Chronic lymphocytic leukemia


Published: June 23, 2009
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Chronic Lymphocytic Leukemia (CLL) is characterized by the expansion of monoclonal CD5+ B lymphocytes that accumulate in lymphoid organs, bone marrow (BM) and peripheral blood (PB). Refined cytogenetic studies are documenting the clinical importance of genetic subtyping CLL. The CLL-specific gene alterations are gradually coming to light thanks to mouse models and to the discovery that microRNA (miRNA) genes frequently reside in hot spots for chromosomal abnormalities in CLL cells: as an miR-15a and miR-16-1 are located at 13q14.3. The emerging view is that the main genetic alterations of CLL entail the deregulation of specific microRNAs (miRNAs) that lead to transcriptional/posttranscriptional abnormalities.

Supporting Agencies


Caligaris-Cappio, F. (2009). Chronic lymphocytic leukemia. Hematology Meeting Reports (formerly Haematologica Reports), 2(5). https://doi.org/10.4081/hmr.v2i5.727

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