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Showing releases 101-125 out of 262 releases.
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Public Release: 9-Sep-2009
JAMA
Administering dopamine to brain-dead kidney donor may improve outcome of transplant
Pretreatment of a brain-dead, heart-beating kidney donor with dopamine reduced the need for dialysis for the kidney recipient in the first week after the transplantation, according to a study in the Sept. 9 issue of JAMA.
Contact: Martin Zeier
martin.zeier@med.uni-heidelberg.de
JAMA and Archives Journals
Public Release: 9-Sep-2009
JAMA
Procalcitonin measurement may help reduce antibiotics overuse for lower respiratory tract infections
The use of guidelines for treatment of lower respiratory tract infections such as bronchitis and pneumonia determined by measurements of a chemical in the blood known as procalcitonin resulted in lower rates of antibiotic use and associated adverse effects, and similar rates of adverse outcomes compared to standard guidelines, according to a study in the Sept. 9 issue of JAMA.
Contact: Beat Mueller
happy.mueller@unibas.ch
JAMA and Archives Journals
Public Release: 8-Sep-2009
Proceedings of the National Academy of Sciences
Story ideas from the Proceedings of the National Academy of Sciences
The highlights of the PNAS tipsheet for Sept. 7-11 include: Retrovirus implicated in prostate cancer; Glowing markers of cell death in bananas; Using human fat to generate stem cells; Temperature extremes in the forecast; Bioluminescent protein identifies tumors in live animals; Protection against arsenic toxicity; Rewiring the flu virus; Genomes reveal bacterial lifestyles.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 4-Sep-2009
Cell
Mice can eat 'junk' and not get fat
A study in the September 4 issue of the journal Cell, a Cell Press publication, identifies a gene that springs into action in response to a high fat diet. Mice that lack the gene become essentially immune to growing obese, regardless of their eating habits.
Contact: Cathleen Genova
cgenova@cell.com
617-397-2802
Cell Press
Public Release: 4-Sep-2009
Science
Social studies for babies and dogs -- but not wolves
In one of Piaget's classic child development studies, a 10-month old baby who sees a toy dropped repeatedly into Box A will search for the toy in Box A even after she watches the toy placed in Box B. Now, a new set of experiments suggests adult dogs are like these human infants -- they don't believe what they see with their own eyes, researchers report in the Sept. 4 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 4-Sep-2009
Science
Mutation blocks brain cancer drug
New molecular evidence reveals why a patient being treated with a promising new drug for metastatic medulloblastoma, an aggressive type of brain cancer, eventually developed resistance to the drug, researchers report in the Sept. 4 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 4-Sep-2009
Science
Europe's first farmers were migrants
The Sept. 4 issue of Science reports that analysis of ancient mitochondrial DNA from skeletal samples suggests that Europe's first farmers were not the descendants of the hunter-gatherer groups that settled the area after the last great retreat of the ice sheets.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 4-Sep-2009
Science
Intriguing new targets for HIV vaccines
For the first time in about 20 years, the discovery of new broadly neutralizing antibodies against HIV is generating some exciting new targets for vaccine development, researchers report in the Sept. 4 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 2-Sep-2009
JAMA
Distribution of antibiotic for eye disease linked to low death risk among Ethiopian children
Children in Ethiopia who received the antibiotic azithromycin as a method for controlling the contagious eye disease trachoma had a lower odds of death compared to children who did not receive the antibiotic, according to a study in the Sept. 2 issue of JAMA.
Contact: Karin Rush-Monroe
Karin.Rush-Monroe@ucsf.edu
415-502-1332
JAMA and Archives Journals
Public Release: 2-Sep-2009
JAMA
Study examines effectiveness of laparoscopic surgical treatments to alleviate chronic pelvic pain
A surgical procedure known as LUNA (laparoscopic uterosacral nerve ablation) did not result in improvements in chronic pelvic pain, painful menstruation, painful sexual intercourse or quality of life when compared with laparoscopic surgery that does not interrupt pelvic nerve connections, according to a study in the Sept. 2 issue of JAMA.
Contact: Jane Daniels
j.p.daniels@bham.ac.uk
JAMA and Archives Journals
Public Release: 1-Sep-2009
Proceedings of the National Academy of Sciences
Acute impact on brain function in earthquake survivors
New research has found that the Wenchuan, China earthquake that occurred on 12 May 2008 had an acute impact on the brain function of physically healthy survivors and poses a risk to the mental health of these survivors. The results of the study, which was carried out by the Institute of Psychiatry in collaboration with colleagues from universities in China, the US and Liverpool, have been published in PNAS online today.
Contact: Melanie Haberstroh
Melanie.haberstroh@kcl.ac.uk
44-020-784-83076
King's College London
Public Release: 1-Sep-2009
Proceedings of the National Academy of Sciences
Story ideas from the Proceedings of the National Academy of Sciences
The highlights of the PNAS tipsheet for August 31-Sept. 4 include: Gene linked to substance dependence in women of European origin; Insulin-producing beta cells created from patients with juvenile diabetes; Signaling enzymes detect damaged DNA; Cultured liver cells aid in drug toxicity screening; Neural impact from a traumatic event; How cholera spreads; Evolutionary brain size growth.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 28-Aug-2009
Current Biology
We are all mutants
Researchers have calculated a general rate of one mutation in each 15 to 30 million DNA letters in humans. Using next-generation sequencing, researchers sequenced part of the Y chromosome from two distant male-line relatives. Despite 13 generations of separation -- with a common male ancestor 200 years ago -- they found only four letters that differed. Mutation is the ultimate source of human genetic variation and has implications for both evolutionary and disease genetics.
Contact: Don Powell
press.officer@sanger.ac.uk
44-012-234-96928
Wellcome Trust Sanger Institute
Public Release: 28-Aug-2009
Science
Unlocking the secrets of the silkworm
The silkworm has been domesticated for more than 10,000 years, providing its valuable silk and proteins to humans -- but now re-sequencing has provided a map of genetic variation for these bugs, and is poised to provide us with so much more, researchers report in the Aug. 28 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 28-Aug-2009
Science
The mystery of the color-changing mice
The Aug. 28 issue of Science reports that on the Sand Hills of Nebraska, deer mice have adapted to their dusty, light-colored environment by developing similar light-colored coats of fur -- a trait that researchers say stems from a mutation that didn't appear in the mice until after the Sand Hills had already formed.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 28-Aug-2009
Science
In worms, starvation turns back the reproductive clock
Starvation or severely limiting calories is known to act as a "pause button" on the aging process in a variety of animals, but in nematode worms, starvation can also be more like a "reset" command for the reproductive system, delaying the production of new egg cells until much later in life, researchers report in the Aug. 28 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 28-Aug-2009
Science
The most damaging gas to the ozone layer
Nitrous oxide might also be known as "laughing gas" to some, but the Aug. 28 issue of Science reports that researchers say what it is doing to the Earth's ozone layer is no laughing matter.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 28-Aug-2009
Science
Dog coats shed genetic secrets
The differences between the silky curls of a cocker spaniel and the shaggy mop of a sheepdog are the result of a mere three genes, researchers report in the Aug. 28 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 26-Aug-2009
JAMA
Hormone therapy for prostate cancer patients with CAD associated with increased risk of death
Men with coronary artery disease-induced congestive heart failure or heart attack who receive hormone therapy before or along with radiation therapy for treatment of prostate cancer have an associated increased risk of death, according to a study in the August 26 issue of JAMA.
Contact: Lori J. Shanks
ljshanks@partners.org
617-534-1604
JAMA and Archives Journals
Public Release: 26-Aug-2009
JAMA
Genetic variation associated with poorer response, cardiovascular outcomes with use of clopidogrel
Patients with a certain genetic variation who received the antiplatelet drug clopidogrel had a decreased platelet response to treatment and among those who had percutaneous coronary intervention (procedures such as balloon angioplasty or stent placement used to open narrowed coronary arteries) had an increased risk of having a cardiovascular event in the following year than patients who did not have this variant, according to a study in the August 26 issue of JAMA.
Contact: Karen Warmkessel
kwarmkessel@umm.edu
410-328-8919
JAMA and Archives Journals
Public Release: 25-Aug-2009
Experimental Biology and Medicine
Improvement of liver stem cell engraftment by protein delivery
Researchers at INSERM (France) have engineered a chimeric protein that increases cell survival, migration and proliferation to improve stem cell engraftment. The results, which appear in the September 2009 issue of Experimental Biology and Medicine, show that TAT-Tpr-Met, a cell permeable form of the hepatocyte growth factor receptor can increase the number of hepatic stem cells integrated into the liver of the mouse.
INSERM, Assn Francaise contre les Myopathies
Contact: Guillaume Kellermann
guillaume.kellermann@inserm.fr
Society for Experimental Biology and Medicine
Public Release: 25-Aug-2009
Proceedings of the National Academy of Sciences
Story ideas from the Proceedings of the National Academy of Sciences
The highlights of the PNAS tipsheet for August 24-28 include: Muddled media multitaskers; Avoiding folic acid overload; Patching a broken heart; Unraveling clues to honey bee collapse; Intercellular channels act as directional valves; Low-carb, high-protein diet dilemma; Better measure of obesity-related diseases; How aging starts.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 24-Aug-2009
Journal of Biological Chemistry
The first gene-encoded amphibian toxin isolated
Researchers in China have discovered the first protein-based toxin in an amphibian -- a 60-amino-acid neurotoxin found in the skin of a Chinese tree frog. This finding may help shed more light into both the evolution of amphibians and the evolution of poison.
Contact: Nick Zagorski
nzagorski@asbmb.org
301-634-7366
American Society for Biochemistry and Molecular Biology
Public Release: 21-Aug-2009
238th National Meeting of the American Chemical Society
Little known type of cholesterol may pose the greatest heart disease risk
Health-conscious people know that high levels of total cholesterol and LDL cholesterol (the so-called "bad" cholesterol) can increase the risk of heart attacks. Now scientists are reporting that another form of cholesterol called oxycholesterol -- virtually unknown to the public -- may be the most serious cardiovascular health threat of all. Scientists from China presented one of the first studies on the cholesterol-boosting effects of oxycholesterol here today at the 238th National Meeting of the American Chemical Society.
Hong Kong Grant Research Council
Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society
Public Release: 21-Aug-2009
Science
Chinese culture at the crossroads
Recent archaeological discoveries from far-flung corners of China are forcing scientists to reconsider the origins of ancient Chinese civilization -- and a new crop of young archaeologists are delving into the modern nation's roots.
American Association for the Advancement of Science
Contact: Natasha Pinol
npinol@aaas.org
202-326-7088
American Association for the Advancement of Science
Showing releases 101-125 out of 262 releases.
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