WT1 transcript amount discriminates secondary or reactive eosinophilia from idiopathic hypereosinophilic syndrome or chronic eosinophilic leukemia

D. Cilloni, F. Messa, G. Martinelli, E. Gottardi, F. Arruga, I. Defilippi, S. Carturan, E. Messa, M. Fava, E. Giugliano, V. Rosso, R. Catalano, S. Merante, P. Nicoli, M. Rondoni, E. Ottaviani, S. Soverini, M. Tiribelli, F. Pane, M. BaccaraniG. Saglio

Research output: Contribution to journalArticle

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Abstract

Idiopathic hypereosinophilic syndromes (HES) comprise a spectrum of indolent to aggressive diseases characterized by persistent hypereosinophilia. Hypereosinophilia can result from the presence of a defect in the hematopoietic stem cell giving rise to eosinophilia, it can be present in many myeloproliferative disorders or alternatively it may be a reactive form, secondary to many clinical conditions. The hybrid gene FIP1L1-PDGRFα was identified in a subset of patients presenting with HES or chronic eosinophilic leukemia (CEL). In spite of this, the majority of HES patients do not present detectable molecular lesions and for many of them the diagnosis is based on exclusion criteria and sometimes it remains doubt. In this study we explored the possibility to distinguish between HES/CEL and reactive hypereosinophilia based on WT1 transcript amount. For this purpose, 312 patients with hypereosinophilia were characterized at the molecular and cytogenetic level and analyzed for WT1 expression at diagnosis and during follow-up. This study clearly demonstrates that WT1 quantitative assessment allows to discriminate between HES/CEL and reactive eosinophilia and represents a useful tool for disease monitoring especially in the patients lacking a marker of clonality.

Original languageEnglish
Pages (from-to)1442-1450
Number of pages9
JournalLeukemia
Volume21
Issue number7
DOIs
Publication statusPublished - Jul 2007

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Hypereosinophilic Syndrome
Eosinophilia
Myeloproliferative Disorders
Hematopoietic Stem Cells
Cytogenetics
Pdgfra-Associated Chronic Eosinophilic Leukemia
Genes

ASJC Scopus subject areas

  • Hematology
  • Cancer Research

Cite this

WT1 transcript amount discriminates secondary or reactive eosinophilia from idiopathic hypereosinophilic syndrome or chronic eosinophilic leukemia. / Cilloni, D.; Messa, F.; Martinelli, G.; Gottardi, E.; Arruga, F.; Defilippi, I.; Carturan, S.; Messa, E.; Fava, M.; Giugliano, E.; Rosso, V.; Catalano, R.; Merante, S.; Nicoli, P.; Rondoni, M.; Ottaviani, E.; Soverini, S.; Tiribelli, M.; Pane, F.; Baccarani, M.; Saglio, G.

In: Leukemia, Vol. 21, No. 7, 07.2007, p. 1442-1450.

Research output: Contribution to journalArticle

Cilloni, D, Messa, F, Martinelli, G, Gottardi, E, Arruga, F, Defilippi, I, Carturan, S, Messa, E, Fava, M, Giugliano, E, Rosso, V, Catalano, R, Merante, S, Nicoli, P, Rondoni, M, Ottaviani, E, Soverini, S, Tiribelli, M, Pane, F, Baccarani, M & Saglio, G 2007, 'WT1 transcript amount discriminates secondary or reactive eosinophilia from idiopathic hypereosinophilic syndrome or chronic eosinophilic leukemia', Leukemia, vol. 21, no. 7, pp. 1442-1450. https://doi.org/10.1038/sj.leu.2404670
Cilloni, D. ; Messa, F. ; Martinelli, G. ; Gottardi, E. ; Arruga, F. ; Defilippi, I. ; Carturan, S. ; Messa, E. ; Fava, M. ; Giugliano, E. ; Rosso, V. ; Catalano, R. ; Merante, S. ; Nicoli, P. ; Rondoni, M. ; Ottaviani, E. ; Soverini, S. ; Tiribelli, M. ; Pane, F. ; Baccarani, M. ; Saglio, G. / WT1 transcript amount discriminates secondary or reactive eosinophilia from idiopathic hypereosinophilic syndrome or chronic eosinophilic leukemia. In: Leukemia. 2007 ; Vol. 21, No. 7. pp. 1442-1450.
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