The five-year grant aims to improve the quality of care for women of color suffering from HIV/AIDS by enhancing access and retention in quality HIV care. The project will be implemented in urban centers across America, addressing the technical requirements of HIV clinics serving the medically and economically disadvantaged.
Researchers have developed a new lab-on-a-chip test that detects DNA with excellent sensitivity, eliminating the need for amplification, and enabling wider use of DNA testing. The nanogap sensor technology overcomes current limitations of PCR-based tests, making it a faster and more practical alternative.
Research suggests that PPAR-γ agonist 15d-PGJ2 inhibits gastric cancer cell growth through a mechanism independent of PPAR-γ. The study's findings support the potential therapeutic role of PPAR-γ agonists in chemoprevention or chemotherapy of gastric malignancies.
Researchers at McGill University's Montreal Neurological Institute have discovered a key signaling pathway involved in brain connectivity. The study found that inhibiting the interaction between Calcineurin and NFAT resulted in more dendritic branches and synapses, suggesting a potent role for CaN in regulating neural connections.
A study found that low tacrolimus doses are effective in living donor liver transplant recipients with small-for-size grafts, indicating potential benefits for rational administration of tacrolimus. The research team recommended relatively low tacrolimus doses for patients receiving SFS grafts.
Researchers define global conservation priorities for endangered carnivores considering socioeconomic and life-history factors. The study identifies 41 ecoregions worldwide as key areas for cost-effective conservation investments.
A team of South Korean scientists has successfully engineered the bacterium E. coli to produce putrescine, an industrial chemical traditionally created using fossil fuels. The production process relies on renewable materials and reduces environmental harm associated with chemical synthesis.
A team of international researchers has challenged the long-held idea that the ratio of massive stars to lighter ones in star-forming regions remains consistent. They found that this ratio, known as the initial mass function, varies significantly between different galaxies, with some forming more low-mass stars than expected.
A new analysis of 30 years of on-ground and satellite observations reveals the onset of water scarcity in southeast Australia around 1993-1996. This finding underscores the importance of good water information for water resource planning and highlights the impact of climate change on the country's current water resources.
The study found that compliant patients have better outcomes with inhaled corticosteroids, while those taking oral controllers had higher treatment benefits and better quality of life. The researchers suggest that 'one size fits all' does not apply when treating asthma patients, emphasizing the need for personalized treatment.
Researchers at Harvard Medical School used two-photon microscopy to track calcium levels in neurons during electrical stimulation, revealing a scattered and widely distributed set of neurons switch on. The findings contradict a long-standing hypothesis and suggest that axons are being stimulated rather than cell bodies.
Researchers developed a gene assay that identifies key genes contributing to drug resistance in non-small cell lung cancer. The assay showed strong correlation between multi-gene signatures and individual chemotherapy agents, allowing for personalized treatment guidance.
Researchers advocate for clearer conflict of interest disclosures in clinical trials to ensure transparency and fairness. Key findings include the need for institutional review boards and study coordinators to play a larger role in disclosing financial relationships that may impact patient decisions.
Researchers have discovered a small peptide that stops lung cancer tumors from growing by inhibiting blood vessel formation. The study showed significant reduction in tumor size and fewer blood vessels compared to untreated animals.
A team of paleontologists and ornithologists have discovered evidence of vivid iridescent colors in fossil feathers dating back 40 million years. They found a preserved color-producing nanostructure, called melanosomes, which produced black with metallic greenish, bluish or coppery colors at certain angles.
Researchers developed a technique to prevent inherited mitochondrial disorders by transferring hereditary material from one egg to another. The method resulted in four healthy newborns and holds the potential for couples to have biologically their own child without defects associated with maternal mitochondria.
A new study found nearly 70% of participants received at least one medical imaging procedure between 2005 and 2007, resulting in an average effective dose nearly double natural sources. The study highlights the need for research on the benefits and risks of medical imaging procedures to inform patient care.
A WPI professor has received a $429,000 CAREER Award to investigate the physics underlying dust ignition and flame propagation in dust clouds. The research aims to develop more robust models for assessing and predicting the risks associated with dust accumulation.
Recent NIST airframe tests provide valuable insights into how high-energy interference affects aircraft. The findings will help ensure continued air travel safety and inform the FAA's certification process.
Researchers at MIT's Picower Institute for Learning and Memory found that rats use a mental instant replay of their actions to help them decide what to do next. The study reveals that these sequences also occur when the animals are awake and may help them consider future options.
The North Greenland Eemian Ice Drilling project, led by the University of Copenhagen, has reached a depth of 5,767 feet in early August, recovering over a mile of ice core. The project aims to retrieve ice from the last interglacial episode, providing valuable information on past temperatures and precipitation levels.
A new study published in Human Ecology found that media propaganda during the late nineteenth century Colorado silver rush misled entrepreneurs by exaggerating ore concentrations, leading to over-risking their investments. The researchers used central place foraging models to investigate optimal foraging strategies and compared actual ...
A study found that kudzu root extracts improved lab rats with metabolic syndrome by lowering cholesterol, blood pressure, and insulin levels. Kudzu has been used in traditional Chinese medicine as a health food, containing isoflavones with potential health benefits.
A study found that CD14 rs2569190/C-159T gene variants are associated with the formation of portal lymphoid aggregates in chronic hepatitis C patients. These aggregates were also correlated with moderate and severe hepatic inflammation, but not with fibrosis progression.
Research suggests that red light can impact alertness at night via pathways other than the circadian system, contradicting previous assumptions about blue light's dominance. The study found that moderate levels of red light increase alertness in individuals, making it a viable alternative to blue light for improving nighttime alertness.
A new study by Johns Hopkins Bloomberg School of Public Health estimates that European REACH legislation for chemicals may require up to 54 million research animals and $13.4 billion over the next 10 years.
A study of 4254 Canadian schoolchildren found a direct association between BMI and satisfaction with their body shape, with girls happier when thin and boys unhappy when too skinny or fat. Poor body satisfaction was more common among rural girls from low-income families.
Tropical Storm Danny has formed east of the Bahamas, with NASA's Aqua satellite capturing strengthening thunderstorms in infrared imagery. The storm is expected to bring 2-3 inches of rainfall to the central and northwestern Bahamas, with maximum amounts of 4 inches.
A Rutgers University—Camden biochemist is creating a database for quick background checks on all known enzyme functions, including energy-creators like ATP and ADP. The goal is to create a standard vocabulary to describe how enzymes function for the biomedical community.
Research reveals distinct patterns of intestinal response to arterial, venous, or total mesenteric ischemia/reperfusion, influencing the severity of injury. This knowledge could lead to targeted therapies for specific conditions, including venous occlusion, arterial ischemia, and transplant procedures.
A Purdue University study found that ground moisture at landfall is a major indicator of tropical storm behavior. Storms are more likely to sustain and cause heavy rains when the ground is wet, while dry conditions tend to calm them down.
Agricultural scientists at TUM created indicators and models to analyze, assess and optimize the sustainability of agricultural enterprises. The new indicator model describes farms as systems based on their material and energy flows, enabling accurate calculations of emissions, climate balance and biodiversity.
Researchers have identified new targets for treating breast cancer metastasis by inhibiting Brk protein expression. Additionally, a study on Wnk1 revealed its critical role in angiogenesis and heart development. Furthermore, drug abuse has been found to worsen HIV-associated neurocognitive disorders through dopamine signaling.
Researchers have identified a new genetic mechanism controlling body's fat-building process, potentially leading to new treatments for obesity and type 2 diabetes. The study found that the MCPIP gene controls fat cell development, offering a new direction for developing drugs to prevent obesity-related chronic diseases.
A new study from the University of Michigan found that working too many hours in the wrong environment can lead to teenagers dating older partners, which is associated with riskier sexual behavior and STDs. High self-esteem and low alcohol use can offset the negative effects of excessive work hours.
Researchers at Whitehead Institute have shown that a single gene mutation can cause a transmissible neurodegenerative disease in mice, similar to human fatal familial insomnia. The study demonstrates that mutations associated with prion diseases are sufficient to cause the disease and the spontaneous generation of transmissible prions.
Researchers have found evidence of iridescent colors in a 40-million-year-old feather fossil, revealing the first documented nanostructure responsible for color production. The discovery paves the way for studying color patterns in other ancient birds and dinosaurs.
Researchers found that viral polymerase is a key target for preventing systemic flu in humans. The study discovered that avian influenza adapted to infect mice caused severe illness and death due to suppression of the immune system.
Pittsburgh researchers have found a molecular link between insulin resistance and inflammation, suggesting a novel target for diabetes treatment. The study reveals that protein Fox01 stimulates inflammatory white blood cells, leading to increased production of cytokine IL-1B, which interferes with insulin signaling.
A NIST research team has figured out why a metal-organic framework can safely store acetylene at low pressure, leading to potential substantial savings in transportation costs. The discovery could also help scientists better understand MOFs and develop new materials for storing other substances.
Tropical Storm Hilda is expected to pass south of the Hawaiian Islands, with forecasters noting minimal impacts due to her small size. The storm's maximum sustained winds are near 45 mph, and slow strengthening is possible as it continues west-southwest.
A new study found that road tunnels can concentrate ultrafine particles and pollutants by up to 1000 times, posing serious health risks to occupants. This concentration level is higher than previously reported measurements.
The remnants of Typhoon Vamco are sweeping over Alaska's Aleutian Island chain, causing high wind warnings. The National Weather Service has posted warnings for gusts of 40-60 mph, with some areas reaching hurricane-strength winds.
A study published in World Journal of Gastroenterology found that a large number of dissected lymph nodes in D2 dissection improves long-term survival and reduces recurrence rate for patients with node-negative gastric cancer. The number of resected lymph nodes is a key prognostic indicator, and increasing it leads to better survival o...
NASA's GOES-11 satellite indicates two areas of showers and thunderstorms that may develop in the Eastern Pacific, potentially replacing Tropical Storm Ignacio. The storm is expected to weaken due to adverse conditions, including cooler waters.
OHSU researchers develop gene therapy to prevent inherited diseases such as cancer, diabetes, and neurodegenerative diseases by transferring healthy mitochondria into eggs. The breakthrough could help break the chain of maternally-based diseases passed from generation to generation.
New research suggests that pollution from Asia, Europe and North America may contribute to recent Australian rainfall changes. Human-generated aerosols from the northern hemisphere are thought to drive changes in atmospheric and oceanic circulation, leading to increased rainfall in north-western and central Australia.
The NIH panel found that the routine collection of family history may motivate positive lifestyle changes and enhance individual empowerment, but its effectiveness in improving health outcomes is unclear. The panel recommends additional research to understand how to effectively gather and use family history information in primary care.
Researchers at LLNL used hydrodynamic simulations to show that nonlethal blasts can induce skull flexure and generate damaging loads in the brain. The study suggests that armor systems designed for impacts may not be optimal for blast wave protection, highlighting the need for improved helmet design.
Researchers identified LNγ2, LNβ3, and active MMP7 as molecular markers for tumor aggressiveness in biliary tract cancer. The study found that these markers were associated with tumor progression, depth of invasion, and advanced stage. Down-regulation of MMP7 expression resulted in a significant decrease in cancer cell invasion.
A Chinese study establishes a multifaceted barrier-focused intervention program to increase colonoscopy attendance among nonadherent high-risk populations for colorectal cancer screening. The program significantly increased attendance rates, especially among those with objective barriers.
A new study found that people's bodies handle arsenic differently, with some individuals excreting up to 95% of ingested arsenic, while others store it in their bodies, posing a risk to health. The research suggests that existing standards for evaluating human health risks from arsenic may need to be reassessed.
A new study published in the Journal of Adolescent Health found that a nurse intervention program significantly improves the lives of sexually exploited runaway girls. The program reduces trauma, emotional distress, substance use, suicide attempts, and risky sexual behaviors while improving family and school relationships, self-esteem,...
Scientists have discovered a way to block the growth of human colon cancer cells by targeting the Hedgehog-GLI pathway, preventing tumor growth and metastasis. This breakthrough could provide a new method for treating incurable forms of colon cancer.
Anti-glycan antibodies are found to be a common feature of celiac disease at diagnosis, linked to severe malabsorption, and lost after long-term gluten-free diet. The presence of these antibodies is not associated with NOD2/CARD15 mutations.
Researchers at NIST developed a new technique for measuring near-infrared light, enabling high sensitivity detection with over 1,000 times greater sensitivity than common commercial instruments. This breakthrough has applications in fields such as forensics, quantum communications, and pharmaceuticals.
The American Phytopathological Society recognized outstanding contributions to plant pathology with its 2009 awards. The APS Fellow class of 2009 includes prominent researchers and educators from around the world. Notable winners include Anne E. Dorrance, Charles Mellinger, H. David Shew, and Richard A. Sikora.
A study analyzing business return to New Orleans post-Katrina found that businesses reopening cited damage to physical locations and financing as primary concerns, while those remaining closed ranked levee protection as top concern. The study used repeated telephone surveys of businesses from December 2005 to October 2007.
Researchers at NIST have developed a simple method to assemble organic molecules between silicon and metal, overcoming a key obstacle in creating individual molecule switches. This breakthrough could lead to faster, cheaper components and new applications in biosensors.
A recent study published in Journal of Management Studies found that employees who experience perceived injustices at work are more likely to suffer from psychological well-being damage and extreme emotional exhaustion. This can lead to decreased job commitment, increased turnover rates, and a general depletion in employee morale.
Researchers developed a neural network system to classify music genres, such as cha-cha-cha, jive, and tango, with varying degrees of success. The approach combines the strengths of two existing methods and uses a neural network to analyze beat and tempo, outperforming other classification techniques.
A new study by Johns Hopkins Medicine, Duke and Wake Forest suggests that disclosing financial conflicts of interest to research participants may not be sufficient. The study recommends establishing sound policy and practices for disclosure and management of financial interests.
Researchers at UC Riverside have identified a novel class of compounds that could pave the way for developing inexpensive and safe mosquito repellents. These odorants, including hexanol and 2,3-butanedione, prevent CO2-sensitive neurons in mosquitoes from functioning.
Scientists developed a novel electronic sensor array to rapidly detect DNA for disease diagnosis and biological research, with ultrasensitive detection capabilities and cost-effectiveness. The Nanogap Sensor Array technology has the potential to speed up efforts in detecting debilitating diseases such as cancer and infectious viruses.