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Tag: "poor" at biology news

NSAID drug protects against intestinal tumors in mice, despite poor diet and gene losses

...t both a lack of tumor suppressor genes as well as poor diet," says the lead author, WanCai Yang, M.D., an assistant professor of medicine. While the drug is a NSAID (non-steroidal anti-inflammatory drug) and a COX-2 inhibitor, Yang believes its chemoprotective effects come via novel pathways that affect ...

Radio-tracking associated with 'dramatic shift' in water vole sex ratio

...thesis, which predicts that mothers with access to poor resources will produce offspring of the sex most likely to disperse and therefore reduce local competition for resources. "Radio-collars clearly have the potential to cause some stress to water voles, and it is possible that this might stimulate sex...

Insects, viruses could hold key for better human teamwork in disasters

...as well as withstand unresponsive participants and poor communication channels. "This behavior is very similar to how rumors or fads spread in society and viruses spread in populations, both rather reliably and rapidly." Understanding insects' collaborative behavior also will help in the development of ...

A hope for oil spill bioremediation

...ved CO2. The sampling area is an energetic system poor in organic mater. Consequently, the anomalous DIC isotopic composition of certain samples taken along the shore of a contaminated island in the Cíes archipelago showed degradation of a depleted 13C source such as the Prestige crude oil, pointing out ...

Embryonic Stem Cells Treated With Growth Factor Reverse Hemophilia In Mice: UNC Researchers

...ne study authors reported. These problems include poor engraftment, limited function, rejection of engrafted cells by the immune system and teratomas, tumors involving a mixture of tissue not normally found at that site. The new study used a line of mouse ES cells developed in the laboratory of senior c...

Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development

...ived months with your newborn were tough, pity the poor mother dolphin or killer whale. Reporting in the June 30 edition of the peer-reviewed journal Nature, UCLA/Veterans Affairs neuroscientists report a developmental pattern in bottlenose dolphins and killer whales that is unique from other mammals, wi...

UN: World in big ecological mess

...verty by 2015. In sub-Saharan Africa the number of poor is forecast to rise to 404 million in a decade from 315 million in 1999. The report was launched simultaneously at several UN headquarters around the world. "The challenge of ensuring the future of our environment is pressing and concerns us all, wh...

New defibrillator signals doctor of patient's irregular heartbeat or device malfunction

...cause patients' heart muscle pumping action can be poor as a result of the heart attack, it is important to monitor heart activity. Now it can be done 24-hours-a-day, seven-days-a-week. Varma implanted the device into a Loyola patient on Friday, August 26, 2005. Loyola University Health System's heart ...

Millennium Ecosystem Assessment: Many of 2 billion dryland dwellers at risk as land degrades

...dwide threatens to swell by millions the number of poor forced to seek new homes and livelihoods. And a rising number of large, intense dust storms plaguing many areas menace the health of people even continents away, international experts warn in a new report. Thick storms rising out of the Gobi Desert ...

Investigating 'brain shrinkage' in alcoholics

... Research on malnutrition, a common consequence of poor dietary habits in some alcoholics, indicates that ...sses become impaired and can further contribute to poor decisions and excessive drinking. With prolonged bouts of drinking, dependence may ensue along with ...

Crisis in African fish supplies looms, experts warn Africa leaders

...els Calling fisheries critical for nourishing the poor and for helping Africa cope with the health, econo...re fish supply to the estimated 200 million mainly poor people relying on fish as a main part of their diet. Also at stake are the livelihoods of more than ...

Chemical 'band-aid' prevents heart failure in mice with muscular dystrophy

...gh. That can be true, but another major problem is poor function during the relaxation phase when the heart fills with incoming blood. In our study, we found that cardiac myocytes in dystrophin-deficient mice don't relax and lengthen as readily as cardiac myocytes in normal mice. They are stiffer than nor...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...els Calling fisheries critical for nourishing the poor and for helping Africa cope with the health, econo...re fish supply to the estimated 200 million mainly poor people relying on fish as a main part of their diet. Also at stake are the livelihoods of more than ...

South Africa still debating how to tackle HIV/AIDS when 5 million are infected

...lth, as communities are confused and in particular poor communities. Mark Nelson, director of HIV services at the Imperial College School of Medicine in the UK said that tackling AIDS without the use of ARVs was "a no-brainer", and it was important to give people the belief that these drugs work because ...

A vaccine to kill tapeworm

...r pigs could help save the 50,000 people a year in poor countries killed by a gruesome parasite. Initial trials suggest it is nearly 100 per cent effective. The vaccine, developed by a team at the University of Melbourne, Australia, targets a tapeworm called Taenia solium. The adult form, caught from eat...

Opiates Better Than Sedatives For Treating Newborns In Withdrawal

...onatal abstinence syndrome (NAS) exhibit seizures, poor feeding, diarrhea and vomiting that lead to excessive weight loss and dehydration, sleeping problems and fever. Disruption in the mother-child bonding process has also been reported, and there is an increased risk of sudden infant death syndrome. In...

Researchers discover new route to hemoglobin synthesis

...onatal abstinence syndrome (NAS) exhibit seizures, poor feeding, diarrhea and vomiting that lead to excessive weight loss and dehydration, sleeping problems and fever. Disruption in the mother-child bonding process has also been reported, and there is an increased risk of sudden infant death syndrome. In...

Gene for immune deficiency syndromes found

...ave normal IgA and IgG levels, yet they still have poor antibody responses and get the same bacteria and viruses again and again." The gene discovery will immediately not change therapy, Geha adds. "For the time being, it's prophylactic antibiotics or IV immunoglobulin infusions every three weeks," he sa...

Protein amplification in melanoma is possible drug target

...ave normal IgA and IgG levels, yet they still have poor antibody responses and get the same bacteria and viruses again and again." The gene discovery will immediately not change therapy, Geha adds. "For the time being, it's prophylactic antibiotics or IV immunoglobulin infusions every three weeks," he sa...

Variant prion protein causes infection but no symptoms

...ible signs of infection: twitching, emaciation and poor coordination. In contrast, the scientists observed 128 transgenic mice--those engineered to produce prion protein without a glycophosphoinositol (GPI) cell membrane anchor--for 500 to 600 days and saw no signs of scrapie disease. Subsequent electron ...

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