A protein called Tet1 is partly responsible for giving primordial germ cells a clean epigenetic slate before developing into sperm and egg cells, according to a new study by researchers at Boston Children's Hospital. This ...
Cell & Microbiology
Dec 4, 2013
0
0
Hens that cannot produce their own chicks have successfully acted as surrogates for rare chicken breeds.
Ecology
Oct 1, 2019
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15
To prevent the extinction of the northern white rhino, the international consortium BioRescue is attempting to create artificial egg cells from stem cells. A team led by MDC's Sebastian Diecke and Micha Drukker of Leiden ...
Ecology
Mar 10, 2022
2
503
Different cell types—say, heart, liver, blood, and sperm cells—possess characteristics that help them carry out their unique jobs in the body. In general, those characteristics are hard-wired. Without intervention, a ...
Cell & Microbiology
Feb 21, 2023
0
66
Whenever an organism develops and forms organs, a tumor creates metastases or the immune system becomes active in inflammation, cells migrate within the body. As they do, they interact with surrounding tissues which influence ...
Cell & Microbiology
Jan 7, 2021
1
46
Molecules called endosiRNAs help us avoid genetic chaos, according to a new study from a team at the Babraham Institute. Much of the human genome contains pieces of DNA called transposons, a form of genetic parasite. When ...
Biotechnology
Nov 2, 2017
0
14
Sperm meets egg, setting off a cascade of events leading to the creation of an embryo. But how do developing cells—which all contain the same genetic information—decide what to be when they grow up? How does a cell differentiate ...
Cell & Microbiology
May 10, 2022
0
49
An important international summit on human gene editing recently recommended that researchers go ahead with gene editing human embryos, but keep revisiting how and when such modifications would be appropriate in the clinic. ...
Biotechnology
Dec 17, 2015
0
12
Fruit flies (Drosophila) are important model organisms for biological research. Molecular tools exist that can turn on (or induce) gene expression in fruit flies, allowing researchers to learn more about the functions of ...
Plants & Animals
Nov 26, 2021
0
256
Researchers have shown for the first time that embryonic cells destined to become either egg or sperm rely on different methods of repressive gene regulation.
Cell & Microbiology
Dec 9, 2021
0
39
