Word: rna
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...this accidental discovery of the genes’ importance that led scientists to explore the previously unknown universe of what is known as micro-RNA (miRNA...
...benefit of the doubt, and so he had to offer blunt reassurance. But his construction of human rights beginning "at the moment of conception," while theoretically clean, is a practical mess. It throws the entire weight of argument onto one side of the scale; a woman, whose womb and RNA are essential to the development of a fertilized egg, would be obliged to do nothing that could even inadvertently interfere with the progression from zygote to newborn. This would have, among other effects, such immense impact on access to contraception that it would all but guarantee an increase in unwanted...
Cullen and his team were able to replicate the intricate process using lab mice. They started by identifying the tiniest components of the HSV-1 strain. In its latent stage, HSV-1 produces a single molecular product, called latency-associated transcript RNA, or LAT RNA. Unlike most messenger RNA, LAT RNA doesn't produce proteins, so scientists have never been able to determine LAT RNA's exact function. But by inserting the LAT RNA into mice, Cullen found that it breaks down into even smaller strands called microRNA. Researchers then discovered that it was the microRNA that blocked production...
...silent; in FXTAS patients, it's too active. "The gene produces up to 10 times more message than normal," explains molecular biologist Paul Hagerman of the University of California at Davis, who together with wife Randi has received an NIH grant to study the disorder. Over time, messenger RNA--the substance that transcribes genes into proteins--accumulates in the nuclei of brain cells, eventually poisoning them...
...eight Harvard researchers urged use of the technique for other human pathogens as well, writing that their experiment had demonstrated the “power” of RNA interference to find new forms of treatment...