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Sökning: WFRF:(Grønbæk Kirsten) > (2020)

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1.
  • Eskelund, Christian Winther, et al. (författare)
  • Clonal hematopoiesis evolves from pretreatment clones and stabilizes after end of chemotherapy in patients with MCL
  • 2020
  • Ingår i: Blood. - : American Society of Hematology. - 1528-0020 .- 0006-4971. ; 135:22, s. 2000-2004
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Eskelund et al examined clonal hematopoiesis (CH) in a cohort of patients with mantle cell lymphoma (MCL) treated with first-line chemotherapy and autologous stem cell transplantation. In young, good-risk MCL patients, CH after first-line therapy arises almost entirely from preexisting clones, stabilizes after a period of expansion posttransplantation, and does not negatively impact survival.
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2.
  • Rodrigues, Joana M., et al. (författare)
  • p53 is associated with high-risk and pinpoints TP53 missense mutations in mantle cell lymphoma
  • 2020
  • Ingår i: British Journal of Haematology. - : Wiley. - 0007-1048 .- 1365-2141. ; 191:5, s. 796-805
  • Tidskriftsartikel (refereegranskat)abstract
    • Survival for patients diagnosed with mantle cell lymphoma (MCL) has improved drastically in recent years. However, patients carrying mutations in tumour protein p53 (TP53) do not benefit from modern chemotherapy-based treatments and have poor prognosis. Thus, there is a clinical need to identify missense mutations through routine analysis to enable patient stratification. Sequencing is not widely implemented in clinical practice for MCL, and immunohistochemistry (IHC) is a feasible alternative to identify high-risk patients. The aim of the present study was to investigate the accuracy of p53 as a tool to identify patients with TP53 missense mutations and the prognostic impact of overexpression and mutations in a Swedish population-based cohort. In total, 317 cases were investigated using IHC and 255 cases were sequenced, enabling analysis of p53 and TP53 status among 137 cases divided over the two-cohort investigated. The accuracy of predicting missense mutations from protein expression was 82%, with sensitivity at 82% and specificity at 100% in paired samples. We further show the impact of p53 expression and TP53 mutations on survival (hazard ratio of 3·1 in univariate analysis for both), and the association to risk factors, such as high MCL International Prognostic Index, blastoid morphology and proliferation, in a population-based setting.
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