Scientists at the University of York have created a genetic map for Artemisia annua, which will enable rapid improvement of the species and development of high-yielding crops. The project aims to meet soaring demand for effective malaria treatments by 2012, when production is expected to double.
A new eye test technique enables real-time measurement of brain cell death, refining diagnosis and tracking disease progress in Alzheimer's. The method uses fluorescent markers to directly observe retinal nerve cell death, which could lead to successful reversal of the disease with treatment.
A novel and simple formula predicts treatment success for patients with chronic hepatitis C, outperforming viral kinetics. The formula, based on clinical data, is suitable for every cohort of patients and can help tailor treatment.
The American Mathematical Society has awarded several major prizes, including the AMS Steele Prize for Lifetime Achievement and the AMS Conant Prize, to recognize outstanding contributions to mathematics. The recipients include William Fulton, Robert Griess Jr., David Eisenbud, Bryna Kra, and Ileana Streinu, among others.
The study reveals how Wolbachia manipulates the sex lives of its hosts, favoring female offspring to spread the infection. This knowledge could lead to more effective ways to fight human diseases spread by insects like malaria and dengue fever.
Scientists have decoded the genome of Nasonia, a parasitic wasp that eliminates agricultural pests by infesting fly pupae. The study reveals insights into the wasp's ability to prevent host death and its potential for genetic engineering to improve biological pest control.
Researchers have discovered elevated levels of DNA damage in the cellular mitochondria and nuclei of patients with Friedreich's ataxia. The findings suggest that gene activity patterns associated with responses to DNA damage may be used as predictive biomarkers for the disease.
Research by Dr. L Veijola and colleagues suggests H. pylori infection may trigger autoimmune gastritis, a condition that requires lifelong vitamin B12 supplementation. The study confirms previous findings that serum markers of autoimmune gastritis appear in patients with H. pylori, highlighting the potential for eradication therapy to ...
Researchers found that pathological gamblers with Parkinson's Disease exhibited poor decision-making and abnormal social behavior. They performed poorly in the Iowa Gambling Task and showed difficulties in forming close relationships.
Researchers found that tendons play an active role in initiating bone ridge patterning and regulating skeletal growth. The discovery sheds light on a key mechanism underlying the assembly of the musculoskeletal system.
Researchers at Fox Chase Cancer Center found that proteosome inhibitors can rescue mutant proteins by increasing levels of Hsp70, a chaperone protein. This approach may be used to treat debilitating genetic diseases, transforming them into more manageable conditions.
The American Association for Cancer Research and International Association for the Study of Lung Cancer honored Dr. Paul A. Bunn Jr., M.D., for his contributions to lung cancer research. The conference emphasized the importance of translational research in improving lung cancer prognosis.
The University of Plymouth is investing £500,000 in joint research with the Peninsula Dental School to tackle key areas in oral health. The research will focus on statistical epidemiology, virtual reality, and nanotechnology, aiming to ease dental anxiety and develop more aesthetically pleasing materials.
Research at the Smithsonian Tropical Research Institute found that punishment is necessary to maintain a mutually beneficial relationship between plants and wasp pollinators. In actively pollinated fig species, wasps that don't provide pollination are sanctioned, while in passively pollinated species, sanctions are absent.
A Canadian report reveals that public perception of surveillance cameras is at odds with reality, with little evidence to suggest they deter crime. The report calls for questioning the social ethics and legal limits of surveillance footage as technology continues to evolve.
The European Space Agency's comet orbiter spacecraft Rosetta successfully tested the performance of its ultraviolet spectrometer Alice during a recent Earth flyby, revealing the Earth's unique ultraviolet spectral emission signature.
The study's findings suggest that parasitic wasp genomes could enhance pest control by identifying target insects and venom composition. Additionally, the rapidly evolving mitochondria in Nasonia wasps may provide insights into human diseases such as mitochondrial disorders.
A study conducted by the University of Chicago found that obstructive sleep apnea (OSA) significantly worsens glucose control in patients with type 2 diabetes. OSA severity is associated with poorer glycemic control and increased HbA1c levels, which can negate the effects of anti-diabetic medications.
The study provides new insights into pest control and genetics by sequencing the genomes of three parasitoid wasp species. The findings suggest that harnessing the full potential of parasitoid wasps could be a more effective alternative to chemical pesticides.
A prospective randomized clinical trial examined acupuncture's effect on preventing prolonged postoperative ileus (PPOI) after intraperitoneal surgery among patients with colon cancer. The study found no significant benefit of acupuncture, suggesting that standard postoperative care is sufficient to prevent PPOI in this population.
Researchers found that biomarker-stratified designs provide complete information on the relationship between treatment effects and biomarkers. This design enables unbiased estimates of benefit-to-risk ratios across different subgroups.
Scientists identified rapid bursts of neural activity in high-order visual centers when patients correctly recognized target images, suggesting a 'threshold' for conscious perceptual awareness. The study found that brain processing time is crucial for ignition, with mask presentation too soon 'killing' visual input signals.
A recent study published in Molecular Ecology suggests that Antarctic minke whale populations have not increased due to commercial whaling. The research estimates the long-term population size of Antarctic minke whales to be around 670,000 individuals, similar to current estimates from sighting surveys.
The 2010 awards support groundbreaking research in cancer metabolism, tumor metabolism, and drug resistance. Three scientists will explore novel approaches to fighting cancer using innovative technologies.
Researchers aim to improve methods for screening and testing glaucoma, a disease affecting 70 million people worldwide. The study will focus on optimizing perimetry testing and developing new statistical methods to compare different clinical measures.
The study found that mortality due to colon cancer increased between 1951 and 2000, but stabilized in men and decreased in women between 2000 and 2006. The main causes of these disparities include tobacco consumption and red meat intake.
A study of nearly 2000 healthy adults found that kidney abnormalities occur in at least 25% of the population. Most abnormalities were mild and not causing discomfort, but future research is needed to determine their impact on long-term health.
A new report investigates the cognitive biases that lead people to misidentify common objects, such as guns or tumors. The researchers suggest retraining individuals in these professions through simulated searches to improve their accuracy.
A nearly $1.9 million grant from the National Science Foundation will support research on the potential effects of climate change on infectious diseases such as malaria and dengue fever, which annually infect 500 million people worldwide. The project aims to quantify how environmental temperature influences disease transmission and risk.
A study found that end-of-life care falls short for kidney disease patients, with many lacking adequate support and education. Patients expressed a desire for help planning for the future, pain management, and psychosocial support, but these services were not routinely integrated into their care.
Researchers found that air flows in one direction through alligators' lungs, a trait shared with birds. This unidirectional airflow may have helped archosaurs dominate Earth after the Permian-Triassic extinction, which wiped out 70% of land life.
Research from the University of Warwick found that healthcare professionals are not adequately advising patients with medical conditions about their fitness to drive. Only 7.5% of healthcare professionals correctly identified medically unfit drivers in a paper case study, while 75% failed to offer advice on driving.
Interleukin-6 is a key mediator of inflammation in diabetic retinopathy, inducing vascular inflammation and tissue destruction. An interleukin-6 antibody may prevent damage by targeting this inflammatory response.
Researchers discovered a single gene, SIMYB12, that regulates the production of yellow pigments and other substances in tomatoes. The mutation affects flavonoid levels, leading to less lycopene and altered cuticle composition.
The availability of genome sequences for three parasitic wasp species will aid in analyzing complex genetic traits and advance our understanding of using these wasps as natural agents against pests and disease-carrying insects. Scientists hope to harness the power of these tiny wasps to protect food crops and save billions of dollars a...
A novel mouse model of demyelinating disorder has been developed, revealing the critical role of gene ZFP191 in CNS myelination. The study found that mice with a mutation in ZFP191 exhibit severe deficiency in CNS myelination, leading to tremors and seizures.
Two studies by University of Pittsburgh researchers found that surveillance colonoscopy is being overused in low-risk patients and underused in high-risk patients. The studies suggest that colonoscopy use should be aligned with patient risk to improve healthcare spending.
Researchers at the University of Illinois Chicago have discovered a mechanism for cell flattening, a crucial step in processes like clot formation and cancer spread. The study found that a G protein interacts with integrins to inhibit RhoA, allowing cells to flatten and move.
A study of mucosal biopsies from patients with ileal pouch-anal anastomosis reveals protein expression changes in pouchitis and antibiotic-induced remission. Proteomic analysis identifies novel biomarkers for disease activity, diagnosis, and prognosis.
A recent study suggests that parks and recreation programs are declining in the US due to budget shortfalls, which may exacerbate the country's growing obesity epidemic. The research highlights the importance of access to recreational opportunities for addressing health issues related to overweight and obese individuals.
In a study published in World Journal of Gastroenterology, researchers found that MRI-enterography revealed incidental findings outside the small intestine in 25% of patients with suspected or known Crohn's disease. These extra-intestinal manifestations were rare and did not necessarily require additional examinations.
Researchers found anti-inflammatory agents that increase wakefulness during the day and affect normal sleep/wake cycles. The study suggests a shared neurochemistry between zebrafish and mammals, paving the way for new compounds to regulate sleep and wakefulness in humans.
The Sea Node system successfully completed the Trident Warrior 2009 exercise, showcasing its ability to improve situational awareness and reduce operator workload. The system provides collaborative applications for geo-locating coastal radars and enhances existing AN/SSX-1 Electronic Support systems.
Researchers found that mice create 'knots' – preferred places with high path tortuosity – during exploration, which enhance their visual scene interpretation, memory of the place, and provide multiple views. This study contributes to understanding how animals map environments and accomplish goals.
The Lancet article advocates for tailoring antibiotic dosing to individual patients' physical characteristics, particularly for those with large body sizes. This approach could improve treatment effectiveness and safety, especially considering the increasing prevalence of obesity-related infections.
Researchers found that an early immune response is key in controlling the spread of HTLV-1, a virus that causes adult T-cell leukemia and inflammatory diseases. Providing fewer immune cells for the virus to attack at a critical time can significantly reduce the infection's severity.
Current policies for NTD mapping, monitoring, and surveillance need improvement; efficient methods are necessary to plan implementation and track progress. Successful strategies include rapid epidemiological mapping and combined surveys.
University of Oklahoma researcher Amy Cerato receives the Presidential Early Career Award for her groundbreaking research on expansive soils, which can cause extensive damage. The award also recognizes her commitment to community service and public outreach.
A study of 2,131 elderly women found that 18% with severe cognitive impairment received unnecessary screening mammography. The study highlights the potential harms of screening in women with limited life expectancies.
A Brigham Young University study found that parenthood is associated with lower blood pressure, especially among women. The research suggests that social factors, such as deriving meaning and purpose from life's stress, may also protect physical health.
Researchers at UT Knoxville discovered that Azospirillum brasilense has 48 receptors, enabling it to detect changes in its environment and make complex decisions. This understanding could lead to tailored medicines and new agricultural applications.
A Zambian study suggests halting breastfeeding early harms children born to HIV-positive mothers, increasing mortality. Longer breastfeeding protects against fatal infectious diseases in low-resource settings.
A new study published in Molecular Ecology suggests that minke whale populations are not preventing the recovery of larger whales due to competition for food resources. The research found that genetic diversity within the minke whale population is similar to pre-whaling levels, allowing large whale species to recover.
Researchers are launching a human trial of a new osteoporosis drug, PTHrP, which may increase bone density more dramatically with fewer side effects than current treatments. The study aims to compare the efficacy of PTHrP with existing FDA-approved drugs for osteoporosis treatment.
A recent study published in Psychological Science found that when people desire an object, they tend to perceive it as being closer, which motivates them to take action to acquire it. This bias is thought to encourage perceivers to engage in behaviors leading to the acquisition of the desired object.
Researchers verified that three commonly used esophageal adenocarcinoma cell lines were actually from lung carcinoma, colorectal adenocarcinoma, and gastric fundus carcinoma. This finding highlights the importance of authenticating cell lines to ensure accurate treatment strategies for esophageal cancer patients.
Researchers at Brigham Young University have identified genetic mechanisms behind the loss of deadliness in lab-raised nematode worms, which are used as a natural insecticide. The study's findings also shed light on how to defeat parasites that harm beneficial plants and animals, and could lead to new targets for pharmaceuticals.
A UBC study found that children who live in poor neighborhoods at kindergarten have reduced scores on standardized tests seven years later. The study suggests that early life neighborhood poverty can predict literacy skills in adolescence.
Researchers have identified a human genetic alteration associated with anxiety-related behavior in both humans and mice, which can inform the development of new clinical strategies to treat anxiety disorders. The study used functional magnetic resonance imaging (fMRI) to reveal altered brain function in individuals with this abnormality.
Researchers at Helmholtz Munich identify the BZLF1 protein as a crucial factor in EBV's life cycle, enabling viral activation and gene expression. The study reveals a novel mechanism for virus detection and reactivation, providing insights into EBV's role in tumor growth.
Researchers at Northwestern University have developed a gadolinium-nanodiamond complex that dramatically enhances image contrast in magnetic resonance imaging (MRI). The complex shows a significant increase in relaxivity, resulting in vivid image contrast.