In the body, a skin cell will always be skin, and a heart cell will always be heart. But in the first hours of life, cells in the nascent embryo become totipotent: they have the incredible flexibility to mature into skin, ...
Cell & Microbiology
May 19, 2014
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Research groups headed by Prof. Dr. Nikolaus Pfanner, Dr. Nils Wiedemann, and Dr. Thomas Becker from the University of Freiburg and their colleagues have demonstrated how molecular protein barrels form in the outer membrane ...
Cell & Microbiology
Aug 5, 2013
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Scientists from ETH Zurich in Switzerland have shown for the first time that brown and white fat cells in a living organism can be converted from one cell type to the other. Their work, using mice as a model organism, provides ...
Cell & Microbiology
Apr 28, 2013
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Some 50 years have passed since scientists first proposed the so-called 'inside–outside model' of development, which holds that the inner cells of the early embryo eventually form all the definitive structures of the fetus, ...
Cell & Microbiology
Apr 10, 2013
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Brown fat is a hot topic, pardon the pun. Brown fats cells, as opposed to white fat cells, make heat for the body, and are thought to have evolved to help mammals cope with the cold. But, their role in generating warmth might ...
Cell & Microbiology
Mar 14, 2013
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Mitochondria, which are probably derived from distant bacterial ancestors incorporated into our cells, have their own DNA. However, we know little about how these organelles, which convert oxygen and consumed nutrients into ...
Cell & Microbiology
Mar 5, 2013
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Scientists at Wake Forest Baptist Medical Center have taken the first steps to create neural-like stem cells from muscle tissue in animals. Details of the work are published in two complementary studies published in the September ...
Cell & Microbiology
Oct 12, 2012
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Flatscreen televisions, computers and mobile phone displays all require transparent electrical conductors to connect embedded electrical devices without obstructing back illumination. Indium tin oxide (ITO) is currently used ...
Nanomaterials
Oct 10, 2012
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(Phys.org)—One of the largest challenges of chemotherapy lies in the fact that cancer cells must be killed while healthy tissue must be protected. French researchers have now introduced a new approach in the journal Angewandte ...
Biochemistry
Oct 9, 2012
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During embryonic development in humans and other mammals, sperm and egg cells are essentially wiped clean of chemical modifications to DNA called epigenetic marks. They are then held in reserve to await fertilization.
Biotechnology
Sep 20, 2012
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