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The genomic landscape of hypodiploid acute lymphoblastic leukemia

Open access
Holmfeldt, Linda, Wei, Lei, Diaz-Flores, Ernesto, Walsh, Michael, Zhang, Jinghui, Ding, Li, Payne-Turner, Debbie, Churchman, Michelle, Andersson, Anna, Chen, Shann-Ching, McCastlain, Kelly, Becksfort, Jared, Ma, Jing, Wu, Gang, Patel, Samir N, Heatley, Susan L, Phillips, Letha A, Song, Guangchun, Easton, John, Parker, Matthew, Chen, Xiang, Rusch, Michael, Boggs, Kristy, Vadodaria, Bhavin, Hedlund, Erin, Drenberg, Christina, Baker, Sharyn, Pei, Deqing, Cheng, Cheng, Huether, Robert, Lu, Charles, Fulton, Robert S, Fulton, Lucinda L, Tabib, Yashodhan, Dooling, David J, Ochoa, Kerri, Minden, Mark, Lewis, Ian D, To, L Bik, Marlton, Paula, Roberts, Andrew W, Raca, Gordana, Stock, Wendy, Neale, Geoffrey, Drexler, Hans G, Dickins, Ross A, Ellison, David W, Shurtleff, Sheila A, Pui, Ching-Hon, Ribeiro, Raul C, Devidas, Meenakshi, Carroll, Andrew J, Heerema, Nyla A, Wood, Brent, Borowitz, Michael J, Gastier-Foster, Julie M, Raimondi, Susana C, Mardis, Elaine R, Wilson, Richard K, Downing, James R, Hunger, Stephen P, Loh, Mignon L, Mullighan, Charles G·2013·Nature Genetics

Abstract

The genetic basis of hypodiploid acute lymphoblastic leukemia (ALL), a subtype of ALL characterized by aneuploidy and poor outcome, is unknown. Genomic profiling of 124 hypodiploid ALL cases, including whole-genome and exome sequencing of 40 cases, identified two subtypes that differ in the severity of aneuploidy, transcriptional profiles and submicroscopic genetic alterations. Near-haploid ALL with 24–31 chromosomes harbor alterations targeting receptor tyrosine kinase signaling and Ras signaling (71%) and the lymphoid transcription factor gene IKZF3 (encoding AIOLOS; 13%). In contrast, low-hypodiploid ALL with 32–39 chromosomes are characterized by alterations in TP53 (91.2%) that are commonly present in nontumor cells, IKZF2 (encoding HELIOS; 53%) and RB1 (41%). Both near-haploid and low-hypodiploid leukemic cells show activation of Ras-signaling and phosphoinositide 3-kinase (PI3K)-signaling pathways and are sensitive to PI3K inhibitors, indicating that these drugs should be explored as a new therapeutic strategy for this aggressive form of leukemia.

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Authors
Holmfeldt, L., Wei, L., Diaz-Flores, E., Walsh, M., Zhang, J., Ding, L., Payne-Turner, D., Churchman, M., Andersson, A., Chen, S.-C., McCastlain, K., Becksfort, J., Ma, J., Wu, G., Patel, S. N., Heatley, S. L., Phillips, L. A., Song, G., Easton, J., Parker, M., Chen, X., Rusch, M., Boggs, K., Vadodaria, B., Hedlund, E., Drenberg, C., Baker, S., Pei, D., Cheng, C., Huether, R., Lu, C., Fulton, R. S., Fulton, L. L., Tabib, Y., Dooling, D. J., Ochoa, K., Minden, M., Lewis, I. D., To, L. B., Marlton, P., Roberts, A. W., Raca, G., Stock, W., Neale, G., Drexler, H. G., Dickins, R. A., Ellison, D. W., Shurtleff, S. A., Pui, C.-H., Ribeiro, R. C., Devidas, M., Carroll, A. J., Heerema, N. A., Wood, B., Borowitz, M. J., Gastier-Foster, J. M., Raimondi, S. C., Mardis, E. R., Wilson, R. K., Downing, J. R., Hunger, S. P., Loh, M. L., & Mullighan, C. G.
Venue
Nature Genetics
Published
2013-01-20
Volume
45
Issue
3
Pages
242-252
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2063662864
Cited by
731
References
20
FWCI
63.66
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: The genomic landscape of hypodiploid acute lymphoblastic leukemia. https://app.cochat.ai/papers/10.1038/ng.2532
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Holmfeldt, L., Wei, L., Diaz-Flores, E., Walsh, M., Zhang, J., Ding, L., Payne-Turner, D., Churchman, M., Andersson, A., Chen, S.-C., McCastlain, K., Becksfort, J., Ma, J., Wu, G., Patel, S. N., Heatley, S. L., Phillips, L. A., Song, G., Easton, J., . . . Mullighan, C. G. (2013). The genomic landscape of hypodiploid acute lymphoblastic leukemia. Nature Genetics. https://doi.org/10.1038/ng.2532

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