Thursday, 18 March 2010 r.
Science
Dogs likely originated in the Middle East, new genetic data indicate

18.03.2010 16:00   0 views   0 comments
Tags: East, Does, Asian, Middle, Middle East

Źródło: www.melophobe.comDogs likely originated in the Middle East, a new genetic analysis by an international team of scientists indicates. Previous genetic research suggested an East Asian origin for dogs. Read more »

Genes linked to ulcerative colitis identified

18.03.2010 16:00   0 views   0 comments


Źródło: repairstemcell.wordpress.comA study of the human genome has now identified genes linked to ulcerative colitis, offering clues as to what causes the condition and potential avenues for new therapies to treat the disease. Read more »

Chemists influence stem-cell development with geometry

18.03.2010 16:00   0 views   0 comments
Tags: Scientists

Źródło: www.nashvillejazz.orgScientists have successfully used geometrically patterned surfaces to influence the development of stem cells. The new approach is a departure from that of many stem-cell biologists, who focus instead on uncovering the role of proteins in controlling the fate of stem cells. Read more »

Obesity and passive smoking reduce oxygen supply to unborn baby

18.03.2010 16:00   0 views   0 comments
Tags: This

Źródło: indignet.wordpress.comBabies born to mothers with obesity and exposed to passive smoking are more likely to have health problems than others. This conclusion is based on evidence of elevated levels of nucleated red blood cells in the umbilical cord. Read more »

High Arctic species on thin ice

18.03.2010 16:00   0 views   0 comments
Tags: Hits

Źródło: www.dailymail.co.ukA new assessment of the Arctic's biodiversity reports a 26 percent decline in species populations in the high Arctic. Read more »

Smoking, but not past alcohol abuse, may impair mental function, study suggests

18.03.2010 16:00   0 views   0 comments


Źródło: www.gearfuse.comMen and women with a history of alcohol abuse may not see long-term negative effects on their memory and thinking, but female smokers do, a new study suggests. Read more »

Fast growing primitive black holes discovered

18.03.2010 13:00   0 views   0 comments
Tags: Face

Źródło: www.vo2ov.comThe most distant quasars found in the early universe, a mere 800 million years after the Big Bang, have been observed by astronomers. Read more »

Potent radiation treatment provides tumor control for patients with inoperable lung cancer

18.03.2010 13:00   0 views   0 comments
Tags: Early

Źródło: www.cardcow.comEarly findings suggest a radiation therapy that involves numerous highly-focused and potent radiation beams provides targeted tumor control in nearly all patients, reduces treatment-related illness, and may ultimately improve survival for patients with inoperable non-small cell lung cancer, according to a new study. Read more »

Prescribed burns may help reduce US carbon footprint

18.03.2010 13:00   0 views   0 comments
Tags: United, States, United States, Western

Źródło: www.fire.uni-freiburg.deThe use of prescribed burns to manage Western forests may help the United States reduce its carbon footprint. A new study finds that such burns, often used by forest managers to reduce underbrush and protect bigger trees, release substantially less carbon dioxide emissions than wildfires of the same size. Read more »

Anti-obesity drugs unlikely to provide lasting benefit, according to scientists

18.03.2010 13:00   0 views   0 comments
Tags: Scientists

Źródło: taranabant.netScientists argue that anti-obesity drugs fail to provide lasting benefits for health and well-being because they tackle the biological consequences of obesity, and not the important psychological causes of over-consumption and weight gain. Read more »

Computer scientists create a multilingual search engine

18.03.2010 13:00   0 views   0 comments
Tags: Researchers

Źródło: www.cs.indiana.eduResearchers have developed a multilingual search engine to query a contents repository written in Interlingua using questions formulated in any language. The search engine returns a precise answer in the language in which the question was formulated. Read more »

Media reports may paint overly optimistic view of cancer

18.03.2010 13:00   0 views   0 comments
Tags: Media

Źródło: mitocw.vocw.edu.vnNewspaper and magazine reports about cancer appear more likely to discuss aggressive treatment and survival than death, treatment failure or adverse events, and almost none mention end-of-life palliative or hospice care, according to a report. Read more »

Significant amount of inappropriate CT and MRI referrals from primary care physicians, study finds

18.03.2010 10:00   0 views   0 comments


Źródło: www.indieproducer.netA large academic medical center has found that a significant percentage of outpatient referrals they receive from primary care physicians for computed tomography and magnetic resonance imaging studies are inappropriate (based upon evidence-based appropriateness criteria developed by a radiology benefits management company), according to a new study. Read more »

Drug dramatically reduces nausea and vomiting in bone marrow transplant patients

18.03.2010 7:00   0 views   0 comments
Tags: Boot, Drew, Boot, Drew

Źródło: www.softchalk.comBone marrow transplant patients say two of the most debilitating side effects of the treatment are nausea and vomiting caused by chemotherapy and radiation. But a new study has found the drug aprepitant can dramatically reduce both nausea and vomiting when combined with other anti-nausea drugs. Read more »

Newer cornea transplant surgery shows short- and long-term promise

18.03.2010 4:00   0 views   0 comments


One year post-surgery, patients who underwent Descemet's stripping automated endothelial keratoplasty (DSAEK) experienced greater cell loss overall compared to those who underwent penetrating keratoplasty (PKP), according to a new analysis of data. However, the study showed that cell loss in DSAEK patients plateaued more quickly than in those who underwent PKP. Read more »

Cells of aggressive leukemia hijack normal protein to grow

18.03.2010 4:00   0 views   0 comments
Tags: Researchers

Źródło: www.cellsalive.comResearchers have found that one particularly aggressive type of blood cancer, mixed lineage leukemia, has an unusual way to keep the molecular motors running. The cancer cells rely on the normal version of an associated protein to stay alive. Read more »

If you take simvastatin to control cholesterol, watch out for infection, says new report

18.03.2010 4:00   0 views   0 comments
Tags: Scientists, First, This, First

Źródło: xkcd.comSimvastatin might help us control our cholesterol, but when it comes to infection, it's an entirely different story says a new research study. Scientists have shown that simvastatin delivers a one-two punch to the immune system. First it impairs the ability of specialized immune cells, called macrophages, to kill pathogens. Then, it enhances production of molecules, called cytokines, which trigger and sustain inflammation. Read more »

How can accidental captures of loggerhead turtles be reduced?

18.03.2010 4:00   0 views   0 comments
Tags: Scientists

Źródło: spacecollective.orgScientists have studied interactions between the loggerhead turtle (Caretta caretta) and fishing gear such as longline hooks used at the water surface, mass beachings, and the effects of climate change on these animals. In order to reduce captures of this marine species without causing economic losses for fishermen, the scientists are proposing that fishing in the summer should only be carried out by night and in areas more than 35 nautical miles from land. Read more »

'Smart Hip' monitors real-time performance of bone implants, stimulates bone growth

18.03.2010 1:00   0 views   0 comments
Tags: Small, Small

Źródło: www.vopenhouse.caTo monitor the real-time performance of bone implants is the challenge of "Smart Hip," an innovative medical device that aims to reduce the number of surgical interventions in the hip area and regenerate bone tissue by using non-evasive methods. The device -- developed by an engineering doctoral student in Portugal -- has already been successfully tested on animals. Read more »

Ghrelin mitigates liver fibrosis in animal models; regulates human fibrosis

18.03.2010 1:00   0 views   0 comments
Tags: Spanish, Research, Research

Źródło: www.nature.comSpanish researchers determined that rats treated with recombinant ghrelin displayed a reduction in liver fibrosis. Ghrelin, a stomach hormone, reduced the amount of fibrogenic cells by 25 percent in the treated rodents. Research further showed ghrelin prevented acute liver damage and reduced oxidative stress and inflammation in the animal models. Read more »

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