A new blood-based test has been developed to diagnose autism in young males as early as one to two years old, outperforming existing behavioral and genetic screens. The test uses genomic biomarkers that differentiate ASD toddlers from typically developing children with high accuracy.
Researchers discovered a type of neuron in the olfactory cortex that serves as a tuner and volume control for various neuronal inputs, increasing signal-to-noise ratio and improving odor discrimination. This discovery has implications for understanding epilepsy, which often affects the olfactory cortex.
A study published in Cell Reports identified RBFox2 as a critical protein in the progression from weakened heart muscle to heart failure. The researchers found that reduced RBFox2 expression coincides with weakening of the heart muscle, suggesting a causal role in heart failure.
Researchers developed bio-inks that react with chemicals, allowing the creation of reusable glucose sensors on skin and leaves. The pens can also detect pollutants and hazardous materials, enabling potential applications in healthcare, environmental monitoring, and security. Future steps include connecting sensors wirelessly to monitor...
A new forecasting method, empirical dynamic modeling (EDM), has improved predictions for Fraser River sockeye salmon in British Columbia. The EDM technique uses archives of field data to drive predictions, outperforming traditional management forecast tools with a smaller error margin.
Scientists found a receptor protein called gp130 that activates signaling pathways stimulating stem cell proliferation and survival, leading to healing and repair. This discovery has implications for developing new treatments for colorectal cancer and inflammatory bowel disease.
Researchers at UC San Diego School of Medicine found that culture conditions and passage methods affect genetic stability in human stem cells. The study highlights the need for quality control to ensure the safety of transplanted stem cells.
A study published in the Journal of Clinical Investigation reveals a small loop in the human prion protein confers resistance to chronic wasting disease. The discovery provides a potential therapeutic target for developing new treatments for prion diseases, which are currently fatal and have no effective treatment.
Researchers at UC San Diego found that LTB4 promotes insulin resistance in obese mice, but blocking the LTB4 receptor improves insulin sensitivity. Genetic deletion or drug inhibition of the receptor prevents and reverses type 2 diabetes in this model.
Scientists at UC San Diego School of Medicine discovered that autism mutations are connected to a pathway regulating brain development. The study found that specific genes were expressed in different developmental periods, influencing brain growth and behavior.
Scientists at University of California - San Diego School of Medicine developed a malaria parasite protein produced by algae, generating antibodies in mice that nearly eliminated mosquito infection. The method uses an affordable and environmentally friendly approach to prevent malaria transmission from host to mosquito.
Recent studies by UC San Diego researchers have uncovered widespread differences in gene regulation between chromosome pairs, influenced by inherited sequence variations. Chromosome folding structures, known as topologically associating domains (TADs), were also found to play a crucial role in gene expression and epigenome organization.
Researchers at Scripps Institution of Oceanography have discovered a new species of seadragon, the 'Ruby Seadragon,' through DNA and anatomical research. The species, Phyllopteryx dewysea, has bright red coloration and is believed to inhabit deeper waters.
Researchers identified the microtubule-associated protein tau (MAPT) gene as a key player in Alzheimer's disease. Carriers of the deleterious MAPT allele are at increased risk for developing AD and experience accelerated brain atrophy.
Researchers at UC San Diego identified a pyramid hierarchical network of coherent gene modules that regulate glioblastoma genes, involved in highly aggressive brain cancer. This finding informs a strategy to elucidate these modules and identify new drug therapies.
Researchers identified structural features and cell types in the retina that may act as key factors in glaucoma progression. Within seven days of elevated eye pressure, some retinal ganglion cells underwent significant rearrangements, such as reductions in number and length of dendritic branches.
The Lab-in-a-Box system tracks a doctor's behavior during consultations with patients, analyzing their interactions with electronic medical records. The goal is to provide insights on how to run medical practices more efficiently, while minimizing distractions from screen time.
Researchers at UC San Diego have developed an MRI-based technique to detect and evaluate nonalcoholic fatty liver disease (NAFLD) in children. The new method estimates liver fat content using a standardized biomarker, PDFF, which correlates well with standard liver biopsy analysis.
HIV-associated neurocognitive disorders affect 10-50% of aging patients, causing cognitive impairment and daily challenges. Researchers found that the tat protein disrupts autophagy, a critical disposal process, in neurons.
UC San Diego researchers use social network analysis to combine Google Flu Trends' 'big data' with CDC data, improving predictions. The study refines Google's predictions by weighting them with a social network derived from CDC reports on laboratory-tested cases of flu.
Researchers have successfully powered micromotors with stomach acid in a living animal, demonstrating their potential for targeted drug delivery and diagnosis of hard-to-reach tumors. The motors achieved remarkable penetration and retention rates, outperforming traditional oral delivery methods.
Phospholipase A2 (PLA2) enzymes play a role in inflammatory diseases. Researchers created 3D models that show how PLA2 enzymes extract substrates from cell membranes, triggering inflammation. These models could help design and develop specific PLA2 inhibitor drugs.
The study reveals that one chemokine binds to just one receptor in the CXCR4-chemokine complex and that the contacts between the receptor and its binding partner are more extensive than previously thought. This new information could aid the development of better small molecular inhibitors of CXCR4-chemokine interactions.
Scientists at UC San Diego School of Medicine discovered that enzymes believed to promote cancer actually suppress tumors. Correcting a loss-of-function PKC mutation in colon cancer cells reduced tumor growth in mouse models, demonstrating normal PKC activity inhibits cancer.
Researchers at UCSD have identified a specific region of the alpha-synuclein protein where mutations can lead to the creation of ring oligomers, causing cell death. This discovery could lead to the development of compounds that target this region to prevent or treat Parkinson's disease.
Researchers have discovered a novel signaling pathway critical to the immune response of cells associated with allergic asthma. Increasing cAMP levels inhibited the cells' inflammatory response, suggesting a potential target for new therapies.
Scientists will gather data on atmospheric rivers, which produce up to 50% of California's precipitation, and explore how to predict when and where they will hit land. The study aims to improve climate models and inform water management decisions during droughts and floods.
Researchers used a century-old drug, suramin, to reverse environmental and genetic autism-like symptoms in mice. The approach blocked the cellular danger response signal, allowing cells to restore normal communication and reversing ASD symptoms.
A temporary tattoo has been developed to extract and measure glucose levels in the fluid between skin cells, offering a promising step forward in noninvasive glucose testing. The device, which uses a flexible sensor, can detect glucose spikes after meals with high accuracy.
A novel imaging technique called restriction spectrum imaging-MRI (RSI-MRI) has been developed to improve the accuracy of prostate cancer detection. RSI-MRI corrects for magnetic field distortions and focuses on water diffusion within tumor cells, providing a more refined sense of the tumor's extent.
Fat cells in the skin produce antimicrobial peptides that help protect against bacterial infections, contradicting previous assumptions about the immune response. The study's findings suggest that these peptides can provide a crucial first line of defense against infection.
Researchers at the University of California, San Diego School of Medicine have found that feeding mice Neu5Gc promotes spontaneous cancers and systemic inflammation. The study suggests a potential link between red meat consumption and cancer risk, and may also explain connections to other diseases exacerbated by chronic inflammation.
A novel study has provided an answer to the long-standing question of how cells control their size and maintain stable distributions. Researchers found that cells follow a simple quantitative principle, adding constant size irrespective of birth size, to ensure stability of size distributions.
A new study of the ALH84001 Martian meteorite provides valuable insights into Mars' early climate and potential habitability. The analysis suggests that smaller seas existed on Mars billions of years ago, rather than vast oceans.
A team of researchers at the University of California, San Diego, has developed a silicon chip that can emit and control quantum light at room temperature. The device uses Spontaneous Optical Nonlinear Mixing to generate entangled photon pairs, which can be tuned over a wide range of Schmidt numbers for specific quantum optic properties.
A new study reveals that experienced decision-makers care even more about fairness than the general population. The more experience they have, the more they seek equitable offers. This finding challenges existing theories on international politics and may help explain gridlock in climate change negotiations.
Researchers found a way for cells to encode information about incoming chemical signals, given their variable states. By analyzing responses over time, they eliminated the 'noise' of cellular variability and accurately recorded signal levels.
A new study led by researchers at University of California, San Diego School of Medicine found that obese children's brains show enhanced responses to sugar. The study suggests that this 'food reward' response may predispose them to crave more sugar throughout life.
Researchers have found a new species of Osedax bone worms with females containing harems of tiny dwarf males. The largest male is tens of thousands times larger than its relatives and has evolved to consume bones on its own.
Researchers at UC San Diego have developed a more efficient method to trap light by harnessing bound states in the continuum. This innovation addresses the major challenge of trapping and utilizing light for optical computing circuits.
Researchers revised a mathematical description of particle interactions, considering two forces unified under extreme conditions like the Large Hadron Collider. They simplified one description of elementary particles' behavior, predicting specific events that future experiments should observe.
Researchers found that humans are susceptible to typhoid fever due to the absence of enzyme CMAH, which reconfigures sugar molecules on cell surfaces. This discovery has implications for developing new therapies for typhoid fever.
Researchers developed LipoLLA, a therapeutic nanoparticle containing linolenic acid that effectively kills Helicobacter pylori bacteria in mice. The treatment also reduced inflammation and was non-toxic, making it a promising alternative to standard antibiotics.
Researchers at the University of California, San Diego, used single-cell RNA sequencing to analyze gene expression in mouse embryos and found that a handful of genes are signaling to each other at the two-cell and four-cell stage. This discovery could provide insight into early miscarriages and birth defects.
A recent study found that obese children with nonalcoholic fatty liver disease (NAFLD) are at a substantial risk for high blood pressure, which can lead to premature cardiovascular disease. The study recommends that blood pressure evaluation and control should be included in the clinical management of children with NAFLD.
UC San Diego professors Steven Cande, Trey Ideker, and Mark D. Ohman have been recognized as AAAS Fellows for their outstanding work in marine geology, bioinformatics, and marine plankton research. Their contributions have improved our understanding of plate tectonic processes, cancer genetics, and climate variability in ocean ecosystems.
People with moderate to severe sleep apnea have a reduced aerobic fitness, even compared to those of similar body mass indices. The study found that sleep apnea patients had a lower peak oxygen uptake during aerobic activity than controls.
Researchers discovered that WNT signaling molecules are crucial for cellular reprogramming, a process similar to regenerative processes in organisms. This finding has significant implications for stem cell-based regenerative medicine, wound repair therapies and potential cancer treatments.
Researchers have discovered that a significant number of mouse genes do not behave like their human counterparts, suggesting that science will need to rethink the role of the lab mouse. The findings come from the ongoing mouse ENCODE project and indicate that similar genes in humans and mice are expressed in different ways.
Researchers at University of California, San Diego School of Medicine found that triclosan causes liver fibrosis and cancer in laboratory mice through molecular mechanisms relevant in humans. Long-term exposure to the chemical may lead to liver toxicity, particularly when combined with other compounds.