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Tag: "levels" at biology news

ORNL, UC Berkeley unravel real-world clues to Earth's mysteries

... is considered neutral and most proteins prefer pH levels between 5 and 7. The water trickling from the mine has a pH of about 0.8 and a temperature of 107 degrees Fahrenheit. "This microbial community is thriving at the extreme edge," said Bob Hettich, a co-author and member of ORNL's Chemical Sciences Di...

Arthritis: What Wnt wrong?

...primary RA cells produced TNF-a, IL-1ß and IL-6 at levels 2- to 4-fold above controls. Importantly, this effect could be replicated in normal cells when they were engineered to express Wnt-7b, demonstrating the importance of Wnt-7b in the inflammatory response of RA. The above findings identify a role for ...

Scientists discover the body's marijuana-like compounds are crucial for stress-induced pain relief

...compounds. "If we design chemicals that tweak the levels of these transmitter substances in the brain," said Piomelli, "we might be able to boost their normal effects." When rats used in Hohmann's study were given the compound developed by Piomelli and his collaborators at the University of Urbino Carlo B...

Deep sea algae connect ancient climate, carbon dioxide and vegetation

...decrease and then stabilization to near modern day levels between 34 - 25 million years ago. During the ear... reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the shar...

Invasive parasite destroying fish species

...decrease and then stabilization to near modern day levels between 34 - 25 million years ago. During the ear... reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the shar...

First production of human monoclonal antibodies in chicken eggs published in Nature Biotechnology

...ially any size and complexity while achieving high levels of protein expression. Moreover, it is the only technology to date that restricts deposition of the therapeutic protein to egg white." "Monoclonal antibodies have demonstrated great success as human therapeutics, with over 25 approved for human ther...

Stem cells grown in lab mirror normal developmental steps

...decrease and then stabilization to near modern day levels between 34 - 25 million years ago. During the ear... reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the shar...

Understanding biases in epidemic models important when making public health predictions

...isk making overly optimistic predictions about the levels of public health interventions needed to bring a d...f an infection could lead to predicting inadequate levels of disease management, such as contact tracing and quarantining of those exposed. However, Wearing w...

Newly discovered genetic disease sheds light on body's water balance

...in water. Neither patient was producing measurable levels of vasopressin, yet the V2 receptor on cells in th...iagnosis of NSIAD as an explanation for low sodium levels in their pediatric patients." MEDICAL MYSTERY The discovery of NSIAD began in 2003 after two unrel...

Inhaling large amounts of salt can cause hypertension

...isk making overly optimistic predictions about the levels of public health interventions needed to bring a d...f an infection could lead to predicting inadequate levels of disease management, such as contact tracing and quarantining of those exposed. However, Wearing w...

Field of beams - Novel system uses polarized light pulses to reveal crop health

...isk making overly optimistic predictions about the levels of public health interventions needed to bring a d...f an infection could lead to predicting inadequate levels of disease management, such as contact tracing and quarantining of those exposed. However, Wearing w...

Purdue scientists may have found key to halting spinal cord damage

...d acrolein, a known carcinogen, is present at high levels in spinal tissue for several days after a traumati...unctionality. "What our group did was measure the levels of acrolein in the injured spines of 25 guinea pigs for several days following an injury," Shi said....

Novel compounds show promise as safer, more potent insecticides

... regulate muscle and nerve activities by modifying levels of internal calcium in these cells. These receptors exist in both mammals and insects but have distinct differences. Researchers have known that ryanodine itself has insecticidal properties, but no synthetic molecules had previously been identified t...

Using computers and DNA to count bacteria

...ers of magnitude. When we examined the populations levels in metal-contaminated soil, we found the bacterial genetic diversity was reduced more than 99.9 percent," lead author Gans added. The Los Alamos team used a technique known as DNA re-association, separating the two strands of all the bacterial DNA i...

The genetic origins of corn on the cob

...of ramosa1 gene activity, and that these different levels of activity have a big impact on the architecture of the plants," says Dr. Robert Martienssen of Cold Spring Harbor Laboratory, who led the study. "The ramosa1 gene appears to be a key player in the domestication of corn, and we've shown that it acts...

$6.5 Million Grant for Microarray Center at Yale School of Medicine

...of ramosa1 gene activity, and that these different levels of activity have a big impact on the architecture of the plants," says Dr. Robert Martienssen of Cold Spring Harbor Laboratory, who led the study. "The ramosa1 gene appears to be a key player in the domestication of corn, and we've shown that it acts...

Comparison of Cocaine, Methamphetamine ‘Highs?Finds Differences

...ers of magnitude. When we examined the populations levels in metal-contaminated soil, we found the bacterial genetic diversity was reduced more than 99.9 percent," lead author Gans added. The Los Alamos team used a technique known as DNA re-association, separating the two strands of all the bacterial DNA i...

Fluorescing lab worms signal longer life spans

...out three days for those with the lowest expressed levels of fluorescent protein. The brightest worms also h...ith a laser scanner to swiftly detect fluorescence levels in the nematodes and a pneumatic device that separates them into groups with short pulses of air was...

Scientists find microRNAs regulate plant development

...y the main metabolic functions in a cell. The mRNA levels in a cell are fine tuned by different mechanisms, ...d increased accumulation of ARF17 mRNA and altered levels of mRNAs corresponding to several genes that may be regulated by ARF17. These changes were correlate...

Discoveries by UAB and Florida scientists may help transplanted organs survive longer

...to deliver IL-10 into the body, allowing sustained levels of the molecule to be persistently secreted into the blood stream. The next step will be to evaluate the treatment to try to protect kidney transplants in non-human primates ?and if successful there, go on to clinical trials in humans, said Agarwal....

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