Researchers found that JNK signaling suppresses tumor development, but its absence actually promotes tumor growth. This discovery could lead to new treatment strategies for certain types of cancer.
Vanderbilt University Medical Center researchers found that blocking the prostaglandin E2 (PGE2) receptor EP2 may restore the immune system's ability to kill tumors. In mouse models, tumors grew smaller and mice survived longer when the EP2 receptor was absent.
Researchers found cocaine users had lower dopamine and VMAT2 levels in their brains compared to non-users. Additionally, depressed cocaine users had lower VMAT2 levels than those without depression.
According to University of Toronto researchers, the brain uses prior knowledge to guide perceptions and ignores or downplays small changes. The brain gauges probabilities and makes the best possible use of flawed sensor data to form a coherent picture.
Researchers at Johns Hopkins Medicine discovered a primitive cellular pathway, Sonic Hedgehog, that stays active in some lung cancers. The pathway's activation leads to excessive cell growth and cancer. Researchers are testing drugs on mice and plan to explore human clinical trials in the future.
A new study links overweight individuals to poor community environments with crime and safety concerns. Missouri residents who perceived their neighborhoods as unsafe were more likely to be overweight.
A study of chronic drug users in Miami-Dade County found that 67% of women reported having a serious injury or traumatic event sometime in their life. The prevalence of such events was higher among women who abused drugs than those who did not, although treatment rates were similar.
Researchers increase vitamin C content in plants by introducing a gene that boosts the enzyme responsible for recycling vitamin C. The technology could provide an important means of increasing vitamin C levels in crops, improving nutrition and public health.
Researchers used computer climate models and over 45 years of data to understand the connection between El Niño events and Western US snowfall. They found that ENSO affects atmospheric wind patterns, moist air transport, and Western U.S. precipitation and snow accumulation.
The study found that roads, damage to tundra, and animal population decline are significant concerns. The report concludes that a balance must be reached between economic development and environmental protection in the North Slope region.
The Children's Hospital of Philadelphia has been awarded a federal grant to monitor the nation's blood supply for new infectious agents, particularly relevant for thalassemia patients who require frequent blood transfusions. The program will also expand its efforts to identify new patients with thalassemia and provide comprehensive ser...
The US government has struggled to allocate resources effectively, with basic science being funded without practical ends. New criteria aim to prioritize fields based on their contributions to related areas, with peer review and economic evaluations playing a crucial role in the process.
A major study shows that taking 325 milligrams of aspirin daily can reduce the risk of developing polyps in the colon by 35%, a significant step towards preventing colorectal cancer. The study involved over 100 medical centers and clinics across the US, with patients who had previously suffered from colorectal cancer.
Breaux proposes extending coverage to all Americans through a basic health insurance plan with premium subsidies for low-income families. He also hopes the Senate will debate competitive Medicare modernization proposals, citing increased chances of passage due to Sen. Bill Frist's elevation to majority leader.
Researchers found that MDMA use can alter cardiovascular function and produce toxic inflammation in the heart. Chronic MDMA binge pattern was shown to change heart rate and blood pressure responses, similar to a vasovagal reflex, increasing risk of cardiovascular damage.
A daily aspirin regimen was found to significantly reduce the occurrence of pre-cancerous polyps in patients with a history of colorectal cancer, lowering their risk by about one-third. Aspirin's protective effect also prevented the development of new adenomas and reduced the number of existing polyps.
A randomized, double-blind study of over 1100 patients found that low-dose aspirin reduced the incidence of polyps by 19% and advanced lesions by more than 40%. Regular aspirin tablets also showed significant reductions in adenoma occurrence.
Changes in atmospheric pressure and wind patterns cause forces that act on the solid Earth, leading to slight slowdowns in Earth's rotation during El Niño years. This effect is tied to the law of conservation of angular momentum, which connects the Earth's rotation rate with its overall mass.
Researchers at UCLA have created a new method for producing carbon nanoscrolls, which can be made at room temperature and offer significant advantages over traditional carbon nanotubes. This breakthrough could lead to improved hydrogen storage, enabling the development of pollution-free, hydrogen-powered cars.
Scientists have successfully measured wind's interaction with the ocean, revealing a pattern consistent with a 1957 theory. The findings could improve climate modeling and prediction of weather and wave activity.
Researchers at Imperial College London have established a 'proof of principle' that prion diseases might be prevented using monoclonal antibody therapy. The treatment, which involves administering antibodies to mice infected with scrapie prions, appears to delay the onset of clinical disease indefinitely.
A large randomized trial found that daily aspirin use reduced the incidence of adenomas and prolonged time to appearance in colon cancer patients, offering strong evidence for its protective properties.
A recent study published in Pediatrics found that treating children with ADHD with stimulants significantly reduces the risk of developing a substance use disorder. The researchers analyzed data from six long-term studies and found a two-fold reduction in SUD risks among treated youths compared to untreated peers.