Researchers at Baylor College of Medicine have identified two critical genes, Scl and Lyl1, that work together to maintain a pool of hematopoietic stem cells. These 'sister' genes are essential for the survival and function of blood-system stem cells, and their dysfunction can lead to severe consequences.
Canadian researchers and clinicians emphasize the need for increased investment in science and technology to remain competitive globally. The federal budget's reduction of $147.9 million to research councils and programs is seen as a threat to Canada's long-term economic survival.
Carbon nanotubes grow through self-assembly forming a 'tapestry' of twisting threads, where each thread's length determines the tube's growth rate. The research reveals a direct relationship between a nanotube's chiral angle and its growth speed.
Researchers have recorded the earliest evidence of animal life using Hydropyrolysis technology, dating fossil steroids 635-750 million years old. This discovery suggests that simple multicellular animals existed in shallow waters before the Cambrian explosion.
A study on seed beetles found that inbreeding extends male lifespan while shortening female lifespan. The researchers suggest that sex-specific selection may be the underlying cause of these differences.
A study by the Wellcome Trust Sanger Institute suggests that around 1 in 200 human genes may be unnecessary for human health. The researchers found that single-letter changes in genetic code can disrupt proteins, leading to variations that are either beneficial or have little consequence.
A new study reveals that black wolves, the first genetically modified predators, have adapted to changing environments thanks to human dog breeding. The trait, which originated from domesticated dogs, has proven valuable for wolf populations as their arctic habitats shrink.
The article highlights the importance of alternative and complementary medicine (CAM) in healthcare reform, advocating for universal coverage and evidence-based methods. CAM encourages a holistic view of health, promoting whole-systems approaches and multifactorial integrative therapies.
Researchers from Spain have discovered that extra virgin olive oil's polyphenols may help combat breast cancer by inhibiting the HER2 oncogene. The study confirms the anti-HER2 effect of fractions extracted from olive oil in breast cancer cell lines, suggesting a potential basis for new anti-HER2 compounds.
Researchers found that a novel mutated variant of a gene in dogs is responsible for the black coat color in wolves, transferred through matings. The discovery suggests that natural selection has increased the frequency of black coat color in wolf populations across North America.
In a groundbreaking study, scientists have discovered that stars were forming at an incredible rate in the core region of an infant galaxy. With a diameter of just 4000 light-years, the star-forming core of J1148+5251 is incredibly productive and reaches its physical limit.
A meta-analysis of randomized controlled trials found no significant differences between immediate imaging and usual clinical care for patients with acute or sub-acute low-back pain. The authors recommend refraining from routine imaging unless serious underlying conditions are suspected, to reduce unnecessary tests and improve patient ...
Jan-Åke Gustafsson, a renowned hormones expert, has joined the University of Houston faculty thanks to a $5.5 million grant. He will lead the Center for Nuclear Receptors and Cell Signaling, collaborating with other top researchers to develop treatments for diseases such as cancer and diabetes.
Chronic stress can lead to neglected oral hygiene habits, increasing the risk of periodontal disease. Regular exercise, balanced diet, and adequate sleep can help maintain healthy teeth and gums, reducing stress's negative impact on overall health and potentially lowering healthcare expenses.
A Michigan State University study reveals that nearly 70% of minority women trust healthcare organizations, leading to lower breast cancer screening rates. The study found that African-American women had the highest levels of mistrust, with 39% strongly agreeing that health-care organizations don't keep information private.
A new study reveals that large structural DNA changes, known as copy number variants, may be responsible for schizophrenia. Researchers found eight deletions in patients' genomes, two of which were newly identified, suggesting that these rare variations could be causative.
A systematic review of over 13,000 participants found that exposure to alcohol adverts and product placements increases drinking behavior in young people. The study suggests that counter-advertising and social marketing techniques may be effective prevention options for limiting alcohol problems in young people.
Two federal scientists, Martin Raphael and Eric Forsman, have won national awards for their research on the habitat and ecology of the marbled murrelet and the northern spotted owl. Their work emphasizes a strong partnership between research and management to improve the status of these bird species.
Scientists have developed a new equation of state for seawater based on Absolute Salinity, which is expected to provide more accurate thermodynamic calculations. The new approach aims to improve the understanding of seawater's properties and its role in the global heat engine.
Scientists at NRL's Materials Science and Technology Division successfully controlled the spin population of individual quantum shell states in self-assembled InAs quantum dots. This breakthrough enables new spintronics applications, as the electron's spin is used to store and process information.
Researchers Higgs and Gould examine climate's impact on West Nile, Chikungunya, Rift Valley fever, and Bluetongue viruses' spread. Climate change is linked to the northward expansion of Culex imicola midge species, facilitating Bluetongue virus dispersal.
Researchers uncover genetic adaptations in Nautilia profundicola, a microbe thriving near deep-sea vents. These adaptations include genes for temperature fluctuations and nitrate assimilation, aiding the bacterium's survival in extreme conditions.
New research demonstrates how laser-based techniques can create micron-sized light pathways in three dimensions, enabling the detection of faint light from extrasolar planets and galaxies. This technology has the potential to improve the sensitivity and precision of future telescopes, such as the planned European ELT.
A new software called PowerDown automatically shuts down computers after 30 minutes of inactivity, recovering up to £13,000 in electricity costs each month. This reduces power consumption by millions of hours and helps organizations save money on their energy bills.
Isolongifolenone, a natural compound found in the Tauroniro tree, has been proven effective in deterring mosquito bites and repelling ticks. The findings suggest that isolongifolenone could be a cost-effective alternative to DEET for protecting against blood-feeding arthropods.
Researchers at the University of Alberta discovered that hepatitis C virus causes direct damage to liver cells and leads to inflammation. This finding sheds new light on the virus and provides potential targets for therapy.
Scientists have discovered a way to shrink the holes in the mucus layer's netting, allowing it to keep out smaller particles. The technique uses a detergent commonly found in personal care products and has potential applications for protecting against airborne pathogens and nanoparticles.
A new study published by Elsevier found that nearly half of patients with heart failure have problems with memory and other aspects of cognitive functioning. Memory problems, especially short-term memory, were the most common type of cognitive deficit in these patients.
The study predicts a rise in sea levels around North America and southern Indian Ocean due to the collapse of the West Antarctic Ice Sheet, exceeding current estimates by as much as 25%. The ice sheet's melting will cause significant changes in global sea levels, with some regions experiencing rises of up to six meters.
Researchers have successfully prevented cystic fibrosis lung disease in a mouse model by administering amiloride, a drug that inhibits hyperactive sodium channels. Early inhalation treatment prevents chronic lung damage and airway inflammation, providing a new therapeutic approach for the widespread genetic disease.
A global analysis of marine bivalves reveals the echo of ancient mass extinction, with the recovery rate persisting despite latitudinal differences. The study found that the initial post-extinction boom never really fizzled out, but instead slowed to a crawl without returning to pre-extinction levels.
A 390-million-year-old fossil discovery sheds light on the origins of claws in scorpions and horseshoe crabs. The specimen, Schinderhannes bartelsi, features a head with large eyes, paired grasping appendages, and wing-like limbs, providing insights into the evolution of these unique structures.
Researchers from DOE/JGI and FPL have deciphered the genetic mechanisms behind brown-rot fungi's ability to break down cellulose in wood. This breakthrough may lead to more efficient, cost-effective, and environmentally-friendly strategies for biofuels production.
The Gambia has launched a National Programme to eliminate Female Genital Mutilation (FGM), thanks to the pioneering work of UAB researcher Adriana Kaplan. The programme aims to promote alternative rituals that respect tradition while preventing physical mutilations, and will train health professionals in both Gambia and Spain.
The Lancet Editorial emphasizes the need for governments to implement policies focusing on price, availability, and affordability of alcohol. Recent guidance in the UK and Australia advises delaying drinking onset age, but warns that education alone may not be effective without complementary population-level policies.
Scientists tested atorvastatin and lovastatin in animal models but found no efficacy in preventing breast cancer. In contrast, tamoxifen and bexarotene showed significant reduction in mammary tumors when combined with statins.
In plant pollen grains, companion cells provide sperm with instructions that protect DNA from damage and set up gene expression patterns. Small RNAs generated in these cells enter neighboring sperm nuclei and inactivate harmful DNA sequences via RNA interference.
CSIRO's DAC microscopy method measures proteins in solution, allowing accurate dimensions of membrane receptors to be taken. This will help drug companies design more effective pharmaceuticals by understanding the complex structures of these molecules.
A study in mice identified Toll-like receptor 7 as a critical molecule in detecting West Nile virus and recruiting immune cells to clear the infection. The research suggests that drug therapies targeting this signaling pathway could enhance the immune response and promote clearance of the deadly virus.
The University of Oklahoma has received a $398,020 grant from the National Science Foundation to improve instruction in introductory biology courses. The AIBS will provide programmatic staffing and expertise in building an online communication network for the project.
The Observatory on Mental Health Systems will develop research, monitoring, and evaluation programs at national and district levels, improving the human rights of people with mental illness. The observatory's work in Asia and the Pacific region aims to scale up effective mental health services in low- and middle-income countries.
Researchers at Instituto Gulbenkian de Ciência discover mechanism to silence transposable elements in sperm cells, preventing harmful mutations. The technique, developed by Jörg Becker's team, uses small interfering RNA to target and silence these DNA elements.
Researchers developed a new strategy to identify areas within hotspots where they should focus their time, effort and money. They used multiple species and past climate models to estimate the species' past distributions, pinpointing regions that have been climatically stable and likely to harbor diversity.
Researchers found immunological tests to be more accurate in detecting precancerous lesions, identifying over twice as many lesions as HaemOccult test. However, some tests yielded too many false positives, emphasizing the need for high detection rates and reliable all-clears.
A team of researchers observed the sequential development of new species in fruit flies and parasitic wasps after introducing apples to North America. The modification of one species triggers the modification of a second, dependent species, demonstrating biodiversity as a source for new biodiversity.
Researchers identified key elements of dynein's structure and its winch-like mechanism, correcting some mistaken ideas. Dynein is responsible for transporting molecular cargo within cells, powering movement of sperm and eggs, and helping cells divide.
Researchers explore approaches to preserve BBB function and permit effective medicine passage. One technology involves targeting endogenous nutrient transporters, such as SLCs, to facilitate small molecule transport across the BBB.
A study by the University of Gothenburg found that pharmaceutical substances released into the environment can lead to resistant bacteria and harm local ecosystems. The research highlights the need for greater transparency in the production chain to ensure environmentally friendly manufacturing practices.
Researchers at Burnet Institute develop a potential new treatment for prostate cancer using a monoclonal antibody targeting the PIM-1 molecule, which plays a critical role in cell survival and proliferation. Laboratory models show significant inhibition of cancer cell growth, paving the way for clinical trials.
A new study found that teenage girls with higher vitamin D levels had improved muscle function, specifically jump speed and power. The research suggests that vitamin D may be a super nutrient beyond its role in keeping bones strong.
Scientists used a DNA array to catalog microbes in coral reefs, finding diverse microbial populations accompanying disease. The PhyloChip offers a powerful way to track change and shed light on pathogens plaguing coral reefs.
Researchers have discovered that brain activity remains active even when the eyes are closed, with slow fluctuations dominating during rest. The study's findings could lead to advanced diagnostic techniques and a better understanding of brain function.
The ELLA Binational Breast Cancer Study reveals significant differences in breast cancer risk factors between Hispanic and non-Hispanic women. Hispanic women are at a higher risk of triple-negative breast cancer due to family history, while those born in Mexico exhibit increased risk due to geography and environment.
MIT researchers discovered a simple arrangement of proteins produces sturdiest product with great strength and robustness. The optimal composition includes two repeated hierarchies of alpha-helical proteins, providing the basis for optimal material performance.
A new study by Queen's University Belfast emphasizes the importance of licensed medicines for children, with 86% of respondents unaware of unlicensed medicine use. The study calls for more clinical trials to ensure safe and effective treatment, highlighting a need to bridge the gap between adult and child medicine.
A recent study found that urban children with asthma spend an average of 3.4 hours daily on screens, exceeding the American Academy of Pediatrics' recommended limit. This excessive screen time may lead to various difficulties, including behavior problems, attention issues, and obesity.
Researchers found that people dislike McMansions when they're more than two times as tall as surrounding homes and have an incompatible architectural style. The study suggests maintaining stylistic consistency and limiting new home sizes to less than twice the size of neighboring houses.
A comprehensive survey of global spending on neglected disease R&D found that just over $2.5 billion was invested in 2007, with HIV/AIDS, TB, and malaria receiving nearly 80% of the total funding. Many neglected diseases are underfunded, with some receiving less than 4% of global funding.
Researchers have found that bone marrow cells can promote the regrowth of both blood vessels and the protective lining of nerves in diabetic animals. This discovery has potential implications for treating neuropathy in people with diabetes.
A new study suggests that climate change could postpone the recovery of stratospheric ozone in tropical and southern mid-latitudes, leading to increased skin cancer risks for fair-skinned populations. This delay might be caused by changes in air circulation patterns and reduced ozone formation.