نتایج جستجو برای: q21
تعداد نتایج: 1024 فیلتر نتایج به سال:
The purpose of this work was to study retrospectively the molecular response and outcome of 19 gastric mucosa associated lymphoid tissue (MALT) lymphoma patients achieving histological remission after chemotherapy or surgery. Immunoglobulin heavy chain variable (IgV(H)) gene rearrangements were studied by PCR in biopsies obtained at diagnosis and follow-up. Presence of t(11;18)(q21;q21) was stu...
Mucosa-associated lymphoid tissue (MALT) lymphoma is a common type of lymphoma in extranodal sites. The most frequent chromosome translocation associated with MALT lymphoma is t(11;18)(q21;q21), which generates a chimeric protein of c-IAP2 and MALT1/paracaspase. The c-IAP2/MALT1 fusion protein activates the NF-kappaB pathway, which is considered critical to malignant B cell transformation and l...
Two recurrent translocations have been associated with mucosa-associated lymphoid tissue (MALT)–type lymphoma, t(11; 18)(q21;q21) and t(1;14)(p22;q32). The first, t(11;18)(q21;q21), results in the fusion protein API2-MLT (API2-MALT1). Through t(1;14)(p22;q32), the BCL10 gene is entirely transferred to the IgH gene, resulting in its overexpression. Wild-type BCL10 is implicated in apoptosis, and...
CONTEXT Gastric mucosa-associated lymphoid tissue (MALT) lymphoma is clearly associated with Helicobacter pylori gastritis and can be cured with anti- H pylori therapy alone. The presence of t(11;18)(q21;q21) translocation is thought to predict a lower response rate to anti- H pylori treatment. OBJECTIVES To study the presence of t(11;18)(q21;q21) genetic translocation and its clinical impact...
Acute myeloid leukemia and myelodysplastic syndrome with inv(3)(q21q26.2)/t(3;3)(q21;q26.2) have a poor prognosis. Indeed, the inv(3)(q21q26.2)/t(3;3)(q21;q26.2) has been recognized as a poor risk karyotype in the revised International Prognostic Scoring System. However, inv(3)(q21q26.2)/t(3;3)(q21;q26.2) is not among the cytogenetic abnormalities pathognomonic for diagnosis of acute myeloid le...
The chromosomal translocation t(14;18)(q32;q21) is commonly associated with neoplasms of follicular center cell origin and has also been reported in cases of chronic lymphocytic leukemia. However, T cell acute lymphoblastic (or lymphocytic) leukemia (T-ALL) with t(14;18)(q32;q21) has been rarely reported. Here, we report a case of myeloid antigen-positive T-ALL (My+T-ALL) with t(14;18)(q32;q21)...
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