A new study by Michigan State University researchers finds that zero tolerance policies in schools are failing to make students feel safe. The policies, established in the mid-1990s, have become plagued by inconsistent enforcement and inadequate security.
Researchers from Georgetown University Medical Center identify a potential new combination therapy to increase or 'rescue' sensitivity to fulvestrant in ER+ breast cancers. The study found that the cytokine IFNγ appears to increase IRF1 expression, leading to increased apoptosis of cancer cells.
A recent study published in PNAS reveals that Mycobacterium tuberculosis relies on gluconeogenic substrates for growth and persistence, with phosphoenolpyruvate carboxykinase (PEPCK) playing a pivotal role. This finding could lead to the development of new drug therapies targeting the enzyme, potentially improving treatment outcomes fo...
Researchers at the University of Illinois discovered that starting early-weaned cattle on corn and finishing them on a diet high in co-products can achieve high-quality beef while reducing feed costs. Cattle fed these diets showed significant marbling and higher profits compared to traditional finishing methods.
Jason W. Chin receives the EMBO Gold Medal for his groundbreaking work on reprogramming the genetic code, allowing molecular biologists to control and elucidate protein functions with unprecedented precision. His research enables the creation of designer amino acids, opening doors to new applications in protein therapeutics and materials.
Researchers have developed a Mouse Grimace Scale to measure spontaneous responses in mice resembling human pain expressions. The scale accelerates the development of new analgesics for humans while eliminating unnecessary suffering in lab animals.
Scientists at the University of Gothenburg have successfully photographed the movement of atoms during photosynthesis, revealing a temporary storage of light energy before chemical bonds form. The breakthrough could lead to more efficient solar panels by mimicking photosynthesis' sophisticated energy conversion process.
A new study from the University of Gothenburg found that 23% of bus and tram drivers in Sweden experience pronounced daytime sleepiness, while 28% struggle with getting to sleep. Treatment with a CPAP machine improved symptoms and reduced daytime sleepiness among drivers with obstructive sleep apnoea.
Warren Piers, a University of Calgary chemist, has developed a faster catalyst for olefin metathesis reactions. This breakthrough enables more efficient production of chemicals, pharmaceuticals, and biofuels while reducing energy costs and waste. The discovery opens up new applications and markets.
A randomized trial found that pramipexole significantly improved depressive symptoms and functioning in patients with mild-to-moderate Parkinson's disease. The study also showed that the antidepressant effect of pramipexole was largely independent of its effect on motor symptoms.
Scientists at the University of Gothenburg have created a method to develop safer drugs by simulating metabolism and identifying potentially toxic metabolites. This approach has been successfully applied to the antimalarial drug amodiaquine, which was withdrawn due to liver damage and immune system impairment.
Research finds common intestinal bacteria promote tumor growth in genetically susceptible mice, but an inhibiting protein enzyme suppresses growth, increasing survival time. The study's findings could lead to a new form of treatment for familial adenomatous polyposis, a genetic condition that increases the risk of colon cancer.
Research from neuroscientist Samuel Weiss shows that paternal mice physically interact with their babies grow new brain cells and form lasting memories of their babies. The study demonstrates a positive feedback loop between social interactions and healthy brains.
Researchers discovered insulin's properties reduce inflammation in fat tissue, a key factor in developing insulin resistance and type 2 diabetes. Identifying the inflammatory molecule IL-6 and protein PKCdelta improved understanding of signalling mechanisms that can lead to medicines to reduce inflammation and related disorders.
A Scripps Research Institute team has discovered a mechanism to enhance the cellular folding and function of mutated lysosomal enzymes, which are linked to Gaucher's disease. The researchers used FDA-approved drugs to increase calcium levels in cells from patients with Gaucher's disease, potentially paving the way for clinical trials.
A new antifouling substance, medetomidine, has been shown to cause paler fish by affecting their skin cells containing dark pigment. The research also found that the substance can impair a fish's ability to break down environmental toxins and affect its liver function.
A joint clinical trial found that administering fibrinogen before heart surgery reduces bleeding risk. The study suggests fibrinogen concentrate could be used as a preventive therapy for patients undergoing cardiac surgery.
Researchers found that a genetic mutation causes Interference in the Pruning process of nerve connections. The protein FMRP plays a role in this process, and the study may lead to better understanding of Fragile X Syndrome.
A rare case report describes a 68-year-old man with abdominal bloating caused by intussusception due to small intestine lipomatous lesions located in a jejunal duplication cyst. Multiple lipomas within jejunal duplication cysts are rare and difficult to diagnose before surgery, emphasizing the need for appropriate examination methods.
Scientists have developed a fatty acid that enhances the delivery of an existing anticancer drug, increasing its effectiveness in treating certain types of blood cancer. By incorporating elaidic acid into azacytidine, researchers were able to improve the bioavailability of the agent and increase therapeutic efficacy.
A fully automated minilab developed by Munich researchers can quickly identify antibiotic residues in milk, providing a fast and simple solution to the current laborious and expensive testing method. The system takes just under six minutes to produce a result, reducing production losses and disposal costs for the dairy industry.
A study published by the American College of Radiology suggests that standard X-rays are less effective than CT scans in detecting pelvic fractures. The research found that 48% of pelvic injuries were missed using standard X-rays alone, and that CT scans provide more complete evaluation of suspected pelvic injuries.
A study of 121 older adults in Los Angeles ALFs found that 65% had clinically significant sleeping problems, associated with lower quality of life and increased depression. Poor sleep was also linked to a worsening of health-related quality of life and more symptoms of depression over time.
The GOCE satellite has determined precise gravitational forces in the Himalayas, confirming previous hypotheses of inaccuracies in conventional models. The satellite's data will contribute to a better understanding of geophysical processes, including earthquakes and ocean circulation.
Researchers have identified synaptotagmin1 as the sole trigger for neurotransmitter release in the brain, a breakthrough discovery published in the journal Science. This finding has significant implications for understanding brain malfunctions such as autism and epilepsy.
Researchers developed an algae-based system to remove nitrogen and phosphorus from livestock manure runoff, reducing agricultural pollutants in the Chesapeake Bay. The system recovered 60-90% of nitrogen and 70-100% of phosphorus, with costs comparable to other manure management practices.
Peroxisomes, organelles inside cells, can detect virus invasion signals and launch a limited antiviral offensive. Mitochondria follow up with a more definitive counterattack, indicating a potential new approach to rare conditions like peroxisome biogenesis disorders.
A survey of 2,058 physicians found that 17% of general internists and 4% of internal medicine subspecialists have left their practices by mid-career. The study suggests that the 'general' nature of general internal medicine may give internists more options for careers outside of medicine.
Researchers presented studies on predicting pregnancy-associated breast cancer, post-traumatic stress disorder in breast cancer patients, and novel drug candidates such as flavaglines. The conference also explored the use of circulating tumor cells and gene differences to predict survival outcomes in breast cancer patients.
A Mayo-led research team has developed potent molecules that can inhibit the breakdown of insulin in the body, keeping it working longer and potentially leading to new treatments for diabetes. The discovery may also have implications for other diseases involving insulin, such as Alzheimer's disease.
Research reveals that nuclear matrix proteins are differentially expressed during HMBA-induced differentiation of gastric cancer cells. Eight proteins were down-regulated while seven were up-regulated, with prohibitin, nucleophosmin, and hnRNP A2/B1 being significantly decreased in treated human gastric cancer cells.
Researchers found that H. pylori eradication therapy may be an initial treatment option for localized, H. pylori-negative gastric MALT lymphoma. The study adds information to establish strategies for patients with localized H. pylori-negative gastric MALT lymphoma.
The International Osteoporosis Foundation has announced the launch of new FRAX tools at the World Congress on Osteoporosis. The updated tools include a convenient iPhone application that allows for easy access to the fracture-risk calculator, and multilanguage tear sheets that can be completed in various languages.
Researchers from the Alfred Wegener Institute have developed a novel vibroseismic measurement method to investigate the internal structure of Antarctic ice shelves. This technique allows for more efficient and environmentally friendly data collection, enabling better forecasts of future sea level changes.
Researchers evaluated tumor enhancement patterns using CE 3D US and established diagnostic criteria. Prospective differentiation of focal liver tumors yielded good sensitivity, specificity, and inter-reader agreement, indicating the potential usage of CE 3D US in liver lesion detection.
A recent study found that local newspapers have a significant impact on electoral accountability by providing voters with crucial information about their representatives. In areas where members of Congress receive extensive coverage in local newspapers, voters are more informed and representatives tend to be more constituent-centered.
Researchers found that the level of arrestin protein determines how long C. elegans lives, with worms having triple the amount living one-third less than normal. Arrestin interacts with several proteins to regulate longevity and has relevance to human biology and cancer development.
Researchers will assess MRI technology to measure muscle tissue in children with Duchenne muscular dystrophy, aiming to facilitate therapy testing and improve disease management. The study may provide valuable guidelines for MRI use in clinical trials and drug tests targeting DMD treatments.
A meta-analysis found that the G allele of PPAR-γ gene polymorphism 34 C>G decreases colon cancer risk, indicating its potential as an early diagnosis and treatment target. The study confirms previous data linking the polymorphism to CRC risk.
Studies should involve more cross-cultural collaboration to avoid cultural blind spots, say MU researchers. Collaboration with participants from the culture being studied can help address possible misunderstandings and improve study validity.
Scientists present evidence that imprinted genes from the father may promote excessive resource allocation to the fetus, while those from the mother are more conservative. This could lead to sex-dependent differences in disease risk and outcomes.
Researchers found post-transplant patients off steroids have similar graft-function outcomes as those on steroids but with fewer cardiovascular events. This study contributes to a reduction in patient exposure to corticosteroids during post-transplantation treatment, improving graft survival rates and reducing early mortality.
Researchers found that PDE5 inhibitors increase blood-brain barrier permeability to Herceptin, boosting effectiveness against lung and breast cancer brain metastases. The combination of vardenafil plus Herceptin improved survival by 20% in mouse models.
Conventional MRI may detect a large percentage of hip labral tears, suggesting it as an acceptable alternative to MR arthrography. However, further study is needed to confirm its effectiveness in evaluating nonspecific hip pain.
UT Southwestern Medical Center is part of a nationwide study offering free genetic testing for lung cancer patients. The study aims to identify mutations in malignant lung tumors and develop targeted therapies. Participants will have access to their test results and guidance on potential clinical trials.
A large study found no association between coffee, tea, or sugar-sweetened soft drinks and colon cancer risk. High tea consumption was linked to a modest increase in risk, but the connection is unclear.
A study by the Helmholtz Association found that COX-2 inflammation enzyme increases in white fat tissue after cold exposure, stimulating the formation of brown fat cells. The scientists also discovered that boosting COX-2 production in mice leads to a 20% reduction in body weight.
A study published in the World Journal of Gastroenterology found that antithromboembolic prophylaxis is not necessary for cirrhotic patients undergoing liver resection, as the risk of venous thromboembolism is low. However, the presence of esophageal varices may contraindicate prophylaxis due to increased risk of postoperative hemorrhage.
Intestinal ischemia/reperfusion damages the intestine's lining, allowing bacteria to enter the bloodstream. Caveolin-1 modulates endothelial nitric oxide synthase activity to regulate innate immunity. Development of intestinal lymphoid follicles relies on dendritic cell recruitment.
Researchers at the University of Texas M. D. Anderson Cancer Center have successfully transplanted adult stem cells into injured hearts, improving pumping efficiency for a year in a mouse model. The study used innovative imaging techniques to track the stem cells' location and performance over time.
The International Osteoporosis Foundation (IOF) has honored long-time associate Professor José Zanchetta with the prestigious Pierre Delmas Award. The award recognizes Dr. Zanchetta's commitment to advancing osteoporosis awareness and treatment in the Latin American region.
Survivors of Cyclone Nargis continue to face challenges in accessing relief and reconstruction efforts, with basic rights remaining unmet. Community-based organizations play a crucial role in responding to disasters in challenging settings like Burma.
Researchers identified central, unifying elements of wisdom, including its uniqueness to humans, experiential nature, and personal quality. The study provides insight into the characteristic qualities of wisdom, shedding light on its distinctiveness from intelligence and spirituality.
A rare weather station has recorded daily temperatures for 114 years, confirming a warming climate. The Mohonk Preserve's consistent temperature records show a rise of 2.63 degrees Fahrenheit, matching global measurements and tracking the expected land trend closely.
Research from the ICUROS study reveals that hospitalized vertebral fracture patients have a more substantial decrease in quality of life. This is attributed to co-morbidities and higher severity of fractures among hospitalized individuals.
John A. Kanis receives IOF Medal of Achievement for his long-standing and distinguished career advancing the field of osteoporosis research. He has published widely on disorders of skeletal metabolism, including osteoporosis, Paget's disease of bone, hyperparathyroidism, renal osteodystrophy and neoplasia.
By studying fossil plant remains, scientists can gain insights into past temperatures and environmental conditions. The researchers found that water availability and plant type significantly impact the exchange of carbon isotopes between plants and the atmosphere.
Researchers identified gibberellins as a key hormone family regulating tree root development and adaptation to changing soil conditions. Hormone suppression could help trees adapt to stress, and the findings have potential applications in biotechnology and selective breeding.
A new research study is exploring the effects of dark chocolate on cardiovascular health in people with high blood pressure. Participants will be given 50g of dark chocolate daily for eight weeks to examine its impact on blood vessel health and the risk of developing heart disease.
Researchers found over 2,000 genes reprogrammed in peripheral nervous system of rodent models, leading to potential 'transcription therapy' for chronic pain. The study's high-throughput sequencing revealed novel exons and gene candidates, offering a new approach for neuroscientific research.