Ink4a and Arf are crucial factors in the determination of the cell of origin and the therapeutic sensitivity of Myc-induced mouse lymphoid tumor

E. Sugihara, T. Shimizu, K. Kojima, N. Onishi, K. Kai, J. Ishizawa, K. Nagata, N. Hashimoto, H. Honda, M. Kanno, M. Miwa, S. Okada, M. Andreeff, Hideyuki Saya

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The cell of origin of tumors and the factors determining the cell of origin remain unclear. In this study, a mouse model of precursor B acute lymphoblastic leukemia/lymphoma (pre-B ALL/LBL) was established by retroviral transduction of Myc genes (N-Myc or c-Myc) into mouse bone marrow cells. Hematopoietic stem cells (HSCs) exhibited the highest susceptibility to N-Myc-induced pre-B ALL/LBL versus lymphoid progenitors, myeloid progenitors and committed progenitor B cells. N-Myc was able to induce pre-B ALL/LBL directly from progenitor B cells in the absence of Ink4a and Arf. Arf was expressed higher in progenitor B cells than Ink4a. In addition, N-Myc induced pre-B ALL/LBL from Arf/progenitor B cells suggesting that Arf has a predominant role in determining the cell of origin of pre-B ALL/LBL. Tumor cells derived from Ink4a/Arf/progenitor B cells exhibited a higher rate of proliferation and were more chemoresistant than those derived from wild-type HSCs. Furthermore, the Mdm2 inhibitor Nutlin-3 restored p53 and induced massive apoptosis in mouse pre-B ALL/LBL cells derived from Ink4a/Arf/cells and human B-ALL cell lines lacking Ink4a and Arf expression, suggesting that Mdm2 inhibition may be a novel therapeutic approach to the treatment of Ink4a/Arf/B-ALL/LBL, such as is frequently found in Ph ALL and relapsed ALL. Collectively, these findings indicate that Ink4a and Arf are critical determining factors of the cell of origin and the therapeutic sensitivity of Myc-induced lymphoid tumors.

Original languageEnglish
Pages (from-to)2849-2861
Number of pages13
JournalOncogene
Volume31
Issue number23
DOIs
Publication statusPublished - 2012 Jun 7

Fingerprint

Precursor B-Cell Lymphoblastic Leukemia-Lymphoma
B-Lymphoid Precursor Cells
myc Genes
Neoplasms
Hematopoietic Stem Cells
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Therapeutics
Bone Marrow Cells
Apoptosis
Cell Line

Keywords

  • Arf
  • cell of origin
  • Ink4a
  • Mdm2 inhibitor
  • Myc
  • pre-B ALL/LBL

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Ink4a and Arf are crucial factors in the determination of the cell of origin and the therapeutic sensitivity of Myc-induced mouse lymphoid tumor. / Sugihara, E.; Shimizu, T.; Kojima, K.; Onishi, N.; Kai, K.; Ishizawa, J.; Nagata, K.; Hashimoto, N.; Honda, H.; Kanno, M.; Miwa, M.; Okada, S.; Andreeff, M.; Saya, Hideyuki.

In: Oncogene, Vol. 31, No. 23, 07.06.2012, p. 2849-2861.

Research output: Contribution to journalArticle

Sugihara, E, Shimizu, T, Kojima, K, Onishi, N, Kai, K, Ishizawa, J, Nagata, K, Hashimoto, N, Honda, H, Kanno, M, Miwa, M, Okada, S, Andreeff, M & Saya, H 2012, 'Ink4a and Arf are crucial factors in the determination of the cell of origin and the therapeutic sensitivity of Myc-induced mouse lymphoid tumor', Oncogene, vol. 31, no. 23, pp. 2849-2861. https://doi.org/10.1038/onc.2011.462
Sugihara, E. ; Shimizu, T. ; Kojima, K. ; Onishi, N. ; Kai, K. ; Ishizawa, J. ; Nagata, K. ; Hashimoto, N. ; Honda, H. ; Kanno, M. ; Miwa, M. ; Okada, S. ; Andreeff, M. ; Saya, Hideyuki. / Ink4a and Arf are crucial factors in the determination of the cell of origin and the therapeutic sensitivity of Myc-induced mouse lymphoid tumor. In: Oncogene. 2012 ; Vol. 31, No. 23. pp. 2849-2861.
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