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Researchers at KI and SLU have discovered that spider silk proteins can be fused to biologically active proteins and be converted into a gel at body temperature. One of the goals is to develop an injectable protein solution that forms a gel inside the body, which could be used in tissue engineering and for drug release, but also make gels that can streamline chemical processes where enzymes are used. The study is published in Nature Communications.
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Researchers at Karolinska Institutet and SciLifeLab describe in a study published in Science how they have improved the ability of a protein to repair oxidative DNA damage and created a new protein function. Their innovative technique can lead to improved drugs for diseases involving oxidative stress, such as cancer, Alzheimer’s disease and lung diseases, but the researchers believe it has even greater potential.
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Using advanced microscopy techniques, researchers at Karolinska Institutet and Stockholm University have visualized in unprecedented detail the machinery that the cells’ powerhouses, the mitochondria, use to form their proteins. The results, which are published in Nature, raise hopes of more specific antibiotics and new cancer drugs in the future.
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Researchers at Karolinska Institutet in Sweden have developed a tiny sensor for detecting pesticides on fruit in just a few minutes. The technique, described as a proof-of-concept in a paper in the journal Advanced Science, uses flame-sprayed nanoparticles made from silver to increase the signal of chemicals. While still at an early stage, the researchers hope these nano-sensors could help uncover food pesticides before consumption.
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The causes of complex diseases can be identified by representing them in the form of mathematically produced networks. This method was used to find bacteria that drive atopic dermatitis, for example.
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In a new study published in Science, researchers at Yale University, in collaboration with researchers at Karolinska Institutet, have developed a technique that gives very precise information about the location of activated and inactivated genes in a specific tissue. This can provide important knowledge about how different tissues develop and how epigenetic regulation contributes to the development of disease.
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KI researchers have together with international collaborators completed a comprehensive international validation of artificial intelligence (AI) for diagnosing and grading prostate cancer. The study, published in Nature Medicine, shows that AI systems can identify and grade prostate cancer in tissue samples from different countries equally well as pathologists. The results suggest AI systems are ready to be responsibly introduced as a complementary tool in prostate cancer care, researchers say.
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Researchers at Karolinska Institutet have developed an AI-based tool that improves the diagnosis of breast cancer tumours and the ability to predict the risk of recurrence. The greater diagnostic precision can lead to more personalised treatment for the large group of breast cancer patients with intermediate risk tumours. The results are published in the scientific journal Annals of Oncology.
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Spider silk is one of the strongest materials available and researchers have long tried to develop artificial spider silk, for example, for medical and industrial use. In a study published in Materials Today, researchers at Karolinska Institutet and Swedish University of Agricultural Sciences (SLU – Sveriges lantbruksuniversitet) have now developed spider silk that can be produced in larger volumes without strong chemicals.
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Researchers at Karolinska Institutet have developed a technology for cost-effective surveillance of the global spread of new SARS-CoV-2 variants. The technique is presented in the scientific journal Nature Communications.
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Researchers at the Karolinska Institutet, University of Oxford and University of Copenhagen have shown that elevated levels of lipids known as ceramides can be associated with a ten-fold higher risk of death from cardiovascular disease. Treatment with liraglutide could keep the ceramide levels in check, compared with placebo. The results have been published in the Journal of the American College of Cardiology.
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MRSA skin infections are often treated with intravenous injection of antibiotics, which can cause significant side effects and promote the development of resistant bacterial strains. To solve these problems, researchers at Karolinska Institutet in Sweden are developing a microneedle patch that delivers antibiotics directly into the affected skin area. New results published in Advanced Materials Technologies show that the microneedle patch effectively reduces MRSA bacteria in the skin.
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A study involving researchers at Karolinska Institutet and IMBA – Institute of Molecular Biotechnology of the Austrian Academy of Sciences – demonstrates how zika and herpes viruses can lead to brain malformations during early pregnancy. The researchers used 3D models of human brains to study which mechanisms are involved in virus-induced microcephaly, a condition where babies are born with smaller-than-usual heads. The results are published in the journal Cell Stem Cell.
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Using artificial intelligence and mobile digital microscopy, researchers hope to create screening tools that can detect precursors to cervical cancer in women in resource-limited settings. A study led by researchers at Karolinska Institutet and University of Helsinki now shows that AI screenings of pap smears carried out with portable scanners were comparable to analyses done by pathologists. The results are published in the journal JAMA Network Open.
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In a new study, researchers at Karolinska Institutet in Sweden have used a urine test to identify and verify a patient’s type of asthma. The study, which has been published in the American Journal of Respiratory and Critical Care Medicine, lays the foundation for a more personalized diagnosis and may result in improved treatment of severe asthma in the future.
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Stem cell research is the prerequisite for regenerative medicine, which with the help of the body's cells recreates and heals important organs. Now, researchers at Karolinska Institutet, SickKids in Canada and KU Leuven in Belgium have found a method for defining the most general type of stem cells, that can develop into all cell types in the body. The study of totipotent stem cells in mice has been published in Nature Cell Biology.
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While proteins on the surface of cells are the targets for most drugs, refined methods are needed to analyse how these membrane proteins are organised. Researchers at Karolinska Institutet have developed a new DNA-based analytical method that could contribute to the development of future drugs for breast and other cancers. The study is published in Nature Nanotechnology.
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The Center for the Advancement of Integrated Medical and Engineering Sciences, AIMES, is a collaboration between KTH Royal Institute of Technology and Karolinska Institutet, in partnership with Getinge, with the vision to enhance the exchange of expertise within academia and industry. The center was officially inaugurated on 30 September 2020, in Biomedicum, Solna (and via Youtube).
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Researchers at Karolinska Institutet have developed a method for fast, cheap, yet accurate testing for COVID-19 infection. The method simplifies and frees the testing from expensive reaction steps, enabling upscaling of the diagnostics. This makes the method particularly attractive for places and situations with limited resources, for repeated testing and for moving resources from expensive diagnostics to other parts of the care chain. The study is published in Nature Communications.
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Researchers at Karolinska Institutet in Sweden have identified a small neutralizing antibody, a so-called nanobody, that has the capacity to block SARS-CoV-2 from entering human cells. The researchers believe this nanobody has the potential to be developed as an antiviral treatment against COVID-19. The results are published in the journal Nature Communications.
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A blood test on hospital admission showing the presence or absence of SARS-CoV-2 can identify patients at a high risk of severe COVID-19. Admitted patients without virus in their blood have a good chance of rapid recovery. This according to researchers at Karolinska Institutet and Danderyd Hospital in a new study published in the scientific journal Clinical Infectious Diseases.
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Researchers at Karolinska Institutet and Karolinska University Hospital in Sweden have compared the ability of three different artificial intelligence (AI) algorithms to identify breast cancer based on previously taken mammograms. The best algorithm proved to be as accurate as the average radiologist. The results, published in JAMA Oncology, may lead the way in reorganising breast cancer screening for the future.
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Researchers at Karolinska Institutet are part of a consortium granted almost 66 million euros (690 million Swedish kronor) by the european Innovative Medicines Initiative (IMI) and other parties. The funds will be used to develop, test and facilitate access to chemical substances and other research tools that could pave the way for new drug targets and treatments of diseases within areas such as inflammation and cancer.
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Researchers at Karolinska Institutet have developed a new sequencing method that makes it possible to map how DNA is spatially organised in the cell nucleus – revealing which genomic regions are at higher risk of mutation and DNA damage. The technique is described in an article published in the scientific journal Nature Biotechnology.
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Researchers at Karolinska Institutet have together with researchers in China developed a new diagnostic test for COVID-19. The test can be performed without advanced laboratory equipment and deliver the result in about half an hour, according to a study published in the journal Clinical Chemistry. The researchers are now working on verifying the test results on confirmed COVID-19 patients at the Karolinska University Hospital.
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Researchers worldwide are trying to develop a vaccine and antiviral treatments against the new corona virus spreading in China. At Karolinska Institutet, virus researchers Ali Mirazimi and Matti Sällberg are working to develop a prototype vaccine against the virus. But vaccine development takes time, and it will likely take at least six to nine months before an application for clinical studies can be filed and another two to three years before a vaccine could be ready for the public.
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A multiple organ-on-chip platform developed by researchers at KTH Royal Institute of Technology, Karolinska Institutet and Harvard University could drastically accelerate drug testing. The technology, described today in Nature Biomedical Engineering, provides accurate predictions of drug effects prior to clinical testing.
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A new digital tool that tailors specific questions based on a patient's medical history could improve the safety of diagnosis and effectiveness of care, according to a new study at Danderyd Hospital and Karolinska Institutet published in BMJ Open.
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More than 200 people have died and thousands more have been sickened by the new corona virus spreading in China. A few cases have been confirmed outside China, and the World Health Organization is closely monitoring the situation. How worried about a new pandemic should we be? Virus researcher Ali Mirazimi, adjunct professor at the Department of Laboratory Medicine at Karolinska Institutet, gives us his perspective.
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Two new research programmes focusing on AI and bioelectronic medicine, for application in the areas of breast cancer and inflammatory disease, respectively, have been adopted at MedTechLabs. An interdisciplinary centre run by KTH, Karolinska Institutet and the Stockholm Region.
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Researchers at Karolinska Institutet have developed a method based on artificial intelligence for histopathological diagnosis and grading of prostate cancer. The AI-system has the potential to solve one of the bottlenecks in today’s prostate cancer histopathology by providing more accurate diagnosis and better treatment decisions. The study, presented in The Lancet Oncology, shows that the AI-system is as good at identifying and grading prostate cancer as world-leading uro-pathologists.
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Whole-genome sequencing can be used to diagnose intellectual disability more accurately than other methods of genetic analysis, researchers at Karolinska Institutet report in the scientific journal Genome Medicine. Whole-genome sequencing using analytical tools developed by the researchers will now be introduced for first-line clinical diagnosis at Karolinska University Laboratory in Sweden.
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Researchers at Karolinska Institutet have developed a new cheap method that can identify highly heterogeneous tumours that tend to be very aggressive, and therefore need to be treated more aggressively. The technique is presented in the scientific journal Nature Communications.
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Researchers at Karolinska Institutet present a publicly available resource that can accelerate the use of so-called FISH techniques for studying how the genome is spatially organised in the cell nucleus. The new platform, which enables more cost-effective analyses for both research and diagnostic labs, is described in the scientific journal Nature Communications.
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KI webbförvaltning
08-06-2022