The researchers identified the molecular structure of a protein complex that plays an important role in regulating the circadian rhythm. The complex contains a zinc ion, which stabilizes it and may play a key role in regulating metabolic processes.
A new study using next-generation DNA sequencing shows that it can accurately screen embryos for genetic disease prior to implantation, improving outcomes in IVF treatments. The technique has been shown to be effective, reliable and cost-efficient, resulting in more ongoing pregnancies.
Researchers found that HCV reactivation did not negatively impact overall survival for HIV+ patients diagnosed with lymphoma. In fact, the study suggests these patients can tolerate chemotherapy without adverse outcomes, paving the way for increased enrollment in cancer clinical trials.
A study by Johns Hopkins Medicine found that saliva enzymes, blood proteins, and muscle proteins can protect against DNA damage caused by pyrogallol-like polyphenols (PLPs) in teas, coffees, and liquid smoke flavorings. The presence of these defenses may explain why PLPs are not causing widespread illness despite their toxic effects.
A new software tool, pVAAST, has been developed to identify genetic mutations that contribute to an individual's increased risk of developing complex diseases. The tool combines two statistical methods, linkage analysis and association tests, to find disease-causing gene mutations more efficiently.
A new method of wormlike motion allows gels to swim in water, expanding their potential applications as environmental and biotechnological tools. This breakthrough was achieved by a UC undergraduate student with the help of his advisers, enabling soft materials to explore new areas such as surface waters or cavities inside the human body.
Researchers found that narcissists lack empathy, but under instruction to take another's perspective, they showed increased empathy. Perspective-taking led to physiological responses similar to those of non-narcissistic individuals, indicating a capacity for empathetic response given the right conditions.
Researchers create pulse picking technique to enable users to select individual x-ray pulses on demand for high-resolution time-of-flight spectrometers. This allows for more precise band structure examinations in materials science.
A study found that removing JAK2 from healthy hematopoietic stem cells accelerates leukemia in mice, causing a rapid increase in cancerous cells. Healthy cells, however, are severely impaired and often disappear due to the loss of JAK2.
A recent study found that discontinuing statins in patients with advanced illnesses resulted in improved overall quality of life and lower costs. Patients who stopped taking statins appeared to live slightly longer and reported better psychological wellbeing.
Scientists at the University of Vienna observe random diffusion of a butterfly-shaped atomic defect in graphene, revealing a random walk through the crystal. The study uses high-resolution electron microscopy to track the defect's migration over time.
A study published in Science reveals that eradicating invasive species can sometimes harm endangered ones, such as the California Clapper Rail. The researchers found that slowing down invasive species eradication allows for restoration or natural recovery of the ecosystem, providing suitable habitat for the endangered species.
A retrospective analysis of adjuvant chemotherapy's impact on overall survival in patients with stage III soft tissue sarcomas (STS) found a significant benefit. Patients treated with adjuvant chemotherapy had an improved median overall survival, with a 23% increase compared to those not treated.
Researchers at Fox Chase Cancer Center found that genetic mutations in three specific genes can predict which bladder cancer patients will benefit from early chemotherapy. Patients with these mutations are more likely to respond to treatment and have a higher chance of being cancer-free after surgery.
Researchers found that standard checklist approaches to studying menopause symptoms neglect non-Western women's understanding of their own experience. Dr Mwenza T. Blell's study highlights the importance of adopting alternative approaches to capture varied beliefs and understandings of menopause.
A team of German and Italian researchers captured the first real-time movies of light-induced electron transfer in organic solar cells. The findings suggest that the quantum-mechanical nature of electrons and their coupling to nuclei is crucial for charge transfer, with potential implications for optimizing device efficiency.
Leslie L. Robison, a St. Jude Children's Research Hospital researcher, has received the Pediatric Oncology Award for his contributions to childhood cancer survivorship research. Studies funded by Robison have shown that childhood cancer survivors are at an increased risk of developing new cancers and chronic health problems.
The investigational agent DMOT4039A, a combination of chemotherapeutic agent and antibody, showed initial evidence of anti-cancer activity in a phase I clinical trial for pancreatic and ovarian cancers. The drug targets mesothelin-rich cancer cells, reducing the risk of off-target effects.
Researchers at Fox Chase Cancer Center halted a trial after 23% of patients experienced severe cardiovascular events while receiving a chemotherapy regimen. The study aimed to investigate the effectiveness and safety of gemcitabine and cisplatin in patients with muscle-invasive bladder cancer.
Researchers at MIT have developed a system that enables printable robotic components to fold into prescribed three-dimensional configurations when heated, allowing for the creation of fully assembled robots. The technology also includes designs for resistors, inductors, and capacitors, as well as sensors and actuators.
A new study found that prostate cancer patients who underwent external beam radiation therapy were 70% more likely to develop rectal cancer and 40% more likely for bladder cancer. Survivors should be aware of symptoms such as pelvic pain, difficulty urinating, or blood in stool to monitor for potential secondary cancers.
Researchers found that discontinuing statins in patients with advanced illnesses resulted in improved overall quality of life and lower costs without increased deaths. Patients who stopped taking statins appeared to live slightly longer, with median survival times of 229 days compared to 190 days for those continuing the drug.
Researchers at NIST have created a new laser-based instrument that simulates sunlight across a broad spectrum, allowing for accurate testing of solar cell properties and potential efficiency boosts. The instrument uses optical-fiber amplifier technology to boost power and a photonic crystal fiber to broaden the spectrum.
Researchers at Brigham and Women's Hospital have successfully fabricated blood vessels using 3D bioprinting technology, addressing a critical challenge in tissue engineering. The approach involves printing agarose fibers that become the blood vessel channels, allowing for physical removal of template layers and improved cell viability.
Myriad Genetics Inc. presented new data on its BRACAnalysis CDx and HRD tests, supporting their clinical efficacy in predicting platinum-based therapy response for triple negative breast cancer patients. The company also announced an early access launch of the HRD test in FY15.
Researchers have discovered a new target, human plastin 3 (PLS3), that may be critical for the treatment of osteoporosis. Injection of PLS3 or related proteins in zebrafish where it has been suppressed can replace its loss and repair bone development anomalies.
Researchers have discovered how lemurs fight the Cryptosporidium parasite using next-generation sequencing technology. This breakthrough could aid in conservation efforts and develop new methods for detecting and treating the infection.
A new study by Clemson University researchers found that media coverage can influence how players and fans perceive injuries in sports. Positive framing of players who sit out or play through injuries is often viewed as a sign of toughness, while negative framing can lead to perceptions of weakness.
A new Arizona State University study examines the impact of urbanization on heat-related mortality in Maricopa County. The research found that projections of heat-related mortality range from a decrease of 46 deaths per year to an increase of 339 deaths per year, with nighttime temperatures being a significant concern.
Researchers found that patients with CNSi at diagnosis were nearly three times as likely to have CNSr during treatment, which is associated with poor prognosis. However, CNSi did not appear to impact overall survival, suggesting a need for improved diagnostic tools and treatments.
Researchers at Stanford Medicine found that coaxing iPS cells in the laboratory to become more-specialized progeny cells before transplantation into mice allows them to be tolerated by the immune system. This process reduces the risk of rejection and eliminates the need for immunosuppression.
The Global Precipitation Measurement Core Observatory satellite has completed its check-out period and started its mission, collecting observations of rainfall and snowfall. The satellite's two science instruments have been calibrated and are now producing accurate data on weather elements such as thunderstorms.
A University of Liverpool study found that eating prunes daily improved weight loss by 1.5kg over 12 weeks, while also reducing waist circumference. Prune consumption enhanced feelings of fullness and was well-tolerated despite high doses.
A recent study published in Metabolomics found that EGCG, a green tea extract, disrupts the balance of metabolic pathways in pancreatic cancer cells, reducing their growth and increasing the risk of cancer. Researchers also identified an enzyme inhibitor, oxamate, which operates in a similar manner.
Jackson Laboratory Assistant Professors Jennifer Trowbridge and Chengkai Dai have received federal research grants to investigate acute myeloid leukemia and metformin's anti-cancer effects. They aim to elucidate specific problems in key areas of cancer research.
A new clinical trial found that adding goserelin to chemotherapy regimens for premenopausal women with early-stage breast cancer significantly reduced the risk of early menopause. The study also showed improved overall survival rates and a higher pregnancy rate in the goserelin group.
University of Illinois researchers develop new technique to induce mouse embryonic stem cells to form three distinct germ layers, a crucial step towards regenerative medicine. The study provides insights into the biological process controlling tissue development and opens doors for efficient organ generation.
The Interface Region Imaging Spectrograph (IRIS) successfully observed a gigantic coronal mass ejection (CME) on May 9, 2014. The spacecraft caught the event in extraordinary detail, revealing its unprecedented size and structure.
Researchers from NIST and University of Maryland's Joint Quantum Institute found that speeding up part of a light beam past the speed of light results in lost quantum data. The team explored what this means for quantum information transfer in quantum computers, suggesting that quantum noise and distortion set an information speed limit.
Research from the University of Leeds suggests that exposing infants to new vegetables early on encourages healthy eating habits. Studies found that younger children consume more artichoke than older kids and that repeated exposures can increase intake over time.
Researchers discovered how a plant-virus protein suppresses a key plant defense mechanism that remembers viral genetic information. The enzyme cluster formation caused by TGBp1 disrupts the recording of viral genetic information, reducing plant resistance to infection.
A Cochrane review found that rectal artesunate reduces deaths in young children with severe malaria, but its use in older children and adults is less clear due to low-quality evidence. The treatment could be a lifesaver in rural areas where injections are unavailable.
Developing neurons use the receptors DCC and neogenin to detect Netrin-1, guiding their growth towards anatomical boundaries. This understanding may lead to the development of drugs for spinal cord or brain injuries.
Anusha Mujumdar, a 3rd year PhD student at Exeter University, has won the Zonta International Amelia Earhart Fellowship to support her pioneering research on spacecraft control for the Mars Sample Return mission. Her work will help develop 'rendezvous and capture' technology for retrieving samples from Mars.
Anil Kulkarni, UTHealth professor, awarded Fulbright Fellowship to teach immunonutrition in India. He aims to establish a center promoting immunonutrition education globally.
A new NASA satellite animation reveals Hurricane Amanda's rapid weakening from May 28 to May 30. The post-tropical cyclone's circulation center became harder to identify, indicating its demise.
Researchers have discovered a single-ovary reproductive system in the basal bird Jeholornis and derived enantiornithine birds from China, indicating that this adaptation occurred gradually during the evolution of dinosaurs and basal birds. This finding supports the hypothesis that birds lost one ovary due to energetic pressures of flight.
A new study of women with BRCA mutations who underwent risk-reducing salpingo-oophorectomy found high rates of sexual dysfunction, menopausal symptoms, and poor sleep. Hormone replacement therapy provided relief for some patients, highlighting the need for better strategies to manage long-term effects.
A Curtin University researcher has discovered that volcanic eruptions in Australia 510 million years ago led to the first known mass extinction of complex life. The study found a correlation between large volcanic province eruptions and climate shifts, resulting in mass extinctions over the last 550 million years.
Researchers found that reducing the frequency of bisphosphonate treatment from monthly to every three months after one year was non-inferior to continuing monthly treatment in terms of efficacy. The study also showed a reduced risk of serious side effects, including kidney-related adverse events.
A behavior-altering enzyme commonly used in depression medications has been linked to prostate cancer growth. Suppressing this enzyme may reduce or eliminate prostate tumor growth and metastasis, offering a potential new treatment for men with metastatic prostate cancer.
An analysis by Fox Chase Cancer Center has revealed a dramatic increase in the use of chemotherapy before surgery to remove ovarian cancer, with 26.72% of patients receiving it in 2011 compared to 8.94% in 1998.
Researchers have developed a novel technique to detect cell toxicity in real-time during drug screening, using DNA-binding fluorescent dyes. Four dyes were identified as safe and impermeable to cells, enabling the detection of cell death during high-throughput screening.
Researchers at the University of Surrey found that narcissists can experience empathy when instructed to consider another person's perspective. This could lead to a decrease in violent and anti-social behaviors, as well as improved relationships and overall wellbeing.
The American Society for Clinical Oncology has released new clinical guidelines for cancer-related fatigue, developed in collaboration with Moffitt Cancer Center. The guidelines recommend regular screening and treatment of fatigue in cancer patients after treatment, as well as addressing other contributing factors such as depression, p...
Conservative fuel treatments reduced fire severity equally as intensive treatments in protecting homes during the 2011 Wallow Fire. The study suggests multiple paths to fuel treatment design around the WUI, with varying distances to reduction in fire severity depending on treatment intensity.