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Competitive Transplants to Evaluate Hematopoietic Stem Cell Fitness.

Abstract : The gold standard definition of a hematopoietic stem cell (HSC) is a cell that when transferred into an irradiated recipient will have the ability to reestablish blood cell production for the lifespan of the recipient. This protocol explains how to set up a functional assay to compare the HSC capacities of two different populations of cells, such as bone marrow from mice of two different genotypes, and how to analyze the recipient mice by flow cytometry. The protocol uses HSC equivalents rather than cell sorting for standardization and discusses the advantages and disadvantages of both approaches. We further discuss different variations to the basic protocol, including serial transplants, limiting dilution assays, homing assays and non-competitive transplants, including the advantages and preferred uses of these varied approaches. These assays are central for the study of HSC function and could be used not only for the investigation of fundamental HSC intrinsic aspects of biology but also for the development of preclinical assays for bone marrow transplant and HSC expansion in culture.
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Contributor : Michel Courcelles Connect in order to contact the contributor
Submitted on : Wednesday, December 21, 2016 - 4:23:03 PM
Last modification on : Monday, October 8, 2018 - 5:44:05 PM

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Edward O Kwarteng, Krista M Heinonen. Competitive Transplants to Evaluate Hematopoietic Stem Cell Fitness.. Journal of visualized experiments : JoVE, JoVE, 2016, ⟨10.3791/54345⟩. ⟨pasteur-01421138⟩



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