrate the down-regulatory effect of IL-4 and IL-13--which are over-expressed in the skin of AD patients--on LOR and IVL expression in keratinocytes. Additionally, skin biopsies from signal transducer and activator of transcription (STAT)-6 transgenic mice were deficient in the expression and production of LOR and IVL. This study suggests that Th2 cytokines inhibit expression of LOR and IVL through a STAT-6 dependent mechanism 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Membrane Proteins  |2 NLM 
650 7 |a Protein Precursors  |2 NLM 
650 7 |a STAT6 Transcription Factor  |2 NLM 
650 7 |a loricrin  |2 NLM 
650 7 |a involucrin  |2 NLM 
650 7 |a 60108-77-2  |2 NLM 
700 1 |a Leung, Donald Y M  |e verfasserin  |4 aut 
700 1 |a Boguniewicz, Mark  |e verfasserin  |4 aut 
700 1 |a Howell, Michael D  |e verfasserin  |4 aut 
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