Cell fusion is not involved in the generation of giant cells in the Hodgkin-Reed Sternberg cell line L1236.

Abstract:

:The mechanism of multinucleated cell formation in Hodgkin's disease has not yet been elucidated. We asked whether the giant multinucleated cells of the H-RS cell line L1236 develop via fusion of the predominant smaller cells. As a positive control for the fusion assay, human B cells from the B-cell lymphoma cell line BJA-B were split into two fractions, stained with the fluorochromes CMTMR and CMFDA, respectively, and fused using the polyethylene glycol 1500 cell hybridization protocol. Double-stained cells indicating fusion of BJA-B cells were detectable for up to 5 days. In parallel, L1236 cells were split into two fractions, stained with the fluorochromes, and mixed. No double-stained L1236 cells were detected. The same result was obtained when using FACS-sorted small mononuclear L1236 cells. It is thus concluded that the large multinucleated cells of the monoclonal H-RS cell line L1236 have emerged by endomitosis rather than by spontaneous cell fusion.

journal_name

Am J Hematol

authors

Re D,Benenson E,Beyer M,Gresch O,Draube A,Diehl V,Wolf J

doi

10.1002/ajh.1068

keywords:

subject

Has Abstract

pub_date

2001-05-01 00:00:00

pages

6-9

issue

1

eissn

0361-8609

issn

1096-8652

journal_volume

67

pub_type

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