4.7 Article

Prognostic role of SOX11 in a population-based cohort of mantle cell lymphoma

Journal

BLOOD
Volume 119, Issue 18, Pages 4215-4223

Publisher

AMER SOC HEMATOLOGY
DOI: 10.1182/blood-2011-12-400580

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Funding

  1. Swedish Cancer Society
  2. Swedish Research Council
  3. Cancer Society in Stockholm
  4. Karolinska Institutet Funds
  5. Stockholm County Council

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The prognostic role of the transcription factor SOX11 in mantle cell lymphoma (MCL) is controversial. We investigated prognostic markers in a population-based cohort of 186 MCL cases. Seventeen patients (9%) did not require any therapy within the first 2 years after diagnosis and were retrospectively defined as having an indolent disease. As expected, indolent MCL had less frequent B symptoms and extensive nodal involvement and 88% of these cases expressed SOX11. In our cohort 13 cases (7.5%) lacked nuclear SOX11 at diagnosis. SOX11(-) MCL had a higher frequency of lymphocytosis, elevated level of lactate dehydrogenase (LDH), and p53 positivity. The overall survival in the whole cohort, excluding 37 patients receiving autologous stem cell transplantation, was 3.1 year and in patients with indolent or nonindolent disease, 5.9 and 2.8 years, respectively (P = .004). SOX11(-) cases had a shorter overall survival, compared with SOX11(+) cases, 1.5 and 3.2 years, respectively (P = .014). In multivariate analysis of overall survival, age > 65 (P = .001), Eastern Cooperative Oncology Group score >= 2 (P = .022), elevated LDH level (P = .001), and p53 expression (P = .001) remained significant, and SOX11 lost significance. We conclude that most indolent MCLs are SOX11(+) and that SOX11 cannot be used for predicting an indolent disease course. (Blood. 2012;119(18):4215-4223)

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