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Scientists Successfully Create Blood From Skin Cells

Wednesday, February 8, 2017 10:41
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Researchers in Singapore have artificially generated new mouse blood and immune cells from skin cells. This is a significant first step towards the eventual goal: the engineering of new human blood cells from skin cells or other artificial sources.

One of the major challenges of regenerative medicine is to manufacture new blood and immune cells for patients in need. This development could lead to a robust source of new blood or immune cells becoming available to treat patients with immune disorders and other such diseases, or those who require blood transfusions.

Making blood from skin cells through direct reprogramming.

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 Image source: A*STAR’s Genome Institute of Singapore

 

While there were previous efforts to generate new mouse blood cells from skin cells, the yielded cells could last only two weeks once injected back into mice. In contrast, the artificially skin-derived blood cells in this study can last for multiple months in mice. Published in scientific journal Nature Communications, this study was led by researchers from A*STAR’s Genome Institute of Singapore (GIS) and Institute of Molecular and Cell Biology (IMCB).

To date, the researchers have identified a cocktail of four factors that can convert mouse skin cells into different types of blood cells. By introducing the four factors that are normally active in blood cells into skin cells, they could artificially ‘rewrite’ skin cells to adopt features of blood cells.

“On the face of it, skin cells and blood cells couldn’t be more different from one another. We have been interested in whether it might be possible to rewrite the identity of cells, specifically to turn skin into blood,” said the study’s first author Dr Cheng Hui, who initiated this project as a postdoctoral fellow at GIS.

“This is not only of practical importance for regenerative medicine in terms of potentially yielding a source of new blood or immune cells, but it is also interesting from a fundamental biological perspective that two very different cells – like skin and blood – can be interconverted,” added Dr Kyle Loh, currently an investigator and instructor at Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University School of Medicine, and a member of the project team as a former GIS intern.

GIS Executive Director Prof Ng Huck Hui said, “This development could be a potential game-changer for regenerative medicine. If researchers are able to extend what they did with the mice to human cells in the foreseeable future, it can translate into tangible benefits for the patients in need.”
 

Contacts and sources:
Joyce Ang
Senior Officer, Office of Corporate Communications
Genome Institute of Singapore, A*STAR

 
The research findings described in this media release can be found in the scientific journal Nature Communications, under the title, “Reprogramming Mouse Fibroblasts into Engraftable Myeloerythroid and Lymphoid Progenitors” by Hui Cheng et al. November 2016



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  • Boo

    This is a potential cure for leukemia. The patient could use their own skins cells, which is their own DNA, which is a real breakthrough. You don’t have the rejection of the body of foreign DNA from donors. Nice one Singapore.

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