New study reveals how human astroviruses bind to humans cells and paves the way for new therapies and vaccines Human astroviruses are a leading viral cause of the stomach bug—think vomiting, diarrhea, and fever. It often impacts young children and older adults, leading to vicious cycles of sickness and malnutrition, particularly for those in low and middle income countries. It’s very commonly found in wastewater studies, meaning it’s frequently circulating in communities. As of now, there are no vaccines for…
Researchers from the Leibniz Institute on Aging in Jena and the Brandenburg University of Technology Cottbus-Senftenberg have discovered a novel treatment approach for soft tissue tumors, which are frequently occurring in children and are often malignant. Through the targeted transformation of the tumor cells into muscle cells, they succeeded in stopping the growth of the cells and thereby the growth of the tumor. This opens completely new therapeutic options in cancer treatment. Rhabdomyosarcoma, a malignant tumor, is one of the…
A research team led by Prof. CHEN Chilai from Institute of Intelligent machines, Hefei Institutes of Physical Science (HFIPS) of Chinese Academy of Sciences (CAS), developed the deep-sea mass spectrometer. Recently, it successfully completed multiple sea trials in a specific area of deep sea. The research results were published in Chinese Journal of Analytical Chemistry. The extreme environments of the deep sea have shaped unique biological processes and harbor significant mineral resources, making their detection a frontier issue in international Earth science research….
University of Ottawa team advances clear vision for eye repair. With potential to impact millions, study finds that biomimetic materials pulsed with low-energy blue light can reshape damaged corneas, including thickening the tissue. An injectable biomaterial activated by pulses of low-energy blue light has tremendous potential for on-the-spot repair to the domed outer layer of the eye, a team of University of Ottawa researchers and their collaborators have revealed. Guided by biomimetic design—innovation inspired by nature—the multidisciplinary researchers’ compelling results show that a novel…
Researchers at the Max Planck Institute for Chemical Ecology in Jena and Johannes Gutenberg University in Mainz, Germany, report in a new study in the journal PNAS that the symbiosis of beewolves with their bacterial helpers includes protection of the symbionts from toxic nitric oxide, which beewolf eggs release to disinfect the brood cavity. The white secretion from the antennae of female beewolves, which also contains the symbionts, provides an effective diffusion barrier. Beewolves, a genus of solitary digger wasps,…
How does the brain adapt our behavior in response to an infection or injury? A multidisciplinary team of scientists from the Institut Pasteur, CNRS and Inserm have revealed the existence of a circuit involved in sensing and also in the regulation of the anti-inflammatory response orchestrated by different brain regions. This circuit detects inflammation in the blood and organizes and regulates the immune response. It embodies a two-way connection between the brain and immune system. The results were published on…
The tiny crustaceans are the first new gnathiid isopod to be discovered from the Floridian ecoregion in 100 years and are named after singer-songwriter Jimmy Buffett. An international team of scientists from the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science and the Water Research Group from the Unit for Environmental Sciences and Management at the North-West University in South Africa have discovered a new species of marine cryptofauna in the Florida Keys. Cryptofauna are the tiny,…
Artificial intelligence (AI) can use data from low-dose CT scans of the lungs to improve risk prediction for death from lung cancer, cardiovascular disease and other causes, according to a study published in Radiology, a journal of the Radiological Society of North America (RSNA). The U.S Preventive Services Task Force recommends annual lung screening with low-dose CT (LDCT) of the chest for individuals ages 50 to 80 years with a high risk of lung cancer, such as longtime smokers. Along…
Enzymes play a key role in cellular metabolic processes. To enable the quantitative assessment of these processes, researchers need to know the so-called “turnover number” (for short: kcat) of the enzymes. In the scientific journal Nature Communications, a team of bioinformaticians from Heinrich Heine University Düsseldorf (HHU) now describes a tool for predicting this parameter for various enzymes using AI methods. Enzymes are important biocatalysts in all living cells. They are normally large proteins, which bind smaller molecules – so-called…
Understanding the origins and preservation of biodiversity is crucial as human impact continues to threaten our planet’s rich variety of life. Often overlooked, narrow-ranged and evolutionary unique species play a vital role in shaping biodiversity. Their concentrated presence, quantified as phylogenetic endemism, reveals important centers of biogeographic and evolutionary history. A new study led by a team of international researchers at the University of Göttingen has now uncovered global patterns and factors influencing phylogenetic endemism in seed plants, providing invaluable…
Rhomboid proteases are a promising target for new drugs. Now researchers from the Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) have uncovered a mechanism for regulating enzyme activity. The key role is played by dynamics of the gate discovered a few years ago, which opens briefly when other proteins are cleaved. The results, based on various experimental and theoretical methods, have just been published in the Science Advances journal. They are located in the cell membrane and cleave other proteins, triggering a…
Around one third of people with heart disease suffer from sleep problems. In a paper published in the journal Science, a team at the Technical University of Munich (TUM) shows that heart diseases affect the production of the sleep hormone melatonin in the pineal gland. The link between the two organs is a ganglion in the neck region. The study demonstrates a previously unknown role of ganglia and points to possible treatments. The fact that melatonin levels can decrease in…
A new mRNA vaccine targeting immune cells in the liver could be the key to tackling malaria, a disease that causes over half a million deaths each year according to the World Health Organization, yet has no effective long-lasting vaccine. Trans-Tasman research collaborators from Te Herenga Waka— Victoria University of Wellington’s Ferrier Research Institute and the Malaghan Institute of Medical Research in New Zealand, and the Peter Doherty Institute for Infection and Immunity in Australia have developed an mRNA-based vaccine…
ISTA Scientists Successfully Model Cell Dynamics. Like us, cells communicate. Well, in their own special way. Using waves as their common language, cells tell one another where and when to move. They talk, they share information, and they work together – much like the interdisciplinary team of researchers from the Institute of Science and Technology Austria (ISTA) and the National University of Singapore (NUS). They conducted research on how cells communicate – and how that matters to future projects, e.g….
… records deep-brain activity in rats, without surgery. A new ultra-small and ultra-flexible electronic neural implant, delivered via blood vessels, can record single-neuron activity deep within the brains of rats, according to new study. “This technology could enable long-term, minimally invasive bioelectronic interfaces with deep-brain regions“, writes Brian Timko in a related Perspective. Brain-machine interfaces (BMIs) enable direct electrical communication between the brain and external electronic systems. They allow brain activity to directly control devices such as prostheses or modulate…
Researchers use X-ray photocrystallography to capture the key Rh-acylnitrenoid intermediate, elucidating the transition metal-nitrenoid transfer process. Led by Director CHANG Sukbok, scientists from the Center for Catalytic Hydrocarbon Functionalizations within the Institute for Basic Science (IBS) have made a breakthrough in understanding the structure and reactivity of a key intermediate in catalytic reactions. This intermediate, known as a transition metal-nitrenoid, plays a crucial role in converting hydrocarbons into amides, which are important in pharmaceuticals and materials science. In chemical reactions,…
Researchers at the University of Illinois Chicago have identified a process by which enzymes can help prevent heart damage in chemotherapy patients. The enzymes are normally found in a cell’s mitochondria, the powerhouse that produces energy. But when heart cells are put under stress from certain types of chemotherapy drugs, the enzymes move into the cell’s nucleus, where they are able to keep the cells alive. The paper is published in Nature Communications. “As chemotherapy has become more and more effective,…