Expression of the monomeric 67-kd lamininbinding protein in human lymphomas as defined by MLuC5 monoclonal antibody and paraffin section immunohistochemistry

Antonino Carbone, Annunziata Gloghini, Alfonso Colombatti, Vincent Castronovo, Sylvie Menard

Research output: Contribution to journalArticle

Abstract

Interactions between cancer cells and laminin, a major component of basement membranes, are mediated through a large variety of cell surface proteins designated as laminin receptors. Among the above proteins, a 67-kd monomeric high affinity laminin receptor (67 LR) has long been suspected to be involved in tumor progression. In this study we wished to establish whether the 67 LR molecule is detectable on tumor cells of Hodgkin's disease (HD) and non-Hodgkin's lymphomas (NHLs), to define its pattern of expression, and to assess the potential utility of 67 LR in differentiating these pathological entities. Morphological and immunohistological studies were performed on 85 specimens of HD and a series of 334 NHL specimens, including anaplastic large cell (ALC) (CD30-positive) lymphomas (73 specimens). For immunohistochemical assessment of the 67 LR we used the monoclonal antibody (MoAb) MLuC5 directed against the 67-kd laminin receptor on paraffin-embedded sections. Reed-Sternberg cells reacted with MLuC5 MoAb in four of 85 (4.7%) HD specimens. Among the NHL specimens, a MLuC5-positive reaction was expressed in 3.3% of B-cell lymphomas. They all belonged to the high grade subtypes. On the other hand, a MLuC5-positive reaction was detected in none of the T-cell lymphomas tested. In contrast to the results obtained with the other NHLs, in 30.2% of ALC (CD30-positive) lymphoma specimens, tumor cells reacted with MLuC5 MoAb. MLuC5-expressing ALC (CD30-positive) lymphoma cells were of either T-cell (six of 17 specimens), B-cell (three of 25 specimens), or undetermined phenotype (10 of 31 specimens). Our investigation has shown that 67 LR as shown by MLuC5 MoAb is detectable only in neoplastic cells of a fraction of ALC (CD30-positive) lymphomas and small subsets of B-cell high grade NHLs and HD. The restricted expression of the 67 LR molecule to ALC (CD30-positive) lymphomas provides a potential tool for the phenotypic separation of this pathological entity from HD and other lymphomas. Whether the detection of the 67 LR expression in these lymphoma subsets may be related to the aggressiveness of the disease remains to be ascertained.

Original languageEnglish
Pages (from-to)541-546
Number of pages6
JournalHuman Pathology
Volume26
Issue number5
DOIs
Publication statusPublished - 1995

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Anaplastic Large-Cell Lymphoma
Paraffin
Non-Hodgkin's Lymphoma
Lymphoma
Hodgkin Disease
Immunohistochemistry
Monoclonal Antibodies
Laminin Receptors
Proteins
Neoplasms
Reed-Sternberg Cells
B-Lymphocyte Subsets
T-Cell Lymphoma
B-Cell Lymphoma
Laminin
Basement Membrane
Membrane Proteins
B-Lymphocytes
T-Lymphocytes
Phenotype

Keywords

  • 67-kd laminin receptor
  • anaplastic large cell CD30-positive lymphomas
  • high grade B-cell lymphomas
  • Hodgkin's disease
  • immunohistochemistry
  • MLuC5 monoclonal antibody
  • non-Hodgkin's lymphomas

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Expression of the monomeric 67-kd lamininbinding protein in human lymphomas as defined by MLuC5 monoclonal antibody and paraffin section immunohistochemistry. / Carbone, Antonino; Gloghini, Annunziata; Colombatti, Alfonso; Castronovo, Vincent; Menard, Sylvie.

In: Human Pathology, Vol. 26, No. 5, 1995, p. 541-546.

Research output: Contribution to journalArticle

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abstract = "Interactions between cancer cells and laminin, a major component of basement membranes, are mediated through a large variety of cell surface proteins designated as laminin receptors. Among the above proteins, a 67-kd monomeric high affinity laminin receptor (67 LR) has long been suspected to be involved in tumor progression. In this study we wished to establish whether the 67 LR molecule is detectable on tumor cells of Hodgkin's disease (HD) and non-Hodgkin's lymphomas (NHLs), to define its pattern of expression, and to assess the potential utility of 67 LR in differentiating these pathological entities. Morphological and immunohistological studies were performed on 85 specimens of HD and a series of 334 NHL specimens, including anaplastic large cell (ALC) (CD30-positive) lymphomas (73 specimens). For immunohistochemical assessment of the 67 LR we used the monoclonal antibody (MoAb) MLuC5 directed against the 67-kd laminin receptor on paraffin-embedded sections. Reed-Sternberg cells reacted with MLuC5 MoAb in four of 85 (4.7{\%}) HD specimens. Among the NHL specimens, a MLuC5-positive reaction was expressed in 3.3{\%} of B-cell lymphomas. They all belonged to the high grade subtypes. On the other hand, a MLuC5-positive reaction was detected in none of the T-cell lymphomas tested. In contrast to the results obtained with the other NHLs, in 30.2{\%} of ALC (CD30-positive) lymphoma specimens, tumor cells reacted with MLuC5 MoAb. MLuC5-expressing ALC (CD30-positive) lymphoma cells were of either T-cell (six of 17 specimens), B-cell (three of 25 specimens), or undetermined phenotype (10 of 31 specimens). Our investigation has shown that 67 LR as shown by MLuC5 MoAb is detectable only in neoplastic cells of a fraction of ALC (CD30-positive) lymphomas and small subsets of B-cell high grade NHLs and HD. The restricted expression of the 67 LR molecule to ALC (CD30-positive) lymphomas provides a potential tool for the phenotypic separation of this pathological entity from HD and other lymphomas. Whether the detection of the 67 LR expression in these lymphoma subsets may be related to the aggressiveness of the disease remains to be ascertained.",
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T1 - Expression of the monomeric 67-kd lamininbinding protein in human lymphomas as defined by MLuC5 monoclonal antibody and paraffin section immunohistochemistry

AU - Carbone, Antonino

AU - Gloghini, Annunziata

AU - Colombatti, Alfonso

AU - Castronovo, Vincent

AU - Menard, Sylvie

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N2 - Interactions between cancer cells and laminin, a major component of basement membranes, are mediated through a large variety of cell surface proteins designated as laminin receptors. Among the above proteins, a 67-kd monomeric high affinity laminin receptor (67 LR) has long been suspected to be involved in tumor progression. In this study we wished to establish whether the 67 LR molecule is detectable on tumor cells of Hodgkin's disease (HD) and non-Hodgkin's lymphomas (NHLs), to define its pattern of expression, and to assess the potential utility of 67 LR in differentiating these pathological entities. Morphological and immunohistological studies were performed on 85 specimens of HD and a series of 334 NHL specimens, including anaplastic large cell (ALC) (CD30-positive) lymphomas (73 specimens). For immunohistochemical assessment of the 67 LR we used the monoclonal antibody (MoAb) MLuC5 directed against the 67-kd laminin receptor on paraffin-embedded sections. Reed-Sternberg cells reacted with MLuC5 MoAb in four of 85 (4.7%) HD specimens. Among the NHL specimens, a MLuC5-positive reaction was expressed in 3.3% of B-cell lymphomas. They all belonged to the high grade subtypes. On the other hand, a MLuC5-positive reaction was detected in none of the T-cell lymphomas tested. In contrast to the results obtained with the other NHLs, in 30.2% of ALC (CD30-positive) lymphoma specimens, tumor cells reacted with MLuC5 MoAb. MLuC5-expressing ALC (CD30-positive) lymphoma cells were of either T-cell (six of 17 specimens), B-cell (three of 25 specimens), or undetermined phenotype (10 of 31 specimens). Our investigation has shown that 67 LR as shown by MLuC5 MoAb is detectable only in neoplastic cells of a fraction of ALC (CD30-positive) lymphomas and small subsets of B-cell high grade NHLs and HD. The restricted expression of the 67 LR molecule to ALC (CD30-positive) lymphomas provides a potential tool for the phenotypic separation of this pathological entity from HD and other lymphomas. Whether the detection of the 67 LR expression in these lymphoma subsets may be related to the aggressiveness of the disease remains to be ascertained.

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