Single-cell transcriptional analysis of normal, aberrant, and malignant hematopoiesis in zebrafish

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Single-cell transcriptional analysis of normal, aberrant, and malignant hematopoiesis in zebrafish

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Title: Single-cell transcriptional analysis of normal, aberrant, and malignant hematopoiesis in zebrafish
Author: Moore, Finola E.; Garcia, Elaine G.; Lobbardi, Riadh; Jain, Esha; Tang, Qin; Moore, John C.; Cortes, Mauricio; Molodtsov, Aleksey; Kasheta, Melissa; Luo, Christina C.; Garcia, Amaris J.; Mylvaganam, Ravi; Yoder, Jeffrey A.; Blackburn, Jessica S.; Sadreyev, Ruslan I.; Ceol, Craig J.; North, Trista E.; Langenau, David M.

Note: Order does not necessarily reflect citation order of authors.

Citation: Moore, F. E., E. G. Garcia, R. Lobbardi, E. Jain, Q. Tang, J. C. Moore, M. Cortes, et al. 2016. “Single-cell transcriptional analysis of normal, aberrant, and malignant hematopoiesis in zebrafish.” The Journal of Experimental Medicine 213 (6): 979-992. doi:10.1084/jem.20152013. http://dx.doi.org/10.1084/jem.20152013.
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Abstract: Hematopoiesis culminates in the production of functionally heterogeneous blood cell types. In zebrafish, the lack of cell surface antibodies has compelled researchers to use fluorescent transgenic reporter lines to label specific blood cell fractions. However, these approaches are limited by the availability of transgenic lines and fluorescent protein combinations that can be distinguished. Here, we have transcriptionally profiled single hematopoietic cells from zebrafish to define erythroid, myeloid, B, and T cell lineages. We also used our approach to identify hematopoietic stem and progenitor cells and a novel NK-lysin 4+ cell type, representing a putative cytotoxic T/NK cell. Our platform also quantified hematopoietic defects in rag2E450fs mutant fish and showed that these fish have reduced T cells with a subsequent expansion of NK-lysin 4+ cells and myeloid cells. These data suggest compensatory regulation of the innate immune system in rag2E450fs mutant zebrafish. Finally, analysis of Myc-induced T cell acute lymphoblastic leukemia showed that cells are arrested at the CD4+/CD8+ cortical thymocyte stage and that a subset of leukemia cells inappropriately reexpress stem cell genes, including bmi1 and cmyb. In total, our experiments provide new tools and biological insights into single-cell heterogeneity found in zebrafish blood and leukemia.
Published Version: doi:10.1084/jem.20152013
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4886368/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:29626146
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