Journal
INTERNATIONAL JOURNAL OF LABORATORY HEMATOLOGY
Volume 31, Issue 3, Pages 327-337Publisher
WILEY
DOI: 10.1111/j.1751-553X.2008.01030.x
Keywords
HLA-G antigen; HLA-G antigen; prognostic marker
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Funding
- Fundacion LAIR
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In the last few years, it has been suggested that the involvement of human leukocyte antigen-G (HLA-G) in several tumoral processes and its likely participation as a factor of immune tolerance in malignant cells. Recently, positive HLA-G surface expression has been associated with a poor prognosis in a small group of patients with B-cell chronic lymphocytic leukemia (B-CLL), a lymphoproliferative disorder characterized by a heterogeneous clinical course. In the present work, 169 patients suffering from B-CLL were analyzed for the expression of HLA-G by flow cytometry in order to verify its prognostic value in a larger cohort. We observed a low expression of this molecule on leukemic B cells and no significant relation to clinical data or progression-free survival time, indicating that this molecule is not as good immunologic prognostic marker for B-CLL as suggested.
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