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Tag: "enabled" at biology news

Priming embryonic stem cells to fulfill their promise

...and Flaim described intheir paper a technique that enabled them to identify the precise mixof proteins that optimally prompted mouse embryonic stem cells to beginthe differentiation process into liver cells. Bhatia, Chien, and Flaimdesigned the technique with other cell biologists in mind so that anyof them ...

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

...lso providedimproved Proteomics Import Scripts and enabled the import of p-valuespectrum data to allow exported p-values from ANOVA experiments to bere-imported, enabling novel visualization of channels that bestdistinguish between different classes (see Protein Biomarker/ProteomicsExamples available on the ...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...ary to produce a stable pattern of wing motion and enabled the team to capture X-ray images at different stages of muscle contraction. By combining the technologies, the researchers could reconstruct a ‘movie?of the molecular changes in the powerful muscles as they lengthen and shorten to drive the wings bac...

Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin

...mbedded with bright, light-emitting molecules have enabled researchers to visualize a tumor more than one centimeter below the skin surface using only infrared light. A team of chemists, bioengineers and medical researchers based at the University of Pennsylvania and the University of Minnesota has lodged fl...

International HapMap consortium expands mapping effort

...on additional SNPs to HapMap. The new development, enabled by a partnership among multiple funding sources, will expand that effort and test virtually the entire known catalog of human variation on the HapMap samples. This will increase the density of SNP "signposts" across the genome from the current averag...

Genetically modified rice in China benefits farmers' health, study finds

...e. In short, use of the genetically modified rice enabled the farmers to reduce pesticide use by 15 pounds per acre, an 80-percent reduction when compared with pesticide use by farmers using conventional rice varieties. Rice yields The survey data also showed that there was a difference in yields between ...

Advances in the characterisation of the oyster mushroom genes

...ion of each one of the genes is produced. This has enabled the synthesis of the cDNA of each gene and, by means of comparison with the corresponding genomic sequence, the characterisation of their structure. Regarding their location on the linkage map, it has been found that four of the five genes are locat...

Harmful chemicals may reprogram gene response to estrogen

...," said Walker. "We realized that the DES exposure enabled estrogen to drive the tumor development when combined with a genetic predisposition." While DES exposure can lead to the development of vaginal and cervical cancers, the fact that most DES-exposed women did not develop the cancers suggests that gene...

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

...ticular medication or regimen. This technology has enabled the development of targeted therapies like Herceptin for metastatic breast cancer, Gleevec for chronic myeloid leukemia and Erbitux for metastatic colorectal cancer. "FDA's efforts will bring us one step closer to 'personalizing' medical treatment,"...

UN votes to ban human cloning

...ts of these scientific methods, which have already enabled researchers to develop innovative drugs to treat diseases." The United Kingdom, the Russian Federation, France and India, have not reached a consensus on banning reproductive cloning and want to keep their options open on therapeutic cloning. Britai...

Discovery clarifies role of peptide in biological clock

...ch they place SCN cells, a "clock in a dish." This enabled them to record data from many cells for many days. "We found that the VIP mutants, indeed, can generate circadian rhythms, but the neurons can't synchronize to each other," Herzog said. "We showed that we could restore rhythms to the arrhythmic neur...

Two chemicals boost immune cells' ability to fight HIV without gene therapy

...d the cells from aging prematurely. The telomerase enabled the immune cells to divide indefinitely, stimulated their production of a viral-fighting molecule and prolonged their power to kill HIV-infected cells. In this study, the scientists isolated immune cells from the blood of HIV-infected persons and cu...

Mutation in clams protects against paralytic shellfish poisoning but raises human health risk

...d comparing DNA sequences from the two populations enabled Connell to identify the single nucleotide mutation that corresponded with toxin resistance. She showed that the mutation changed an amino acid in a channel, a protein in the nerve cell membrane that allows sodium ions to pass through the membrane. Re...

Venom doc tracks down snake bioweapons

...eir chemical arsenal from other body tissues. This enabled snakes to develop more specific, highly potent toxins, ones that would cause their victims' bodies to turn against themselves upon injection. Over time, these newly derived toxins became a normal part of the saliva protein repertoire. To date, 24 dif...

Natural Killers Could Lead to New Hepatitis Treatments

...que called intravital fluorescence microscopy that enabled them to observe in real time the behavior of the tagged cells in the livers of mice. “The startling discovery was that these NKT cells just move within the sinusoids intravascularly,?said Littman. By contrast, he said, immune cells in the lymph node...

Atmosphere may cleanse itself better than previously thought

...must be happening." The laser technique, however, enabled the team to characterize the minute quantities of radiation absorbed by a substance called methyl hydroperoxide when it breaks up in sunlight and forms OH radicals. Methyl hydroperoxide is one of the substances that can absorb light in the lower UV s...

New miniaturised chip dramatically reduces time taken for DNA analysis

...of Genetics and Microbiology, the new sensors have enabled Salmonella to be identified in four and a half hours, compared to three to five days using the traditional microbiological methods. This method for identifying bacteria could also be used to detect other infectious agents such as Campylobacter and Li...

High-powered gene profiles provide clues to genes involved in common form of lung cancer

... deleted or overcopied regions, respectively. This enabled them to narrow the search for genes that were the targets of the irregular regions. Intriguingly, all of the genes already known to be involved in NSCLC reside within the abnormal regions identified by the Dana-Farber team. "This is compelling evide...

Studies reveal how plague disables immune system, and how to exploit the process to make a vaccine

...light, glow blue instead of green. This technique enabled the team to identify the cell types targeted by the bacteria. Two days after the mice were infected, their spleens were filled with bacteria. Although the overwhelming majority of immune cells in the spleen are B cells or T cells, nearly all of the i...

Specialized immune-system B cells play double-barreled role

...ction and development. Thus, the two mouse strains enabled the researchers to explore the consequences of too...the strain lacking CD19, and therefore B-1a cells, enabled the researchers to isolate sufficient numbers of pure B-1b cells for study. The researchers studied...

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