Brightsurf Science News & Current Events

May 15, 2008
Land tenure conflict in Kenya turning into strong inter-ethnic territorial claims
North-West Kenya's Mount Elgon district has since the 1970s been the arena of a lurking land access conflict which boiled up at the very heart of the Sabaot community, the majority ethnic group in that part of the country.

AUA 2008: Higher cholesterol increases the risk of biochemical failure after radical prostatectomy
Poor cholesterol management may not only affect a man's risk for prostate cancer, but also his risk of biomedical recurrence after prostatectomy, according to new data from Duke University.

U of Saskatchewan distinguished researcher finds an SOS response to cancer-causing agents
University of Saskatchewan microbiologist Wei Xiao, funded by the Canadian Institutes of Health Research, has found a way to trigger a protein combination called 9-1-1 that sends an SOS signal for cells to fight cancer-causing agents such as industrial toxins, ultraviolet radiation and X-rays.

AUA 2008: Active surveillance a viable option for low-risk prostate cancer
Active surveillance remains a viable option for low-risk, localized prostate cancer.

Adding up business and energy
Could a business practice usually reserved for boosting profits be used to help turn companies green by reducing their energy use?

Treating osteoporosis calls for physician, dentist collaboration: ADA Journal
Physicians and dentists should collaborate to improve early detection and treatment of patients who have or may develop osteoporosis, say researchers in the cover story of the May issue of the Journal of the American Dental Association.

AUA 2008: Global warming may lead to increase in kidney stones disease
Rising global temperatures could lead to an increase in kidney stones.

Inject rational argument into embryo debate, says expert
In the week that the UK parliament debates controversial amendments to the 1990 Human Fertilisation and Embryology Act, professor John Burn asks at what point a cell becomes a human.

AUA 2008: Uric acid stones may indicate arteriosclerotic diseases
Patients with metabolic syndrome disorders, including diabetes and high cholesterol, may be more likely to develop uric-acid stones than other type of calculi.

AUA 2008: Lower urinary tract symptoms place eldery men at risk for falls
A greater likelihood of falling may be linked to lower urinary tract symptoms in elderly men.

Genes may play role in risk assessment for prostate cancer among Hispanics and caucasians
Genetic differences may explain the greater risk for prostate cancer among Caucasian men compared with Hispanic men, which could help clinicians predict who is more likely to develop the disease, according to a paper published in the May 15, 2008, issue of Clinical Cancer Research, a journal of the American Association for Cancer Research.

National Science Board approves UCAR proposal to manage NCAR
The National Science Board has authorized the National Science Foundation to negotiate a new cooperative agreement with the University Corporation for Atmospheric Research to continue to manage and operate its flagship weather and climate center, the National Center for Atmospheric Research.

Obesity and unhealthy lifestyles linked to more complex urinary problems
Obesity, unhealthy lifestyles and lower social economic status have been linked to more complex urinary problems in an American survey of 5,506 men and women.

Monitor Sanctuary in good health overall, but historic shipwreck still faces threats
The natural resources of the Monitor National Marine Sanctuary off the North Carolina coast are in good condition overall, but the wreck of the Civil War ironclad encompassed by the site is at risk from human activity and natural deterioration, according to a new NOAA report.

Chemotherapy might help cancer vaccines work
Chemotherapy given in conjunction with cancer vaccines may boost the immune system's response, potentially improving the effectiveness of this promising type of cancer therapy, according to a study by researchers in the Duke Comprehensive Cancer Center.

Study: Doribax shows shorter hospital stays in ventilator-associated pneumonia patients
The investigational use of doripenem for the treatment of ventilator-associated pneumonia was associated with shorter patient length of stay and reduced hospital resource utilization, according to new data published in the April edition of Clinical Therapeutics.

Carnegie Mellon scientists unveil new tool to understand evolution of multi-domain genes
Carnegie Mellon computational biologist Dannie Durand and colleagues have for the first time tackled the dilemma of how to study the ancestry of multidomain genes, which encode an important class of proteins called multidomain proteins that are crucial to human health.

Regular prostate-specific antigen screening may be discontinued in certain elderly populations
Men aged 75-80 with prostate-specific antigen levels less than 3 ng/ml may be able to discontinue their regular prostate cancer screenings.

Look to the future: New drug reduces one cause of vision loss
In the industrialized world, most diseases that cause vision loss do so by altering the permeability of the blood vessels in the retina of the eye.

Study takes a step toward better defining fatigue
In an effort to better define and ultimately address fatigue more effectively, a qualitative study from the University of Texas M.

AUA 2008: Unique experience with civilian bladder trauma in Baghdad
Two urologists from Al Yarmouk Teaching Hospital detailed their experience with the management of bladder injury in civilians with major abdominal trauma.

An ancient protein balances gene activity and silences foreign DNA in bacteria
Compared to humans, bacteria have a much tidier genome. The tiny microorganisms pack their genes closely together, and don't carry around a lot of extraneous DNA, so-called junk DNA that fills in the gaps between genes.

AUA 2008: Low cholesterol leads to lower PSA
Managing your cholesterol may also help you manage your prostate-specific antigen level.

Young children with OCD benefit from family-based treatment
Although children as young as 5 can be diagnosed with obsessive-compulsive disorder, few research studies have looked at treatments specifically geared toward young children with this disorder.

Celebrex shows benefit in first-of-its-kind lung cancer chemoprevention trial
Celecoxib, the anti-inflammatory medication also known by the trade name Celebrex, has proven to be safe and reduces a specific proliferation measurement of precancerous lesions in the lung, according to a study from the University of Texas M.

Small primate ancestors had a leg up
Smaller primates expend no more energy climbing than they do walking.

Simple model cell is key to understanding cell complexity
A team of Penn State University researchers has developed a simple artificial cell with which to investigate the organization and function of two of the most basic cell components: the cell membrane and the cytoplasm -- the gelatinous fluid that surrounds the structures in living cells.

Targeted therapy plus chemotherapy may pack 1-2 punch against melanoma
By targeting and disabling a protein frequently found in melanoma tumors, doctors may be able to make the cancer more vulnerable to chemotherapy, according to a new study by researchers in the Duke Comprehensive Cancer Center.

LIDAR imaging detector could build 'super road maps' of planets and moons
Technology that could someday

How small molecule can take apart Alzheimer's disease protein fibers
Researchers have shown, in unprecedented detail, how a small molecule is able to selectively take apart abnormally folded protein fibers connected to Alzheimer's disease and prion diseases.

AUA 2008: Definition of premature ejaculation by International Society for Sexual Medicine
Despite the fact that it has long been a major concern for men, an evidence-based definition for premature ejaculation has not existed until now.

Preventing falls important for stroke patients
Stroke patients have a high risk of falling after leaving the hospital.

New findings on ocean nitrogen
As much as a third of the nitrogen entering the world's oceans from the atmosphere is man-made, according to new findings by an international team of scientists.

Common virus may serve as target for vaccine in fight against deadly brain tumors
By targeting a common virus, doctors may be able to extend the lives of patients diagnosed with the most prevalent and deadly type of brain tumor, according to a study led by researchers in Duke's Preston Robert Tisch Brain Tumor Center.

'Innocence' argument dramatically changed death penalty public support, policy
The recent execution of a convicted murderer in Georgia and a Supreme Court ruling upholding the constitutionality of a form of lethal injection have prompted fears of a rush to executions nationwide.

Top grades not always needed to become a doctor
Top A-level results are not always necessary for students to succeed in medicine, according to the authors of a paper in this week's BMJ.

Green tea compounds beat OSA-related brain deficits
Chemicals found in green tea may be able to stave off the cognitive deficits that occur with obstructive sleep apnea, according to a new study published in the second issue for May of the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine.

New study strengthens association of prostate cancer with exposure to Agent Orange
As men age, their risk of developing prostate cancer increases.

SCAI announces 2009 annual scientific sessions in Las Vegas
The Society for Cardiovascular Angiography and Interventions today announced that it will hold its 2009 Annual Scientific Sessions May 6-9, 2009, at Caesar's Palace, Las Vegas.

Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish
Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers at Fred Hutchinson Cancer Research Center.

University of Miami's CSTARS to host valuable hurricane, typhoon satellite image library
The University of Miami's Center for Southeastern Tropical Advanced Remote Sensing announced that it will house a library of data collected via spaceborne C-Band Synthetic Aperture Radar.

Long lost sisters
A Tel Aviv University mathematician finds humanity was genetically divided for as much as 100,000 years

Dr. Anthony Fauci reflects on 25 years of HIV
On the 25th anniversary of the first scientific article linking a retrovirus to AIDS, Anthony S.

Study shows that administering calcium and magnesium effectively reduces neurological sensitivity
Researchers in the North Central Cancer Treatment Group have shown that patients who receive intravenous calcium and magnesium before and after the chemotherapy drug oxaliplatin for the treatment of advanced colon cancer experience a significantly reduced incidence and severity of neurological side effects.

NC State researcher finds El Niño may have been factor in Magellan's Pacific voyage
A new paper by North Carolina State University archaeologist Dr.

Jaguar upgrade brings ORNL closer to petascale computing
Upgrades to Oak Ridge National Laboratory's Jaguar supercomputer have more than doubled its performance, increasing the system's ability to deliver far-reaching advances in climate studies, energy research and a wide range of sciences.

M. D. Anderson nurses find empowerment in PACTs
According to nurse-researchers at the University of Texas M. D.

Nearly 40 percent of GERD patients taking PPIs experience recurring symptoms
Despite daily use of doctor-recommended proton pump inhibitors to control gastroesophageal reflux disease symptoms, nearly 40 percent of patients who take them continue to experience breakthrough, which is a return of GERD symptoms, such as acid regurgitation and heartburn.

MIT creates new material for fuel cells
MIT engineers have improved the power output of one type of fuel cell by more than 50 percent through technology that could help these environmentally friendly energy storage devices find a much broader market, particularly in portable electronics.

Immune cells kill foes by disrupting mitochondria 2 ways
T cells can initiate cellular suicide, also known as apoptosis, by a previously unrecognized pathway that starts with the destruction of a key enzyme in mitochondria, the power plant of the cell.

Lung cancer patients can tolerate post-surgery exercise, and can benefit from it
Patients who have undergone surgical procedures for the removal of lung cancer can tolerate and benefit from exercise regimens started just a month after surgery, according to a new study led by researchers at the Duke Comprehensive Cancer Center.

Culture affects how teen girls see harassment
Teenage girls of all ethnic and socioeconomic backgrounds still experience sexism and sexual harassment -- but cultural factors may control whether they perceive sexism as an environmental problem or as evidence of their own shortcomings.

Study suggests blood test can help improve treatment outcomes for breast cancer patients
With the goal of tailoring cancer treatment for each individual, researchers at Georgetown University Medical Center today presented a study suggesting a simple blood test can help doctors more reliably assess treatment efficacy for patients with metastatic breast cancer.

Study finds parents use cough medicines on under-2s despite the warnings
More than 40 percent of parents have used cough medicine for children younger than two -- even though it is not recommended, nor proven effective for children in this age group, an Australia-first study has found.

Drug therapy to bolster immune system cells found effective toward childhood cancer
Researchers from the University of Texas M. D. Anderson Cancer Center have found a possible approach to therapy that may make cancer cells more sensitive to attack by immune system cells while making the immune system cells more powerful.

AUA 2008: Baseline PSA reading a reliable prostate cancer predictor for up to 30 years
Premalignant phases of prostate cancer occur over long periods of time and a single prostate-specific antigen reading taken at age 44-50 can help predict prostate cancer diagnosis up to 30 years subsequently, according to updated data from researchers in New York and Malmo, Sweden.

Population growth in Reunion: A strong point for the island's economic expansion?
By 2030 Reunion Island will be home to one million people and the predicted population growth will come with deep structural changes.

Teenage girls still experience harassment
Findings from a study of 600 teenage girls from diverse and ethnic backgrounds indicate that the vast majority of girls have experienced sexual harassment in some form.

Addressing the 'nitrogen cascade'
The problem of excessive reactive nitrogen in the environment is little-known beyond a growing circle of environmental scientists who study how the element cycles through the environment and negatively alters local and global ecosystems and potentially harms human health.

Venus Express discovers hydroxyl in the atmosphere of Venus through its nightglow emission
Using observations from the Venus Express spacecraft, an international team of astronomers presents the first detection of hydroxyl in the atmosphere of Venus through its nightglow emission.

New study reveals hidden neotropical diversity
Evidence of physically similar species hidden within plant tissues suggest that diversity of neotropical herbivorous insects may not simply be a function of plant architecture, but may also reflect the great age and area of the neotropics.

Boffinry and Baftas: Brothers' double doctorates
An acclaimed Nottingham scientist and his celebrated brother will each receive honorary doctorate degrees -- at the same graduation ceremony.

International Diabetes Federation gives grant to diabetes screening & prevention program in Vietnam
The International Diabetes Federation BRIDGES translational research grant program will fund a pilot study in Vietnam to increase opportunities for screenings for people at high-risk for getting type 2 diabetes and promote a program designed to motivate people to develop a healthy lifestyle.

Chemotherapy does not appear to improve survival or quality of life for mesothelioma patients
The addition of chemotherapy to active symptom control for mesothelioma patients does not appear to improve their survival or quality of life.

Can one 'pin down' electrons?
Experiments by Frankfurt physicists end a long-lasting dispute with an answer that apparently satisfies everyone.

New driver of brand extension success found by University of Minnesota professor
In an increasingly borderless world in which brands can be as powerful as currency, stretching brands that already have strong equity has become an ever more important avenue for growth.

Americans must consider cost and effectiveness when comparing and choosing medical interventions
The American College of Physicians proposed today a means to improve physician and patient access to and use of information about clinical and cost-effectiveness when comparing medical products, procedures and services.

AUA 2008: Gastric bypass surgery restores sexual function in morbidly obese men
Losing weight may help resolve erectile dysfunction in obese men.

AUA 2008: Access to urologists and prostate cancer screenings lead to better outcomes for patients
Men with greater access to prostate cancer screenings and treatment have better outcomes from the disease, a new study shows.

Ustekinumab every 12 weeks is effective at treating psoriasis in most patients
Two studies in this week's edition of the Lancet have shown the efficacy of ustekinumab for treating moderate-to-severe psoriasis, and that dosing every 12 weeks maintains efficacy in most patients.

Obese population uses 18 percent more food energy than normal population
Promotion of healthy urban transport policies, such as walking and cycling, would help reduce both world oil demand and global food insecurity -- not only through less car use overall, but by reducing the excess demands on food and car use from the obese part of the population.

AUA 2008: Maternal exposure to persistent organic pollutants linked to urologic conditions in boys
Higher incidences of congenital anomalies, including cryptorchidism (undescended testicles) and hypospadias, were found in boys whose mothers had higher serum levels of certain organochlorine compounds, researchers say.

Does fishing on drifting fish aggregation devices endanger the survival of tropical tuna?
An IRD team studying tropical tuna fisheries aimed to establish if the use of drifting fish aggregation devices, a technique employed increasingly for industrial-scale tuna fishery, could act as just such an ecological trap for these species.

New study casts further doubt on risk of death from higher salt intake
Contrary to long-held assumptions, high-salt diets may not increase the risk of death, according to investigators from the Albert Einstein College of Medicine of Yeshiva University.

Embryonic pathway delivers stem cell traits
Cells that undergo an epithelial-to-mesenchymal transition show properties of stem cells, including the ability to self-renew.

Most ethnic minority teens don't hang out with ethnic school crowds
New research found that ethnic minority teens tend not to hang out in groups based on ethnicity.

Marian Koshland Science Museum forms partnership with Science Center Singapore
In a new collaboration, the Marian Koshland Science Museum of the National Academy of Sciences is licensing several components of its global warming and infectious diseases exhibits to the Science Center Singapore.

IADR and GlaxoSmithKline Consumer Healthcare announce winners
The International Association for Dental Research and GlaxoSmithKline Consumer Healthcare today announced the 2008 winners of the annual IADR/GSK Innovation in Oral Care Awards.

Adding epratuzumab to standard therapy
Adding a second monoclonal antibody drug to chemotherapy looks promising for treatment of diffuse large B-cell lymphoma, according to Mayo Clinic researchers working with the North Central Cancer Treatment Group.

Muscle-derived stem cells prove effective in reparing sphincter damage to restore continence
Transplantation of muscle-derived stem cells may provide a safe and effective treatment for patients suffering from urinary incontinence following a surgical procedure.

Survivors of childhood cancers treated with cyclophosphamide more likely to develop bladder cancer
Survivors of childhood cancers treated with the chemotherapy drug cyclophosphamide were five times more likely to develop bladder cancer later in life than the general population.

MIT crafts bacteria-resistant films
Having found that whether bacteria stick to surfaces depends partly on how stiff those surfaces are, MIT engineers have created ultrathin films made of polymers that could be applied to medical devices and other surfaces to control microbe accumulation.

Plant biologists discover unexpected proteins affecting small RNAs
Now that high school biology students can recite that genes are made of DNA, which is transcribed into messenger RNA (mRNA), which is then translated into protein, along comes a new class of molecules, sending students -- and many scientists -- scrambling for updated textbooks.

Argonne-SRNL agreement supports critical DOE, national priorities
Argonne National Laboratory has signed a memorandum of understanding with Savannah River National Laboratory to collaborate on nuclear energy and environmental management research projects in support of critical US Energy Department needs and other important national priorities.

Race, family history or baseline PSA: Which best predicts prostate cancer risk?
African-American men with family histories of prostate cancer could benefit from a baseline prostate-specific antigen (PSA) reading to determine their probability of developing the disease.

Adolescents' values can serve as a buffer against behaving violently at school
A study conducted among Arab and Jewish adolescents in public schools in Israel found that certain values helped protect teens against behaving violently.

Animal behavior turned into robots and more at 4th international AMAM symposium
Building a machine that moves like a cockroach, salamander, fish or another creature is no easy task.

UCSD researchers show link between vitamin D status, breast cancer
Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego, and the Department of Family and Preventive Medicine have shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B, and breast cancer.

General practitioners filling the gap left by inadequate dental services, says doctor
A shortage of NHS dentists means that general practitioners have been left to do dentists' work without adequate remuneration, argues a doctor in a letter in this week's BMJ.

Reducing intake of dietary fat prevents prostate cancer in mice
Scientists with UCLA's Jonsson Cancer Center and the Department of Urology have showed that lowering intake of the type of fat common in a Western diet helps prevent prostate cancer in mice, the first finding of its kind in a mouse model that closely mimics human cancer, researchers said.

AUA 2008: Current regenerative medical techniques hold great promise for bladder regeneration
Bladder regeneration via a neo-bladder replacement may prove to be effective in humans.

Protein predicts Gleevec resistance in gastrointestinal tumors
Excess amounts of a protein called IGF-1R in patients with gastrointestinal stromal tumors could indicate that the patient would be less responsive to Gleevec.

Only a small proportion of low-risk prostate cancers will progress to life-threatening disease
The disparity between reported incidence and mortality rates leads to the probable conclusion that only a small proportion of diagnosed low-risk prostate cancers will progress to life-threatening disease during the lifetime of the patient.

Key molecule discovered in Venus's atmosphere
Venus Express has detected the molecule hydroxyl on another planet for the first time.

AUA 2008: Retired firefighters could be at increased risk for developing bladder cancer
A new study presented at the Annual Scientific Meeting of the American Urological Association suggests that firefighters may be at an increased risk of developing transitional cell carcinoma (TCC, or bladder cancer) and should be considered for routine annual screening.

Hidden heart condition increases the risk of death in patients waiting for kidney transplants
An often asymptomatic condition -- systolic dysfunction, or decreased pumping of the heart -- poses an increased risk of death for patients on kidney transplant waiting lists, according to a study appearing in the June 2008 issue of the Journal of the American Society Nephrology.

External-beam radiation therapy for localized prostate cancer linked to other cancer
Patients undergoing external-beam radiation therapy for localized prostate cancer may be at an increased risk for secondary malignancy, according to a study from researchers in Canada, Italy and the United States.

New NOAA ocean observing system in Pascagoula aids mariners
Mariners can now get free real-time information on water and wind conditions for the Port of Pascagoula, Miss., from a new NOAA ocean observing system at the port.

Larger horns a gamble for young Soay sheep
When it comes to winning mates, larger horns are an asset for male Soay sheep.

New Mount Sinai research tracks effects of addictive drugs on brain
Mount Sinai researchers may have unlocked the key to better understanding the effect addictive drugs have on the human brain.

Connecting cancer genes
A large genetic study in mice has identified hundreds of genes involved in the development of cancer by examining the DNA of more than 500 lymphomas to find the cancer causing mutations.

Medical College of Wisconsin researchers identify proteins that help develop mammalian hearts
The absence of two proteins in mammalian embryos prevents the development of a healthy heart, a new study by researchers at the Medical College of Wisconsin, Milwaukee, has found.

Research puts new wrinkle in study of materials folding under pressure
Scientists at the University of Chicago and the University of Santiago in Chile have explained, for the first time, the physics that governs how thin materials at scales millions of times different in thickness make the transition from wrinkles into folds under compression.

Atmosphere threatened by pollutants entering ocean, prof says
A large quantity of nitrogen compounds emitted into the atmosphere by humans through the burning of fossil fuels and the use of nitrogen fertilizers enters the oceans and may lead to the removal of some carbon dioxide from the atmosphere, concluded a team of international scientists led by Texas A&M University Distinguished Professor of Oceanography and Atmospheric Sciences Robert Duce.

AUA 2008: Legislation needed to provide coverage for ED treatment after prostatectomy
Men who have developed erectile dysfunction following surgery for prostate cancer usually do not have insurance coverage for ED treatment even though their insurance policies cover surgery for prostate cancer.

Pre-K students benefit when teachers are supportive
New research has found that minimum standards of quality in early education classrooms, including teachers' level of education and field of study, class size, and child-to-teacher ratio were not directly related to children's learning and social development.

Spillover effects of family and school stress linger in adolescents' daily lives
A study among 589 9th graders found that stress at home affects adolescents' school life and vice versa.

MIT solves gravity-defying bird beak mystery
As Charles Darwin showed nearly 150 years ago, bird beaks are exquisitely adapted to the birds' feeding strategy.

Why nations fail to act
The international community should take formal steps to justify inaction when conditions of genocide exist anywhere in the world.

Therapeutic vaccine prolongs survival and improves quality of life
A new prostate cancer vaccine may give hope to men with metastatic prostate cancer by enabling their immune systems to fight the disease.

Electric shocks can cause neurologic and neuropsychological symptoms
Canadian researchers have shown that an electric shock ranging from 120 to 52,000 volts can cause neurologic and neuropsychological symptoms in humans.

Geneticists at the American Museum of Natural History trace the evolution of St. Louis encephalitis
Researchers from the Sackler Institute for Comparative Genomics at the American Museum of Natural History sequenced the entire genetic code of 23 strains of Flavivirus, the virus that causes St.

U of Minnesota researcher discovers the starting point of sun-induced skin cancer
According to a new study from the University of Minnesota, the earliest event in the development of sun-induced skin cancer may have been identified.

Stowers Institute researchers identify gene linked to vertebral defects in patient populations
Stowers Institute researchers Karen Staehling-Hampton, Ph.D., managing director of Molecular Biology, and Olivier Pourquié, Ph.D., Investigator, collaborated with colleagues from around the world to show that genes known to cause spinal mutations in chick and mouse model systems also play an important role in human patients with congenital vertebral abnormalities.

Crystal (eye) ball: Study says visual system equipped with 'future seeing powers'
Catching a football. Maneuvering through a room full of people.

ACP, ACP Foundation Diabetes Initiative plans for 2 more years
The Diabetes Initiative of the American College of Physicians and the ACP Foundation released new information on the first three years of its project to improve diabetes care primarily through special efforts targeting physicians' practices.

Cancer patients' quality of life directly relates to their survival
Patients who feel better live longer, say Mayo Clinic researchers, working with the North Central Cancer Treatment Group, in study results released May 15 as part of the 44th Annual Meeting of the American Society of Clinical Oncology.

Teens' perception that they are liked found to be at least as important as actually being liked
Interviews conducted among ethnically and socio-economically diverse 13- and 14-year-olds found that teens who felt good about their social standing did well over time, regardless of their actual popularity.

JCI online early table of contents: May 15, 2008
This release contains summaries, links to PDFs and contact information for the following newsworthy papers to be published online, May 15, 2008, in the JCI, including: Look to the future: new drug reduces one cause of vision loss; Genetic mutation causes seizures and an irregular heartbeat; The protein NPC1 polices macrophage cholesterol traffic; Mouse model might help individuals with the genetic disorder Costello syndrome; Turn off gene regulators to tune in to development; and others.

Pioneering landscape-scale research releases first findings
The May issue of the Canadian Journal of Forest Research presents the preliminary findings of 23 scientists involved in one of the first landscape-scale experiments on how forest management affects western Ponderosa pine ecosystems.

AUA 2008: Carbon-coated nanomagnets as potential hyperthermia agents
Carbon-coated nanomagnets may offer a new form of cancer treatment.

HIV infection stems from few viruses
A new study reveals in unprecedented detail the genetic identity of versions of HIV responsible for sexual transmission.

Having less power impairs the mind and ability to get ahead, study shows
New research appearing in the May issue of Psychological Science, a journal of the Association for Psychological Science, suggests that being put in a low-power role may impair a person's basic cognitive functioning and thus, their ability to get ahead.

AUA 2008: Maxi-K gene transfer may prove to be safe and effective erectile dysfunction treatment
Maxi-K gene therapy may be a safe and effective future option for men whose erectile dysfunction is not treatable with oral therapy.

Mastectomies on the rise and MRI use may explain part of the trend, say Mayo researchers
The number of women undergoing mastectomy for early-stage breast cancer has increased in the last three years at Mayo Clinic in Rochester.

Partnership of academic centers and community hospitals effective model for disseminating advances
A quality-control audit of community hospitals associated with Fox Chase Cancer Center in Philadelphia suggests that a partnership between a major academic cancer center, where most new treatment protocols are created, and community hospitals, where most care is provided, is a highly effective model for quickly and effectively disseminating advances in cancer treatment.
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