Differential expression of two ICAM-1 epitopes and LFA-1 chains in B-cell non-Hodgkin's lymphomas

A. Vacca, G. Ranieri, D. Ribatti, R. Di Stefano, D. Caloro, G. Serio, M. Di Loreto, F. Silvestris, F. Dammacco

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

B-cell non-Hodgkin's lymphomas (B-NHL) and B-cell areas of reactive lymphadenopathies were investigated immunohistochemically for expression of two distinct ICAM-1 epitopes, Me14/D12 and P3-58, and the LFA-1α and β chains. Partial or total loss of expression of one or both epitope(s) and/or chain(s) was evident in all B-NHL in function of increasing Working Formulation (WF) malignancy grade, with most defects in the high-grade tumors, namely the lowest detectability of the ICAM-1 Me14/D12 and LFA-1α chain, the lowest co-expression of ICAM-1 epitopes and LFA-1 chains, and the most frequent simultaneous loss. The ICAM-1 and LFA-1 profiles overlapped within the low- and intermediate-grades, whereas striking differences between the high-grade subtypes were detected. Specifically, Burkitt's and lymphoblastic tumors always lost both epitopes and both chains. Large cell, immunoblastic tumors occasionally did so, and also showed either uncoordinated expression or co-expression of these constituents. It is suggested that expression defects of this type may help differentiate malignant from benign lymphoproliferations, and also be involved in the progression of B-NHL, since most are observed in high-grade tumors, whose ICAM-1 and LFA-1 profiles indicate that their subtypes are the expression of distinct normal B-cell differentiation stages.

Original languageEnglish
Pages (from-to)85-92
Number of pages8
JournalEuropean Journal of Haematology
Volume53
Issue number2
Publication statusPublished - 1994

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Lymphocyte Function-Associated Antigen-1
B-Cell Lymphoma
Intercellular Adhesion Molecule-1
Non-Hodgkin's Lymphoma
Epitopes
Neoplasms
B-Lymphocytes
Burkitt Lymphoma
Cell Differentiation

Keywords

  • B-cell non-Hodgkin's lymphoma
  • ICAM-1
  • LFA-1
  • tumor progression

ASJC Scopus subject areas

  • Hematology

Cite this

Vacca, A., Ranieri, G., Ribatti, D., Di Stefano, R., Caloro, D., Serio, G., ... Dammacco, F. (1994). Differential expression of two ICAM-1 epitopes and LFA-1 chains in B-cell non-Hodgkin's lymphomas. European Journal of Haematology, 53(2), 85-92.

Differential expression of two ICAM-1 epitopes and LFA-1 chains in B-cell non-Hodgkin's lymphomas. / Vacca, A.; Ranieri, G.; Ribatti, D.; Di Stefano, R.; Caloro, D.; Serio, G.; Di Loreto, M.; Silvestris, F.; Dammacco, F.

In: European Journal of Haematology, Vol. 53, No. 2, 1994, p. 85-92.

Research output: Contribution to journalArticle

Vacca, A, Ranieri, G, Ribatti, D, Di Stefano, R, Caloro, D, Serio, G, Di Loreto, M, Silvestris, F & Dammacco, F 1994, 'Differential expression of two ICAM-1 epitopes and LFA-1 chains in B-cell non-Hodgkin's lymphomas', European Journal of Haematology, vol. 53, no. 2, pp. 85-92.
Vacca, A. ; Ranieri, G. ; Ribatti, D. ; Di Stefano, R. ; Caloro, D. ; Serio, G. ; Di Loreto, M. ; Silvestris, F. ; Dammacco, F. / Differential expression of two ICAM-1 epitopes and LFA-1 chains in B-cell non-Hodgkin's lymphomas. In: European Journal of Haematology. 1994 ; Vol. 53, No. 2. pp. 85-92.
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