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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Stern, L. J. Belyanskaya, S. L. Fischer, F. R. Cipriani, B. Ricciardi-castagnoli, P. Strominger, J. L. Santambrogio, L. Brosnan, C. F. Riese, R. |
| Description | Author Affiliation: Santambrogio L ( Department of Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Boston, MA 02115, USA. laura_santambrogio@dfci.harvard.edu); |
| Abstract | Microglia arise from CD45(+) bone marrow precursors that colonize the fetal brain and play a key role in central nervous system inflammatory conditions. We report that parenchymal microglia are uncommitted myeloid progenitors of immature dendritic cells and macrophages by several criteria, including surface expression of 'empty' class II MHC protein and their cysteine protease (cathepsin) profile. Microglia express receptors for stem cell factor and can be skewed toward more dendritic cell or macrophage-like profiles in response to the lineage growth factors granulocyte/macrophage colony-stimulating factor or macrophage colony-stimulating factor. Thus, in contrast to other organs, where terminally differentiated populations of resident dendritic cells and/or macrophages outnumber colonizing precursors, the majority of microglia within the brain remain in an undifferentiated state. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 11 |
| Volume Number | 98 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2001-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Microglia Immunology Neuronal Plasticity Animals Cathepsins Genetics Cell Differentiation Cells, Cultured Central Nervous System Cytology Dendritic Cells Granulocyte-Macrophage Colony-Stimulating Factor Pharmacology Hematopoietic Stem Cells Histocompatibility Antigens Class II Interferon-gamma Macrophages Membrane Proteins Biosynthesis Mice Drug Effects Stem Cell Factor Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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