Children with leukemia who received central nervous system chemotherapy are at risk of learning difficulties later in life, according to a new study. The treatment may cause cognitive decline and academic struggles, particularly in reading, spelling, and arithmetic.
The National Institute on Drug Abuse's Principles of Drug Addiction Treatment outline essential components of effective treatment based on 30 years of research. The guide highlights the importance of individualized approaches and treatment effectiveness.
Researchers at Ohio State University developed a more efficient cooling system for microelectronics by doubling the number of tiny tubes in a two-layered design. This new heat sink can cool devices like computers and lasers with reduced power consumption and bulkier packaging.
Researchers have discovered a genetic on-off switch in yeast that could be used to control insulin levels in diabetics. The switch, consisting of two main parts, can be turned on or off by adding a chemical inducer, allowing for tight control over gene expression.
A new study suggests that Hillary Clinton's popularity among the American public is driven mostly by media coverage, with less influence from partisanship and national issues. The research found that negative media coverage has a greater impact on public reaction than positive coverage.
The U-M research will systematically study the proteins made by tumor cells, genes that instruct them, and subtle differences among proteins from different types of tumors. The goal is to develop rapid-analysis technology to detect cancer early and predict treatment response.
Günter Blobel's work on protein signaling discovered the importance of signal sequences in targeting proteins to their proper intracellular destinations. His research has led to a deeper understanding of protein trafficking, with implications for drug delivery and cellular processes.
A study of 2283 children aged 8-10 found that those living on farms were 3 times less likely to develop hay fever and asthma. Regular exposure to microbial antigens in stables may play a role in developing immune tolerance.
World leaders discuss economic, ethical and human rights issues underlying healthcare resource allocation for HIV/AIDS. The meeting highlights the need for better balance of resources between prevention and treatment, as well as access to essential drugs and treatments.
A Penn State researcher found that nearly three-fourths of women addicted to crack cocaine engage in prostitution to support their habit, highlighting the need for comprehensive support services. The study suggests that programs should offer housing, education, and job training to help these women escape poverty and addiction
Researchers have developed a model to study viral evasion and co-option of cellular defense strategies, revealing that persistent infection is achieved by suppressing cell suicide. Physiological changes occur, including slower growth and reduced virus infectivity over time.
Researchers used angle-resolved photoemission spectroscopy to study the electronic structure of Nd-LSCO, finding charge carriers segregated into one-dimensional lines and exhibiting quantum fluctuations that give rise to two-dimensional effects. This discovery may help resolve a paradox between different theories of superconductivity.
The new HIVWatch database, developed at UC San Francisco, tracks real-world treatment outcomes for patients with HIV disease. Preliminary data show an increase in CD4 cells among patients at their first clinic meeting, but a stable viral load, suggesting further analysis is needed.
Researchers at Thomas Jefferson University and Oxford University have found a promising drug against the hepatitis C virus (HCV), called N-nonyl-DNJ, which inhibits the activity of an important cellular enzyme, glucosidase. This drug may sidestep resistant viruses, a major problem with current treatments.
A recent survey by researchers at the University of Michigan Health System found that patients (70%) and physicians (83%) want to communicate via e-mail, but only 14% and 27% are currently using it. The study aims to facilitate electronic communication between patients and their doctors.
A study by Brown researchers has found that the brain releases a naturally produced cannabinoid called anandamide in response to pain. The substance produces analgesia and may provide a new approach to treating chronic pain, particularly in cases where opiates are ineffective.
Pacifichem 2000 will bring together leading researchers in the Pacific Rim countries to discuss topics such as food antioxidants, extremophiles and organic superconductors. The conference features over 179 symposia on various subjects including medical applications, nanomaterials and marine natural products.
Researchers have discovered a reversible lipid imbalance that may be responsible for the common symptoms of cystic fibrosis. Administration of DHA corrected the imbalance and reversed signs of cystic fibrosis in mice with the genetic defect.
Researchers have developed a statistical technique to determine how different positions in a protein interact with each other. This breakthrough will help scientists understand protein function more efficiently, leading to the development of more effective drugs for various diseases.
Researchers found that patients with high levels of depression and anxiety had poorer results in reducing blood sugar levels, even after practicing relaxation techniques. However, those without these conditions experienced significant improvements in blood sugar control.
A recent study suggests that the immune system protein CD2AP may play a critical role in kidney function. Researchers found that mice lacking CD2AP developed defective glomeruli and died of renal failure, highlighting the protein's importance in maintaining kidney health. The discovery also sheds light on other diseases, such as congen...
Research suggests that strong traditional values among Southern Black women may be a key factor in lower smoking rates among African-Americans. The study found that Black adults in the non-urban South had the lowest smoking prevalence rates, with 11% of those aged 18-24 living smoke-free. This trend holds true for Southern Black women ...
The three-dimensional structure reveals that invasin is a rod-like protein resembling five tandemly arranged beads. Researchers now have a more specific target for developing antibacterial agents, as blocking binding to crucial regions of the invasin receptors should prevent bacterial entry into cells.
A University of North Carolina at Chapel Hill marine scientist has warned of potentially devastating effects of Hurricane Floyd on the nation's largest lagoonal estuary, Pamlico Sound. The storm could lead to catastrophic flooding, runoff, and low oxygen conditions, harming commercial and recreational fisheries.
Scientists will gather at the University of Michigan to discuss technical problems in measuring global carbon emissions, including identifying 'sinks' for locking up atmospheric carbon. The three-day symposium aims to advance our understanding and verification of carbon credits.
The introduction of non-native smallmouth and rock bass into Canadian lakes has profound effects on native fish populations, particularly lake trout. The study uses stable isotope techniques to quantify the food-web consequences of recent invasions, revealing a dramatic impact on ecosystem functioning.
A clinical trial is underway at UCSF to test the effectiveness of traditional Tibetan medicine as a sole therapy for advanced breast cancer. The trial, led by Yeshi Dhonden and Dr. Debu Tripathy, aims to evaluate the impact of individualized herbal therapies on tumor size in women with stage IV breast cancer.
A new MIT study analyzes the economic and atmospheric impacts of the Kyoto Protocol, showing that controlling multiple gases can greatly reduce costs. The research indicates flaws in the protocol's 'yardstick' for comparing greenhouse gases, highlighting the need for an integrated systems approach to mitigate climate change.
Researchers at the University of North Carolina have identified latent membrane protein 1 as a key contributor to Epstein-Barr virus-induced cancer. The study found that mice with this protein developed lymphoma, highlighting its role in cancer development and potential target for prevention.
Researchers found that extracts from Scutellaria baicalensis significantly reduce cellular damage due to free radicals. The extract helped cells regain their ability to contract rhythmically after simulating cardiac arrest, reducing cell death by 47% compared to untreated cells.
The award encourages young science writers by recognizing outstanding reporting and writing in any field of science. The winner will receive $1,000 and expenses to attend the annual meeting of the American Association for the Advancement of Science.
Research suggests that decreased perception of pain, or hypoalgesia, may precede the onset of hypertension in individuals at high risk. The study found that men and women with hypertension are more likely to suffer an unrecognized myocardial infarction due to suppressed chest pain during episodes of myocardial ischemia.
The CU National Snow and Ice Data Center has posted avalanche awareness information on its website to educate skiers and backcountry enthusiasts. The materials provide guidance on evaluating snowpack stability, recognizing danger signals, and surviving avalanches, with links to related sources.
Scientists have discovered that the myc gene is even more powerful than previously believed, controlling cell growth and division while disabling brakes on growth. The findings mark a significant step towards understanding how faulty cell signals lead to cancer.
A new study suggests the West Antarctic Ice Sheet's complete disintegration in 7,000 years could be inevitable due to its potential instability. The ice sheet's collapse would raise global sea levels, flooding low-lying coastal regions and posing a significant threat to global climate patterns.
A new model of HIV decline during treatment suggests that antiretroviral therapy drives HIV down to stable levels, varying with drug efficacy. The model proposes that significant numbers of CD4+ T cells become infected with HIV after treatment initiation, leading to a gradual decline in viral load.
Researchers have reported the highest and most stable electron emission densities observed to date, desirable for flat-panel displays and microwave amplifiers. The carbon nanotubes' sharp tip and chemical robustness contribute to their superior stability and uniform emission.
Researchers found that estrogen can reduce the risk of developing cataracts by up to 77%, with estradiol and estrone showing particular promise. The study used rats with induced ovarian failure to test the effects of different estrogens on cataract development.
A team at the Naval Research Laboratory has successfully demonstrated room-temperature operation of an interband III-V laser diode emitting at a wavelength beyond three microns. This achievement brings gallium-antimony-based technology closer to practical and portable mid-infrared systems needed for military and commercial applications.
The NIAID is spearheading a collaborative network to develop new ways of inducing immune tolerance, promising improvements in transplant success rates and treatment for autoimmune diseases. Researchers will conduct clinical trials using 'tolerogenic approaches' to selectively modulate the immune system.
Researchers have developed a suite of software tools called GETWEBS to design and evaluate broadband wireless systems. The project addresses key components of the wireless industry, including evolving technology, environment interaction, and system integration.
Researchers advocate for standardized examination techniques to improve physicians' precision and accuracy in screening for breast cancer. The study found that spending adequate time on the clinical breast examination (CBE) and using proper techniques can increase early detection of lumps in the breast.
A Mayo Clinic study found that a genetic defect known as long-QT syndrome may be the cause of many unexplained drownings. The research identified a genetic mutation in a 19-year-old woman who died after a near-drowning, and subsequent testing revealed that her mother and sister also had inherited the condition.
Researchers at the University of Chicago are developing new therapies to induce immune tolerance for islet transplants and autoimmune diseases. The grants aim to improve the success of transplants and treatments for type 1 diabetes, lupus, and rheumatoid arthritis.
Emory researchers verify the role of visual cortex in processing sensory information, including touch. The study reveals that visual imagery facilitates tactile discrimination tasks, such as distinguishing orientation via touch.
Researchers at NRL have created a new type of glass material for use in future opto-electronic devices, which could lead to advancements in optical sensors, miniaturized optical systems, high-speed communication components, and more. The material's properties are highly dependent on its layered structure and composition.
The SHOWEX experiment aims to better predict wave formation and severity, improving navigation safety at sea and weather forecasting. Researchers will use a range of instruments, including aircraft, craft, buoys, and subsurface sensors, to study wave components and their interactions.
Researchers find that African ants' pruning behavior increases colony life span, but harms host trees, sparking debate on ecological partnerships. The study sheds light on why weaker competitors can persist in diverse ecosystems.
Researchers at UNC-CH will investigate prostate cancer mechanisms, including the role of androgens, to develop a potential cure. The team aims to understand why black men develop prostate cancer twice as often as white men do.
Researchers at the University of Delaware have created a porous, rainbow-colored metal that acts like a prism, diffracting a spectrum of colors. The material's tiny holes are 20,000 times smaller than existing metal meshes and could be used to steer light in photooptic computer components.
Augusto Sola, a renowned pediatrician, will be honored with the E.H. Christopherson Award for his pioneering efforts in improving neonatal and perinatal care in Central and South America. He has developed training programs for healthcare providers and trained over 100 nurses and 200 physicians.
A microscopic fungus infecting common eastern US grass, tall fescue, can significantly impact plant diversity and local ecosystems. The fungus alters the host plant's growth, making it more toxic to other herbivores and drought-resistant.
Scientists from NASA and Colorado State University present research on the link between water vapor and climate change, highlighting its significant impact on global warming. Water vapor's unique molecular structure and potential heat stored within it influence storm formation and atmospheric circulation.
The North Carolina Health Professions 1998 Data Book shows a 5.4% increase in doctors and a 19.2% rise in nurse practitioners, with the greatest growth in rural counties. However, disparities remain, with some counties having no dentists or just one dentist per 9,000 residents.
Researchers have found that smoke from forest fires practically shuts off the 'warm rain' processes that create rain in tropical clouds. The cloud tops must grow above the freezing level for an alternative mechanism to start producing rain. This study, based on TRMM data, provides direct evidence of the impact of smoke on rainfall.
Researchers at the University of Illinois have isolated and characterized an insulin gene from the marine mollusk Aplysia californica. The study reveals a unique peptide, the 'D' peptide, which is separated from the standard two-chain insulin structure by a 'C' peptide.
A study found that 80% of colonic bacteria contain a gene resistant to tetracycline, highlighting rapid spread of resistance genes. The discovery suggests that other resistance genes are also moving along with the tetracycline resistance gene.
The conference will focus on ibogaine's mechanism of action and clinical, cultural, and political issues surrounding its use. Leading experts in neuroscience, ethnography, and sociology will present on the compound's effects and potential applications.
A cluster of 256 Intel Pentium III microprocessors linked together has created the largest
Researchers have successfully synthesized a look-alike enzyme for hydrogenase, which could lead to an inexpensive and abundant supply of hydrogen. The new version contains 25 atoms instead of thousands found in natural enzymes, but still needs improvement to fully function as a catalyst.