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Tag: "red" at biology news

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...st applications for it." Resveratrol is found in red wines and produced by a variety of plants when put under stress. It was first discovered to have an anti-aging properties by Sinclair, other HMS researchers, and their colleagues in 2003 and reported in Nature. The 2003 study showed that yeast treat...

Light wine intake is associated with longer life expectancy in men

...atelet aggregation," Streppel said. Furthermore, red wine consumption may have an additional health benefit because the polyphenolic compounds contained in wine have been seen in animal to interfere with the formation, progression and rupture of atherosclerotic plaques ?the build-up of fatty tissue in ...

New imaging technique tracks traffic patterns of white blood cells

...disorder that affects hemoglobin, a protein inside red blood cells that help carry oxygen throughout the body. Abnormal hemoglobin polymerizes, and red blood cells become sickle-shaped. Sickle-shaped red blood cells then clog blood vessels by sticking ...

Human preference for other species could determine whether they survive

...e effect to that of a man in a tuxedo pinning on a red carnation. Unlike some other types of animals, human preference for particular penguin species does not seem to be driven by a "cuteness" factor. The four books Stokes examined were published in the last decade and were aimed at the popular adult...

Unique tomatoes tops in disease-fighting antioxidants

Deep red tomatoes get their rich color from lycopene, a dis...form of lycopene in participants' blood. "While red tomatoes contain far more lycopene than orange tomatoes, most of it is in a form that the body doesn...

Scientists identify a candidate gene for osteoporosis

...ericans generally do not have the Duffy protein on red blood cells, while Caucasians do. The potential genetic association between DARC gene variation and these traits in humans certainly makes it worthy of further investigation." ...

The influence of the menstrual cycle on the female brain

...e higher the T values, the more the colors go from red to yellow, and the "statistically" higher the brain activity.) Estrogens and progesterone are not just sex hormones that influence ovulation and reproduction; they also affect a large number of cognitive and affective functions. These two obse...

Organic is healthier: Kiwis prove that green is good

...els of polyphenols, the healthy compounds found in red wine and coloured berries. They also had a higher overall antioxidant activity, as well as higher levels of ascorbic acid (vitamin C) and important minerals compared with their conventionally grown counterparts (Journal of the Science of Food and Agr...

Chimpanzees found to use tools to hunt mammalian prey

...es to consume prosimian prey—in other study sites, red colobus monkeys, hunted mainly by males, are the c... mosaic savannah that is relatively dry, and where red colobus monkeys are absent. This habitat may promote efforts—such as the observed tool use—to obtain...

Boosting brain power -- with chocolate

...?they are also present in other substances such as red wine, green tea and blueberries. He presented his research at the annual meeting of the American Association for the Advancement of Science (AAAS), one of the biggest annual gatherings of scientists from all over the world. This year's meeting tak...

A healthier start to a pig's life

...has been found by using a lectin obtained from the red kidney bean plant. Lectins are proteins with the ability to bind cells together; typically red blood cells. The EUREKA Healthy Weaning project coordinator, Professor Stefan Pierzynowski of Lund U...

Making mice with enhanced color vision

...ght absorb green light only half as efficiently as red light. If an animal had only this type of photore..., then a green light that was twice as bright as a red light would look identical to the red one. But if the animal adds a second photoreceptor with diffe...

Researchers discover surprising drug that blocks malaria

...ers have discovered how malaria parasites persuade red blood cells to engulf them -- and how to block the...ing parasites. The malaria marauders hack into the red cell's signaling system and steal the molecular equivalent of its password to spring open the door t...

Einstein's tea leaves inspire new blood separation technique

...ttp://bmf.aip.org). Separating blood plasma from red blood cells, proteins and other microscopic partic...tuitively expect the microscopic particles such as red blood cells would be pulled to the outside wall of the chamber owing to centrifugal force. But becau...

Notorious cancer gene may work by destroying messenger

... role in Cooley's anemia, which causes the loss of red blood cells in infants and children. For the present study, Schoenberg and coauthor Yong Peng, a research associate in Schoenberg's laboratory, wanted to learn how PMR1 is activated to attach to mRNAs. They found that activation occurs when P...

A case of mistaken identity for the ivory-billed woodpecker?

...emed impossible that a crow-sized black, white and red bird should have eluded the nation's ornithologists, hunters and conservationists in heavily populated South-eastern USA for so long." However, the original video published in Science catalysed conservation efforts in SE USA's bottomland swamp forest...

DNA ends: Common tool, different job

...PA complex acts elsewhere in the genome to raise a red flag to attract the attention of the repair machinery," says Lundblad, "curiously, the t-RPA complex performs the exact opposite function at chromosome ends, ensuring that these tips do not become targets for DNA repair." ...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...d begins to ingest the cells, as well as white and red blood cells, causing direct damage to the urinary and vaginal tissues and resulting in inflammation. T. vaginalis also consumes bacteria that may be present in the urinary and genital areas, including the bacteria necessary for maintaining a normal h...

Putting an old drug to a new use

...n humans. Our body needs most of its iron to make red blood cells. A lack of the metal can lead to dangerous anemias, but also too much iron can be detrimental as iron promotes the formation of toxic radicals leading to tissue damage. Iron overload is the consequence of one of the most common genetic di...

Wheat can fatally starve insect predators

... leaves. After the eggs hatch, the resulting tiny, red larvae crawl down to the base of the wheat where they feed on the plant. If the plant isn't resistant to the insect, the larvae inject chemicals from their saliva into the plant that completely alter the wheat's physiology and growth. ...

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