Abnormal expression of apoptosis-related genes in haematological malignancies: Overexpression of MYC is poor prognostic sign in mantle cell lymphoma

Bálint Nagy, Tuija Lundán, Marcelo L. Larramendy, Yan Aalto, Ying Zhu, Tarja Niini, Henrik Edgren, Anna Ferrer, Juhani Vilpo, Erkki Elonen, Kim Vettenranta, Kaarle Franssila, Sakari Knuutila

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81 Citations (Scopus)

Abstract

The expression of apoptosis-related genes BCL2, BAX, BCL2L1, BCL2A1, MCL1, DAPK1 and MYC was studied by quantitative real-time polymerase chain reaction on total RNA samples from patients with acute lymphoblastic leukaemia (ALL, n = 16), acute myeloid leukaemia (AML, n = 27). chronic myeloid leukaemia (CML, n = 12), mantle cell lymphoma (MCL, n = 19) and chronic lymphoid leukaemia (CLL. n = 32). BCL2, BAX, BCL2A1, MCL1, DAPK1 and MYC were overexpressed in all patient groups. BCL2L1 was underexpressed in CLL and CML, but not in AML, ALL and MCL. MCL1 levels were significantly higher in CD13 and CD33-positive ALL, and in CD56-positive AML samples. BCL2, BCL2L1, BCL2A1 and MCL1 were overexpressed and DAPK1 was underexpressed in CLL samples with a 11q23 deletion. MYC overexpression was significantly associated with shorter overall survival in MCL (P ≤ 0.01). AML patients with a normal karyotype showed a higher frequency of BCL2A1 overexpression (P ≤ 0.001) than those with an abnormal karyotype.

Original languageEnglish
Pages (from-to)434-441
Number of pages8
JournalBritish Journal of Haematology
Volume120
Issue number3
DOIs
Publication statusPublished - Feb 1 2003

Keywords

  • Apoptotic genes
  • Gene expression
  • Haematological malignancies
  • Prognosis
  • Quantitative real-time PCR

ASJC Scopus subject areas

  • Hematology

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    Nagy, B., Lundán, T., Larramendy, M. L., Aalto, Y., Zhu, Y., Niini, T., Edgren, H., Ferrer, A., Vilpo, J., Elonen, E., Vettenranta, K., Franssila, K., & Knuutila, S. (2003). Abnormal expression of apoptosis-related genes in haematological malignancies: Overexpression of MYC is poor prognostic sign in mantle cell lymphoma. British Journal of Haematology, 120(3), 434-441. https://doi.org/10.1046/j.1365-2141.2003.04121.x