Inside cells DNA is tightly wrapped around proteins and packed in a complex, 3-D structure called chromatin. Chromatin not only protects genetic material from damage, but also organizes the entire genome by regulating the ...
Jan 29, 2019
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The progressive understanding of addiction as a disease rather than a choice has opened the door to better treatment and research, but there are aspects of addiction that make it uniquely difficult to treat.
Jan 25, 2019
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It takes a lot of cells to make a human brain. The organ houses not only an enormous quantity of neurons (tens of billions), but also an impressive diversity of neuron types. In recent years, scientists have been developing ...
Nov 21, 2018
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How do individual developing cells choose and commit to their "identity"—to become, for example, an immune cell, or a muscle cell, or a neuron?
Nov 19, 2018
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Researchers at the Stanford University School of Medicine and their collaborators at other institutions have identified a link between how proteins bind to our DNA and how cancer develops. This finding may allow researchers ...
Oct 25, 2018
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Mammalian cells seem to be able to memorize anti-viral stimulation at the level of DNA-packaging molecules, enabling faster and greater activation of anti-viral genes in subsequent stimulations, according to a study conducted ...
Oct 25, 2018
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With obesity on the rise, so too is the diet and weight loss industry, currently valued at US$70 billion in the US alone. But most of us are still confused about the factors that lead to weight gain.
Sep 18, 2018
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Sleep is known to re-energize animals and consolidate their memories. Rapid eye movement (REM) sleep, a mysterious stage of sleep in which animals dream, is known to play an important role in maintaining a healthy mental ...
Aug 28, 2018
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Every cell in our body has the same set of genes, or genome, and can potentially become any type of cell. During development, the epigenome mediates the process that leads a cell to become a skin cell or a neuron, for instance. ...
Aug 23, 2018
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One powerful DNA-binding protein, the transcription factor PU.1, steals away other transcription factors and recruits them for its own purposes, effectively dominating gene regulation in developing immune cells, according ...
Jun 20, 2018
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