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Carl B

Carl Borrebaeck

Professor

Carl B

CD44-stimulated human B cells express transcripts specifically involved in immunomodulation and inflammation as analyzed by DNA microarrays

Author

  • Carl-Magnus Högerkorp
  • Sven Bilke
  • Thomas Breslin
  • Sigurdur Ingvarsson
  • Carl Borrebaeck

Summary, in English

A number of studies have implicated a role for the cell surface glycoprotein CD44 in several biologic events, such as lymphopoiesis, homing, lymphocyte activation, and apoptosis. We have earlier reported that signaling via CD44 on naive B cells in addition to B-cell receptor (BCR) and CD40 engagement generated a germinal center-like phenotype. To further characterize the global role of CD44 in B differentiation, we examined the expression profile of human B cells cultured in vitro in the presence or absence of CD44 ligation, together with anti-immunoglobulin (anti-Ig) and anti-CD40 antibodies. The data sets derived from DNA microarrays were analyzed using a novel statistical analysis scheme created to retrieve the most likely expression pattern of CD44 ligation. Our results show that genes such as interleukin-6 (IL-6), IL-1alpha , and beta 2-adrenergic receptor (beta 2-AR) were specifically up-regulated by CD44 ligation, suggesting a novel role for CD44 in immunoregulation and inflammation.

Department/s

  • Department of Immunotechnology
  • Computational Biology and Biological Physics - Undergoing reorganization

Publishing year

2003

Language

English

Pages

2307-2313

Publication/Series

Blood

Volume

101

Issue

6

Document type

Journal article

Publisher

American Society of Hematology

Topic

  • Hematology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1528-0020