Bacteria of the Yersinia genus possess a protein thermometer called RovA, which measures temperature and metabolic activity to control infection. RovA activates genes for the infection process in suitable environments, while adapting to life within the host.
A lifestyle modification program for patients with mild to moderate COPD significantly improves health status, exercise capacity, and quality of life over a 2-year period. The program is also found to be cost-effective, despite initial higher costs.
A Boston University-led team has identified the structural basis of acetoacetate decarboxylase (AADase), a key enzyme in carbohydrate metabolism. The discovery corrects previous assumptions about enzyme structure and provides new insights into predicting enzyme functions, enabling the development of novel biofuels.
Research in mice and human stem cells identified specific new therapeutic targets for treating cancer, including a gene called Dscr1 that suppresses angiogenesis and tumor growth. The study suggests that people with Down syndrome may benefit from an extra dose of one or more cancer-protective genes.
A mathematical model predicts that face protection measures can significantly reduce the spread of influenza. The use of N95 respirators and surgical masks is effective in preventing the flu due to their filters that keep out 98% of the virus.
Physicians can play a leading role in achieving comprehensive health care reform by working towards payment and delivery system reforms that achieve 1.5% annual savings, covering all Americans. Reforms include integrated systems of care, innovative payment models and performance measures to promote care coordination.
A study of over 1 million radiology reports found that side discrepancy errors, incorrectly noting the side of a lesion, were clinically important and occurred more frequently in female patients. Radiologists should verify these errors, while physicians and patients must also collaborate to ensure accurate clinical management.
Researchers found that calcitriol, a form of vitamin D, reduced growth-factor-induced airway smooth muscle proliferation in cells isolated from both asthmatic and non-asthmatic individuals. This process, called airway remodeling, leads to reduced lung function over time if left untreated.
A study by HealthCore found that MS patients managed by a specialty pharmacy program were more compliant with their medications, resulting in a higher medication possession ratio of 86 percent. This led to a lower risk of hospitalization for the disease and reduced medical costs.
Researchers at MIT have developed robotic devices that help children with cerebral palsy improve their motor skills and reduce impairment. The therapy uses gentle guidance to rebuild brain connections, showing promising results in pilot studies involving 36 children.
Researchers at Queen's University Belfast have developed an eco-friendly way to dissolve wood using ionic liquids, a process that could transform into biofuels, textiles, and paper. The new method uses mild conditions of temperature and pressure, producing low toxicity and biodegradability.
The NIH has launched a new program to develop therapeutics for rare and neglected diseases, providing funding for preclinical research and product development. The program aims to stimulate research collaborations with academic scientists and improve the drug development process.
Researchers found that twins conceived through assisted reproductive technology (ART) have a higher risk of complications such as preterm birth, low birth weight, and death compared to spontaneously conceived twins. ART twins also require longer hospital stays and are more likely to be admitted to neonatal intensive care.
Research found that ghrelin hormone increases appetite and promotes the accumulation of abdominal fat, linked to higher blood pressure, type 2 diabetes, and metabolic syndrome. Ghrelin's twin action on the organism opens doors for future treatment of obesity.
Researchers from Heidelberg University Hospital have discovered that combining methylene blue with newer malaria medications is twice as effective in curbing the spread of malaria parasites than standard therapy. This new approach has significant implications for eradicating the disease, particularly among children under five who are m...
A recent study by Nancy Morrow-Howell and colleagues found that older adults' reported benefits from volunteering depend on the characteristics of the programs they participate in. Benefits included improved overall health, family well-being, and personal satisfaction.
A study by Marine Biological Laboratory scientists found that common levels of arsenic exposure can compromise the immune response to influenza A (H1N1) infection. Arsenic exposure, even at low levels, disrupts both the innate and endocrine systems, leading to increased morbidity and mortality.
George Stimak, a program officer at ONR, has been recognized as Top Navy Scientist and Engineer of the Year for his work on high-temperature superconducting (HTS) materials-based ship degaussing systems. The HTS degaussing coil technology eliminates a ship's magnetic signature, making it safer for ships to operate closer to shore.
Researchers at Dana-Farber Cancer Institute have developed a method to fold sheets of DNA into multilayered objects with precise control. These structures can be used as custom-made biomedical nanodevices, such as smart delivery vehicles that target specific molecular targets.
Underage drinking can lead to memory loss, as the brain's hippocampus is still maturing. Alcohol also impairs judgment, leading to risky behaviors like unprotected sex or drunk driving. Additionally, teens who drink are more likely to engage in violent behavior and experience dehydration, headaches, and hangovers.
Researchers have discovered a massive family of green fluorescent proteins (GFPs) in a primitive sea animal, revealing their unexpected role as antioxidants. The discovery sheds new light on the evolution and functions of GFPs across the animal kingdom.
Researchers will build an underwater virtual reality 'holodeck' to study cephalopod camouflage, measuring light fields and behavior in different environments. The goal is to understand the nature of their vision, color perception, and skin optical properties.
Researchers at Fraunhofer-Gesellschaft develop a measuring technique to monitor resin distribution during OSB production. The new method uses special optics to record the image of the shavings mat, allowing for continuous measurements during production.
A new molecule has been synthesized to release hydrogen sulfide gas in a slow and sustained manner, reducing inflammation and increasing levels of the body's own anti-inflammatory molecules. This breakthrough could pave the way for the development of novel approaches to treating inflammatory disorders.
A study found that combining aspirin and dipyridamole significantly reduced blockages and extended the life of hemodialysis artery-vein access grafts. The treatment decreased graft loss by 18% and stenosis development by 28%.
Research by NC State University biologist Dr. Nick Haddad and colleagues found that landscape corridors connecting isolated habitat patches increased plant species beyond the area itself. The study showed that corridors caused a significant spillover effect, especially among bird-dispersed plants, leading to broader conservation benefits.
Researchers identified a new strain of Chlamydia that spread rapidly across Sweden due to an evolutionary 'hiccup' in its genetic code, allowing it to evade most established diagnostic tests. The study provides valuable insights into the evolution of the bacterium and highlights the need for updated diagnostic tools.
Researchers at Iowa State University have discovered a previously unknown genetic pathway regulating plant growth, controlled by brassinosteroids. The HERK1 pathway, induced by BRs, plays a significant role in plant size and growth, with potential to manipulate crop yields for biofuels.
Researchers found a protein, βarrestin2, that suppresses androgen receptor expression in prostate cancer cells, potentially halting disease progression. Increased levels of βarrestin2 may lead to improved staging and treatment of testosterone-fueled prostate cancer.
Researchers from Institute for Clinical Evaluative Sciences found that even mild abnormalities in glucose testing during pregnancy increase the risk of developing type 2 diabetes. Women with these mild abnormalities are 2.5 times more likely to develop type 2 diabetes compared to those with normal glucose testing.
Researchers at USC have identified a critical molecular mechanism that allows the influenza virus to evade the body's immune response system. The study reveals that the virus targets the ubiquitin ligase TRIM25, inhibiting its ability to activate RIG-I and trigger an alarm signal.
A new study by RAND Corporation and UCLA suggests that limiting the work hours of medical residents could reduce medical errors but would create a substantial new expense for academic medical centers. The estimated annual cost to hire substitute workers could reach $1.6 billion.
A research team from Princeton University has found that DNA sequences previously considered 'junk' are essential for an organism's growth and development. The discovery reveals that these regions, known as transposons, perform critical functions by rearranging the genome.
A team of scientists from Oregon State University and NOAA has documented the presence of endangered North Atlantic right whales in an area off Greenland, contrary to previous belief. The discovery highlights the importance of identifying key habitats for these fragile species as shipping lanes expand.
A new University of Colorado at Boulder study suggests that an asteroid attack nearly 4 billion years ago may not have extinguished potential early life on Earth, but instead gave it a boost. The research indicates that microbes could have survived in subsurface habitats and flourished during the Late Heavy Bombardment.
Researchers found no significant increase in violent crime among people with schizophrenia, contrary to previous assumptions. The study suggests that substance abuse co-occurring with schizophrenia is a key factor contributing to violence.
The American Society for Neural Therapy and Repair (ASNTR) endorses the new NIH Guidelines, enabling research on human embryonic stem cells derived from IVF embryos. This move aims to facilitate the development of stem cell therapies for central nervous system diseases by reducing restrictions on cell line acquisition.
A University of Michigan study found that snails' venoms evolved to target a broader array of prey when they experienced ecological release, allowing them to expand their diet and habitat. The research provides insight into the genetic basis of this phenomenon and its implications for our understanding of adaptation and evolution.
Researchers found that minor differences in cell proliferation timing can explain large differences in eyes of owl monkeys and capuchin monkeys. This discovery reveals an evolutionary mechanism for changes in brain structure, enabling flexibility in eye specialization.
A study found that mice treated with the algae-derived protein Griffithsin had a 100% survival rate after exposure to the SARS coronavirus, whereas untreated mice only survived 30%. The protein alters sugar molecules on the virus's envelope, preventing it from causing disease.
The study explores the therapeutic process of mother-infant psychotherapy, highlighting its unique catalytic factors that promote change and growth through relational connection and the 'now moment'. The findings emphasize the importance of observing and responding to infant behavior, recognizing maternal experiences and capacities, an...
The Deutsche Forschungsgemeinschaft (DFG) is establishing 14 new Research Training Groups to promote young researchers in Germany. These groups will focus on innovative areas such as fluorine chemistry, institutional transition in East Asia, and frequency effects in linguistics. The funding recipients will work closely with foreign uni...
A literature review published in Journal of Diagnostic Medical Sonography concludes that ultrasound provides accurate diagnoses at a lower cost than MRI and CT scans. The study's findings highlight the widespread adoption of ultrasound in various clinical settings, including obstetrics, cardiology, and emergency medicine.
The OxiNet III system enhances patient safety by continuously monitoring oxygen saturation levels remotely. This technology is integrated into over 450 US hospitals and supports safe care for critically ill patients.
Researchers at Purdue University have created a new type of invisibility cloak that works for all colors of the visible spectrum. The device uses a tapered optical waveguide and has been shown to cloak an area 100 times larger than the wavelength of light, making it possible to cloak larger objects.
Researchers at MIT have developed a new nickel-tungsten alloy that replaces toxic chrome coatings, offering improved durability and environmental safety. The new coating is being tested on truck bumpers and has shown promise in reducing corrosion and pollution.
A new study reveals that memory loss is the only reliable factor for predicting dementia risk in elderly individuals, contradicting previous test results. The study's findings highlight the need for continuous adjustments in dementia detection tools as older generations exhibit improved performance on standardized psychological tests.
A novel approach estimates that titanium dioxide nanoparticles are produced in increasing amounts, posing potential environmental and health risks. The study's findings suggest that up to 2.5 million metric tons of nanomaterial could be released into the environment by 2025.
A study found high concentrations of pollutants in marine mammals' brains, including pesticides like DDTs and PCBs, as well as brominated flame retardants. The results have significant implications for the health of marine mammals, particularly their hearing and cognitive development.
The development of siRNA drugs is hindered by a strong immune response that can cause toxic side effects. Researchers are exploring mechanisms for inducing this response and strategies for minimizing its effects.
The University of Rhode Island has been awarded a five-year, $18 million grant by the National Institutes of Health to strengthen biomedical research capacity in Rhode Island. The grant will support at least 22 faculty research projects in molecular toxicology, cell biology, and behavioral science.