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.
Sep 20, 2012
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Regulation of gene expression is essential to make sure cell maturation occurs as it should. European research is taking an integrated perspective on how selected steps in liver and blood cell differentiation ...
Jul 16, 2012
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How do fetal cells know what cell types to become? Why do cells in the adult body sometimes forget what they are and develop into cancer cells? These are some of the questions intensively investigated within the research ...
Nov 07, 2011
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A naturally occurring growth factor significantly boosted retention and prevented forgetting of a fear memory when injected into rats' memory circuitry during time-limited windows when memories become fragile and changeable. ...
Jan 26, 2011
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A discovery by Walter and Eliza Hall Institute researchers in Melbourne, Australia, reported in today's edition of Science, is set to rewrite a long-held belief about how the body's immune system establishes its me ...
Oct 07, 2010
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Synaptic plasticity, one of the neurochemical foundations of learning and memory, is predominantly controlled by NMDA receptors. One of the hallmarks of Alzheimer’s disease is a neurological dysfunction ...
Sep 20, 2010
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By blocking the cellular signaling activity of a protein, a team of neuroscientists at Cold Spring Harbor Laboratory (CSHL) has prevented memory loss in fruit flies caused by brain plaques similar to those thought to cause ...
Mar 29, 2010
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(PhysOrg.com) -- USC College's Michel Baudry and graduate student Sohila Zadran brought forty years of research to a pinnacle with their breakthroughs in the science of learning and memory.
Mar 09, 2010
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It is well known that fear memories are permanent. However, a recent paper in Science, evaluated by three Faculty Members for F1000, reports an extraordinary finding that supports the use of a drug to control recollections of tra ...
Nov 09, 2009
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Researchers at Uppsala University have found that the protein coding parts of a gene are packed in special nucleosomes. The same type of packaging is found in the roundworm C elegans, which is a primeval relative of humans ...
Aug 18, 2009
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Researchers at McGill University and the University of Pennsylvania have discovered that a widely used anti-diabetic drug can boost the immune system and increase the potency of vaccines and cancer treatments. Their findings ...
Jun 03, 2009
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(PhysOrg.com) -- Researchers at the University of Aberdeen have unlocked the details of a communication process that helps to generate the brainwaves that allow us to think and learn.
Feb 23, 2009
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