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In situ studies of the primary immune response to (4-hydroxy-3-nitrophenyl)acetyl. II. A common clonal origin for periarteriolar lymphoid sheath-associated foci and germinal centers.

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Date
1992-09-01
Authors
Jacob, J
Kelsoe, G
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Abstract
In the genetically restricted response that follows immunization with (4-hydroxy-3-nitrophenyl)acetyl coupled to protein carriers, two distinct populations of B cells are observed in the spleens of C57BL/6 mice. By 48 h postimmunization, foci of antigen-binding B cells appear along the periphery of the periarteriolar lymphoid sheaths. These foci expand to contain large numbers of antibody-forming cells that neither bind the lectin, peanut agglutinin, nor mutate the rearranged immunoglobulin variable region loci. Germinal centers containing peanut agglutinin-positive B cells can be observed by 96-120 h after immunization. Although specific for the immunizing hapten, these B cells do not produce substantial amounts of antibody, but are the population that undergoes somatic hypermutation and affinity-driven selection. Both focus and germinal center populations are pauciclonal, founded, on average, by three or fewer B lymphocytes. Despite the highly specialized roles of the focus (early antibody production) and germinal center (higher affinity memory cells) B cell populations, analysis of VH to D to JH joins in neighboring foci and germinal centers demonstrate that these B cell populations have a common clonal origin.
Type
Journal article
Subject
Animals
B-Lymphocytes
Base Sequence
Clone Cells
DNA
Female
Haptens
Immunoenzyme Techniques
Immunoglobulin Heavy Chains
Lymphoid Tissue
Mice
Mice, Inbred C57BL
Molecular Sequence Data
Nitrophenols
Phenylacetates
Sequence Homology, Nucleic Acid
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https://hdl.handle.net/10161/11492
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Scholars@Duke

Kelsoe

Garnett H. Kelsoe

James B. Duke Distinguished Professor of Immunology
1. Lymphocyte development and antigen-driven diversification of immunoglobulin and T cell antigen receptor genes. 2. The germinal center reaction and mechanisms for clonal selection and self - tolerance. The origins of autoimmunity. 3. Interaction of innate- and adaptive immunity and the role of inflammation in lymphoid organogenesis. 4. The role of secondary V(D)J gene rearrangment in lymphocyte development and malignancies. 5. Mathematical modeling of immune responses,
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