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Tag: "blood" at biology news

Candida albicans Genome Fully Annotated

...w, where some remain while others circulate in the blood stream. Their main function is to produce all of t...eoli ?tiny hollow sacs along the airways where the blood takes in oxygen and discards carbon dioxide. The processes by which alveoli recover from damage are...

Fat's fate depends on its source

...f gene activity in the liver necessary for healthy blood levels of sugar, cholesterol, and other fats, acco...iet completely lacking fat, the mice developed low blood sugar and fatty liver. Both conditions were reversed when the researchers restored fat to the animal...

Newest HIV drugs should be used with FUZEON(R)

...year old person living with HIV from London, whose blood levels of HIV reached undetectable within six months of taking FUZEON and boosted tipranavir and has remained undetectable ever since, explains "This new combination of treatments has really improved my quality of life. Getting back to undetectable a...

Recombinant DNA technology may enable oral, rather than injectable, delivery of protein drugs

...ells and be transported across the GI tract to the blood stream," Shen says. "Humans naturally produce transferrin to move iron through the blood to the liver, spleen and bone marrow. It has been used to carry some protein-based drugs in a piggy-...

Stem cell therapy successfully treats heart attack in animals

...has been infarcted, or destroyed, after losing its blood supply," says cardiologist Joshua Hare, M.D., professor of medicine at The Johns Hopkins University School of Medicine and its Heart Institute, and senior author of the study and lead trial investigator. "There is reason for optimism about these fin...

Improved statistical tools reveal many linked loci

...ocation contributes to the observed trait, such as blood pressure or cell growth. The new statistical method bypasses the previously overwhelming computations needed to puzzle together the myriad elements that influence gene expression throughout an entire genome. And unlike earlier approaches to understa...

Morphine for Chest Pain Increases Death Risk

...lso known as unstable angina. It works by relaxing blood vessels and allowing blood flow to increase. "Nitroglycerin has a physiological effect that may, at least temporarily, influen...

Any exposure to tobacco smoke during pregnancy is risky

... the HPRT gene located on the X chromosome in cord blood samples from newborns. Dr. Grant's analysis pooled the studies' data, looking for frequency of induced mutation as well as the resulting molecular spectrum of mutations. In particular, the new analysis redefines the "non-smokers" used as controls to ...

Diabetic nerve therapy shows 'striking' results

... a condition in which the amount of glucose in the blood is too high, is increasing dramatically, with the World Health Organisation estimating that some 300 million people worldwide could be affected by 2025. The causes of diabetic neuropathy are not fully understood but researchers investigating the eff...

Researchers grow stem cells from human skin

...have been identified in bone marrow, the brain and blood from the umbilical cord. "Compared to bone marrow, a skin biopsy is easy to take, so it offers advantages for clinical use," said Soker. "The cells can be obtained from any small sample of human skin." Next, Atala's research team hopes to test the ...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

...pe populations. Ebola spreads through contact with blood and other body fluids, putting bushmeat hunters and others who might handle carcasses of infected animals at risk. "If we find ways to protect apes from the Ebola virus, we also will protect humans," the action plan concludes. The action plan desig...

Scientists reveal how disease bacterium survives inside immune system cell

...ened scientists' belief that these plentiful white blood cells, known as neutrophils, dictate whether our i... Scientists analyzed how neutrophils from healthy blood donors respond to Anaplasma phagocytophilum, a tick-borne bacterium that causes granulocytic anaplas...

Modified collagen could yield important medical applications

... the lab to help control the formation of tiny new blood vessels that can be used to promote the integratio...uman body's most common protein. Collagen promotes blood clotting and provides the sponge-like scaffold upon which cells build nerves, bones and skin. Becaus...

Unusual antibiotics show promise against deadly 'superbugs'

... the lab to help control the formation of tiny new blood vessels that can be used to promote the integratio...uman body's most common protein. Collagen promotes blood clotting and provides the sponge-like scaffold upon which cells build nerves, bones and skin. Becaus...

Scripps research scientists solve structure of a critical innate immune system protein

...e starting with the unleashing of an army of white blood cells, like macrophages, which engulf and destroy pathogens. The macrophages also fight the pathogens by producing large amounts of chemicals that induce inflammation and help the body clear the infection. One of the components of the innate immune ...

Biologists determine genetic blueprint of social amoeba

.... It also exhibits many of the properties of white blood cells. Three years ago, another team of UCSD biol...to food sources are also used to guide human white blood cells to the sites of infections and play a role in the spread of cancer. (see: http://ucsdnews.ucsd...

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

...taining water, and the excess fluids were diluting blood sodium levels. The usual diagnosis for this condi...F team. Next Gitelman, Rosenthal and Feldman took blood samples from each baby boy and his mother to search for the cause of the unique disorder. They learn...

Bees, Brains and Addiction

...ctional magnetic resonance imaging, which measures blood flow to reveal which regions of the brain are active, researchers in his laboratory have discovered that our brains process information about rewards differently if a reward is granted immediately for a simple behavior or if a person must work to rec...

A virus-like hitchhiker may trigger bacterial meningitis

...e' strains -- occasionally find their way into the blood stream and then into the brain, where they trigger a potentially fatal immune response (meningitis). Tinsley and colleagues have now discovered that many hyperinvasive stains of N. meningitidis contain a bacteriophage (a virus-like organism that inf...

Novel plague virulence factor identified

...as, which spread the infection as they feed on the blood of mammals. There are different forms of plague in humans -- bubonic, pneumonic and septicemic -- depending on site of infection; and infections in humans are highly lethal if not immediately treated. "Dr Aballay has developed a new model for dissec...

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