Researchers created OCD-like behaviors in mice using genetic engineering and reversed them with antidepressants and targeted a key brain circuit. The study suggests new strategies for treating the disorder by understanding the role of the SAPAP3 gene in glutamate-mediated communications.
Researchers have developed a new test that can diagnose common brain diseases like Alzheimer's and schizophrenia with high accuracy. By analyzing tiny magnetic fields produced by neuron activity, the test can identify patterns associated with these debilitating diseases.
Dr. Susana Martinez-Conde and her team will record neural activity in the brain's visual areas to understand why images appear stable during fixation. They aim to determine at what level of the brain visual perception becomes stable, shedding light on this critical aspect of our visual experience.
A team of researchers at the University of Cambridge has finally succeeded in synthesizing azadirachtin, a natural compound that stops predatory insects from feeding. The breakthrough uses a novel Claisen rearrangement and radical cyclization reaction to produce the complex molecule.
Researchers using pinhead-sized fossils from sediments deep beneath the Atlantic Ocean found that large continental ice sheets did not exist in both hemispheres around 41 million years ago. The findings resolve a long-standing problem and provide renewed confidence in our understanding of geological events and ice sheet existence.
Simulated climate change scenarios show varying effects on groundwater recharge, with some areas experiencing dramatic increases and others minor changes. The study highlights the importance of considering both surface and underground climate impacts in resource management and government policies.
Researchers found that keratinocytes can control melanocyte pigmentation by producing chemical signals, leading to new possibilities for bioengineered skin grafts and cosmetics. This discovery has significant implications for individuals with medical conditions requiring skin transplants or pigment diseases.
A comprehensive survey found that most older adults (57-85) are sexually active and view intimacy as crucial to life, but face high rates of 'bothersome' sexual problems. Healthier individuals report more frequent sex, with physical health playing a stronger role than age.
Researchers at the University of Leeds have discovered a naturally occurring protein preventing 57 genes from operating normally in Huntington's sufferers' brains. Cancer drugs targeting this protein could halt its destructive nature.
Carnegie Mellon researchers find that liquefied natural gas (LNG) imports could have 35% higher lifecycle greenhouse gas emissions than coal. The study urges caution against investing in LNG infrastructure, highlighting the need for analysis of indirect implications and conservation measures.
Researchers at Carnegie Mellon have modeled the molecular changes that occur when glutamate docks with a receptor on a neuron, enabling computer simulation of binding-site closure and opening. This breakthrough could lead to the development of drug therapies for disorders such as epilepsy and Alzheimer’s disease.
Researchers have identified new proteins in amniotic fluid that could improve pregnancy marker development. Additionally, a study on the Wlds gene has provided insights into preventing neuronal communication deterioration in Alzheimer's disease. A comprehensive analysis of proteins in human Jurkat T cells has also been conducted.
Scientists are studying Streptococcus pneumoniae bacteria grown in space to understand how it adapts and potentially poses a threat to long-duration space travelers. The bacteria were brought back from orbit frozen in 'zero-g mode' for analysis, providing valuable insights into its behavior in microgravity.
A study published in The FASEB Journal has identified specific physiological properties that regulate melanocyte function, offering hope for new treatments of pigmentation disorders. Keratinocytes are found to influence pigment production and help regulate skin coloration.
The American Chemical Society (ACS) is presenting several groundbreaking research developments related to nanotechnology and biotechnology. Researchers from Harvard University, the California Institute of Technology, and Northwestern University will discuss new technologies that aim to improve human health and productivity in the futur...
The first comprehensive national survey of older adults' sexual attitudes and behaviors found that most people ages 57-85 consider sex an important part of life. However, nearly half reported at least one sexual problem, including lack of desire, vaginal dryness, or erectile dysfunction.
A two-year study will assess optimal methods for reducing heat stress in firefighters, evaluating the efficacy of different rehabilitation methods. The study aims to improve firefighter health and safety by understanding the mechanisms of heat stress and its effects on the heart.
A new study found that environmental monitoring of institutional water systems can predict the risk of hospital-acquired Legionnaires' disease. Routine testing of hospital water systems for Legionella bacteria is recommended to prevent hospital-acquired cases, which are estimated to be responsible for up to 20,000 cases a year in the US.
Johns Hopkins researchers have solved the long-standing puzzle of how bacteria produce the B vitamin folate, uncovering an unknown enzyme that plays a crucial role in the process. The discovery sheds light on potential antibacterial drug targets and could lead to new therapeutic options.
Researchers found a repeating pattern of 8 to 10 base pairs between CG dinucleotides that may signal differential methylation and imprinting. This discovery sheds light on the mechanisms of gene regulation and has implications for understanding disease development, particularly in cancer genes.
A recent study by Wake Forest University School of Medicine has found that autistic individuals have deficient connections within single brain regions, contradicting previous assumptions. The discovery was made using magnetoencephalography brain imaging technology and may lead to earlier diagnosis and targeted medications for autism.
Researchers at the University of Minnesota Medical School have developed a noninvasive diagnostic tool for complex brain diseases by recording tiny magnetic fields in the brain. The technique, which uses magnetoencephalography (MEG), can predict Alzheimer's and other brain diseases with high accuracy.
A new £1m study aims to recruit 300 families of Indian and Pakistani origin to adopt a healthy lifestyle, with the goal of reducing type 2 diabetes by 50%. Researchers will provide culturally-specific advice on nutrition and exercise to family members at risk.
Researchers have discovered that 'good' cholesterol can undergo detrimental changes in protein composition, making it 'bad' for the heart. The study identifies previously unrecognized proteins that play an important role in maintaining heart health.
A study published in Critical Care suggests that large burns can lead to cardiac problems, inflammatory responses, and hypermetabolic states. Effective treatments may focus on addressing these multiple aspects, including inflammation and organ function.
Scientists develop purification process to recover recombinant gelatin from transgenic corn, addressing concerns over infectious agents and traceability. The method uses chromatographic and filtration techniques to achieve high purity, opening up new possibilities for plant-based protein production.
The University of Miami Rosenstiel School has launched a new lab to study the effects of climate change on corals, using controlled temperature and carbon dioxide conditions. The lab aims to understand how corals will respond to increased ocean acidity and warming in the next 50-100 years.
By using synthetic DNA to recognize and bind to complementary DNA on nanoparticles, researchers can control the self-assembly of gold nanoparticles into clusters. This technique provides precise control over nanoparticle assembly, enabling the creation of well-organized nanoclusters.
A new study reveals that restless legs syndrome is common and troublesome in children and adolescents, occurring more frequently than diabetes and epilepsy. The condition, characterized by sensations in the legs, affects nearly 2% of US/UK children aged 8 to 17, with a significant proportion experiencing moderate to severe symptoms.
Researchers at the University of Georgia are working on a new approach to detect pancreatic cancer using subtle changes in proteins and sugars. They believe that these biomarkers can be found in pancreatic fluid and blood, which could lead to earlier detection and improved treatment outcomes.
A study by the University of Copenhagen found that soccer players experienced greater improvements in fitness ratings and muscle mass compared to joggers. The researchers attribute this to the shifts between walking, running, and sprinting in soccer, which engages multiple muscle fibers.
Researchers discovered that mice without a key brain protein exhibited OCD-like behavior, including compulsive grooming and anxiety. Restoring the protein improved behaviors, suggesting a possible synaptic defect as the cause of OCD-like symptoms.
The Biophysical Society has awarded 14 individuals for their exceptional contributions to the field of biophysics. These awards recognize achievements in areas such as lipids and membrane biology, education, single molecule biology, and computational biology.
Dr. Andrej Romanovsky has been awarded a $1.8 million grant to study the mechanisms of fever and hypothermia in systemic inflammation. His research aims to gain insight into the therapeutic use of anti-inflammatory drugs.
Severely obese patients who undergo gastric bypass surgery show significant reductions in mortality rates from coronary heart disease, cancer, and diabetes. The study found a 56% lower mortality rate from coronary heart disease, a 60% lower death rate from cancer, and a 92% lower death rate from diabetes.
Researchers found that vitamin E's antioxidant effect is only significant at high doses, exceeding previously used amounts in clinical trials. The optimal dose was determined to be around 1600 IU/day for maximum suppression of oxidative stress.
Researchers at BRIC, University of Copenhagen, identified a new gene family (UTX-JMJD3) controlling embryonic development and stem cell maintenance. The discovery may contribute to understanding cancer development and therapeutic use of stem cells.
A chemist warns that the skin-care industry is skipping out on science, potentially providing consumers with less effective products. The industry often focuses on replicating existing formulas rather than applying sound science to improve products, according to Stig E. Friberg, Ph.D.