Surface expression of human myeloma cells: an analysis using a panel of monoclonal antibodies.

Abstract:

:Neoplastic cells of 18 patients with multiple myeloma were studied using a panel of 6 monoclonal antibodies to B cells and monospecific antisera against the light chain types of immunoglobulin. OKT10 bound to the myeloma cells of all the patients, although only a small percentage of the cells reacted in 3 instances. Monoclonal sIg was present in 5 patients. HLA-DR antigen detected with OKIa-1 was found in 5 patients. B1 bound to a small percentage of the myeloma cells only in 2 patients who had received treatment. The B1+ cells were always sIg+. In 3 patients, BA-2 reacted with the myeloma cells. BA-1 and BA-3 invariably did not react with the cells. Myeloma cells with B cell markers were found more frequently in treated patients than in untreated patients. The RPMI8226 line was also studied and found to react with OKT10 and BA-2. The results of this study show the presence of phenotypic variety in myeloma cells.

journal_name

Acta Haematol

journal_title

Acta haematologica

authors

Katagiri S,Yonezawa T,Tamaki T,Kanayama Y,Kuyama J,Ohnishi M,Tsubakio T,Kurata Y,Tarui S

doi

10.1159/000206423

subject

Has Abstract

pub_date

1984-01-01 00:00:00

pages

372-8

issue

6

eissn

0001-5792

issn

1421-9662

journal_volume

72

pub_type

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