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Tag: "slow" at biology news

Growth in the sea comes down to a struggle for iron

...r aggregations. They studied the sinking rate, the slow process through which aggregations of diatoms sink into the deep sea, taking their carbon with them. The Kilo Moana returned to Hawaii after spending 42 days at sea. Early results suggest that the struggle for iron may indeed follow something like w...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...mature white blood cells that didn't die, with the slow rise in leukemia cell count seen in patients due to an accumulation of these immature and incompetent white blood cells. Scientists have since discovered that CLL cells do indeed turn over, with the accumulation over time a result of the difference i...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

...o. It'll open tons ofresearch avenue, speeding the slow (and tedious) process of genecloning, or gene modification (mutations, deletions, etc). Devices the size of a pager now have greater capabilities thancomputers that once occupied an entire room. Similar advances are beingmade in the emerging field of...

New Technique for Tracking Gene Regulators

...their original positions on the genome,but it is a slow and somewhat expensive process. Other methods, such asmatching the pieces to their compliments on microarrays, are limited bythe size of genome they can analyze.Dunn’s team has come up with a technique to determine the positions ofthese 500-to-1,500-...

Research on Worms Yields Clues on Aging

...ing for a "Fontaine de Jouvence" forever; a way to slow orstop aging. While its still nowhere to be found, we are makingprogress; in worms. Researchers found that an epilepsy drug used inhumans had the unexpected effect of prolonging the life span of C.Elegans: A class of anti-seizure medications slows th...

U of M researcher examines newly emerging deadly disease

...an attempt to minimize purpuric skin injury and to slow the inflammatory cascade before irreparable tissue injury occurs. In addition, because toxic shock syndrome is mediated by superantigens, it is possible that intravenous immunoglobulin therapy may be indicated. Of the five patients observed in the Mi...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

... provide improved functional vision or to at least slow down the progressive vision loss" says Dr. Schuchard, principal investigator for the project. "There are very few vision rehabilitative options for patients with retinal degenerative diseases, so the opportunity to be part of evaluating an experiment...

Yale Scientists Find MicroRNA Regulates Ras Cancer Gene

...ne therapy with let-7 may be a way to alleviate or slow it down." This work arose from Slack's basic research in the department of molecular, cellular and developmental biology on the nematode round worms, C. elegans. He found that these worms require let-7 RNA for normal development to occur. Without it...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...tion was likely either to fail or be significantly slow in reconstructing the T cell population. "This is the first demonstration that high levels of sjTREC in a potential stem cell recipient can predict that their thymus will successfully reconstitute their T cell population using donated stem cells," s...

Gene vaccine for Alzheimer's disease shows promising results

...the possibility of using aprotein-based vaccine to slow the progression of the disease in itsearly stages....s sinceno therapies have been clinically proven to slow or prevent progressionof the disease. Amyloid protein deposits are present in the early phaseof the ...

Scientists identify molecular events that drive cell senescence

...the possibility of using aprotein-based vaccine to slow the progression of the disease in itsearly stages....s sinceno therapies have been clinically proven to slow or prevent progressionof the disease. Amyloid protein deposits are present in the early phaseof the ...

The very unexpected life and death of a leukemic cell

...nant (leukemic). The progression of the disease is slow and there has been a lack of information regarding...he leukemia cells were both immortal and born at a slow rate, causing the slow rise in cell count over time. But researchers had been unable to find any pro...

TEL2 gene cooperates with MYC gene to provoke B-cell lymphomas

... the gene codes for. The gene TEL1, which works to slow cell growth and multiplication, is another member of the ETS family and is a known target of mutations in human leukemia. Grosveld's group previously identified TEL2 and noted its similarity to TEL1, which prompted them to investigate whether TEL2 al...

Scientists discover that host cell lipids facilitate bacterial movement

...or other agents that lower PIP2 and PIP3 levels to slow the spread of Listeria and control infection in patients who are not responding to antibiotics, although that application is a long way off, says Dr. Southwick. ...

World's largest rainforest drying experiment completes first phase

...ed to grow in the "control" forest plot. The trees slow down the amount of water that they lose from their leaves by closing their stomates. The trees adjust to the resulting reduction in photosynthesis by diverting less of the sugar and other carbohydrates that they make to wood production. This finding ...

Protein offers way to stop microscopic parasites in their tracks

...tein that could help them develop drugs to stop or slow cell invasion by malaria and other parasites known as apicomplexans. Results of the study will appear in the March 15 issue of Proceedings of the National Academy of Sciences. Scientists identified the new protein in the protozoan parasite Toxoplasm...

Wisconsin researchers identify sleep gene

...f you don't have potassium channels, you won't get slow waves," Cirelli says. "The cell membrane will rema... of genes and potassium channels. And we know that slow waves must be generated by changes in the excitability of neuron cell membranes," Cirelli says. "Po...

Reducing malarial transmission in Africa

...s, including drug combinations that will hopefully slow the development of resistance and minimize transmission of resistant parasites. In this month's premier open-access journal PLoS Medicine Colin Sutherland and colleagues from the London School of Hygiene and Tropical Medicine report the results of a...

New Drugs For Bad Bugs: UF Approach Could Bolster Antibiotic Arsenal

...g and testing new antibiotics can be a maddeningly slow and costly process ?if pharmaceutical companies even bother, says Hartmut Derendorf, chairman of the department of pharmaceutics at the University of Florida College of Pharmacy. Many would rather invest in compounds aimed at patients with chronic co...

After a time-shift, mixed signals from the circadian clock

...ited oscillations in activity that corresponded to slow resetting of the clock in response to the shifted light schedule, while another part of the clock, represented by a ventral (lower) group of cells, exhibited a distinct pattern of activity that corresponded to fast resetting of the clock. Perhaps co...

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