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Tag: "depleted" at biology news

Beyond lithium for bipolar disorder

...hat were unequivocally activated when inositol was depleted in the brain slices. They discovered several genes that they concluded "suggest new directions toward the treatment of bipolar disorder." The behavior of one such activated gene, called GPR88, has been found to be associated with a rat model of man...

World's largest rainforest drying experiment completes first phase

...tained the forest during prolonged dry seasons was depleted in the dry plot, the trees simply absorbed water from deeper in the soil with their extensive root systems, avoiding most of the visible symptoms of drought stress. By the end of the five-year period of exclusion, many trees in the forest were drawin...

A hope for oil spill bioremediation

...s. Due to its biological origin, crude oil is very depleted in 13C. Therefore, its biodegradation product CO2 will also be more 13C depleted as compared with the typical marine DIC and atmospheric dissolved CO2. The sampling area is an ener...

Stem cells in bone marrow replenish mouse ovaries

... the bone marrow and blood of mice can "restock" a depleted ovary with new egg cells within weeks, according to new research published in this week's issue of the journal Cell. This finding provides direct evidence to overturn a long-held dogma in reproductive biology, that female mice generate egg cells onl...

Sandia completes depleted uranium study

...lth effects associated with accidental exposure to depleted uranium (DU) during the 1991 Gulf War. The study,...ter the enrichment process (mostly uranium-238) is depleted in uranium-235 and is called depleted uranium. The high density, low cost, and other properties of ...

Fundamental discovery -- Bone fracture

... in learning how these molecules change and become depleted with age as well as in certain diseases," said Morse. "A potential benefit from these discoveries is the prospect that we might now learn how to protect bone from these deleterious changes, and perhaps actually reverse some of the changes." Hansma e...

Eliminating bacterial infections out of thin air

...ight them off. The infected tissues typically show depleted oxygen levels, and a protein called HIF-1 alpha regulates this. Interestingly, the cells responsible for destroying the foreign pathogens are effective in this low-oxygen environment. In a new study appearing in the July 1 print issue of The Journal ...

Clean skies=faster global warming?

...ight them off. The infected tissues typically show depleted oxygen levels, and a protein called HIF-1 alpha regulates this. Interestingly, the cells responsible for destroying the foreign pathogens are effective in this low-oxygen environment. In a new study appearing in the July 1 print issue of The Journal ...

Restaurant seafood prices since 1850s help plot marine harvests through history

...HMAP project is not all about "doom and gloom" and depleted fishing areas, he says. "We stress an understanding of the forces behind the changes." With respect to the North Sea, for example, researchers at the conference will show: * How large harvests of the ling fish prior to 1914 allowed cod to domin...

HIV inserts into human genome using a DNA-associated protein

...genes. Bushman and his team made cells that were depleted of LEDGF and found that integration was less frequent in transcription units and in genes regulated by LEDGF. "This implies that LEDGF is part of the machinery that helps dictate the placement of retroviral integration sites within chromosomes," says...

New vaccine platform may fight infections with causes from influenza to bioterrorism

...ainst weaponized agents, such as anthrax. In mice depleted of CD4+ T cells, which are essential for signaling...ficant experiments the researchers conducted, mice depleted of CD4+ T cells received the combination CD40L-kexin vaccine in three doses administered three weeks...

Gene controls whether fear is a factor

...ve environments." By contrast, he added, the mice depleted of stathmin perform normally in a test of spatial learning. Fear reactions represent a spectrum of behaviors that vary from those that are inborn to those instilled through experience, said the researchers. Instinctive fears--such as fear of heights...

Infant transplant patients resist infections that kill adult AIDS patients

...t the infants were deficient in T cells, the cells depleted in AIDS patients that are crucial to fighting viruses and cancer tumors. The researchers found that over a 10-year-period the infant transplant patients resisted the same infections that often kill adult AIDS patients. The transplant patients maintai...

Pacific Islands paradise protected

...ll species of fish can be protected so none become depleted or extinct." The Republic of Kiribati and the New England Aquarium developed the Phoenix Islands project over several years of joint scientific research and discussions, with funding and technical assistance from the Global Conservation Fund at Cons...

Evidence for omega 3 fats less conclusive than we thought, say experts

...ish and fish oils. However, industrial fishing has depleted the world's fish stocks by some 90% since 1950, and rising fish prices reduce affordability particularly for people with low incomes. Global production trends suggest that, although fish farming is expanding rapidly, we probably do not have a susta...

One fish, two fish: New MIT sensor improves fish counts

...rapid decline. "The world's fish stocks are being depleted at a horrible rate," said Makris, who attributed declining populations to overfishing, a problem that has been abetted by inaccurate fish counts. "One of the reasons (for the inaccurate counts) is the darkness in the ocean. You don't know what's goin...

Study may help slay 'Yellow Monster'

...or war-torn countries and the military, which uses depleted uranium for anti-tank weapons, tank armor and ammu...ow there is more interest in the health effects of depleted uranium. People are asking questions now," Stearns said. The questions include whether there is a c...

Proteins stop blood-vessel and tumor growth in mice

... invasion. In the past, we have seen that they are depleted in numerous metastatic cancers, and that they inhibit the formation of new blood vessels in cell culture," said William Schiemann, Ph.D., Assistant Professor in the Program in Cell Biology at National Jewish. "Our current findings show that fibulins ...

UN review shows need to halt destructive fishing practice

...t managed until they are overexploited and clearly depleted and,because of the high vulnerability of deep-sea species to exploitation and their low potential for recovery, this is of particular concern for these stocks," the review said. The draft review called bottom trawling a particular concern, due to i...

Jellyfish dominate fish in over-harvested Namibian waters

...y exploited since the 1970s and have been strongly depleted in the process. Because fish and jellyfish essentially compete for similar nutrient resources, a dramatic decline in fish populations could theoretically contribute to a substantial shift in the abundance of jellyfish. The researchers' findings ind...

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