Researchers at UGA are using manmade tracers to study the exchange of gases between vegetation and the atmosphere. They aim to improve methods for evaluating carbon sequestration in plant canopies, a crucial step in understanding how much carbon is taken up by different ecosystems.
Researchers found correlations between cellular features and cancer development in prostate and ovarian cancers. Prostatic intraepithelial neoplasia may be a significant target for prevention strategies.
A study by Victoria Werth and Kathleen E. Sullivan identified a variant of the TNF-alpha promoter that shows increased activity when exposed to sunlight, leading to cellular death and inflammation in lupus patients. This discovery could lead to the development of new treatments for photosensitivity in lupus patients.
A recent study published by the American Academy of Neurology found that smoking significantly increases the risk of developing multiple sclerosis (MS), regardless of age or education level. The study examined over 22,000 people and found that smokers were 1.81 times more likely to develop MS than non-smokers.
A study of 115 stroke patients found that lowering blood pressure within the first 24 hours can lead to poorer outcomes. Blood pressure drops significantly in this period, reducing brain tissue flow and causing more damage.
Researchers found that gamma-secretase cleaves both amyloid precursor protein (APP) and Notch interchangeably, treating them as interchangeable substrates. The study suggests a new approach to inhibiting gamma-secretase activity without interfering with its role in Notch signaling.
The European Parliament calls on Eastern European countries to share knowledge and resources to combat HIV resistance. FUZEON, a new treatment, has been shown to reduce HIV levels and increase CD4 cell counts in patients with drug-resistant strains.
A new OHSU study reveals that consuming four or more servings of fruits and vegetables per day can significantly lower the risk of breast cancer. The research, conducted in Shanghai, China, found a 50% reduced risk among participants who met this daily intake threshold.
Researchers have discovered that three species of cassowaries can produce low-frequency sounds that may be similar to those made by dinosaurs. The birds' helmet-like casques are thought to serve a function in sound reception and could provide clues about dinosaur communication.
Female wolf spiders exhibit social recognition and memory, favoring familiar male phenotypes for mating. This behavior is linked to their experience during the pre-adult stage, with cannibalization rates among unfamiliar males being higher.
Columbia researchers have developed a classification system for turning SAR data into detailed maps of landscape elements like water, vegetation, and rocks. This technology has shown superiority over optical remote sensing in identifying disaster zones, particularly during nighttime or with smoke and dust present.
A US study found that liver transplantation significantly improves five-year survival rates for patients with hepatocellular carcinoma (HCC), from 25.3% in the late 1980s to 61.1% in the early 2000s. The study suggests that careful patient selection based on improved criteria may be a key factor in these improvements.
The 2002 Annual Bibliography of Significant Advances in Dietary Supplement Research highlights recent studies on the role of antioxidants, vitamins, and minerals in managing various health conditions. The publication features a list of top 25 articles selected from over 350 original research papers.
The study analyzed data from 2,932 participants who were free of major life-threatening diseases and had normal physical and cognitive function at baseline. After eight years, 48% of the participants had aged successfully, with those without subclinical cardiovascular disease faring better.
A triple therapy study using ZADAXIN in combination with pegylated interferon alpha and ribavirin showed a 61% response rate for patients with hepatitis C who were non-responders to previous treatment. The study found that ZADAXIN improved response rates for these patients.
A study reveals six cases of patients experiencing vision-threatening problems after wearing illegal costume contact lenses. The FDA has issued a warning about the dangers associated with these lenses, which can cause permanent eye injuries and potentially lead to blindness.
Researchers created mouse models to study PTEN's impact on prostate cancer progression. Subtle reductions in PTEN dose produced progressive changes in the biology of tumors, with mice having no functional PTEN genes showing the most invasive and aggressive cancers.
Research studies reveal that weight loss, exercise, and dietary changes can lower breast cancer risk by up to five percent of body weight and increase physical activity levels associated with reduced mammographic breast density. Additionally, a low-carbohydrate diet may be more effective in preventing prostate cancer progression.
Researchers at Duke University Medical Center have developed a new treatment for degenerative eye disease, macular translocation surgery with 360 degree peripheral retinectomy (MT360), which has shown promising results in recovering reading vision in patients. The procedure involves rotating the retina to shift the degenerating macula ...
A new curriculum developed by Duke University's Pharmacology Education Partnership (PEP) has shown to significantly improve students' understanding of biology and chemistry. The approach uses real-world examples, such as nerve gas and drugs, to make science more relevant and engaging for students.
Scientists at Memorial Sloan-Kettering Cancer Center discovered that the amount of PTEN protein produced affects prostate cancer progression. Mouse models showed varying levels of PTEN protein led to aggressive or benign tumors, suggesting novel clinical strategies for diagnosis, treatment, and prevention.
A study by Penn State researchers found that school service personnel who participated in a Project PA workshop recognized the importance of nutrition education and healthy eating behaviors in addressing childhood obesity. The participants identified parental attitudes, peer pressure, and media as barriers to students' healthful eating...
A Canadian study compared outcomes for patients with elevated cardiac markers who received a home health nurse-delivered disease management program versus those without. The results showed significant reductions in hospitalization days for congestive heart failure and angina. A commentary highlighted the need for a national program to ...
A Canadian study found that 96% of substantiated child abuse cases did not result in serious physical harm, highlighting the need for a reevaluation of investigative procedures and risk assessments. The study's findings also raise concerns about the emphasis on rapid intervention over longer-term service needs.
A newly discovered bacterium, Polaromonas naphthalenivorans strain CJ2, has been found to break down naphthalene and other toxins in coal tar contamination. The discovery was made using a new technique called stable isotopic probing (SIP), which allowed researchers to identify the microbe's DNA signature.
The study reveals a significant lack of data on neonatal mortality in Sub-Saharan Africa, resulting in a highly variable rate. Researchers highlight the need for investments in neonatal research and health programs to address this critical public health issue.