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Defective G-CSFR signaling pathways in congenital neutropenia.
- Source :
-
Hematology/oncology clinics of North America [Hematol Oncol Clin North Am] 2013 Feb; Vol. 27 (1), pp. 75-88, viii. Date of Electronic Publication: 2012 Nov 27. - Publication Year :
- 2013
-
Abstract
- Several signaling systems downstream of G-CSFR have been identified that are defective or hyperactivated in myeloid cells of patients with congenital neutropenia: severely reduced expression of myeloid-specific transcription factors LEF-1 and C/EBPα, severely reduced expression and functions of HCLS1 protein, severely reduced expression of neutrophil elastase protein, dramatic compensatory up-regulation of the NAMPT/NAD(+)/SIRT pathway leading to continuous activation of emergency granulopoiesis via the transcription factor C/EBPβ, and hyperactivation of STAT5 protein by tyrosine phosphorylation.<br /> (Copyright © 2013 Elsevier Inc. All rights reserved.)
- Subjects :
- Adaptor Proteins, Signal Transducing genetics
Animals
Blood Proteins genetics
CCAAT-Enhancer-Binding Protein-alpha genetics
Cell Differentiation genetics
Cell Transformation, Neoplastic genetics
Cell Transformation, Neoplastic metabolism
Gene Expression Regulation
Humans
Leukocyte Elastase genetics
Lymphoid Enhancer-Binding Factor 1 genetics
Mutation
Myeloid Cells metabolism
Myeloid Progenitor Cells cytology
Myeloid Progenitor Cells metabolism
Myelopoiesis genetics
Neutropenia metabolism
Nicotinamide Phosphoribosyltransferase metabolism
Receptors, Granulocyte Colony-Stimulating Factor deficiency
Neutropenia congenital
Neutropenia genetics
Receptors, Granulocyte Colony-Stimulating Factor genetics
Signal Transduction
Subjects
Details
- Language :
- English
- ISSN :
- 1558-1977
- Volume :
- 27
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Hematology/oncology clinics of North America
- Publication Type :
- Academic Journal
- Accession number :
- 23351989
- Full Text :
- https://doi.org/10.1016/j.hoc.2012.11.001