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Tag: "human" at biology news

Mine runoff continues to provide clues to microbial diversification

...lated organisms and should lead to developments in human health and bioremediation.? The combination of m...is also might have implications into helping study human proteomics because not everyone’s individual genome will be sequenced.? The pink microbial biofilm...

Researchers identify gene involved in dog size

...ibility in dogs helps us understand some aspect of human health and biology.? In addition to Ostrander an... sequence allows researchers to better compare the human and dog genomes and narrow their search for genetic contributors to cancer and other major diseases....

Major gene study uncovers secrets of leukemia

...l variations in the DNA that are spaced across the human chromosomes. Single nucleotide polymorphisms function as flags for researchers, allowing them to detect specific deletions of DNA in a gene or increases in the number of specific genes at a level of detail that was previously unattainable. The St. Ju...

Penn researchers show how nanocylinders deliver medicine better than nanospheres

...ers to deliver the anticancer drug paclitaxel to a human lung tumor tissue implanted in mice. The cylinders have diameters as small as 20 nm and lengths approaching the size of blood cells. The paclitaxel shrunk the tumors and, because the cylinders remained in circulation for up to one week after injectio...

Human's ecological footprint in 2015 and Amazonia revealed

A recent study shows human population size and affluence are the main drivers...on the environment in a recent study, "Driving the human ecological footprint," published in the February issue of Frontiers in Ecology and the Environment. ...

Need oxygen? Cells know how to spend and save

... To test the idea, the team compared the growth of human cells in normal oxygen conditions (what's generall...enzyme to specifically chew up COX4-1. Engineering human cells to lack this enzyme and subjecting them to low oxygen, the scientists found the cells unable t...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

...laims there is “no reason to believe there are any human health hazards?associated with the use of roxarsone. ...

Scripps research study shows humans and plants share common regulatory pathway

... in plants. "The NLR family has clear links to human disease," Ulevitch said. "Out of the more than 20 ... dependent immunity in plants to better understand human NLR pathways, especially those dependent on Nod1. ...

New compound prevents alcoholic behavior, relapse in animals by blocking stress response

...ty of a compound that potentially could be used in human subjects," says George Koob, PhD, of the Scripps Research Institute. "It moves the field over another translational barrier, closer to the day when the dark side of addiction is treated." The new findings build on previous work showing the effect...

Nanotextured implant materials: blending in, not fighting back

...s are constantly coming up with ways to repair the human body, replacing defective and worn out parts with plastic, titanium, and ceramic substitutes ?but the body does not always accept such substitutes seamlessly. Engineers from Brown and Purdue universities have found that simply changing the surface te...

Veterinary scientists explore poultry virus as cancer killer

...t of Avian Newcastle disease virus (NDV) can treat human prostate cancer. Dr. Elankurmaran Subbiah, assistant professor in the Department of Biomedical Sciences and Pathobiology, was awarded a prestigious research grant by the Department of Defense. This “Congressionally Directed Medical Research Progra...

Individual differences in a clock gene predict decline of performance during sleep deprivation

... are two variants of the PERIOD3 gene found in the human population, encoding either long or short versions...dings highlight a possible role for clock genes in human sleep physiology and structure, and the influence these genes might have on performance by unrested ...

Imaging pinpoints brain regions that 'see the future'

... of Sciences, the study sheds new light on how the human mind relies on the vivid recollection of past experiences to prepare itself for future challenges, suggesting that envisioning the future may be a critical prerequisite for many higher-level planning processes. Other study co-authors are Jason M. ...

New details on how the immune system recognizes influenza

...epitopes are between different strains of bird and human influenza viruses. Knowing this is important becau... including those between avian H5N1 and strains of human influenza viruses. But what is less clear from the analysis is how cross-reactive an immune response...

Woven scaffolds could improve cartilage repair

...and combining it with living cells, we can build a human tissue that can be integrated rapidly into the body, representing a new approach in the field of tissue engineering," Moutos said. "Once implanted, the cartilage cells will grow throughout the scaffold, and over time the scaffold will slowly disso...

'Guardian of the genome' protein found to underlie skin tanning

...itional evidence came when the researchers exposed human and mouse keratinocytes to UV radiation: After six hours, levels of both POMC and p53 were far higher than normal, and the level of pigment-stimulating alpha-MSH was 30 times above normal. Further experiments clinched the case for p53's role in ta...

Horse genome assembled

...embly in public databases. Comparing the horse and human genomes will help medical researchers learn more about the human genome and will also serve as a tool for veterinary researchers to better understand the diseases th...

LIAI completes world's most comprehensive analysis on influenza virus data

...ch community will pursue data directly relevant to human immunity to influenza virus to close those critical gaps." Regarding the dreaded H5N1 avian flu specifically, the information showed some important H5N1 epitopes currently being investigated. However, the number represented only a few of the 600...

RNA splicing factor implicated in ovarian tumor cell growth

...riments. "In a previous study, we observed that human ovarian tumors overexpressed polypyrimidine tract-...RNA splicing have been shown to cause a variety of human diseases. Evidence suggests that altered splicing is associated with and possibly involved in tumor ...

Tracking sperm whales and jumbo squid

... carry electronic tags." Added Gilly: "Although human observers at the surface of the sea must still infer what the mysterious squid and the leviathan are doing at great depths, the use of modern electronic tagging methods will surely guide those inferences, leading to insights that even Melville might ...

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