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Tag: "produces" at biology news

Super-sized cassava plants may help fight hunger in Africa

...roject in his laboratory. Sayre said that cassava produces sugar more efficiently than any other cultivated plant. "We wanted to find a way to help the plant redirect that excess sugar and use it to make starch," Sayre said. The researchers used a variety of cassava native to Colombia (cassava was brought ...

New lab technique churns out fungus' potential cancer fighter

...sity of Rochester, has now revealed a process that produces 67 times more rasfonin than any previous method. For the first time, scientists can obtain enough rasfonin to conduct proper biological tests on it. "At a guess, I'd say that rasfonin itself will not be the final compound that might come to market,"...

Radiation-armed robot rapidly destroys human lung tumors

...ve the radiation source (a linear accelerator that produces x-rays) in sync with the tumor motion. As a result of the unique real-time tumor tracking capabilities of their upgraded CyberKnife, the researchers have established detailed methods for the safe treatment of lung tumors which otherwise couldn't be...

New lab technique churns out fungus' potential cancer fighter

...sity of Rochester, has now revealed a process that produces 67 times more rasfonin than any previous method. For the first time, scientists can obtain enough rasfonin to conduct proper biological tests on it. "At a guess, I'd say that rasfonin itself will not be the final compound that might come to market,"...

For Stanford scientists, RNAi gene therapy takes two steps forward, one step back

...aid. In traditional gene therapy the inserted DNA produces a gene to replace one that carries a mutation. In ... therapy has the opposite effect. The inserted DNA produces a molecule called an shRNA, which turns off an overactive gene. With key genes shut off, viruses su...

Role of protein in immune response may aid HIV research

...ses with PGLYRP when exposed to bacteria. The skin produces these proteins only when exposed to virulent or hi...ously monitor the blood and fight acute infection, produces PGLYRP constantly. The researchers suggest that the liver's constant protein production may help ful...

Ritalin packs punch by elevating norepinephrine, suppressing nerve signal transmissions

...t how the drug, a chemical cousin of amphetamines, produces its therapeutic effects. Researchers want to unlock the mystery of why the drug has the paradoxical effect of decreasing hyperactive behavior and increasing the ability to focus, even though it is a stimulant, said Barry Waterhouse, the study's senio...

New fruit fly protein illuminates circadian response to light

...ature, and metabolism. Although circadian function produces a stable rhythm in the body, the biological clock will reset in response to light. The human condition known as jet lag takes place during the period when the body is attempting to resynchronize to the environmental light changes brought on by travel...

Just the expectation of a mirthful laughter experience boosts endorphins 27 percent, HGH 87 percent

... " while other studies of daily 30-minute exposure produces profound and long-lasting changes in these measure...et serious about happiness' and the lifestyle that produces it, relative to mind, body and spirit and its biotranslation," he added. "Why do you think Reader...

Marrow-derived stem cells deliver new cytokine to kill brain tumor cells, offer protection

... the patient." In this case, the gene of interest produces IL-23, which appears to be very well suited for attacking gliomas. Earlier studies used IL-4, IL-12, and tumor necrosis factor related apoptosis inducing ligand (TRAIL). "Each cytokine has unique functions. What we want to do is marry the function w...

'Scent of a woman' tells male redback spiders to find a mate

...k males away or even off the web. The female, who produces a batch of 100 to 300 eggs every month, will mate with only one or two males, and the first male will get up to 90 to 100 per cent of the fertilization for that female. "This provides a really good explanation for why there is so much size variation ...

New crop of technology reveals plant health

...ain idea behind PLANTS is to develop a system that produces the optimal growing conditions for a crop, so that crops are kept in the best possible health with the minimum of inputs," says Dr Fiona Tooke of the Eden Project, one of the project partners. "It promotes sustainability, because there isn't excessiv...

AIDS-related cognitive impairment exists in two separate forms

...five days. However, a mutation in these stem cells produces mutant daughter cells, disorganized tissue architecture, and increased proliferation of crypt cells, which leads to development of colon tumors, Boman said. Hence, they then analyzed malignant colon tissues and found that there are a number of miRNAs...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

...five days. However, a mutation in these stem cells produces mutant daughter cells, disorganized tissue architecture, and increased proliferation of crypt cells, which leads to development of colon tumors, Boman said. Hence, they then analyzed malignant colon tissues and found that there are a number of miRNAs...

Mutation in blood stem cells provides clues to cancer development

...a result of this intrinsic defect, the bone marrow produces excessive numbers of red blood cells. "This discovery is important because if we can pinpoint an inhibitor that directly targets the JAK2 mutant allele, we can fight the disease without inhibiting normal stem cell differentiation. These patients co...

Newly discovered killer cell fights cancer

...sketch of its molecular profile. He found that it produces both types of interferon proteins, normally secreted independently by NK and dendritic cells. He also found both NK and dendriticlike molecules on the surface of IKDCs. Housseau calculated that they account for about 10 percent of conventional dend...

Healing honey: The sweet evidence revealed

... of the oldest healing remedies known to medicine, produces effective results when used as a wound dressing. A review article in the most recent issue of SAGE Publications' International Journal of Lower Extremity Wounds summarizes the data. Scientists performed 22 trials involving 2,062 patients treated wit...

Biofuels can replace about 30 percent of fuel needs with significant research and policy effort

...y would work much like a petroleum refinery, which produces multiple fuels and products from petroleum. The group based its recommendations on research studies, including studies on the development of rapid-growth, high-energy content trees and perennials, novel environmentally friendly biomass extraction te...

Gene thwarts some pathogens, gives access to others, could save crops

...g the gene, according to the scientists. The gene produces a protein located in the plant cell membranes and shows activity that is characteristic of proteins that act as enzymes. This finding led researchers to believe that these molecules give the early signals needed to set off a relay of biochemical even...

Don't hold your breath: Carp can manage without oxygen for months

...y other vertebrate, and it makes tranquilizers and produces alcohol when oxygen supplies are limited. These mechanisms allow the fish to survive for days or even months without oxygen depending on the temperature, whilst still maintaining physical activity. ...

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