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Review Article
Mechanisms of Disease
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Volume 341:1520-1529 November 11, 1999 Number 20
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Cellular Origin of Human B-Cell Lymphomas
Ralf Küppers, Ph.D., Ulf Klein, Ph.D., Martin-Leo Hansmann, M.D., and Klaus Rajewsky, M.D.

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The origin of human lymphomas has been studied by various approaches, including histology and immunophenotyping. In some types of lymphoma these studies suggested the cellular origin, but in many instances the origin could not be identified. When somatic mutations of the genes for the variable region of the B-lymphocyte antigen receptor proved to be a hallmark of germinal-center B cells and their descendants, sequence analysis of the variable-region genes of B-cell lymphomas offered a molecular approach to studying the origin of the tumors. Before discussing the results of these studies, we outline the human peripheral B-cell repertoire and its generation.

The Human Peripheral B-Cell Repertoire and Its Generation

Antibody Specificity and Selection of B Cells

. . . [Full Text of this Article]

Genetic Changes in B Cells within Germinal Centers

The Peripheral B-Cell Repertoire in Humans

Precursors of Human B-Cell Lymphomas

Non-Hodgkin's Lymphomas

Hodgkin's Disease

The Role of Germinal Centers in the Pathogenesis of B-Cell Tumors

Transforming Events as Byproducts of B-Cell Differentiation in the Germinal Center

Dependence of B-Cell Lymphomas on the Expression of Antigen Receptors and the Microenvironment

The Diversity of Human B-Cell Lymphomas

Conclusions


Source Information

From the Institute for Genetics (R.K., U.K., K.R.) and the Department of Internal Medicine (R.K.), University of Cologne, Cologne; and the Department of Pathology, University of Frankfurt, Frankfurt (M.-L.H.) — both in Germany.

Address reprint requests to Dr. Küppers at the University of Cologne, Department of Internal Medicine, LFI E4 R706, Joseph-Stelzmannstr. 9, 50931 Cologne, Germany, or at rkuppers@mac.genetik.uni-koeln.de.

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