Researchers at NIST developed a device that creates nanodroplets for studying individual proteins under conditions similar to those found in cells. This technique mimics the crowded environment of cells, allowing researchers to study protein dynamics and structural changes without interfering with or damaging the proteins.
The oral drug FTY720 has been shown to reduce disease activity in people with multiple sclerosis by more than 50 percent compared to placebo. After three years of continuous use, participants experienced sustained low relapses and reduced inflammatory activity.
Winter cover crops can perpetuate themselves through self-seeding, eliminating planting costs and time constraints for farmers. This innovative management system also enhances weed suppression and improves soil quality.
Researchers have discovered novel methods for delivering drugs directly to cancer tumors, including the use of peptides and nanotechnology. These methods show promise in reducing malignant tumors in mice and increasing survival rates.
Case Western Reserve University researchers discover that gravitational radiation can be produced by a mechanism other than inflation, which could redefine the concept of a 'smoking gun' for early universe theories. This finding strengthens motivation for detecting primordial gravitational radiation, which is crucial for understanding ...
Recent discoveries suggest that stem cells can serve as potential therapeutic targets for many types of cancers. Researchers have identified specific markers, such as aldehyde dehydrogenase, to isolate cancer-initiating cells and track their response to treatment. These findings hold promise for the development of targeted therapies.
A new method using nanotechnology rapidly measures minute amounts of insulin, enabling real-time assessment of the body's insulin-producing cells. This breakthrough could improve the efficacy of a procedure for treating Type 1 diabetes, allowing diabetics to free themselves from insulin injections.
Breast cancer incidence rates in US women over 50 declined sharply in 2002 and 2003, but only among Caucasians. For African Americans, there was virtually no change in invasive breast cancer rates. The study suspects genetic variations in estrogen metabolism may play a role in how women of African ancestry respond to hormonal therapies.
A 10-year retrospective study found that even small increases in serum creatinine levels during hospitalization raise the risk of end-stage renal disease and mortality in elderly patients. The study also identified that larger changes in creatinine levels were associated with higher risks.
A new study finds that air pollution from sulfur dioxide, fine particles, and nitrogen dioxide can cause decreased lung function and increase asthma symptoms in inner-city children. The study suggests that current air quality standards may not be sufficient to protect these vulnerable populations.
The editorial highlights the manipulation of research data and clinical reviews by pharmaceutical companies, compromising public trust in medical science. To restore integrity, researchers, editors, and journals must implement measures such as trial registration, authorship criteria, and disclosure of financial conflicts of interest.
A USC study found that specific gene variants linked to colon cancer result in opposite survival outcomes for men and women. Women with certain variants had higher overall survival rates, while men with the same variants had lower survival rates.
New data shows that vectors derived from AAV5 can accommodate large genes, including those missing in a mouse model of recessive Stargardt disease. This breakthrough has implications for treating individuals with the disease, which is characterized by progressive loss of sight.
Cardiology researchers at The Children's Hospital of Philadelphia have developed a synthetic material that can bind to various gene therapy vectors, allowing controlled local release of therapeutic genes. In an animal study, the new formulation showed significant reduction in restenosis, a hazardous narrowing of blood vessels.
A study found that husbands with OSA are more likely to adhere to CPAP if their wives share the bed. The results suggest that when both partners sleep together, the husband is more likely to continue using his CPAP mask. This is because CPAP can control snoring and excessive movements that disturb both partners' sleep.
A tracking system helped improve rates of medical oncology consultation and reduce disparities in breast cancer treatment by notifying surgeons when their patients visited an oncologist. The new system also eliminated racial disparity in treatment, as minority women were less likely to receive underuse of adjuvant therapy.
Researchers present promising results for new therapies targeting VEGF receptors and blood vessel formation in various types of cancer. These treatments have shown potential to shrink tumors and prolong survival for patients with glioblastoma and rectal cancer.
A study found that company employees and unacknowledged authors often wrote clinical trial articles and review papers on rofecoxib, while primary authors had little to do with the research. Guest authorship was common in review articles, but ghostwriting was also prevalent.
Combining stents and photodynamic therapy significantly improves survival rates for patients with advanced liver bile duct cancer, increasing it from 7 months to over 16 months. The treatment's effectiveness is attributed to the number of stent-replacement procedures and PDT sessions.
A new journal, Biotechnology for Biofuels, has published a report describing the efficient production of bioethanol through hot water pretreatment on wheat straw. Researchers found that this process helps remove wax and hemicellulose, enhancing enzymatic digestibility and producing better quality bioethanol.
Researchers have found that cancer cells use glucose to avoid programmed cell death and maintain survival through the protein Akt. By exploiting this mechanism, cancer cells can bypass normal safeguards and continue to grow even without growth factors.
Research by Tufts University biologists reveals that early exposure to atrazine leads to deformed hearts, impaired kidneys, and digestive systems in tadpoles. The study found a significant increase in abnormalities in organs after 48 hours of exposure, with 57% of tadpoles having smaller-than-normal hearts.
A new clinical trial has shown promising results with riluzole, a U.S. FDA-approved drug, slowing the growth of late-stage melanoma in human patients. The Phase 0 trial found three solid positive responses in nine patients, indicating potential as an adjunct to surgical treatment for stage 3 or 4 melanoma.
Research found that annual flu vaccines reduced acute respiratory illness and exacerbations of COPD by 67% and 50%, respectively. Patients with severe COPD experienced a 75% reduction in respiratory problems.
GE Research received the 2008 INFORMS Prize for its demonstrated record of applying operations research throughout various business areas at GE, driving significant value and competitive advantage. The award recognizes GE's sustained application and use of O.R. in pioneering ways.
Children with allergic or asthma-prone mothers are at increased risk of wheezing and respiratory issues if they swim before 6 months old. Most infants who swam showed no increase in lower respiratory tract infections or ear inflammation.
Scientists at Argonne National Laboratory have developed techniques to create accurate movies of molecular movements, allowing for the direct observation of complex molecule motions in solution. This breakthrough enables researchers to test the accuracy of computer simulations and gain insights into molecular structure and behavior.
Researchers found that calorie restriction hinders development of pancreatic cancer by reducing levels of IGF-1 and inflammatory signaling proteins. Only 7.5% of mice on the calorie-restricted diet developed lesions, compared to 45% and 57.5% in overweight and obese groups.
Researchers have developed reliable methods to assess the concentration and viability of anthrax spores after prolonged storage using DNA analysis techniques. This study provides essential steps in developing a reliable reference standard for anthrax detection and decontamination.
A survey by Ohio State University found that public opinion about outdoor cats varies widely across the state, with some residents supporting spay-neuter laws and others believing local governments should control free-roaming cats. The study suggests a community-based approach is needed to address the issue.
Researchers at NIST have combined a transition-edge sensor with a microrefrigerator on a single microchip, achieving the first cooling of a fully functional detector. The combo chip offers the possibility of faster and cheaper precision analysis of materials like semiconductors and stardust.
Researchers are using cellular strategies and new vaccines to direct the body's immune system against cancer. A phase I/II trial of a live Listeria cancer vaccine has shown that it is safe for humans and can reduce tumor size in some patients, with three women experiencing approximately 20 percent tumor reductions.
Two new therapies have shown promising results in treating basal cell carcinoma and pancreatic cancer. A novel molecule, GDC-0449, has been found to shrink tumors with limited side effects, while a combination of two drugs has shown significant clinical benefit in over 80% of pancreatic cancer patients.
A recent investigation found that coral species have recovered from the atomic blast, with diverse and abundant marine life observed. However, some species are locally extinct due to the bomb's effects on water temperatures and nutrient levels.
A study found that cultural identity influences mental health in adolescents, with different effects for girls and boys. Clothing preferences were also a significant factor, with traditional clothing associated with improved mental health outcomes.
A new study published in the Journal of Clinical Sleep Medicine (JCSM) has found that obesity can predict upper airway obstruction among children. The research, conducted on 190 Australian children aged four to 12, suggests that body mass is a significant predictor of upper airway obstruction severity, but its impact varies by ethnicity.
Researchers at Arizona State University are exploring the potential of electric-acoustic stimulation (EAS) technology to improve hearing in individuals with profound hearing impairment. By combining electric and acoustic stimulation, EAS has been shown to provide significant benefits, including improved performance in noisy environments.
Scientists from CSIRO tracked and mapped the habitats of 50 gulper sharks, swellsharks, and green eye dogfish near Port Lincoln, South Australia. The research aimed to evaluate the conservation value of closed areas designed to protect vulnerable shark species.
Cognitive radio technology aims to provide efficient wireless access networks, but new security threats may compromise its effectiveness. Researchers will investigate cooperative spectrum sensing and on-demand spectrum contention to develop more secure technology.
Research found that people who experienced strokes while fasting during Ramadan had a higher average number of strokes (5.5) compared to those not fasting (2.0). The study suggests coexistence of usual risk factors and dehydration may contribute to increased susceptibility to cerebral venous sinus thrombosis.
A retrospective chart review of 100 PSGs and medical records revealed that 77% of the sample had a sleep-related breathing disorder. The study also found an increase in odds ratio for SRBD with increasing BMI, as well as significant associations between SRBD and congestive heart failure.
Researchers identify gene variation associated with mental stress-induced ischemia, a condition that increases the risk of heart attack and sudden death. About two-thirds of patients with coronary artery disease experience detectable mental stress-induced reductions in blood flow to the heart.
A genetic study found that chance determines the fate of B. subtilis bacteria, with only a portion producing proteins that benefit the colony and help them form spores. The study used computer simulations to analyze the genes controlling protein production and spore formation.
A single subjective question can effectively screen for excessive daytime sleepiness, comparable to the Epworth Sleepiness Scale. The study involved 303 subjects and found significant associations between the single question and ESS scores, indicating it is a good measure of subjective sleepiness.
Researchers at Indiana University School of Medicine found that introducing a relationship-centered learning environment improved student satisfaction with their medical education, with increased rates of out-of-state applications. The study also showed enhanced responsiveness to student problems and a more favorable impact on organiza...
A new study published in PLOS ONE found that female fruit flies often choose males who win fights, contradicting the assumption that aggression is key to successful mating. The researchers suggest that unexpected interactions between individuals, known as 'chemistry,' play a crucial role in mate selection.
A large randomized drug trial found statins significantly reduce systolic and diastolic blood pressure, contributing to a reduced risk of stroke and cardiovascular events. The study involved 973 participants taking either simvastatin or pravastatin or a placebo for six months.
A gene associated with human breast stem cells can stimulate the development of mammary cells by activating Wnt and Notch pathways, which are critical to cancer growth. The study suggests that targeting this gene might provide a new way to treat cancers of the breast and other tumor types.
Researchers at Stanford University School of Medicine have discovered the first clues about the ancient origins of the placenta, a vital organ exchanging gas and nutrients between mother and fetus. The study suggests that the placenta evolved from simpler tissue in eggshells of birds and reptiles.
Researchers found that large-scale plantations in tropical regions could sequester significant amounts of carbon, potentially offsetting up to 5-7% of global CO2 emissions. However, the effectiveness of these plantations is limited by social, economic, and institutional barriers, as well as uncertainties in land use.
Researchers identified an association between gene expression and response to methotrexate treatment in patients with acute lymphoblastic leukemia. The study suggests that genomic profiling could help predict response to the drug and improve long-term survival, paving the way for new strategies to enhance survival rates.
Research found people with high blood pressure are up to 40% less likely to have a headache or migraine compared to those with healthier blood pressure rates. Higher pulse pressure was linked to reduced headache and migraine frequency in both men and women.
Children screened for amblyopia before age 2 tend to have improved visual outcomes compared to those detected between ages 2 and 4. Early photoscreening yields better results in treating amblyopia.
Researchers found that high urate levels among recently diagnosed Parkinson's patients slowed disease progression during a two-year study period. Elevated urate levels have been linked to reduced risk of developing Parkinson's disease, and may offer new treatment strategies for the disorder.
Researchers present data on the preventive effects of celecoxib and atorvastatin in colorectal, prostate and breast cancer. The study found that patients taking celecoxib had a significant reduction in adenomas, precursor to colon cancer, with low cardiovascular risk. A combination of atorvastatin and celecoxib also inhibited the growt...
The study found that a combination of genetic mutations, including the deletion of gene IKZF1, can initiate most cases of an aggressive form of acute lymphoblastic leukemia. The researchers also identified cooperation between these genetic lesions and BCR-ABL1 expression.
A study of 3,269 older men found that those taking loop diuretics had faster rates of hip bone mineral density decline compared to non-users. The risk was highest among continuous users, with a rate two-and-a-half times greater than non-users.
A Virginia Tech researcher is investigating the evolution of bacterial speck disease in tomatoes, which may hold clues about how plant pathogens adapted to monoculture farming. The study aims to identify molecular mechanisms allowing pathogens to specialize to specific plant species and become more aggressive.
Researchers at UT Southwestern Medical Center used a drug-treated blood stem cell compound to transform human blood stem cells into immature heart cells. This helped improve the function of injured rodent hearts and may lead to new treatments for heart attacks.
Research found that postmenopausal hormone users had a 48% lower risk of neovascular AMD, but unexpectedly higher risk of early AMD. Women who gave birth had a 26% lower risk of early AMD.