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- Andreasson, Ulrika, et al.
(författare)
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B cell lymphomas express CX(3)CR1 a non-B cell lineage adhesion molecule
- 2008
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835 .- 1872-7980. ; 259:2, s. 138-145
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Tidskriftsartikel (refereegranskat)abstract
- To study the differential expression of cell membrane-bound receptors and their potential role in growth and/or survival of the tumor cells, highly purified follicular lymphoma cells were analyzed, using gene expression analysis, and compared to non-malignant B cell populations. Filtering the genome for overexpressed genes coding for cell membrane-bound proteins/receptors resulted in a hit list of 27 identified genes. Among these, we have focused on the aberrant over expression of CX3CR1, in different types of B cell lymphoma, as compared to non-malignant B cells. We show that CX3CR1, which normally is not expressed on B cells, is expressed both at the mRNA and protein level in several subtypes of lymphoma. CX3CR1 has also shown to be involved in the homing to specific tissues that express the ligand, CX3CL1, in breast and prostate cancer and may thus be involved in dissemination of lymphoma.
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- Bjorck, E, et al.
(författare)
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High expression of cyclin B1 predicts a favorable outcome in patients with follicular lymphoma
- 2005
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Ingår i: Blood. - : American Society of Hematology. - 1528-0020 .- 0006-4971. ; 105:7, s. 2908-2915
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Tidskriftsartikel (refereegranskat)abstract
- Substantial research has been dedicated to the study of the relationship between genetic mechanisms regulating cell functions in tumors and how those tumors respond to various treatment regimens. Because these mechanisms are still not well understood, we have chosen to study the genetic makeup of 57 tumor samples from patients with follicular lymphoma (FL). Our goal was to develop a prognostic tool, which can be used as an aid in determining FL patients with tumors genetically predisposed to a successful treatment with the CHOP (cyclophosphamide, vincristine, doxorubicin, prednisone) regimen. To select relevant genes, high-density oligonucleotide arrays were used. There were 14 genes highly expressed in FL patients that responded well to CHOP chemotherapy, and 11 of these were involved in G(2)/M transition of the cell cycle, in mitosis, or in DNA modulation. A high expression of CCNB1 (cyclin B1), CDC2, CDKN3A, CKS1B, ANP32E, and KIAA0101, but not of the proliferation-related antigen Ki-67, was associated with better survival rate in a univariate analysis. CCNB1 expression had an independent prognostic value when included in a multivariate analysis together with the 5 parameters of the follicular lymphoma international prognostic index.
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| 6. |
- Engleson, Jens, et al.
(författare)
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Midline carcinoma with t(15;19) and BRD4-NUT fusion oncogene in a 30-year-old female with response to docetaxel and radiotherapy
- 2006
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Ingår i: BMC Cancer. - : Springer Science and Business Media LLC. - 1471-2407. ; 6
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Tidskriftsartikel (refereegranskat)abstract
- Background: Poorly differentiated midline carcinoma with a translocation between chromosomes 15 and 19, i.e. t(15; 19), has been recognized as a distinct clinical entity for over a decade. This tumor affects young individuals, shows a rapidly fatal clinical course despite intensive therapy. The t( 15; 19) results in the fusion oncogene BRD4-NUT. Information concerning treatment of this rare disorder is scarce. Case presentation: A 30-year-old woman was admitted with a rapidly progressing tumor in the mediastinum, cervical lymph nodes, vertebral column and the epidural space. Pathological, cytogenetic, FISH and PCR analysis revealed a glycogenated carcinoma rarely expressing cytokeratins and showing t( 15; 19) and BRD4-NUT gene rearrangement. The patient was initially treated with a Ewing sarcoma chemotherapy regimen, but had rapid progression after two cycles. She then received docetaxel and radiotherapy, which resulted in almost complete disappearance of the tumor. Conclusion: Docetaxel may be considered for initial chemotherapy in young patients presenting with a midline carcinoma with bone marrow involvement and cytogenetic and molecular genetic finding of a t( 15; 19)/BRD4-NUT-rearrangement. We herein describe, in detail, the laboratory methods by which the BRD4-NUT-rearrangement can be detected.
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