Chronic leukemia affects 9,700 Americans annually, with unusual microRNAs enabling damaged cells to survive. Researchers discovered that miR-15 and miR-16 play a crucial role in controlling Bcl-2 levels, leading to tumor growth.
Researchers from NIST and UC Berkeley use NEXAFS spectroscopy to track chemical reactions, molecular reordering, and defect formation in organic electronic devices. The study reveals the importance of film structure and composition on charge carrier movement, offering a new tool for improving device performance.
A new study by Beth Israel Deaconess Medical Center reveals a significant link between heavy drinking and atrial fibrillation. The research, which analyzed data from 16,415 individuals, found that men who drank 35 or more alcoholic beverages per week had a 45% increased risk of developing the hazardous heart rhythm.
A new Yale study reconciles two long-standing models of schizophrenia: the dopamine hypothesis and the PCP Model. Researchers found that drugs like ketamine, which block glutamate receptors, produce a more complete schizophrenia-like state than amphetamine.
A novel star-shaped metal clip, StarClose, seals arterial punctures in humans, stopping bleeding in just 37 seconds. The device's success rate is 92%, outpacing traditional closure methods which require patient rest for four hours.
Research at Georgia Tech suggests that native plant eaters prefer exotic meals over native plants, contradicting the enemy release hypothesis. This finding supports the 'new associations' hypothesis, which states that newly introduced plants may lack defenses against native consumers due to their evolutionary history.
The PROactive study shows that ACTOS significantly improves cardiovascular outcomes by reducing heart attacks, strokes, and death in high-risk patients. The study found a 16% reduction in life-threatening events and significant improvements in lipid profiles, blood pressure, and insulin resistance.
Researchers analyzed fossil records of Tiger Salamander to track morphological traits over the last 3,000 years. The study found that paedomorphic individuals were smaller than terrestrial adults during the Medieval Warm Period, reflecting a response to warm and dry climate conditions.
Limiting free antiretroviral medicine access to only treatment-naïve patients puts patients at risk of adverse effects and can slow treatment enrollment. Human rights issues arise when some individuals are denied medication due to financial constraints, potentially leading to their demise.
The Keck School's grant will train graduate students and post-doctoral fellows across 27 departments, developing courses on bioethics and cutting-edge gene-transfer technology. The program aims to create a pipeline of highly trained researchers for CIRM-funded projects.
Researchers discovered that photolyase uses energy from visible light to repair UV damage in plants and animals, with water playing a key role in the process. This enzyme is missing in humans and other mammals, making them more vulnerable to skin cancer.
Destabilization of microtubules interferes with NMDA receptor action, affecting cognition and emotion. Dysfunction of this regulation may provide a potential mechanism underlying many mental disorders.
Research using Kaiser Permanente's ATRIA Study cohort found that women with atrial fibrillation have a higher incidence of ischemic stroke when not taking Warfarin therapy. The study indicates being a woman is an independent risk factor for stroke, influencing treatment options.
Childhood cancer survivors are more likely to experience academic problems, social isolation, and difficulties with friendships. Researchers found that these issues affect up to 46% of survivors, particularly those with brain cancers, leukemia, or neuroblastoma.
Researchers found that homeless mothers are 2.9 times more likely to have a pre-term delivery, while those with substance abuse are 6.9 times more likely to give birth to an infant weighing less than 2000 grams. This highlights the urgent need for healthcare support and interventions for these vulnerable populations.
A new model of the immune system predicts that chronic infections can lead to autoimmune diseases. Researchers developed a biologically-plausible strategy for the immune system to react more quickly and effectively against disease.
The study found that repeated administration of interferon beta-1b decreased the rate of new 'black hole' lesions but did not affect their duration. This suggests that the drug may be neuroprotective but does not change the underlying pathological process in multiple sclerosis.
The project will address the physical structure of the grid and its computer communications network. Researchers will determine which parts are sensitive to failure and analyze marketing and technical aspects to improve security.
A review by Devereaux and colleagues highlights the risks of non-cardiac surgery, with 500,000 to 900,000 patients experiencing cardiac events each year. The authors discuss methods for estimating risk pre-operatively and communicating these findings to clinicians.
The research provides a comprehensive whole genome map of genetic variability in Parkinson's disease, highlighting 12 potential 'susceptibility' genes. The findings may lead to new insights into the causes of Parkinson's disease and inform future research efforts.
Researchers at Rensselaer Polytechnic Institute have developed a technique to make magnetic diamond particles, which could find use in medicine and information technology. The tiny magnets have several advantages over metal counterparts, including being lightweight, stable, simple to process, and less expensive.
A large prospective cohort study of 24,403 postmenopausal women found that higher soy intake was associated with a significantly lower risk of fracture. Soy protein and isoflavone intakes were inversely related to fracture risk, with a notable reduction among those in the highest intake groups.
A team of international scientists are conducting a three-day simulation at Sandia National Laboratories to prepare for the Tropical Warm Pool International Cloud Experiment. The experiment aims to collect detailed data sets on tropical convection and improve computer models simulating clouds and climate.
A study in New Hampshire found that many women, especially older ones, are not getting regular mammograms. The researchers used registry data to track actual use, finding 36% of women over 40 had never had a mammogram or hadn't had one in 27 months.
A new study reveals that women who suffer from heart attacks are more likely to experience longer hospital delays compared to their male counterparts. The study, which analyzed data from six major hospitals in Dublin, found that women were medically assessed an average of 30 minutes after arrival, while men received medical attention i...
A study has found a significant connection between the CAPON gene and schizophrenia, with brain samples from patients showing higher levels of the short form of the protein. This increase was predominantly seen in individuals with variants of the CAPON gene previously linked to schizophrenia.
A recent study found that a single water molecule can catalytically enhance the oxidation of carbon monoxide to carbon dioxide at low temperatures. This breakthrough could lead to new channels of reactivity using polar molecules like water.
Researchers found that a natural product of vitamin A can regulate immunity and enhance vaccine response when combined with PIC. The combination resulted in a four to seven times better immune response compared to individual treatments.
The Dr. Paul Janssen Award for Biomedical Research aims to recognize and reward innovative contributions to human health, as identified by a six-member international selection committee. The first Award will be presented in September 2006, with a $100,000 prize and global recognition for the recipient.
Researchers found that MXC alters estrogen-regulated gene Hoxa10 in the reproductive tract, reducing embryo implantation ability. Exposure to MXC has been shown to induce abnormalities in female reproductive tract development and function.
The study found a cellular protein called HVEM acts as an 'off and on switch' for immune responses, enabling communication between T lymphocytes and other cells. This discovery could lead to new treatments for autoimmune diseases by mimicking HVEM's action.
A study by Yale University researchers found that most embryos produced during IVF do not result in live births. The study aimed to identify methods for screening viable embryos and improve egg production techniques.
A team led by Neil Gehrels' Swift science team detected the afterglow of a gamma-ray burst (GRB) with a redshift of 6.29, confirming Lamb and Reichart's earlier prediction from 1999. This discovery smashes the old distance record by 500 million light years.
Georgetown University researcher aims to create mathematical model of how the brain recognizes objects in different scenes. His work has applications in artificial intelligence and understanding neurodevelopmental disorders like autism.
The study highlights the complex interplay between genetic and environmental factors in determining human aging. While there is no single gene responsible for aging, genetics account for approximately 25% of how a person ages, with stress, environment, nutrition, lifestyle, and immunity also playing significant roles.
Obese patients with coronary artery disease can benefit from bariatric surgery, which leads to significant weight loss and improvements in blood pressure, cholesterol, and sleep apnea. However, diet and exercise should remain the primary approach for weight management before considering surgery.
The study found that 70% of teachers incorporated computers into their classroom practices after working with researchers. Effective use of ICT enhances the teacher's role, improves the learning environment, and increases student engagement. However, many teachers lack confidence in using technology due to limited training.
A HealthGrades study reveals a significant rise in patient-choice C-sections, with rates varying widely across states. The study found that Arizona had the smallest increase, while Nevada saw the largest jump of 56.7%, highlighting the need for awareness and informed decision-making about these procedures.
Researchers demonstrate that reducing trauma to the artery and using anti-clotting drugs are key to successful stent placement. The study's findings suggest an 8.5% true clinical restenosis rate after two years.
Mental disorders are a major cause of sickness, disability, and premature mortality in developing countries. Treating mental disorders is crucial to achieving goals such as eradicating extreme poverty and hunger, reducing child mortality, and improving maternal health.
A new method predicts the risk of emergency caesarean section for women attempting a vaginal birth after a previous caesarean section. The method takes into account several factors, including maternal age and sex of the baby, to identify those at low risk of complications.
Exposing cells to chloroquine prevents acidification of compartments, allowing proteins to escape and be broken down into smaller pieces displayed to cytolytic T cells. This boosts hepatitis B virus-specific T cell responses in up to 70% of vaccine recipients.
The National Institute of Standards and Technology (NIST) has provided critical shielding data to NASA, enabling the resumption of space shuttle flights. The NIST system measures electromagnetic shielding characteristics in key locations, allowing NASA to set safe power levels on radar systems.
The UN's Deputy Secretary General orders delay on measurement of life-saving goals, citing concerns over 'distracting' from desired results. This decision diverts attention from a key problem: concrete trends toward helping people in extreme poverty often lack verification.
A study of 1,001 women found that oral contraceptive users had a 40% lower incidence of multiple sclerosis compared to non-users. Pregnancy also showed a lower risk, while the postpartum period increased the risk of MS onset. Estrogen levels may play a role in these findings.
A new guideline suggests a blood test can help identify the type of seizure, distinguishing between generalized tonic-clonic seizures and complex partial seizures. The test measures prolactin levels in the blood after a seizure.
Men with high PSA levels prior to prostate removal surgery were significantly more likely to have advanced clinical stages of cancer and higher grade cancers in surgically removed tissue. Increasing PSA levels after surgery were also associated with increased risk of cancer recurrence.
Rokach's research focuses on designing and synthesizing radio- and photo-affinity ligand molecules to bind to the disease-causing enzyme, which contributes to asthma, inflammatory bowel disease, and psoriasis. The grant will support his work on identifying the structure of the enzyme.
The Gladstone Institutes will develop a core curriculum of required and elective courses spanning various stem cell research disciplines. The CIRM Scholars Training Program aims to advance regenerative medicine by focusing on understanding the fundamental mechanisms related to stem cells.
A report on vaccine markets is criticized for favoring large firms and delaying access to effective vaccines. The author recommends using advanced purchase commitments as a complement to research funding.
A study of Hispanic individuals found a high prevalence of visually significant cataract, with rates higher than in African American or white populations. Language and financial barriers were identified as key factors hindering access to cataract surgery.
The study found two relapse peaks after surgery for breast cancer, with 20% of premenopausal patients relapsing within 10 months. Calculations predict that surgery-induced angiogenesis accelerates disease by two years and produces early deaths among screened young women.
Researchers at Temple University have found a link between the Rb2/P130 gene and lung cancer, with epigenetic activity causing the gene to be silenced. A simple genetic test could identify cancerous or pre-cancerous conditions using this epigenetic state.
Scientists at The Wistar Institute have identified the cancer gene MYC as activating the metastasis gene MTA1, a key regulator of tumor spread. Blocking this pathway may prevent metastasis and inform the development of new therapies.
The ULTRA AP concept vehicle combines proven technologies with advanced materials and engineering concepts to enhance survivability and mobility. The design incorporates novel armor designs, blast protection, and on-board computers for improved safety and performance.
The US National Science Foundation and Japan will collaborate on disaster prevention research through shared access to experimental facilities, including the world's largest shake table. The agreement also includes the exchange of scientists and engineers.
A Canadian Medical Association Journal study finds that children living in low-income neighborhoods are at high risk of overweight and obesity. The research suggests that school programs promoting healthy lunches and physical activity could be effective preventive measures.
The study found that heritability of osteoporotic fractures is stronger than previously estimated, especially for early-occurring fractures. Genetic variation in liability to fracture differed considerably by type of fracture and age at fracture event.
Researchers at UGA College of Veterinary Medicine have identified a new way to combat viral diseases by blocking a protein that helps transport viruses out of cells. This approach, targeting the host gene Rab9, shows promise in preventing the replication of four different viruses: Marburg, Ebola, HIV-1, and measles.