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Tag: "based" at biology news

Researchers from the UGR use a bacterium to obtain biopreservatives from food

... an innovative method in food-preservation systems based on the use of microorganisms or their metabolic products to inhibit or destroy undesirable microorganisms. Marina Sánchez Hidalgo, member of the research group and author of the doctoral thesis entitled 'Caracterización de variantes de la enteroci...

Researchers develop technique for bacteria crowd control

...diagnostic kits and bioanalysis. The technique is based on the transmission of tiny electric current in a very thin film sample cell containing a colony of bacteria. The current produces electrolysis that changes the local pH level in the vicinity of the electrodes. The bacteria, uncomfortable with the c...

Large size crucial for Amazon forest reserves

...able conservation strategies result when policy is based on sound science. The results in this paper confirm the importance of this action and other, similar efforts to conserve forested regions. ...

Finnish scientists discovered a new approach to treat virus-induced lymphomas

...n of p53 with its negative regulator MDM2. This is based on a potent and selective small-molecule inhibitor of the p53–MDM2 interaction, the Nutlin-3a, originally discovered by Dr Lyubomir T Vassilev (Roche Research Center, Nutley, NJ., USA). Nutlin-3a has been suggested to be a potential treatment optio...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...ost strongly associated with response. Predictors based on combinations of molecular correlates of response were able to quantitatively predict individual cell line responses. "The concordance of our markers of response to lapatinib with those observed clinically suggests that the molecular markers id...

Bats prey on nocturnally migrating songbirds

...upervision, was launched by Spanish research teams based in Sevilla (Doñana Biological Station) and Granada (Zaidín Experimental Station) thanks to funding from the Spanish Environmental Ministry. The programme was soon joined by one of their once most virulent Swiss detractors (Prof. Raphaël Arlettaz, Uni...

Natural gut hormone offers hope for new obesity drug

...ating into a treatment. "Developing a treatment based on natural appetite suppression, mimicking our bod...k of effective treatments and our proposed drug is based on a natural way of controlling the body's appetite, which makes it more attractive." ...

New species declared: Clouded leopard on Borneo and Sumatra

... on geographical variation in the clouded leopard, based mainly on fur patterns and coloration of skins held in museums and collections. “The moment we started comparing the skins of the mainland clouded leopard and the leopard found on Borneo and Sumatra, it was clear we were comparing two different s...

New antibacterials being developed to tackle MRSA superbug

...reas of unmet need. Prolysis, an R&D company based in Oxford, has received one of three inaugural Seeding Drug Discovery awards for its new antibacterial compounds aimed at tackling life-threatening, drug-resistant infections caused by staphylococci, including MRSA. The bacterium Staphylococcus aur...

Dual gene therapy suppresses lung cancer in preclinical test

... combination also activates a cell suicide pathway based in the cells' mitochondria, their energy powerhouse. Lab experiments first showed that the gene combination cut the number of viable cells in four lines of human non-small cell lung cancer by 70 to 80 percent 48 hours after treatment while leaving...

Growth hormone is not the anti-aging bullet for healthy adults

...the scientific claims made on anti-aging Web sites based on this small population of patients. The FDA typically doesn't approve a drug until it's been tested in thousands of patients. "In our review, we found that growth hormone increased lean body mass or muscle mass by slightly more than two kilogram...

Gene expression test reveals ER and HER-2 status of breast tumors

...ards personalized diagnosis and treatment planning based on an integrated genomic test of an individual tumor," said senior author W. Fraser Symmans, M.D., associate professor in the M. D. Anderson Department of Pathology. The Lancet Oncology paper results are the latest in an effort by the research team t...

Scientists create dual-modality microbeads to improve identification of disease biomarkers

...f a specific protein or virus in the liquid sample based on the number of proteins or viruses attached to t...teins or viruses have attached to individual beads based on their spectral signature," explained Sathe. The process of creating these beads is quite simpl...

Application of Genomatix in silico methods reveals novel cancer associated genes

..., U.S.A. identified novel cancer associated genes, based on strategies and products developed and promoted by Genomatix. Experimental verification by siRNA knock-down and RT-PCR confirmed the in silico results. "I am delighted that an ever increasing number of scientists proof the validity of our concepts...

Sunshine pill for prostate cancer in 2009

...its makers claim. The drug, Asentar (DN-101), is based on vitamin D and is given to patients in the advanced stages of prostate cancer along with chemotherapy drugs. Drug makers came up with the idea because vitamin D from sunlight improves the prognosis of certain cancers. But taking natural levels of ...

Researchers hot on the trail of brain cell degeneration

...sease, epilepsy and stroke. Courtney and his team, based at the A. I. Virtanen Institute of the University of Kuopio, joined forces with Docent Eleanor Coffey's team at the Turku Centre for Biotechnology to carry out the study as part of a series of successful collaborations between the two teams. The resu...

Eating less salt could prevent cardiovascular disease

...ects of a low salt diet on cardiovascular problems based on randomised trial data. It provides unique evidence that lowering salt in the diet might prevent cardiovascular disease. ...

New cigarette designs don't offer lower predicted cancer risks

...er states that this makes promises of reduced harm based on such removal "speculative and unverified." "Despite all the years of research, we can only account for a small percentage of the carcinogenicity of smoking conventional cigarettes," said Pankow, Ph.D., professor in environmental and biomolecula...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

... their causes of death can only be speculated upon based on symptoms or medical reports. Instead, the ulcerated lesion on the emperor's stomach suggests a history of chronic H. pylori gastritis, which might have increased his risk of gastric cancer, Dr. Genta said. The risk might have been further inc...

Cancer researchers add spice to research against rare neuromuscular disease

...-J9, a synthetic chemical compound that is loosely based on a compound found in curcumin. Significantly, however, ASC-J9 has been chemically modified compared to its natural counterpart to make it much more powerful. Despite the promise it offers for Kennedy's disease, Chang notes that ASC-J9 must be rigor...

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