Researchers at UCLA have created a new material combining quantum dots and silicon, enabling electronic devices to operate without passing an electric current. This breakthrough could lead to the development of non-volatile electronics with much lower power consumption.
Researchers analyzed over 900 dogs and 200 wild gray wolves worldwide, finding that modern dogs share more genetic similarity with Middle Eastern gray wolves than other wolf populations. The study's findings contradict previous research suggesting an East Asian origin for dogs.
A new computational strategy for genome-wide association studies (GWAS) corrects for population structure and hidden relatedness, reducing computation time from years to hours. The EMMAX method uses high-density markers to capture complex relationships between individuals and corrects for ancestry-related biases.
Engineers at UCLA have developed a rapid method to detect bacterial contamination in coastal waters, reducing testing time from days to under an hour. The new method uses magnetic beads and enzymes to analyze fecal bacteria levels in real-time, providing up-to-date data on water conditions.
A combination of Herceptin and Tykerb significantly inhibits tumor growth in gastric cancers with HER2 amplification, providing a new treatment option for tens of thousands of patients worldwide.
Researchers at UCLA have created a new graphene nanostructure called graphene nanomesh (GNM), which can open up a band gap in graphene and create a highly uniform, continuous semiconducting thin film. This breakthrough has the potential to enable practical application of graphene as a semiconductor material for future electronics.
Researchers will present their findings on the latest dark matter detection experiments and detectors, shedding light on one of science's last great frontiers. The UCLA symposium aims to advance our understanding of dark matter, a mysterious substance thought to make up almost 25% of the universe.
Researchers at UCLA found a biochemical link between misery and death, as well as a genetic variation that blocks this link. They discovered that individuals with the rare IL6 gene variant were less susceptible to death due to inflammation-related mortality causes under adverse social-environmental conditions.
A UCLA study of U.S. Civil War veterans reveals that strong unit cohesion provides a protective effect against stress-related illnesses, with men from cohesive companies living up to six years longer than those from uncohesive ones.
Researchers have identified four mRNA biomarkers in saliva that differentiate pancreatic cancer patients from non-cancer subjects with high sensitivity and specificity. The findings suggest a potential role for salivary diagnostics in early detection and treatment of pancreatic cancer, a leading cause of cancer death.
Researchers have developed a new material that can capture heat-trapping carbon dioxide emissions using a synthetic DNA-like crystal. The discovery could lead to cleaner energy and potentially create materials that convert carbon dioxide into fuel.
A new UCLA School of Public Health study found that commercial TV viewing is associated with higher BMI in children, especially those under 7. Non-commercial viewing had no significant link to obesity. The researchers suggest steering kids away from commercials may help reduce childhood obesity.
Scientists have revealed the 3-D structure of vesicular stomatitis virus (VSV), a model system for understanding negative-strand RNA viruses. The research provides insights into the assembly process and proposes a model for viral structure, potentially leading to advances in cancer treatment and HIV vaccines.
Researchers at UCLA have made a breakthrough in identifying the earliest signs of Alzheimer's disease using brain imaging techniques. By tracking subtle changes in brain structure over time, they were able to predict a brain's progression to Alzheimer's disease, allowing for potential early interventions.
A large-scale population-based study found that specific sub-class of dihydropyridine cardiovascular medications decreased the risk of Parkinson's disease by 26-30%. The study suggests that these medications' ability to cross the blood-brain barrier may be key to their neuroprotective effects.
A new study predicts that the H1N1 virus can spread quickly on planes, particularly in crowded economy classes. Researchers used mathematical modeling to estimate potential infections during long-haul flights and found that two to five infections could occur on a five-hour flight.
A national survey found that only 21% of Americans with clinical depression receive adequate treatment, while half go untreated. Disparities in mental healthcare access persist, particularly for African Americans and Mexican Americans, who face significant barriers to care.
A UCLA study published in the American Journal of Ophthalmology found that older women who quit smoking had a significantly lower risk of developing advanced age-related macular degeneration. The research, led by Dr. Anne Coleman, followed 1,958 women over five years and showed that even after age 80, quitting smoking can reduce AMD risk.
Researchers discovered a molecular switch that prevents Huntington's disease from developing in mice, providing new hope for treating the genetic disorder. The study suggests that phosphorylation of specific amino acids near the huntingtin protein can prevent the onset of symptoms.
Researchers at UCLA's Jonsson Comprehensive Cancer Center discovered that deoxycytidine kinase (dCK) enzyme plays a crucial role in the development of healthy immune systems. Mice without this enzyme have defects in their adaptive immune system, producing very low levels of T and B lymphocytes.
A UCLA research team will develop an ultra-high-toughness nanomolecular resin to reinforce asphalt-aggregate mixture, providing mechanical locking of aggregates and serving as a load-bearing component. The new repair methodology aims to enhance the strength, durability and service life of asphalt pavements.
Researchers at UCLA have created a new intracellular delivery platform using nanocapsules with a single-protein core and polymer shell that can degrade or remain stable based on the cellular environment. This technology shows high efficiency and activity of multiple proteins delivered to cells with low toxicity.
Researchers used pláticas to encourage participants to stockpile water and food, resulting in a 93.3% increase in having water compared to 66.7% with mailers. A family communication plan was also more effective with pláticas, at 70.4%, compared to 42.3%.
Researchers at the Broad Stem Cell Research Center found that tissue-specific genes are indeed marked by transcription factors, potentially crucial for stem cell function. The study suggests that faithful marking of these genes may be essential for pluripotency and efficient differentiation of stem cells.
Researchers at UCLA's Jonsson Comprehensive Cancer Center found that inhibiting fatty acid synthesis in brain cancer cells can lead to massive cell death, especially in tumors with amplified EGFR signaling. This discovery suggests a new treatment approach for glioblastomas and potentially other cancers.
Researchers at UCLA have genetically modified a cyanobacterium to consume carbon dioxide and produce isobutanol, a potential gasoline alternative. This method recycles carbon dioxide, reducing greenhouse gas emissions, and uses solar energy, making it an efficient and less expensive approach than current biofuel production methods.
Researchers at UCLA and IBM successfully grown silicon-germanium semiconducting nanowires for potential use in next-generation transistors. The nanowires could help speed the development of smaller, faster and more powerful electronics.
Researchers from UCLA demonstrate that human blood stem cells can be engineered into cells that target and kill HIV-infected cells. This approach, similar to a genetic vaccine, could be effective against other chronic viral diseases. The study provides proof-of-principle for using this strategy in the human body.
A new UCLA study found that most homeless young people return home after leaving, and factors like maintaining relationships with pro-social peers, staying in school, and parental support play a crucial role. The key to returning home appears to be early intervention before family relationships deteriorate.
A UCLA study found that nearly 20% of stroke survivors were not taking antithrombotic medications, with non-Hispanic, older, and male patients more likely to be on these medications. The study suggests further research is needed to understand the reasons behind this disparity in medication adherence.
Researchers found that unacculturated Hispanics had fewer HIV tests and were more likely to test positive. Interventions must address cultural differences to reduce the growing rate of HIV/AIDS among Hispanics.
Chemists have successfully designed and observed custom-shaped microparticles interacting and self-assembling in a controlled manner within a liquid crystal. The discovery opens up possibilities for the creation of larger-scale assemblies with various applications in photonics, optical communication networks, and other fields.
A new study found that certain types of financial incentives for improving patient care have a positive effect on patient experiences. However, placing too much emphasis on physician productivity can actually harm patient satisfaction. Researchers analyzed data from 124,021 patients and found improvements in areas like communication an...
A recent UCLA study found that blindness causes structural changes in the brain, leading to compensatory growth in non-visual areas. This adaptation enables individuals with visual impairments to develop enhanced skills in other senses.
Researchers at UCLA have created a device that captures cancer cells in the blood using nano-sized features, allowing for early detection and diagnosis of metastasis. The new method may be faster and cheaper than existing technologies, capturing up to 65% of cancer cells.
A study by UCLA's Jonsson Comprehensive Cancer Center found TiO2 nanoparticles in cosmetics, sunscreen, and other products cause DNA breaks, chromosomal damage, and inflammation in mice. The researchers suggest limiting nanoparticle exposure to prevent potential health hazards.
Researchers at UCLA discovered that simply looking at photos of a partner can reduce pain, suggesting a strong emotional link. The study also found holding hands with a loved one can further decrease physical discomfort.
A new UCLA study found that individuals between 60-69 years old experienced significant increases in disabilities, including basic activities, instrumental activities, mobility, and functional limitations. This trend is concerning as it may put a burden on the healthcare system and boost health costs.
Researchers have solved the puzzle of how the Falkland Islands wolf, an extinct species, got to the islands. DNA analysis reveals that the closest relative is a South American dog species called the maned wolf and the bush dog.
A UCLA/Emory study discovered significant differences between the human and chimp versions of the FOXP2 gene, which may explain why humans developed language while chimps did not. The research provides insight into the evolution of the human brain and may lead to new drug targets for disorders characterized by speech disruption.
A special issue of a medical journal examines Latino health disparities, including chronic diseases like hypertension and diabetes. It also highlights the lack of access to primary care services and patient-centered medical homes among Latinos.
Researchers at UCLA have successfully reconstituted the enzyme responsible for producing lovastatin, a widely used cholesterol-lowering medication. By understanding how this large enzyme works, they hope to retune its assembly line to produce other natural compounds with similar benefits.
A new UCLA study found that early-morning colonoscopies yielded more polyps per patient than later screenings, while the amount of polyps discovered decreased hour by hour as the day progressed. This suggests a need for broader system changes to improve outcomes for colonoscopy procedures.
The new center will support partnerships with community-based organizations to conduct innovative research and develop effective programs to eliminate health disparities. It will also expand training and technical assistance services, including multilingual materials and distance learning programs.
A UCLA study found that HIV stigma is a strong predictor of poor access to medical care and suboptimal adherence to antiretroviral therapy. Individuals experiencing high levels of internalized stigma were more likely to report poor access to care and lower medication adherence.
Middle-aged and older adults with little Internet experience showed significant brain activation patterns after just a week of online training. The study found that internet searching can stimulate neural activity, enhancing decision-making and complex reasoning in older adults.
The UCLA School of Public Health has received a grant to establish a center focused on strengthening public health agency preparedness for natural and human-induced disasters. The new center will explore interorganizational cooperation, community-based partnerships, and environmental health emergency resilience.
A recent UCLA study found that women developing new-onset breast tenderness after starting estrogen plus progestin hormone replacement therapy are at a significantly higher risk of developing breast cancer. The research analyzed data from over 16,000 participants in the Women's Health Initiative clinical trial.
Researchers at UCLA's Jonsson Comprehensive Cancer Center found that the loss of PTEN tumor suppressor gene plays a central role in transforming benign neurofibromas into malignant and deadly sarcomas. The study could lead to new therapies targeting cell signaling pathways regulated by PTEN.
A UCLA-led study confirms Pallas, the second-largest asteroid, is a protoplanet due to its unique shape and color variation. The research reveals a dynamic surface with areas of dark and light, indicating internal changes, similar to those found on planets.