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Tag: "adding" at biology news

OHSU study says stem cell 'fusion' occurs in tumors

An Oregon Health & Science University study is adding credence to an increasingly popular theory that fusion is what bonds stem cells with bone marrow cells to regenerate organ tissue. Scientists in the OHSU School of Medicine found that transplanted cells derived from adult bone marrow can fuse with i...

UNH researcher restoring oyster reefs to Great Bay

...ding your lawn versus sprigging it," says Grizzle, adding that the smaller reefs seem to show the best results. Oyster harvesting in the Great Bay estuary system ( http://www.oysters.unh.edu/Graphics/great-bay-map.gif ) ?the only oyster habitat in New Hampshire ?is almost exclusively a recreational pursuit...

Predators prefer to hunt small-brained prey

...the evolution of large brains across some species, adding to conventional theories which argue this is important for developing social relationships and using tools." ...

How bad is malaria anemia? It may depend on your genes

...ors grown in a dish, the research team showed that adding MIF to the cells decreases both the final number and maturity of red blood cells. The researchers believe this effect can lead to anemia. When infected with plasmodium, mice genetically engineered to lack MIF experience less severe anemia and are m...

Researcher studies, treats military with 'silent disease'

...ntil we see the last of the visits," Sjogren said, adding that she's been pleased with the results so far. "We had a spectacular treatment success with this group of people, about 70 percent. I'd like to know why we had such success because nobody has these rates of success." ...

Failure of 'scout cells' may lead to cancer in transplant patients

...VanBuskirk says. In the new study, for example, adding IFNg to TGFb prevented the scout cells from changing and allowed them to strongly re-stimulate the memory T cells. If our hypothesis proves to be true, VanBuskirk says, it may one day be possible to identify transplant patients who are at greate...

Scientists discover why cornea is transparent and free of blood vessels, allowing vision

... vision would be significantly impaired," he says, adding that clear, vessel-free corneas are vital to any animal that needs a high level of visual acuity to survive. The cornea, one of only a few tissues in the body that actively keep themselves vessel-free (the other is cartilage), is the thin transpare...

Study finds that a woman's chances of having twins can be modified by diet

...s results in three infants -- and he proposed that adding more calcium or reducing the chelating agent ethylenediamine tetraacetic acid (EDTA) in the IVF incubation media might decrease the unwanted complication. ...

Researchers seek to solve mystery of natural HIV control

...from 25 U.S. states, and we are looking forward to adding participants from other countries," says Pereyra. Potential participants or collaborating providers seeking more information should contact Rachel Rosenberg, Partners AIDS Research Center, (617) 726-5536 or rrosenberg2@partners.org . ...

A new tool against brain disease

...one, but we are excited about the possibility that adding PD-1 measurement might tell us more about the likelihood of progression of the disease and need for treatment in infected people," he said. Walker said that scientists know little about the evolutionary purpose of a pathway that would deactivat...

How HIV 'exhausts' killer T cells

...one, but we are excited about the possibility that adding PD-1 measurement might tell us more about the likelihood of progression of the disease and need for treatment in infected people," he said. Walker said that scientists know little about the evolutionary purpose of a pathway that would deactivat...

Teasing out tissue from blood

...ltures into a diabetic mouse model," says Winnier, adding their results are being prepared for publication in a peer-reviewed journal. Alan Colman of ES International, a company developing insulin-producing cells from human ESCs in Singapore, is also sceptical. He says it would take huge amounts of blood t...

Radiation-armed robot rapidly destroys human lung tumors

...ittsburgh researchers upgraded their CyberKnife by adding a system called "Synchrony," which accurately targets tumors that move as a result of breathing. Synchrony instructs the robotic arm to move the radiation source (a linear accelerator that produces x-rays) in sync with the tumor motion. As a resul...

Mosquito spray increases toxicity of pyrethroids in creek, study finds

...may have actually washed more PBO into the creeks, adding to the PBO coming from the spray that settled directly on the creek surface. Considering this study's findings, said Weston, authorities may want to consider advising residents to leave their outdoor furniture unused in the sun for a day or two to ...

Polymers show promise for lab-on-a-chip technology

...brittle and more pliable than silicon, Elias said, adding that LCP devices could be tailored to respond to specific external stimuli, such as temperature changes and UV radiation exposure, which could makes them easier to activate than silicon. And, perhaps most importantly of all, LCPs are less expensive t...

UF scientists test improved gene therapy method for hereditary heart conditions

...into how this could be used in children," he said, adding that UF researchers hope to launch a trial in patients with Pompe disease early next year. "Many of the inborn errors have their most feared effects early in life, so we're pushing toward being able to do prevent disease as opposed to trying to corre...

Researchers find molecular 'brake' to cell death

...experiments, Tang and his research team found that adding ATP to a cancer cell could potentially impede apoptosis. They discovered that these nucleotide pools, in fact, act not to promote apoptosis through production of ATP, but to hinder it. They are "pro-survival factors" that prevent CC, when released fr...

UC San Diego biologists solve plant growth hormone enigma

...ant development," said Zhao. "It wouldn't require adding any new genes to the plant, just changing when the appropriate auxin genes were on or off could alter growth. For example, to make seedless tomatoes, one could activate auxin in the floral organs before fertilization has taken place." Applying auxi...

Record bonefish

...a newly discovered behavioral pattern," Ault said, adding that the prospect of bonefish crossing the Gulf Stream has profound implications on the population's prospects and is an exciting breakthrough. This is the reason why BTU invested in this kind of research to begin with," said Tom Davidson Sr., BTU c...

How nice, brown rice: Study shows rice bran lowers blood pressure in rats

...al Research Institute of Brewing demonstrated that adding rice bran to the diets of hypertensive, stroke-prone rats lowered the animals?systolic blood pressure by about 20 percent and, via the same mechanism, inhibited angiotensin-1 converting enzyme, or ACE. “There’s much work being done on various bran f...

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