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Master regulatory gene of epithelial stem cells identified

...rge Higginson professor of cell biology at HMS, to show that p63’s key function was to provide the enhanced potential of stem cells to divide. "The fact that p63 is essential for these epithelial stem cells, while other master regulators have been identified for blood stem cells and spermatocyte stem...

A frown or a smile? Children with autism can't discern

...sm Research in Seatlle, researchers from UCLA will show that children with autism can’t do this. They hear...is significant,?Davies said. While the results show the key role of eye gaze in signaling communicative intent, it also shows that autistic children, ev...

Egyptians, not Greeks were true fathers of medicine

... bulk laxatives of figs and bran. Other references show that colic was treated with hyoscyamus, which is s...tre, said: "These results are very significant and show that the ancient Egyptians were practising a credible form of pharmacy long before the Greeks. "O...

DNA repair proteins monitored at double-strand break

...tation to collect and identify repair proteins and show where each one bound to the DNA. ...

Survival of the rarest: Fruit flies shed light on the evolution of behavior

... all species. The researchers' next step is to show that this phenomenon is also taking place in the wild. In addition, since the foraging gene is found in many animals, including honeybees, mice and humans, the researchers are examining how variations in the human foraging gene may be linked to food-...

UCLA AIDS Institute researchers find a peptide that encourages HIV infection

...aradoxical result." Still, the findings seem to show promise in gene therapy. ...

'Short-circuit' found in ocean circulation

...le in regulating Earth's climate. The findings show that much of the overturning circulation - how water moves and mixes vertically - around Antarctica takes place just around the tip of South America and in the small region in the Atlantic south of the Falklands, called the Scotia Sea. Co-author ...

Dealing deadly cancers a knockout punch

...rial. "It is hoped that the trials will clearly show that Reolysin alone or in combination with either radiation or chemotherapy can stop or reverse the growth of advanced cancers without adding harmful side effects," said Dr. Mettinger. ...

Study offers clues to 'Broken Heart Syndrome'

...he coronary arteries on the tip of a catheter, may show whether the patient has clogged arteries or unstable plaques that are not visible on coronary angiography. These findings will help guide long-term treatment. "Because we don't yet know what causes this phenomenon, we don't know what the best lon...

Magnetic computer sensors may help study biomolecules

...in the read heads of high-density disk drives—also show promise as tools for controlled trapping of single biomolecules. The arrays might be used in chip-scale, low-power microfluidic devices for stretching and uncoiling, or capturing and sorting, large numbers of individual biomolecules simultaneously fo...

Confirmed -- deforestation plays critical climate change role

...rom 11 climate-carbon computer models. The results show that tropical forests continue to accumulate carbon through to the end of the century, although they may become less efficient at higher temperatures. "The new body of information shows considerable value in preserving tropical forests such as tho...

Thymus transplants gives hope to babies with fatal immune disease

..., published Tuesday, May 15, in the journal Blood, show that 75 percent of the babies who received a thymus transplant were alive after one year. The recipient of the first transplant, in 1994, is alive and well. The current study was supported by the National Institutes of Health and the Food and Drug...

Scientists seek useful traits in wild cottons

..."We measure the leaf damage, identify cottons that show thrips resistance and subject those to further tests." Sheehan raises Lygus bugs, a secondary pest of cotton, and confines their feeding to certain parts of cotton plants using bug cages. The amount of damage they inflict on cotton fruit and...

Growing nerve cells in 3-D dramatically affects gene expression

...ibiotics ?may play out differently. Studies indeed show differences in behavior between cells cultured in 2-D and in 3-D. Cells cultured in 3-D, for example, grow faster. Hoffman-Kim, an assistant professor of medical science and engineering at Brown, wants to find a way to repair damaged nerve tissue....

Study shows dramatic increase in Caesarean sections

...an section, than women in 1984-88. "The figures show that what we call elective or planned caesareans h...l and anaesthetic techniques, a number of studies show that caesarean sections are still associated with an increased risk of maternal and infant death and...

Left-right wiring determined by neural communication in the embryonic worm

...eased in the May 18 issue of Cell, the researchers show that embryonic worms have a system of gap junctions -- "broadband" communication channels through which cells pass many kinds of molecules and electrical signals -- that allow growing neurons on the left and right to communicate with each other, a sy...

Revealing the machinery underlying the 'plastic' juvenile brain

...se in a form of visual plasticity. "Our results show that visual experience differently activates intracellular signaling pathways that control gene expression in the visual cortex of juvenile and adult mice, and that this developmental downregulation could regulate the developmental reduction of plast...

Leukemia drug turns mini-molecules up, cancer genes down

...a cells. "Overall," Garzon says, "our findings show that ATRA induces the expression of these three miRNAs, and through them regulates genes that need to be silenced for the cell to differentiate." ...

It's never too late to get it back! Aging interrupted

...asgow on Monday 2nd April. Previous research has show that mice can live up to 40% longer if they simply consume fewer calories, but a highly nutritious diet. Because people are not very good at dieting, Dr. Spindler and his colleagues would like to identify drugs which can produce the same beneficial ...

Corals that can fight global warming may one day help fragile reefs

...cisco, Feb. 18, Caribbean gorgonian sea fan corals show surprising warm-weather tenacity -- they not only ...e such defenses under thermal stress. "Some corals show unusual resilience to the double threat [of pathogens and warming seas], and we should look to these...

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