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Differentiating agents do not induce a true hairy cell phenotype in B-CLL cells in vitro
被引:1
|作者:
Gartenhaus, R
[1
]
Hoffman, M
[1
]
Fuchs, A
[1
]
Billet, H
[1
]
Wang, P
[1
]
Gentile, P
[1
]
Rai, K
[1
]
机构:
[1] LONG ISL JEWISH MED CTR,DEPT MED,DIV HEMATOL ONCOL,NEW HYDE PK,NY 11042
关键词:
chronic lymphocytic leukemia (CLL);
hairy cell leukemia (HCL);
differentiating agents;
phorbol esters;
lactones;
retinoids;
D O I:
10.3109/10428199609051734
中图分类号:
R73 [肿瘤学];
学科分类号:
100214 ;
摘要:
B-Chronic lymphocytic leukemia (B-CLL) and hairy cell leukemia (HCL) are both differentiated B-cell lymphoproliferative disorders. Prior studies have suggested that phorbol esters and the macrocyclic lactone Bryostatin-1, which are both protein kinase-C activators, can induce the differentiation of B-CLL cells into HCL cells in vitro, as evidenced by morphology, phenotype and TRAP activity. The differentiating effect of all-trans retinoic acid on B-CLL cells has been less extensively studied. We studied the effects of incubating adherence purified B-CLL cells with phorbol myristic acetate (PMA), all-trans retinoic acid (ATRA), and Bryostatin-1. None of these agents induced a true HCL phenotype (CD5-, CD11c/CD25 coexpression) under the conditions studied.
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页码:97 / &
页数:6
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