Tag: "adding" at biology news

New drug with unusual promise enters ALS pipeline

...arkof the disease. In the lab spinal cord models, adding THA also blocks glutamatecleanup, and nerve cells wither in a way indistinguishable from the real thing. The Hopkins team has been refining their model for the past eight years,to the point, Kuncl says, where "it faithfully predicts subs...

Blocking VEGF can enhance radiation therapy

...ither VEGF nor anti-VEGF affected tumor cells, but adding VEGFprotected blood vessel cells from radiation and adding anti-VEGF made bloodvessel cells more susceptible to radiation. "The combination of anti-VEGF and ra...

Cellular espionage at play in post-menopausal osteoporosis

...eceptors and adecrease in signaling receptors upon adding estrogen to osteoclasts, but notwhen we performed ...y. "But it's aremarkable kind of competition, and adding this small revelation regardingestrogen regulation is a potential boost to pharmaceutical possibilit...

Plakin proteins brace nerve axons and allow for the transport of neurotransmitter vesicles

..., a member of Fuchs' research team, showed that by adding thenew BPAG1 plakin to cells with very sensitive microtubules, the cells becamemore resistant to cold and colchicine. Exposure to cold temperatures or thechemical colchicine normally cause microtubules to depolymerize, or fall apart,within minutes. ...

Lab experiments reveal potential therapeutic target for degenerative brain diseases

...odent species. "In our experiments, we showed that adding a peptide derived from the core ofthe prion protein dramatically reduced the generation of abnormal PrP associatedwith prion disease," explains lead author Joelle Chabry, Ph.D., from the CentreNational de la Recherche Scientifique (CNRS) in France. ...

New rices may help address vitamin A and iron deficiency, major causes of death in the developing world

... achieved beta-carotene production in ricegrain by adding three genes to rice plants, two from daffodil and one from thebacterium Erwina uredovora. The resulting transgenic rice plants producesufficient beta-carotene -- converted to vitamin A in humans -- in the grain tomeet total vitamin A requirements in...

Stanford scientists use noise to sort proteins

... ratchet appears capable of performing workwithout adding energy. If the spring is light enough to allow the...illed it with artificialmembrane, and tested it by adding charged, fluorescently labeled membranemolecules, called phospholipids, to one corner. Then they app...

Scientists create smart mouse

...rators at MIT and Washington University,found that adding a single gene to mice significantly boosted the animals'ability to solve maze tasks, learn from objects and sounds in their environmentand to retain that knowledge. This strain of mice, named Doogie, also retainedinto adulthood certain brain feature...

Heart transplant surgeon at Cedars-Sinai specializes in implanting mechanisms that allow a defective heart to rest while awaiting a transplant

...rather go walking than sit inthat chair," he said, adding that another motivation is to be in good physicalcondition when he undergoes the transplant operation and eventually returns toMission Viejo. "I want to be able to do a lot of things when I go home. I don't want to besitting around the house all day...

Scientists identify brain chemicals involved in 'switching on' cocaine addiction

...f this protein. The researchers found that adding the extra delta-FosB gene caused themice to become more sensitive to the pleasurable, or rewarding, effects ofcocaine, a change that is thought to play an important role in the development of cocaine craving andaddiction. This suggested that the incr...

A miserable life on overcrowded Earth in 2100

...ining human life with dignity, the reportsuggests, adding a cautionary note: "We must avoid letting human numbers continue to increase and surpass the limitof Earth's natural resources and forcing natural forces to control our number bydisease, malnutrition and violent conflicts over resources," the report...

Newly released satellite images of Antarctica a valuable scientific benchmark

...sonwith other data gathered in the region, thereby adding to a growing database ofinformation that includes smaller-scale aerial photographs and high-resolutioncommercial satellite images. The President announced during a state visit to New Zealand that theNational Imagery and Mapping Agency (NIMA)...

Cancer gene is normally a 'carpenter' in the cell

...ed tyrosine kinases,that trigger other proteins by adding a phosphate to the amino acid tyrosinethat is part of the protein. By altering levels of the growth factors and Src, in the mouse cells andobserving the effects on c-Abl, the scientists could determine whether they werepart of the normal pathw...

Scientists look for signs of pollution in the superhighway in the sky

...oxides to the atmosphere. That's the equivalent of adding 10 moleculesof nitrogen oxides to a trillion molecules of air. But the air that far up is soclean, even such a small number of molecules could be an increase in nitrogenoxides of more than 20 percent, said Thompson. For now, Thompson contend...

UF research ties homosexual behavior in beetle to evolution

... if they were seeking malesalone," Brockmann said, adding that bottom females are capable of pushing topones off but do not do so. Homosexual behavior is observed in a number of insects and other animalspecies, Brockmann said. The standard explanation for the behavior indomesticated animals such as...

A safer way of altering genes

...e therapists treat people with geneticdisorders by adding therapeutic genes to specific tissues in the hope that theywill be taken up by enough cells to correct the defect. While this ensures that sperm and egg cells do not become contaminatedby the added genes, it isn't very efficient. As a result,...

Errant nerve cells risk a clockwork death

... cord. "We noticed that in cultures grown without adding floor plate tissue, theneurons would suddenly all die," said Tessier-Lavigne. "If we had floor platetissue present, they would survive much longer." The scientists measured the timing of cell death and found that the culturednerve cells needed the p...

Global warming threatens state's quality of life

...hould be discussed broadly by all citizens." Also adding expertise to the two-year study, which calls on the public and state officials to begin to formulate mitigation measures, were John Melack, a UCSB ecology, evolution and marine biology professor; and Steve Gaines, director of the university's Marine ...

Meet the chemical that lets sea creatures thrive

...from a cow. Regardless of the source of theenzyme, adding TMAO increased the enzyme's ability to withstand high pressures and attack by anotherenzyme that breaks down proteins. As TMAO seems ubiquitous among deep-sea animals, it may be a good example of how different specieshome in on the same survival tri...

Scientists map brain's primary memory network

...understandingmemory processes highly significant, adding that the study revealed "a functional organization forthe hippocampus, one of the highest cortical processing areas in the brain." The rats are tested in an experimental chamber with two bars or levers positioned on a single wallas left or right. A...

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