Researchers found a new approach to treating chronic and debilitating neuropathic pain by blocking the alpha9alpha10 nicotinic acetylcholine receptor. The study suggests a previously unrecognized molecular mechanism for treating this condition, which affects hundreds of millions of people worldwide.
A new method of measuring forest cover considers volume, biomass, and captured carbon, showing a growing trend in most countries. Richer nations with higher GDP per capita tend to have more forested areas, biomass, and carbon.
A study of over 2,000 kidney transplant patients in the Netherlands found that obese individuals were twice as likely to die within the first year or experience graft failure. This is attributed to a higher incidence of infections and fatal heart conditions among obese patients.
Researchers at Johns Hopkins Medicine have successfully grown and implanted adult pig stem cells to repair damaged heart tissue after a lab-induced heart attack. The study demonstrates proof of principle for using cardiac stem cell therapy to regenerate infarcted heart muscle and restore heart cell function.
The Polarstern ship will conduct the first major biological research in an uncharted area of the Antarctic Peninsula, studying living communities from microbes to whales. The expedition aims to understand the impact of global warming on ice shelves and sea level rise.
The 2006 AAAS Science Journalism Awards honored exceptional science reporting on Alzheimer's disease, climate change in the American West, and crop research. Winners included Stacey Burling for her story on Alzheimer's and Michelle Nijhuis for her series on climate change.
Researchers use mouse model to demonstrate how a clock oscillator regulates cell signaling and periodic expression of genes involved in spine formation. The study identifies novel genes associated with segmentation clock oscillator and their potential link to human diseases such as congenital scoliosis.
Scientists discover plant-derived triterpenoids and rexinoid LG100268 significantly reduce tumor growth in mice, offering potential future chemoprevention methods. The compounds inhibit inflammation and induce apoptosis in human lung cancer cells, presenting a promising avenue for preventing lung cancer.
Research suggests that women in their first pregnancy with placental malaria are three times more likely to develop preeclampsia. High levels of sVEGFR1 and VEGF were found in these mothers, indicating a conflict between the mother's and fetus's immune responses.
A new study by Children's Hospital Oakland Research Institute shows that a mother's diet during pregnancy can affect the health of her grandchildren by changing the behavior of a specific gene. The research involved mice fed with or without nutritional supplements, which resulted in changes to their coat color and obesity levels.
A survey of 9,000 people in eight countries found that 57% of Americans and 47% of Canadians consider post-9/11 anti-terrorism laws to be intrusive. The study also reveals cultural differences in attitudes towards surveillance and personal data, highlighting the need for public education and organizational accountability.
A new study by Saint Louis University researchers reveals that people with sleep apnea are at a higher risk for ventricular premature contraction, a type of irregular heartbeat that can be fatal. The study found that sleep apnea exacerbates the condition, especially during REM sleep, and may lead to sudden death if left untreated.
A Canadian study found that flu vaccines are associated with a small but increased risk of hospitalization for Guillain-Barré syndrome, a potentially debilitating neurological disorder. The absolute risk is very low, and the disorder affects about one in 100,000 individuals per year.
Researchers at UT Southwestern Medical Center discovered that tiny RNA molecules, called microRNAs, play a significant role in causing heart enlargement and increasing the risk of heart failure. By manipulating these microRNAs, it may be possible to treat heart disease.
A study reveals that younger stroke survivors (under 65) struggle with accessing physicians and affording medications due to lack of health insurance. These individuals are at higher risk for recurrence and increased long-term healthcare utilization.
A recent study by the University of Toronto found a statistically significant link between TV viewing and physical inactivity in Canadian adolescents. The study, which tracked over 7,982 participants aged 12-19, revealed that more hours spent watching TV were associated with less energy expended on physical activity.
The National Institute of Mental Health is funding five new projects to investigate the relationship between antidepressant medications and suicidal thoughts or actions. Studies will analyze data from various sources, including the FDA, VA, and Medicare records, to determine the effectiveness of different depression treatments in reduc...
A study published in CANCER reveals that adolescent and young adult cancer patients value social connections with peers as a high priority, contrary to physician beliefs. Researchers found that meeting other young people who share a common experience helps address concerns such as coping with uncertainty and body changes.
ABT-737, a BH3 mimetic, targets Bcl-2 proteins to induce apoptosis in cancer cells. The treatment has shown effectiveness against acute myeloid leukemia (AML) cells and can be combined with MCL-1 inhibitors for improved results.
Researchers used fruit flies to study the genetic basis of species differences, finding that small changes in control regions of genes can result in morphological differences and potentially even the creation of a new species. The study highlights the importance of regulatory sequences in gene evolution.
Researchers at Yale School of Medicine found that hospitals using six specific strategies have faster door-to-balloon times, resulting in better patient outcomes. These strategies include activating the catheterization laboratory and having real-time data feedback for staff.
The MEDAL trial found that etoricoxib and diclofenac have similar heart attack and stroke rates, but different side-effect profiles. Etoricoxib reduces gastrointestinal bleeding risk but may increase cardiovascular events.
A study of healthy women has found that stress-related cortisol administration can reduce fatigue and increase vigor. The research may help fine-tune treatments for illnesses linked to low cortisol levels, such as chronic fatigue syndrome and post-traumatic stress disorder.
A team of researchers is using data from the 2001 census to build a model of the UK population, which will be used to test the consequences of different demographic trends and policy decisions. The model can be projected into the future to explore how different scenarios may play out.
A study found that enhanced caregiver support and counseling delayed nursing home placement by 1.5 years, improving caregivers' tolerance for patient behavior and increasing satisfaction with social support. This intervention could potentially save $90,000 per patient in nursing home care costs.
A new report suggests that adolescents make decisions based on weighing risks and benefits, similar to economists' ideal, but also relying on intuitive reasoning. This challenges the common notion of adolescents being reckless and impulsive.
Researchers found that pioglitazone reduced carotid artery intima-media thickness by .001 millimeters and improved blood glucose control, while increasing HDL cholesterol levels. These findings suggest pioglitazone may be a new approach to further reduce cardiovascular risk in patients with type 2 diabetes.
Researchers at New York University are developing molecular delivery vehicles to transport nucleic acids into cells. Their work aims to silence genes improperly produced through RNA interference, with potential applications in genetic therapies.
A new task for IgG has been discovered, helping cells capture germs and dispose of them. The antibody aids in the formation of phagolysosomes that kill off invading microbes.
A new clinical trial, CHICAGO, demonstrated that pioglitazone (ACTOS) reduced the progression of carotid intima-media thickness (CIMT), a surrogate marker for heart attack and stroke, by 0.013 mm. The study also showed improved glycemic control, decreased triglycerides, and increased HDL-C levels with ACTOS treatment.
A new drug-antidote combination has been shown to be safe in its first clinical trial, offering a potential 'on-off' switch for controlled anticoagulation. The treatment targets human coagulation factor IXa and rapidly reverses the anticoagulant's effects.
Researchers propose a new model for targeted cancer therapy, suggesting that disruption of cell signaling pathways leads to cell death. This could lead to more effective treatment strategies and personalized cancer treatment.
Patients with ankylosing spondylitis who received Enbrel treatment experienced sustained improvements in signs and symptoms, spinal mobility, and physical function over 148-160 weeks. A total of 78% of patients achieved a 20% improvement in the Assessment on Ankylosing Spondylitis Response Criteria (ASAS) after 160 weeks.
The March of Dimes and the Johnson & Johnson Pediatric Institute launched a three-year Prematurity Prevention Initiative in Kentucky to test bundling proven interventions and reduce preventable preterm births. The initiative aims to provide expectant mothers, families, and healthcare professionals with comprehensive support and education.
A pharmacy care program for elderly patients increases medication adherence, resulting in improved health outcomes. The study found that the program was associated with significant improvements in systolic blood pressure and sustained medication adherence.
Scientists have developed an inexpensive gene chip test that can detect H5N1 infections with high accuracy, providing a significant advantage over existing tests. The MChip has the potential to revolutionize laboratory testing for influenza, enabling rapid and accurate identification of flu viruses, including avian influenza H5N1.
Testing preterm children's eyes at 2.5 years of age may help identify those who will develop vision problems by age 10. The study found that refractive errors, including astigmatism and anisometropia, were more common in preterm children than full-term children.
Researchers have used a new type of light microscope to visualize the distribution of H2AX proteins in the cell nucleus, revealing clusters that direct DNA repair after damage. This discovery provides new insights into the complex process of gene repair and its relationship with other nuclear components.
Studies found that colorectal cancer screening rates are increasing among Veterans Affairs patients, while younger veterans with other illnesses may not benefit from screening and may even be harmed. Screening methods include fecal occult blood testing and colonoscopy.
A study by Jane Kim and colleagues suggests that introducing a once-in-a-lifetime screen for cervical cancer can provide opportunities to offer additional health checks, such as depression treatment and anemia screening. The optimal package of health services balances monetary limitations and personnel shortages, maximizing health bene...
A new study by Children's Hospital Oakland Research Institute shows that a pregnant mother's diet can affect the behavior of her pups and even their pups' coats, influencing offspring health for generations. The research uses mice with a unique gene linked to obesity and diabetes, suggesting similar human connections.
Researchers propose a new classification system for addictive drugs based on their effect on dopamine levels in the brain. This new classification may help in directing research towards more effective treatment of addiction.
A study by University of Illinois researcher Patrick Weatherhead found a direct correlation between the North Atlantic Oscillation and the decline in red-winged black bird population. The population decreased by 50% due to warmer, wetter winters in the southeastern United States.
A study found female budgerigars pair with males that sound like them, receiving more assistance during nesting. Males that mimic similar calls are also less aggressive and provide better support to females.
Researchers uncover that junk DNA can generate microRNAs, regulating protein production, contradicting previous assumptions. The discovery expands our understanding of functional genomics and sheds light on the mysterious role of non-coding sequences in human development and disease.
A recent study found that nearly half of newly diagnosed breast cancer patients exhibit clinically significant emotional distress, including symptoms of major depression and post-traumatic stress disorder. The most common sources of distress were related to the cancer diagnosis, treatment uncertainty, and physical problems.
Enbrel, a biologic treatment, demonstrates sustained improvements in rheumatoid arthritis symptoms over up to nine years. Patients showed significant reductions in joint pain, stiffness, and disability.
Researchers at the University of Rochester Medical Center have developed a new artificial cornea that improves vision in infants and children with cloudy or damaged corneas. The device shows promising results, restoring vision and eliminating the need for repeated surgeries and infections.
A new study indicates that boosted Invirase results in comparable levels of viral suppression as lopinavir, while also reducing the risk of elevated cholesterol and triglycerides. The treatment also showed fewer gastrointestinal adverse events compared to lopinavir.
A recent study found that individuals with higher levels of docosahexaenoic acid (DHA) in their blood had a significantly lower risk of developing dementia and Alzheimer's disease. DHA is an omega-3 polyunsaturated fatty acid found in fish, which appears to affect dementia risk and proper functioning of the central nervous system.
A new study examines the ecological impacts of commercial cockle dredging on intertidal ecosystems and finds that exploitation leads to a decline in a seabird species by 80%. The research reveals that even the birds' adaptable digestive system cannot save them from starvation due to degraded food conditions.
A comprehensive survey of nanotechnology workplace safety practices found that many companies and laboratories are using conventional EHS practices despite the potential for nanoparticles to pose specific environmental and health risks. The survey, conducted by Rice University's International Council on Nanotechnology, collected data f...
Researchers found that obstructive lung disease patients received only about half of the recommended medical care, with significant variations between asthma and COPD patients. The study estimates that improving care could save lives, such as by increasing oxygen treatment for COPD patients and steroid treatment for asthmatic patients.
UCLA scientists identified gene networks that correspond to specific brain regions in humans and chimps. The study found significant differences in the cerebral cortex region, where human-specific genes show changes at the DNA level. These findings support the theory that variations in DNA sequence contributed to human evolution.
Research found that men with periodontal disease had a 63% higher risk of pancreatic cancer, while those who reported recent tooth loss showed a 2.5-fold increase in risk. Obesity also impairs immune responses to vaccines.
A psychosocial support program for Alzheimer's caregivers has been shown to delay nursing home placement by an average of 1.5 years, according to a long-term study published in Neurology. This delay can result in significant cost savings for families, estimated at over $100,000 annually.
A new study by Duke University Medical Center researchers found that depression itself increases mortality risk in heart failure patients, not the use of antidepressant medications. The study analyzed over 1,000 depressed patients with heart failure and found a 15% higher death rate among those who were depressed.
Whole-heart MRI technology has advanced to detect heart disease more effectively, reducing motion blurring and improving image quality. The study found that the technique was accurate in detecting significant narrowing of coronary arteries in 87% of patients.
The new guideline aims to improve diagnosis and treatment of status epilepticus in children with epilepsy. It recommends considering anti-epileptic drug levels and performing an EEG to determine the cause of continuous seizures.
Researchers created a detailed genetic map of the mouse genome using two groups of mice, tracking over 10,000 SNPs to identify patterns of inheritance. The study found variations in recombination rates across the genome, between sexes, and identified sequence motifs that may be representative of recombination hot spots.
A study at the University of Illinois Chicago found that pioglitazone significantly slowed the thickening of carotid artery walls, reducing the risk of heart attack. The medication was shown to be effective regardless of age, sex, or diabetes duration.
A new study by University of Washington professors reveals that companies lose an average of 41% of market value after misconduct is reported. The largest monetary penalties suffered are the result of damage to a firm's reputation, with losses up to $3.08 for each dollar of inflated market value.
Researchers at the University of Illinois have developed a simple 'dipstick' test for detecting cocaine and other drugs using DNA-gold nanoparticle technology. The test is highly sensitive and selective, allowing for quick screening of individuals for various substances.
Renewable sources currently provide about 6 percent of all the energy used in the United States. Meeting the 25 percent renewable energy target for electricity and motor fuels together could reduce carbon dioxide emissions from fossil fuel combustion by 15% and displace 2.5 million barrels of oil consumption.
Researchers at Baylor College of Medicine found that immune system cells recruited from the body can cause muscle dysfunction leading to certain forms of heart failure. Treatment with serum amyloid P prevented the production of these fibroblasts and resulting fibrosis.
A study by HealthGrades found that bariatric surgery complication rates are high in some hospitals, with a mortality rate of 2 per 1,000. Five-star rated hospitals have significantly lower complication rates, and patients can find quality and cost information at HealthGrades.com
A peptide linked to anxiety is found to be overly plentiful in mice with Rett syndrome, suggesting a causal role in the disorder's anxiety-like behavior. This discovery may lead to new treatments for this symptom by targeting the CRH stress response.
Nuno Bandeira's award-winning protein analysis technique allows scientists to study highly modified proteins in snake venom, potentially leading to breakthroughs in drug development and cancer research. The technique surpasses current methods by providing a completely automated approach to identify amino acid sequences and modifications.
Researchers have discovered that mice with a mutated version of the MECP2 protein exhibit high levels of corticosterone, a stress hormone linked to anxiety and other symptoms of Rett Syndrome. The study suggests that blocking receptors for corticotropin-releasing hormone may reduce anxiety in individuals with RTT.
A geologist and his collaborator analyzed Lewis and Clark's data, finding the Missouri River has narrowed and its water levels have become more variable. This narrowing creates an increased risk of damaging floods, as well as fluctuations in day-to-day and seasonal water levels.
A significant association was found between higher red meat consumption and an increased risk of hormone receptor–positive breast cancer in premenopausal women. Women who consumed more than one and one-half servings of red meat per day had almost double the risk compared to those who ate three or fewer servings per week.
A panel of national experts has developed a plan to improve the use of imaging technologies in patients with cardiovascular disease. The proposed action plan focuses on four key aspects: selecting the best imaging technique for each individual patient, acquiring high-quality images, correctly interpreting the results, and communicating...