Researchers have discovered that injecting herpes simplex virus vectors can deliver neurotrophic factors to damaged nerves, improving intracavernous pressure in rats. This concept could translate to humans, enabling gene therapy as a prophylactic treatment for men undergoing radical prostatectomy.
A study evaluated online resources for breast cancer clinical trials in Canada, finding that only 29% were listed. The US National Cancer Institute's PDQ Clinical Trials Database identified 86% of trials globally.
A team of scientists has identified a cancer-causing gene in childhood kidney tumors, which may lead to more precise diagnoses and effective treatments. The discovery was made using molecular tests on tumor cells from patients with papillary renal cell carcinoma, a disease difficult to treat due to its unclear molecular origins.
In a groundbreaking study, researchers discovered that wood mice employ a sophisticated navigation system involving 'portable signposts'. These signs, created by moving small objects, help the mice orient themselves and efficiently explore their home-ranges. The findings provide new insights into the complex behavior of non-human species.
A study of 10 young children with SARS found that they exhibited milder symptoms such as cough and runny nose, unlike teenagers who showed symptoms similar to adults. The clinical course was also shorter and less aggressive among younger patients.
Researchers found that consuming sesame oil as the sole cooking oil for 60 days lowered patients' blood pressure levels from 166/101 mm Hg to 134/84.6 mm Hg, with a reduced dose of nifedipine from 22.7 mg/day to 7.45 mg/day. The effect may be attributed to polyunsaturated fatty acids and sesamin in sesame oil.
Researchers have purified Wnt protein, a potent trigger of development and cell proliferation, to activate blood-forming stem cells. The discovery offers novel ways to enhance stem cells for cancer patients whose immune systems are compromised by chemotherapy.
A study found that regular physical activity, especially brisk walking, significantly reduces the risk of cardiovascular disease and death in men with diabetes. Diabetic men who were in the third highest category of total physical activity reduced their risk by 36 percent.
Researchers found that oxytocin and estrogen receptor genes play a crucial role in social recognition in female mice. Female mice lacking these genes failed to recognize normal females after repeated introductions, indicating a 'micronet' necessary for complex behavior.
A Pittsburgh study reveals that thunderstorm-related deaths predominantly occur among males, with 70% of fatalities attributed to males. The majority of these incidents involve flash floods or lightning strikes while driving, playing sports, or engaging in outdoor activities.
Researchers discovered the GARS gene responsible for Charcot-Marie-Tooth disease type 2D and distal spinal muscular atrophy type V, providing insights into neurological diseases. The study may lead to new treatment approaches and a better understanding of peripheral nerve diseases.
A new predictive system identifies two DNA polymorphisms that distinguish between HBV-positive patients who respond well to lamivudine treatment and those who develop resistance. The study's findings have significant implications for the treatment of chronic hepatitis B, potentially saving millions from liver disease and cancer.
A new evidence-based protocol has been shown to significantly improve healing rates and reduce costs for people with venous leg ulcers. The study found that by standardizing assessment and follow-up care, nursing teams can deliver more effective and less expensive care.
UCSD researchers found that the Staph protein SpA triggers a pre-emptive attack on B cells, leading to their death and preventing them from developing memory cells. This process may explain why staph infections are common and recurring. The study's findings have potential applications in treating autoimmune diseases and cancers.
Researchers linked poorly controlled hypertension with a higher risk of depression in patients. The study highlights the importance of treating depression to prevent poor blood pressure control and related health risks.
The American Psychiatric Association and AstraZeneca have launched an international awards programme to support young psychiatry researchers working in the fields of bipolar disorder and schizophrenia. The programme aims to provide vital career development support to help advance innovative research and treatment options for patients.
Women who placed more importance on life goals showed higher levels of natural killer cell activity, and writing about a stressful event was not associated with changes in immune activity. The study aims to uncover the ways in which finding meaning influences the immune system.
A study by Alan Cassels and colleagues analyzed newspaper coverage of 5 different prescription drugs in 24 Canadian newspapers. The findings showed that a majority of articles failed to mention potential side effects or harms, while only a small minority provided quantitative information on benefits and harms.
In a study, mice fasted every other day had lower blood glucose and insulin levels than control or calorically restricted groups. Meal-skipping also improved nerve cell resistance to neurotoxin injury, suggesting potential benefits for neurological disorders such as Alzheimer's disease.
Researchers at Spin Master Toys developed a new bubble solution that can last for weeks, thanks to a strengthening polymer. The 'Catch-A-Bubble' product uses a combination of soap and water to create long-lasting bubbles that can withstand evaporation.
A survey of international medical graduates who applied to the CaRMS match found that almost half (49.2%) would prefer to practice in communities with a population of less than 100,000 people. However, only 7.8% would choose rural areas with populations under 10,000.
TSRI scientists have identified rare genetic mutations in the TLR4 gene that increase susceptibility to meningococcal sepsis, a devastating disease with a 12% case fatality rate. The study suggests that individuals with these mutations may be protected from severe sepsis through prophylactic treatment.
The SLAC experiment has discovered a new subatomic particle called the Ds (2317), which combines a charm quark with an anti-strange quark. This unusual configuration has unexpected properties that will provide insight into the force binding quarks together, challenging current understanding of quark forces.
Researchers at University of Toronto have developed a material that converts electrical current into photons, holding promise for directly linking computers with networks transmitting information in light. The study demonstrates the conversion of electrical current into light using a promising class of nanocrystals, paving the way for ...
Researchers have created a colony of mice that can fight off aggressive cancer cells, shedding light on a previously unrecognized mechanism of host resistance. The discovery may hold promise for developing better therapies or prevention methods against cancer in humans.
The US Physics Olympiad team consists of 24 high school students from 14 different states who were selected to compete in the International Physics Olympiad. The team will undergo a week-long physics 'boot camp' and attend lectures by prominent scientists before traveling to Taipei, Taiwan for the competition.
Scientists at University of Maryland Biotechnology Institute developed a new vaccine using recombinant DNA technology to protect fish against infectious pancreatic necrosis virus. The vaccine, composed of hollow virus-like particles, demonstrates a resistance potential against the disease and has shown promising results in experiments.
A multi-center study analyzing 2,056 prostate cancer patients found that metastatic disease carries a significant mortality rate and incurs substantial healthcare expenses. Patients with metastatic disease had ten times the death rate of those with localized disease, with $13,650 more in annual healthcare costs.
Researchers at Stanford Medicine have successfully isolated a key protein that helps maintain the youthful state of hematopoietic stem cells. The discovery, led by Irving Weissman and Roeland Nusse, reveals how this protein, Wnt, triggers stem cell division and expansion.
A study by Dr. Jeanne Moore and Tracey Crosbie found that homeworkers in professional occupations tend to find the experience more rewarding, while those with young children struggle to balance home and work responsibilities. The researchers also discovered that men and women have different experiences of homeworking.
Researchers discovered that specific p53 mutations facilitate androgen-independent growth in human prostate cells, while another gene, Id-1, promotes tumor aggressiveness. These findings could lead to new therapeutic strategies for hormone-independent prostate cancer.
A new study found that many fig wasp species are cryptic, meaning they are genetically identical but belong to different host fig species. This challenges current ideas about the stability and evolution of mutualisms, strengthening other critical parts of modern evolutionary theory.
Researchers discovered that PERK enzyme is a key regulator of protein synthesis in humans, leading to growth retardation, skeletal abnormalities and diabetes. Treatments targeting IGF-1 may offer therapeutic interventions for diseases like Wolcott-Rallison Syndrome.
The BP1 gene is found to be active in 57% of Caucasian women and 89% of African American women with breast cancer. Gene therapy targeting BP1 may help treat non-hereditary breast cancer, which accounts for 95% of cases.
A recent study published in Malaria Journal found that current funding for the Roll Back Malaria movement is less than 7% of what is needed to achieve its goals. The authors recommend increasing aid and implementing more transparent reporting by donors to ensure the project's success.
Researchers have developed new diagnostic tools to assess injury risk in wheelchair users, measure hand movement, and improve tinnitus rehabilitation. A computerized glove and instrumented globe system enhance hand-function assessment and shoulder rehabilitation, while shock-absorbing prostheses promote active lifestyles for amputees.
Researchers at EMBL and Harvard have discovered that hemochromatosis, a common inherited disease, is linked to liver issues rather than intestinal problems. The study found that the defective gene Hfe affects hepcidin production in the liver, leading to iron overload.
Researchers at Georgia Institute of Technology are developing computing systems that mimic human brain function using lab-grown neurons. The team has created a robotic device called Hybrot, which moves based on brain signals from rats, aiming to advance prosthetic limbs and self-driving cars.
A Fulbright scholar will study nano-sized polymer magnetic complexes at the University of Western Australia. The research aims to develop new technologies for localizing high concentrations of drugs at a tumor site, potentially reducing extreme side effects with systemic cancer therapies.
The American College of Preventive Medicine recommends widespread screening for chlamydia in high-risk populations due to its high prevalence and asymptomatic cases. Effective screening can lead to timely diagnosis and treatment, reducing the risk of pelvic inflammatory disease and other long-term complications.
A study of 589 postmenopausal women found a significant association between menopause and sleep-disordered breathing. Additionally, researchers discovered that statin use can significantly reduce tissue rejection and improve pulmonary function in lung transplant patients. These findings highlight the importance of evaluating sleep-diso...
A new study suggests that type 1 diabetics can develop insulin resistance, increasing their risk of heart disease. Insulin resistance occurs when the body fails to use insulin properly, leading to high blood sugar levels and a greater risk of cardiovascular events.
Researchers studied 987 patients and found that those with multiple potential causes of syncope died earlier than those with a single cause. The study identified predictors such as older age, atrial fibrillation, and cardiac medication use.
Researchers have developed microgel polymer beads that can be engineered to break apart in acidic conditions, releasing vaccine antigens on the surface of immune cells. This technique avoids destroying protein antigens with stomach acids, making it a promising approach for future vaccines and gene therapy.
Elderly alcoholics with marital and partner relationship difficulties are at increased risk of suicide. Researchers also found that medically serious suicide attempters with alcoholism often have mood disorders and financial difficulties.
Researchers successfully transplanted adult stem cells into mice, which then developed into various brain cell types, including nerve cells and glial cells. This breakthrough study suggests that these cells can potentially be used to treat neurodegenerative diseases such as Parkinson's and Alzheimer's.
Researchers will test semi-autonomous, interactive robots in a simulated disaster environment. The goal is to develop robots that can autonomously navigate and find victims by 2050.
The study found that the GlucoWatch Biographer improved diabetes control in children by detecting hypoglycemia more frequently and reducing average HbA1c levels. The device was well-tolerated, with only one subject experiencing a mild skin reaction.
Researchers at Carnegie Institution and Stanford University used green fluorescent protein tagging to observe microtubule formation and movement in living plant cells. They found that most new microtubules are born at multiple sites directly at the cortex, and migrate around by growing at their leading ends.
Researchers at Cardiff University discovered that inflating urinary catheters with a solution of triclosan inhibits the formation of crystalline biofilm, preventing blockages. The method could have practical applications in controlling catheter encrustation and treating urinary tract infections.
Exclusive breastfeeding rates increased by 33% with counselling, while diarrhoea decreased by a third at three months and 15% at six months. No negative impact on infant growth was observed in either group.
Researchers at Stanford University have witnessed the birth and growth of individual microtubules in plant cells, discovering a unique process called treadmilling. This process involves the addition and removal of protein subunits from the microtubule ends, leading to its movement across the cell.
Researchers have made a significant discovery about the role of hydrogen peroxide in cellular signaling, which could lead to new avenues for cancer research. The study found that hydrogen peroxide plays a key role in signaling cells to divide or die, with potential applications for anti-cancer therapies.
Researchers at Purdue University have determined the age of a fossilized skeleton found in South Africa to be approximately 4 million years old. This finding could mean that hominids such as Australopithecus were present in southern Africa earlier than previously thought.
A study by the Wildlife Conservation Society reveals that increased robusta coffee production has led to widespread deforestation in Indonesia's lowland forests. As a leading consumer of robusta coffee, the US can play a key role in halting this wave of deforestation by reasserting itself as a strong member of the International Coffee ...
A minimally invasive esophagectomy procedure has been shown to improve survival rates and reduce hospital stays for patients with esophageal cancer. The study, which evaluated 221 patients, found that median hospital stays were seven days compared to over 10 days for open procedures.
A University of Pittsburgh study examines the effects of gastric bypass surgery on type 2 diabetes in 1,150 patients over a five-year period. The results show that diabetes resolves after an average of 62 days following surgery, with patients experiencing significant weight loss and improvement in glucose levels.
Researchers have found that green tea polyphenol EGCG can reactivate dying skin cells, accelerating their growth and differentiation. This could lead to new treatments for skin diseases and wounds, such as aphthous ulcers and psoriasis.
Research suggests that undernutrition in pregnant women can lead to premature birth, with fetuses having accelerated adrenal gland maturation and premature delivery. Despite this, lambs born prematurely were not underweight or small for their gestational age.
The Department of Energy has awarded $9 million to IBEA, led by J. Craig Venter, to study microorganisms in the Sargasso Sea and explore their potential for producing hydrogen and reducing carbon dioxide emissions from energy sources like petroleum and coal.