Scientists are using cyanobacteria and plant materials to identify anticancer lead compounds that may be more effective than current treatments. The goal is to develop naturally occurring substances that target key cellular targets such as the proteasome and histone deacetylase.
Researchers at the University of Florida have identified a molecular signature based on gene expression that can predict the development of acute graft-versus-host disease (GVHD) in patients receiving liver stem cell transplants. This could lead to better biomarkers for determining patient risk and improving treatment outcomes.
Researchers from KEMRI-Wellcome Trust Research Programme assess rotavirus diarrhoea in young children, finding over 2% hospital admissions. Meanwhile, PLOS Medicine article discusses evidence-based TB diagnosis, citing the importance of strong evidence backing expenditure on diagnostics.
Researchers developed mathematical models to determine effective non-pharmaceutical interventions (NPIs) for protecting vulnerable populations in nursing homes. The study found that conventional NPIs can curb mild outbreaks, but higher-level restrictions are needed for severe ones. Staff plays a critical role in controlling disease spr...
A multi-year study reveals that nutrients from the Amazon River spread beyond the continental shelf and drive carbon capture in the deep ocean. Diazotrophs, which pull nitrogen and carbon from the air, offset respiration in tropical oceans, making them a significant carbon sink.
Researchers identified a new anatomical path through which the brain and spleen communicate, enabling the immune system to respond to disease. The study suggests that stimulating the vagus nerve can suppress inflammation-producing molecules in the spleen, potentially leading to new treatments for sepsis.
Researchers at MIT have pinpointed stem cells in the spinal cord that can be persuaded to differentiate into healing cells and reduce scarring. This could lead to a new non-surgical treatment for debilitating spinal-cord injuries affecting 30,000 people worldwide.
A college biology teacher found that by addressing student misbehavior directly, he was able to improve classroom attention and engagement. The study suggests that simply being direct with students can resolve problems and encourage cooperation.
A new study published in Journal of Marital and Family Therapy found that African-American youth exhibit similar levels of externalizing and internalizing behavior once family dysfunction is accounted for. The research suggests that family issues affect children in African-American families differently than they do in white families.
Researchers used topographic analysis to identify active faults in the Sichuan earthquake, which can help refine existing maps of earthquake risk. This approach can shed light on blind and hidden faults in remote mountainous areas.
Researchers at MIT have developed an imaging system that allows them to pinpoint the number and location of mutant cells in intact tissue. The study found that over 90% of cells with mutations were within clusters, suggesting that most mutations are inherited from another cell.
Researchers at Broad Institute will explore ways to regenerate human cells lost in type 1 diabetes, using chemical biology and genomic tools. The goal is to find ways to replenish missing cells, potentially reducing or eliminating lifelong insulin therapy.
Dr. Gilbert Leveille, Wrigley Science Institute executive director, received the 2008 Nicholas Appert Award for his contributions to food science and technology. He has worked tirelessly to advance research on the benefits of chewing gum, exploring its potential to reduce stress, manage weight, improve focus, and enhance oral health.
A new study reveals that cranberry juice alters the thermodynamic properties of bacteria in the urinary tract, creating an energy barrier that prevents attachment. This effect occurs at concentrations comparable to those found in the urinary tract, suggesting regular consumption may prevent UTIs.
Ovshinsky explains that we have the means to produce hydrogen from renewable resources in a sustainable way and store it effectively. This technology enables the entire loop of hydrogen generation, storage, and use to be carried out now.
The new resource allows users to view, store, and edit biological pathway information, leveraging collective expertise to facilitate content collection and curation. WikiPathways provides a wealth of annotated information, maximizing the value of biological data and supporting future hypotheses and discoveries.
No-take marine reserves can help prevent crown-of-thorns starfish outbreaks, reducing their impact on coral cover. The frequency of outbreaks is lower in protected zones, suggesting a potential benefit of fishing bans.
A study by David Stuckler and colleagues found that International Monetary Fund loans were associated with a 16.6% rise in death rates from tuberculosis (TB) in the former Soviet Union and Central and Eastern European countries between 1992 and 2002.
A study by Duke University researchers found a possible geographical pattern for ALS cases among 1991 Gulf War veterans, with some areas of service showing an elevated risk. The research uses GIS analysis to identify potential environmental exposures that may be associated with the disease.
A study found that taking topiramate alone or with other epilepsy drugs during pregnancy increases the risk of birth defects, particularly cleft palates and genital birth defects. The study suggests monitoring pregnancies of women exposed to topiramate.
Social taboos and stigma surrounding homosexuality make it difficult to control the HIV epidemic among Pakistani men who have sex with men. Outreach programs need to target subpopulations and address specific challenges such as promoting safe sex and reducing stigma around condoms.
A new study by conservation biologists from the University of California, Berkeley found that parks with public access have significantly lower populations of native carnivores such as coyotes and bobcats. The researchers believe that human disturbance may be driving these animals away from heavily visited areas.
Researchers at Massachusetts General Hospital found that HIV can escape the immune system by exchanging genetic information with other strains, leading to more potent strains. This mechanism, known as superinfection, can cause rapid increases in viral levels and poses a challenge for vaccine design.
A study published in Archives of Facial Plastic Surgery found that carbon dioxide laser resurfacing can improve facial wrinkles over the long-term, with a 45% improvement rate. However, some patients experienced complications such as hypopigmentation and hyperpigmentation.
A 37-year experiment on Lake 227 found that controlling nitrogen levels does not correct polluted lakes and may exacerbate the issue. The study's results contradict EU practices and previous research, highlighting the severity of cultural eutrophication globally.
Physicists at Rutgers University have studied exotic chemical compounds containing neptunium and plutonium, revealing a new connection between magnetism and superconductivity. The findings suggest that these materials could lead to room-temperature superconductors.
Researchers discovered an unusual frog species that can actively select sound frequencies, tuning in to specific sounds like a radio. The 'Odorrana tormota' frog's eardrums respond differently depending on the Eustachian tubes' opening state, allowing it to filter out background noise and focus on ultrasonic calls.
Patients with gastric or pancreatic cancer treated at high-volume hospitals or comprehensive cancer centers receive more thorough lymph node evaluations. This practice is associated with better prognosis and treatment decisions for these patients.
Researchers discovered that microbes beneath the sea floor are genetically distinct and dominate life's biomass, with a unique metabolism and slow growth rate. The study found that these microbes could survive major Earth impacts and potentially be a reservoir of novel genetic material.
Researchers developed an injectable vaccine grown in genetically engineered plants to treat follicular B-cell lymphoma, a chronic and incurable disease. The plant-grown vaccines lack side effects and could allow earlier, more aggressive management of the cancer.
A study published in Biological Psychiatry found that deep brain stimulation (DBS) in the subcallosal cingulate region significantly improves symptoms of treatment-resistant depression. The procedure showed continued and sustained benefits over time, with no long-term side effects reported.
Montreal researchers have shown that insulin-producing β-cells can dedifferentiate into stem-like cells, a key finding with implications for regenerative therapies and the development of innovative treatments. The study's results validate the potential of a peptide called INGAP to induce new islet formation in the pancreas.
A study reveals a mechanism that controls cell adhesion and movement in tissues, which may be defective in diseases like cancer. The research found that the amount of adhesive protein E-Cadherin is controlled by its trafficking inside cells.
The decline of world wetlands could compound global warming, releasing billions of tonnes of carbon into the atmosphere. Wetlands store 10-20% of Earth's terrestrial carbon and slow organic material decay.
Researchers found that pregnant mice ignore alien male urine smells after day 3 of pregnancy due to dopamine surge. This chemical change helps avoid infanticide and protects fetal development.
A study by Uppsala University has identified the genetic mutation responsible for white horses' coats and found a link to an increased risk of melanoma. The dominant Greying with age mutation is shared among Grey horses, suggesting a common ancestor lived thousands of years ago.
Emory University researchers have discovered that fluoroquinolone antibiotics can enhance the effectiveness of RNA interference, a gene-silencing technique, in laboratory settings. The most powerful enhancer was enoxacin, which has been used to treat bacterial infections.
Researchers discovered 90 billion tons of microbial organisms living in the deep biosphere, with Archaea making up 87% of the biomass. The microorganisms thrive in extreme conditions, such as high pressure and low energy supply.
A team of scientists at the Salk Institute found that specialized testis niche cells in fruit flies originate from adult stem cells. This breakthrough has implications for regenerative medicine, aging research, and cancer therapeutics. The study suggests that once a fly becomes an adult, some stem cells can replace their supporting nic...
Researchers report rapid improvement in verbal fluency and aphasia following perispinal etanercept administration in a novel immune-based treatment for Alzheimer's disease. The study suggests that elevated TNF-alpha levels may interfere with neural communication, which can be reversed using this approach.
Researchers at Stanford University School of Medicine have discovered a protein called p53 that responds to disruptions in the cell's protein factories, leading to changes in skin color and causing anemia in mice. The findings may lead to new treatments for bone marrow failure in humans by modulating the levels of p53.
A new study has identified several specific white matter regions and deep gray matter areas of the brain sensitive to prenatal alcohol exposure in children with Fetal Alcohol Spectrum Disorder (FASD). Diffusion tensor imaging (DTI) was used to map brain structure, revealing widespread diffusion abnormalities beyond the corpus callosum.
Researchers found that Saharan dust storms provide essential iron minerals, enabling plants to thrive in nutrient-poor regions. This discovery sheds light on how the Atlantic Ocean supports plant growth despite being referred to as an 'ocean desert',
A new study maps brain cells in midshipman fish larvae to reveal the neural network behind sound production in vertebrates. This research sheds light on the evolutionary origins of human verbal communication and social behavior, linking it to ancient fish species.
The Economic and Social Research Council (ESRC) has awarded four large grants to researchers addressing significant social and economic challenges. The grants will support investigations into business taxation, health inequalities, time use, and emotional regulation.
New research from Michigan State University found that overweight and obese adults are not significantly less conscientious, emotionally stable, or socially agreeable than their normal-weight colleagues. Employers are urged to prevent weight-based stereotypes in hiring and employment decisions.
Researchers analyzed medication orders that were withdrawn within 45 minutes and found a 66% rate of errors. The study suggests a systematic method for identifying prescribing errors, which can be used to screen for errors and as a teaching tool.
A study found that AA attendees drink more coffee than the general population and smoke to reduce depression, anxiety, and irritability. Coffee consumption may also have health benefits, including reducing the risk of death from suicide and certain cancers.
A new study found that prenatal drinking has a significant impact on neurotrophins in rats, but environmental enrichment does not mitigate these effects. Researchers discovered that prenatal alcohol exposure generally increased brain neurotrophin levels, which may serve as a compensation for damage to the developing brain.
Researchers successfully grew functional human blood vessels in mice using adult human donor cells, creating a new model for tissue engineering. The study used a combination of two types of progenitor cells to form a small ball of healthy blood vessels, with the ability to rapidly grow two-layered vessels without embryonic stem cells.
A recent study published in Alcoholism: Clinical & Experimental Research found that loud music in bars increases drinking behavior. The research, conducted by Nicolas Guéguen and his colleagues, discovered that high sound levels led to increased drinking within a shorter time frame.
A Johns Hopkins study found that giving children preventive antibiotics within one hour of spinal surgery significantly reduces the risk of serious infections. The study, published in Pediatric Infectious Disease Journal, suggests that timely prophylaxis is crucial in preventing complications and reducing hospital stays.
Researchers at Cold Spring Harbor Laboratory have identified Top2A and Top1 enzymes as significant contributors to chemotherapy drug resistance. The team developed a novel screening technique to investigate the genetic basis of cancer therapy response, which could be applied widely to explore genetic mechanisms underlying drug resistance.
The Canadian Institutes of Health Research (CIHR) is providing $4.4 million in funding to support three research teams investigating ways to improve the application of mental health research in Canada.
The American Society for Biochemistry and Molecular Biology (ASBMB) has selected eight scientists for its annual awards competition, recognizing their contributions to science. The award winners include David Davies, John Kuriyan, Sarah Spiegel, Susan Lindquist, Douglas Rees, Phillip Zamore, Sandra Schmid, and Rochelle Schwartz-Bloom.
Researchers found iTunes can efficiently manage PDF files for radiologists, providing richer information than conventional textbooks. The study's lead author, Li Jun Qian, MD, discovered that drag-and-drop functionality allows users to easily search, rate, and organize articles.
Japanese researchers successfully observed individual molecular rotors caught in motion using a novel microscopy technique. The study focused on rotaxanes, two-part molecular systems that rotate around an axis, revealing rapid rotational and vibrational motion when wet.
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 Duke University Medical Center found that HIV-1 cripples the immune system earlier than previously believed, with significant cell death occurring within five to seven days after infection. The study suggests a new approach to vaccine design, requiring multiple arms of the immune system to be activated and targeted.
New research funded by the Economic and Social Research Council explores standards in stem cell research, balancing scientist autonomy with data comparability. The study suggests that standardizing practices could lead to automation technologies, but also raises concerns about exclusivity and robustness.