Identification of miR-15b as a transformation-related factor in mantle cell lymphoma

Fumiko Arakawa, Yoshizo Kimura, Noriaki Yoshida, Hiroaki Miyoshi, Atushi Doi, Kaori Yasuda, Kazutaka Nakajima, Junichi Kiyasu, Daisuke Niino, Yasuo Sugita, Kosuke Tashiro, Satoru Kuhara, Masao Seto, Koichi Ohshima

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

抄録

Mantle cell lymphoma (MCL) is an aggressive B cell lymphoma with a poor prognosis. It is characterized by the t(11;14)(q13;q32) translocation, resulting in overexpression of CCND1. Morphologically, MCL is categorised into two types: classical MCL (cMCL) and aggressive MCL (aMCL), with a proportion of cMCL progressing to develop into aMCL. miRNAs are currently considered to be important regulators for cell behavior and are deregulated in many malignancies. Although several genetic alterations have been implicated in the transformation of cMCL to aMCL, the involvement of miRNAs in transformation is not known. In an effort to identify the miRNAs related to the transformation of MCL, miRNA microarray analyses were used for cMCL and aMCL cases. These analyses demonstrated significant differences in the expression of seven microRNAs based on a t-test (p-value <0.05); miR-15b was greatly upregulated in aMCL. Locked nucleic acid in situ hybridization showed increased staining of miR-15b in formalin-fixed paraffin-embedded sections of aMCL. These results correlated well with the microRNA microarray analysis. Although the molecular functions of miR-15b are largely unknown, it has been found to be associated with the cell cycle and apoptosis. However, the physiological significance of increased miR-15b in MCL is still unknown. Our present findings suggest that the upregulated expression of miR-15b is likely to play an important role in the transformation of cMCL to aMCL.

元の言語英語
ページ(範囲)485-492
ページ数8
ジャーナルInternational journal of oncology
48
発行部数2
DOI
出版物ステータス出版済み - 2 1 2016

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Mantle-Cell Lymphoma
MicroRNAs
Microarray Analysis
B-Cell Lymphoma
Paraffin
Formaldehyde
In Situ Hybridization
Cell Cycle
Apoptosis
Staining and Labeling
Neoplasms

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

これを引用

Arakawa, F., Kimura, Y., Yoshida, N., Miyoshi, H., Doi, A., Yasuda, K., ... Ohshima, K. (2016). Identification of miR-15b as a transformation-related factor in mantle cell lymphoma. International journal of oncology, 48(2), 485-492. https://doi.org/10.3892/ijo.2015.3295

Identification of miR-15b as a transformation-related factor in mantle cell lymphoma. / Arakawa, Fumiko; Kimura, Yoshizo; Yoshida, Noriaki; Miyoshi, Hiroaki; Doi, Atushi; Yasuda, Kaori; Nakajima, Kazutaka; Kiyasu, Junichi; Niino, Daisuke; Sugita, Yasuo; Tashiro, Kosuke; Kuhara, Satoru; Seto, Masao; Ohshima, Koichi.

:: International journal of oncology, 巻 48, 番号 2, 01.02.2016, p. 485-492.

研究成果: ジャーナルへの寄稿記事

Arakawa, F, Kimura, Y, Yoshida, N, Miyoshi, H, Doi, A, Yasuda, K, Nakajima, K, Kiyasu, J, Niino, D, Sugita, Y, Tashiro, K, Kuhara, S, Seto, M & Ohshima, K 2016, 'Identification of miR-15b as a transformation-related factor in mantle cell lymphoma', International journal of oncology, 巻. 48, 番号 2, pp. 485-492. https://doi.org/10.3892/ijo.2015.3295
Arakawa, Fumiko ; Kimura, Yoshizo ; Yoshida, Noriaki ; Miyoshi, Hiroaki ; Doi, Atushi ; Yasuda, Kaori ; Nakajima, Kazutaka ; Kiyasu, Junichi ; Niino, Daisuke ; Sugita, Yasuo ; Tashiro, Kosuke ; Kuhara, Satoru ; Seto, Masao ; Ohshima, Koichi. / Identification of miR-15b as a transformation-related factor in mantle cell lymphoma. :: International journal of oncology. 2016 ; 巻 48, 番号 2. pp. 485-492.
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abstract = "Mantle cell lymphoma (MCL) is an aggressive B cell lymphoma with a poor prognosis. It is characterized by the t(11;14)(q13;q32) translocation, resulting in overexpression of CCND1. Morphologically, MCL is categorised into two types: classical MCL (cMCL) and aggressive MCL (aMCL), with a proportion of cMCL progressing to develop into aMCL. miRNAs are currently considered to be important regulators for cell behavior and are deregulated in many malignancies. Although several genetic alterations have been implicated in the transformation of cMCL to aMCL, the involvement of miRNAs in transformation is not known. In an effort to identify the miRNAs related to the transformation of MCL, miRNA microarray analyses were used for cMCL and aMCL cases. These analyses demonstrated significant differences in the expression of seven microRNAs based on a t-test (p-value <0.05); miR-15b was greatly upregulated in aMCL. Locked nucleic acid in situ hybridization showed increased staining of miR-15b in formalin-fixed paraffin-embedded sections of aMCL. These results correlated well with the microRNA microarray analysis. Although the molecular functions of miR-15b are largely unknown, it has been found to be associated with the cell cycle and apoptosis. However, the physiological significance of increased miR-15b in MCL is still unknown. Our present findings suggest that the upregulated expression of miR-15b is likely to play an important role in the transformation of cMCL to aMCL.",
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AU - Arakawa, Fumiko

AU - Kimura, Yoshizo

AU - Yoshida, Noriaki

AU - Miyoshi, Hiroaki

AU - Doi, Atushi

AU - Yasuda, Kaori

AU - Nakajima, Kazutaka

AU - Kiyasu, Junichi

AU - Niino, Daisuke

AU - Sugita, Yasuo

AU - Tashiro, Kosuke

AU - Kuhara, Satoru

AU - Seto, Masao

AU - Ohshima, Koichi

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AB - Mantle cell lymphoma (MCL) is an aggressive B cell lymphoma with a poor prognosis. It is characterized by the t(11;14)(q13;q32) translocation, resulting in overexpression of CCND1. Morphologically, MCL is categorised into two types: classical MCL (cMCL) and aggressive MCL (aMCL), with a proportion of cMCL progressing to develop into aMCL. miRNAs are currently considered to be important regulators for cell behavior and are deregulated in many malignancies. Although several genetic alterations have been implicated in the transformation of cMCL to aMCL, the involvement of miRNAs in transformation is not known. In an effort to identify the miRNAs related to the transformation of MCL, miRNA microarray analyses were used for cMCL and aMCL cases. These analyses demonstrated significant differences in the expression of seven microRNAs based on a t-test (p-value <0.05); miR-15b was greatly upregulated in aMCL. Locked nucleic acid in situ hybridization showed increased staining of miR-15b in formalin-fixed paraffin-embedded sections of aMCL. These results correlated well with the microRNA microarray analysis. Although the molecular functions of miR-15b are largely unknown, it has been found to be associated with the cell cycle and apoptosis. However, the physiological significance of increased miR-15b in MCL is still unknown. Our present findings suggest that the upregulated expression of miR-15b is likely to play an important role in the transformation of cMCL to aMCL.

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