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Tag: "clear" at biology news

Bioartificial kidney under study at MCG

...tion, play a role in blood pressure regulation and clear and metabolize cytokines that help direct the immune system. The new device for kidney failure adds billions of kidney cells that can perform many of these important kidney functions. Human proximal tubule cells are collected from kidneys obtained b...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...n the bloodstream. "Before this report, it wasn't clear what the differences were between saturated fats and unsaturated fats in their ability to raise cholesterol blood levels," commented Jeffrey Flier, MD, an obesity specialist at Beth Israel Deaconess Medical Center. "These are important findings in a ...

Genes In The Interferon System Important In Systemic Lupus Erythematosus

...ystem, we were able toidentify two genes with such clear connection to SLE," says ProfessorAnn-Christine Syvänen.A few years ago Lars Rönnblom and Professor Gunnar Alm at the SwedishUniversity of Agricultural Sciences were virtually the only researcherswho claimed that the interferon system, which is invol...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

...lt in the onset of skin cancer.Thus far it was not clear how the two major types of UV-induced DNAlesions ?cyclobutane pyrimidine dimers (CPDs) and (6-4)photoproducts(6-4PPs) ?contribute to the processes of cell death and cancerformation. Identifying the relative contributions of the two types ofdamage to ...

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

...n the genetic mutation is present, too, we found a clear cost for what otherwise appears to be a benign effect of extra IGF2." The team's analysis of colon tissue samples from a dozen or so Johns Hopkins patients with suspected colon cancer suggests that IGF2's effect in people may be similar, the researc...

Priming embryonic stem cells to fulfill their promise

...ratories."When we talked to our colleagues, it was clear that, whether it'scells in the liver, brain, or heart, there had been no practical wayfor researchers to find the optimal extracellular matrix needed to turnembryonic stem cells into cells with therapeutic potential," saidBhatia. "We think we've deve...

Neuronal 'traffic jam' marks early Alzheimer's disease

...ts' analyses of the neurons in those mice revealed clear defects, said Goldstein. "What we saw quite early ...plaque deposition," said Goldstein. "This makes it clear there is some mechanistic connection between the transport deficit and plaque deposition. "So, our ...

Gene variations explain drug dose required to control seizures

...my of Sciences, the investigators report the first clear evidence linking variation in genes involved in th...d in what dose," Goldstein said. "This study makes clear that such an approach is not sufficient. People with epilepsy are genetically different from one ano...

Researchers identify target for cancer drugs

...understood. As a result, researchers have lacked a clear idea about how to prevent the process. However, in the February 18 issue of the journal Science, researchers from the Sabatini lab report on discovering an important missing piece of the activation process. This missing component, a molecule called ...

Experiments provide proof of how traveling in groups protects insects

...ls removed from the group suffered gory deaths was clear from partially chewed transmitters the scientists ...annibalism of injured crickets ?overall, there's a clear benefit to band members," Lorch said. "Predation occurs anyway, but any given individual is far bett...

Experiments provide proof of how traveling in groups protects insects

...ls removed from the group suffered gory deaths was clear from partially chewed transmitters the scientists ...annibalism of injured crickets ?overall, there's a clear benefit to band members," Lorch said. "Predation occurs anyway, but any given individual is far bett...

Ants Genetic Engineering Leads To Species Interdependency

...ardless of the specific advantages, however, it is clear that theseants have committed themselves to the hybrid workforce strategy.When the researchers prevented queens from mating with males of theother species, very few succeeded in making any workers at all, ahandicap that would lead to certain populati...

Same mutation aided evolution in many fish species, Stanford study finds

... head to hind fin in body armor. Although it's not clear why losing the armor is a benefit to freshwater fish, Kingsley noted that the unarmored fish are lighter and faster than their more burdened marine cousins. In an effort to learn more about how the armor trait evolves so quickly, Kingsley and his co...

Jumping gene helps explain immune system's abilities

...led by Johns Hopkins scientists hasfound the first clear evidence that the process behind the human immunesystem's remarkable ability to recognize and respond to a milliondifferent proteins might have originated from a family of genes whoseonly apparent function is to jump around in genetic material. "Jump...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...led by Johns Hopkins scientists hasfound the first clear evidence that the process behind the human immunesystem's remarkable ability to recognize and respond to a milliondifferent proteins might have originated from a family of genes whoseonly apparent function is to jump around in genetic material. "Jump...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...led by Johns Hopkins scientists hasfound the first clear evidence that the process behind the human immunesystem's remarkable ability to recognize and respond to a milliondifferent proteins might have originated from a family of genes whoseonly apparent function is to jump around in genetic material. "Jump...

Gene sequencing explains bioremediation 'bug'

...led by Johns Hopkins scientists hasfound the first clear evidence that the process behind the human immunesystem's remarkable ability to recognize and respond to a milliondifferent proteins might have originated from a family of genes whoseonly apparent function is to jump around in genetic material. "Jump...

White blood cell waste disposal system plays critical regulatory role

...ils is actively linked to neutrophil production. A clear understanding of the processes that control neutrophil turnover may contribute to the development of future therapeutics for conditions characterized by abnormal numbers of these critical immune cells. Human neutrophils are white blood cells that ar...

Scientists solve structure of key protein in innate immune response

...p anti-septic shock agents for a long time without clear success," explains Dr. Lee. "Since LPS is an important inducer of septic shock, blocking LPS receptors such as CD14 are among the most important targets. Our structure shows the shape of the LPS binding pocket of CD14. Now, drug developers will have ...

World's largest rainforest drying experiment completes first phase

...f rainfall was diverted with six thousand 2' by 6' clear plastic panels suspended 3 to 12 feet above the so...promising its remarkable resistance to fire, it is clear that drought in tandem with fire can swiftly push the tall, dense rainforests of the region towards ...

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