Notch is active in Langerhans cell histiocytosis and confers pathognomonic features on dendritic cells

Caroline Hutter, Max Kauer, Ingrid Simonitsch-Klupp, Gunhild Jug, Raphaela Schwentner, Judith Leitner, Peter Bock, Peter Steinberger, Wolfgang Bauer, Nadia Carlesso, Milen Minkov, Helmut Gadner, Georg Stingl, Heinrich Kovar, Ernst Kriehuber

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Langerhans cell histiocytosis (LCH) is an enigmatic disease defined by the accumulation of Langerhans cell-like dendritic cells (DCs). In the present study, we demonstrate that LCH cells exhibit a unique transcription profile that separates them not only from plasmacytoid and myeloid DCs, but also from epidermal Langerhans cells, indicating a distinct DC entity. Molecular analysis revealed that isolated and tissue-bound LCH cells selectively express the Notch ligand Jagged 2 (JAG2) and are the only DCs that express both Notch ligand and its receptor. We further show that JAG2 signaling induces key LCH-cell markers in monocyte-derived DCs, suggesting a functional role of Notch signaling in LCH ontogenesis. JAG2 also induced matrix-metalloproteinases 1 and 12, which are highly expressed in LCH and may account for tissue destruction in LCH lesions. This induction was selective for DCs and was not recapitulated in monocytes. The results of the present study suggest that JAG2-mediated Notch activation confers phenotypic and functional aspects of LCH to DCs; therefore, interference with Notch signaling may be an attractive strategy to combat this disease.

Original languageEnglish
Pages (from-to)5199-5208
Number of pages10
JournalBlood
Volume120
Issue number26
DOIs
StatePublished - Dec 20 2012

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Langerhans Cell Histiocytosis
Dendritic Cells
Langerhans Cells
Matrix Metalloproteinase 12
Monocytes
Tissue
Ligands
Matrix Metalloproteinase 1
Transcription
Myeloid Cells
Chemical activation

ASJC Scopus subject areas

  • Hematology
  • Biochemistry
  • Cell Biology
  • Immunology

Cite this

Hutter, C., Kauer, M., Simonitsch-Klupp, I., Jug, G., Schwentner, R., Leitner, J., ... Kriehuber, E. (2012). Notch is active in Langerhans cell histiocytosis and confers pathognomonic features on dendritic cells. Blood, 120(26), 5199-5208. https://doi.org/10.1182/blood-2012-02-410241

Notch is active in Langerhans cell histiocytosis and confers pathognomonic features on dendritic cells. / Hutter, Caroline; Kauer, Max; Simonitsch-Klupp, Ingrid; Jug, Gunhild; Schwentner, Raphaela; Leitner, Judith; Bock, Peter; Steinberger, Peter; Bauer, Wolfgang; Carlesso, Nadia; Minkov, Milen; Gadner, Helmut; Stingl, Georg; Kovar, Heinrich; Kriehuber, Ernst.

In: Blood, Vol. 120, No. 26, 20.12.2012, p. 5199-5208.

Research output: Contribution to journalArticle

Hutter, C, Kauer, M, Simonitsch-Klupp, I, Jug, G, Schwentner, R, Leitner, J, Bock, P, Steinberger, P, Bauer, W, Carlesso, N, Minkov, M, Gadner, H, Stingl, G, Kovar, H & Kriehuber, E 2012, 'Notch is active in Langerhans cell histiocytosis and confers pathognomonic features on dendritic cells', Blood, vol. 120, no. 26, pp. 5199-5208. https://doi.org/10.1182/blood-2012-02-410241
Hutter C, Kauer M, Simonitsch-Klupp I, Jug G, Schwentner R, Leitner J et al. Notch is active in Langerhans cell histiocytosis and confers pathognomonic features on dendritic cells. Blood. 2012 Dec 20;120(26):5199-5208. https://doi.org/10.1182/blood-2012-02-410241
Hutter, Caroline ; Kauer, Max ; Simonitsch-Klupp, Ingrid ; Jug, Gunhild ; Schwentner, Raphaela ; Leitner, Judith ; Bock, Peter ; Steinberger, Peter ; Bauer, Wolfgang ; Carlesso, Nadia ; Minkov, Milen ; Gadner, Helmut ; Stingl, Georg ; Kovar, Heinrich ; Kriehuber, Ernst. / Notch is active in Langerhans cell histiocytosis and confers pathognomonic features on dendritic cells. In: Blood. 2012 ; Vol. 120, No. 26. pp. 5199-5208.
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