Procoagulant cellular activity (PCA) in the classification of acute leukemia.

Abstract:

:The procoagulant cellular activity (PCA) of leukemic cells was evaluated, before and after endotoxin stimulation, in 38 patients with acute leukemia at presentation subdivided according to the FAB classification. In the M4 and M5 subgroups the stimulated leukemic cells showed a significant increase in the production of PCA compared with freshly isolated cells. No evident PCA was documented in M1 and M2 AML as well as in the majority of acute lymphoid leukemias tested, both before and after endotoxin stimulation. The myeloid and lymphoid leukemic cells appear to behave similarly to normal leucocytes, within which only monocyte/macrophages are capable of producing PCA following endotoxin stimulation. These findings suggest that in human leukemic cells the endotoxin-induced production of PCA may be considered a indicator of monocyte/macrophage differentiation and thus represent a valuable diagnostic tool in the classification of acute leukemias.

journal_name

Thromb Res

journal_title

Thrombosis research

authors

Guarini A,Gugliotta L,Catani L,Chetti L,Macchi S,Tura S

doi

10.1016/0049-3848(87)90317-3

subject

Has Abstract

pub_date

1987-03-01 00:00:00

pages

545-52

issue

5

eissn

0049-3848

issn

1879-2472

pii

0049-3848(87)90317-3

journal_volume

45

pub_type

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