The Xie Lab found that Drosophila ovarian germline stem cells can out-compete normal stem cells for a position in the niche by invading neighboring cells and increasing cellular response to E-cadherin. This mechanism ensures only undifferentiated stem cells remain in the niche.
Scientists at CU-Boulder's Laboratory for Atmospheric and Space Physics are leading a team that will make measurements of Mercury's surface and tenuous atmosphere using the MESSENGER spacecraft. The mission will provide new insights into the composition, formation, and evolution of Mercury.
Scientists discovered that metastatic pancreatic cancer cells produce enough of the protein IDO to evade detection by the immune system, allowing them to spread in the body. This finding may lead to new ways to detect pancreatic cancer spreading to lymph nodes and enhance tumor immune therapy strategies.
The Research Experience for Undergraduates (REU) site at Stevens Institute of Technology has been renewed with a three-year, $305,000 grant from the National Science Foundation. The project focuses on increasing spectrum utilization in wireless networks for both military and commercial applications.
A study by Dr. Dorry L. Segev and colleagues found that severe obesity is associated with a lower chance of receiving a kidney transplant, even after adjusting for medical factors. Obese patients tend to wait longer and are more likely to be bypassed when a kidney becomes available.
A simple checklist of seven clinical signs and symptoms can identify sick newborns with life-threatening illnesses, reducing neonatal mortality. The algorithm has high sensitivity and specificity in both early and late infancy, improving the adaptation and implementation of IMCI guidelines.
For the first time, astronomers have directly visualized the distribution of dark matter in a supercluster, allowing for the detection of irregular clumps and detailed shapes. This breakthrough study, led by UBC researcher Catherine Heymans, uses NASA's Hubble Space Telescope to map the Abell 901/902 supercluster.
Researchers at Arizona State University develop a gene detection platform using self-assembled DNA nanostructures, enabling label-free detection of RNA genes in single cells. The technology has potential applications for disease diagnosis and could revolutionize the way gene expression is analyzed.
The article explores the results of the ‘Oats at 10 Years’ study, which tracked the correlation between oat consumption and a healthier lifestyle. The study found that foods containing whole-oat sources of soluble fiber, such as oats, oat bran, and oat flour, could reduce the risk of coronary heart disease.
Researchers found a link between a specific gene variant and autism, particularly when inherited from mothers. The study suggests that the CNTNAP2 gene may play a role in brain cell development and differentiation.
Researchers identified 273 human proteins required for HIV propagation using RNA interference, a technique that was previously untested on this scale. The study provides new insights into the HIV life cycle and offers potential new therapeutics.
Galaxies in crowded environments, like superclusters, experience violent lives due to high-speed collisions and stripping away of gas. The Hubble Space Telescope's Advanced Camera for Surveys mapped dark matter scaffolding, revealing dense clumps that match the location of old galaxies.
International brain aging expert Peter Whitehouse questions current approaches to Alzheimer's diagnosis and treatment, suggesting that AD represents our culture's attempt to make sense of natural brain aging. The book offers practical advice and information on how to maintain cognitive vitality and a sense of fulfillment as we age.
A new study has found that widely used asthma medication long-acting beta-agonists may not be associated with adverse events based on a patient's genotype. The study analyzed data from two clinical trials and found no differences in asthma symptoms or control between patients with different beta-2 adrenergic receptor genotypes.
Dr. Beth Levine, a renowned specialist in autophagy, received the award for medicine for her groundbreaking work that has propelled forward medical research on cancer, Alzheimer's disease, and infectious diseases. Her investigations have identified key genes involved in autophagy, contributing to various diseases.
Two distinct gas and dust clouds formed by different types of supernova explosions are detected in DEM L316 nebula, with one shell containing more iron suggesting a Type Ia supernova. The two shells appear to be aligned by chance in the sky due to their vastly different ages.
A protein found in human hair, keratin, has been shown to speed up nerve regeneration and improve nerve function in animal studies. The study used keratin-filled gels to repair nerve gaps and showed promising results compared to current treatment options.
Immune cells can detect prostate cancer using a specific receptor on T cells, which recognizes the cancerous tumor. The molecular signpost is histone H4, a protein found in all cells but displayed only on the surface of tumor cells.
Researchers discovered that Gas6 protein increases cell signaling in response to Epo treatment, enhancing its therapeutic potential for treating anemia. The study also found that mice deficient in Gas6 have decreased sensitivity to Epo and reduced ability to recover from anemia.
Researchers have identified potential habitats in the central and northern Sierra Nevada Mountains for reintroducing California fishers, a rare and elusive carnivore. The study suggests caution in implementing reintroduction efforts due to limited connectivity and distance from existing populations.
A new study found that low-income mothers prefer receiving nutrition information on the web rather than through a video game or printed pamphlet. The study suggests that websites are a smart strategy for certain groups, particularly in increasing nutrition literacy.
Theoretical physicists use mathematical modeling to describe interstellar shock waves, which could provide insights into the formation of stars, planets, and life. The study's findings have implications for NASA's upcoming missions and may shed light on the solar system's history and chemical origins.
A new study indicates older Arctic sea ice is being replaced by younger, thinner ice, making the region more susceptible to rapid melt. The researchers used satellite data to reconstruct past Arctic sea ice conditions and found that 58% of remaining perennial ice is thin and only 2-3 years old.
Inhibiting PIN1 has been shown to reduce airway fibrosis driven by TGF-beta-1 production in rodents with chronic asthma. Mice lacking PIN1 also exhibited reduced airway fibrosis when exposed to allergens.
The three publishers will collaborate on a five-year project to publish ethnomusicology scholarship and make emerging research more accessible. They will develop digital formats for monographs and fieldwork materials, and offer enhanced online access to scholars.
A new study using Chandra X-ray Observatory results provides evidence that many supermassive black holes are spinning extremely rapidly. The research suggests that these fast-spinning black holes can drive powerful jets, pumping energy into their environment and affecting galaxy growth.
Researchers have identified a new chromosomal region strongly associated with low-density lipoprotein (LDL) levels. This discovery may lead to the development of new therapies for coronary heart disease, which claims over 250,000 lives annually in the UK.
Researchers are using transgenic poplars to remove pollutants from a contaminated site in north-central Indiana. The trees have been shown to absorb and break down contaminants such as trichloroethylene, making them a promising solution for phytoremediation.
A $100,000 grant from Joan's Legacy will enable Cold Spring Harbor Laboratory to build upon recent lung cancer discoveries, focusing on epidermal growth factor receptors (EGFR) and their potential link to estrogen. The research aims to understand how EGFR genetic mutations contribute to non-small cell lung cancer development.
Researchers found that Gas6 protein increases cell signaling in response to Epo treatment and treats both chronic and acute anemia in mice. Additionally, mice deficient in Gas6 have decreased sensitivity to Epo and reduced ability to recover from anemia.
Scientists at Dana-Farber Cancer Institute and Harvard Medical School have identified a target for an antibody-based HIV-1 vaccine by revealing the structure of a key surface protein. The discovery may help overcome challenges in developing a vaccine due to the virus's envelope protein variations and sugar molecules.
Researchers found that rapidly spinning black holes produce light echoes, where X-ray photons travel different paths around the black hole, causing a constant delay independent of source position. This effect would allow astronomers to measure black hole masses with high accuracy.
Researchers have validated the association between CNTNAP2 and autistic behaviors in the general population, validating an earlier finding. This discovery highlights the potential of small science approaches and may lead to early diagnostic tests for autism.
Researchers at Ohio State University identified a genetic link between the profilin 1 gene and increased risk of high blood pressure in older adults. The gene affects vascular remodeling, which can lead to structural and functional changes in blood vessels, ultimately causing hypertension.
The Hubble Space Telescope has discovered a double Einstein ring, caused by the bending of light from two distant galaxies behind a massive foreground galaxy. The discovery offers insights into dark matter and the nature of distant galaxies.
Researchers at UCLA discovered a strong association between the contactin-associated protein-like 2 (CNTNAP2) gene and autism, particularly in boys. The study found that CNTNAP2 is most active in brain regions involved with language and thought, suggesting a link to speech delay and other symptoms of autism.
A study reveals that elephants, giraffes, and other large plant-eaters spur Acacia trees to hire ants as bodyguards, but without them, the trees suffer. The research highlights how people's impacts on ecosystems can cascade down unexpected paths.
Researchers have made significant advances in treating and diagnosing LAM through the use of sirolimus and serum VEGF-D test, showing improved lung function and reduced tumor growth. These studies provide hope for patients suffering from this deadly disease, paving the way for targeted therapies.
Researchers at Cardiff University have made promising progress in treating tuberous sclerosis, an inherited disease that causes tumours to grow in organs. After a year of Sirolimus treatment, kidney tumour diameters shrunk by 26% on average.
The Joni Gladowsky Breast Cancer Foundation has funded CSHL's innovative breast cancer research, led by Dr. Senthil Muthuswamy, to develop alternative treatment strategies for early-stage breast cancer. The foundation aims to identify genetic differences between benign and malignant lesions to prevent cancer progression.
A recent study found that college students could accurately distinguish between successful and unsuccessful CEOs based on their facial features, which were rated for competence, dominance, likeability, maturity, and trustworthiness. The study suggests that first impressions can be a reliable indicator of leadership abilities.
Blocking the enzyme SCD1 reduces fat accumulation, improves insulin sensitivity and weight loss in FH-mice affected by metabolic syndrome. This finding highlights SCD1 as a potential drug target for individuals with familial hyperlipidemia and metabolic syndrome.
Researchers at Cold Spring Harbor Laboratory have discovered endothelial progenitor cells that regulate tumor growth and transform dormant lung metastases into life-threatening lesions. Targeting these cells may provide a novel approach to treating lung cancer.
Researchers at Berkeley Lab have developed a novel method to synthesize silicon nanowires with exceptionally rough surfaces, which exhibit high thermoelectric efficiency. This breakthrough technology could enable the widespread adoption of thermoelectric materials in various applications.
Researchers used supercomputing power to simulate the early Universe and identify potential methods for measuring dark energy. The study's findings will help design a proposed satellite mission called SPACE, which aims to unveil the nature of dark energy and its role in the Universe's accelerating expansion.
A yearlong study showed that overweight individuals who lose a moderate amount of weight experience improved heart health, regardless of whether it's achieved through calorie restriction or exercise. The researchers found that participants' hearts regained some of the elasticity characteristic of younger heart tissue, allowing them to ...
A leading international team of marine scientists has warned that it is too early to sell carbon offsets from ocean iron fertilization. The researchers emphasize the need for larger-scale experiments to assess the efficiency and potential side effects of this method, which could have unintended ecological impacts.
Researchers found that human auditory neurons can detect subtle frequency differences down to a tenth of an octave, surpassing other mammals. This sensitivity may be linked to musical skill and cognitive abilities such as working memory.
A new protocol combining daily spontaneous awakening trials with spontaneous breathing trials results in better outcomes for mechanically ventilated patients, including shorter ventilation periods and earlier discharge. The study found that this approach improved clinical outcomes without increasing adverse events.
Researchers at Stanford University have released a comprehensive review of US medical device regulation, highlighting the differences between regulations guiding medical devices versus pharmaceuticals. The report emphasizes the complexity of the approval process and post-market surveillance administered by the FDA.
A meta-analysis of 18,686 individuals with diabetes and 71,370 without diabetes found a significant reduction in all-cause mortality and major vascular events with statin therapy. The study suggests that most people with diabetes should now be considered for statin therapy.
The Rutgers University Wireless Information Networking Laboratory has established a unique facility for testing new mobile computing and communications technologies. The ORBIT Open Access Radio Grid Testbed features a 400-node programmable radio transceiver emulation laboratory and an outdoor field trial system.
The UK's National Health Service (NHS) is turning 60, but its future is uncertain due to a lack of scientific focus on health-system reform. The Editorial calls for a radical change in the NHS's training system and culture to address its fundamental problems.
Researchers have identified specific protein markers in human saliva that can provide an early, non-invasive diagnosis of breast cancer. The study found 49 proteins that differentiated healthy patients from those with benign and malignant breast tumors.
Research by Michigan Medicine suggests that overactive nerves in the head and neck may contribute to tinnitus. Acupuncture and trigger point therapy may be effective treatments for people with 'ringing in the ears'. The study found hyperactivity of touch-sensing neurons in animals, which could lead to new insights into the condition.
Researchers from the Pediatric Metabolic Syndrome Working Group explore the potential for a unified definition of metabolic syndrome in children, highlighting the need for clear identification of risk factors. They find that waist circumference and weight-to-height ratios may be more accurate than body mass index alone in determining m...
Researchers found evidence of 200,000 year period of widespread glaciation in the 'super greenhouse' climate. Ice sheets were approximately 60% the size of modern Antarctic ice cap and existed when alligators lived in the Arctic.
Researchers at Children's Hospital of Philadelphia developed a simple test to accurately predict risk of serious jaundice in newborns, combining bilirubin levels and gestational age. The study found that about 70% of babies were low-risk, while 13% were high-risk and 17% were in the middle category.