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Tag: "delays" at biology news

New bacteria test could improve quality of fruit and vegetable juice

...h infrared spectroscopy technique won't cause long delays in production. "This combination will be the best way to quickly and accurately detect and identify the bacteria," said Lin, who worked with researchers from Washington State University and Hashemite University in Jordan, to develop th...

The quest for an effective HIV vaccine presents new possibilities, challenges

...es the spread of HIV. Finally, an HIV vaccine that delays but does not completely prevent disease could not stand alone as a preventive measure; the public health community would need to include it as part of a broader HIV prevention program, so that recipients would minimize, or ideally, not engage in high...

Human stem cells delay start of Lou Gehrig's disease in rats

...rds of rats bred to duplicate Lou Gehrig's disease delays the start of nerve cell damage typical of the disease and slightly prolongs life. The grafted stem cells develop into nerve cells that make substantial connections with existing nerves and do not themselves succumb to Lou Gehrig's, also known as amyo...

Cigarette smoking impedes tendon-to-bone healing

...rats, the research team found exposure to nicotine delays tendon-to-bone healing, suggesting this could cause failure of rotator cuff repair following surgery in human patients. Smoking is implicated in a host of physical problems, from cardiovascular disease to lung disorders. Many of us probably don't th...

Mice with glowing hearts shed light on how hearts develop

... cells on the surface of the developing heart that delays the beating between the upper to lower parts of the heart. After 13.5 days of development, the two portions of the heart separate into four, and there is a functional AV node. By that time, the technique revealed, the specialized cells have died so t...

One in 14 men having a heart attack drive themselves to hospital

... treatment is essential in heart attacks and these delays mean that women are more likely to suffer complications." Key findings from the home to hospital study ?which comprised 277 women and 613 men - included: 49 per cent of women and 30 per cent of men were referred to the hospital by their family ...

Polymer aids in blood clotting, pointing way to new treatment

... fibrin and clots. Finally, he said, polyphosphate delays the breakdown of clots, which causes renewed bleeding. "The net effect is accelerating the rate at which blood clots form and then prolonging how long they last," Morrissey said. The successful research already has landed the U. of I. a three-year,...

Botox could help target resistant tumors for treatment

...Botox "pre-treatment" led to significantly greater delays in tumor growth as well as stimulation of apoptosis (programmed cellular death) when compared by irradiation without Botox. The combination of Botox and the chemotherapeutic agent cyclophosphamide showed significantly stunted tumor growth after thre...

Darkness unveils vital metabolic fuel switch between sugar and fat

...pression in the liver. Taken together, these time delays pointed to the gene's expression being mediated by something in the blood. Another lab test showed elevated levels of 5'-AMP in the blood of mice exposed to constant darkness compared to those kept in the regular light-dark cycle. To confirm the co...

Combination therapy improves AIDS-related lymphoma outcome

...oads, but also significantly improves survival and delays the onset of AIDS and AIDS-related cancers, including lymphomas. With the lack of study data to show the efficacy of maintaining HIV-positive patients on HAART while they are treated with chemotherapy for ARL, oncologists are hesitant to expose HIV...

Phenotype is influenced by nature, nurture and noise

...d genetic instructions, or more subtly by built-in delays in biochemical pathways that generate oscillations...the combination of intrinsic noise and biochemical delays also generates oscillations in phenotype. "We think an analysis of such fine details of gene regula...

Kenya halts first field trials of GM maize

...e maize to farmers by 2010 ( see Revision of plans delays Kenya's GM maize ). ...

Scientists get first glimpse at how plants, most animals repair UV-damaged DNA

...water molecules, and that motion within the pocket delays the electron's exit from the dimer until just after the repair is done. As far as scientists can tell, photolyase's only function is to repair DNA, and it's very good at it. The enzyme harnesses energy from the visible portion of sunlight to repair ...

Discoveries by UAB and Florida scientists may help transplanted organs survive longer

...t one dose of IL-10 delivered using a viral vector delays the vascular disease from occurring," Agarwal said. "If the HO-1 pathway is blocked, the protective effects of IL-10 are lost. The delay in vascular disease shown in this study could ?after more research and possible clinical trials in human beings ?...

Thai spice helps cut blood sugar swings

...etabolism. The study, entitled "Hydroxycitric acid delays intestinal glucose absorption in rats," appears on.... Verkade, and Anton J.W. Scheurink. HCA strongly delays post-meal glucose levels, reducing insulin output In the study, rats were administered HCA prior to...

FDA Works To Speed The Advent Of New, More Effective Personalized Medicines

...ill save time and resources and eliminate possible delays in the application review process because parties will be able to familiarize themselves with novel pharmacogenomic approaches as they evolve. FDA's new pharmacogenomics Web page is available . The Web site ("Genomics at FDA") will be useful to ind...

New RNA polymerase discovered in plants

...uences. The plants survived, but there were slight delays in flowering and some strange floral defects. The plants were having trouble with organ identity ?stamens tried to turn into petals, for instance. Our first hypothesis was that the fourth polymerase was involved with what are known as micro RNAs, whi...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

...r at a very early stage and could nearly eliminate delays in diagnosis and treatment." The technique is effective because "it measures changes in the cell architecture, especially those arising from alterations in protein density, cytoskeleton shape, and distribution of mitochondria - changes that occur wh...

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