A study led by a nursing professor is evaluating the effectiveness of telephone-based interpersonal psychotherapy for treating postpartum depression. The trial involves trained nurses providing therapy to clinically depressed women in remote areas with limited access to mental health services.
Researchers at Johns Hopkins have discovered a link between the BACE1 enzyme and schizophrenia-like behaviors in mice lacking this enzyme. The study found that these mice exhibited deficits in social recognition and other schizophrenia-like traits, which improved with treatment with antipsychotic drug clozapine.
A study found that young Europeans drink and take drugs as part of deliberate sexual strategies. A third of males and a quarter of females reported using substances like cocaine, ecstasy, or cannabis to enhance sexual arousal or prolong sex. However, these behaviors were linked to increased risk-taking and regretful experiences.
Researchers at TU Delft have mapped the process of light passing through small holes, promising a significant improvement in Terahertz microscopy and microspectroscopy. The study confirms the Bouwkamp model and reveals that sufficient light can pass through even tiny holes, enabling measurements near the hole.
Researchers have developed a new computational method to reconstruct viral populations with improved accuracy and efficiency. This method, based on pyrosequencing, reduces error rates and yields faster results at a lower cost.
Researchers found a small protein secreted by some fungal strains can suppress tomato disease resistance genes, but a third gene targets this protein, rendering the plant fully immune. The study provides a new strategy for durable disease control based on resistance gene combinations.
OSU researchers received grants for projects with potential for commercially successful products, including noise-reducing aircraft composites and biosensors detecting objects like DNA and pesticides. The funding aims to accelerate technology development through collaboration between businesses, universities, and non-profit organizations.
A microarray screening study revealed significant gene expression changes in adult human joint cartilage after injury. The study identified the Wnt-16 signaling pathway as a key player in the molecular response, which may be relevant to osteoarthritis progression.
The ASSIST training programme, which involves training influential students to promote anti-smoking messages, has been shown to reduce smoking rates among teenagers. The programme was effective in achieving a sustained reduction in uptake of regular smoking in adolescents for two years after its delivery.
Researchers found that diversified, low-external-input farming systems can achieve high crop yields and profitability while reducing synthetic fertilizer and herbicide use. The study's results suggest that large reductions in agrichemical use are compatible with high crop yields and profits.
A team of scientists led by Iain Couzin found that cannibalistic interactions are responsible for locusts' collective motion. The behavior, observed in immature locusts, leads to the formation of large mobile groups called bands that devour vegetation and eventually precede flying swarms.
Researchers at the OU Cancer Institute have identified a new gene called RBM3 that causes cancer. The gene is vital for cell division in normal cells but leads to increased tumor formation when overexpressed in cancerous cells.
Researchers create reproducible and controlled fabrication method for integrating nanowire photonic and electronic integrated circuits onto silicon, enabling standard manufacturing settings.
Researchers developed a genetic model of LQTS that mimics human arrhythmia, revealing underlying mechanisms and potential therapeutic targets. The study could lead to the development of new treatments for fatal arrhythmias, particularly in pre-menopausal women who are more sensitive to certain medications.
A new delivery technique using skin flaps and gene therapy reduces tumor volume by 79% in rats. The treatment allows for the production of therapeutic proteins directly at the tumor site, avoiding liver damage caused by traditional intravenous administration.
A study published in Arthritis Care & Research reveals that obese patients undergoing revision total hip arthroplasty (THA) are at a higher risk of complications, including surgical site infections and dislocations. The research found a strong correlation between obesity and adverse events after revision THA.
Scientists at Emory University's Winship Cancer Institute discovered a new regulation mechanism in breast cancer cells responding to estrogen. The study found that methylation on estrogen receptors prolongs their life and effectiveness in driving tumor growth.
The new vaptan drug class has shown promising results in treating conditions such as painful periods, brain hemorrhage, and psychotic disorders. The drugs target the vasopressin hormone system, inducing water loss without mineral salt loss, to treat various health issues.
A carotid bruit, a 'sound' over the carotid artery indicating blockage, substantially increases the risk of cardiovascular death and heart attack. The meta-analysis of 22 studies found patients with carotid bruits were around twice as likely to suffer a heart attack.
A study by Columbia University's Mailman School of Public Health found that four-year-olds with older siblings are more likely to experience respiratory symptoms such as wheezing. Children with at least two older siblings were 50% more likely to be hospitalized for breathing problems.
Researchers have developed a new MRI technique that combines high temperatures with hyperpolarized xenon to create a supersensitive diagnostic system. The method, called Hyper-CEST MRI, allows for faster and more selective imaging of specific target molecules, such as tumors in human subjects.
Researchers suggest adopting apoptosis to restructure businesses, eliminating malfunctioning processes. This approach can prevent commercial decay and protect organizations from demise.
Human cytomegalovirus (HCMV) uses a viral protein to modify tumor-suppressing proteins in human cells, evading cellular control and leading to uncontrolled cell growth. This discovery provides new insights into how viruses cause cancer and could lead to potential treatments.
Researchers explored the critical role of piezoelectric materials in advancing technology, leading to breakthroughs in cell phone technology and ultrahigh resolution ink-jet printing heads. The study highlights the potential applications of PZT thin film materials for various devices, including motion sensors and optical mirrors.
Two UM students, Rachel Silverstein and Nitzan Soffer, receive prestigious NSF fellowships for their doctoral work on coral reefs. The lab is led by Dr. Andrew Baker, a pioneer in developing techniques to enhance coral thermal tolerance.
A consortium of scientists including CSHL's Gregory J. Hannon report findings about mammalian evolution gleaned from comparative study of small-RNA function in platypus, revealing unique characteristics such as egg-laying and venom delivery. The platypus genome also shows conserved small-RNA roles across species.
The Center for Translational Injury Research will focus on new medical technologies to improve diagnosis, care, and survival of trauma victims. Researchers aim to tackle pressing issues like brain injuries, bleeding patients, and regenerative medicine in skin replacement therapy.
The U.S. Geological Survey is investigating the cause of thousands of bat deaths in the northeastern US, with most affected species showing signs of emaciation and poor body condition. Environmental samples have been collected to determine if toxicants or secondary microbial pathogens are contributing to the illness.
Researchers argue that male circumcision and reducing multiple sexual partners are more effective HIV prevention strategies than condom promotion, HIV testing, and other approaches. Studies have shown significant reductions in HIV risk with these interventions, particularly in west Africa and Uganda.
A new study emphasizes that six-month short-interval follow-up examinations can accurately detect cancers in patients with 'probably benign' breast lesions, resulting in high sensitivity. This approach avoids unnecessary biopsies and ensures timely cancer detection.
The updated GREET model allows researchers to simulate new fuel pathways, including ethanol from Brazilian sugarcane and bio-butanol production. The model also evaluates the energy consumption required for producing aluminum in sport utility vehicles.
Researchers identified pigment-binding protein CP29 as a valve regulating excess solar energy during photosynthesis. The study suggests that ambient pH levels can control the dimmer switch's opening and closing, with implications for designing artificial photosynthesis systems.
The study found that long-term etanercept therapy resulted in significant improvement in joint symptoms, functional ability, and pain reduction for children with JRA. The treatment demonstrated safety comparable to other rheumatic disorders, offering hope for a better quality of life as adults.
A study published in INFORMS journal Interfaces found that US polar bear research is flawed due to inadequate forecasting methodologies. The researchers concluded that the studies do not adequately support assumptions about sea ice changes and polar bears' ability to adapt, making it difficult to justify listing the species as endangered.
A national study of Asian adults found that strong ties to ethnicity can both protect against and worsen the negative effects of racism. For those born in the US, a strong ethnic identity in their 40s can counteract discrimination's impact, while those above 50 may experience increased distress due to stress management.
A study published in Biological Psychiatry used functional magnetic resonance imaging (fMRI) to match treatments for patients with generalized anxiety disorder. The researchers found that approximately two-thirds of patients experienced relief from their anxiety symptoms after treatment.
Researchers at the University of Western Ontario have received $10.5 million in funding to study a protein that may control regeneration in spinal cord injuries. The discovery aims to understand how scar tissue inhibits nerve growth and develop effective treatments for the estimated 12,000 annual spinal cord injuries in Canada and the US.
A study published in The Lancet found that free antiretroviral therapy in Malawi led to a significant reduction in adult mortality, particularly among adults aged 15-59 years. Mortality rates declined by 10% overall, with an even greater drop of 35% observed in areas near the main road where pre-ART mortality was highest.
The American Society of Hematology has selected 15 minority medical students for its 2008 Minority Medical Student Award Program. The program provides research mentorship, career development support, and travel stipends to attend medical meetings.
A University of Missouri scientist discovered a mechanism in bread mold that 'silences' unmatched genes during meiosis, protecting the organism from genetic abnormalities. This process, known as MSUD, could have applications in pharmaceuticals and agriculture by precisely targeting unwanted genes.
A new study reveals that diet and lifestyle are not the only factors influencing blood protein levels, with genetics playing a significant role. The study identified variations in genes associated with key proteins like HDL cholesterol and interleukins, which play roles in inflammatory diseases.
The US FDA has seen an 800% increase in new counterfeit cases between 2000 and 2006. Antimalarials are a particular target for counterfeiters, flooding the market in many Asian countries. Collaborative approaches involving governments, industries, and international organizations can help combat counterfeiting.
A novel gas sensor system based on diffusion principle enables large-scale monitoring of CO2 concentrations over areas. The system replaces multiple sensors, reducing costs and improving data accuracy for environmental remediation, landfill monitoring, and indoor air quality.
Magnet Lab researchers develop two new biosensors to monitor cellular dynamics and expand optical microscopy capabilities. The new technique enables the observation of two dynamic processes in a single cell for longer periods, speeding up experiments and advancing tumor and developmental biology research.
Researchers found that darapladib safely and effectively lowers Lp-PLA2 activity, an enzyme associated with inflammation and increased risk for heart attack and stroke. The drug may reduce plaque inflammation and lower rates of clot formation among patients with coronary heart disease.
The American Pain Society has expanded its low back guideline to include recommendations on surgery and interventional treatments for chronic pain. The new guidelines suggest that epidural stenosis injections may be an option for short-term pain relief, while other procedures have limited evidence supporting their benefits.
A Northwestern University study has discovered that multicellular organisms respond to stress in an integrated manner, with two specialized neurons controlling the response of individual cells. This finding challenges the long-held assumption that cells within a multicellular organism respond individually to stress conditions.
Researchers used a neutral model to predict fish diversity in the Mississippi-Missouri River System, demonstrating its potential for analyzing complex systems. The approach, which assumes functional equivalence among species, provides new insights into biodiversity patterns and their relationship with environmental change.
Research using a rat model of intrauterine growth retardation found reduced Pdx1 expression in pancreatic beta-cells throughout life following IUGR. The molecular mechanisms affecting Pdx1 expression were reversible in the fetus and after birth, but irreversible in adulthood, providing new insight into diabetes development.
Researchers found that using a cane significantly reduced the peak knee adduction moment, alleviating destructive load on affected knees. The study suggests that canes may be an effective short-term solution for knee OA patients.
Researchers found that slow fetal growth is linked to an increased risk of developing type 2 diabetes in adulthood. They also identified a new gene mutation associated with sudden cardiac death in humans. The study used rat models and human tissue samples to understand the mechanisms behind these diseases.
A recent study found that walking therapy for stroke survivors is significantly more effective when conducted by a physical therapist, improving walking speed and symmetry. Human-assisted interventions allow for patient error and harder work, leading to better outcomes.
The National Center for Atmospheric Research (NCAR) has installed a new IBM supercomputer called Bluefire, which will accelerate research into climate change and severe weather events. The system, with a peak speed of over 76 teraflops, is expected to rank among the world's top 25 most powerful computers.
Researchers at Michigan State University have developed a method to create specific rare isotopes for scientific research, opening doors to new technologies. This capability promises to advance fields like biomedicine, international security, and nuclear energy.
A study using fMRI scans found that people prioritize equity over efficiency in allocating donations, with the brain responding differently to both. The insula region was activated by changes in equity, while the putamen responded to efficiency, with the caudate integrating both factors after a decision was made.
The Monte Verde site in southern Chile provides conclusive evidence of the earliest known human settlement in the Americas, dating back to 14,220 years ago. The discovery supports the theory that early migrants followed the Pacific Coast and confirms the peopling of the Americas was a slower process than previously thought.
Researchers have mapped nucleosome organization along genes in Drosophila melanogaster, revealing a critical stop sign for transcription. This discovery highlights the importance of nucleosomes in regulating gene expression and has implications for developing effective anti-viral drugs against HIV.
Foldit, a computer game, harnesses players' skills to predict protein folding, a crucial step in understanding biological mysteries. Researchers aim to identify 'protein-folding prodigies' who can speed up the process and potentially find cures for diseases like HIV.
Researchers found that antidepressant medications increased natural killer cell activity in HIV-infected women with and without depression. The study suggests a potential link between antidepressant treatment and improved innate immunity, which could delay HIV disease progression.
A phase III pivotal study showed VYVANSE significantly improved ADHD symptoms in adults, including inattention and hyperactivity. The medication provided a 43% reduction in ADHD Rating Scale (ADHD-RS-IV) scores and was associated with a 60% improvement rate on the Clinical Global Impressions-Improvement (CGI-I) scale.
Research presented at the American Pain Society annual meeting found that less than 3% of patients with no history of drug abuse who are prescribed opioids for chronic pain will show signs of possible drug abuse or dependence. Most chronic pain patients do not rely on drugs as a sole solution, and multi-faceted treatment involving phys...
Researchers developed a device to measure complex ultrashort light pulses in space and time at the focus of lenses, addressing distortions caused by optical components. The SEA TADPOLE system uses interferometry to determine pulse shape and intensity changes in space and time, enabling accurate correction for aberrations.
A study found that young Australian women would accept age-based chlamydia screening, but prefer it be offered universally, rather than based on their sexual history. The researchers suggest that detailed sexual history should not be required before testing women for chlamydia to improve screening rates and reduce stigma.
The American Society for Neural Therapy and Repair (ASNTR) has awarded neuroscientist Paul M. Carvey for his groundbreaking research on Parkinson's Disease, while recognizing patient advocate Joan Samuelson for her tireless advocacy efforts.