Our genomes are minefields, studded with potentially damaging DNA sequences over which hundreds of thousands of sentries stand guard. These sentries, called epigenetic marks, attach to the double helix at such spots and prevent ...
Biotechnology
Jun 29, 2017
0
333
(PhysOrg.com) -- In regenerative medicine, large supplies of safe and reliable human embryonic stem (hES) cells are needed for implantation into patients, but the field has faced challenges in developing cultures that can ...
Cell & Microbiology
Jan 25, 2011
0
0
In a compact lab space at Stanford University, Oscar Abilez, MD, trains a microscope on a small collection of cells in a petri dish. A video recorder projects what the microscope sees on a nearby monitor. The cells in the ...
Biotechnology
Sep 20, 2011
0
1
Researchers from the University of California, Berkeley, have found a way to reprogram mouse embryonic stem cells so that they exhibit developmental characteristics resembling those of fertilized eggs, or zygotes.
Cell & Microbiology
Jan 13, 2017
0
257
In a study published online in Nature Cell Biology on May 11, scientists from Guangzhou Institute of Biomedicine and Health (GIBH) of the Chinese Academy of Sciences established a novel and efficient system for non-integrated ...
Cell & Microbiology
May 14, 2020
0
41
For most people, wisdom teeth are not much more than an annoyance that eventually needs to be removed. However, a new study appearing in the September 17 Journal of Biological Chemistry shows that wisdom teeth contain a valuable ...
Biochemistry
Sep 10, 2010
0
0
To find out how many scientists a region needs to become a leader in a discipline, researchers at Complexity Science Hub tracked millions of scientists moving across the globe. Their result: there is no critical mass of scientists, ...
Economics & Business
Dec 29, 2022
1
126
There was a time when the idea of growing organs in the lab was the stuff of science fiction. Today, stem cell biology and tissue engineering are turning fiction into reality with the advent of organoids: tiny lab-grown tissues ...
Cell & Microbiology
Nov 10, 2020
1
179
(Phys.org)—Among other things, the egg is optimized to process the sperm genome. The cytoplasmic factors that make this possible also give the egg the ability to reprogram the nuclei from other kinds of cells if these nuclei ...
(PhysOrg.com) -- For the first time, human embryonic stem cells have been cultured under chemically controlled conditions without the use of animal substances, which is essential for future clinical uses. The method has been ...
Biotechnology
May 31, 2010
12
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