نتایج جستجو برای: marginal zone
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BACKGROUND AND OBJECTIVES To clarify the relationship between splenic (SMZL) and nodal marginal zone (NMZL) lymphomas, we analyzed immunoglobulin variable heavy chain (VH) gene usage and mutation patterns in these tumors. DESIGN AND METHODS VH genes were cloned and sequenced from 49 lymphoma samples (35 SMZL and 14 NMZL). RESULTS A biased usage of VH gene was found with overrepresentation o...
The somatically acquired V600E mutation of the BRAF gene has been recently described as a molecular marker of hairy cell leukemia (HCL). We developed an allele-specific PCR for this mutation and studied 62 patients with HCL, 1 with HCL variant, 91 with splenic marginal zone lymphoma, 29 with Waldenström macroglobulinemia, and 57 with B-cell chronic lymphoproliferative disorders. The BRAF V600E ...
Marginal zone (MZ) and B1 B cells have the capacity to respond to foreign Ags more rapidly than conventional B cells, providing early immune responses to blood-borne pathogens. Ly9 (CD229, SLAMF3), a member of the signaling lymphocytic activation molecule family receptors, has been implicated in the development and function of innate T lymphocytes. In this article, we provide evidence that in L...
The mutation status of genes involved in the NF-κB signaling pathway in splenic marginal zone lymphoma was examined. DNA sequence analysis of four genes was performed: CD79A, CD79B, CARD11, and MYD88 that are activated through BCR signaling or Toll-like and interleukin signaling. A single point mutation was detected in the CD79B gene (Y196H) in one of ten SMZL cases. Additionally, one point mut...
We report a case involving a 64 year old lady with bilateral pathological fractures of the neck of the femur secondary to Low Grade Splenic Marginal Zone Lymphoma, a pathology that has not previously been described in clinical literature. This particular case also highlights the value of the diagnosis and management of patients presenting with subtle and unusual symptoms, and supports the curre...
Splenic marginal zone lymphoma (SMZL) is a low-grade B-cell non-Hodgkin's lymphoma characterized by massive splenomegaly, moderate lymphocytosis with or without villous lymphocytes, rare involvement of peripheral lymph nodes and indolent clinical course. As a rare disease, with no randomized prospective trials, there is no standard of care for SMZL so far. Splenectomy has been done for many yea...
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