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Cariappa, Annaiah
Pillai, Shiv
Cariappa, Annaiah
author Pillai, Shiv
Cariappa, Annaiah
spellingShingle Pillai, Shiv
Cariappa, Annaiah
Immunology & Cell Biology
The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
Cell Biology
Immunology
Immunology and Allergy
author_sort pillai, shiv
spelling Pillai, Shiv Cariappa, Annaiah 0818-9641 1440-1711 Wiley Cell Biology Immunology Immunology and Allergy http://dx.doi.org/10.1038/icb.2008.89 <jats:p>A unique ‘second’ niche for follicular B cells has been described in the extravascular compartment of the bone marrow surrounding vascular sinusoids. The occupancy of this niche by B cells presumably evolved to facilitate humoral immune responses to blood‐borne pathogens. B cells appear to be sustained in this niche by bone marrow dendritic cells and are lost from this compartment in certain mutant mice. We discuss here what is known regarding the mechanisms of entry and egress of B cells from the perisinusoidal niche and also consider the function of the bone marrow as a secondary lymphoid organ. Although immature B cells can mature into follicular B cells in this niche as well as in the spleen, the lineage commitment event that accompanies positive selection of B cells occurs only in the spleen.</jats:p> The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes Immunology & Cell Biology
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title The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_unstemmed The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_full The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_fullStr The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_full_unstemmed The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_short The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_sort the bone marrow perisinusoidal niche for recirculating b cells and the positive selection of bone marrow‐derived b lymphocytes
topic Cell Biology
Immunology
Immunology and Allergy
url http://dx.doi.org/10.1038/icb.2008.89
publishDate 2009
physical 16-19
description <jats:p>A unique ‘second’ niche for follicular B cells has been described in the extravascular compartment of the bone marrow surrounding vascular sinusoids. The occupancy of this niche by B cells presumably evolved to facilitate humoral immune responses to blood‐borne pathogens. B cells appear to be sustained in this niche by bone marrow dendritic cells and are lost from this compartment in certain mutant mice. We discuss here what is known regarding the mechanisms of entry and egress of B cells from the perisinusoidal niche and also consider the function of the bone marrow as a secondary lymphoid organ. Although immature B cells can mature into follicular B cells in this niche as well as in the spleen, the lineage commitment event that accompanies positive selection of B cells occurs only in the spleen.</jats:p>
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author Pillai, Shiv, Cariappa, Annaiah
author_facet Pillai, Shiv, Cariappa, Annaiah, Pillai, Shiv, Cariappa, Annaiah
author_sort pillai, shiv
container_issue 1
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container_title Immunology & Cell Biology
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description <jats:p>A unique ‘second’ niche for follicular B cells has been described in the extravascular compartment of the bone marrow surrounding vascular sinusoids. The occupancy of this niche by B cells presumably evolved to facilitate humoral immune responses to blood‐borne pathogens. B cells appear to be sustained in this niche by bone marrow dendritic cells and are lost from this compartment in certain mutant mice. We discuss here what is known regarding the mechanisms of entry and egress of B cells from the perisinusoidal niche and also consider the function of the bone marrow as a secondary lymphoid organ. Although immature B cells can mature into follicular B cells in this niche as well as in the spleen, the lineage commitment event that accompanies positive selection of B cells occurs only in the spleen.</jats:p>
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spelling Pillai, Shiv Cariappa, Annaiah 0818-9641 1440-1711 Wiley Cell Biology Immunology Immunology and Allergy http://dx.doi.org/10.1038/icb.2008.89 <jats:p>A unique ‘second’ niche for follicular B cells has been described in the extravascular compartment of the bone marrow surrounding vascular sinusoids. The occupancy of this niche by B cells presumably evolved to facilitate humoral immune responses to blood‐borne pathogens. B cells appear to be sustained in this niche by bone marrow dendritic cells and are lost from this compartment in certain mutant mice. We discuss here what is known regarding the mechanisms of entry and egress of B cells from the perisinusoidal niche and also consider the function of the bone marrow as a secondary lymphoid organ. Although immature B cells can mature into follicular B cells in this niche as well as in the spleen, the lineage commitment event that accompanies positive selection of B cells occurs only in the spleen.</jats:p> The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes Immunology & Cell Biology
spellingShingle Pillai, Shiv, Cariappa, Annaiah, Immunology & Cell Biology, The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes, Cell Biology, Immunology, Immunology and Allergy
title The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_full The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_fullStr The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_full_unstemmed The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_short The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
title_sort the bone marrow perisinusoidal niche for recirculating b cells and the positive selection of bone marrow‐derived b lymphocytes
title_unstemmed The bone marrow perisinusoidal niche for recirculating B cells and the positive selection of bone marrow‐derived B lymphocytes
topic Cell Biology, Immunology, Immunology and Allergy
url http://dx.doi.org/10.1038/icb.2008.89