News tagged with modifications
Too much of a good thing? Scientists explain cellular effects of vitamin A overdose and deficiency
Oct 08, 2009 |
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If a little vitamin A is good, more must be better, right? Wrong! New research published online in the FASEB Journal shows that vitamin A plays a crucial role in energy production within cells, explaining why too much or too ...
Human cells secrete cancer-killing protein
Jul 23, 2009 |
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Human cells are able to secrete a cancer-killing protein, scientists at the University of Kentucky's Markey Cancer Center have found.
Major advance in cell reprogramming technology
Apr 23, 2009 |
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In a paper publishing online April 23rd in Cell Stem Cell, a Cell Press journal, Dr. Sheng Ding and colleagues from the Scripps Research Institute in La Jolla, California, report an important step forward in the race to mak ...
Seven steps to successful child and adolescent weight loss
Mar 05, 2009 |
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Overweight children and adolescents, with the active involvement of their parents and families, can successfully lose weight by following the Seven Steps to Success described in the current issue of Obesity Management, a jou ...
Scientists discover how 'companion' cells to sperm protect them from genetic damage
Biology /
Feb 05, 2009 |
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In plant pollen grains, sperm cells, which carry the genetic material to be passed on to progeny, are cocooned within larger "companion" cells that are called pollen vegetative cells. These companions provide sperm with ...
Gene switch sites found mainly on 'shores,' not just 'islands' of the human genome
Jan 18, 2009 |
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Scientists who study how human chemistry can permanently turn off genes have typically focused on small islands of DNA believed to contain most of the chemical alterations involved in those switches. But after an epic tour ...
Rethinking the Genetic Theory of Inheritance
Jan 18, 2009 |
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Scientists at the Centre for Addiction and Mental Health (CAMH) have detected evidence that DNA may not be the only carrier of heritable information; a secondary molecular mechanism called epigenetics may also account for ...
Researchers derive first embryonic stem cells from rats
Biology /
Dec 24, 2008 |
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Researchers at the University of Southern California (USC) have, for the first time in history, derived authentic embryonic stem (ES) cells from rats. This breakthrough finding will enable scientists to create far more effective ...
Scientists discover key patterns in the packaging of genes
Jul 11, 2008 |
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Although every cell of our bodies contains the same genetic instructions, specific genes typically act only in specific cells at particular times. Other genes are "silenced" in a variety of ways. One mode of gene silencing ...
