The Neurobeachin-like 2 Protein Regulates Mast Cell Homeostasis
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The Neurobeachin-like 2 Protein Regulates Mast Cell Homeostasis. / Drube, Sebastian; Grimlowski, Randy; Deppermann, Carsten; Fröbel, Julia; Kraft, Florian; Andreas, Nico; Stegner, David; Dudeck, Jan; Weber, Franziska; Rödiger, Mandy; Göpfert, Christiane; Drube, Julia; Reich, Daniela; Nieswandt, Bernhard; Dudeck, Anne; Kamradt, Thomas.
In: J IMMUNOL, Vol. 199, No. 8, 15.10.2017, p. 2948-2957.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - The Neurobeachin-like 2 Protein Regulates Mast Cell Homeostasis
AU - Drube, Sebastian
AU - Grimlowski, Randy
AU - Deppermann, Carsten
AU - Fröbel, Julia
AU - Kraft, Florian
AU - Andreas, Nico
AU - Stegner, David
AU - Dudeck, Jan
AU - Weber, Franziska
AU - Rödiger, Mandy
AU - Göpfert, Christiane
AU - Drube, Julia
AU - Reich, Daniela
AU - Nieswandt, Bernhard
AU - Dudeck, Anne
AU - Kamradt, Thomas
N1 - Copyright © 2017 by The American Association of Immunologists, Inc.
PY - 2017/10/15
Y1 - 2017/10/15
N2 - The neurobeachin-like 2 protein (Nbeal2) belongs to the family of beige and Chediak-Higashi (BEACH) domain proteins. Loss-of-function mutations in the human NBEAL2 gene or Nbeal2 deficiency in mice cause gray platelet syndrome, a bleeding disorder characterized by macrothrombocytopenia, splenomegaly, and paucity of α-granules in megakaryocytes and platelets. We found that in mast cells, Nbeal2 regulates the activation of the Shp1-STAT5 signaling axis and the composition of the c-Kit/STAT signalosome. Furthermore, Nbeal2 mediates granule formation and restricts the expression of the transcription factors, IRF8, GATA2, and MITF as well as of the cell-cycle inhibitor p27, which are essential for mast cell differentiation, proliferation, and cytokine production. These data demonstrate the relevance of Nbeal2 in mast cells above and beyond granule biosynthesis.
AB - The neurobeachin-like 2 protein (Nbeal2) belongs to the family of beige and Chediak-Higashi (BEACH) domain proteins. Loss-of-function mutations in the human NBEAL2 gene or Nbeal2 deficiency in mice cause gray platelet syndrome, a bleeding disorder characterized by macrothrombocytopenia, splenomegaly, and paucity of α-granules in megakaryocytes and platelets. We found that in mast cells, Nbeal2 regulates the activation of the Shp1-STAT5 signaling axis and the composition of the c-Kit/STAT signalosome. Furthermore, Nbeal2 mediates granule formation and restricts the expression of the transcription factors, IRF8, GATA2, and MITF as well as of the cell-cycle inhibitor p27, which are essential for mast cell differentiation, proliferation, and cytokine production. These data demonstrate the relevance of Nbeal2 in mast cells above and beyond granule biosynthesis.
KW - Animals
KW - Blood Proteins/genetics
KW - Cell Cycle
KW - Cells, Cultured
KW - Cytoplasmic Granules/metabolism
KW - GATA2 Transcription Factor/genetics
KW - Gray Platelet Syndrome/genetics
KW - Hemorrhage
KW - Interferon Regulatory Factors/genetics
KW - Mast Cells/physiology
KW - Megakaryocytes/physiology
KW - Mice
KW - Mice, Knockout
KW - Mutation/genetics
KW - Protein Tyrosine Phosphatase, Non-Receptor Type 6/metabolism
KW - Proto-Oncogene Proteins c-kit/metabolism
KW - STAT5 Transcription Factor/metabolism
KW - Signal Transduction
KW - Splenomegaly
KW - Thrombocytopenia
U2 - 10.4049/jimmunol.1700556
DO - 10.4049/jimmunol.1700556
M3 - SCORING: Journal article
C2 - 28887433
VL - 199
SP - 2948
EP - 2957
JO - J IMMUNOL
JF - J IMMUNOL
SN - 0022-1767
IS - 8
ER -