Researchers achieved best survival to date with islet cells from swine, reversing insulin dependency in diabetic cynomolgus monkeys. The study showed no evidence of antibody-mediated rejection, a major type of organ rejection, and demonstrated the potential for xenotransplantation.
The Defying Ocean's End conference aims to reverse the ocean's decline through a science-based international effort. The plan includes promoting a World Ocean Public Trust, expanding global marine parks, assessing conservation priorities, creating an ocean ethic, and implementing bold action steps.
The MARSIS project aims to probe several miles beneath Mars' surface and study the ionosphere. Researchers hope to detect signs of liquid water, which may have shaped the planet's deep canyons.
After passage of the Balanced Budget Act, length of stay in Medicare home care decreased among patients, particularly those in for-profit agencies. This decrease may have been a result of fraud and abuse control measures.
Research found that short-term exposure to ethynylestradiol reduces sperm fertilization capacity in adult male trout. The study showed a 50% decrease in fertility with 10 nanogram per liter of ethynylestradiol, highlighting the potential impact on fish populations.
A recent St. Jude study suggests that children with a higher proportion of sickled hemoglobin may develop 'twisted' arteries in the brain, which could increase their risk of stroke later in life. Researchers believe that this increased blood flow may damage arteries and lead to a higher risk of stroke among African Americans.
A new NIH-funded study found that low-dose naproxen and rofecoxib do not slow cognitive decline in patients with mild-to-moderate Alzheimer's disease. In fact, patients taking rofecoxib experienced more rapid cognitive decline than those on placebo or naproxen.
African-American kidney dialysis patients know about live donor transplants but may not discuss their wishes with healthcare providers, a Johns Hopkins study shows. Machine-preserving cadaveric kidneys improves early function after transplant and increases survival rates.
A new study found that tamoxifen is effective in reducing breast cancer cell proliferation at lower doses, with decreases in biomarkers associated with cardiovascular disease and blood clots. The results support a potential dose reduction for tamoxifen therapy without compromising its effectiveness.
A study published in Pediatrics found that hospitalized children experience high rates of adverse events, including birth trauma and post-operative infections. Children are vulnerable due to unique circumstances such as universal hospitalization for birth and inability to provide consent, leading to delayed treatment.
Jefferson scientists have developed a tobacco plant that produces human antibodies against rabies, addressing a global shortage of the treatment. The plant-based antibody is safer and less expensive than traditional methods, offering hope for millions affected by the deadly disease.
A new study found that Gleevec significantly reduced Kaposi's sarcoma lesions in five HIV-positive patients, with one patient experiencing a 90% regression. The therapy targets cancer cells and eliminates debilitating side effects associated with chemotherapy.
A new blend of cooking oil made from medium chain triglycerides (MCT) has been shown to heighten metabolism, lower cholesterol levels, and promote weight loss. In two clinical trials, participants who consumed the oil for 27 days experienced significant reductions in body fat and upper body fat, as well as improved blood lipid profiles.
The AAAS Newcomb Cleveland Prize, now supported by Affirmetrix, recognizes innovative research published in Science. The prize has helped uphold high standards of scientific integrity and research quality, rewarding the most groundbreaking discoveries.
A well-planned vegetarian diet provides numerous health benefits, including lower intakes of saturated fat and cholesterol. Vegetarians tend to have healthier body weight, lower rates of heart disease, high blood pressure, type 2 diabetes, prostate cancer, and colon cancer.
A new study published in the Journal of the American Medical Association found that rapid MRI did not improve clinical outcomes or save money for patients with low back pain. In fact, it may increase costs due to an increased risk of surgical interventions.
A study found that HIV-positive individuals are more likely to engage in undisclosed, unprotected sex, particularly with gay or bisexual men. The lack of disclosure is attributed to high prevalence and awareness of HIV in the gay community, as well as stigma surrounding HIV positivity.
Researchers at the University of Southern California have developed new FPGA programming techniques that can automatically translate programs into pipelined designs and optimize software for fixed-property chips. This allows for a low-cost, high-speed bridge from existing application software to FPGA platforms, reducing design time by ...
A study of over 78,000 women found that those who worked rotating night shifts for years had a 35% greater risk of developing colorectal cancer. Additionally, research on melanoma suggests two separate pathways may lead to its development, and polymorphisms in certain genes may be associated with prostate cancer risk.
A new nanoscale device developed by University of Wisconsin-Madison researchers allows for the study of individual electrons in detail. The device enables the observation of heat dissipation's influence on single electron transport, a crucial aspect of quantum computing and communication.
Two studies found that paclitaxel-based chemotherapy regimens and mini-transplants can help preserve ovarian function in younger patients. The paclitaxel regimen improved a woman's chance of regaining her ovarian function, while mini-transplants showed better results in preserving ovaries compared to high-dose chemo.
Researchers at The Wistar Institute developed DNA arrays to accurately diagnose Sezary syndrome, a leukemic variant of cutaneous T-cell lymphoma. The technology identified genetic markers that can predict patient survival and identify potential drug targets.
Researchers at Michigan Medicine have identified 158 genes specific to pancreatic cancer in a new study, providing a more accurate accounting of the disease's molecular makeup. The team hopes to use this knowledge to develop new diagnostic tests and treatments tailored to individual patients.
Scientists found that space shuttle exhaust can transport water vapor to the Arctic mesosphere, forming noctilucent clouds. The study used data from a launch vehicle instrument and confirmed the plume trajectory with ground-based observations.
Cardiff University researchers are conducting large-scale experiments to generate compost from municipal waste, aiming to reduce landfill gas emissions and save soil quality. By actively managing the composting process, they can produce high-quality compost in just eight weeks, compared to a year under traditional methods.
A new monoclonal antibody combination therapy has been found to be highly effective in treating chronic lymphocytic leukemia, with a remarkable 69% complete remission rate. The treatment, which combines two chemotherapy drugs with Rituximab, shows promising results across all age groups and stages of the disease.
New data from the Roche Organ Transplantation Research Fund challenge the idea that potent immunosuppressants increase cancer risk. People receiving CellCept are less likely to develop lymphoma or post-transplant lymphoproliferative disease, with a lower risk of malignant lymphoma compared to conventional immunosuppressive treatment.
The use of generic drugs led to a slowdown in prescription drug spending during the first quarter, with a 3.2% reduction in dollar outlay. Physicians responded positively to safety warnings and modified patient therapy as a result, with 38% changing or modifying their treatment.
Researchers found NRAS mutations in 95% of primary hereditary melanomas, but only 10% of sporadic melanomas. The study suggests a link between UV light exposure and the activation of NRAS mutations in early stages of melanoma development.
A recent study found that paroxetine significantly reduced the frequency of hot flashes in menopausal women by 64.6%, with up to 30% experiencing no flashes after six weeks. The medication worked by inhibiting serotonin reuptake, a natural chemical modulating mood and temperature control.
St. Jude researchers successfully cloned embryos from mouse medulloblastoma cells using a reprogrammed nucleus model, demonstrating the potential for epigenetic factors to cause tumors. The study provides valuable insights into the molecular basis of cancer and may lead to new therapies.
Researchers found that a protein called palladin is upregulated following traumatic injury to the central nervous system, forming a barrier that blocks neurons from recovering. Palladin appears to control astrocyte cell shape, leading to structural changes associated with injury.
The University of Central Florida's T-MAST program aims to fill critical shortages for middle school teachers in math and science. Students will undergo a four-semester fast-track program, receiving a master's degree in mathematics or science education upon completion.
A study by Children's Hospital of Philadelphia found that belt-positioning booster seats significantly reduce injuries in children under 7. The study analyzed data from over 4,200 children and showed that booster seat use can virtually eliminate injuries associated with seat belt syndrome.
Researchers have developed a new lentiviral vaccine that can induce robust immune responses in mice, offering a promising candidate for cancer therapy. Additionally, studies suggest that newborns may have a mature and functional immune response to infections, raising questions about neonatal vaccination strategies.
A large international study has found that kidney-transplant patients who receive statin therapy experience reduced cardiovascular risk and mortality. The study's findings support the use of statins as a preventive measure for these high-risk patients, particularly those with mild renal failure.
Researchers have developed a new regimen for lung transplant patients that reduces the need for anti-rejection drugs. The protocol involves giving fewer pills less often over time, with results showing 18 out of 20 patients doing well on lower doses of one mainstay anti-rejection drug, tacrolimus.
Researchers have developed genetically modified fat that protects mice from obesity and insulin resistance by increasing adiponectin production. The study suggests that knocking out the Dgat1 gene perturbs the metabolic function of fat tissue, leading to increased energy expenditure and improved insulin sensitivity.
A new study suggests that children with suspected high-risk child abuse injuries have a high incidence of occult head injuries, often missed by routine exams. Brain scans detected more head injuries in 37% of patients, highlighting the need for universal CT or MRI screening in young children.
A federal task force study has found that there is insufficient data to support the practice of routine dementia screening in primary care settings. The study suggests that the potential benefits of early diagnosis may outweigh the risks, but more research is needed to confirm this.
Women's lung function improved significantly after quitting smoking, with improvements lasting longer than those of men. Cigarette smoking is a leading cause of COPD, and the study highlights the importance of quitting to reduce lung disease risk.
A study published by Brown University researchers found that nicotine exposure in the womb can lead to behavioral changes in babies, including jitteriness and stiffness. The study suggests that public health officials consider interventions to promote healthy newborns for smoking mothers.
Low health-related quality of life scores among urban children could impact their educational success. The study found an association between health-related quality of life and school connectedness, suggesting that programs addressing mental and physical health needs can improve perceptions.
A new study found that chemotherapy and radiotherapy together reduce surgery and removal of the voice box due to cancer recurrence. The combination treatment was associated with a significantly lower rate of surgeries compared to standard therapy or radiotherapy alone.
Dr. Thomas Rossby is recognized for his groundbreaking acoustically tracked floats and innovative methods to measure ocean currents, offering new insights into the North Atlantic circulation. His work has revolutionized our understanding of physical ocean processes using sound in the sea.
The Ireland Cancer Center's Phase I and II trials report remarkable responses to new therapies for skin lymphoma, multiple myeloma, and solid tumors. These innovative treatments overcome common complications like kidney and liver damage, offering hope to patients with limited treatment options.
A study published in the American Journal of Physiology-Endocrinology and Metabolism found that fatty-acid oxidation is essential for the placenta to function efficiently and support fetal growth. The research could lead to new treatments for low-birth-weight or small babies.
Researchers at the University of Illinois found that piglets fed with a fiber-rich formula showed reduced incidence of diarrhea when infected with Salmonella typhimurium. The study suggests that fermentable fibers can help prevent intestinal damage and promote resistance against pathogens.
Researchers at Cedars-Sinai Medical Center developed a molecular test that identified a panel of genes correlating with tumor response to gefitinib, a drug approved for shrinking tumors in advanced lung cancer. The study found distinct patterns of gene expression linked to patient responses or lack thereof.
Charles Petit won the David Perlman Award for his article on freshening in the North Atlantic, while Patric Senson and Jim Handman received the Walter Sullivan Award for their program on climate change. The awards recognize excellent science journalism covering critical topics.
The alliance aims to provide advanced research and development services, field desorption measurements, and laboratory isotherm measurements for Canadian energy producers. ARC and TerraTek will collaborate on unconventional gas recovery and environmental expertise.
Researchers analyzed variability in demand for hospital services and found that scheduled surgical ICU caseload is a potentially reducible source of stress on ICUs. Smoothing this type of variability can improve patient flow and preserve access to critical services.
A study by Purdue professor Howard Zelaznik and colleagues suggests that stroke victims may retain some motor skills thought to be lost to cerebellar damage. The research found that patients with cerebellum damage struggled with tasks requiring a start-stop nature, but retained ability in continuous rhythmic motions.
Researchers discovered a significant link between obesity and periodontal disease among individuals aged 18-34 years. The association was found to be 76% higher than normal weight individuals in this age group.
Researchers at UC San Diego discovered that a protein essential for fruit fly embryonic development also plays a crucial role in mammalian wound healing. The study reveals that the loss of this protein causes skin cells to bunch up and stall, leading to slower wound healing rates.
The US Preventive Services Task Force finds insufficient evidence to recommend routine dementia screening in older adults. Alternative therapies for lower back pain, including spinal manipulation and massage, have small clinical benefits, while acupuncture's effectiveness remains unclear.
A Mayo Clinic case report reveals that long-term minocycline users are at risk of developing dental staining, causing blackish-blue appearance of the gums. The study emphasizes the need for collaboration between medical and dental professionals to ensure proper oral health management.
A recent study published in Annals of Internal Medicine suggests that spinal manipulation, a key component of chiropractic care, is an effective and safer alternative to pharmaceuticals for treating back pain. The American Chiropractic Association applauds the findings, which align with its long-standing advocacy for evidence-based care.
A new chemotherapy regimen combining docetaxel with cisplatin and 5-Fluorouracil has been shown to significantly improve survival rates in late-stage stomach cancer patients. The study found a nearly 80% higher chance of tumor shrinkage and a reduced risk of cancer growth.
The Russell Berrie Foundation gift will support cellular therapy research at Columbia University Irving Medical Center, aiming to restore body tissues and cure or ameliorate diabetes. The program seeks to engineer cells to produce insulin, potentially sparing patients from daily injections and devastating complications.