Researchers at the University of Maryland say Voyager 1 has entered interstellar space, leaving a 'fuzzily-defined transition zone' behind. The spacecraft crossed the heliopause on July 27, 2012, but its exact location is still debated.
Researchers identified protein biomarkers that predict ovarian cancer recurrence and chronic obstructive pulmonary disease (COPD) development. The findings suggest a potential for using protein analysis to predict patient outcomes and guide treatment decisions in both diseases.
A recent study found that diabetic patients taking oral fluoroquinolones have a higher risk of severe blood sugar-related problems compared to those taking other antibiotics. The increased risk was low, but clinicians should consider this when treating diabetic patients with fluoroquinolones, especially moxifloxacin.
Researchers in Tokyo and Mainz have successfully teleported photonic qubits with extreme reliability using a hybrid technique. The accuracy of the transfer was 79-82 percent, surpassing previous experiments.
Researchers found four biomarkers in microRNAs that accurately determine malignancy and predict patient outcomes in urinary bladder cancer. Two miRNAs correlated with overall survival time, providing potential prognostic capabilities.
A study published in the American Journal of Human Genetics found that whole-genome sequencing can identify genetic mutations associated with chronic mountain sickness. Researchers sequenced the genomes of Andean individuals and identified two genes, ANP32D and SENP1, which play a key role in hypoxia tolerance.
A study by University of Warwick researchers found that young children under 4 struggle to understand the concept of competition and how it relates to others' goals. They failed to appreciate the intentional use of poaching moves in games, even when faced with their opponent's actions.
Researchers develop a lightweight structure made of tiny blocks that can be snapped together like bricks, revolutionizing the assembly of airplanes, spacecraft, and larger structures. The new material is 10 times stiffer for a given weight than existing ultralight materials and can be easily disassembled and reassembled.
A recent study published in Neural Regeneration Research identified cell cycle-related genes as crucial factors in the development of neural tube defects. The research found that retinoic acid treatment differentially expressed three cell cycle-related genes: p57kip2, Cdk5, and Spin.
Researchers developed a mathematical model to estimate anthrax infection risk, estimating that inhaling 11,000 spores would be needed to reach a 50% chance of infection. The study also found the optimal time to take antibiotics is 60 days after exposure.
Researchers evolved hyperswarmable Pseudomonas aeruginosa bacteria, which formed less dense biofilms than their non-hyperswarmable counterparts. This could lead to the development of new anti-biofilm therapies.
A study found that surrogate decision-makers consider both the patient's interests and their own needs when making medical decisions, highlighting the complexity of this process. The researchers suggest greater advance care planning to address this issue.
A new analysis found that breastfeeding for over 6 months may safeguard nonsmoking mothers against breast cancer, with a 10-year delay in diagnosis compared to shorter breastfeeding periods. In contrast, smoking mothers did not benefit from longer breastfeeding
Researchers have established a new technique to predict seasonal cholera epidemics months in advance with greater accuracy, utilizing remote satellite imaging and measuring organic matter. The 'satellite water marker' index was found to be more accurate than previous methods, reducing error rates by up to 30%.
A Mediterranean-style diet and diets low in available carbohydrates can reduce the risk of type 2 diabetes. Patients with a high Mediterranean diet score (MDS) were 12% less likely to develop diabetes than those with the lowest MDS, while those with the highest available carbohydrate intake were 21% more likely.
The study found that Braintone increased the expression of hypoxia-inducible factor 1α, heme oxygenase-1 and vascular endothelial growth factor in ischemic cortex of rats with middle cerebral artery occlusion. This suggests a neuroprotective effect on ischemia-induced brain damage.
A trio of fires in Northern California continues to burn, with the Corral Complex fire spanning over 2,500 acres. The Salmon River Complex has burned over 13,500 acres, with firefighters working to contain it. Crews are prioritizing structure protection and preparing for potential ignitions to strengthen containment lines.
Preclinical data published in PNAS shows ATSP-7041 suppresses tumor growth in animal models of multiple human xenograft models, including breast cancer and bone cancer. The peptide efficiently penetrates cell membranes and restores p53 function by inhibiting MDM2 and MDMX.
The Gerontological Society of America has chosen William E. Haley, PhD, as the 2013 recipient of the Task Force on Minority Issues in Gerontology Outstanding Mentorship Award. He is recognized for his dedication to mentoring minority researchers in the field of aging.
The technique, dubbed 'multiple-dimensional vibrational spectroscopy,' captures the conformation of small molecules with great accuracy, measuring vibrations and determining angles between bonds. This method could revolutionize the study of catalysis, energy storage, and biomembranes.
Astronomers use Hubble to study distant galaxies 11 billion years ago, confirming the Hubble Sequence holds true as far back as 8 billion years. The study finds that all galaxies fit into different classifications of the sequence, with blue star-forming galaxies and massive red galaxies dominating at these early times.
A new study found that consuming a high-quality diet is linked to a lower risk of pancreatic cancer. Participants who adhered most closely to the 2005 Dietary Guidelines for Americans had a 15% reduced risk of pancreatic cancer compared to those with poorer dietary habits.
The Gerontological Society of America has awarded Richard M. Allman, MD, with the 2013 Joseph T. Freeman Award for his contributions to geriatric research and practice. The award recognizes his focus on understanding mobility loss in older adults and improving age-related health disparities.
Researchers at Penn State have found a precursor signal to slow earthquakes, which can potentially foretell larger events. By studying the mechanisms behind slow earthquakes, they identified a transition in fault zone properties that supports slower velocities.
A new biomarker, PROVAR, predicts time to ovarian cancer recurrence and distinguishes between high-risk patients. Analysis of protein biomarkers may help determine treatment plans for ovarian cancer patients.
Researchers studied the dynamics of squeezing fluids using a simple experiment of clapping with wet hands. The study sheds light on the behavior of fluids at the microscale level and has implications for fuel efficiency and pharmaceutical drug deliveries.
Researchers found that flavonoids in celery, artichokes and Mexican oregano can kill human pancreatic cancer cells by inhibiting the GSK-3β enzyme. This pre-treatment approach may prolong life without curing the disease, while preventing it could reduce cancer risk with chronic flavonoid exposure.
Researchers at Kansas State University and Avatekh Inc. are developing advanced nonlinear algorithms and circuits called adaptive nonlinear differential limiters (ANDLs) to reduce electronic noise and interference in industrial and consumer products. The technology may improve smartphone performance, battery life, and operating range.
A new GE technology uses pyruvate levels to detect prostate tumors in real time, providing a safe and non-invasive way to assess cancer progression. The technology has shown promising results in a clinical study of 31 patients with prostate cancer.
Researchers at CCNY developed a metal-catalyzed cross-coupling reaction to produce single-enantiomer molecules, enabling the creation of diverse libraries of biologically active molecules for drug screening. This approach is faster and potentially less costly than current methods, which are wasteful and costly.
MacDonald, a University of Victoria associate professor, received the award for his research on cognitive aging and early identification of those at risk for cognitive decline. His work aims to detect early markers that can facilitate targeted intervention strategies.
Researchers have developed a new approach to virus detection that uses data mining algorithms and machine learning techniques to identify malicious code and behavior patterns.
A Baylor University study found that hypnotic relaxation therapy improves sexual satisfaction and pleasure, as well as reduces discomfort in postmenopausal women with hot flashes. The therapy is a safe alternative to hormone replacement therapy, which carries risks of cancer and heart disease.
Researchers have discovered a new therapeutic target for Alzheimer's disease, which regulates N-methyl-D-aspartate receptor transport. Valeric acid, an N-methyl-D-aspartate receptor antagonist, has been shown to significantly inhibit the progression of learning and memory disturbances induced by Alzheimer's disease.
Researchers identified a new enzyme in the lignin biosynthetic pathway that reduces lignin content and increases cellulose conversion to glucose. This breakthrough has the potential to increase the efficiency of biofuel production from biomass by up to four-fold.
A multi-institutional team has found a recurrent genetic mutation, PRKG1, linked to thoracic aortic dissections in families with young members. The mutation causes muscle cells in the aorta wall to respond incorrectly to blood flow, leading to aneurysms and acute dissections.
A team of scientists has identified a potential mechanism for cellular memory, which allows cells to recall the order of transcription factor binding. This discovery sheds light on how cells maintain gene regulation and may have implications for understanding diseases such as cancer.
Researchers at UNSW have developed a new class of drugs that target the structure of cancer cells, providing proof-of-concept for two types of cancers in animal models: neuroblastoma and melanoma. This breakthrough could lead to an entirely new type of chemotherapy with fewer long-term side effects.
Dr. Krause has made significant contributions to the field of gerontology through his research on stress and coping mechanisms, particularly in relation to spirituality and health. He will receive the GSA's 2013 Distinguished Career Contribution to Gerontology Award at the upcoming Annual Scientific Meeting.
The TRILOGY ACS trial found that patients who had an angiography followed by prasugrel had fewer heart attacks and strokes compared to those who had an angiography followed by clopidogrel. This benefit was not seen in patients who did not have angiography.
New research shows that vegetable oil fatty acids can increase plasma membrane fluidity in retina cells, reducing the risk of retinopathy and age-related macular degeneration. A diet rich in omega-3 fatty acids and olive oil may also contribute to preventing retina diseases.
The skin uses a unique method to renew itself, with differentiated levels of stem cells and their micro-environment determining cell types. This challenges current stem cell models and provides new knowledge on skin cancer and wound healing.
Researchers found that muscle cells in knockout mice grew larger, but lost strength due to oxidative stress. The study suggests that limiting oxidative stress could help prevent age-related muscle loss and improve overall health.
A study led by Dr. Elizabeth Osuch found a correlation between the activation of the putamen region in the brain and bipolar disorder symptoms. The discovery may lead to a definitive biological marker for differentiating between major depressive disorder and bipolar disorder, ultimately improving diagnosis and treatment.
Researchers found that people with normal vision can adjust their eye movements within hours to cope with temporary vision loss. This discovery suggests a way to help individuals with age-related macular degeneration better manage visual impairment.
Research from Boston University found that African-American women who reported frequent experiences of racism were more likely to develop adult-onset asthma. The study, which followed 38,142 women over 14 years, also discovered a significant link between increased racism and asthma incidence.
Researchers at the University of California, San Diego, have decoded the genetic basis of chronic mountain sickness, a disease affecting Andean highlanders. They found two genes, ANP32D and SENP1, that are overexpressed in CMS individuals and may hold key to treating the condition.
Researchers employed a unique approach to study the Greenland ice sheet, discovering that current models may not accurately predict its movement. The team found that as the ice sheet accelerates, it opens up space between the ice and bedrock, expanding the drainage network.
Research suggests that patients' chronic pain affects their spouses' emotional well-being and marital satisfaction, leading to compromised sleep quality. In close relationships, the greater a patient's pain, the less refreshing the sleep for the spouse.
Scientists have successfully transmitted HIV in a mouse model of heterosexual intercourse, shedding light on the complexities of viral transmission and potential prevention methods. The study's findings suggest that hormonal factors in the female reproductive tract can impact host susceptibility to HIV infection.
A recent study published in Immunity has identified interleukin-33 as a central factor in the formation of liver fibrosis. The research suggests that targeting this molecule could provide a promising new approach to protecting against liver fibrosis and chronic liver disease.
Researchers at EPFL found that visualizing heartbeat on a virtual body can alter how people experience their own body and self. The study suggests that internal organs shape body ownership and can be used to change self-consciousness.
Sullivan-Marx, dean of the New York University College of Nursing, receives the award for her sustained efforts in advancing geriatric nursing research and care. The recognition honors her work on improving functional outcomes of older adults and developing health policy in community-based long-term care settings.
A new study found that remote ischaemic preconditioning can reduce heart muscle damage after coronary artery bypass graft surgery. Patients who underwent the procedure had lower troponin I concentrations, indicating less damage, and were less likely to die from any cause or heart attack/stroke one year after surgery.
Jeffrey M. Hausdorff, PhD, receives the GSA's Excellence in Rehabilitation of Aging Persons Award for his work on gait variability, motor-cognitive interactions and the assessment of fall risk. His research has led to the development of innovative rehabilitation programs, including a multi-modal treadmill training program that improves...
A new study found that oxytocin increases responses to social stimuli in individuals with autism spectrum disorder, suggesting a potential treatment approach for the condition. The study, published in Biological Psychiatry, used functional imaging scans to examine brain activity in participants with ASD and healthy controls.
Nina Kraus, PhD, a researcher at Northwestern University, is the 2013 recipient of the Gene D. Cohen Research Award in Creativity and Aging. Her work focuses on the neurobiology underlying speech and music perception and learning-associated brain plasticity.
A study published in Human Molecular Genetics found that the complement system plays a critical role in early macular degeneration. The researchers used mice genetically engineered to have an inherited form of the disease and found that turning off the complement system prevented the disease from progressing.
Research reveals that male wild turkeys' sexual attractiveness is tied to how they use their genes, rather than physical differences. Dominant and subordinate males exhibit distinct genetic profiles, with dominant males showing higher male-like gene expression.
Researchers at WashU Medicine have identified a new therapeutic target for COPD by linking acute viral infections to chronic obstructive pulmonary disease. Viral infection triggers the production of IL-33, a signaling molecule that activates immune cells to produce excess mucus in the lungs.