The Wnt signaling pathway and mitotic regulators in the initiation and evolution of mantle cell lymphoma: Gene expression analysis

Yoshizo Kimura, Fumiko Arakawa, Junichi Kiyasu, Hiroaki Miyoshi, Maki Yoshida, Ayako Ichikawa, Daisuke Niino, Yasuo Sugita, Takashi Okamura, Atushi Doi, Kaori Yasuda, Kosuke Tashiro, Satoru Kuhara, Koichi Ohshima

Research output: Contribution to journalArticle

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Abstract

For an accurate understanding of mantle cell lymphoma (MCL), molecular behavior could be staged into two major events: lymphomagenesis with the t(11;14) translocation (initiation), and evolution into a more aggressive form (transformation). Unfortunately, it is still unknown which genes contribute to each event. In this study, we performed cDNA microarray experiments designed based on the concept that morphologically heterogeneous MCL samples would provide insights into the role of aberrant gene expression for both events. A total of 15 MCLs were collected from the files, which include a total of 237 MCL patients confirmed by histology as CCND1-positive. We posited four stepwise morphological grades for MCL: MCL in situ, MCL with classical form (cMCL), MCL with aggressive form (aMCL), and MCL with intermediate morphology between classical and aggressive forms at the same site (iMCL). To identify genes involved in initiation, we compared the tumor cells of MCL in situ (n=4) with normal mantle zone B lymphocytes (n=4), which were selected by laser microdissection (LMD). To identify genes contributing to transformation, we selected the overlapping genes differentially expressed between both cMCL (n=4) vs. aMCL (n=5) and classical vs. aggressive areas in iMCL (n=2) obtained by LMD. A significant number of genes (n=23, p=0.016) belonging to the Wnt signaling pathway were differentially expressed in initiation. This specific activation was confirmed by immunohistochemistry, as MCL in situ had nuclear localization of phosphorylated-β-catenin with high levels of cytoplasmic Wnt3 staining. For transformation, identified 60 overlapping genes included a number of members of the p53 interaction network (CDC2, BIRC5 and FOXM1), which is known to mediate cell cycle progression during the G2/M transition. Thus, we observe that the Wnt signaling pathway may play an important role in initial lymphomagenesis in addition to t(11;14) translocations, and that specific mitotic regulators facilitate transformation into more aggressive forms.

Original languageEnglish
Pages (from-to)457-468
Number of pages12
JournalInternational journal of oncology
Volume43
Issue number2
DOIs
Publication statusPublished - Aug 1 2013

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Mantle-Cell Lymphoma
Wnt Signaling Pathway
Gene Expression
Overlapping Genes
Microdissection
Genes
Lasers
Catenins
Oligonucleotide Array Sequence Analysis
Histology
Cell Cycle
B-Lymphocytes
Immunohistochemistry
Staining and Labeling

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

The Wnt signaling pathway and mitotic regulators in the initiation and evolution of mantle cell lymphoma : Gene expression analysis. / Kimura, Yoshizo; Arakawa, Fumiko; Kiyasu, Junichi; Miyoshi, Hiroaki; Yoshida, Maki; Ichikawa, Ayako; Niino, Daisuke; Sugita, Yasuo; Okamura, Takashi; Doi, Atushi; Yasuda, Kaori; Tashiro, Kosuke; Kuhara, Satoru; Ohshima, Koichi.

In: International journal of oncology, Vol. 43, No. 2, 01.08.2013, p. 457-468.

Research output: Contribution to journalArticle

Kimura, Y, Arakawa, F, Kiyasu, J, Miyoshi, H, Yoshida, M, Ichikawa, A, Niino, D, Sugita, Y, Okamura, T, Doi, A, Yasuda, K, Tashiro, K, Kuhara, S & Ohshima, K 2013, 'The Wnt signaling pathway and mitotic regulators in the initiation and evolution of mantle cell lymphoma: Gene expression analysis', International journal of oncology, vol. 43, no. 2, pp. 457-468. https://doi.org/10.3892/ijo.2013.1982
Kimura, Yoshizo ; Arakawa, Fumiko ; Kiyasu, Junichi ; Miyoshi, Hiroaki ; Yoshida, Maki ; Ichikawa, Ayako ; Niino, Daisuke ; Sugita, Yasuo ; Okamura, Takashi ; Doi, Atushi ; Yasuda, Kaori ; Tashiro, Kosuke ; Kuhara, Satoru ; Ohshima, Koichi. / The Wnt signaling pathway and mitotic regulators in the initiation and evolution of mantle cell lymphoma : Gene expression analysis. In: International journal of oncology. 2013 ; Vol. 43, No. 2. pp. 457-468.
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