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  • 1
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    A clonogenic bone marrow progenitor specific for macrophages and dendritic cells (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-12-03
    Description: Macrophages and dendritic cells (DCs) are crucial for immune and inflammatory responses and belong to a network of cells that has been termed the mononuclear phagocyte system (MPS). However, the origin and lineage of these cells remain poorly understood. Here, we describe the isolation and clonal analysis of a mouse bone marrow progenitor that is specific for monocytes, several macrophage subsets, and resident spleen DCs in vivo. It was also possible to recapitulate this differentiation in vitro by using treatment with the cytokines macrophage colony-stimulating factor and granulocyte-macrophage colony-stimulating factor. Thus, macrophages and DCs appear to renew from a common progenitor, providing a cellular and molecular basis for the concept of the MPS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fogg, Darin K -- Sibon, Claire -- Miled, Chaouki -- Jung, Steffen -- Aucouturier, Pierre -- Littman, Dan R -- Cumano, Ana -- Geissmann, Frederic -- A133856/PHS HHS/ -- G0900867/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2006 Jan 6;311(5757):83-7. Epub 2005 Dec 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM, Laboratory of Mononuclear Phagocyte Biology, Avenir Team, Necker Enfants Malades Institute, 75015 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16322423" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Lineage ; Cell Separation ; Clone Cells ; Colony-Stimulating Factors/pharmacology ; Dendritic Cells/*cytology ; Flow Cytometry ; Granulocyte Colony-Stimulating Factor/pharmacology ; Hematopoietic Stem Cell Transplantation ; Macrophage Colony-Stimulating Factor/pharmacology ; Macrophages/*cytology ; Mice ; Mice, Inbred C57BL ; Myeloid Progenitor Cells/*cytology/immunology ; Proto-Oncogene Proteins c-kit/analysis ; Receptors, Cytokine/analysis ; Receptors, HIV/analysis ; Recombinant Proteins ; Spleen/cytology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Thymic origin of intestinal alphabeta T cells revealed by fate mapping of RORgammat+ cells (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-07-13
    Description: Intestinal intraepithelial T lymphocytes (IELs) are likely to play a key role in host mucosal immunity and, unlike other T cells, have been proposed to differentiate from local precursors rather than from thymocytes. We show here that IELs expressing the alphabeta T cell receptor are derived from precursors that express RORgammat, an orphan nuclear hormone receptor detected only in immature CD4+CD8+ thymocytes, fetal lymphoid tissue-inducer (LTi) cells, and LTi-like cells in cryptopatches within the adult intestinal lamina propria. Using cell fate mapping, we found that all intestinal alphabeta T cells are progeny of CD4+CD8+ thymocytes, indicating that the adult intestine is not a significant site for alphabeta T cell development. Our results suggest that intestinal RORgammat+ cells are local organizers of mucosal lymphoid tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eberl, Gerard -- Littman, Dan R -- New York, N.Y. -- Science. 2004 Jul 9;305(5681):248-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Pathogenesis Program, Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15247480" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD4/analysis ; Antigens, CD8/analysis ; Cell Lineage ; DNA-Binding Proteins/metabolism ; Hematopoietic Stem Cells/immunology/physiology ; Immunity, Mucosal ; Intestinal Mucosa/cytology/*immunology ; Lymphoid Tissue/embryology/immunology ; Mice ; Mice, Transgenic ; Nuclear Receptor Subfamily 1, Group F, Member 3 ; Receptors, Antigen, T-Cell, alpha-beta/*analysis/genetics ; Receptors, Antigen, T-Cell, gamma-delta/analysis/genetics ; Receptors, Retinoic Acid/genetics/*metabolism ; Receptors, Thyroid Hormone/genetics/*metabolism ; T-Lymphocyte Subsets/cytology/*immunology ; T-Lymphocytes/cytology/*immunology ; Thymus Gland/cytology/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    A subset of CD4+ thymocytes selected by MHC class I molecules (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-03-25
    Description: To complete their maturation, most immature thymocytes depend on the simultaneous engagement of their antigen receptor [alpha beta T cell receptor (TCR)] and their CD4 or CD8 coreceptors with major histocompatibility complex class II or I ligands, respectively. However, a normal subset of mature alpha beta TCR+ thymocytes did not follow these rules. These thymocytes expressed NK1.1 and a restricted set of alpha beta TCRs that are intrinsically class I-reactive because their positive selection was class I-dependent but CD8-independent. These cells were CD4+ and CD4-8- but never CD8+, because the presence of CD8 caused negative selection. Thus, neither CD4 nor CD8 contributes signals that direct their maturation into the CD4+ and CD4-8- lineages.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bendelac, A -- Killeen, N -- Littman, D R -- Schwartz, R H -- New York, N.Y. -- Science. 1994 Mar 25;263(5154):1774-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7907820" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens/analysis ; Antigens, CD4/analysis ; Antigens, CD8/analysis ; Antigens, Ly ; Antigens, Surface ; CD4-Positive T-Lymphocytes/cytology/*immunology ; Female ; Histocompatibility Antigens Class I/*physiology ; Lectins, C-Type ; Ligands ; Lymphocyte Activation ; Male ; Mice ; Mice, Inbred C57BL ; NK Cell Lectin-Like Receptor Subfamily B ; Phenotype ; Proteins/analysis ; Receptors, Antigen, T-Cell, alpha-beta/analysis/*physiology ; T-Lymphocyte Subsets/cytology/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Immunology. Asymmetry and immune memory (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-03-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Littman, Dan R -- Singh, Harinder -- New York, N.Y. -- Science. 2007 Mar 23;315(5819):1673-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA. littman@saturn.med.nyu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17379796" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen Presentation ; Antigens, CD8/analysis ; CD8-Positive T-Lymphocytes/*cytology/*immunology ; Cell Differentiation ; *Cell Division ; Cell Lineage ; Cell Polarity ; Cytoplasm/physiology ; Dendritic Cells/immunology ; *Immunologic Memory ; Listeria monocytogenes/immunology ; Listeriosis/immunology ; Lymphocyte Activation ; Mice ; Mitosis ; Protein Kinase C/analysis ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocyte Subsets/*cytology/*immunology ; T-Lymphocytes, Cytotoxic/cytology/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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