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3.
Pathol Biol (Paris) ; 39(1): 47-9, 1991 Jan.
Artigo em Francês | MEDLINE | ID: mdl-2011410

RESUMO

Chronic lymphocytic leukemia B-cells (B-CLL cells) have surface immunoglobulin (Smlg). In addition, cytoplasmic immunoglobulins (Clg) have been reported in chronic lymphocytic leukemia B-cells and are useful for ascertaining monoclonality of the disease. In a study of 60 cases of chronic lymphocytic leukemia B-cells, surface immunoglobulin determinations alone demonstrated monoclonality in 38% of cases, versus 65% of cases with combined surface immunoglobulin and cytoplasmic immunoglobulins determinations. Membrane markers were studied using a panel of monoclonal antibodies. Thirty-six per cent of patients were positive for CD 10. No correlations were seen between immunologic markers and clinical stage.


Assuntos
Linfócitos B/imunologia , Citoplasma/imunologia , Imunoglobulinas/análise , Leucemia Linfocítica Crônica de Células B/imunologia , Imunofluorescência , Humanos , Receptores de Antígenos de Linfócitos B/análise
4.
Nouv Rev Fr Hematol (1978) ; 28(5): 297-302, 1986.
Artigo em Francês | MEDLINE | ID: mdl-3492705

RESUMO

In this report the authors describe a method of cell permeabilisation compatible with flow cytometry. To maintain cell integrity, lysolecithin is used. This method is simple, rapid, and reproducible. Control tests demonstrated no non-specific fluorescence due to lysolecithin treatment. This technique was used in several cases of chronic lymphocytic leukemia to detect intracytoplasmic immunoglobulins and monoclonality and in one case of multiple myeloma.


Assuntos
Citoplasma/imunologia , Imunoglobulinas/análise , Leucemia Linfoide/imunologia , Mieloma Múltiplo/imunologia , Linfócitos B/imunologia , Permeabilidade da Membrana Celular/efeitos dos fármacos , Citometria de Fluxo , Humanos , Lisofosfatidilcolinas/farmacologia
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