Document Detail

Ultrastructural and immunophenotypic differentiation of dendritic cells from mouse bone marrow cultures supplemented with granulocyte/macrophage colony-stimulating factor (GM-CSF).
MedLine Citation:
PMID:  7757949     Owner:  NLM     Status:  MEDLINE    
The present study examined electron microscopical, immunohistochemical and morphometric changes in the development, differentiation, and maturation of dendritic cells in the culture of mouse bone marrow cells supplemented with granulocyte/macrophage colony-stimulating factor (GM-CSF). A large number of large dendritic cells were released from the aggregates of small round cells. These released cells showed morphological, immunophenotypic, and functional characteristics of typical dendritic cells. These dendritic cells possessed irregularly-shaped nuclei in abundant cytoplasm with rough endoplasmic reticulum (rER), vesicles, multivesicular bodies, and tubulovesicular system, and projected long dendritic cytoplasmic processes. The tubulovesicular system and dendritic surface projections were characteristic of interdigitating cells usually residing in the paracortical area of lymph nodes. Small cells in aggregates were round in shape, had oval nuclei in narrow cytoplasm with poorly developed intracellular organelles, and projected a few short processes. These cells were a proliferating population distinct from monocytes in both ultrastructure and immunophenotype. Morphometrical analysis of cultured cells provided evidence that the small cells differentiate into typical dendritic cells via intermediate cells. These results imply that dendritic cells differentiate from small round dendritic precursor cells and that GM-CSF is a major cytokine capable of inducing the development, differentiation, and proliferation of dendritic cells.
H Umezu; M Naito; K Inaba; K Takahashi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of submicroscopic cytology and pathology     Volume:  27     ISSN:  1122-9497     ISO Abbreviation:  J. Submicrosc. Cytol. Pathol.     Publication Date:  1995 Apr 
Date Detail:
Created Date:  1995-06-28     Completed Date:  1995-06-28     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8804312     Medline TA:  J Submicrosc Cytol Pathol     Country:  ITALY    
Other Details:
Languages:  eng     Pagination:  227-34     Citation Subset:  IM    
Second Department of Pathology, Niigata University School of Medicine, Japan.
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MeSH Terms
Bone Marrow / ultrastructure
Bone Marrow Cells*
Cell Differentiation / physiology*
Cells, Cultured
Dendritic Cells / physiology*,  ultrastructure*
Granulocyte-Macrophage Colony-Stimulating Factor / physiology*
Reg. No./Substance:
83869-56-1/Granulocyte-Macrophage Colony-Stimulating Factor

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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