Researchers at Columbia University Medical Center have developed a potential non-steroidal birth control pill for men that prevents conception with reversible male sterility. The compound, which interferes with retinoic acid receptors, showed no apparent side effects and restored fertility soon after drug administration was terminated.
A new animal study suggests that fetal programming of disease risk to the next generation depends on parental gender. The study found that exposure to stress hormones in the womb can program potential health effects, but the effects differ between mothers and fathers.
A study of 75 obese men found that bariatric surgery can reverse low testosterone levels and symptoms of male sexual dysfunction. After weight loss, testosterone levels increased significantly, indicating a potential causal relationship between obesity and low testosterone.
A clinical trial revealed crizotinib's effectiveness in shrinking tumors and improving responses in over 60% of ALK-positive advanced non-small cell lung cancer patients. The treatment has shown dramatic benefits with minimal side effects, opening new avenues for targeted therapy.
The International Research Initiative on Adaptation to Climate Change has announced a total of $12.5 million in awards to five research teams, including two focused on vulnerable indigenous populations, to study climate change adaptation strategies and mitigate the impacts of climate change.
Researchers found that clinicians created shadow processes to support their work when the computer system didn't meet their needs. Paper and pen workarounds were common, involving printed consultation notes or electronic spreadsheets outside of the electronic health record.
A new strain of methicillin-resistant Staphylococcus aureus (MRSA) has been discovered in both human and dairy cow populations. The genetic makeup of the new strain differs from previous strains, making current molecular tests ineffective in detecting it.
A large study by Mayo Clinic and NCCTG found that PTEN status has no significant impact on disease-free survival when Herceptin is added to chemotherapy. Patients with HER2-positive breast cancer did equally well regardless of PTEN activity levels.
The elderly are more vulnerable to negative impacts of floods and natural disasters due to age-related disabilities and social circumstances. Research highlights the importance of considering age-related needs in emergency preparedness planning to ensure better outcomes.
A BUSM study reveals gabapentin may cause anorgasmia in older men, a previously underreported side effect. The medication, commonly used for neuropathic pain and seizures, appears to be dose-dependent, with orgasm returning once dosage is reduced or stopped.
A phase II clinical trial found PCI-32765 to be highly active in treating chronic lymphocytic leukemia (CLL), achieving complete remission in one patient and partial remissions in 62% of previously untreated patients, with tolerable side effects.
Researchers found that MreB proteins assemble into patches and move in circular paths along the inside of the cell membrane, relying on a functioning cell wall for movement. This discovery opens up new avenues for therapeutic intervention and could lead to urgently needed alternatives to antibiotics.
The AAAS Pacific Division will convene a joint session with the World Congress on Mummy Studies in San Diego, exploring DNA analysis and facial images from mummies. The meeting will feature 16 sessions on topics including fragile X syndrome, music and science, and ancient mummification methods.
Researchers found that Latino smokers who have a significant other are more successful in quitting smoking, with approximately 46% of participants reporting success. The study also suggests that having a partner can buffer the negative effect of depression on smoking cessation.
Researchers at Dana-Farber Cancer Institute conducted a phase 1 clinical trial using ipilimumab and bevacizumab to treat advanced, inoperable melanomas. The trial showed that the combination of these two drugs was safe and potentially more effective than either drug alone.
Muscle cell fusion is crucial for understanding normal muscle growth and regeneration after injury or disease. Johns Hopkins researchers discovered the role of a regulatory protein called Blown Fuse in facilitating muscle cell merging by disrupting the WASP-WIP protein duo, which regulates cytoskeleton dynamics.
A Northwestern University study found that cancer survivors experience moderate to severe symptoms such as pain, fatigue, and disturbed sleep, often unaddressed by healthcare providers. Researchers emphasize the need for education programs and tailored interventions to manage these chronic symptoms.
Patients with aggressive non-Hodgkin lymphoma who receive early stem cell transplants have comparable survival rates to those who undergo chemotherapy alone. Researchers urge caution for patients with poor risk factors, recommending careful consultation with their physician.
The novel CO2-plume geothermal system offers advantages over conventional geothermal systems, including increased efficiency and reduced risk of 'short-circuiting'. By using high-pressure CO2 as the underground heat-carrying fluid, CPG can be used in regions where traditional geothermal production is not feasible. This technology also ...
Researchers found that the HSPPC-96 vaccine for recurrent glioblastoma (GBM) extended median survival to 11 months, compared to the current three to five month survival rate. The vaccine showed a favorable safety profile and evoked a significant innate immune response in patients.
The COIN trial found that standard chemotherapy with cetuximab does not improve progression-free survival or overall survival in patients with advanced colorectal cancer. However, taking treatment breaks without compromising survival improves quality of life for most patients.
Participants lost similar weight and body fat, but the online group reported greater gains in behaviors promoting healthy lifestyles. They also showed increased confidence in physical activity, even in challenging situations.
The dragonfly wing's microstructure plays a crucial role in its biomechanical responses, enabling self-adaptability in flapping, torsion, and camber variations. The organic junction between veins and membranes optimizes strength, stiffness, and toughness.
Cancer cells exploit a unique metabolic pathway fueled by sugar consumption to survive. Researchers identified HIF-1 as controlling gene expression in low-oxygen conditions, with PKM2 playing a crucial role in this process.
Research shows that moral responses differ across ages, with young children being more inclined to punish perpetrators for intentional harm versus accidental damage. As people mature, their brain's response to moral situations changes, becoming more tempered and reflecting on the values linked to outcomes and actions.
Researchers have discovered a chromosomal mutation responsible for a very rare condition called CGH, which causes individuals to grow excess hair on their bodies. The study found that the insertion of chromosome 5 into the X chromosome appears to turn on a gene, likely SOX3, leading to excessive hair growth.
A low pressure area in the far western Caribbean Sea shows signs of tropical cyclone development, with a near zero percent chance over the next 48 hours, according to the National Hurricane Center. A second low pressure area is expected to bring heavy rainfall and flash flooding to Jamaica, Haiti, and other parts of the Caribbean.
A study found that dendritic cells release CCL17, which drives atherosclerosis by restraining regulatory T-cell homeostasis. The researchers used transgenic mice to demonstrate the role of CCL17 in promoting atherosclerosis.
AIDS-related cancer, Kaposi's sarcoma, is a frequent harbinger of HIV, with FSU scientist Dr. Fanxiu Zhu leading research on the human herpesvirus 8 (HHV-8) to develop targeted therapies. His work focuses on viral proteins, including ORF45, which plays a crucial role in infection and immune evasion.
A survey of 418 ED physicians found that 59% acknowledge less empathy for frequent users, who visit the ED at least 10 times a year. The study highlights the challenges posed by these patients and the need for hospital administrators to develop programs to manage their care.
A clinical trial published in the New England Journal of Medicine reveals that a vaccine combined with Interleukin-2 improves response rate and progression-free survival for patients with advanced melanoma. The vaccine stimulates the immune system to recognize and attack tumor cells, resulting in increased survival rates.
A new study found that frequent communication through letters and emails with spouses during deployment can protect against PTSD symptoms in happily married soldiers. However, this benefit only applies to soldiers with higher levels of marital satisfaction.
Raoul Tibes, M.D., Ph.D., receives a three-year grant totaling $200,000 to fund his translational research in acute myeloid leukemia. The award aims to make the drug Cytarabine more potent and effective for patients who have failed prior therapies.
Researchers at NIH have demonstrated how to reactivate immune cells exhausted by chronic HIV using siRNA-based approach. This breakthrough may lead to improved human antibody responses against HIV and other pathogens.
A recent study by Johns Hopkins researchers found a positive association between key developmental assets (self-esteem, autonomy, and empathy) and measures of sexual pleasure among young adults. The findings suggest that these assets may enable individuals to experience higher levels of sexual pleasure, particularly in men.
Researchers have identified a new target for combating cystitis: the thread-like structures on E. coli bacteria that adhere to bladder cells. Understanding this mechanism can lead to the development of new antibiotics, offering hope for treating recurring urinary tract infections.
Researchers uncover the mechanism by which Didymo 'scrubs' phosphorus from streams and rivers, making it available for growth. This study solves the puzzle of Didymo blooms in low-nutrient waterways.
Research at the University of Texas MD Anderson Cancer Center found that customizing targeted therapies based on a patient's specific gene mutations can lead to higher response rates, survival, and failure-free survival compared to non-matched patients. This approach has shown promise in treating solid tumors with gene aberrations.
A study found that hospitals prioritize young patients over elderly ones, highlighting the need for tailored care and more geriatricians in Canada.
Women with early-stage hormone receptor-sensitive breast cancer who received zoledronic acid alongside standard hormone therapy had a significantly lower risk of cancer returning (32%) compared to those on hormone therapy alone. The treatment's anticancer benefit persisted even after stopping treatment for over two years.
A new study reveals that climate projections don't accurately reflect soil carbon release, leading to potential flaws in global warming predictions. The researchers found that temperature variability affects the amount of carbon released from soils, with higher releases expected at lower latitudes.
A new study from North Carolina State University explores the complexities of discussing safer sex with transgender individuals, revealing high HIV prevalence rates and difficulties in communication. The research aims to provide more effective safer sex outreach tools for the community.
A University of Granada study found that allowing children to freely choose vegetables leads to an increase in their consumption. Children who were given the option ingested more than 20 grams of veggies daily, representing a significant boost to their overall vegetable intake.
A new study by Elizabeth M. Poposki explores how individuals attribute work-family conflict, finding that most (64%) blame work and few (6%) blame themselves. The study suggests scheduling conflicts in advance may reduce negative emotional reactions.
A new forest simulation model helps researchers understand the effects of timber-friendly hardwood regeneration on songbird habitats in Michigan's Upper Peninsula. The study found that regeneration in harvest gaps is crucial for forest managers to have choices, with sugar maple regeneration having a significant impact on bird habitat.
A new variant of meticillin-resistant Staphylococcus aureus (MRSA) has been detected in cow's milk, which is genetically different from existing MRSA strains. The variant can evade some existing detection methods, leading to incorrect prescriptions and potentially putting people at risk.
A study found that children of divorce fall behind peers in math and social skills during the divorce period, but not before. The study tracked over 3,500 elementary school students through kindergarten and into early childhood, providing insight into the effects of divorce on young children.
Researchers at Baylor College of Medicine have found that neurons need the MeCP2 protein throughout their entire existence. Without it, even as an adult, neurons can develop Rett-like behaviors and die prematurely. This discovery opens up new possibilities for treating Rett syndrome patients by providing a steady supply of the protein.
A comprehensive analysis of human geophagy reveals that eating dirt is a widespread behavior that provides protection against intestinal parasites and pathogens. The study found that people are more likely to consume earth during vulnerable life stages or in environments with high levels of foodborne microbes.
Researchers found that women with estrogen receptor negative cancers who did not receive radiation were 91% more likely to die from breast cancer. There is a corresponding increase in the use of radioactive implants for these patients.
A team of researchers led by University of Toronto physicist Aephraim Steinberg successfully reconstructed the full trajectories of light particles moving through a two-slit interferometer, a historic experiment that has puzzled physicists for decades. This achievement provides new insights into quantum mechanics and its interpretations.
Oxford University students argue that investing in arms companies is unethical and contradicts the university's values. They claim that Oxford invested £4.5 million in UK and US arms manufacturers between 2008 and 2010, including £1.4 million in Lockheed Martin.
Researchers have identified a compound called JM6 that diminishes the effects of both diseases in animal models, preventing memory deficits and loss of synaptic connections. The compound works by inhibiting an enzyme linked to neurodegenerative diseases, suggesting a potential therapeutic breakthrough.
A new drag reduction method could help shipping industries reduce energy use and carbon emissions by creating an insulating vapour layer around the ship's hot body. The Leidenfrost effect is used to minimize drag on fast-moving projectiles in water, with potential applications in ocean transport and high-pressure pumping.
The use of clot-busting drug rtPA for acute ischemic stroke patients in the US increased significantly between 2005 and 2009, with treatment rates doubling from 1.8% to 3.4%.
A study published in Clinical Cardiology reveals that CRT significantly improves libido, erectile dysfunction, and sexual performance in men with chronic heart failure. The therapy improves functional capacity and ejection fraction, leading to better sexual health outcomes.
Researchers found that antiepileptic drugs reduce seizures but worsen sleep and communication issues, while non-antiepileptic drugs improve symptoms without reducing seizure frequency. Non-traditional diets like ketogenic and gluten-free diets showed promise in lessening seizure severity.
The Global Sustainable Electricity Partnership has launched initiatives to bring clean, reliable electricity to 2.5 billion people with little or no access. Successful Public-Private Partnerships (PPPs) involve governments creating policies to attract business financing and using technology suitable to the location.
Researchers at Caltech have built the most complex biochemical circuit from scratch, made with DNA-based devices that can process information and make decisions. The circuit, consisting of 74 different DNA molecules, can compute square roots and round down answers, demonstrating logical control over biochemical processes.
A recent study found that preschool children with epilepsy exhibit significant cognitive impairment, particularly those with early-onset seizures. The study suggests that age at seizure onset is a crucial factor in determining cognitive function, with higher IQ scores associated with later seizure onset.