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Updated: Jul 13, 2026
12:24
Murine Model of CD40-activation of B cells
Published on: March 5, 2010
Neural cell adhesion molecule (CD56)-positive B-cell lymphoma
Yasushi Isobe1, Koichi Sugimoto, Kengo Takeuchi
1Department of Hematology, Juntendo University School of Medicine, Bunkyo-ku, Tokyo, Japan. yisobe@med.juntendo.ac.jp
European Journal of Haematology
|July 20, 2007
Summary
CD56 expression is uncommon in B-cell lymphomas. This study details four cases, suggesting CD56 influences tumor growth patterns and expansion in these rare lymphomas.
Area of Science:
- Hematology
- Oncology
- Immunology
Background:
- CD56 (neural cell-adhesion molecule) expression is rarely observed in B-cell lymphomas.
- B-cell lymphomas typically originate from germinal center B-cells.
Observation:
- Four cases of CD56-positive B-cell lymphoma were identified, including follicular lymphoma and diffuse large B-cell lymphoma.
- These lymphoma cells exhibited co-expression of CD10 and bcl-6, indicative of a germinal center-stage phenotype.
- Immunohistochemistry revealed CD56-positive cells forming aggregates with a cohesive growth pattern.
Findings:
- The cohesive growth pattern suggests that homotypic adhesion mediated by CD56 may influence the growth and expansion of these lymphomas.
- CD56 expression levels varied across the observed cases.
Implications:
- CD56 may play a role in the pathogenesis and growth dynamics of specific B-cell lymphomas.
- Further research into CD56's function could reveal novel therapeutic targets for CD56-positive B-cell lymphomas.
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