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Tag: "looking" at biology news

Fantastic Voyage: A new nanoscale view of the biological world

...ever before been measured," Lechene says. "Imagine looking into a building, slice by slice. You can see not only that it contains apartments, but also that each apartment contains a refrigerator. You can see that there are tomatoes in the refrigerator of one apartment, and potatoes in the refrigerator of ano...

Proteins necessary for brain development found to be critical for long-term memory

...gives us some strong clues as to what we should be looking into for therapeutic interventions," he said. "If we know that growth factors are important for long-term memory, then we can look at possible remedial roles they might play in diseases such as Alzheimer's and dementia." ...

Natural anti-viral enzyme helps keep cancer cells alive, researchers find

...ht disease. UT Southwestern researchers are now looking for chemicals that block TBK-1. They are also screening cancer cells for similar biochemical pathways essential to their survival but not essential in normal cells. "This is making us think that there are many other surprises awaiting discovery reg...

Environmental toxins may cause body's defenses to worsen lung disease

... infection and toxicant-induced cell damage. "By looking at how the cells react to these stimuli, we hope to gain insight into what triggers and mediates the immune system response," Borchers says. This will help scientists determine which lymphocytes are important for regulating damage in the lungs, so ...

Train your brain to hear your friends at a party

...nce prize was today awarded to a researcher who is looking for the region of the brain that helps us to hear someone in a noisy place, such as a party or bar, and is responsible for "training" the brain to hear better in these situations. Not being able to hear a person's voice in a noisy room and follow co...

A new approach to growing heart muscle

...tent protection on the development and is actively looking for a corporate partner to help bring the technology to market. Ravi K. Birla, Ph.D., of the Artificial Heart Laboratory in U-M's Section of Cardiac Surgery and the U-M Cardiovascular Center, led the research team. "Many different approaches to...

Controlling antibiotics and antibiotic resistance in hospitals

... of antibiotic resistance at almost 450 hospitals, looking at what each hospital did to control antibiotic use and how this affected the rate of antibiotic resistance. "We saw in this study, as in other work we have done, that antibiotic resistance is increasing rapidly. This increase is seen in all types...

Genetic surprise confirms neglected 70-year-old evolutionary hypothesis

...ter a few nudges the flies produced what Masly was looking for--a sterile male. This is when Dobzhansky's 70-year-old hypothesis nearly died for good. The reigning theory of speciation says that the genes causing hybrid sterility must have diverged slowly by normal evolutionary changes. To determine whethe...

Plants give up answers in the war on bacteria

...iversal across all land plants. "When we started looking more closely, and put bacteria on a plant surface, stomata close. It's like they say 'oh, we have to close the doors!'" Melotto said. "Even if it is in bright daylight, when the stomata are supposed to be open, they close." Some bacteria have gotte...

Artificial cornea offers better results for infants, some blind patients

...tion. But with the plastic implant, these kids are looking great. "The timing is crucial, because if a child hasn't seen out of an eye for a few years, and then suddenly vision in the eye is fixed, the brain doesn't know what to do with that information," Gearinger added. "If the brain has been deprived o...

Inheritance outside DNA

...uld be possible to screen for colon cancer risk by looking at the epigenetic changes in colon cells of healthy people.? ...

Distinguishing friend from foe in the battle against cancer

...of hard work. "We have been working for 35 years looking at mechanisms underlying formation of cancer cells," says Hunter, an American Cancer Society professor in the Molecular and Cell Biology Laboratory. "We've made huge progress identifying specific events that change normal proteins into proteins that ...

When the label says 'low fat,' calories can pile up, study says

...they see something with a low-fat label. If we are looking for an excuse to eat, low-fat labels give it to us." He recommends that low-fat-labeled foods post larger, more realistic serving sizes, which might deter people from eating too much by giving them a more accurate calorie count. ...

Novel regulatory mechanism identified for key tumor suppressor p53

...ein when its activity is not needed. "What we're looking at now is the possibility that this enzyme, if over-expressed or over-active, might interfere with p53's normal tumor suppressor function and perhaps cause cancer. If that's the case, then we could develop drugs to inhibit the enzyme that would have ...

Leading reason for corneal transplants comes into focus

...he cornea had smaller, finer bumps." Gottsch is looking to one day use various gene therapies to suppress the mutations that he has found. It is hoped that someday the millions of people who suffer from FCD in the United States will eventually benefit from having the genetic basis of their disease identif...

What's next for gene therapy? Plastic

...ine to cells within the body. Many scientists are looking for better chaperones across the cell membrane. Virginia Tech researchers think polymer molecules can be created to do the job. The research will be presented at the 232nd national meeting of the American Chemical Society in San Francisco September...

Protein 'fingerprint' in spinal fluid could spot Alzheimer's disease

... forms of dementia as well as healthy individuals, looking for key differences between the two groups." This effort yielded intriguing results: 23 proteins that individually might not point to Alzheimer's but together formed an identifying pattern or "fingerprint" specific to the illness. "Although it n...

Particle size matters to bacteria ability to immobilize heavy metals

... Pacific Northwest National Laboratory (PNNL), are looking at how the size of iron oxide nano particles influ...ide for bacterial respiration, the researchers are looking at the interfacial reactions between the whole bacterial cell and the particles to determine the inf...

'Tribbles' protein implicated in common and aggressive form of leukemia

... PhD; and colleagues found Tribbles by chance when looking for the molecular partners of another protein called Notch. Notch is a molecular switch of sorts, activating gene transcription in the nucleus of many types of cells, and depending on the biochemical context, turns certain pathways on and others off....

Friendly bacteria in alcoholic milkshake could fight food allergies

...weeks Chemistry & Industry, UK firm Rigest are looking for backers to develop an air sanitizing system using an enzyme found naturally in human tears. Lactoperoxidase can attack and kill microbes such as 'flu viruses and the bacteria responsible for MRSA. The system could be used to sanitize the air in a...

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