The Antarctic ozone hole is smaller than usual this September due to unusual stratospheric weather patterns. The researchers warn that a single year's pattern does not make a long-term trend, and the data are not conclusive that the ozone layer is recovering.
A UCSF study found that macrophages from human lymphoma patients can cause mouse lymphoma when injected into mice. This contradicts the current understanding of macrophages' role in fighting disease. The researchers believe HIV-infected macrophages can become neoplastic and stimulate lymphoma growth.
A randomized trial of simvastatin in 173 children with heterozygous familial hypercholesterolemia found significant reductions in all cholesterol measures. The drug was well-tolerated and did not affect growth or pubertal development, making it a safe option for treating inherited high cholesterol in children.
Researchers found that everolimus reduced scar tissue growth in stents, preventing re-blockages by 46-40 percent. The oral medication shows promise as a treatment for restenosis and may reduce the need for stenting.
A study found that wearing contact lenses instead of glasses increased feelings of self-confidence and 'pulling power'. Volunteers who switched to contact lenses reported a significant increase in abilities, with many more likely to engage in social interactions, including hugging, kissing, and fondling.
A study published in Nature Genetics reveals a gene mutation underlying Amish microcephaly, a birth defect marked by a small head and brain size. The researchers found that the defect disrupts mitochondrial function, leading to abnormal brain development.
Researchers found that combining calcium scores and CRP levels can gauge the presence, amount, and stability of artery-clogging plaque. Elevated CRP levels were linked to increased risk of coronary events, while combined tests showed a six-fold difference in heart attack risk between high-risk and low-risk individuals.
Leading oncology experts emphasize the need for additional research among elderly cancer patients with co-morbid conditions and those taking multiple medications. They advocate for equal access to treatment options as younger patients, highlighting a lack of focus on this critical patient population.
Researchers found that FMRP associates with RNAi-related cellular machinery, suggesting a possible role for RNAi in regulating gene expression. This discovery may lead to an entirely new field of molecular human genetics, shedding light on the genetic causes of fragile X syndrome.
Researchers found that c-Myc is essential for tumor development by regulating blood vessel growth. The study suggests disrupting c-Myc may be a successful anti-angiogenic tool in cancer therapy, targeting tumors' vascular networks to slow growth.
Researchers at Los Alamos National Laboratory have developed a computer model of the E-coli ribosome, a cellular structure responsible for protein creation. This model has applications in developing new and powerful antibiotics against a range of pathogens, including those used in bioweapons agents.
Researchers at the University of Wisconsin-Madison have discovered a potent Vitamin D analog, known as 2MD, which significantly increases bone density in rats with osteoporosis. The compound has shown no apparent toxicity and may become an alternative to hormone replacement therapy.
Researchers have discovered that autoreactive B cells escape normal controls by proliferating and undergoing somatic hypermutation outside the germinal center, leading to the production of autoantibodies in autoimmune diseases like lupus. The study reveals a new understanding of how B cells contribute to the origins of these diseases.
The NIH has awarded a ten-year, $19 million contract to Chimp Haven to establish a chimpanzee sanctuary. The sanctuary will provide humane care for retired research chimpanzees and operate under standards established jointly by the NCRR advisory panel and the Chimp Haven Board of Directors.
Two studies found that patients with kidney disease are at increased risk of death after a heart attack, receiving less-aggressive treatment. Meanwhile, researchers report four cases of muscle damage caused by statins, highlighting the need for closer monitoring.
Researchers highlight the importance of selecting an antiemetic with low potential for drug interactions in elderly cancer patients. Granisetron, a 5HT3 receptor antagonist, is considered a safe choice due to its low risk of cardiovascular toxicity and adverse interactions.
Researchers have developed a new technique to detect corrupted tumor suppressor genes affected by DNA methylation, which could lead to new therapies. The study found that DNA methylation primarily affects different genes than those damaged by deletion or mutation, suggesting a previously unrecognized source of therapeutic targets.
Researchers tested clay to treat harmful algal blooms (HABs), removing 80-90% of toxins in laboratory experiments. The study also found Pfiestera piscicida, a bacterium affecting fish, may be widespread in oceans and sea bass.
Researchers have identified three new genes in a rhesus monkey rhadinovirus with high structural similarity to those in human herpesvirus-8, paving the way for future studies using recombinant viruses. The goal is to develop targeted drug therapies against specific KSHV genes to prevent virus spread and cancer induction.