Researchers found that a heat-shock response mechanism helps cancer cells survive and thrive, but inhibiting this process may lead to a new cancer treatment. The discovery also sheds light on the complex relationship between aging, longevity, and cancer risk.
Researchers at the Hebrew University of Jerusalem have identified a brain region, the planum temporale, as responsible for perceiving 'sound space', or the location of sounds. The study found that this region is activated when subjects are not concentrating on those sounds and can represent sound locations in a non-intentional manner.
A computer program developed by Rensselaer Polytechnic Institute can trace genetic ancestry in minutes using just a cheek swab, with 99% accuracy. The algorithm uses single nucleotide polymorphisms (SNPs) and has potential applications for understanding complex diseases and tailoring medical treatments.
A new NASA study reveals that Antarctic snow is melting farther inland from the coast over time, with increased melting at higher altitudes. This trend is linked to climate change, threatening Antarctica's role as a 'brake system' for glaciers.
A recent study published in Science confirms that Homo floresiensis, also known as the 'hobbit', is a distinct human species. The research focuses on the unique wrist bones of the hobbit, which show striking similarities to those of African apes and early hominins.
A study published in JCI Journals reveals that disturbances in sphingolipid metabolism may be a key factor in early pregnancy loss. Sphingosine kinase 1 (Sphk1) and Sphk2 proteins play a crucial role in metabolizing these fats, which are essential for placental development.
A study found that heat-shock transcription factor HSF1 enables normal cells to become cancerous by orchestrating proliferation and survival processes. Depriving cancer cells of HSF1 strongly suppresses their growth and survival, offering a potential new approach to fighting cancer.
Researchers at the University of Nevada Reno aim to solve fundamental questions about knots and low-dimensional manifolds using a new set of techniques. This study has implications for various scientific fields, including topology and materials science.
A new technique called back-scattering interferometry (BSI) measures the strength of interactions between free-floating biological molecules. BSI is sensitive enough to detect protein folding and has potential cost advantages over current techniques.
A brain system known to regulate food intake also controls fat storage and metabolism in the body completely independently of food consumption. The melanocortin system may be used to develop new medications to treat human obesity.
The use of insecticide-treated bednets leads to a significant reduction in child mortality, with estimated protection rates ranging from 34% to 56%. ITN coverage has increased rapidly in Kenya, with an estimated averting seven deaths for every 1000 ITNs used.
A team of researchers funded by the National Institute of Allergy and Infectious Diseases has solved the complete genome of Brugia malayi, a parasite that causes elephantiasis. This breakthrough reveals dozens of potential new targets for drugs or vaccines, offering new opportunities for understanding, treating and preventing the disease.
The Scarab robot is equipped with a drill and features a novel rocker-arm suspension that enables it to plant its belly on the ground for drilling operations. The robot will demonstrate technologies for finding concentrations of hydrogen, water, and other volatile chemicals on the moon.
Researchers at Penn Veterinary Medicine have successfully demonstrated the potential of a new strategy for genetic modification of large animals. By employing a harmless gene therapy virus, they can transfer genetic modifications to male reproductive cells, which are then passed naturally on to offspring. This approach has shown promis...
A recent study suggests that CT angiography can accurately diagnose aortic injuries in blunt trauma patients without the need for catheter angiography. In challenging cases, CTA offers a rapid and non-invasive diagnosis, potentially sparing patients from serious complications.
A new study published in Biological Psychiatry found that pedophilia patients exhibit reduced activation of the hypothalamus and frontal cortex when viewing sexually arousing pictures, indicating altered sexual interest. This deficit may predispose individuals vulnerable to pedophilia to seek alternative stimulation.
A global team of researchers has revealed the genetic sequence of Brugia malayi, a parasitic worm that causes debilitating diseases in over 40 million people. The study identifies dozens of potential new targets for drugs or vaccines, including genes involved in molting, immune signaling, and host metabolism.
Assistant professor John Drake is studying how West Nile virus differs between urban and rural areas using computer models and data on infected mosquitoes, birds, and humans. The goal is to provide recommendations for improving New York City's mosquito control strategies and early warning systems.
Researchers discovered that female Evarcha culicivora spiders prefer larger mates before mating, despite the risk of cannibalism. Once mated, females opt for smaller males, a finding that challenges traditional assumptions about spider mating behaviors.
Scientists at Harvard Medical School have identified two genes, SIRT3 and SIRT4, that play a vital role in maintaining cellular health and longevity. These genes help protect cells from diseases of aging when caloric restriction or exercise is applied.
A new study by American Museum of Natural History paleontologists reveals that velociraptor, a close relative of birds, had feathers. The discovery supports the idea that many dinosaurs were feathered, and challenges the common perception of velociraptors as scaly creatures.
A recent study published in The Lancet reveals that mental disorders are more common in rural settings in Mozambique compared to urban areas. The research found higher lifetime prevalence rates for psychoses, mental retardation, and seizure disorders in rural households.
A recent study investigated how judges and jurors make collective decisions, revealing that simple voting procedures are often preferred over more nuanced approaches. The findings suggest that groups tend to favor quick decisions, even if they lead to inconsistent outcomes.
A recent study published in Cell describes a chemical chain reaction, known as the Hippo pathway, that controls organ growth and may contribute to cancer. The researchers found that this pathway is altered in 20-30% of human cancer cells, suggesting a potential new target for cancer therapy.
Researchers found that a decrease in p53 activity in only 14 insulin-producing cells in the fly brain can significantly extend lifespan, supporting the link between metabolic regulation and aging. The findings also suggest a connection between aging and diabetes, providing a new laboratory model for studying these diseases.
Researchers have discovered a molecular mechanism that could lead to the development of new, potent antibiotics. The compounds mimic natural peptides and create 'holes' in bacterial membranes, causing cell death.
A new study finds that a quarter of teenage girls in abusive relationships say their partners are actively trying to get them pregnant. Healthcare providers should ask about the possibility of abuse and reproductive control in relationships, according to researchers.
A recent study led by the University of Pittsburgh Graduate School of Public Health found that low vitamin D levels are associated with a higher risk of hip fractures in women. The study analyzed data from 400 women who experienced hip fractures and found that those with lower vitamin D levels had a 77% increased risk.
The Arctic sea ice extent on Sept. 16 stood at 1.59 million square miles, lower than the long-term minimum average from 1979 to 2000 by about 1 million square miles. The minimum also breaks previous records set in 2005.
A new study in the Journal of Adolescent Health suggests that secondhand smoke exposure at home increases the risk of test failure in teens. Exposure to secondhand smoke decreased the odds of passing standardized achievement tests by 30 percent in 16- and 18-year-olds.
A recent study of over 200 patients found that 88% were happy with their surgery at the first post-operative clinic visit. Despite complications, 76% were satisfied with the cosmetic result and 80% said the surgery met their expectations. Common issues included vaginal hair growth, prolapse, and necrosis.
Researchers found that defects in protein glycosylation, a process adding sugars to proteins, promote inflammation and neurodegeneration in MS. A dietary supplement similar to glucosamine may correct these defects and treat both short-term and long-term symptoms.
The ASPB Summer Undergraduate Research Fellowship (SURF) recognizes 34 students from US universities who received $3,000 fellowships to support their research projects. The program is funded by the ASPB Executive Committee and Good Works funds, and co-chaired by SURF founders Mark Brodl and Jon Monroe.
The NanTroSEIZE expedition aims to retrieve geological samples and provide scientific data from the Nankai Trough fault zone. The program will drill deeply into the Earth to observe earthquake mechanisms in a well-known subduction zone, providing new insights into naturally occurring processes responsible for earthquakes.
A new study reveals that protein SRP-6 can regulate cell death and potentially halt the progression of cancer, stroke, and heart disease. The research team discovered that SRP-6 can target the lysosome, protecting cells from stress and injury.
Researchers at UT Health Science Center have developed a smart particle insulin release system that detects blood sugar spikes and releases insulin to counteract them. The system, which consists of a blood sugar sensing protein and liposomes loaded with insulin, stabilized blood sugar levels in animal models for up to six hours.
Biologists have found that the influenza A virus migrates globally and mixes with other viral strains during the summer off-season before returning to the Northern Hemisphere as a genetically different virus. The research suggests widespread viral traffic across the equator, contributing to new epidemics in both hemispheres.
A recent study by Benjamin Sovacool recommends transitioning away from centralized coal and nuclear plants to small-scale decentralized generation technologies for a more sustainable energy sector. These alternatives are found to be feasible, affordable, environmentally friendly, reliable, and secure.
A new study published in The Lancet found that global under-5 mortality rates have fallen from 110 per 1000 in 1980 to 72 per 1000 in 2005. However, the target of a 67% decline by 2015 is unlikely to be met due to slow progress in sub-Saharan Africa.
Experts weigh in on the implications of personal genomics, considering what is possible now and in the future. They address potential ethical and legal issues that will arise with such technology.
A study found that individuals with a specific genetic variant (CYP2B6*6 allele) benefit from bupropion treatment and maintain abstinence longer than those without the variant. The study provides insight into personalized medicine for smoking cessation.
A mouse study suggests that high-glycemic index diets can cause fatty liver disease, while low-glycemic index diets may prevent it. Researchers plan a clinical trial to confirm the findings and explore reversing the condition in overweight children.
The Asia-Pacific region is being called upon to conduct thorough research on the benefits, risks, and impacts of biofuels on agriculture and food security. Key findings include the need to balance food and biofuel production to avoid competition for resources and ensure poverty alleviation.
A study by Dr. Matthew Oughton found that soap and warm water eliminate over 98% of C. difficile bacteria, while alcohol-based solutions are ineffective against spores. The protocol also confirmed washing hands with soap and water remains an excellent method to control nosocomial infections.
A recent study examined the discrepancy rate of emergency diagnostic imaging exams interpreted by residents after hours and found that well-trained and supervised residents can interpret studies safely. The major discrepancy rate was 2.6%, with only a miniscule negative clinical effect found in 0.3% cases.
Gina Turrigiano, a Brandeis University professor, has received a National Institutes of Health (NIH) Director's Pioneer Award to develop a super-resolution cryo-microscopic method for studying synapses. This innovative approach aims to understand how synapses are impaired by neurodevelopmental and neurological diseases.
Researchers found that hair follicles on the head have the potential to become erythropoietin factories, potentially treating EPO-related anemia. This discovery opens doors to a new approach for treating severe anemia associated with kidney failure and chemotherapy.
Exposure to particulate matter in mice triggers lung macrophages to produce IL-6, leading to accelerated blood clotting and thrombus formation. Targeting IL-6 may decrease the risk of heart problems caused by air pollution.
A team of researchers has determined that human ancestors outside of Africa were more primitive than previously thought, based on analysis of 1.8 million-year-old fossils found in Dmanisi, Georgia. The species had a small stature and brain size similar to earlier African species, with some modern aspects of lower limb morphology.
As personal genomics advances, researchers caution against mass adoption due to ethical, social, and clinical concerns. The integration of genome sequences into routine clinical care poses significant challenges for healthcare systems.
Researchers at UCSD School of Medicine have solved the structure of protein kinase A, a key enzyme involved in memory formation, nerve cell communication, and cardiac function. The study reveals how PKA is inhibited and activated by cyclic AMP, shedding light on its role in cardiac disease and breast cancer.
Researchers discovered that material in the lower mantle behaves differently than predicted by models, indicating a continuous spin-transition zone from 620 to 1,365 miles deep. This finding calls into question traditional techniques for modeling this region of the planet and may explain some experimental findings.
A new study from the University of Michigan Comprehensive Cancer Center finds that cancer patients and their spouses experience similar physical and emotional quality of life. The study, which analyzed data from 263 men with prostate cancer and their spouses, found significant differences in quality of life based on the phase of illness.
Researchers have identified a pattern of fetal mRNAs detectable in pregnant women's blood, which could serve as a baseline for diagnosing genetic diseases. This detection method has the potential to replace invasive prenatal procedures, offering a new approach to monitoring fetal health.
Researchers have developed a new non-invasive prenatal testing method that analyzes mother's blood to detect fetal mRNAs, which could be used for prenatal diagnosis of genetic diseases. In another study, mice exposed to particulate matter were found to have accelerated blood clotting and thrombosis, highlighting the need to target IL-6...
Scientists have located the spin transition zone of iron in Earth's lower mantle, a discovery that could improve our understanding of the planet's structure, composition, and dynamics. The study used advanced techniques to probe the electronic spin state of iron under high pressure-temperature conditions.
Researchers investigating statin effects on heart cells hope to understand disease process better and develop new treatments. The study, led by Dr Sarah Calaghan at the University of Leeds, aims to determine how statins affect caveolae and impact heart behavior.
New research from Northwestern University's Feinberg School of Medicine identifies how microscopic air pollution kills people at risk. The study found that lungs inflamed by the pollution secrete a substance that causes blood to clot, raising the risk of fatal heart attacks or strokes.