PLOS ONE introduces a new approach to open-access publishing, eliminating barriers between authors and their audience. The platform employs powerful search tools, annotations, and discussion threads to facilitate exploration and understanding of diverse content.
Researchers discover non-coding RNA transcript Kcnq1ot1 is essential for paternal-specific gene silencing in mice. The study suggests that mammals have co-opted multiple transcriptional regulatory mechanisms to control imprinted genes, supporting the idea that imprinting evolved gradually over time.
Scientists at OHSU School of Medicine found that bone marrow-derived cells fuse with intestinal stem cells in both normal and diseased tissue, promoting tumor growth and cancer development. This discovery has implications for understanding the balance between rapid regeneration and cancer risk.
Researchers at Scripps Research Institute determined the x-ray structure of EmrD, a multidrug transporter protein in E. coli, which could help understand its mechanism and develop new drugs. The study revealed an internal cavity composed primarily of hydrophobic residues that contribute to drug specificity.
A study published in PLoS Medicine reveals that bioscience companies are formalizing systematic approaches to ethical decision-making, including Ethical leadership, External expertise, and Ethics evaluation and reporting mechanisms. The research shows that these approaches are becoming an integral part of day-to-day decision-making.
Native insects provide valuable services worth $50 billion in recreation industry, $4.5 billion in pest control, $3 billion in crop pollination, and conserving grazing lands valued at $380 million annually. Insects are crucial for human survival, and their ecological functions need to be conserved or enhanced through research investment.
Researchers recommend vaccination campaigns, visa quotas, and rapid repatriation to minimize health hazards during the Hajj. International collaboration is crucial in managing the overwhelming task of Hajj management.
In the Middle East, public education is crucial for reducing genetic diseases linked to close-kin marriage. The WHO defines close-kin marriage as one between individuals who are second cousins or more closely related.
A study found that commercial genetic testing does not detect all cancer-predisposing mutations in BRCA1, BRCA2, CHEK2, TP53, and PTEN among women with breast cancer from high-risk families. The researchers identified previously undetected mutations in 17% of patients, highlighting the need for more accurate genetic testing methods.
Scientists have discovered a way to increase HIV-1 p24 protein production in plants using antibody-antigen fusion molecules, potentially leading to cheaper and more effective vaccines. This technology could also pave the way for mass-producing plant-derived pharmaceuticals for poor populations in developing countries.
Researchers suggest that effective delta and wetland management is crucial for reducing vulnerability to hurricanes. By combining wetland restoration and flood-protection efforts, levees can be used more effectively to protect high-value infrastructure, allowing humans to continue living in precarious coastal communities.
Researchers found combined therapy improved survival rates for patients with AIDS-related lymphoma, comparable to non-HIV patients with lymphoma treated with CHOP. For standard-risk ARL patients, 79% achieved complete remission and 50% survived after 47 months.
Using polarized light, NASA scientist Peter Wasilewski analyzes the colors and patterns in ice crystals to determine their type and consistency for various Olympic sports. He also examines snowflake shapes and forms to understand how they affect performance.
Dr. Peter Worcester is being recognized for his contributions to acoustical oceanography, tomographic inverse methods, and leadership in the US ocean acoustics community. He has led numerous experimental programs to develop and use tomography, including notable experiments north of Hawaii and in the Greenland Sea.
A Mediterranean-style diet rich in olive oil, whole grains, fruits, vegetables, and nuts may reduce the risk of cardiovascular disease in patients with metabolic syndrome. The diet's effects are attributed to its action on inflammation and dysfunction of blood vessel cells.
Genomatix has developed a new version of ChipInspector specifically for analyzing exon arrays, which promises to enhance transcript separation and promoter identification. The updated tool is expected to be released in Q2 2006 and will be an integral part of Genomatix's complete microarray analysis pipeline.
The Wisconsin Mentoring Seminar helps graduate researchers develop effective mentorship skills to improve student productivity and retention. The program has been successful in promoting good scientific teaching through its real-time discussions and collaborative efforts.
The Purdue-IUSM team will focus on three areas: intelligence analysis, emergency planning, and healthcare monitoring. They aim to create a comprehensive picture of information for decision-makers using advanced visualization tools.
Researchers have detected gamma rays from radioactive aluminium (26Al) originating from the central regions of the Galaxy, indicating an ongoing process of new atomic nucleus production. The estimated total amount of radioactive 26Al is equivalent to three solar masses, corresponding to a galactic rate of supernovae every 50 years.
The study proposes a novel model of neural circuitry that fine-tunes behavior through feedback inhibition, potentially explaining regulatory mechanisms like temperature control and satiety. This framework provides a new tool for exploring working memory complexities and understanding mental health and disease.
A new study published in Cancer Research found that artificial light at night can stimulate the growth of human breast cancer cells in laboratory mice. The researchers discovered that melatonin, a hormone produced by the brain, plays a key role in regulating tumor growth and development.
Researchers developed a strategy to deliver PDGF-BB to cardiomyocytes using self-assembling peptide nanofibers, protecting them from injury and reducing infarct size. This approach holds promise for tissue regeneration after cardiac injury.
Researchers have developed a strategy to deliver PDGF-BB to the infarcted heart using injectable self-assembling peptide nanofibers, protecting cardiomyocytes from death and preserving cardiac function. The therapy reduced infarct size and improved cardiac function in rats.
The Mayo Clinic Cancer Center has reported significant advancements in quality of life assessments for cancer patients. The researchers tackled philosophical and statistical issues to develop practical methods for capturing QOL data. They emphasized the importance of including patient perspectives to provide personalized care.
The APL contributed significantly to the success of the Flight Test Mission (FTM) 04-2, a live event that verified the Aegis BMD 3.0 weapon system's performance against a more difficult threat.
A new 12-point plan provides guidance on conducting email-based health research, emphasizing the need for informed consent, identity protection, and confidentiality safeguards. The plan aims to maximize technical knowledge and secure the research process.
A study found that 45% of heart patients use complementary or alternative medicines, but only 39% believe their doctors should know. Physicians must educate patients on risks and provide safe alternatives to prevent life-threatening interactions with prescribed cardiac medications.
A mutation in ankyrin-B gene causes cardiac arrhythmia, leading to sudden death in young people. The disorder disrupts calcium balance in heart muscle cells, making patients vulnerable to arrhythmias.
A team of scientists proposes releasing captive-bred California condors near marine mammal breeding grounds to restore their natural diet. The study suggests that whales and seals have been an integral part of the condor's diet since the last Ice Age, providing a potential solution for conserving endangered populations.
Body checking in youth hockey was found to cause relatively few injuries compared to unintentional collisions with boards or players. Despite this, researchers recommend delaying body checking until players are at least 16 years old due to increased injury rates among 13-year-olds.
This issue features studies on variability in NGC2301 II, superhumps in cataclysmic binaries, and host galaxies of QSOs at high redshift. Researchers also investigate data exchange standards for optical interferometry and analyze seeing data for the Advanced Technology Solar Telescope.
A study of 14,355 children aged 9-14 found that eating fried foods away from home led to higher body mass index and dietary patterns associated with excessive weight gain and chronic diseases. The researchers recommend limiting fried food consumption and promoting family dinners for healthier eating habits.
A team of researchers, including Brandeis University, is studying the role of glial cells in individual synapses and neural networks. The project aims to deepen understanding of glial cell function and its potential impact on diseases originating from malfunctioning glial cells.
Researchers found a significant drop in biomass burning methane emissions from 1500 to 1600 due to indigenous population decline in South and Central America. Methane levels have increased by nearly 300% since the Industrial Revolution, with human activities accounting for 60% of atmospheric emissions.
A US-led research team discovered a potent cancer-fighting drug, dimethyl-celecoxib (DMC), which overcomes the limitations of its anti-inflammatory cousin celecoxib. DMC halts tumor growth even in drug-resistant multiple myeloma cells and may reduce cardiovascular side effects.
The British Antarctic Survey has selected a futuristic design for the new research station, which features modular construction and renewable energy sources. The winning design won against three other teams that presented innovative concepts for the challenging construction project on Earth.
A newly discovered invasive parasite is destroying the small sunbleak minnow's ability to spawn, potentially threatening freshwater ecosystem diversity and stability. The parasite, found in Asian gudgeon fish, causes near 100% failure in successful spawning, wiping out local populations over several generations.
This study found that consumers overestimate the impact of negative external cues and underweight positive cues when they are inconsistent. The relationship between positive and negative product cues is strongest when abundant intrinsic attribute information is present, suggesting a moderating effect on consumer judgments.
The ARVO Foundation has received a $500,000 gift from Alcon Laboratories to launch a new clinician-scientist mentoring program. The program aims to foster interactions between basic scientists and clinicians, while also recognizing the importance of clinician-scientists in ophthalmic research.
Researchers found that individuals over 80 with active root caries had twice the odds of cardiac arrhythmias. The study suggests that oral health issues in older adults can be a marker of general physical decline and may require serious attention.
Astronomers have detected a unique visible light component that varies with gamma rays, suggesting a common origin for both. This finding contradicts previous theories and sheds new light on the nature of these powerful cosmic events.
Breast cancer tumors hijack normal wound-healing processes by exploiting stromal cells' production of SDF-1, which recruits endothelial precursor cells for tumor growth. This process enables tumors to access nutrients and grow unchecked.
Researchers developed an Interactive Scanning Electron Microscope (iSEM) system to simulate the capabilities of a $200,000 analytical instrument in classrooms. Students can measure and analyze objects in detail, simulating real-world experiments previously only accessible to graduate students.
Researchers find nanomagnets exhibit 'upturn' in magnetization due to Bose-Einstein condensation, challenging Bloch's temperature law. This new understanding can predict high rate of saturation magnetization in ferromagnetic nanocomposites.
Researchers have identified a novel protein, MKRN1, that regulates telomerase activity and maintains cellular telomere lengths. Increasing MKRN1 levels in cells promotes the degradation of telomerase enzyme hTERT, leading to decreased telomerase activity and shorter telomeres.
Researchers found decreased calcium responses in olfactory receptor cells from patients with bipolar disorder. These findings may provide new targets for drug development and improve treatment predictions.
A study found that 53.6% of patients had at least one unintended medication discrepancy upon hospital admission. The most common error was omitting a regularly used medication, with 38.6% having the potential to cause moderate to severe discomfort or clinical deterioration.
A new study by Kari Lerum examines the impact of sexual banter and power dynamics in three restaurant settings. She found that within certain cultural and organizational contexts, these encounters can help create a sense of belonging and empower workers to have control over their working conditions.
A recent study published in JAMA found that long-term high consumption of red and processed meat is associated with an increased risk of colon cancer. The study, which included over 148,000 adults, also found that poultry and fish consumption was inversely linked to colon cancer risk.
Ali Nayfeh, a renowned Virginia Tech engineer, has been honored by the American Society of Mechanical Engineers (ASME) for his lifetime contributions to nonlinear dynamics. He joins the Office of Naval Research's HiCASS team to develop ship-to-ship transfer capabilities, a crucial technology for naval operations.
The American Association for Cancer Research and The V Foundation are awarding $600,000 in grants to four cancer research teams, led by top scientists, to accelerate progress against cancer. The grants will support translational research projects that aim to improve survival and quality of life for patients.
Researchers at MIT have created a new mouse model of cancer syndrome by introducing point mutations in the tumor suppressor gene p53. The study shows that these subtle mutations can lead to a broad range of tumors in mice, potentially providing insights into treating cancers with similar genetic profiles.
A new NASA book, 'Touch the Sun,' allows visually impaired students to explore solar science through embossed color pictures, Braille, and large-print descriptions. The book features 16 photographs of the sun and space weather, selected by Dr. Joseph Gurman and Steele Hill.
A large phase III trial showed that sequential treatment with ELLENCE delivered superior disease-free and overall survival compared to FEC 100 alone. The sequential regimen resulted in a 17% reduction in relapse risk and a 23% reduction in mortality risk.
A new study links resistin to inflammation, insulin resistance, and obesity. Resistin levels increase in human macrophages treated with endotoxin or cytokines, suggesting a role in promoting diabetes through insulin resistance.
Researchers at Mount Sinai School of Medicine discovered a new mechanism that contributes to the development of some breast and ovarian cancers, involving the Wnt pathway. Compounds blocking this receptor can make cancer cells more sensitive to agents that induce cell death.
Scientists discovered how neurons communicate by removing a specific part of the calcium channel molecule, disrupting neurotransmitter release. The study, published in PNAS, sheds light on the fundamental process of neural communication, providing insight into cellular structure and function.
Mayo Clinic has been awarded a major NIH contract to conduct genomic research on smallpox vaccination, utilizing its advanced genomics technology center and biostatisticians. The study aims to identify gene polymorphisms affecting susceptibility to infection and response to vaccination.
The grant aims to develop rapid, efficient methods for producing membrane protein samples for structure determination and physiological function investigation. Membrane proteins are a major target for many drugs on the market, and this research has significant medical potential.
Researchers at Boston University have developed a new type of memory cell that outperforms traditional chip-based systems in terms of speed, density, and power consumption. The nanomechanical memory cell can retrieve information at speeds of millions and billions of cycles per second, while operating on minuscule amounts of power.