Tag: "unable" at biology news

Antioxidants during pregnancy may help prevent birth defects tied to alcohol

...uation, at least a little, for those women who are unable to quit drinking alcohol." The amount of alcohol used in the study is high, Sulik added, equivalent to the amount that would raise the blood alcohol level of a person up to 0.4 or 0.5. This is a level that can be achieved by chronic alcoho...

Harmless virus helps slow HIV by boosting immune proteins

...y HIV. When the receptors aren't available, HIV is unable to infect the cells. When the researchers neutralized the chemokines with antibodies, GBV-C had no protective effect. HIV was free to enter host cells and proliferate. "The next thing we have to do is determine a way to mimic the effect of this vir...

Study finds first evidence COX-2 enzymes can regulate DNA damage

... DNA-damaging genotoxins that the COX-1 enzyme was unable to make. A new method was developed for the analysis of DNA damage in these cells at the University of Pennsylvania by Dr. Seon Hwa Lee, Research Associate in Pharmacology, and Ms. Michelle Williams, a student in the Graduate Group in Pharmac...

How genes get us wired

...led to reach the facial muscles, leaving the mouse unable to blink its eyes, flatten its ears or make other ... air were blown in the mutant mouse's face, it was unable to close its eyes and scrunch up its face like a normal mouse. That demonstrated that Hoxb1 must ...

Limited climate tracking in European trees despite 10,000 years of postglacial warmth

...hors warn that we should expect most of them to be unable to track such dramatic climate changes....

Nanotechnology pioneer slays 'grey goo' myths

...ay replicator - the early machines would be tools, unable to operate by themselves....

LARGE protein can overcome defects in some types of muscular dystrophy

...Without the attached sugars, alpha-dystroglycan is unable to carry out its function of linking the internal structural proteins of muscle cells to the surrounding extracellular matrix, providing essential structural support that protects the muscle membrane from contraction-induced damage. Intense muscle a...

Albany high school student adds to understanding of breast cancer gene

...ay lead to proteins that are bent out of shape and unable to perform as tumor suppressers. "Perhaps these missense mutations disturb important features of the BRCA-1 protein and play a role in breast and ovarian cancer formation," Figge said. In addition to her current publicat...

Research gives hope to preemies and Crohn's patients

...lives, but with so much intestine removed, they're unable to digest or absorb nutrients. They can't eat by mouth like the rest of us do, and we have to use a process called total parenteral nutrition to feed them intravenously," she said. Around 10,000 patients in the United States are totally reliant on i...

UNC scientists block cellular enzyme activity involved in cancer progression

... normal FAK by migrating faster, the mutantFAK was unable to provoke any change in movement from breast cancer cells. "Our mutant appears to be deficient for turning FAK on and making cells move," Schaller said. The positively charged region identified in this study seems to cooperate directly with other do...

After natural disasters, the risk of infection, epidemics from dead bodies is negligible

... of these diseases are highly contagious, they are unable to survive for long in the human body after death occurs. It is therefore unlikely that such epidemics will result from contact with a cadaver. Instead, notes the article, it is far more likely that survivors will be a source of disease outbreaks. F...

Umbilical cord blood transplants, bone marrow transplants save lives

...University Medical Center, Maywood, Ill. Patients unable to find a matching bone marrow donor may have an a...Each year in the U.S., 10,000 to 15,000 people are unable to find a suitable bone marrow donor among relatives or from the national bone marrow donor registry...

Tufts researchers identify a novel target for cancer therapy

...lated toxicity, especially if hsp90 inhibitors are unable to distinguish normal and cancer cells. In the published article entitled "Functional Proteomic Screens Reveal an Essential Extracellular Role for Hsp90a in Cancer Cell Invasiveness," the researchers used a functional screen on the cell surface pro...

Loyola decides to test new blood substitute in trauma patients at the scene of injury

...given the nature and extent of their injuries, are unable to give consent after an injury, such as a motor vehicle crash. During the study, every effort will be made to receive consent from the patient or the patient's family. If there is an objection in advance from the patient or the patient's family, h...

U-M scientists use 21st-century technology to probe secrets of M. tuberculosis

...stem's containment process: - Granulomas that were unable to contain TB bacteria were packed with inactive macrophages, making it impossible for T cells to get inside the granuloma and properly signal the macrophages to attack and kill M. tuberculosis bacteria. - The arrival time, number and location of "ed...

Genes appear to play a role in development of chronic obstructive pulmonary disease

...en diseased, these air sacs, known as alveoli, are unable to completely deflate and are therefore unable to fill with fresh air to ensure adequate oxygen supply to the body. Emphysema and chronic bronchiti...

Genomic biology institute's first grant to focus on soybeans, climate change

...ntly to environmental influences, but they've been unable to identify the mechanisms that drive such responses. Such new approaches may help them to do so. "Eventually, by using these new and developing genomic technologies, agronomists may be able to know what genes or suites of genes are important for th...

Antibiotic resistance risk from triclosan questioned

... field studies conducted of homes and clinics were unable to link antibacterial use patterns with changes in resistance."...

Mysterious beach closures may be linked to contaminated groundwater, study finds

...in the season. In many cases, health officials are unable to pinpoint the cause of the contamination, leadin...ted bacteria counts, yet officials there have been unable to explain why most of these incidents occurred. Some residents blame a sewage outfall that has been...

Bird's eye views earth's magnetic lines

...nce of the radio frequency fields, the robins were unable to orient with respect to the magnetic field. This effect was also shown to depend on the alignment of the radio frequency field relative to the earth's magnetic field, a further prediction of Ritz and Schulten's model. Alternative mechanisms that in...

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