Researchers at NIST and NCI have developed a technique that slices off the top of a cell, making structures accessible for spectroscopic examination. This allows for chemical mapping of cells at submicrometer resolution, potentially enabling early detection of cancer.
Research suggests ibuprofen may protect against Parkinson's disease by targeting a specific receptor in the brain. Taking ibuprofen regularly reduced the risk of developing the disease by 38%, according to the study published in Neurology.
A protein complex called MSL amplifies the X chromosome in males, allowing enzymes to express genes more freely. This process helps correct the genetic imbalance between X and Y chromosomes in males.
Two new species of cladocerous crustaceans, Leydigia iberica and Leydigia korovchinskyi, have been discovered in the Iberian Peninsula. These ancient arthropods, dating back to the Permian period, are considered powerful bio-geographic indicators.
Researchers found that algal secretions can increase ice salinity and create channels in ice, allowing algae to live and grow. This adaptation may help sea-ice algae thrive in a warmer climate.
Researchers have discovered that adding one or two drugs to the standard ZDV treatment can significantly reduce the risk of HIV transmission from mother to infant. The study found that treatment with two and three drug regimens reduced HIV transmission by more than 50%.
UCLA researchers found a correlation between nicotine addiction and decreased prefrontal cortex activity in adolescent smokers. The study suggests that smoking can affect brain function, particularly during adolescence when the prefrontal cortex is still developing.
Scientists have found fluoride forms a protective shield on teeth that is only 6 nanometers thick, sparking doubts about its ability to fight cavities.
Researchers propose collaborative clinical trials to revitalize the US research engine, cutting time and costs while increasing approved treatments. The approach involves companies sharing costs to test new therapies or devices, promising safer and more effective treatments sooner.
Scientists from Thomas Jefferson University have discovered that the protein FADD controls multiple cell death pathways, which could lead to better treatment options for autoimmune diseases and cancer. The study found that FADD regulates apoptosis and keeps necrosis at bay, allowing researchers to develop more targeted drugs with fewer...
Researchers have discovered two classes of peptaibols with potential therapeutic value, including antibiotics and growth promoters. The fungus Trichoderma virens produces diverse compounds that can be tested for various applications.
Men taking non-steroidal anti-inflammatory drugs (NSAIDs) three times a day are 2.4 times more likely to develop erectile dysfunction compared to non-users, according to a Kaiser Permanente study. Regular NSAID use is associated with a modest risk of ED, consistent across all age groups.
The Ohio Supercomputer Center is receiving $2 million from a federal grant to support small- and medium-sized manufacturers in adopting advanced manufacturing technologies. The initiative aims to promote job retention, supply-chain growth, and new exports by providing access to modeling, simulation, and analysis tools.
Scientists have identified a potential target to treat an aggressive type of prostate cancer, known as SPINK1. A 'blocking' antibody to SPINK1 reduced tumor growth by up to 74% in mice. The study suggests that targeting SPINK1 may be effective in treating SPINK1-positive tumors.
A study published in New Journal of Physics analyzed the pattern of populations speaking Castilian and Galician languages in Spain. The researchers found that levels of bilingualism can lead to the steady co-existence of two languages in a stable population.
Two studies published in Lithosphere suggest the existence of a pre-3.3 billion year old continent in the East Indian Shield, implying a possible original supercontinent. Additionally, measurements of SKS splitting in South America indicate that asthenospheric flow plays a significant role in shaping the upper mantle's anisotropy.
A Johns Hopkins Medicine study found that human endogenous retrovirus K (HERV-K) may be responsible for some cases of ALS, a neurodegenerative disease. Researchers identified HERV-K mRNA transcripts in the brains of ALS patients and found that they were present in areas surrounding the motor cortex.
Women who experience depression and anxiety after a miscarriage may continue to feel these symptoms after a healthy child is born. The Avon Longitudinal Study of Parents and Children found that mental health problems associated with miscarriage or stillbirth do not end with the birth of a healthy baby, but can persist for several years.
Scientists design artificial protocells with bait proteins that mimic henipavirus receptors, successfully entraping and deactivating experimental analogs of Nipah and Hendra viruses. This innovative technique could lead to the development of new antiviral drugs by exploiting the virus's basic infection mechanism.
Researchers identified a dominant Indo-European mutation in Spain and its spread to America, linked to high prevalence on La Palma and Brazil. The study mapped over 130 pathogenic mutations, revealing the mutation's impact on DNA repair pathways and cancer risk.
A new national study found a significant increase in boxing injuries, including head and neck injuries, among participants 6 years of age and older. The study also revealed that concussions among younger boxers are a growing concern due to potential long-term neurological implications.
A study finds that widespread discharge of inefficiently treated wastewater into rivers could occur if existing plans for antiviral and antibiotic use are implemented during a pandemic. This could lead to water quality deterioration at drinking water abstraction points, potentially causing eutrophication and environmental toxicity.
A team from Montana State University solved the mystery of missing sunspots from 2008 to 2010, which coincided with unusually weak magnetic fields at the sun's poles. The discovery allows for the prediction of space weather, influencing technology in space and on Earth.
Researchers at Alfred Wegener Institute expand prevailing theory on climate history by showing local climate changes in southern hemisphere can trigger temperature fluctuations in Antarctica. The study, published in Nature, suggests alternative explanation for historical Earth climate data from Antarctica.
A study of 40,000 UK households reveals that children living in households with the bottom fifth income have similar average life satisfaction scores as those in the top fifth. Family relationships, particularly mother-child relationships, play a significant role in determining young people's happiness.
The University of Washington is developing design tools and using commercial nanofabrication tools to create inexpensive next-generation silicon-based electro-optical chips. The Air Force Office of Scientific Research is funding this effort to improve data communications, lasers, and detectors.
A University of Louisville professor is developing a statistical model that can help determine what prolongs cancer-free survival. The new multi-state model analyzes how diseases progress from one stage to another, allowing for broad inspection of patient patterns and data collection.
Researchers found significant improvements in lesion detection with whole-body TOF FDG PET scans, particularly in larger patients and shorter studies. TOF scans yielded better image signal-to-noise due to travel time consideration, reducing scanning time and patient motion.
Researchers estimate that if currently threatened species go extinct, the sixth mass extinction could arrive within 3 to 22 centuries. However, they also believe it's not too late to save critically endangered mammals and other species through conservation efforts.
By analyzing CD8+ T cells from healthy blood donors, researchers created a statistical model that accurately predicts the age and quality of T cells. This allows clinicians to transfer only young functional cells back into patients' bodies, potentially improving therapeutic outcomes for various cancers.
Researchers at St. Jude Children's Research Hospital have identified a protein called FLIP as playing a pivotal role in controlling programmed cell death pathways, offering new potential targets in the fight against cancer and virus-infected cells.
Researchers at Tel Aviv University discovered that curcumin amplifies the therapeutic activity of anti-inflammatory drugs used to treat colon cancer. This combination has already shown promising results in human clinical trials and may alleviate unwanted side effects.
New research in hair dyeing aims to create longer-lasting, more-natural-looking colors using nano-sized colorants. Gene therapy is also being developed to reverse gray hair, offering new prospects for a younger appearance.
A new study has found that macrophages have a seven-cell uptake threshold, governing the healing process. The researchers also discovered substances informing cells on tissue repair rates and accelerating macrophage transition to immune organs.
A study published in Nature warns that Earth is on the brink of a mass extinction like those that have occurred five times during the past 540 million years. The study finds cause for hope and alarm, with critically endangered mammals facing an even greater risk of extinction within three generations.
Researchers at Scripps Institution of Oceanography found phytoplankton bloom timing has progressed up to 50 days earlier in the Arctic Ocean, with unknown impacts on the food chain. The shift may have consequences for the entire ecosystem and global carbon cycle.
Researchers found a significant association between IL28B genotypes and interferon-based antiviral treatment outcomes, as well as graft inflammation caused by hepatitis C virus (HCV). The presence of G-allele serves as a marker for severe HCV-induced graft inflammation and predictor of unsuccessful treatment.
Physicists at JQI successfully demonstrated spin-orbit coupling in a gas of bosonic rubidium atoms, opening new possibilities for studying fundamental physics. The technique also showed promise for creating novel interactions between fermions, which could lead to breakthroughs in topological quantum computation and superconductivity.
A new mouse model closely resembles the human body's reaction to early HIV infection, showing inflammatory responses, changes in brain cells, and neuronal loss. The study is a breakthrough in understanding how HIV affects brain functioning in its initial stages.
Researchers discovered protein-coding point mutations in all 22 hiPSC lines, with an estimated six mutations per exome. The findings suggest that genetic screening of hiPSCs before clinical use is crucial to ensure their safety and accuracy.
A recent study discovered a blood protein linked to lung adenocarcinoma, which could serve as a diagnostic marker for the disease. Elevated levels of serum amyloid A (SAA) were found in patients with lung cancer, making it a promising target for developing drugs that stop cancer spread.
A study of 23 longitudinal studies found that light-to-moderate alcohol consumption was associated with lower incidence rates of overall dementia and Alzheimer's disease. However, the impact on vascular dementia and cognitive decline is unclear.
A study by D. Keith Denton highlights the importance of creating an atmosphere of trust in the workplace to improve communication and reduce dissatisfaction. Face-to-face communication is found to be more effective than other channels, allowing for true dialogue to occur.
A recent study of 45-million-year-old pollen from Pine Island has led to a revised understanding of Florida's geologic history. The discovery of land-based pollen indicates that Florida may have been inhabited by land animals around 10-15 million years ago, contradicting previous theories.
Four new species of fungus have been discovered in the Brazilian rainforest, infecting ants and manipulating their behavior to secure prime locations for spore dispersal. The study sheds light on the complex interactions between parasites and fragmented habitats, providing tools for further research into disease dynamics.
Fire, cattle, and prairie dogs play a crucial role in maintaining the diversity of vegetation on the western Great Plains. This mosaic of diverse vegetation supports various wildlife species, including declining populations of grassland birds and ground-nesting birds.
Researchers assess clinical info systems, PHRs, and EHRs to understand their influence on patient care. Studies reveal concerns about privacy are not a barrier to PHR use, while clinicians spend significant time on EHR documentation.
Researchers found genetic rearrangements and 'copy number variations' associated with reprogramming adult cells to induced pluripotent stem cells. The study highlights the need for rigorous characterization of generated iPS lines to ensure genomic integrity.
A study published in The Lancet found that eribulin monotherapy extends the lives of breast cancer patients with extensive treatment by a median 2.5 months compared to physician's choice treatment. The drug targets microtubules, leading to cell death and improved survival rates.
A literature review finds lab tests and imaging have limited value in diagnosing JIA due to false positives; a full physical exam and patient history are crucial for accurate diagnosis
Researchers at Penn have created high-quality graphene that covers over 95% of its surface area using readily available materials and manufacturing processes. The production process can be scaled up to industrial levels, reducing costs and increasing flexibility.
The iPrEx study found daily oral Truvada effective in preventing HIV infection in gay and bisexual men and transgender women. Researchers also discovered small but significant decreases in bone mineral density among those taking Truvada compared to a placebo.
A new Harvard School of Public Health study found that adults who regularly take ibuprofen have a lower risk of developing Parkinson's disease. The researchers analyzed data from nearly 99,000 women and 37,000 men, finding that ibuprofen use was associated with a 38% reduced risk of Parkinson's disease.
Computer simulations suggest that changes in plasma flow within the Sun, which resembles ocean currents, contribute to prolonged solar minima. The team discovered that a faster flow during the first half of the solar cycle can lead to an extended period without sunspots and weak polar magnetic fields.
Research by physicists and ecologists found that overcast skies are up to three times brighter than clear nights, amplifying ecological light pollution in urban ecosystems. The study highlights the need to consider cloud cover when assessing biological impact of light pollution.
Researchers found lower potassium levels associated with higher diabetes risk in African-Americans, who are twice as likely to develop type 2 diabetes. Increasing potassium levels through diet or supplements could potentially prevent the most common form of diabetes.
Researchers created a new class of plant growth regulators that block auxin transport, controlling growth processes without hormonal activity or toxicity concerns. The inhibitors are expected to reduce environmental impact and safety risks associated with current growth regulators.
Dr. A.K. Ganguly, a renowned pharmaceutical researcher, received the Topliss Award Lecture at the University of Michigan for his lifetime contributions to medicinal chemistry. His lecture discussed lessons learned in drug discovery, highlighting approaches taken at Schering-Plough and ongoing work at Stevens.
Researchers at the University of Pennsylvania School of Medicine found that protein p53 controls glucose metabolism, enabling cells to grow uncontrollably in tumors. This discovery may lead to new cancer therapeutics by targeting an inefficient metabolic pathway.
Researchers at Hebrew University identified a previously uncharacterized type of bacterial communication mediated by nanotubes that bridge neighboring cells. This mechanism enables bacteria to exchange small molecules, proteins, and even small genetic elements, facilitating the acquisition of new features such as antibiotic resistance.
Researchers at MIT propose an experiment using a large number of photons and beam splitters to calculate complex distributions. The challenge lies in simulating the sampling process, which is currently computationally intractable.
Researchers at York University have identified a key role for microRNA 376c in allowing ovarian cancer cells to thrive despite chemotherapy. By targeting the receptor ALK7, this microRNA enables cancer cells to survive and resist cell death.
Researchers at the University of Illinois have developed a model for interacting electrons in unconventional superconductors by mimicking the behavior of charged black holes. This work resolves the Mott problem, which has puzzled physicists for decades, and sheds light on the origin of superconductivity in copper oxide materials.
Caspase 8, long viewed as an executioner of cellular suicide, has a surprising dual function: initiating apoptosis and restraining an independent programmed death pathway. The enzyme's absence can be compensated by RIP3, allowing mice to develop normally and potentially offering new therapeutic avenues for diseases.
A study by Richard Eibach and Steven Mock found that parents who focus on the financial costs of parenthood tend to idealize parenting more, while those considering both costs and benefits report lower enjoyment in other activities. The researchers suggest this myth is a modern psychological phenomenon linked to changing societal values.
Scientists have developed an instrument that tracks protein conformation and translocation with nanoscale precision. This breakthrough enables researchers to study proteins that regulate DNA replication and transcription, revealing new insights into their mechanisms.
A study published in the Journal of Consumer Affairs found that rural Appalachian women are more likely to perform breast health self-examinations and seek medical attention when their caregiving responsibilities are recognized. The research suggests that appealing to their strength as caretakers encourages them to take care of themsel...
Researchers found that flood-tolerant rice plants with the Sub1A gene not only survive flooding but also recover well from drought, growing new shoots. This breakthrough could greatly benefit rice growers and consumers globally.
A UCLA study found that body language is more likely to be judged as masculine when it conveys anger and as feminine when it conveys sadness during baseball tosses. Researchers used technology to disguise the actors' sex and presented videos to observers, who made judgments about their emotions and gender.
A study by North Carolina State University found that superficial similarities between training participants and helper agents enhance performance. Participants reported better engagement and focus when the helper's communication style matched their own, leading to improved learning outcomes.
A €2.6 million research program is training Malawian clinical officers to improve prenatal care and reduce childbirth mortality rates. The goal is to educate 50 clinical officers, who will then teach others, and ultimately assess the impact on mortality rates.
Researchers found that C. elegans worms gain resistance to one microbe at the cost of becoming more vulnerable to another, highlighting a see-saw balance between immunity to different diseases across the animal kingdom.
Researchers found that apple polyphenols prolonged lifespan and preserved physical function in fruit flies, supporting previous studies on antioxidant benefits of apples.
Researchers at the University of Pennsylvania identified the neurological and cellular signaling mechanisms that contribute to satiety and body-weight loss. They found that GLP-1 drugs target the nucleus tractus solitarius, which regulates food intake suppression.
A study published in PLoS Medicine found that intensive adherence counseling significantly reduces poor adherence and virologic treatment failure in patients with HIV. Patients receiving counseling were 29% less likely to experience poor adherence, and those receiving early counseling had a 59% lower risk of viral failure.
Researchers have discovered that specific human astrocytes derived from stem cells can repair damaged nervous systems and promote locomotor function in spinal cord injured rats. The study reveals the importance of creating beneficial cell types through tissue culture before transplantation, providing a potential new avenue for treating...
A recent study published in JNCI found that shift work may be associated with a reduced risk of skin cancer in women. The researchers analyzed data from the Nurses' Health Study and discovered that rotating night shifts were linked to a lower risk of skin cancer, particularly melanoma. Darker-haired women had the lowest risk.
A 6-month daily dose of the antiretroviral drug nevirapine significantly reduced HIV transmission through breast milk to infants of HIV-infected mothers. The extended regimen achieved a 54% reduction in HIV transmission risk compared to six-week treatment, while preserving health benefits of extended breastfeeding.