Pacientes diagnosticados com câncer pancreático podem desenvolver níveis elevados de glicose até três anos antes do diagnóstico do câncer, segundo os resultados de um estudo realizado por pesquisadores da Mayo Clinic e publicado no periódico Gastroenterology.
Up to 50% of women skip potentially life-saving mammograms often because they can cause extreme discomfort. Now researchers have developed a painless, light-based, non-radioactive, 15-second procedure that could revolutionize breast cancer screening and save lives.
Investigators have identified a new cellular pathway that may help explain how arterial inflammation develops into atherosclerosis—deposits of cholesterol, fats and other substances that create plaque, clog arteries and promote heart attacks and stroke. The findings could lead to improved therapies for atherosclerosis, a leading cause of death worldwide.
据Mayo Clinic研究人员发表在《胃肠病学杂志》 （Gastroenterology）上的研究结果，被诊断为胰腺癌（pancreatic cancer）的患者在癌症诊断前长达三年的时间里会有血糖升高。
An international team of astronomers have made the most precise test of gravity outside our own solar system.
The key to better treatments for brain injuries and disease may lie in the molecules charged with preventing the clumping of specific proteins associated with cognitive decline and other neurological problems, researchers from the Penn report in a new study published in Neurobiology of Disease.
The microbiome may harbor a gene for drug resistance
Michigan Medicine researchers discover that stimulating the prefrontal cortex results in wake-like behavior in anesthetized rats.
University of North Carolina School of Medicine researchers have discovered that a protein called Spt6 facilitates RNA degradation so that cells have just the right amount of RNA for the creation of proteins, a key component to human health and the avoidance of disease.
A surprising event promotes global changes in glioblastoma. Dying, apoptotic cancer cells release extracellular vesicles that carry components to alter RNA splicing in the recipient glioblastoma cells, and this increases their aggressiveness, motility, and resistance to radiation or chemotherapy.
Two strains of human herpesvirus—human herpesvirus 6A (HHV-6A) and human herpesvirus 7 (HHV-7) —are found in the brains of people with Alzheimer’s disease at levels up to twice as high as in those without Alzheimer’s, researchers from the Icahn School of Medicine at Mount Sinai report.
Setbacks are to be expected when pursuing a goal, whether you are trying to lose weight or save money. The challenge is getting back on track and not giving up after a difficulty or crisis, says an Iowa State marketing professor working on practical ways to help people stick to health-related goals.
روتشستر، مينيسوتا. — هناك ستة من الجينات الوراثية تحتوي على طفرات جينيّة يُمكن أن يتوارثها أفراد الأسرة الواحدة وتزيد بشكل كبير من خطر تعرُّض الشخص للإصابة بسرطان البنكرياس. وذلك وفقًا لأحـد البحوث الصادرة عن Mayo Clinic والمنشورة في إصدار التاسع عشر من يونيو من JAMA. على الرغم من ذلك، فقد اكتشف الباحثون وجود تلك الطفرات الوراثية في مرضى لا تُعاني عائلاتهم من أي تاريخ سابق للإصابة بسرطان البنكرياس، ولذلك فإنهم يوصون بإجراء اختبارات جينيّة لجميع مرضى سرطان البنكرياس كمعيار جديد للرعاية.
A technology developed at Israel's Technion will provide the scientific community with novel tools to gain a comprehensive understanding of immune system activity. Based on millions of scientific publications, the technology uses artificial intelligence to map disease immune profiles. These maps, which have already identified previously unknown biological interactions, will enable development of personalized, immuno-centric therapies
Researchers at the University of Wisconsin-Madison have discovered that a protein called Munc13-4 helps cancer cells secrete large numbers of exosomes—tiny, membrane-bound packages containing proteins and RNAs that stimulate tumor progression. The study, which will be published June 21 in the Journal of Cell Biology, could lead to new therapies that stop tumor growth and metastasis by halting exosome production.
Alzheimer’s disease could be better treated, thanks to a breakthrough discovery of the properties of the metals in the brain involved in the progression of the neurodegenerative condition, by an international research collaboration including the University of Warwick.Dr Joanna Collingwood, from Warwick’s School of Engineering, was part of a research team which characterised iron species associated with the formation of amyloid protein plaques in the human brain – abnormal clusters of proteins in the brain.
In new study in JNCCN - Journal of the National Comprehensive Cancer Network, Netherlands-based researchers found emergency colon cancer surgery was more likely to lead to complications if performed on a weekend, rather than a weekday.
Bisexual men have a higher risk for heart disease compared with heterosexual men across several modifiable risk factors, finds a new study published online in the journal LGBT Health.
A new study shows in an emergency, 52 percent of adults with potentially life-threatening allergies didn’t use the epinephrine auto-injectors (EAI) they were prescribed.
A new SLAS Discovery review article summarizes new methods of fragment-based lead discovery (FBLD) to identify new compounds as potential antibiotics. It explains how FBLD works and illustrates its advantages over conventional high-throughput screening.
In an article published today in the New England Journal of Medicine, University of Pennsylvania researchers call for modernizing the way Medicare pays for training nurses, and highlight a successful new model of cost-effectively training more advanced practice nurses to practice community-based primary care.
New fossil evidence shows that ancient primates – including one of the oldest known, Teilhardina brandti – had specialized grooming claws as well as nails. The findings, published online in the Journal of Human Evolution, suggest the transition from claws to nails was more complex than previously thought.
A team of University of Chicago scientists ran quantum simulations to develop a new model of the behavior of water at extremely high temperatures and pressures. The computational measurements, published June 18 in the Proceedings of the National Academy of Sciences, should help scientists understand water’s role in the makeup of the mantle and potentially in other planets.
Patients diagnosed with pancreatic cancer can develop elevated blood sugar levels up to three years before their cancer diagnosis, according to the results of a study by Mayo Clinic researchers published the journal Gastroenterology.
Seis genes contêm mutações que podem ser transmitidas entre familiares, o que aumenta substancialmente o risco de uma pessoa ter câncer de pâncreas, de acordo com a pesquisa da Mayo Clinic publicada na edição de 19 de junho da JAMA. Contudo, como os pesquisadores descobriram essas mutações genéticas em pacientes sem histórico familiar de câncer de pâncreas, eles recomendam testes genéticos para todos os pacientes com câncer de pâncreas como o novo padrão de tratamento.
Let’s talk! Scientists demonstrate coherent coupling between a quantum dot and a donor atom in silicon, vital for moving information inside quantum computers.
Using shotgun DNA sequencing, Cornell University researchers have demonstrated a new method for monitoring urinary tract infections (UTIs) that surpasses traditional methods in providing valuable information about the dynamics of the infection as well as the patient’s biological response.
根据6月19日在《美国医学会杂志》（JAMA.）上发表的一项Mayo Clinic的研究报告，六个基因含有可能在家系中传递的突变，这大大增加了一个人患pancreatic cancer的风险。 然而，由于研究人员在没有胰腺癌家族史的患者中也发现了这些基因突变，他们建议新的医疗标准来对所有胰腺癌患者进行基因检测。
In a paper published in Nature, a team led by Uli Wiesner, the Spencer T. Olin Professor of Engineering in the Department of Materials Science and Engineering at Cornell University, reports discovery of 10-nanometer, individual, self-assembled dodecahedral structures – 12-sided silica cages that could have applications in mesoscale material assembly, as well as medical diagnosis and therapeutics.
Engineers have created an electronic skin that, when layered on top of prosthetic hands, can restore a sense of touch through the fingertips.
Scientists from the University of Georgia have calculated the potential global impact of China's ban plastic waste imports and how the policy might affect efforts to reduce the amount of plastic waste entering the world’s landfills and natural environment.
In a new study of breast cancer patients who had breast reconstruction, researchers examine complications across the different types of surgeries. For many women facing treatment for breast cancer, breast reconstruction after mastectomy is a quality of life issue. It is linked with feeling more feminine, or “whole again” after surgery.
• Chameleons change color by controlling the spacing among nanocrystals on their skin • Northwestern’s nanolaser changes color similarly — by controlling the spacing among metal nanoparticles • By stretching and releasing an elastic substrate, the nanoparticles move further apart or closer together to control color
Over 12 Years, NAEP Scores for Multilingual Students Improved Two to Three Times More Than for Monolingual Students
A new University of Washington study finds that the impacts of parent work schedules on children vary by age and gender, and often reflect which shift a parent works. Rotating shifts — a schedule that varies day by day or week by week — can be most problematic for children.
Gender and posture -- not screen time -- are the biggest risk factors behind developing "iPad neck," says a UNLV study published this month in The Journal of Physical Therapy Science.
Researchers at the University of Colorado Boulder have helped to find the last reservoir of ordinary matter hiding in the universe.
Rutgers Professor Stephen Crystal, who co-authored a pioneering study showing that U.S. survivors of opioid overdoses are highly likely to die within a year from drug use–related causes, suicide and wide-ranging diseases, is available for interviews. The study was published online in JAMA Psychiatry today.
Tenants in the slums of Nairobi, Kenya, receive drastically inferior household services and pay more rent compared to those in its formal settlements, according to new research from the University at Buffalo School of Management.
Like fingerprints or DNA, a human's microbiome can be used to trace their whereabouts
Allergic asthma is a chronic inflammatory disease of the lung and airways driven, at least in part, by, a subgroup of overly active T helper cells. Thus, to devise better treatments, it is essential to determine how this cell population, known as TH2 cells, develops, matures and then crosses the line between protection and tissue damage.
Scientists conducting one of the largest full DNA analyses of a rare disease have identified a gene mutation associated with a perplexing brain condition that blinds and paralyzes patients.
Cornell University researchers have discovered there is a division of labor among immune cells that fight invading pathogens in the body.
Gay and bisexual men are disproportionately affected by HIV/AIDS illness and death in the U.S., accounting for 70 percent of new HIV infections. Furthermore, among men who have sex with men (MSM), black MSM are disproportionately at risk of HIV infection. Alcohol consumption may play a role in HIV transmission because it can lead individuals to have sex without using a condom. This study examined the links between condom use and drinking, before and during sex, and alcohol-use problems.
A recent study co-authored by a Johns Hopkins University researcher shows, savvy sellers can present the promotions in ways that may boost profits while also satisfying customers. The paper’s findings refute the common belief that sales promotions are best applied to unpopular products.
In an effort to improve stroke recognition and reduce life-threatening pre-hospital delays worldwide, researchers at Penn Medicine created a universal stroke awareness program, Stroke 112.
An age group analysis of data from the ADvance trial has shown that participants over the age of 65 continue to derive the most benefit from Deep Brain Stimulation of the fornix (DBS-f), as observed in the data from the phase 2 findings (12 – 24 months) of the Phase II trial.
Unlike humans, crops in a field can't move to air conditioning to endure a heat wave. Scientists in Australia are working to understand how heat waves impact wheat.
In what researchers are calling a game changer for future ataxia treatments, a new study showed the ability to turn down the disease progression of the most common dominantly inherited ataxia, Spinocerebellar ataxia type 3 (SCA3), also known as Machado-Joseph disease. A single gene mutation causes this neurodegenerative disease, making it an ideal target for researchers.
Human activities have impacted the Earth’s atmosphere over time. To better understand the impact of the human biogeochemical footprint on Earth, scientists at the University of California San Diego are literally climbing mountains to study the planet’s sulfur cycle—an agent in cardiovascular fitness and other human health benefits and resources.
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