The biology and treatment of chronic lymphocytic leukemia
نویسندگان
چکیده
منابع مشابه
Chronic lymphocytic leukemia, biology, new diagnosis and treatment: review article
Chronic lymphocytic leukemia (CLL) is a malignancy of B CD5+cells and is the most common type of leukemia in adults. The disease is more common in men over 50 years in western countries. CLL is associated with defective apoptosis in B cells. CLL was traditionally regarded as a disease that occurs before naïve B cells meet the antigen in the lymph nodes. Laboratory diagnosis requires white blood...
متن کاملBiology and treatment of chronic lymphocytic leukemia.
Major advances have occurred in our understanding of the biology, immunology, and opportunities for treatment of chronic lymphocytic leukemia (CLL) in recent times. Surface antigen analysis has helped us define classical CLL and differentiate it from variants such as marginal zone leukemia, mantle cell leukemia, and prolymphocytic leukemia. An important observation has been that the B-cells in ...
متن کاملThe biology and treatment of chronic lymphocytic leukemia.
B-cell chronic lymphocytic leukemia (B-CLL) is characterized by the progressive accumulation of functionally incompetent, mature looking, monoclonal CD5+, CD23+ B lymphocytes in blood, bone marrow, lymph nodes and spleen/liver. CLL B cells express low levels of surface immunoglobulin (Ig)M, IgD (10% of those on normal B cells), CD21, CD22 and CD79b. Close to 99% of B-CLL lymphocytes in peripher...
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MicroRNAs are small, non-coding sequences that regulate gene expression by inducing degradation or translational inhibition of target mRNAs. These molecules control many intracellular physiological and pathological processes.Abnormal expression of these moleculs has been described in different cancers including hematopoietic cancers. According to the type of cancer and the stage, miRNA’s expres...
متن کاملDiagnosis and treatment of chronic lymphocytic leukemia: recommendations from the Brazilian Group of Chronic Lymphocytic Leukemia
Chronic lymphocytic leukemia is characterized by clonal proliferation and progressive accumulation of B-cell lymphocytes that typically express CD19+, CD5+ and CD23+. The lymphocytes usually infiltrate the bone marrow, peripheral blood, lymph nodes, and spleen. The diagnosis is established by immunophenotyping circulating B-lymphocytes, and prognosis is defined by two staging systems (Rai and B...
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ژورنال
عنوان ژورنال: Annals of Oncology
سال: 2006
ISSN: 0923-7534
DOI: 10.1093/annonc/mdl252