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Stem cell study finds source of earliest blood cells during development

Date:
March 21, 2014
Source:
University of California - Irvine
Summary:
Hematopoietic stem cells are now routinely used to treat patients with cancers and other disorders of the blood and immune systems, but researchers knew little about the progenitor cells that give rise to them during embryonic development. Scientists have now created novel cell assays that identified the earliest arising HSC precursors based on their ability to generate all major blood cell types (red blood cells, platelets and immune cells).

Hematopoietic stem cells are now routinely used to treat patients with cancers and other disorders of the blood and immune systems, but researchers knew little about the progenitor cells that give rise to them during embryonic development.

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In a study published April 8 in Stem Cell Reports, Matthew Inlay of the Sue & Bill Gross Stem Cell Research Center, and faculty member of the Department of Molecular Biology and Biochemistry, and Stanford University colleagues created novel cell assays that identified the earliest arising HSC precursors based on their ability to generate all major blood cell types (red blood cells, platelets and immune cells).

This discovery of very early differentiating blood cells, Inlay said, may be very beneficial for the creation of HSC lines for clinical treatments. "The hope is that by defining a set of markers that will allow us to make purer, cleaner populations of these precursor cells, we'll be able to reveal the key molecular events that lead to the emergence of the first HSCs in development.

This could give us a step-by-step guide for creating these cells in a dish from pluripotent stem cell lines" added Inlay, who is an assistant professor of molecular biology & biochemistry at UC Irvine and conducted the study while a postdoctoral researcher in the Irving Weissman lab at Stanford.

The work was performed in collaboration with Thomas Serwold, now an assistant professor in the Joslin Diabetes Center at Harvard Medical School.


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The above story is based on materials provided by University of California - Irvine. Note: Materials may be edited for content and length.


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University of California - Irvine. "Stem cell study finds source of earliest blood cells during development." ScienceDaily. ScienceDaily, 21 March 2014. <www.sciencedaily.com/releases/2014/03/140321101740.htm>.
University of California - Irvine. (2014, March 21). Stem cell study finds source of earliest blood cells during development. ScienceDaily. Retrieved April 18, 2015 from www.sciencedaily.com/releases/2014/03/140321101740.htm
University of California - Irvine. "Stem cell study finds source of earliest blood cells during development." ScienceDaily. www.sciencedaily.com/releases/2014/03/140321101740.htm (accessed April 18, 2015).

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