Scientists discover that when one cell dies due to DNA damage, its neighbors are alerted and become harder to kill. This finding challenges previous views on apoptosis and could have implications for cancer therapy.
A new study by Nationwide Children's Hospital researchers has identified a potential culprit in the death of motor neurons in Lou Gehrig's disease. Inhibiting nuclear factor-kappa B (NF-ƘB) in microglia slowed disease progression by 47 percent, suggesting a new target for ALS treatment.
Researchers found that uric acid from urine combines with chlorine to form NCl3 and CNCl, potentially hazardous compounds. Swimmers can improve pool conditions by urinating in bathrooms, not in the pool.
A study found that electro-acupuncture at Conception and Governor vessels, combined with mesenchymal stem cell transplantation, promotes neurological function recovery and angiogenesis in rats after cerebral ischemia/reperfusion. The researchers concluded that the combination has synergistic effects on promoting angiogenesis and recove...
Researchers discovered a less invasive technique for treating vulvar cancer, removing only the sentinel lymph node to decrease complications while maintaining low recurrence rates. The study, published at the Society of Gynecologic Oncologists meeting, included 73 women and found a 5.2% recurrence rate.
A new study led by Penn Dental Medicine researchers has reversed bone loss and inflammation in patients with leukocyte adhesion deficiency, a rare immune disorder. The breakthrough discovery identifies IL-17 as the key driver of periodontitis and bone loss in these patients.
Researchers Artur Ekert and Renato Renner propose a way to use quantum properties of particles of light to share secret keys for secure communication. They found that certain correlations can protect us against adversaries with superior technology, even if our choices are not completely predictable.
Astronomers have observed a miniature planet, Chariklo, with two rings of ice and pebbles located between Saturn and Uranus. The discovery was made using a new camera at the Danish telescope in Chile, which revealed two thin rings separated by 14 km.
Researchers at Joint BioEnergy Institute have successfully introduced a pair of genes into E. coli bacteria to confer tolerance to ionic liquids, enhancing the production of terpene-based biofuels. This breakthrough could eliminate a bottleneck in biofuels production and pave the way for more economical fermentation conditions.
A comprehensive atlas of human gene activity has been released, revealing complex networks that govern gene expression. The new findings could lead to a better understanding of the genetic causes of diseases and improve disease diagnosis.
Scientists used caffeinated fruit flies to map genetic variations associated with resistance to insecticides. The study identified two key genes that contribute to resistance, offering insights into developing more targeted and efficient pest control strategies. By exploring the genetics of xenobiotic resistance, researchers can uncove...
A new project, ATHENA, is developing four human organ constructs that mimic the response of actual human organs. The system, which includes a liver, heart, lung, and kidney, aims to provide a realistic and cost-effective way to screen new drugs and toxic agents.
ScanDrop, developed by Northeastern University professor Tania Konry, is a single instrument that conducts wide range of biological scans in reduced time and cost compared to industry standard equipment. The tool uses ultra-sensitive detection methods and less material to detect biomarkers signaling diseases such as diabetes or cancer.
Researchers at Woods Hole Oceanographic Institution identified a core skin bacterial community shared by humpback whales across populations, suggesting a way to assess their overall health. The study's findings could aid in population health monitoring and conservation status of threatened or endangered marine mammals.
Researchers discovered fossils of Tamisiocaris, an early arthropod that evolved from large predators to gentle suspension feeders. This finding highlights the productivity of the Cambrian period and provides insight into ancient ecosystems.
Researchers at Johns Hopkins Medicine have developed a new technology that uses 3D MRI scans to precisely measure living and dying tumor tissue, allowing for more accurate predictions of patient survival after chemotherapy. The technology has been shown to improve survival rates by up to 19 months in patients with liver tumors.
A new study by University of Toronto researchers found that adult children with arthritis are more likely to have had a parent addicted to drugs or alcohol during childhood. The study associated parental addictions with a 58% higher odds of developing arthritis, despite controlling for other factors.
A new Capsicum annuum pepper germplasm has been released by researchers, providing a rich source of non-pungent capsinoids with antioxidant activity, enhanced adrenal function, and metabolism promotion. The high concentrations of capsaicinoids in the fruit facilitate its potential use in foods, pharmaceuticals, and research.
A mathematical model explains how high-rank individuals in hierarchical groups engage in seemingly altruistic behavior by competing with peers in other groups, leading to increased total group effort towards conflict. This behavior is linked to within-group hierarchy and inequality, observed in nature across various species.
Scientists used PET imaging to visualize copper distribution in the body of mice with Menkes disease, laying groundwork for human studies. The study found that combining copper injections with disulfiram enhances copper accumulation in the brain without kidney damage.
Researchers found that autism is caused by disrupted development of cortical layers in the brain, which leads to absent genetic markers and focal patches of abnormality. The study suggests that early treatment can lead to clinical improvement as the brain rewire connections to circumvent these defects.
A new five-year study aims to determine whether treating depression in patients with heart failure can help them live longer. The Hopeful Heart trial will include 750 participants who meet severity criteria for heart failure and screen positive for depression.
Researchers found de novo genes in female Drosophila flies that originate from ancestral non-coding DNA sequences. These genes appear to play a role in female reproduction and may have been previously overlooked in favor of male-biased gene expression.
A study recommends management practices to address citrus greening disease by monitoring phloem production in affected trees. The researchers found that new phloem tissue supports growth for a limited time, making the weeks before and after spring flush critical for management.
A new smartphone application appears to help patients with alcohol use disorder (AUD) reduce risky drinking days and promote abstinence. The Addiction-Comprehensive Health Enhancement Support System (A-CHESS) app provides audio-guided relaxation and alerts when a patient nears a high-risk location, leading to a significant decrease in ...
Researchers discovered that the p53 gene is hyperactive in stem cells when cellular damage is present, but not in other cells. This finding suggests that p53's tumor suppression ability may have evolved from its original role in regulating stem cell growth.
Research suggests that prenatal origin of autism is related to disorganized cortical patches in the developing brain. The study found a 91% absence of cellular markers for several cortical layers in autistic case samples.
The integration of whole-genome sequencing into newborn screening programs is a topic of debate among researchers. Key considerations include what information to report, impact on healthcare systems, mandatory vs voluntary participation, educating health professionals and parents, communicating results over time, ensuring treatment and...
Researchers found that vertical sleeve gastrectomy alters bile acids binding to nuclear receptor FXR, leading to weight loss and improved diabetes outcomes. Gut bacteria also change, with certain groups linked to Type 2 diabetes risk.
According to a new UT Dallas study, published in PLOS ONE, the legalization of medical cannabis has no correlation with increased crime rates. In fact, some types of violent crime, such as homicide and assault, may decrease after medical marijuana laws are implemented.
Researchers found that galanin plays a crucial role in stress mechanisms and influences depression risk, particularly in those with early life neglect or trauma. A new class of antidepressant drugs targeting galanin functionality may provide effective treatment options for patients.
The Sunday Driver gene is implicated in regulating muscle tissue formation and maintenance, with mutations leading to inherited muscle diseases such as Emery-Dreifuss muscular dystrophy. Researchers found that the gene's product interacts with cortical factors to enable the motor protein Dynein to transport muscle nuclei into place.
A comprehensive 'roadmap' of blood cells has been presented by researchers, pinpointing the location of key genetic regulators that determine cell development and function. This robust genetic catalog will enable hematologists to trace the development of blood cells and identify potential triggers for malignancies.
Researchers discovered that cells use the cdr2p protein to probe their surface area and determine when to divide. The study challenges previous models suggesting that another protein senses cell length.
A new study identified genetic variants associated with increased risk of bladder cancer recurrence. Inheriting certain DNA sequences may affect a patient's prognosis, allowing physicians to tailor surveillance and treatment plans.
Researchers have engineered a bacterium to synthesize pinene, a hydrocarbon produced by trees that could replace high-energy fuels like JP-10. Boosting production six-fold over earlier efforts, the scientists believe they've identified major obstacles to overcome before pinene dimers can compete with petroleum-based JP-10.
Researchers at Plant & Food Research identified falcarinol-type compounds that inhibit transport mechanisms interfering with cancer chemotherapy. These compounds, found in carrots and parsley, may complement conventional treatments to deliver better results for patients.
Researchers argue that NHS patients' experiences are frequently overlooked and suggest a national institute of patient experience is needed to draw data together and implement improvements. The lack of evidence that collected data has led to better healthcare quality highlights the need for effective leadership changes.
Researchers have mapped the human genome's regulatory network, identifying promoters and enhancers that control gene expression in different cell types. This breakthrough provides insights into human evolution and the diversity of cell types, paving the way for new technologies and applications.
Researchers found that giant pandas possess functional sweet taste receptors and show a strong preference for natural sweeteners. The study used behavioral and molecular genetic studies to investigate the giant panda's taste preferences and diet selection.
Researchers have discovered that many hot white dwarfs' atmospheres are contaminated by rocky material from planetary systems, suggesting a similar proportion of stars build terrestrial planets. This breakthrough has implications for the ultimate fate of the Earth billions of years in the future.
New Caledonian crows demonstrate an understanding of water displacement similar to that of 5-7 year-old children, completing 4 out of 6 water displacement tasks. They were able to displace water to receive a reward and showed preferences for certain objects over others.
Researchers have identified a conserved pathway responsible for seizures in both Drosophila flies and humans. Flies with prickle gene mutations exhibit myoclonic seizures, similar to those in human patients, and respond to the anti-convulsive drug valproic acid.
Researchers discovered that breast cancer tumors can hijack patients' repressive gene regulatory machinery, permanently blocking cancer-killing genes. This allows the cancer to continue growing despite treatment with aromatase inhibitors, which block estrogen synthesis.
Repeat sternotomy is a low-risk surgical option for octogenarian patients who have had previous coronary artery bypass graft surgery. The study found similar results in terms of operative morbidity and mortality between repeat sternotomy and primary sternotomy and surgical aortic valve replacement.
Researchers have identified genetic variants associated with two forms of rheumatoid arthritis, sero-positive and sero-negative. This breakthrough could lead to better diagnosis and targeted treatment for patients.
The updated guidelines for treating paracetamol overdoses are costing the NHS millions of pounds a year, with over 31,000 extra patients needing treatment. The changes have led to an increase in hospital admissions, with more than 49,000 patients receiving treatment annually.
Researchers developed a novel approach to trace ammunition used in crimes, detecting a wider range of particles than existing methods. This new technique could rapidly identify the type of ammunition used, allowing crime scene investigators to reconstruct crime scenes more accurately.
Cancer kills flies in a dose-dependent manner, similar to bacterial and viral infections. Researchers have established a system to disentangle the resistance and tolerance mechanisms to cancer in the Drosophila model.
A data-driven approach has been developed to maximize the effectiveness of limited enforcement resources in protecting Africa's threatened wildlife. The method uses spatial planning software to identify weaknesses in current efforts and redirect patrols to increase deterrence, with a potential cost reduction of up to 63%.
Kif15, a new molecular motor, uses its acrobatic flexibility to navigate the mitotic spindle during cell division. This unique ability could pave the way for targeted cancer therapies by allowing it to circumvent roadblocks and move along microtubules more quickly than other motors.
A phase 1 trial found ceritinib to be highly effective against both crizotinib-sensitive and resistant tumors with manageable side effects. The study enrolled 130 participants and showed dramatic shrinkage in tumor size and number in around 60% of patients.
The journal Gynecologic Oncology highlights the impact of obesity on gynecologic cancer prevention, treatment, and survivorship in obese women. Research shows that 72% of US women have a BMI of ≥ 25 kg/m2, making it challenging to convince patients of behavioral change.
A distant dwarf planet, 2012 VP113, has been found to orbit beyond the known edge of the Solar System, challenging our understanding of its boundaries. The discovery suggests an enormous, unseen planet could be influencing the orbits of inner Oort cloud objects.
Researchers at UCL found that pericytes, which control blood flow in capillaries, die around strokes causing lasting brain cell damage. New treatments targeting these cells may help restore normal blood flow and prevent ongoing slow damage after a stroke.
Researchers found that humpback whale skin bacterial communities consist mainly of Tenacibaculum and Psychrobacter spp., but differ by geographic location and metabolic state. The study suggests that these bacteria may act as an indicator of whales' health and the environment.
Researchers develop transgenic flies expressing anti-amyloid antibodies, which reduce neuronal loss and improve eye morphology. A second treatment involving secreted Heat shock protein 70 also shows protective effects, suggesting a new approach to targeting amyloids.
The asteroid Chariklo is found to have a ring system consisting of two sharply confined rings, separated by a clear gap. The team reconstructed the shape and size of the object itself as well as the properties of the newly discovered rings using observations from multiple sites.
A study found that autism is caused by disruptions in early brain development, specifically in the formation of cortical layers. The researchers analyzed 25 genes in post-mortem brain tissue and discovered focal patches of disrupted development in most children with autism. These findings suggest that the brain can sometimes rewire con...
A new blood test helps solve the dilemma of confounded clinical trials for septic shock by identifying low-risk and high-risk patients. The tool combines five protein biomarkers to accurately estimate mortality risk and determine which patients should receive experimental therapeutic intervention.