Erin J. Oakley, Gary Van Zant  Cell Stem Cell 

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Age-Related Changes in Niche Cells Influence Hematopoietic Stem Cell Function  Erin J. Oakley, Gary Van Zant  Cell Stem Cell  Volume 6, Issue 2, Pages 93-94 (February 2010) DOI: 10.1016/j.stem.2010.01.008 Copyright © 2010 Elsevier Inc. Terms and Conditions

Figure 1 Heterochronic Parabiosis Rejuvenates HSC Function In aged mice (top), HSCs accumulate but exhibit skewed patterns of differentiation, favoring more production of myeloid cells at the expense of B lymphocytes. This effect is at least partially mediated by osteoblast niche cell production of IGF-1. When exposed to soluble factors from young mice (bottom), the impact of IGF-1 is overcome, HSC accumulation is dampened, and the ratio of B cell: myeloid cell production is recovered. Cell Stem Cell 2010 6, 93-94DOI: (10.1016/j.stem.2010.01.008) Copyright © 2010 Elsevier Inc. Terms and Conditions