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Articles by Oliver Timmis

Blood stem cells produced in the lab for the first time

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By Paul Waldron, Jennifer Willows, James M. Heather, Oliver Timmis
| bionews.org.uk
In two different studies, US scientists have succeeded in creating the stem cells which produce blood. Both studies – published in Nature – are concerned with making haematopoietic stem cells (HSCs), which are found inside the bone marrow and can divide to generate each of the many types of blood cell. In the first study, a team at the Daley laboratory at Boston Children’s Hospital, Massachusetts, took human embryonic stem cells or induced pluripotent stem cells (iPSCs).
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Lack of sleep leaves genes a bit squiffy

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By Barbara Kramarz, Oliver Timmis, Owen Clark, Shanya Sivakumaran
| bionews.org.uk
Inadequate sleep alters the activity of over 700 genes, scientists report. In the research, sleeping less than six hours per night for just one week impacted genes related to metabolism, inflammation and immunity. Study co-author Professor Colin Smith of the University of Surrey, UK, said the team 'are starting to make breakthroughs that will have an impact on our understanding and treatment of poor health arising from insufficient sleep'.
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Stem cells could be used to create 'endless supply of blood'

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By Jennifer Willows, Paul Waldron, James M. Heather, Oliver Timmis
| bionews.org.uk
A new method of producing red blood cells outside the body on a large scale has been developed by researchers at the University of Bristol.
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