When egg and sperm combine, the new embryo bustles with activity. Its cells multiply so rapidly they largely ignore their DNA, other than to copy it and to read just a few essential genes. The embryonic cells mainly rely ...
Biotechnology
Aug 13, 2013
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Researchers from Heidelberg have decoded a previously unknown molecular mechanism in the fertilisation process of vertebrates. The team of scientists at the Center for Molecular Biology of Heidelberg University identified ...
Cell & Microbiology
Aug 13, 2013
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The process cells use to 'swallow' up nutrients, hormones and other signals from their environment – called endocytosis – can play a crucial role in shaping the cells themselves, scientists at the European Molecular Biology ...
Cell & Microbiology
Aug 9, 2013
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It is not only humans that sometimes experience difficulty having children. Horses too have a low birth rate, with many pregnancies failing within the first few weeks after conception. The reason is currently unknown but ...
Plants & Animals
Aug 2, 2013
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Japan's government on Friday gave its seal of approval to the world's first clinical trials using stem cells harvested from a patient's own body.
Cell & Microbiology
Jul 19, 2013
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Japan has given the green light to the world's first clinical trial using stem cells harvested from a patient's own body, officials said Thursday, testing a treatment that may offer hope to millions of people robbed of their ...
Cell & Microbiology
Jun 27, 2013
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Proposed experiments with animal-human embryos cleared the first regulatory hurdle Tuesday, reports said, as Japanese scientists seek permission for tests that could see human organs produced inside the growing body of an ...
Cell & Microbiology
Jun 18, 2013
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Scientists at the Danish Stem Cell Center, DanStem, at the University of Copenhagen have discovered that they can make embryonic stem cells regress to a stage of development where they are able to make placenta cells as well ...
Cell & Microbiology
Jun 6, 2013
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In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly that, and now researchers ...
Plants & Animals
Jun 6, 2013
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Mapping all of the chemical, or epigenetic, changes to chromosomes that affect which genes are turned on or off—and thus determine the fate of genomically identical cells in the body—usually requires a large amount of ...
Cell & Microbiology
May 22, 2013
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