Researchers at institutions in developing countries can now access the scientific subset of the web using Scirus and TEK, reducing connectivity charges. The collaboration between Elsevier and MIT aims to provide a robust and user-friendly service to researchers globally.
Researchers found L1 in large quantities exclusively in aggressive colon cancer cells, enabling them to invade and metastasize more effectively. The discovery may have important implications for diagnosing colon cancer and designing new therapies.
Researchers found encouraging preliminary findings in four patients with CLL who improved after taking EGCG, an extract of green tea. However, more studies are needed to determine the optimal dose and side effects before recommending widespread use.
Researchers discovered that TRAF3 is essential for producing type I interferons and IL-10, a protein preventing inflammation. Cells lacking TRAF3 over-produce inflammatory proteins, highlighting its role in controlling the immune response to viruses.
Researchers discover that mutant lamin A proteins interfere with key controls of gene expression and cell cycle, leading to rapid aging in HGPS patients. The study suggests that similar missteps may be part of normal human aging.
A high-fiber diet from whole plant foods, but not isolated to cereal consumption, has been related to lower risks of chronic conditions such as heart disease and diabetes. However, a pooled analysis of 13 prospective cohort studies found no association between dietary fiber intake and reduced risk of colorectal cancer.
Researchers will use a tumor biopsy or blood examination to identify a 'gene signature' that indicates aggressive prostate cancer, allowing patients to make informed treatment decisions. The study aims to improve outcomes for up to 30% of men with prostate cancer who do not require radical treatments.
A team of researchers has successfully engineered a drought-resistant gene into tomato plants, resulting in stronger root systems that can better utilize limited water. The technology could be applied to all crops, addressing the global concern of water scarcity and potentially increasing food production.
A Swedish study found that peacetime grenade stockpiling leads to environmental harm from metal mining and explosive residues. Replacing plastic with copper could make grenades more environmentally friendly, according to the authors.
Harvard researcher Martin Nweeia discovers that the narwhal's tooth has hydrodynamic sensor capabilities, allowing it to detect salinity and particle gradients in Arctic waters. This unique adaptation enables the whales to survive in their icy environment and potentially discern prey.
A team of researchers assembled ancient gourd remnants across the Americas and found they matched modern gourds in Asia, suggesting a pre-pottery Asian origin. The findings indicate that people arrived in the New World with domesticated plants and tools, changing our understanding of the founding of the Americas.
Researchers isolated Sirius B's light using Hubble Space Telescope, measuring its mass based on gravitational redshift. The result indicates Sirius B has a diameter less than Earth's but is denser and has a surface temperature of 25,000 degrees C.
A new study using an animal model suggests that anabolic steroids can be addictive. Hamsters showed a marked preference for testosterone, nandrolone or drostanolone, indicating the drugs' potential for addiction. The research highlights the need for awareness among coaches and mental health professionals about this risk.
A new study found that Fezl is necessary for proper development of neural connections to the spinal cord. In developing mice lacking the Fezl gene, normal connections failed to form, and brain cells made inappropriate connections instead.
Researchers found that up to half of Amazon's oldest trees are over 300 years old, with some reaching 1,000 years. This challenges previous studies suggesting the Amazon can absorb more carbon dioxide than predicted.
Researchers discover that disturbances in norepinephrine levels lead to breathing problems in RTT mice. Increasing norepinephrine helps normalize breathing patterns, suggesting a potential therapeutic approach for the disorder.
Scientists have discovered that Streptococcus mutans, a decay-causing organism, can survive without the SRP pathway. The bacteria altered to lack SRP components were able to adapt and survive gradual increases in acid resulting from their own metabolism.
Research at St. Jude Children's Research Hospital found that cocaine exposure alters brain chemistry, making neurons more susceptible to damage from environmental toxins. The study suggests a potential link between cocaine use and the development of Parkinson's disease in both adults and their offspring.
Researchers identify the breathing center in the medulla as the source of erratic breathing in Rett Syndrome, finding a significant decrease in norepinephrine. Adding norepinephrine can normalize breathing patterns, suggesting potential treatment options for the condition.
A cohort study found that higher insulin concentrations and insulin resistance were associated with an increased risk of pancreatic cancer in male smokers. The study suggests that lifestyle changes to decrease glucose and insulin levels may help prevent pancreatic cancer development.
A new study finds that the herbal supplement NAC can help reduce cocaine cravings in individuals undergoing treatment for cocaine addiction. The research, conducted at the ACNP Annual Meeting, showed that NAC-treated subjects had reduced brain activity in the prefrontal cortex and reported less craving for cocaine.
Despite extensive research and calls for reform, US hospitals' patient safety systems have made only modest progress. The study found that while some areas, like surgery, have implemented effective safety measures, others, such as medication management, have seen improvements but are already at high baseline levels.
Researchers are developing intelligent systems to monitor seniors' daily lives and detect changes in health. The ORCATECH center is creating technologies for in-home monitoring of mobility, cognition, and medication management.
A £6m grant has been awarded to develop new methods for processing, forming, joining, and surface engineering of aluminium, titanium, and magnesium. The project aims to create lighter, more environmentally-friendly vehicles using these materials.
A new clinical trial found that using minimal residual disease (MRD) measurements, doctors can accurately assess treatment response and adjust therapy, leading to a high remission rate and low treatment-related mortality. This breakthrough approach improved outcomes for pediatric AML patients by identifying slow responders and intensif...
A UW-Madison study finds that defective cells can be reinvigorated by replacing a missing enzyme, allowing the healthy maintenance of myelin. The research provides proof of principle for a new therapeutic strategy to treat Krabbe's disease and other inherited demyelinating diseases.
A new study emphasizes the importance of standardized training for physicians during patient handoffs, highlighting the need for face-to-face interactions and effective communication to prevent medical errors. The researchers suggest that investing in additional physician training could be a cost-effective way to improve patient safety.
A double-blind, placebo-controlled study found that Alzheimer patients treated with testosterone showed significant improvements in quality-of-life scores compared to those receiving a placebo. However, there were no significant differences in cognitive skills.
A study found that employed mothers' kids consumed fewer calories and less nutritious foods at home but increased consumption of fruits and vegetables at school. The researchers noted a lack of correlation between maternal employment time and nutritional intake, suggesting individual balance is necessary.
Researchers evaluated the effect of unilateral implantation of human RPE cells attached to gelatin microcarriers in six patients with advanced Parkinson disease. The study showed a 48% average improvement in motor symptoms at 12 months, sustained through 24 months, with no off-state dyskinesias observed.
The African-American Heart Failure Trial showed that patients treated with the medication had lower health care costs, averaging $15,384 over a 12-month period. The study found that the medication was cost-effective, even when factoring in the cost of the drug itself.
A study of lung cancer patients found that those who did not participate in clinical trials were more likely to be African American, female, or over 70. The researchers suggest targeting specific patient subgroups to improve representation in clinical trials.
ASH's Minority Medical Student Award Program (MMSAP) aims to motivate minority medical students to enter the field of hematology. The program provides a research experience for students from the US and Canada, with the goal of increasing diversity in hematology.
A new study found that hearing loss from chemotherapy is common in children treated with platinum agents, with 61% of patients experiencing some form of hearing loss. The study highlights the need for improved reporting and awareness of ototoxicity to prevent long-term development issues.
A recent study suggests that self-perceived successful aging is more important than traditional markers of health, with optimism and social involvement being key indicators. Participants rated their own aging as successful despite high rates of physical illness and disabilities.
Pretreating rogue cancer cells with aspirin enhances their sensitivity to targeted therapy by inducing apoptosis via mitochondrial release of cytochrome c. This combination may improve treatment outcomes for cancers overexpressing the HER-2/neu gene.
A Phase 3 study found that Aranesp treatment achieved and maintained target hemoglobin levels, reducing red blood cell transfusions by 24%. The extended dosing schedule may allow physicians to treat anemia on the same schedule as chemotherapy.
A study examining genetics of successful aging identified specific genetic sequences associated with reaching old age with preserved cognitive abilities. The research also found that lifestyle factors such as smoking and excessive drinking negatively impact successful aging in both men and women.
Researchers found that testosterone therapy significantly improved quality-of-life scores in men with mild Alzheimer's disease. However, the study's results do not warrant routine treatment and require further investigation before clinical decisions can be made.
A new biochip tool called MetaChip can analyze drug candidates for toxicity and eliminate harmful ones before they advance to pre-clinical stages. The technology mimics the effects of metabolism in the human liver, enabling early detection of toxic compounds that could be difficult to predict or find with current testing methods.
Physicists propose a nanoscale magnetic probe to study entanglement at a quantum critical point, potentially leading to breakthroughs in high-temperature superconductivity. The probe could provide controlled and tunable settings for studying quantum effects, including spin waves and electron tunneling.
A recent study published in PLoS Medicine found that racial minority participation in clinical trials is linked more to access than attitude. The researchers discovered that the main barrier to participation is not a lack of willingness, but rather access to information about studies and logistical barriers such as child care and trave...
The International study reported a significant improvement in median time-to-disease progression with REVLIMID plus dexamethasone compared to placebo plus dexamethasone. The best response rate, complete response and near complete response rates were also higher with REVLIMID plus dexamethasone.
Botox, a naturally occurring substance, is effective in treating hyperhidrosis, hand eczema, Hailey-Hailey disease, and anal fissure. It normalizes muscle activity, reduces pain and itch, and decreases the need for surgery.
A new study suggests that declining biodiversity in pollination networks may threaten plant community persistence. The experimentally manipulated plant and pollinator interactions show increased pollination efficiency with complementary insect and flower pairings.
A study published in Neurology found that depression and anxiety disorders decreased by over 50% two years after epilepsy surgery. Participants who underwent successful surgery without seizures were more likely to be free from depression and anxiety.
Researchers discovered hundreds of auroras on Mars over six years, linked to strong magnetic field patches in the crust. These events produce ultraviolet light and are not as colorful as Earth's auroras.
A study analyzing cancer cases in young children over 45 years found space-time clustering of leukaemia and brain tumour cases, suggesting a potential link between infectious viruses and childhood cancer. The research suggests that minor illnesses during early childhood may trigger cancer in genetically susceptible individuals.
Researchers found significant associations between PSA velocity and demographic characteristics like age, race, and diet. Men who gained or lost weight had distinct changes in PSA velocity, while African Americans had higher velocities on average.
A new study reveals that palliative care programs are increasingly available in US hospitals, particularly in larger institutions and those affiliated with not-for-profit organizations. The growing demand for quality of life and relief from suffering is driving the expansion of these programs.
Researchers discovered a distinctive variant of the prodynorphin gene in humans, which increases production of neuropeptide prodynorphin. This variant is linked to increased brain size, memory, perception, and sensitivity to pain, as well as potential risks for drug addiction, schizophrenia, and bipolar disorders.
A new screening tool called SNAQ identifies patients at risk of weight loss due to poor appetite, which can be fatal. The questionnaire takes less than two minutes to answer and has been validated for use in both elderly and younger populations.
A study by Noelle Chesley found that cell phone use decreased family satisfaction and increased psychological distress among working couples. The study also revealed negative work-to-family and family-to-work spillover, with women experiencing greater impact.
Researchers at Physicians Committee for Responsible Medicine developed an accurate and cost-effective alternative to animal-derived insulin test kits. The new kit uses a synthetic medium, eliminating the need for animal serum and cells, and is expected to sell particularly well in Europe due to concerns about mad cow disease.
A study of 80 medical school applicants found that assessors couldn't accurately predict happiness with a career in medicine from application forms. Higher educational qualifications were associated with perceived happiness, but didn't actually predict it.
A study found that cataract extraction rates and costs decreased by half under contact capitation reimbursement. Professional reimbursement increased, while facility fees decreased significantly, in comparison to the fee-for-service system.
Research examines how drug policy affects incarceration rates and HIV infection levels among African Americans, who make up 40% of those incarcerated and 50% of new HIV diagnoses. The study calls for further research on the corrections system's impact on HIV risk and recommends investigating specific components of drug policy.
A large population-based cohort of Swedish women found a significant association between tea consumption and reduced risk of ovarian cancer. Women who drank two or more cups of tea per day had a 46% lower risk compared to non-drinkers.
A study found that azathioprine, an immunosuppressive drug, effectively suppresses new brain lesions in relapse-remitting MS patients. The treatment showed remarkable and stable reduction of new brain lesions over a period of 12 months.
A long-term study showed that AMG 531 increased platelet counts in patients with immune thrombocytopenic purpura (ITP), with 47% of patients experiencing a durable response. The treatment was generally well-tolerated, but some serious adverse events were reported.