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Medicine15 May 2023

Dementia study reveals how toxic proteins spread through brain

Fresh insights into the spread of damaging proteins that build up in the brains of people with Alzheimer’s disease could hold the key to stopping the condition progressing, a study says. Researchers have discovered that synapses, which send essential signals through the brain, are also transporting toxic proteins known as tau around the brain. Large clumps of the protein tau – called tangles – form in brain cells and are one of the defining features of Alzheimer’s disease. As these tangles spread through the brain during the disease there is a decline in ...

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Medicine15 May 2023

Combined delivery of engineered virus with immunotherapy is safe and improves outcomes in subset of patients with glioblastoma

HOUSTON ― Intratumoral delivery of an engineered oncolytic virus (DNX-2401) targeting glioblastoma (GBM) cells combined with subsequent immunotherapy was safe and improved survival outcomes in a subset of patients with recurrent GBM, according to results from a multi-institutional Phase I/II clinical trial co-led by researchers at The University of Texas MD Anderson Cancer Center and the University of Toronto. The study, published today in Nature Medicine, met its primary safety endpoint and demonstrated the combination was well tolerated overall with no dose-limiting toxicities. The study did not meet its primary efficacy endpoint of objective response rate, but ...

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Medicine15 May 2023

Mass General Brigham investigators identify new genetic variant protective against Alzheimer's disease

A single patient can spark new research questions and provide answers about a disease. And when a new case is identified, investigators can make connections between them that can lead to even more powerful and persuasive ideas about cause and treatment. In a publication today in Nature Medicine, an international team led by investigators from two Mass General Brigham hospitals — Massachusetts General Hospital (MGH) and Mass Eye and Ear — reports on a new case of a patient with a genetic predisposition for developing early-onset Alzheimer’s disease who remained cognitively intact until his late 60s. Through clinical assessments ...

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Earth Science15 May 2023

Out of this world control on Ice Age cycles

A research team, composed of climatologists and an astronomer, have used an improved computer model to reproduce the cycle of ice ages (glacial periods) 1.6 to 1.2 million years ago. The results show that the glacial cycle was driven primarily by astronomical forces in quite a different way than it works in the modern age. These results will help us to better understand the past, present, and future of ice sheets and the Earth’s climate. Earth’s orbit around the Sun and its spin axis orientation change slowly over time, due to the pull of gravity from the Sun, the Moon, and other planets. These astronomical forces affect the environment on Earth due to changes in ...

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Medicine15 May 2023

Methylated cyclodextrin effectively prevents the crystallization of supersaturated drugs

In the medicine market, most newly introduced drugs and drug candidates show poor water solubility, which prevents their absorption in the body. This, in turn, limits their therapeutic efficiency. Solubilizing agents such as cyclodextrins (CDs) are commonly employed to enhance their solubility. CDs have a cyclic structure featuring a hydrophilic exterior and a hydrophobic cavity inside that can enclose drug molecules to form inclusion complexes. However, solubilization does not necessarily enhance drug adsorption in the body, since the solubilized drugs cannot ...

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Engineering15 May 2023

Translating science into impact: Cane-Bridge Foundation donates $1M to Boyce Thompson Institute for Innovative Translational Research Program

Ithaca, NY (May 15, 2023) - Today, the Boyce Thompson Institute (BTI) is taking a significant step forward in its mission to bridge the gap between scientific discovery and real-world application. Thanks to a generous $1M gift from the Cane-Bridge Foundation, BTI has launched an innovative translational program called "Project Vault!" to propel plant science discoveries into applications that tackle global life science challenges. "The Cane-Bridge Foundation's support is vital to accelerate ...

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Physics15 May 2023

Latest research provides SwRI scientists close-up views of energetic particle jets ejected from the Sun

SAN ANTONIO — May 15, 2023 —Southwest Research Institute (SwRI) scientists observed the first close-ups of a source of energetic particles expelled from the Sun, viewing them from just half an astronomical unit (AU), or about 46.5 million miles. The high-resolution images of the solar event were provided by ESA’s Solar Orbiter, a Sun-observing satellite launched in 2020. “In 2022, the Solar Orbiter detected six recurrent energetic ion injections. Particles emanated along the jets, a signature of magnetic reconnection involving ...

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Energy15 May 2023

New project to design building skins to retrofit energy-inefficient structures

Older buildings tend to leak heat through their walls, requiring much more energy to maintain a comfortable temperature in summer or winter. Those constructed prior to the late 1970s rarely meet today’s more rigorous energy standards. And yet they account for large proportion of the buildings standing today. In the US, about 44% of the residential building stock was built before 1970 and about half of the commercial buildings that exist today were built before the 1980s, which creates a significant need for energy retrofitting to reduce environmental impact. A new industry-academic collaboration between Jefferson and Lightweight ...

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Medicine15 May 2023

Heat-loving marine bacteria can help detoxify asbestos

Asbestos materials were once widely used in homes, buildings, automobile brakes and many other built materials due to their strength and resistance to heat and fire, as well as to their low electrical conductivity. Unfortunately, asbestos exposure through inhalation of small fiber particles has been shown to be highly carcinogenic. Now, for the first time, researchers from the University of Pennsylvania have shown that extremophilic bacteria from high temperature marine environments can be used to reduce asbestos’ toxicity. The research is published in ...

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Medicine15 May 2023

First-in-human trial of oral drug to remove radioactive contamination begins

WHAT: A first-in-human clinical trial of an experimental oral drug for removing radioactive contaminants from inside the body has begun. The trial is testing the safety, tolerability and processing in the body of escalating doses of the investigational drug product HOPO 14-1 in healthy adults. The National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, is funding the Phase 1 trial, which is sponsored and conducted by SRI International of Menlo Park, California. Internal radioactive contamination occurs when radioactive ...

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Science15 May 2023

Crushed clams, roaming rays: acoustic tags reveal predator interactions

Clam leases are designated underwater locations used to produce hard clams of all sizes from littlenecks to chowders. Clam production or aquaculture can be a risky business due in part to unwanted marine intruders. Among them, stealthy and highly mobile rays. The Indian River Lagoon is one key location used for hard clam (Mercenaria mercenaria) aquaculture operations along Florida’s Atlantic coast. Clam fishermen have anecdotally reported seeing rays in clam leases and suspect that their interactions could result in damaged aquaculture gear and crushed clams. After all, ...

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Science15 May 2023

EPA's new PFAS rules don’t account for major source of drinking water contamination

CAPE COD, MASSACHUSETTS – Earlier this year, the US Environmental Protection Agency proposed maximum allowable levels in drinking water for six PFAS (per- and polyfluoroalkyl substances) – so-called forever chemicals. But the draft standards do not account for half of the PFAS at contaminated sites across the country. The findings are from a team led by the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and are published in the journal Environmental Science & Technology. PFAS are present in fire retardant foams ...

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Environment15 May 2023

Communities of color disproportionately exposed to PFAS pollution in drinking water

Embargoed for release: Monday, May 15, 2023, 8:00 AM ET Boston, MA – People who live in communities with higher proportions of Black and Hispanic/Latino residents are more likely to be exposed to harmful levels of per- and polyfluoroalkyl substances (PFAS) in their water supplies than people living in other communities, according to a new study led by researchers from Harvard T.H. Chan School of Public Health. The researchers link this finding to the disproportionate siting of sources of PFAS pollution—such ...

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Science15 May 2023

WFIRM bioprinting research makes history when it soars to the ISS

WINSTON-SALEM, NC – MAY 15, 2023 – The Wake Forest Institute for Regenerative Medicine (WFIRM) will make history this month when the first bioprinted solid tissue constructs soar to the International Space Station (ISS) on board the next all private astronaut mission by commercial space leader Axiom Space. The Axiom Mission 2 (Ax-2) launch by Houston-based Axiom Space is launching from Florida’s Kennedy Space Center. The crew will conduct extensive scientific research experiments including WFIRM’s vascularized tissue research – which won first place in the NASA Vascular Tissue Challenge in 2021. Liver ...

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Science15 May 2023

Smartphone use goes up in city parks, but down in forests

While a visit to the great outdoors is a common prescription for reducing screen use, a pioneering new study finds that time outdoors doesn’t always reduce smartphone screentime. The new research, which tracked smartphone activity of 700 study participants for two years, reveals that participants’ smartphone activity actually increased during visits to city parks and other urban green spaces. With smartphone use rising worldwide, the study clearly identifies a powerful way to reduce screen time: participants who visited nature reserves or forests saw significant declines in screentime over the first three hours, ...

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Medicine15 May 2023

New study finds the placenta, not only the brain, plays a central role in genetic risk of schizophrenia

BALTIMORE, Md. (May 15, 2023) – More than 100 genes linked to the risk of schizophrenia seem to cause illness because of their role in the placenta rather than in the developing brain, according to a new study led by the Lieber Institute for Brain Development. Scientists had generally assumed for over a century that genes for schizophrenia risk were principally, if not exclusively, about the brain. But the latest research, just published in Nature Communications, found that the placenta plays a much more significant role in developing illness than previously known. “The secret of the genetics of schizophrenia has been hiding in plain ...

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Science15 May 2023

Wide-ranging strategies needed to eliminate racial and ethnic inequities in stroke care

Statement Highlights: In a review of the latest research, few stroke studies addressed racist policies, such as residential segregation, or social determinants of health, such as neighborhood deprivation, walkability or security; food availability; economic stability; education quality; or employment and health insurance, all of which play a role in stroke incidence, care and outcomes. The statement summarizes research on interventions to address racial and ethnic disparities in stroke care and outcomes. Additional research is needed to determine ...

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Environment15 May 2023

Coastal lights trick coral reefs into spawning earlier than they should

The light pollution caused by coastal cities can trick coral reefs into spawning outside of the optimum times when they would normally reproduce, a new study has found. Coral broadcast spawning events – in which lunar cycles trigger the release of eggs on certain nights of the year – are critical to the maintenance and recovery of reefs following mass bleaching and other similar events. However, using a combination of light pollution data and spawning observations, researchers were able to show for the first time that ...

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Medicine15 May 2023

New algorithm can predict diabetic kidney disease

LA JOLLA, CALIF. – May 15, 2023 – Researchers from Sanford Burnham Prebys and the Chinese University of Hong Kong have developed a computational approach to predict whether a person with type 2 diabetes will develop kidney disease, a frequent and dangerous complication of diabetes. Their results, published in Nature Communications, could help doctors prevent or better manage kidney disease in people with type 2 diabetes. “This study provides a glimpse into the powerful future of predictive diagnostics,” says co-senior author Kevin Yip, Ph.D., a professor and director of Bioinformatics ...

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Science15 May 2023

National Poll: 2 in 3 parents not confident they can tell whether used children’s equipment is safe

Cribs, strollers and other infant and child equipment can be expensive and most families in a new national poll agree that it’s wasteful to buy these items new when they’re needed for such a short time. But while half of parents say they have used pre-owned equipment for babies and young children, two in three acknowledge that it’s difficult to always know whether it’s safe for their child, according to the University of Michigan Health C.S. Mott Children’s Hospital National Poll on Children’s Health. “Used child essentials ...

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Medicine15 May 2023

Managing cardiovascular disease risk factors may help preserve physical function as we age

Managing cardiovascular disease (CVD) risk factors may play a role in preserving physical function during the aging process, according to new research published today by The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences. “Approximately 10% of older adults have muscle weakness and diminished physical function that leads to adverse health outcomes and physical disability,” said lead author Dr. Shivani Sahni. “Since loss of physical function contributes to reduced mobility, disability, institutionalization, and mortality, management of CVD risk factors can help preserve physical function with age,” ...

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Medicine15 May 2023

The Endocrine community joins forces on European Hormone Day to raise awareness of vital role of hormones in preventing and treating rare and chronic diseases

PRESS RELEASE EMBARGOED TO 15 MAY 2023 Contact: Victoria Withy Head of Marketing, Communications and Membership E: victoria.withy@ese-hormones.org M: +44 (0) 7761 800855 Today, 15 May 2023, the European Society of Endocrinology (ESE), the European Hormone and Metabolism Foundation (ESE Foundation) and other partners are marking the second European Hormone Day. European Hormone Day brings together all those with an interest in endocrine health and disease to promote a better understanding of the role of hormones and encourage a collective call for change about ...

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Environment15 May 2023

How old is that microplastic? A new way to estimate the age of microplastics in the upper ocean

Fukuoka, Japan—Researchers from Kyushu University and Asahi Kasei Corporation have developed a new way to estimate the age of microplastics found in the upper oceans. The method involves a combination of analyzing plastic oxidation levels with environmental factors such as UV exposure and ambient temperature. The team applied their new method to estimate the age of microplastics found in nearshore and offshore sites in the North Pacific Ocean. They found that the age of microplastics in nearshore regions ranged from 0 to 5 years old, whereas microplastics from offshore regions ranged from 1 to 3 years old. Their ...

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Space15 May 2023

New deal inked to space test meta-optical surfaces

A new engineering study has been commissioned by the European Space Agency (under PECS, the Program for European Cooperating States), to prove the reliability of meta-optical elements for space use in a collaboration between the ESA, Bulgarian start-up company LaboraXpert and TMOS, the Australian Research Council Centre of Excellence for Transformative Meta-Optical Systems. In the first study of its kind, it will determine whether meta-optical components can withstand the pressures of space launch and prolonged exposure to the space environment. TMOS Centre Director Prof. Dragomir Neshev says, “The demand for Earth observation data is growing, yet the industry still faces the ...

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Medicine15 May 2023

Scientists create first humanised mouse model for rare genetic disease

Mice with a defected human gene responsible for a rare genetic disease, called congenital adrenal hyperplasia, have been developed for the first time. The achievement, presented at the 25th European Congress of Endocrinology, may help to develop new therapies for people with the most common type of congenital adrenal hyperplasia. Congenital adrenal hyperplasia (CAH) is a group of inherited conditions, which affects about 1 in 15,000 births. In the most common form, called 21-hydroxylase deficiency, mutations in the CYP21A2 gene cause the adrenal glands ...

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