Ancient Trees Grow Faster as Temperatures Rise Nov 17, 2009
Salzer, Hughes and their co-authors Andrew G. Bunn of Western Washington University in Bellingham and Kurt F. Kipfmueller of the University of Minnesota in Minneapolis will publish their paper in an upcoming issue of the Proceedings of the National Academy of Sciences ... Proceedings of the National Academy of Sciences, 2009; DOI. (Science Daily)
Immunity to Swine Flu May Be Broader Than Thought Nov 17, 2009
The research, published in this week's Proceedings of the National Academy of Sciences, helps in understanding why the swine flu pandemic is not as deadly as was originally feared, Sette said. "We provide an explanation for observations that the disease severity is not greater," he said. (Atlanta Journal-Constitution -- Health)
Analyzing structural brain changes in Alzheimer's disease Nov 17, 2009
The study will be published the week of November 16 in the Proceedings of the National Academy of Sciences (PNAS). By applying the techniques to the newly completed dataset of the multi-institution Alzheimer's Disease Neuroimaging Initiative (ADNI), the scientists demonstrated that such sub-regional brain volume measurements outperform available measures for tracking severity of Alzheimer's disease, including widely used cognitive testing and measures of global brain-volume loss. (EurekAlert!)
Common cold may explain HIV vaccine trial’s failure Nov 17, 2009
The conclusion comes from researchers reporting in today s edition of Proceedings of the National Academy of Sciences. The test vaccine itself did not spread the illness, the team of researchers said. (Boston Globe)
Bad Mood May Make Pain Worse Nov 17, 2009
The findings were published in this week's issue of the Proceedings of the National Academy of Sciences. SOURCE: University of Montreal, news release, Nov. 10, 2009. (MEDLINEplus)
Empathy in Your Genes? Nov 17, 2009
Sarina Rodrigues, an assistant professor of psychology at Oregon State University, and Laura Saslow, a graduate student at the University of California, Berkeley, published their findings in the current issue of the Proceedings of the National Academy of Sciences (PNAS). Rodrigues said oxytocin has already been significantly linked with social affiliation and reduction in stress. (Science Daily)
Cold virus may have foiled HIV vaccine test Nov 17, 2009
The conclusion comes from researchers reporting in Tuesday's edition of Proceedings of the National Academy of Sciences ... "Our research would suggest a cautious approach for the future development of adenovirus vector vaccines for use in areas of high HIV prevalence, or in individuals whose lifestyles meant that they were at higher risk of HIV infection," said Steven Patterson, lead author of the study appearing in Tuesday's edition of Proceedings of the National Academy of Sciences. (MSNBC -- Health)
Immune system of healthy adults may be better prepared than expected to fight 2009 H1N1 influenza Nov 17, 2009
Proceedings of National Academy of Sciences. DOI: 10. (EurekAlert!)
Mutant genes 'key to long life' Nov 15, 2009
Writing in the Proceedings of the National Academy of Sciences, the team say they studied the Ashkenazi Jewish community because they are closely related so it is easier to identify disease causing genetic differences. They took blood samples from 86 very old, but generally healthy, people with an average age of 97; 175 of their offspring; and 93 other people who were the offspring of parents who had lived a normal lifespan and could therefore make up a control group, with which the results... (BBC News -- Americas)
Longevity Tied to Preserving Chromosome Tips Nov 15, 2009
The findings appear in a recent issue of the Proceedings of the National Academy of Sciences ... The study appears in the November 9 online issue of the Proceedings of the National Academy of Sciences ... Proceedings of the National Academy of Sciences, November 9, 2009. (Science Daily)
Caffeine's Magical Effects, Wondrou... Nov 15, 2009
Thiis caffeine intake poses no adverse health effects with the caveat that according to both the National Research Council and the National Academy of Sciences those individuals with high blood pressure, or who are pregnant, should limit caffeine intake. Click to read more about potential caffeine benefits for Alzheimer's disease. (Suite101.com)
Wilson promoted at Plum Creek timber Nov 15, 2009
The National Academy of Sciences Committee on National Statistics recently appointed University of Georgia senior public service associate Warren Brown to serve on its panel to review the 2010 census. Brown directs the applied demography program at the UGA Carl Vinson Institute of Government. (Athens Banner-Herald)
Pneumonia Drug Promising Against Form of Muscular Dystrophy Nov 14, 2009
The study, funded in part by the U.S. National Institutes of Health and the Muscular Dystrophy Association, was published in the Nov. 3 issue of Proceedings of the National Academy of Sciences. SOURCE: University of Oregon, press release, Nov. 6, 2009. (MEDLINEplus)
Researchers Have Immune Cells Running In Circles Nov 14, 2009
Their results are described online in the Proceedings of the National Academy of Sciences. Neutrophils are white blood cells that are activated by chemical cues to move quickly to the site of injury or infection, where they ingest bacteria. (Science Daily)
Stem Cells: Scientists Successfully Reprogram Blood Cells Nov 13, 2009
The research team from Cincinnati Children's Hospital Medical Center reports its preclinical laboratory results this week in the early edition of Proceedings of the National Academy of Sciences. The study suggests a new approach to molecular gene therapy and a much-needed improved treatment option for children with Hurler's syndrome, said Dao Pan, Ph. (Science Daily)
Study Links Yo-Yo Dieting to Addiction Nov 13, 2009
The findings were published online in this week's Proceedings of the National Academy of Sciences. Cynthia Sass, a registered dietitian and author in New York City, said the study results fit into the wider picture of how people deal with food. (Atlanta Journal-Constitution -- Health)
Cornell researchers identify a weak link in cancer cell armor Nov 13, 2009
The study is published in the Proceedings of the National Academy of Sciences (Nov. 9). (EurekAlert!)
'Simple lifestyle tweaks' key in climate change fight Nov 13, 2009
If US households took 17 easy-to-implement actions -- like switching to a fuel-efficient vehicle, drying laundry on a clothesline instead of in a dryer, or turning down the thermostat -- carbon emissions could be cut by 123 metric tons a year by the 10th year, the study in the Proceedings of the National Academy of Sciences found. "This amounts to... 7.4 percent of total national emissions -- an amount slightly larger than the total national emissions of France," showed the study led by Thomas... (Yahoo! Asia News)
Lack Of VEGF Can Cause Defects Similar To Dry Macular Degeneration Nov 13, 2009
This finding, published in the November 3, 2009 print edition of PNAS (Proceedings of the National Academy of Sciences), not only increases the understanding of the causes of this blinding disease, but it may also impact the use of anti-VEGF drugs, such as Lucentis, which are designed to neutralize VEGF in eyes with "wet" macular degeneration. "These results are significant for several reasons. We know little about what causes GA or how to treat it. Our discovery may be an important piece of the... (Science Daily)
Theory About Long And Short-term Memory Challenged By New Research Nov 13, 2009
12, 2009) The long-held theory that our brains use different mechanisms for forming long-term and short-term memories has been challenged by new research from UCL, published in PNAS.. Neuroscientists formed this theory based on observation of patients with amnesia, a condition that severely disrupts the ability to form long-lasting memories. (Science Daily)
Possible Help In Fight Against Muscle-wasting Disease Nov 13, 2009
The research -- supported primarily by grants from the National Institutes of Health and the Muscular Dystrophy Association -- was published in the Nov. 3 issue of the journal Proceedings of the National Academy of Sciences. In a separate commentary in PNAS, Thomas A. Cooper of the Baylor College of Medicine in Houston hailed the findings, noting that the compound is the first to show such promise of reversing splicing defects. (Science Daily)
Emotions Increase or Decrease Pain Nov 12, 2009
According to a new Universit de Montral study, published in the latest edition of the Proceedings of the National Academy of Sciences (PNAS), negative and positive emotions have a direct impact on pain. "Emotions or mood can alter how we react to pain since they're interlinked," says lead author Mathieu Roy, who completed the study as a Universit de Montral PhD student and is now a post-doctoral fellow at Columbia University. (Newsmax)
Tasty Pork Dishes for Your Table Nov 12, 2009
" But why have these non-private, third party-payer alternatives become a standard around the world in many rational countries and societies whose citizens consistently score higher than their U.S. counterparts on many critical health status indicators? And I ask of these opponents, why then, do you accept, for example, Medicare? Medicaid? Social Security? Public water systems? Law enforcement? Fire departments? Emergency services? Educational systems? Highway systems? Street lighting?... (CBS News -- Early Show)
Uranium study on hold Nov 12, 2009
The National Research Council, which includes the National Academy of Sciences, presented its recommendations for a study in May to the Virginia Commission on Coal and Energy's Uranium Mining Subcommittee ... Terry Kilgore of Scott County still expects a contract with the National Academy of Sciences to be signed soon. (Chatham Star Tribune, VA)
Researchers Grow New Penile Tissue in Lab Nov 12, 2009
In the study, published in the online edition of the Proceedings of the National Academy of Sciences, scientists harvested smooth muscle cells and endothelial cells, the same type of cells that line blood vessels, from the animals' erectile tissue. Grown in test tubes, the replacement cells were injected into a three-dimensional scaffold that later was implanted in the animal's penis where, one month later, organized tissue with vessel structures began to form. (Newsmax)
Emotions Increase Or Decrease Pain, Say Researchers Nov 12, 2009
According to a new Universit; de Montr;al study, published in the latest edition of the Proceedings of the National Academy of Sciences (PNAS), negative and positive emotions have a direct impact on pain ... Proceedings of the National Academy of Sciences, 2009. (Science Daily)
MARIO SANTOYO: Latino Water Coalition praises governor Nov 11, 2009
U.S. Interior Secretary Ken Salazar and Commerce Secretary Gary Locke will shortly decide whether to request a National Academy of Sciences review of the biological opinions that restrict water flows from the Sacramento-San Joaquin Delta. I believe a National Academy review is an important step, and last week I placed $750,000 in the 2010 fiscal year Interior Appropriations bill to pay for it. (Fresno Bee -- Opinion)
'Escaped' proteins add to hearing loss in elderly, UF researchers find Nov 11, 2009
The findings help point the way toward a new target for antioxidant therapies and will be published online this week in the Proceedings of the National Academy of Sciences. One theory of aging holds that free radicals damage components of mitochondria, the energy center of cells. (EurekAlert!)
New Mayan Murals Give Rare View of Life Nov 11, 2009
The were uncovered during the excavation of a pyramid mound structure at the site of Calakmul, Mexico (near the border with Guatemala) and are described in the Nov. 9 issue of the journal Proceedings of the National Academy of Sciences. The find "was a total shock," said Simon Martin of the University of Pennsylvania Museum in Philadelphia, who studied and hieroglyphs depicted in the murals. (Fox News)
Ricin vaccine 'shown to be safe' Nov 11, 2009
US research, published in Proceedings of the National Academy of Sciences, suggested the vaccine produced no significant side effects. Scientists must now assess the ideal dosage and formulation of the vaccine before proceeding. (BBC News -- Science)
Scientists Grow New Penile Tissue in the Lab Nov 11, 2009
The study is published in the Nov. 9 online edition of the Proceedings of the National Academy of Sciences ... SOURCES: Anthony Atala, M.D., director, Institute for Regenerative Medicine, and chairman, Department of Urology, Wake Forest University Baptist Medical Center, Winston-Salem, N.C.; Andrew McCullough, M.D., director, male sexual health, fertility and microsurgery, NYU Langone Medical Center, and associate professor, New York University School of Medicine, New York City; Nov. 9, 2009,... (MEDLINEplus)
FDA-approved Drugs Eliminate, Prevent Cervical Cancer In Mice Nov 11, 2009
Published in the Nov. 9 edition of the Proceedings of the National Academy of Sciences, the findings offer hope for the 500,000 women around the world who are diagnosed with cervical cancer each year. Half of them will not survive. (Science Daily)
Lab-made organ works in siring kid? Nov 11, 2009
The work takes scientists closer to making other complex solid organs such as livers using a patients own cells, the researchers reported in the Proceedings of the National Academy of Sciences on Monday. It provides a tailor-made transplant, said Anthony Atala of Wake Forest University Baptist Medical Centers Institute for Regenerative Medicine, who led the study. (India Times, India)
Diet Switching Can Activate Brain's Stress System, Lead To 'Withdrawal' Symptoms Nov 11, 2009
The research is being published in an advance, online Early Edition of the journal Proceedings of the National Academy of Sciences (PNAS) the week of November 9, 2009 ... Proceedings of the National Academy of Sciences, November 9, 2009. (Science Daily)
Letter: Global warming is real Nov 11, 2009
While Mr. Wilson and a number of ideologically-motivated sources continue to throw bombs at climate science on opinion pages and in blogs, scientific sources such as National Academy of Sciences, NASA and the Intergovernmental Panel on Climate Change, as well as the peer-reviewed scientific literature, have long agreed that human activity is warming the Earth. Mr. Wilson and other commentators should do more research before communicating misinterpretations of scientific research to readers. (Cambridge Chronicle, MA)
US science policy delegation travels to Cuba Nov 11, 2009
In a 17 October 2008 editorial in the journal Science, Michael Clegg, the foreign secretary of the U.S. National Academy of Sciences, and Sergio Jorge Pastrana, foreign secretary of the Academy of Sciences of Cuba, noted that the U.S. embargo on exchanges with Cuba, established in 1961, continues to hamper scientific cooperation. The authors called for a new framework for cooperation and urged that the present U.S. license permitting restricted travel to Cuba be expanded to allow direct... (EurekAlert! -- Business News)
Amyloid Beta Protein Gets Bum Rap Nov 11, 2009
28, 2007) New research from Rockefeller University, published in the Feb. 26 online edition of Proceedings of the National Academy of Sciences, has identified a therapeutic target, called casein kinase 1, that. (Mar. (Science Daily)
National council sets timeline for California water study Nov 11, 2009
Council lays out timeline for California water study - Capitol and California - Fresnobee. Place an obit: (559) 441-6228. (Fresno Bee -- Local)
Words, Gestures Are Translated By Same Brain Regions Nov 11, 2009
In a study published in this week's Early Edition of Proceedings of the National Academy of Sciences (PNAS), researchers have shown that the brain regions that have long been recognized as a center in which spoken or written words are decoded are also important in interpreting wordless gestures. The findings suggest that these brain regions may play a much broader role in the interpretation of symbols than researchers have thought and, for this reason, could be the evolutionary starting point... (Science Daily)
Stem Cells Restore Cognitive Abilities Impaired By Brain Tumor Treatment Nov 11, 2009
"Our findings provide the first evidence that such cells can be used to ameliorate radiation-induced damage of healthy tissue in the brain," said Charles Limoli, UCI radiation oncology associate professor and senior author of the study, appearing online the week of Nov. 9 in the Proceedings of the National Academy of Sciences. Radiotherapy for brain tumors is limited by how well the surrounding tissue tolerates the treatment. (Science Daily)
U.S. Approves Visa for Indian Scientist Nov 11, 2009
Wendy White, an official with the National Academy of Sciences, said targeting scientists based merely on their areas of expertise could make it harder to spot real threats. "If you are looking for the needle in the haystack, you have made the haystack bigger," she said. (Yahoo News -- Biological and Chemical Weapons)
Rabbits given lab-grown penises Nov 11, 2009
Reported online in the current Proceedings of the National Academy of Sciences, researchers say the findings represent one of the most complete replacements of functional penile erectile tissue to date. Within six weeks of having the lab-grown penises grafted on, the male bunnies were using their new organs to breed like the proverbial, with four of 12 female rabbits falling pregnant. (Sydney Morning Herald -- Australia)
Laboratory-Grown Replacement Of Penile Erectile Tissue In Animals Suggests Potential To Benefit Patients Nov 11, 2009
9-13) of the Proceedings of the National Academy of Sciences, the researchers report success using cells from rabbits to grow replacement penile erectile tissue for the animals in the laboratory. After implantation with the replacement tissue, the rabbits had normal sexual function and produced offspring. (Science Daily)
Good night's sleep boosts long-term memory Nov 11, 2009
During a good night's rest, memories of recent events are shifted from one part of the brain to another, a process that is crucial for developing long-term memories, according to a report published today in the journal Proceedings of the National Academy of Sciences. The researchers, lead by Dr Philippe Peigneux at the University of Liege in Belgium, gave two teams the task of learning their way around a virtual 3D town by training them on a computer. (Yahoo News -- Sleep and Sleep Disorders)
Researchers Regrow Penis In Rabbits Nov 10, 2009
The research, which resulted in the most functional replacement reported to date, was published today in online early edition of the Proceedings of the National Academy of Sciences. Related. (ABC News)
Hundreds of genes distinguish patients likely to survive advanced melanoma Nov 10, 2009
In a new study to be published online this week in the Proceedings of the National Academy of Sciences, the researchers used a powerful technique called DNA-microarray technology to find 266 genes associated with shorter or longer survival among 38 patients whose melanomas had recurred after being surgically removed. Although it is early days, such genetic information may help decide the best course of treatment for patients with advanced disease. (EurekAlert!)
National Academy report cites Ames Laboratory's strength in new materials research Nov 10, 2009
According to a recent report by the National Research Council of the National Academy of Sciences, the United States, once the world leader in the discovery and growth of crystalline materials, is now falling behind other nations. Citing a decline in large U.S. industrial research laboratories and new investment by foreign governments as the cause behind this slippage, the report also singles out the U.S. Department of Energy's national laboratories as one of the bright spots, citing the Ames... (EurekAlert!)
Scientists explain binding action of 2 key HIV antibodies; could lead to new vaccine design Nov 10, 2009
D., an associate professor of medicine at Duke University Medical Center and lead author of the paper appearing in the Proceedings of the National Academy of Sciences. Alam, a member of the Duke Human Vaccine Institute and study senior author Bing Chen, Ph. (EurekAlert!)
Penis tissue replaced in the lab Nov 10, 2009
The study appears online in Proceedings of the National Academy of Sciences. Professor Anthony Atala said: "Further studies are required, of course, but our results are encouraging and suggest that the technology has considerable potential for patients who need penile reconstruction. "Our hope is that patients with congenital abnormalities, penile cancer, traumatic injury and some cases of erectile dysfunction will benefit from this technology in the future. (BBC News -- Health)
Lab-grown penis lets rabbits mate like bunnies Nov 10, 2009
The work takes scientists closer to making other complex solid organs such as livers using a patient's own cells, the researchers reported in the Proceedings of the National Academy of Sciences on Monday. It provides a tailor-made transplant, said Dr. Anthony Atala of Wake Forest University Baptist Medical Center's Institute for Regenerative Medicine, who led the study. (MSNBC -- Environment)
Yo-yo dieting harmful for brain Nov 10, 2009
The research is published in an advance, online Early Edition of the journal Proceedings of the National Academy of Sciences (PNAS). Topics. (India Times, India)
Organ Regeneration In Zebrafish: New Clues Nov 10, 2009
Their findings, which will be published in a forthcoming issue of Proceedings of the National Academy of Sciences, U.S.A., help to explain how epimorphic regeneration -- the regrowing of morphologically and functionally perfect copies of amputated limbs -- is controlled, an important step toward understanding why certain animals can do it and we cannot. "Our experiments show that normal development and limb regeneration are controlled by similar mechanisms," explains Izpis;a Belmonte, a... (Science Daily)
Scripps team shows diet switching can activate brain's stress system, lead to 'withdrawal' symptoms Nov 10, 2009
The research is being published in an advance, online Early Edition of the journal Proceedings of the National Academy of Sciences (PNAS) the week of November 9, 2009. "When many people diet, they try to avoid fattening foods that taste good, but ultimately end up going back to their regular eating habits," said senior author Eric Zorrilla, Ph. (EurekAlert!)
Discovery Of Oldest European Marsupial Nov 9, 2009
Proceedings of the National Academy of Sciences, 2009; DOI. Adapted from materials provided by. (Science Daily)
Precuneus Region Of Human And Monkey Brain Is Divided Into Four Distinct Regions Nov 9, 2009
8, 2009) A study published this week in the Proceedings of the National Academy of Sciences provides a comprehensive comparative functional anatomy study in human and monkey brains which reveals highly similar brain networks preserved across evolution. See also. (Science Daily)
UMass-led research team tracks malaria’s deadly leap from chimps to humans Nov 9, 2009
The discovery, described in the journal Proceedings of the National Academy of Sciences, capped more than a decade of genetic sleuthing in which Rich and colleagues from the United States, Germany, and the African nations of Cameroon and Ivory Coast isolated eight new DNA sequences of chimp malaria. Blood extracted from 94 chimps in West and Central Africa was scrutinized to locate the parasites. (Boston Globe)
As oceans fall ill, Washington bureaucrats squabble Nov 8, 2009
In a nod to Central Valley residents and their increasingly angry congressional allies, the administration agreed to seek an independent review by the National Academy of Sciences. The study announced at an often-heated public hearing Wednesday morning would include a search for alternative environmental protections that might demand less sacrifice from farmers. (Fresno Bee -- Local)
AIBS publishes Darwin articles open access Nov 7, 2009
Founded in 1947 as a part of the National Academy of Sciences, AIBS became an independent, member-governed organization in the 1950s. Today, with headquarters in Washington, DC, and a staff of approximately 50, AIBS is sustained by a robust membership of some 5,000 biologists and 200 professional societies and scientific organizations; the combined individual membership of the latter exceeds 250,000. (EurekAlert!)
1930s gonorrhea drug slows tumor growth Nov 7, 2009
D., a professor of pharmacology and molecular sciences at Johns Hopkins and author on the study published Oct. 1 in the Proceedings of the National Academy of Sciences. In this case, the surprise is a big one. (AZCentral -- Business)
DNA molecules in moss open door to new biotechnology Nov 7, 2009
The findings have been published in the distinguished journal Proceedings of the National Academy of Sciences of the USA (PNAS). Professor Hans Ronne's research team at the Department of Medical Biochemistry and Microbiology at Uppsala University works with the diminutive Physcomitrella moss, which is widely used in research because its genes are easier to "knock out" than those of other plants. (EurekAlert!)
Dogs vs. SUVs vs. the earth, debunked Nov 7, 2009
Just this week, a new study appearing in the Proceedings of the National Academy of Sciences documented that "the melting on Kilimanjaro is accelerating and that in a few years there may be no ice left.". The lead author of the study, Lonnie Thompson, covering the top of Kilimanjaro that "represent almost 12,000 years of history, since the glaciers first formed on Kilimanjaro," and that "the top, most recent layer shows evidence of melting and refreezing, in the form of elongated air bubbles --... (Salon)
Paleoecologists Offer New Insight Into How Climate Change Will Affect Organisms Nov 6, 2009
5, 2009) An article in the Proceedings of the National Academy of Sciences written by a team of ecologists, including Robert Booth, assistant professor of earth and environmental science at Lehigh University, examines some of the potential problems with current prediction methods and calls for the use of a range of approaches when predicting the impact of climate change on organisms. See also. (Science Daily)
When should flu trigger a school shutdown? Nov 5, 2009
More than 500 scientists, including eight members of the National Academy of Sciences, 12 members of the Institute of Medicine and 12 members of the Howard Hughes Medical Institute comprise Children's research community. Founded as a 20-bed hospital for children, Children's Hospital Boston today is a 396-bed comprehensive center for pediatric and adolescent health care grounded in the values of excellence in patient care and sensitivity to the complex needs and diversity of children and... (EurekAlert!)
Earth takes a deep breath and has a growth spurt Nov 5, 2009
The two most rapid increases in maximum size correspond closely with the two primary episodes of increase in the concentration of atmospheric oxygen,'' Jonathan Payne, a palaeobiologist at Stanford University, reported in the Proceedings of the National Academy of Sciences. Based on fossil evidence, biologists think that life began in the ocean at least 3. (Sydney Morning Herald -- World)
Spinal Cord Regeneration: Scar-degrading Enzyme Nov 5, 2009
In a paper published November 2 in the early edition of the journal Proceedings of the National Academy of Sciences, researchers describe how they eliminated the thermal sensitivity of chABC and developed a delivery system that allowed the enzyme to be active for weeks without implanted catheters and pumps. This work was supported by the National Institutes of Health. (Science Daily)