Researchers at the University of Illinois discovered that exercise can trigger adult stem cells in muscle, releasing growth factors that promote muscle regeneration. The findings may provide a link between exercise and muscle health, with potential applications for rehabilitation and preventing age-related muscle loss.
A new study reveals that women born to older mothers and taller, thinner girls before puberty are more likely to develop breast cancer. The research suggests that accumulated exposure to hormones during early life influences breast tissue composition and tumour development.
Researchers developed a nanoparticle microfluidic color device for rapid detection of acute sepsis and other biomarkers, offering improved accuracy and speed in medical diagnostics. The device boasts high sensitivity and can detect minute quantities of biomolecules, making it a promising solution for point-of-care diagnostics.
Researchers analyzed data from an observational study to examine the relationship between HIV illness severity and psychiatric disorders. The study found limited evidence of associations between specific antiretroviral therapy and psychiatric symptoms, but noted associations with quality of life and cognitive functioning.
According to a Yale University study published in Pediatrics, over 4,500 US children were hospitalized due to child abuse in 2006, resulting in 300 deaths. Children under one year old were at highest risk of hospitalization, and those on Medicaid had rates six times higher than non-Medicaid patients.
Cyclone Jasmine is strengthening as it approaches Vanuatu and New Caledonia, with forecasters predicting hurricane-force winds and heavy rainfall. The storm's current track takes it between the two island nations, with its center expected to pass nearby on February 8.
Experts from NYU Langone Medical Center will present their latest research on diseases of the muscle, tendon, bone, and joint. The focus includes reverse total shoulder arthroplasty, platelet-rich fibrin matrix for rotator cuff healing, and effects of partial medial meniscectomy on tibiofemoral position and stability.
A study published in Applied and Environmental Microbiology found that electron-beam irradiation can inactivate viruses on leafy greens, reducing the risk of foodborne illness. The research provides quantified data on the reduction in health risks through this technology, which could lead to greater adoption in the fresh produce industry.
A study published in Biological Conservation found two previously unknown feeding hotspots for loggerhead sea turtles in the Gulf of Mexico. The hotspots, located off the coast of Southwest Florida and the Yucatan Peninsula, provide valuable habitat for at least three separate populations of the turtles.
Researchers at Kimmel Cancer Center found that cyclin D1 overexpression associates with chromosomal instability in luminal B breast cancer. Elevated levels of cyclin D1 promote genetic breakdown known as chromosomal instability, which correlates with this subtype.
Yale researchers developed a methodology to evaluate the importance of scarce metals using supply risk, environmental implications, and vulnerability analysis. The new approach provides a standardized framework for corporations and national governments to inform strategic decision-making around resource use.
Researchers created an emergency general surgery registry (EGSR) to analyze and improve surgical outcomes for patients. The registry includes ICD-9 codes to define and evaluate EGS cases, covering a range of pathologies including appendectomy, hernia repair, and cholecystectomy.
Patients with low levels of anti-PC in connection with acute coronary syndromes are at a greater risk of complications and premature death. Inhibiting inflammation and cell death may have a protective effect on cardiovascular disease.
Researchers found that variation in the level of expression of a gene called CMG2 affects the success of the anthrax toxin in gaining entry into human cells. The study highlights the importance of host genetics in determining individual susceptibility to pathogens like anthrax, HIV, and malaria.
A new study at Sanford-Burnham Medical Research Institute suggests that the heart hormone natriuretic peptides play a role in breaking down fat. The peptides turn on a molecular mechanism similar to what's activated when the body is exposed to cold and burns fat to generate heat.
Researchers have identified a key switch that releases zinc into cells, which could be used to block cancer development and halt tumor growth. Zinc levels are controlled by protein molecules called zinc transporters, and understanding how these transporters release zinc has important implications for disease treatment.
A new study by Northwestern University researchers found that ineffective algorithms and profiles hinder online dating. In contrast, mobile dating enables potential partners to meet face-to-face quickly, which is crucial for finding compatibility.
Skiers and snowboarders in Canada face inadequate protection from current helmet standards, which are less stringent than US and European ones. Health experts call for stricter regulations to ensure helmets can withstand multiple impacts and provide superior protection for various head sizes and weights.
A deadly Egyptian soccer riot has highlighted the need for sports teams to assess and prevent spectator rage, which can be triggered by emotional and environmental factors. Researchers suggest that screenings and monitoring of fans during events are critical in preventing incidents.
Researchers at Penn State University have developed crystalline materials that allow optical fibers to have integrated, high-speed electronic functions. The breakthrough enables faster and more efficient technologies in telecommunications, laser technology, and remote-sensing devices.
A genetic variant has been linked to an increased risk of large artery ischemic stroke, the second leading cause of death worldwide. The discovery opens up new avenues for treatment and prevention, potentially leading to personalized medicine approaches.
Researchers at Stanford have created a novel nanowire welding technique using plasmonics that enables precise heating without damaging the wires. This breakthrough allows for the production of stronger, more efficient meshes for various electronic devices and solar applications.
A novel technique enhances bone growth by guiding stem cells to the bone surface, increasing bone density and preventing age-related bone loss. The study successfully tested this approach in mice with osteoporosis, paving the way for human trials.
Plant steroid hormones brassinosteroids play a crucial role in regulating the number and distribution of stomata on leaves. Research found that brassinosteroids inhibit the protein BIN2, allowing stomata formation when present and inhibiting it when absent.
Researchers create specially engineered mammalian cells with a chemical handle to label proteins of interest efficiently without disrupting their function. The new approach enables fast, high-yield protein labeling and has advantages over existing methods.
Researchers at UBC have discovered the molecular pathway enabling receptors in immune cells to find and flag pathogen fragments. This discovery could lead to more efficient vaccines against HIV, tuberculosis and malaria, as well as personalized medical options.
A recent study by University of Innsbruck climate researchers found that land-cover changes have a limited effect on glacier loss in the Kilimanjaro area. The team's novel methodology showed that LCC mainly alter precipitation over glaciers, resulting in local increases or decreases in glacier mass.
Researchers created an integrated electronic component directly into optical fibers, bypassing the need to integrate fiber-optics onto a chip. This breakthrough enables high-speed optoelectronic function and has potential applications in telecommunications and hybrid technologies.
Climate researchers found that tree-ring reconstructions of temperature change may underestimate the climate response to past volcanic eruptions. The study compared tree-ring temperature reconstructions with model simulations and found a significant discrepancy in the response to three large tropical eruptions.
Henry Ford Hospital researchers have identified two molecules that hold promise as a biomarker for measuring cartilage damage associated with osteoarthritis. Non-coding RNAs in blood were found to be associated with mild cartilage damage in patients one year after ACL reconstruction surgery.
Scientists have developed a new procedure to rapidly induce nerve regeneration, restoring partial function within days and full function within two to four weeks. The approach mimics the cellular mechanism used by invertebrates to repair damaged nerve axons.
The American Institute of Biological Sciences (AIBS) has selected two Ph.D. candidates, Lida Beninson and Andrew Reinmann, for the 2012 Emerging Public Policy Leadership Award. They will receive training on communicating with policymakers and participate in events with their Congressional delegations.
In a large head-to-head study, warfarin and aspirin showed similar efficacy in reducing mortality and stroke risk in patients with heart failure and normal heart rhythms. Warfarin was found to be more effective in preventing strokes after four years of treatment.
A combined public health campaign in Kenya successfully tackled HIV/AIDS, malaria, and diarrhea by distributing bed nets, water filters, condoms, and educational materials. This approach saved over $16,000 per 1,000 people reached, resulting in 16 lives saved and hundreds of years of healthy life.
A study by Penn State researchers found that media coverage of college football quarterbacks perpetuates stereotypes about African American leadership, associating losses with failed leadership and victories with natural ability. This bias may contribute to barriers for black leaders in organizations.
The University of California, Riverside has awarded nine first-year graduate students $30,000 annual stipends for two years to support their pursuit of Ph.D.s in STEM fields. The fellowships aim to increase the number of ethnically underrepresented students completing doctoral degrees.
Researchers identified 27 genetic variants in 19 genes associated with brain aneurysms, including collagen 5-A2 linked to Ehlers-Danlos syndrome. Whole exome sequencing allowed for targeted screening of affected families, offering potential for personalized risk assessment and prevention strategies.
A study published in Cancer Prevention Research found that soy isoflavone supplements did not decrease breast cancer cell proliferation. The results are consistent with previous studies on the effectiveness of dietary supplements in preventing cancer.
A longitudinal qualitative study found that older adults work hard to maintain their health and independence, but struggle when they become dependent on others. Support and care must be responsive to the individual's needs and perspectives to enhance dignity.
Researchers at the Salk Institute found that certain proteins, called extremely long-lived proteins (ELLPs), last a lifetime without being replaced. Damage to these proteins weakens the ability of transport channels to safeguard the cell's nucleus from toxins, leading to cellular aging.
University of Miami graduate student Sean Bignami has been awarded a $5,000 scholarship from the Guy Harvey Ocean Foundation to study the effects of ocean acidification on large marine fish. He plans to share his research with decision-makers and engage in outreach programs to promote public awareness of marine science.
A recent study found that African American women starting a new group weight loss program are more successful if they meet in a church setting, especially those with less experience managing their weight. The study also shows that social support plays a crucial role in weight loss success.
A new study found that children living in areas with lower levels of sunlight are at greater risk of developing food allergies and eczema. The research team analyzed data from Australian children and found a link between latitude and allergies to peanut and egg, as well as a higher prevalence of eczema in the south compared to the north.
A recent study published in the Geological Society of America Bulletin suggests that Earth's largest mass extinction, known as 'The Great Dying,' occurred over hundreds of thousands of years, not suddenly. The research, led by Thomas Algeo from the University of Cincinnati, found evidence of a prolonged die-off of marine life due to ma...
Researchers found that Toca 511 eliminates tumors in most animals after dosing with 5-FC, providing a dramatic survival benefit. The treatment was well-tolerated and did not cause toxicity over the six-month protocol.
The University of Miami will use a $700,000 challenge grant from the Batchelor Foundation to purchase a helicopter equipped with scientific equipment for environmental observations. The helicopter will enable researchers to collect critical data near the Earth's surface and atmosphere, improving knowledge of climate processes.
Researchers found that listening to sentences with textural metaphors activates the parietal operculum, a region associated with sensing texture through touch. This suggests that our brains use sensory experiences to understand metaphorical language.
Researchers found that enhancers, which are meant to be active only in certain muscle types, were occupied by transcription factors from other tissues. This discovery reveals a new model for how enhancers function and provides insights into the developmental history of cells.
Researchers have developed a new approach to detect cancer cells in the bloodstream, allowing for real-time assessment and control of disease spread. The method could help predict response and resistance to therapies, enabling more effective treatment decisions.
Researchers analyzed Martian soil samples and found no microscopic clay particles, suggesting the soil has had a very arid history. The team estimated that liquid water on Mars was present for at most 5,000 years since its formation, making it unlikely for life to maintain a foothold on the surface.
Researchers discovered a genetic basis for people's preferences for fatty foods, finding that those with certain forms of the CD36 gene may prefer higher-fat foods and be at greater risk for obesity. The study suggests that genes related to fat perception may play a role in diet adherence and food preference.
The Solitaire With the Intention for Thrombectomy (SWIFT) trial showed that the new device opened blocked vessels without causing symptomatic intracranial hemorrhage in 61% of patients, compared to 24% with the MERCI retriever. The device also led to better survival three months after stroke, with a 17.2% mortality rate versus 38.2% wi...
The SOLITAIRE Flow Restoration Device outperformed the standard mechanical treatment in removing blood clots from blocked brain arteries in stroke patients. The new device resulted in a 61% success rate compared to 24% for the older device, leading to better survival rates and reduced mortality.
Simon Fraser University faculty members are attending the American Association for the Advancement of Science conference to share their teaching experiences and learn about innovative methods for engaging students in science education. They aim to bring new approaches back to their programs to benefit students, with a focus on active l...
A study of Enol lake sediments reveals significant environmental changes throughout the last 13,500 years, including climatic differences amongst previously thought 'stable' periods. The research highlights human impact on the environment, particularly pasture and deforestation.
Researchers used whole-exome sequencing to diagnose a type of severe metabolic disease, identifying the genetic mutation responsible. The study showcases the potential for this technique to aid in diagnosing congenital disorders of glycosylation, offering new hope for families affected by these conditions.
Researchers have cataloged all transposable elements in a population of fruit flies using Pool-Seq technology. The findings reveal that most elements are purged before becoming established, but some sites show positive selection for insertion, suggesting beneficial effects on the host.
Researchers found that repeated injections of human umbilical cord blood cells improved motor neuron survival, delayed disease progression, and increased lifespan in mice modeling ALS. The study suggests that low-dose cell administration could be beneficial for patients with ALS even after symptom onset.
A new drug, AX200, manufactured form of G-CSF, failed to show efficacy in improving disability among stroke patients. Despite initial promising results in animal studies and a limited clinical trial, the study found no significant improvement in disability scores.
A study by Jason Kolbe and colleagues reveals that the 'founder effect' persists even as lizard populations adapt to new environments. The research found that differences caused by the founder effect are retained in lizards with varying limb lengths, suggesting a complex interaction between natural selection and genetic variation.