New mouse model of acute adult T‐cell leukemia generated by transplantation of AKT, BCLxL, and HBZ‐transduced T cells

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New mouse model of acute adult T‐cell leukemia generated by transplantation of AKT, BCLxL, and HBZ‐transduced T cells

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Title: New mouse model of acute adult T‐cell leukemia generated by transplantation of AKT, BCLxL, and HBZ‐transduced T cells
Author: Kasugai, Yumiko; Yoshida, Noriaki; Ohshima, Koichi; Matsuo, Keitaro; Seto, Masao; Tsuzuki, Shinobu

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Citation: Kasugai, Yumiko, Noriaki Yoshida, Koichi Ohshima, Keitaro Matsuo, Masao Seto, and Shinobu Tsuzuki. 2016. “New mouse model of acute adult T‐cell leukemia generated by transplantation of AKT, BCLxL, and HBZ‐transduced T cells.” Cancer Science 107 (8): 1072-1078. doi:10.1111/cas.12974. http://dx.doi.org/10.1111/cas.12974.
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Abstract: Adult T‐cell leukemia/lymphoma (ATL) develops in human T‐cell leukemia virus type 1 (HTLV‐1) carriers. Although the HTLV‐1‐encoded HBZ gene is critically involved, HBZ alone is insufficient and additional, cooperative “hits” are required for the development of ATL. Candidate cooperative hits are being defined, but methods to rapidly explore their roles in ATL development in collaboration with HBZ are lacking. Here, we present a new mouse model of acute type ATL that can be generated rapidly by transplanting in vitro‐induced T cells that have been retrovirally transduced with HBZ and two cooperative genes, BCLxL and AKT, into mice. Co‐transduction of HBZ and BCLxL/AKT allowed these T cells to grow in vitro in the absence of cytokines (Flt3‐ligand and interleukin‐7), which did not occur with any two‐gene combination. Although transplanted T cells were a mixture of cells transduced with different combinations of the genes, tumors that developed in mice were composed of HBZ/BCLxL/AKT triply transduced T cells, showing the synergistic effect of the three genes. The genetic/epigenetic landscape of ATL has only recently been elucidated, and the roles of additional “hits” in ATL pathogenesis remain to be explored. Our model provides a versatile tool to examine the roles of these hits, in collaboration with HBZ, in the development of acute ATL.
Published Version: doi:10.1111/cas.12974
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4982588/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:29002435
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