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Tag: "grow" at biology news

Growing nerve cells in 3-D dramatically affects gene expression

...out as they multiply. But in the body, cells don't grow that way. They are suspended in fluids and gels an...-D and in 3-D. Cells cultured in 3-D, for example, grow faster. Hoffman-Kim, an assistant professor of medical science and engineering at Brown, wants to...

Rare soft-shell turtle, nesting ground found in Cambodia

...odia in 2003, Cantor’s giant softshell turtles can grow up to 2 meters (6 feet) in length and weigh more than 50 kilograms (110 pounds). Only a few records of the species exist for Laos, and it appears to have disappeared across much of its former range in Vietnam and Thailand. It is currently classif...

Left-right wiring determined by neural communication in the embryonic worm

...gmann, who is also an HHMI Investigator. "They all grow to the midline, communicate with each other, and create a conduit of information that links together these two different sides of the brain." Then, after the gap junctions do their job, they disappear. "This network is transient; we only know about i...

UCLA study uncovers clues for why Graves' disease attacks the eyes

...body provokes the receptor to signal the T-cell to grow and multiply ?long after the cell was programmed to die," he explained. "After two or three generations of this process, we suspect that the high-jacked T-cells mutiny over the normal T-cells, sparking the body’s immune reaction against itself." ...

Natural antibiotics yield secrets to atom-level imaging technique

.... Ramamoorthy says that this area of research will grow considerably at U-M from implementing plans to set up a high magnetic field solid-state NMR spectrometer facility and an NIH-funded program. ...

Scientists identify pancreatic cancer stem cells

... a human pancreatic tumor that cause the cancer to grow and propagate have stem cell-like features," Simeo... type of cell in mice, and found that tumors would grow in a subset of the animals, but cells that expressed all three markers were the most potent, produci...

Biodiesel study targets cleaner air, cleaner engines

... materials and oils and give farmers the chance to grow some of their own fuel. Recent government announcements supporting renewable fuels will help advance the demonstration and use of biodiesel on farms. ...

Sandia researchers take new approach to studying how cells respond to pathogens

...live more than a couple of hours, have the ability grow and represent a relevant model of human immune cells. They obtained "immortalized mouse immune cells" from a collaborator at UCSF that have the needed life span, and are accepted as a model system by the immunology research community. "We're start...

Ancient genes used to produce salt-tolerant wheat

...to eventually produce wheats able, like barley, to grow in highly saline soils," Dr Munns says. Over six per cent of the world's arable land is affected by salinity. Salt tolerant crops can provide farmers with income for remediation, as well as helping to stabilise soil from wind and water erosion....

Gut research yields new anti-cancer approach

...ns" of cancer cells that enable them to reproduce, grow and spread. Better solutions are needed because, according to the American Cancer Society, colorectal cancer remains the no. 2 cause of cancer death for men, and the no. 3 cause of cancer death for women. "This is the first observation of a small ...

Researchers learn what sparks plant growth

...n geneticists. "How do organisms decide when to grow and when to stop growing? These questions are espe...e inner layers of tissue, directing those cells to grow or to restrict growth. The outer epidermis, which helps plants retain water and regulate the exch...

Researchers identify ovarian cancer biomarkers

...pressed it may be a sign of a tumor that's able to grow blood vessels more efficiently, and therefore is more aggressive. This may help us down the road in treatment decisions," says lead study author Ronald Buckanovich, M.D., Ph.D., assistant professor of internal medicine and obstetrics and gynecology a...

Brown cancer biologists identify major player in cell growth

... to rouse cells from their slumber and get them to grow again. "So we've found a new pathway to control cell growth," Rosmarin said. "Now that we know a way to disrupt GABP and stop division, there is the possibility that a drug can be made to do the same thing in cancer cells." ...

Woven scaffolds could improve cartilage repair

... cartilage. However, it can take several months to grow a piece of cartilage large enough to be implanted ...said. "Once implanted, the cartilage cells will grow throughout the scaffold, and over time the scaffold will slowly dissolve, leaving the new cartilage ...

Tracking sperm whales and jumbo squid

...ure jumbo squid can weigh more than 100 pounds and grow more than 6 feet long. Sperm whales, the biggest of all toothed whales, inhabit every ocean. An adult male can reach nearly 60 feet in length and weigh 57 tons. The sperm whale was immortalized by Herman Melville in his novel Moby-Dick. Heavily hu...

Bypassing eggs, flu vaccine grown in insect cells shows promise

...ll as a potential bird-flu pandemic. Using eggs to grow vaccine takes time; a flu vaccine that relies on a...it’s not always an easy matter to get the virus to grow as you want in eggs.? The use of cell culture systems to grow vaccines ?using viruses as tiny fact...

Farmed salmon could become an invasive species in forest streams

...n the 1960s, the industry has continued to rapidly grow worldwide. It has expanded to such a degree that prices for farmed salmon have plummeted and, there is concern that farmed fish may become the next invasive species. "Farmed fish escaping from marine net pens might become an invasive species in Bri...

Imaging techniques permit scientists to follow a day -- or four -- in the life of a cell

...he culture environment for cells--allowing them to grow as they would normally--while optimizing the conditions for viewing them by microscopy. This enables researchers to monitor the cells under a microscope for long time periods (in excess of four days), during which the cells may divide multiple times ...

When your brain talks, your muscles don't always listen

...your muscles again? It happens, you know. As we grow older, neurons--the nerve cells that deliver comma...sical responses contribute to more falls as people grow older," Knight said. Knight and co-author Gary Kamen, who directs the Exercise Neuroscience Labor...

3 proteins may play important role in nerve-cell repair

Some mature brain cells can grow new extensions when the amount of three particular proteins on their surface increases, a new study shows. The research examined three related receptor proteins, called GPR3, GPR6 and GPR12, on nerve cells in the brains of rats. When researcher...

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