Researchers reanalyzed Stanley Miller's classic origin of life experiment to determine if chemical compounds could be detected using modern equipment. They found that a modern day version of the volcanic apparatus produces a wider variety of compounds, including 22 previously unidentified amino acids.
The Triton Resource is a 3-pronged program focusing on data analysis, storage, and scalable clusters. It will enable UC San Diego researchers to process massive amounts of data, facilitating 21st-century research and education.
A clinical trial by UC San Diego found that high-dose vitamin B supplements did not impact cognitive decline in Alzheimer's patients, despite lowering homocysteine levels. Symptoms of depression were more common in the high-dose group.
Researchers have discovered how water snails can drag themselves across a fluid surface using the slime they secrete. By distorting the soft surface, the snail creates waves in the mucus layer that generate propulsive forces and move.
Researchers analyzed dense colonies of Escherichia coli bacteria to understand biomechanical ordering. They found a dynamic change from disorder to alignment and developed a model of collective cell dynamics.
A study found that oral vitamin D supplements increased cathelicidin production in the skin of patients with atopic dermatitis, a common form of eczema. This increase helped to correct a defect in the immune system and reduce the risk of skin infections.
The Temporal Dynamics of Learning Center has received a $12 million NSF award to expand its research on the role of time and timing in learning. The center's unique collaboration with teachers and researchers aims to develop innovative programs that apply laboratory findings to the classroom.
Researchers have directly measured a nascent galaxy's magnetic field, finding it is at least 10 times stronger than the average value in the Milky Way. This unexpected result presents a challenge to the leading theory of magnetic field generation and suggests that magnetic fields may play a key role in the evolution of galaxies.
Recent study findings suggest expanding thrombolysis window to up to 4.5 hours after acute ischemic stroke may lead to worsening outcomes due to irreversible tissue damage. The UCSD Stroke Center emphasizes the importance of timely treatment, highlighting the critical need for door-to-needle time during a stroke.
Two UC San Diego faculty members, Karen Christman and Seth J. Field, received $1.5 million grants from the NIH to support their cutting-edge research in tissue engineering and lipid signaling molecules. Their projects aim to improve human health through regenerative medicine approaches.
UC San Diego assistant bioengineering professor Karen Christman receives a $1.5 million NIH grant to further her research on developing novel multi-layer patterning technique for cell and tissue development. The goal is to control cell fate and generate differentiated cell sources, with potential applications in regenerative medicine.
A binational team of researchers found that brief but personalized behavioral counseling significantly reduced rates and improved condom use among female sex workers. The study showed a 40% decline in new STIs, including HIV, syphilis, gonorrhea, and Chlamydia.
Researchers identified genes controlling rhythmic plant growth, enabling bursts of growth at night and increasing competitiveness in shaded environments. These findings could lead to designing crops that grow faster and produce more food than current varieties.
Scientists have developed nanometer-sized cargo ships that can evade the body's immune system, ferrying anti-cancer drugs and markers into tumors. The nano-cargo-ship system integrates therapeutic and diagnostic functions in a single device, allowing for targeted delivery of toxic anti-cancer drugs to tumors in high concentrations.
Researchers from UC San Diego and Lawrence Berkeley National Laboratory have eliminated one model explaining the unusual oxygen isotope mix found in a stony meteorite. The team found that molecular symmetry, rather than photoshielding, is responsible for the anomaly, which challenges our understanding of solar system formation.
Researchers have discovered unique hybrid protein complexes that form when Abeta amyloid and a-synuclein interact, altering neuronal activity. This study provides a model for developing new drugs to treat these devastating neurological diseases.
Researchers used an instrument to track daily patterns in the chemical makeup of Mexico City's smog, identifying aerosols from industrial emissions, fires, and charcoal use. The study provides insights into the sources of persistent pollutants, informing policies to improve air quality.
A UC San Diego scientist presents the first unified vision of 'the building blocks of life', revealing that only 68 molecules construct four fundamental cell components: nucleic acids, proteins, glycans, and lipids. This framework may hold the key to unlocking the origins of many serious diseases.
A study has identified the first gene associated with severe dry macular degeneration, a condition that can lead to blindness. The researchers found that individuals with a specific genetic variant may be at risk if treated with an experimental therapy called RNA interference.
Researchers found that a specific PMS2 protein variant can render cancer cells resistant to cisplatin, a common chemotherapy drug. The study suggests personalized therapies may be developed for patients carrying this variant.
Researchers from UC San Diego and the University of Arizona conducted three months of rigorous earthquake simulation tests on a half-scale three-story structure, producing powerful jolts up to magnitude 8.0. The project aims to develop better designs for precast concrete buildings and improve their connections to resist earthquakes.
Researchers at UC San Diego have proposed a new topology for Ethernet data center connectivity, enabling scalable interconnection bandwidth and reducing costs. The approach requires no modifications to end-host network interface, operating system, or applications, and is fully backward compatible with Ethernet, IP, and TCP.
Researchers at UC San Diego found that ship smoke can be a significant contributor to poor air quality in coastal cities, particularly in California. The study reveals that high-sulfur fuel emissions from ships burning bunker oil can produce primary sulfate particles, which are especially fine and harmful to human health.
Researchers developed an algorithm called XL that significantly reduces network routing updates, making it possible to support larger networks and improve efficiency for low-power devices with slow links. The algorithm uses three rules to determine which updates are important and can be suppressed.
Computer scientists develop algorithm to accurately capture hairstyle shape and appearance using multiple cameras and light sources. The method enables photo-realistic images of hairstyles from any angle, creating realistic highlights and animations.
Researchers at the University of California, San Diego, have discovered that flesh-eating bacteria can survive and spread in the body by degrading a key immune defense molecule. By inactivating this molecule, white blood cells become slower and weaker, allowing infections to spread out of control.
Researchers from UC San Diego have developed a new method to generate high-quality textures for 3D video games using noise, resulting in reduced memory usage and improved image quality. The approach eliminates traditional methods of hand-painting images, offering a cost-effective solution for game developers.
A new study reveals that p53 regulates cells by inhibiting the mTOR pathway, which regulates cell growth. The discovery of Sestrin1 and Sestrin2 as key players in this process may lead to novel cancer preventives and therapeutics.
Researchers at the University of California, San Diego School of Medicine conducted a double-blind clinical trial to assess the impact of smoked medical cannabis on neuropathic pain in HIV patients. The study showed that reported pain relief was greater with cannabis than with a placebo.
Researchers discovered that the hippocampus and entorhinal cortex are not essential for path integration, a key aspect of spatial cognition. The study used memory-impaired patients to test this theory, finding they performed similarly to controls when tracking their start location within short-term memory.
A study by UC San Diego researchers found that telemedicine leads to better treatment decisions for stroke patients compared to telephone consultations. The STRokE DOC technology enabled doctors to make correct decisions over 98% of the time, resulting in improved patient outcomes.
Researchers found that fruit flies can dampen their response to intense smells to prevent overload, using a feedback mechanism to navigate the olfactory landscape. This adaptation allows flies to detect subtle changes in odor concentrations and track pheromones, enabling them to find mates.
UC San Diego bioengineers identified a previously unknown mechanism allowing yeast to shut down galactose metabolism when glucose is present. This discovery provides new insights into gene regulation and could lead to understanding of human metabolic diseases like diabetes.
A bi-national study found that male injection drug users deported from the US to Tijuana have a four-fold higher risk of HIV infection. The study suggests a need for cross-border prevention and treatment programs.
A US study finds a 3,196% increase in fatal domestic medication errors involving alcohol and/or street drugs, linked to the shift from clinical to domestic settings. The study highlights the need for increased research on medication errors, particularly in middle-aged patients and domestic settings.
Congenital Tufting Enteropathy (CTE) is a rare, congenital disorder affecting infants, causing severe diarrhea and growth failure. Researchers identified the Epithelial Cell Adhesion Molecule gene as the cause of CTE.
The UCSD Socrates Fellows Program pairs high school science teachers with PhD students in active research labs, enhancing both teacher's and student's learning experiences. The project aims to boost teamwork, problem-solving skills, and broaden professional outlook among graduate students.
Researchers at UC San Diego are using statistical pattern recognition and image processing to help the U.S. military better detect hidden roadside explosives. They aim to identify suspicious objects like camouflaged bombs using visible and infrared images analyzed by algorithms.
Researchers at UC San Diego School of Medicine have uncovered a new signaling mechanism used to activate protein kinases involved in the body's inflammatory response. Smac mimic compounds may serve as prototypes for new anti-inflammatory therapy, potentially offering an alternative to expensive current treatments.
A University of California, San Diego researcher has created a novel culture system that models HCV infection in human liver cells, providing a realistic environment to test new treatments. This breakthrough enables the screening of possible therapies for HCV, which affects approximately 170 million people worldwide.
Biologists found that wasps warm up when finding protein-rich meat and bumble bees do the same with pollen, suggesting an ancestral behavior. Both insects' elevated body heat may be a signal to other bees that has acquired meaning beyond its original physiological function.
Researchers at UC San Diego have developed laser-produced light sources for next generation Extreme Ultraviolet Lithography (EUVL), which could make the process more efficient, simpler, and cheaper. This breakthrough may lead to advancements in flash memory chips, enabling denser and faster storage.
A study found that higher levels of liver protein fetuin-A are associated with an increased risk of developing type 2 diabetes in older adults. The researchers measured fetuin-A levels in 519 diabetes-free individuals aged 70-79 years and found a significant association between fetuin-A and the development of diabetes.
Researchers at UC San Diego develop a nanoscale drug delivery system targeting integrin ανβ3 protein on tumor blood vessels, reducing collateral damage. The approach shows promise in treating metastatic disease with lower chemotherapy doses.
Researchers isolated over two dozen novel compounds that could serve as backup anti-viral drugs against avian flu. These compounds showed potentially stronger or equal inhibition than current remedies, including Tamiflu and Relenza.
A team of undergraduate students from UC San Diego has developed a new area of bioinformatics called comparative proteogenomics, which analyzes multiple genomes and proteomes simultaneously. This approach improves genomic and proteomic annotations, unlocking biological mysteries and addressing difficult problems in the field.
Research by James H. Fowler and colleagues shows that genes influence voter turnout and a range of political activities, with identical twins exhibiting significantly more similar voting behavior than fraternal twins. The findings also suggest that family upbringing has little effect on children's future participatory behavior.
A study found that enhanced proteolytic activity in the circulation may be the root cause of diverse metabolic problems. The researchers showed that a drug developed for unrelated purposes was effective in counteracting this mechanism, reversing symptoms of high blood pressure, insulin resistance and immune suppression.
Jacob Whitehill, a UC San Diego Ph.D. student, has developed a proof-of-concept system that uses facial expression recognition to control video playback speed in real-time, allowing robots to adapt to individual learning needs.
Researchers at UC San Diego used electron microscopy and computer reconstruction to visualize the protein envelope of an asymmetrical virus and its packed DNA. The study reveals a 'toroid' shape in the neck of the virus, where the DNA twists tightly into a coil that keeps it securely inside.