Kurzen, N.* ; Mubarak, M.* ; Eigemann, J. ; Seiringer, P.* ; Wasserer, S.* ; Hillig, C. ; Menden, M.P. ; Biedermann, T.* ; Schmidt-Weber, C.B. ; Eyerich, K.* ; Jargosch, M. ; Eyerich, S. ; Lauffer, F.*
Death-associated protein kinase 1 dampens keratinocyte necroptosis and expression of genes in lichen planus.
J. Invest. Dermatol. 145, 1921-1929.e13 (2025)
Lichen planus (LP) is a chronic inflammatory disease affecting the skin, mucosa, nail, and hair. Previous studies demonstrated a pivotal role of type 1 immunity in LP because infiltrating T cells trigger apoptosis and necroptosis in the epidermis. In this study, we investigated the role of DAPK1 in LP with special focus on its role in mediating cell death and inflammation. Bulk RNA sequencing of skin biopsies revealed a high expression of DAPK1 in LP compared with that in psoriasis and atopic dermatitis. DAPK1 expression in human keratinocytes was induced by IFN-g, TNF, and IL-32. CRISPR/Cas9-mediated DAPK1 knockout led to a decreased rate of cell death and induction of proapoptotic proteins (BAX, cPARP) in human keratinocytes upon stimulation with the supernatant T cells derived from LP skin biopsies. Meanwhile, DAPK1 knockout resulted in an induction of kinases involved in necroptosis (RIPK3) and an upregulation of inflammatory genes (CXCL9, CXCL10, CXCL11, IL32, CCL2) after stimulation with LP supernatant T cells. In summary, we demonstrate that DAPK1 mediates keratinocyte apoptosis under type 1 inflammatory conditions and thereby counteracts necroptosis and regulation of inflammatory genes. These findings point toward previously unreported therapeutic approaches for activating or stabilizing DAPK1 in LP.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Scopus
Cited By
Altmetric
Publication type
Article: Journal article
Document type
Scientific Article
Thesis type
Editors
Keywords
Apoptosis; Death-associated protein kinase 1; Interface dermatitis; Lichen planus; Necroptosis; Induced Lung Injury; Atopic-dermatitis; Immune-response; Inflammation; Apoptosis; Autophagy; Cells
Keywords plus
Language
english
Publication Year
2025
Prepublished in Year
0
HGF-reported in Year
2025
ISSN (print) / ISBN
0022-202X
e-ISSN
1523-1747
ISBN
Book Volume Title
Conference Title
Conference Date
Conference Location
Proceedings Title
Quellenangaben
Volume: 145,
Issue: 8,
Pages: 1921-1929.e13
Article Number: ,
Supplement: ,
Series
Publisher
Elsevier
Publishing Place
New York, NY
Day of Oral Examination
0000-00-00
Advisor
Referee
Examiner
Topic
University
University place
Faculty
Publication date
0000-00-00
Application date
0000-00-00
Patent owner
Further owners
Application country
Patent priority
Reviewing status
Peer reviewed
POF-Topic(s)
30202 - Environmental Health
30205 - Bioengineering and Digital Health
Research field(s)
Allergy
Enabling and Novel Technologies
PSP Element(s)
G-505490-001
G-554700-001
G-505400-001
Grants
Doctoral Program Translational Medicine of the School of Medicine and Health of the Technical University of Munich
Copyright
Erfassungsdatum
2025-10-17