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Tag: "combined" at biology news

Are dancers genetically different than the rest of us? Yes, says Hebrew University researcher

...ical stamina like dancers.) When the results were combined and analyzed, it was clearly shown that the dancers exhibited particular genetic and personality characteristics that were not found in the other two groups. The dancer "type," says Ebstein, clearly demonstrates qualities that are not necessarily l...

FDA approves first medical device using rutgers biomaterial

...roach uses two sets of starting materials that are combined with each other in all possible combinations," Kohn said. "In this way, we can create a large variety of related polymers from a small number of initial starting materials." The result in this case was a library of 112 structurally related material...

Pesticides in the nation's streams and ground water

...res, particularly in streams, means that the total combined toxicity of pesticides in water, sediment, and fish may be greater than that of any single pesticide compound that is present. Studies of the effects of mixtures are still in the early stages, and it may take years for researchers to attain major adv...

Protein found to control tumor growth in certain breast cancers

...tumors ?were used to induce tumor growth in severe combined immunodeficiency (SCID) mice. An over-expression of Nod1 in MCF-7 cells resulted in the inhibition of estrogen-dependent tumor growth in the SCID mice and a reduction of estrogen-induced proliferative responses in vitro. Moreover, scientists found ...

Computer scientist sorts out confusable drug names

...analyzes and compares the spelling of words. PPC combined Kondrak's programs into a system that the FDA has been using for the past two years to analyze proposed drug names and rank them in terms of confusability, both phonetically and orthographically, with existing drugs. "The FDA used to have dozens of ...

Inflammation and drugs to control this activity studied in a variety of tumors sites

...ute to their development. Scheurer and Bondy used combined data from two studies: the Harris County Adult Gli...d are also produced by precancerous tissues. "The combined results of 20 human studies of aspirin and ibuprofen reflect an approximate 30 percent reduction in ...

Pest control research leads to pain control discovery

...ng inflammation in rodents to Vioxx, but also when combined with Vioxx can dramatically reduce the concentrations of the Cox 2 inhibitor needed," Hammock said. "The combination of Vioxx with the new sEHIs shifts blood chemistry toward the normal condition which may reduce the tendency toward blood clots," s...

RNA interference stops colon cancer spread in mice

...use them as a way to sensitize tumors and launch a combined attack that will allow us to achieve much better results with reduced side effects." ...

Healthy coral reefs of Madagascar resisting damage from climate change

...ime in the waters off Madagascar. These findings, combined with results of a similar survey in 2002 along northwest Madagascar's coast, increased to 829 the total number of fish species in Malagasy waters. The two Rapid Assessment Program (RAP) expeditions also recorded the highest coral diversity of the wes...

Virtual realities against pain

...techniques (ADTs) recently developed use 3D images combined with dynamic audio stimuli, making the techniques more likely to meet the requirements of an ideal distractor than the traditional distraction methods such as watching a film or playing a simple computer game. The ADTs simulate real-life situations...

UC Davis researchers move biotechnology closer to replacing electronic pacemakers

...eart muscle cells of pigs. This protein mimics the combined action of several proteins called HCN ion channels, which play a critical role in maintaining a normal, evenly paced heartbeat. These channels control the flow of sodium and potassium ions in and out of cells that regulate the electrical impulses of ...

Novel therapy combinations gain ground in treating hepatitis

...or. "We believe that extended treatment with CIFN combined with RBV may be a better option than current standards for this difficult-to-treat patient group." The overall tolerability of the CIFN regimen was comparable to PEG IFN. Three patients experienced thrombocytopenias (reduced blood platelets), but t...

When the going gets tough, slime molds start synthesizing

...titute investigator at Salk, "shows the power of a combined approach involving bioinformatics, enzymology, structural biology and genetics to get at the heart of why organisms exploit natural chemicals to survive and prosper in challenging ecosystems." When slime molds starve, they collectively form a multi...

Primates take weather into account when searching for fruits

...of whether or not a tree previously carried fruit, combined with knowledge of recent and present weather conditions and a more generalized understanding of the relationship between temperature and solar radiation and the maturation rate of fruit and insect larvae. The findings are also consistent with the ide...

Fatty spheres loaded with siRNA shrink ovarian cancer tumors in preclinical trial

...attacked the tumor's blood supply, especially when combined with chemotherapy. By inducing cell suicide (apoptosis) among blood vessel cells, the treatment steeply reduced the number of small blood vessels feeding the tumor, cut the percentage of proliferating tumor cells and increased cell suicide among can...

T cells activated to fight HIV basis for dendritic cell therapeutic vaccine

...o boost their potency. Separately, the researchers combined a small amount of the patient's HIV with their CD4 cells, in order to "super infect" them. In these now super-infected cells, the researchers inactivated the virus by promoting a process called apoptosis, or programmed cell death. In their dying stat...

Gold nanoparticles could improve antisense cancer drugs

...new drugs has been slow. Using gold nanoparticles combined with DNA, scientists at Northwestern University now have demonstrated a new method for developing antisense drugs that outperform conventional antisense agents. The findings will be published May 19 in the journal Science. A major challenge has been...

Cells use mix-and-match approach to tailor regulation of genes

.... "That's why we have computers." The researchers combined the results of their laboratory with other large-scale measurements of transcription factor-gene binding, such as those reported earlier by MIT biology professor Richard A. Young and his collaborators. Ideker's team was able to identify new transcri...

Even when faint, ovary scent draws sperm cells

...n recorded video of the sperm during assays. "We combined in a microfluidic device the ability to generate a chemical gradient with transporting sperm cells to evaluate sperm chemotaxis," Jacobson said. "The use of microfluidic devices appears to be an ideal approach for precisely controlling the chemical g...

Agriculture and tropical conservation: rethinking old ideas

...h as muriqui monkeys live. Vandermeer and Perfecto combined observations such as these with current ecological theory. "We know that a lot of organisms typically live in a fragmented state in nature, with subpopulations scattered around an area," Vandermeer said. Disease or predators may wipe out a particul...

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