Distinct leukemia phenotypes in transgenic mice and different corepressor interactions generated by promyelocytic leukemia variant fusion genes PLZF-RARα and NPM-RARα

G. X. Cheng, X. H. Zhu, X. Q. Men, L. Wang, Q. H. Huang, X. L. Jin, S. M. Xiong, J. Zhu, W. M. Guo, J. Q. Chen, S. F. Xu, E. So, L. C. Chan, S. Waxman, Arthur Z Zelent, G. Q. Chen, S. Dong, J. X. Liu, S. J. Chen

Research output: Contribution to journalArticle

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Abstract

Acute promyelocytic leukemia (APL) is characterized by a specific chromosome translocation involving RARα and one of four fusion partners: PML, PLZF, NPM, and NuMA genes. To study the leukemogenic potential of the fusion genes in vivo, we generated transgenic mice with PLZF-RARα and NPM- RARα. PLZF-RARα transgenic animals developed chronic myeloid leukemia-like phenotypes at an early stage of life (within 3 months in five of six mice), whereas three NPM-RARα transgenic mice showed a spectrum of phenotypes from typical APL to chronic myeloid leukemia relatively late in life (from 12 to 15 months). In contrast to bone marrow cells from PLZF-RARα transgenic mice, those from NPM-RARα transgenic mice could be induced to differentiate by all-trans-retinoic acid (ATRA). We also studied RARE binding properties and interactions between nuclear corepressor SMRT and various fusion proteins in response to ATRA. Dissociation of SMRT from different receptors was observed at ATRA concentrations of 0.01 μM, 0.1 μM, and 1.0 μM for RARα-RXRα, NPM-RARα, and PML-RARα, respectively, but not observed for PLZF-RARα even in the presence of 10 μM ATRA. We also determined the expression of the tissue factor gene in transgenic mice, which was detected only in bone marrow cells of mice expressing the fusion genes. These data clearly establish the leukemogenic role of PLZF-RARα and NPM-RARα and the importance of fusion receptor/corepressor interactions in the pathogenesis as well as in determining different clinical phenotypes of APL.

Original languageEnglish (US)
Pages (from-to)6318-6323
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume96
Issue number11
DOIs
StatePublished - May 25 1999
Externally publishedYes

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Co-Repressor Proteins
Gene Fusion
Transgenic Mice
Leukemia
Tretinoin
Acute Promyelocytic Leukemia
Phenotype
Leukemia, Myelogenous, Chronic, BCR-ABL Positive
Bone Marrow Cells
Genetically Modified Animals
Thromboplastin
Genes
Chromosomes
Proteins

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Distinct leukemia phenotypes in transgenic mice and different corepressor interactions generated by promyelocytic leukemia variant fusion genes PLZF-RARα and NPM-RARα. / Cheng, G. X.; Zhu, X. H.; Men, X. Q.; Wang, L.; Huang, Q. H.; Jin, X. L.; Xiong, S. M.; Zhu, J.; Guo, W. M.; Chen, J. Q.; Xu, S. F.; So, E.; Chan, L. C.; Waxman, S.; Zelent, Arthur Z; Chen, G. Q.; Dong, S.; Liu, J. X.; Chen, S. J.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 96, No. 11, 25.05.1999, p. 6318-6323.

Research output: Contribution to journalArticle

Cheng, GX, Zhu, XH, Men, XQ, Wang, L, Huang, QH, Jin, XL, Xiong, SM, Zhu, J, Guo, WM, Chen, JQ, Xu, SF, So, E, Chan, LC, Waxman, S, Zelent, AZ, Chen, GQ, Dong, S, Liu, JX & Chen, SJ 1999, 'Distinct leukemia phenotypes in transgenic mice and different corepressor interactions generated by promyelocytic leukemia variant fusion genes PLZF-RARα and NPM-RARα', Proceedings of the National Academy of Sciences of the United States of America, vol. 96, no. 11, pp. 6318-6323. https://doi.org/10.1073/pnas.96.11.6318
Cheng, G. X. ; Zhu, X. H. ; Men, X. Q. ; Wang, L. ; Huang, Q. H. ; Jin, X. L. ; Xiong, S. M. ; Zhu, J. ; Guo, W. M. ; Chen, J. Q. ; Xu, S. F. ; So, E. ; Chan, L. C. ; Waxman, S. ; Zelent, Arthur Z ; Chen, G. Q. ; Dong, S. ; Liu, J. X. ; Chen, S. J. / Distinct leukemia phenotypes in transgenic mice and different corepressor interactions generated by promyelocytic leukemia variant fusion genes PLZF-RARα and NPM-RARα. In: Proceedings of the National Academy of Sciences of the United States of America. 1999 ; Vol. 96, No. 11. pp. 6318-6323.
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abstract = "Acute promyelocytic leukemia (APL) is characterized by a specific chromosome translocation involving RARα and one of four fusion partners: PML, PLZF, NPM, and NuMA genes. To study the leukemogenic potential of the fusion genes in vivo, we generated transgenic mice with PLZF-RARα and NPM- RARα. PLZF-RARα transgenic animals developed chronic myeloid leukemia-like phenotypes at an early stage of life (within 3 months in five of six mice), whereas three NPM-RARα transgenic mice showed a spectrum of phenotypes from typical APL to chronic myeloid leukemia relatively late in life (from 12 to 15 months). In contrast to bone marrow cells from PLZF-RARα transgenic mice, those from NPM-RARα transgenic mice could be induced to differentiate by all-trans-retinoic acid (ATRA). We also studied RARE binding properties and interactions between nuclear corepressor SMRT and various fusion proteins in response to ATRA. Dissociation of SMRT from different receptors was observed at ATRA concentrations of 0.01 μM, 0.1 μM, and 1.0 μM for RARα-RXRα, NPM-RARα, and PML-RARα, respectively, but not observed for PLZF-RARα even in the presence of 10 μM ATRA. We also determined the expression of the tissue factor gene in transgenic mice, which was detected only in bone marrow cells of mice expressing the fusion genes. These data clearly establish the leukemogenic role of PLZF-RARα and NPM-RARα and the importance of fusion receptor/corepressor interactions in the pathogenesis as well as in determining different clinical phenotypes of APL.",
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AU - Zhu, X. H.

AU - Men, X. Q.

AU - Wang, L.

AU - Huang, Q. H.

AU - Jin, X. L.

AU - Xiong, S. M.

AU - Zhu, J.

AU - Guo, W. M.

AU - Chen, J. Q.

AU - Xu, S. F.

AU - So, E.

AU - Chan, L. C.

AU - Waxman, S.

AU - Zelent, Arthur Z

AU - Chen, G. Q.

AU - Dong, S.

AU - Liu, J. X.

AU - Chen, S. J.

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N2 - Acute promyelocytic leukemia (APL) is characterized by a specific chromosome translocation involving RARα and one of four fusion partners: PML, PLZF, NPM, and NuMA genes. To study the leukemogenic potential of the fusion genes in vivo, we generated transgenic mice with PLZF-RARα and NPM- RARα. PLZF-RARα transgenic animals developed chronic myeloid leukemia-like phenotypes at an early stage of life (within 3 months in five of six mice), whereas three NPM-RARα transgenic mice showed a spectrum of phenotypes from typical APL to chronic myeloid leukemia relatively late in life (from 12 to 15 months). In contrast to bone marrow cells from PLZF-RARα transgenic mice, those from NPM-RARα transgenic mice could be induced to differentiate by all-trans-retinoic acid (ATRA). We also studied RARE binding properties and interactions between nuclear corepressor SMRT and various fusion proteins in response to ATRA. Dissociation of SMRT from different receptors was observed at ATRA concentrations of 0.01 μM, 0.1 μM, and 1.0 μM for RARα-RXRα, NPM-RARα, and PML-RARα, respectively, but not observed for PLZF-RARα even in the presence of 10 μM ATRA. We also determined the expression of the tissue factor gene in transgenic mice, which was detected only in bone marrow cells of mice expressing the fusion genes. These data clearly establish the leukemogenic role of PLZF-RARα and NPM-RARα and the importance of fusion receptor/corepressor interactions in the pathogenesis as well as in determining different clinical phenotypes of APL.

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