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- Marginal_zone_B-cell abstract "Marginal zone B cells are noncirculating mature B cells that segregate anatomically into the marginal zone (MZ) of the spleen. This region contains multiple subtypes of macrophages, dendritic cells, and the MZ B cells; it is not fully formed until 2 to 3 weeks after birth in rodents and 1 to 2 years in humans. The MZ B cells within this region typically express high levels of sIgM, CD21, CD1, CD9 with low to negligible levels of sIgD, CD23, CD5, and CD11b that help to distinguish them phenotypically from follicular (FO) B cells and B1 B cells. In humans the splenic marginal zone B cells have evidence of somatic hypermutation in their immunoglobulin genes, indicating that they have been generated through a germinal centre reaction to become memory cells. Similar to B1 B cells, MZ B cells can be rapidly recruited into the early adaptive immune responses in a T cell independent manner. The MZ B cells are especially well positioned as a first line of defense against systemic blood-borne antigens that enter the circulation and become trapped in the spleen. It is believed they are especially reactive to bacterial cell wall components and self-antigens which are the products of aging. MZ B cells also display a lower activation threshold than their FO B cell counterparts with heightened propensity for plasma cell differentiation that contributes further to the accelerated primary antibody response.In specimens where the tyrosine kinase for Pyk-2 has been knocked-out, marginal zone B-cells will fail to develop while B-1 cells will still be present.MZ B-cells are the only B-cells dependent on NOTCH2 signaling for proliferation.".
- Marginal_zone_B-cell wikiPageID "19603252".
- Marginal_zone_B-cell wikiPageLength "3264".
- Marginal_zone_B-cell wikiPageOutDegree "21".
- Marginal_zone_B-cell wikiPageRevisionID "698659859".
- Marginal_zone_B-cell wikiPageWikiLink B-1_cell.
- Marginal_zone_B-cell wikiPageWikiLink B_cell.
- Marginal_zone_B-cell wikiPageWikiLink CD1.
- Marginal_zone_B-cell wikiPageWikiLink CD23.
- Marginal_zone_B-cell wikiPageWikiLink CD5_(protein).
- Marginal_zone_B-cell wikiPageWikiLink CD9.
- Marginal_zone_B-cell wikiPageWikiLink Category:Lymphocytes.
- Marginal_zone_B-cell wikiPageWikiLink Complement_receptor_2.
- Marginal_zone_B-cell wikiPageWikiLink Dendritic_cell.
- Marginal_zone_B-cell wikiPageWikiLink Follicular_B_cell.
- Marginal_zone_B-cell wikiPageWikiLink Immunoglobulin_D.
- Marginal_zone_B-cell wikiPageWikiLink Immunoglobulin_M.
- Marginal_zone_B-cell wikiPageWikiLink Integrin_alpha_M.
- Marginal_zone_B-cell wikiPageWikiLink Macrophage.
- Marginal_zone_B-cell wikiPageWikiLink Marginal_zone.
- Marginal_zone_B-cell wikiPageWikiLink Notch_2.
- Marginal_zone_B-cell wikiPageWikiLink PTK2B.
- Marginal_zone_B-cell wikiPageWikiLink Plasma_cell.
- Marginal_zone_B-cell wikiPageWikiLink Spleen.
- Marginal_zone_B-cell wikiPageWikiLink T_cell.
- Marginal_zone_B-cell wikiPageWikiLinkText "Marginal zone B-cell".
- Marginal_zone_B-cell wikiPageWikiLinkText "marginal zone B-cell".
- Marginal_zone_B-cell wikiPageUsesTemplate Template:Lymphocytes.
- Marginal_zone_B-cell wikiPageUsesTemplate Template:Reflist.
- Marginal_zone_B-cell subject Category:Lymphocytes.
- Marginal_zone_B-cell type Redirect.
- Marginal_zone_B-cell comment "Marginal zone B cells are noncirculating mature B cells that segregate anatomically into the marginal zone (MZ) of the spleen. This region contains multiple subtypes of macrophages, dendritic cells, and the MZ B cells; it is not fully formed until 2 to 3 weeks after birth in rodents and 1 to 2 years in humans.".
- Marginal_zone_B-cell label "Marginal zone B-cell".
- Marginal_zone_B-cell sameAs Q6760431.
- Marginal_zone_B-cell sameAs m.04n46c3.
- Marginal_zone_B-cell sameAs Q6760431.
- Marginal_zone_B-cell wasDerivedFrom Marginal_zone_B-cell?oldid=698659859.
- Marginal_zone_B-cell isPrimaryTopicOf Marginal_zone_B-cell.