Scientists at the University of Copenhagen have identified one mechanism that explains how some stem cells choose to become a given cell type: the cells combine specific sets of proteins at precise positions along the DNA. ...
Cell & Microbiology
May 6, 2015
0
38
A fertilized human egg may seem like the ultimate blank slate. But within days of fertilization, the growing mass of cells activates not only human genes but also viral DNA lingering in the human genome from ancient infections.
Cell & Microbiology
Apr 21, 2015
9
90
Stem cells hold great promise for treating a number of diseases, in part because they have the unique ability to differentiate, specializing into any one of the hundreds of cell types that comprise the human body. Harnessing ...
Cell & Microbiology
Apr 2, 2015
0
34
Despite the progress made by women in science, engineering, and medicine, a glance at most university directories or pharmaceutical executive committees tells the more complex story. Women in science can succeed, but they ...
Social Sciences
Mar 5, 2015
19
81
Imagine a pair of twins that everyone believed to be estranged, who turn out to be closer than anyone knew. A genetic version of this heartwarming tale might be taking place in our cells. We and other mammals have two copies ...
Cell & Microbiology
Mar 5, 2015
0
57
Research on the expression of viral DNA within the human genome furthers our understanding of human evolution and embryonic development
Cell & Microbiology
Mar 5, 2015
34
119
When federal funding regulations created limitations on human embryonic stem cell research, several states created their own funding programs. A new study analyzed stem cell funding programs in four states that provided their ...
Cell & Microbiology
Feb 18, 2015
0
16
One of the most exciting scientific advances made in recent years is CRISPR—the ability to precisely edit the genome of cells. However, although this method has incredible potential, the process is extremely inefficient. ...
Cell & Microbiology
Feb 5, 2015
0
17
A powerful "genome editing" technology known as CRISPR has been used by researchers since 2012 to trim, disrupt, replace or add to sequences of an organism's DNA. Now, scientists at Johns Hopkins Medicine have shown that ...
Cell & Microbiology
Jan 5, 2015
0
44
A team of scientists that included researchers from UCLA has discovered a novel mechanism of RNA regulation in embryonic stem cells. The findings are strong evidence that a specific chemical modification, or "tag," on RNA ...
Cell & Microbiology
Dec 5, 2014
0
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