The Advexin therapy, which delivers normal p53 genes to cancer cells, resulted in significantly smaller tumors and increased infiltration of T-lymphocytes, a key component of the immune system. After surgery, researchers found higher levels of normal p53 mRNA and an increase in the p53 protein, suggesting improved cancer response.
The NIH is providing $32.8 million to enhance its Biomedical Informatics Research Network (BIRN), a consortium of universities and research groups focused on utilizing information technology innovations to advance biomedical science. BIRN aims to create an environment encouraging collaborative research, facilitating sharing, analysis, ...
A new study reveals a mechanism controlling heat transfer and geological production at mid-ocean ridges. Researchers used a new seismic technique to study the Earth's mantle, finding that slow plate separation rates hinder melt production.
Researchers found that thiazolidinedione (TZD) class of anti-diabetic therapies can kill multiple myeloma cells by binding to PPAR-gamma protein, showing potential as a new cancer therapy. The effectiveness of TZD drugs was enhanced when combined with Vitamin A-like compounds.
Researchers at NIST developed a software tool that analyzes X-ray data to identify rare contaminant particles, such as chromium and copper, in ultrapure metals and nanoscale semiconductor fabrication. The tool improves the analysis of X-ray data from scanning electron microscopes and has been included in commercial products.
Sandia is testing five innovative arsenic-removal technologies at a geothermal spring in Socorro, New Mexico, as part of the Arsenic Water Technology Partnership. The pilot test aims to develop cost-effective water treatment solutions for small communities impacted by the new EPA standard.
A study of over 9,600 participants found that those who were severely obese in young adulthood had significantly higher Medicare charges at age 65 compared to non-overweight peers. The average annual Medicare charges for severely obese individuals were $6,192 more than for non-overweight men and $5,618 more than for non-overweight women.
Scientists have developed a new method for crystallizing proteins, which could lead to the creation of effective drugs for diseases such as cystic fibrosis and Alzheimer's. The improved method uses a thinner sponge-like structure to bind proteins together more easily.
The Idaho National Laboratory has recognized five scientists, William Apel, James Delmore, Paul Meakin, David Petti, and Herschel Smartt, as its first-ever Laboratory Fellows. They were selected based on their professional knowledge, scientific achievements, and national technical leadership.
The study, led by Dr. Miguel Nicolelis, demonstrates the ability to distinguish patterns of brain activity in awake animals, including fleeting changes during sleep stages. The new analytical technique enables unprecedented insights into the healthy brain and neurological diseases like epilepsy and Alzheimer's.
The UC Riverside Extension will provide support to trained teachers and day care providers in San Bernardino County with funding from First 5 California and First 5 San Bernardino. The organization will offer tuition assistance, training, and educational resources to help improve early childhood education.
A study by Northwestern University researchers found that average annual and cumulative Medicare charges are significantly higher for obese individuals, with severe obesity resulting in costs of up to $175,000. The study highlights the urgent need for preventive measures to address obesity and reduce healthcare costs among older adults.
Scientists have determined how a specific protein blocks DNA replication, providing a key to designing targeted cancer therapies. By understanding the structure of this protein, researchers may also develop new forms of antibiotics.
Researchers find that bulimia often co-occurs with dysthymia, a lower-level depression. Chronic low self-esteem and prolonged mood disturbances contribute to the development of bulimia. The study suggests that therapists can assess for dysthymia in bulimic patients and choose targeted treatments to combat both disorders.
A study of 642 men aged 60+ found that those with higher bone lead levels in the tibia were more likely to develop cataracts. The researchers suggest that reducing lead exposure could help decrease the global burden of cataract, a condition affecting over 40% of blindness cases.
A study published in the American Journal of Roentgenology found that increased bone marrow fat is an independent marker of bone weakening. The ratio of bone marrow fat to bone mineral density was higher in healthy individuals and lower in those with signs of bone weakening.
The NIDCR-launched study aims to detect unique patterns of gene expression in oral bacterial communities that predict periodontal diseases. The researchers will store biological information in a searchable online database, allowing for more precise diagnosis and treatment.
U of MN researchers have developed a new approach to adult cord blood transplantation, achieving high engraftment rates and low complications. The treatment uses combined use of two cord blood units from different donors, offering potentially life-saving therapy to patients previously denied treatment.
Researchers have discovered that marine snails and humans share identical cellular mechanisms for learning and memory, which could lead to breakthroughs in understanding age-related memory loss and developing interventions for people with memory disorders. The study may also shed light on the role of protein synthesis in long-term memory.
Research found a high correlation between tumor responses based on tumor density and biologic changes in gastrointestinal tract tumors. Monitoring only tumor size to judge treatment effectiveness proved unreliable, highlighting the need to evaluate biologic changes as well.
Researchers at Children's Hospital of Philadelphia studied 25 newborns born with congenital heart defects and found significantly lower cerebral blood flow, associated with periventricular leukomalacia, a condition linked to cognitive problems. The study suggests that abnormal neurological conditions may play a role even before surgery.
Researchers found that transplanted bone marrow cells reduced liver fibrosis in mice treated with carbon tetrachloride. The treatment also improved survival rates and increased serum albumin levels, suggesting a new concept for treating liver fibrosis.
A study found that minority teens perceive their own ethnic groups using more drugs than others, but this perception is influenced by their sense of identity. In contrast, White youth tend to underestimate the prevalence of drug use among other racial groups.
Scientists report that marine benthic diversity in Laurentia recovered to pre-extinction levels within 5 million years, nearly 15 million years sooner than suggested by global compilations. This rapid recovery suggests that the region operated differently from the globe as a whole.
A study found breast MRI had a high sensitivity of 88.1% for detecting breast cancer, but moderate specificity of 67.7%. The imaging modality did not significantly improve outcomes for patients with mammographically or clinically suspicious lesions.
Researchers at Idaho National Laboratory have achieved a major advancement in producing hydrogen from water using high-temperature electrolysis, enhancing efficiency to 45-50%. This technology has the potential to reduce greenhouse gas emissions and fossil fuel consumption.
Researchers expand the ABCD rule to recognize changing characteristics of early melanomas, especially nodular melanomas. The new guideline aims to improve detection and diagnosis of this aggressive form of skin cancer.
A study published in JAMA found that MRI can accurately detect breast cancer with a high sensitivity rate of 88.1%, but its effectiveness decreases when ruling out malignancies. The technology is most beneficial for patients with difficult-to-interpret mammograms.
Researchers found significant ethnic differences in NAFLD prevalence, with striking variations among Hispanics, whites, and blacks. Hepatic steatosis was more common in Hispanics and less common in blacks, highlighting fundamental differences in lipid homeostasis.
The UNC study found that schools with a Tobacco-Free School policy had significantly fewer instances of smoking at football games than those without such a policy. Compliance varied widely between schools and from game to game, but was highest when schools clearly communicated their policy using signs and public announcements.
Scientists at Penn State have observed extended chains of phenylene molecules that align and interact without forming chemical bonds, paving the way for controlling growth and assembly of molecules. This discovery could lead to manipulating nanostructured materials with unprecedented precision.
A study found that pharmaceutical sales representatives have limited influence on physician prescribing behavior, despite significant spending on detailing and free samples. Physicians rely on alternative sources of information, such as scientific papers and colleagues, which outweigh the persuasive power of sales representatives.
A new study suggests that resveratrol in red wine can prevent the excessive production of collagen in heart cells, leading to a stiffening of the heart muscle and reduced blood pumping efficiency. Drinking moderate amounts of red wine may offer protective effects against hypertension and heart failure.
Researchers identified a shortfall of IDE protein in Alzheimer's patients and found a cause-effect relationship between insulin signaling and increased production of IDE. A low-fat diet high in fish and soy was shown to increase production of IDE, suggesting a potential protective effect against Alzheimer's disease.
The American Academy of Ophthalmology published a comprehensive collection of 60 case studies covering diverse ophthalmic topics including sebaceous carcinoma, refractive errors, glaucoma, and more. The studies provide valuable insights into the diagnosis and management of various eye conditions.
Researchers at Stanford University School of Medicine developed a technique to eliminate graft-versus-host disease without compromising cancer treatment. In clinical trials, the therapy showed promising results with only one patient developing severe graft-versus-host disease out of 37 treated patients.
A new method enables engineers to design more efficient heating, cooling, and other systems for spacecraft in space, on the moon, and Mars. The system uses a two-phase fluid behavior that can transfer heat effectively, making it compact and lightweight.
A USC/Norris Comprehensive Cancer Center study reveals significant differences in survival rates between HIV-related lymphoma types, including DLCL and SNC. The research suggests that optimal therapy may differ for these sub-types of disease.
The study identifies key factors that led to the success of seven developing countries' health biotech industries, including focusing on local health needs, private sector commercialization, widespread collaboration and long-term government support. Successful innovations, such as Cuba's vaccine for Haemophilus influenzae type b infect...
Research found that individuals who slept for shorter durations had reduced leptin and elevated ghrelin, leading to increased feelings of hunger. This may contribute to the rising obesity pandemic, emphasizing the importance of good sleep in fighting weight-related issues.
Scientists have successfully cloned primates up to the blastocyst stage, a developmental milestone for embryonic stem cell research and potential treatments for diseases such as diabetes and Parkinson's. The breakthrough could pave the way for deriving human embryonic stem cells from nonhuman primate templates.
Researchers analyzed ancient liquids in bronze vessels from China, dating back to the Shang and Western Zhou Dynasties, and found evidence of fermented rice and millet wines. The discovery confirms a 9,000-year history of Chinese fermented beverages and sheds light on their role in ancient culture.
Scientists have found evidence of sulfates, cross-bedding, and blueberry mineral deposits that indicate liquid water was present on Mars. The discovery suggests the possibility of life existing on Mars in some form.
Researchers developed a survey method using helicopters to estimate orangutan numbers, revealing crucial information on distribution and size. The study suggests orangutans may adapt better to degraded forests than previously thought, provided illegal hunting and agricultural conversion are controlled.
Researchers found a gene that produces peroxide to 'stitch' together proteins surrounding the egg, hardening it into a protective barrier. This process helps prevent polyspermy and protects fertilized eggs from damage.
A study found that short sleep duration is associated with reduced leptin levels, elevated ghrelin levels, and increased BMI in a large cohort of participants. This hormonal imbalance may contribute to the development of obesity in societies where excess calories are easily accessible.
Researchers at Cedars-Sinai Medical Center found that a genetically engineered virus delivering the protein hsFlt3L slowed tumor growth and increased immune cell production in laboratory rats with glioblastoma multiforme. The study may lead to a new treatment approach for patients with GBM.
UCL surgeons successfully performed phalloplasty to rebuild micropennises in nine men, with four able to urinate standing up and four have regular sex. However, complications arose in several cases, highlighting the need for awareness and careful monitoring.
A new USGS-led study warns of the limitations and inaccuracies of microbial source tracking methods, which are used to identify sources of contamination. The study found that fewer than 30% of challenge isolates were correctly classified to their source-animal species.
UC Riverside researchers found that cigarette smoke delays the formation of healing tissue and sets the stage for increased scarring. The study, led by Professor Manuela Martins-Green, used doses equivalent to 'first-hand' and 'second-hand' exposure in humans and mice, revealing the negative effects on fibroblasts' structure and function.
Researchers developed a mathematical theory that describes the universal shape of stalactites, found in caves worldwide. The theory, based on fluid dynamics and geometry, reveals an ideal form underlying all stalactite shapes, with actual formations differing by less than 5%.
Researchers have developed a peptide vaccine that produces an immune response in 60% of patients with myeloid leukemia, resulting in complete molecular remission for three patients. The vaccine targets the PR1 peptide, which is overexpressed on leukemia cells, inducing immune T-cells to kill cancer cells while leaving normal cells intact.
Researchers describe a process regulated by Hedgehog gene that induces formation of fast twitch muscles from slow twitch cells in zebrafish embryos. The findings provide insights into muscle development and potential models for muscular dystrophy.
A combination of two biologic agents, alemtuzumab and rituximab, with chemotherapy has shown a promising response rate of 55% in CLL relapse patients. Complete remission was achieved by 23% of patients, while leukemia levels were reduced by at least half in 35% of cases.
A recent Stanford University School of Medicine study found a significant link between sleep loss and hormonal changes that contribute to obesity. Ghrelin and leptin hormone levels were consistently increased and decreased with reduced sleep duration, respectively.
Researchers found that a combination of thalidomide and dexamethasone is as effective as standard intravenous chemotherapy in treating newly diagnosed multiple myeloma. A newer analog, CC-5013 (lenalidomide), showed promise with fewer side effects.
Researchers used reactive hyperemia peripheral arterial tonometry (RH-PAT) to assess coronary endothelial dysfunction in patients. The study found a strong correlation between fingertip test results and coronary endothelial dysfunction, suggesting the fingertip test could be an effective screening tool for early heart disease.
Infants who don't sleep on their tummies have a higher risk of Sudden Infant Death Syndrome (SIDS), according to a new study. Babies who experience sleeping prone are better able to avoid conditions that may trigger SIDS by learning how to breathe more efficiently.
A recent Penn epidemiological study found a marked difference in heart-attack risk between COX-2 inhibitors rofecoxib and celecoxib, with celecoxib linked to a lower risk. The study compared the cardiovascular effects of these drugs to nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin and ibuprofen.
Two studies found that physicians who cared for more terminally ill patients were less likely to support assisted suicide, but more supportive of terminal sedation. Attending religious services also appeared to increase opposition to assisted suicide. The findings suggest a complex relationship between medical ethics and personal beliefs.