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Tag: "bad" at biology news

Improved Outcomes Releases GeneLinker(TM) Gold and Platinum Version 4.6

...preventing over-training and reducing theeffect of bad samples by requiring consensus among multiple learners tomake predictions." said Mark Chatterley, VP Bioinformatics at IOS."Despite our new focus, we are still enhancing our products for geneexpression data analysis. We've added additional data impor...

Taking Aim With Nanoparticle PEBBLEs

...that thwarts many chemotherapy drugs. "The really bad cancer cells get immune to chemotherapy drugs ?they pump the drugs back out," Kopelman said. Cancer cells can't do that to PEBBLEs, though, because PEBBLEs are already on the outside. Another advantage: the "killer oxygen" that PEBBLEs deliver to can...

Open microfluidic and nanofluidic systems

... over water, for instance, a human-like robot is a bad idea while a spider-like robot is a much better choice. ### Original work: Ralf Seemann, Martin Brinkmann, Edward J. Kramer, Frederick F. Lange, Reinhard Lipowsky Wetting morphologies at microstructured surfaces PNAS 102, 1848-1852, February 8, 20...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...ugar levels in people with diabetes. If that’s not bad enough, pregnant women with periodontal disease are seven times more likely to deliver low-birth-weight, preterm babies. Proteins are important to study because they are the foundation of the cellular structure of every living organism, Lamont said. ...

US life expectancy about to decline, researchers say

...Social Security does not appear to be in nearly as bad a shape as we think," Olshansky said. "The obese may be inadvertently 'saving' Social Security, but the obese themselves and the health care system that cares for them will pay a very heavy price in terms of higher death rates and escalating health ...

No relief for Pacific Northwest drought

...U.S., it appears the situation is going to go from bad to worse. It bears some similarity to conditions l... various reasons our model didn't really suggest a bad fire year for 2004, and in fact it was a pretty mild year," Lenihan said. "That was fortunate, beca...

New Drugs For Bad Bugs: UF Approach Could Bolster Antibiotic Arsenal

... alarm: There simply aren’t enough drugs to combat bad bugs. Bacteria are increasingly adept at outwitting the traditional antibiotic arsenal. Yet designing and testing new antibiotics can be a maddeningly slow and costly process ?if pharmaceutical companies even bother, says Hartmut Derendorf, chairman...

Researchers report new pro-inflammatory role for anti-inflammatory enzyme

...estruction of DNA." However, too much NO can be a bad thing. Sustained overproduction of NO can cause septic shock (sepsis). "In sepsis, which is a systemic bacterial infection, the body expresses iNOS which generates relatively high concentrations of NO," says Dr. Hobbs. "This aids host defense by kill...

UNC launches study of liver injury caused by drugs

...Health to study why good medications are sometimes bad for the liver. During the next seven years, the Drug-Induced Liver Injury Network, or DILIN, will study patients who have suffered severe liver injury caused by prescription and over-the-counter medications, nutritional supplements, alternative medi...

Grasping metaphors: UC San Diego research ties brain area to figures of speech

...e you might get robbed. The patients were equally bad at matching a bulbous, amoeboid shape to the sound "booba" and a jagged shape to "kiki." Whereas more than 90 percent of ordinary respondents succeed at this task ?of translating one sort of sensory information into another ?patients with damage to t...

To sea or not to sea: When it comes to salmon sex, size sometimes doesn't matter

...ers ?ones where conditions are good some years and bad in others -?may be genetically inclined to produce more offspring that are likely to stray. Then there are salmon like the chinook where brothers and sisters from the same parents don't mature and return from sea at the same time, a way of "straying...

Bugs, even 'bad' ones, can be educationally beneficial, new book says

We have much to learn from bad bugs, according to Gilbert Waldbauer, whose book "...st colleagues to illustrate what we can learn from bad bugs. Many of the pests he describes are found in Illinois, including the corn rootworm. Other regi...

Researchers pioneer new gene therapy technique using natural repair process

...o 7 percent of cells had traded both copies of the bad gene for the correct version. With the correct IL-2R gene in place, levels of the IL-2R protein also were restored. The change to the cells seems permanent, Dr. Porteus said, and the correct gene is easily maintained after many cell divisions. "Th...

Leprosy genome tells story of human migrations, French researchers report in Science

...rosy to North America. "Colonialism was extremely bad for parts of the world in terms of human health," said Cole. The disease, caused by Mycobacterium leprae, primarily affects the skin and nervous system, particularly the limbs and digits. It's not especially contagious, as people once widely believe...

Ocean climate predicts elk population in Canadian Rockies

...er and snowier conditions than usual. More snow is bad news for elk, which have heavy bodies and long, narrow legs and small hooves. The deeper the snow, the further they sink. Conversely, wolves have relatively light, sleek bodies and big, wide paws that act like snowshoes. In the Canadian Rockies, wolv...

Two studies document rise of superbugs in the environment

...." And if regular drug-resistant bacteria weren't bad enough, some bacteria have become multidrug resistant (MDR). Researchers at the Beth Israel Deaconess Medical Center and Harvard Medical School studied the prevalence of bacteria resistant to three or more drugs over a six-year period. From 1998 to 2...

Mosaic mouse technique offers a powerful new tool to study diseases and genetics

...hromosomes. If one of those chromosomes contains a bad copy (mutation) of a gene, the recombination event could cause an offspring to inherit two bad copies of the gene, which would result in a mutant cell. This process simultaneously activates the g...

Depression gene may weaken mood-regulating circuit

...resulting in increased vulnerability to persistent bad moods and eventually depression as life's stresses take their toll. Other members of the NIMH team were: Dr. Lukas Pezawas, Dr. Bhaskar Kolachana, Dr. Michael Egan, Dr. Venakata Mattay, Emily Drabant, Beth Verchinski, and Karen Munoz. Dr. Ahmad Hari...

Bacteria feed on smelly breath (and feet)

...' smelly compounds in the mouth that are linked to bad breath. These smelly, highly reactive 'one-carbon'...resent, low levels of which may be associated with bad breath. In a previous paper, Dr Wood et al found that the foot is also a source of methylated sulph...

Say what? Bacterial conversation stoppers

... and winning. And unfortunately, in niche two, the bad guys might be using AI-2 and winning." ...

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