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Träfflista för sökning "WFRF:(Beiske Klaus) "

Sökning: WFRF:(Beiske Klaus)

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1.
  • De Brouwer, Sara, et al. (författare)
  • Meta-analysis of neuroblastomas reveals a skewed ALK mutation spectrum in tumors with MYCN amplification.
  • 2010
  • Ingår i: Clinical cancer research : an official journal of the American Association for Cancer Research. - 1078-0432. ; 16:17, s. 4353-62
  • Tidskriftsartikel (refereegranskat)abstract
    • Activating mutations of the anaplastic lymphoma kinase (ALK) were recently described in neuroblastoma. We carried out a meta-analysis of 709 neuroblastoma tumors to determine their frequency and mutation spectrum in relation to genomic and clinical parameters, and studied the prognostic significance of ALK copy number and expression.
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2.
  • Menter, Thomas, et al. (författare)
  • Prognostic implications of the microenvironment for follicular lymphoma under immunomodulation therapy
  • 2020
  • Ingår i: British Journal of Haematology. - : WILEY. - 0007-1048 .- 1365-2141. ; 189:4, s. 707-717
  • Tidskriftsartikel (refereegranskat)abstract
    • Follicular lymphoma (FL) constitutes a significant proportion of lymphomas and shows frequent relapses. Beyond conventional chemotherapy, new therapeutic approaches have emerged, focussing on the interplay between lymphoma cells and the microenvironment. Here we report the immunophenotypic investigation of the microenvironment of a clinically well-characterized prospective cohort (study SAKK35/10, NCT00544219) of 154 treatment-naive FL patients in need of therapy, who have been treated with rituximab only or a combination of rituximab and the immunomodulatory drug lenalidomide/Revlimid (R) A high ratio of CD4- to CD8-positive T cells (P = 0 center dot 009) and increased amounts of PD1(+) tumour-infiltrating T cells (P = 0 center dot 007) were associated with inferior progression-free survival in the whole cohort. Interestingly, the prognostic impact of PD1(+) T cells and the CD4/CD8 ratio lost its significance in the subgroup treated with R-2. In the latter group, high amounts of GATA3(+) T helper (Th2) equivalents were associated with better progression-free survival (P < 0 center dot 001). We identified tumour microenvironmental features that allow prognostic stratification with respect to immuno- and combined immuno- and immunomodulatory therapy. Our analysis indicates that lenalidomide may compensate the adverse prognostic implication of higher amounts of CD4(+) and, particularly, PD1(+) T cells and that it has favourable effects mainly in cases with higher amounts of Th2 equivalents.
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3.
  • Ambros, Inge M, et al. (författare)
  • A multilocus technique for risk evaluation of patients with neuroblastoma.
  • 2011
  • Ingår i: Clinical cancer research : an official journal of the American Association for Cancer Research. - 1078-0432. ; 17:4, s. 792-804
  • Tidskriftsartikel (refereegranskat)abstract
    • Precise and comprehensive analysis of neuroblastoma genetics is essential for accurate risk evaluation and only pangenomic/multilocus approaches fulfill the present-day requirements. We present the establishment and validation of the PCR-based multiplex ligation-dependent probe amplification (MLPA) technique for neuroblastoma.
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4.
  • Micci, Francesca, et al. (författare)
  • Molecular cytogenetic characterization of t(14;19)(q32;p13), a new recurrent translocation in B cell malignancies
  • 2007
  • Ingår i: Virchows Archiv: an international journal of pathology. - : Springer. - 1432-2307. ; 450:5, s. 559-565
  • Tidskriftsartikel (refereegranskat)abstract
    • Translocations involving an immunoglobulin (IG) locus are a recurring theme in B cell neoplasia. The rearrangements lead to the joining of an IG gene with a (proto)oncogene, whereby the latter comes under the influence of transcription-stimulating sequences in the constitutively active IG locus resulting in deregulation of the oncogene and neoplastic growth. We present here three cases of B cell neoplasia that showed a t(14;19)(q32;p13) by karyotypic analysis. Detailed molecular cytogenetic characterization of the breakpoints on chromosomes 14 and 19 in the two cases from which extra material was available, demonstrated the involvement of the immunoglobulin heavy-chain (IGH@)-variable region on chromosome 14 in both and, in one case, that the breakpoint was within the BRD4 gene on chromosome 19. Against the background of what one knows about IGH@ involvement in lymphatic malignancies, it is difficult to envisage a fusion gene with qualitatively altered protein product as the crucial pathogenetic outcome of the translocation. In spite of the fact that we found BRD4 split by the t(14;19)(q32;p13) in one of the two informative cases, we cannot be sure that this was the pathogenetically relevant target gene. Other pathogenetic possibilities could be deregulation of the neighboring NOTCH3 and/or ABHD9 genes, located distal to BRD4 in 19p13.
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5.
  • Micci, Francesca, et al. (författare)
  • t(3;21)(q22;q22) leading to truncation of the RYK gene in atypical chronic myeloid leukemia
  • 2009
  • Ingår i: Cancer Letters. - : Elsevier. - 1872-7980. ; 277:2, s. 205-211
  • Tidskriftsartikel (refereegranskat)abstract
    • The analysis of a small number of patients with atypical chronic myeloid leukemia showing balanced chromosomal translocations has revealed diverse tyrosine kinase fusion genes, most commonly involving FGFR1, PDGFRA, PDGFRB, JAK2, and ABL. We present a case of aCML with a 3q22;21q22-translocation that led to truncation of the receptor-like tyrosine kinase (RYK) gene and its juxtaposition with sequences from chromosome 21 including the ATP50 gene coding for a mitochondrial ATP synthase. The resulting fusion was not in frame, however, which is why we speculate that an abrogated RYK gene product rather than a chimeric protein might be the leukemogenic result. (c) 2009 Elsevier Ireland Ltd. All rights reserved.
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  • Resultat 1-5 av 5

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