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New research from Karolinska Institutet and Columbia University shows that the heart has a mini-brain – its own nervous system that controls the heartbeat. A better understanding of this system, which is much more diverse and complex than previously thought, could lead to new treatments for heart diseases. The study, conducted on zebrafish, is published in Nature Communications.
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We are diving into a new season of NeurotechEU events for students and staff at the Karolinska Institute.
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Supervisors Michael Ratz and Kristiina Tammimies share how their students’ participation in NeurotechEU brought back tangible benefits and some exciting new possibilities.
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The Collaborative Research Projects will support new multidisciplinary collaborations for ambitious yet feasible research projects in all areas of Neuroscience. The aim is to promote multidisciplinary research though new and innovative collaborations of outstanding scientific quality.
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Audience: Medarbetare
To facilitate new and existing contacts between researchers and doctoral students as well as increase research collaboration across the NeurotechEU network, the KI NeurotechEU group is introducing the availability of limited competitive funds for a lab visit for PhD students and postdocs during Spring 2025.
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Audience: Medarbetare
The European University of Brain and Technology would like to invite you to come present your research at the next NeurotechEU meeting in Istanbul, Turkey!
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StratNeuro Welcomes New Board Members and Thanks Outgoing Members
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Unrestrained inflammation is associated with many diseases, including cardiovascular diseases, autoimmune diseases and cancer. Peder Olofsson wants to understand how nerve signals regulate inflammation to ultimately improve therapeutic options. Meet one of the new professors of Karolinska Institutet who will participate in this year's installation ceremony at Aula Medica on 3 October.
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It is through our sensory perception that we experience our environment and bodily sensations. François Lallemend is studying the mechanisms underlying these perceptions in the hope of finding new treatments for sensory impairment. Meet one of the new professors of Karolinska Institutet who will participate in this year's installation ceremony at Aula Medica on 3 October.
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Dementia with Lewy bodies is a type of dementia that is similar to both Alzheimer’s disease and Parkinson’s disease but studies on long-term treatments are lacking. A new study from Karolinska Institutet, published in Alzheimer’s & Dementia: The Journal of the Alzheimer's Association, highlights the potential cognitive benefits of cholinesterase inhibitor treatment.
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AI, artificial intelligence, can be used to identify molecules with great potential to be developed into new drugs for mental illnesses, according to researchers from Karolinska Institutet, among others. The study, which has been presented in the journal Science Advances, and conducted on mice, shows that AI with high precision can contribute to more effective future treatments for conditions such as psychosis.
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While mentally stimulating activities and life experiences can improve cognition in memory clinic patients, stress undermines this beneficial relationship. This is according to a new study from Karolinska Institutet published in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association.
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Zebrafish have a remarkable ability to heal their spinal cord after injury. Now, researchers at Karolinska Institutet have uncovered an important mechanism behind this phenomenon – a finding that could have implications for the treatment of spinal cord injury in humans.
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KI researcher Carl Sellgren has been awarded the Bjarne Ahlströms Minnesfonds pris 2023 (Bjarne Ahlström Memorial Fund Prize 2023) for his research in clinical neurology and how the loss of synapses (contacts between cells) in the brain could be a possible cause of schizophrenia.
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In two parallel projects, researchers at Karolinska Institutet have been involved in creating the most comprehensive atlases of human brain cells to date. The two studies, which are published in Science, provide clues on different brain diseases and give hope for medical advancements in the future, such as new cancer drugs.
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Researchers at Karolinska Institutet have identified a group of nerve cells in the mouse brain that are involved in creating negative emotional states and chronic stress. The neurons, which have been mapped with a combination of advanced techniques, also have receptors for oestrogen, which could explain why women as a group are more sensitive to stress than men. The study is published in Nature Neuroscience.
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Researchers at Karolinska Institutet have mapped how cells in the human spinal cord are formed in the embryo and what genes control the process. Their findings can give rise to new knowledge on how injury to and diseases of the spinal cord arise and how they can be treated. The study has been published in the journal Nature Neuroscience.
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The origins of the serious cancer-like disease LCH have been identified by researchers from Karolinska Institutet in collaboration with Karolinska University Hospital. The findings presented in Science Immunology may lead to new, targeted treatments.
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The Hans Wigzell Research Foundation (Hans Wigzells Forskningsstiftelse) awards its annual scientific prize to Professor Gonçalo Castelo-Branco. He receives the prize of SEK 925,000 for his important research around oligodendrocytes – a cell type which plays important roles in relation to how the human brain develops and functions.
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Bacterial meningitis is a life-threatening infectious disease of the brain that leaves many survivors with long-lasting neurological impairments. Now, researchers at Karolinska Institutet in Sweden show in a study on rats that the brain’s tool for waste clearance, the glymphatic system, malfunctions during bacterial meningitis, causing a buildup of toxic garbage that damages brain cells. The findings are published in the journal mBio.
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Researchers at Karolinska Institutet in Sweden might have found an explanation for why people with self-injury behaviour generally feel less pain than others. The key seems to be a more effective pain-modulation system, a discovery that can benefit people seeking help for their self-harm. The findings are published in the journal Molecular Psychiatry.
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Primary cilia are signaling structures projecting off cell surfaces like antennae. In humans, many different cell types are ciliated. The molecular underpinnings of making and maintaining ciliary identities and functional specializations often are crucial for cell functionality. Recently, researchers have found how the main ciliogenic transcription factor protein controlling overall cilia biology can switch to control ciliary specializations and thereby alters cell behavioral output.
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What smells we like or dislike is primarily determined by the structure of the particular odour molecule. A collaborative study involving researchers from Karolinska Institutet, Sweden, and the University of Oxford, UK, shows that people share odour preferences regardless of cultural background. The study is published in the journal Current Biology.
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The study, led by Professor Per Uhlén, presents a model and mechanism for how the risk gene CACNA1C can affect brain function and the risk of psychiatric illness.
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There is a correlation between the ability to understand complex syntax and the fine-motor skills required for manipulating tools. In a new study published in the journal Science, researchers at Karolinska Institutet and the French research institute Inserm show that the same cluster of neurons in the brain are involved in both skills. The study also shows that training with a tool improves language skills and vice versa.
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The 2021 Nobel Prize in Physiology or Medicine is about how people can feel temperature and touch. The discoveries explain basic functions in our lives and have opened doors to new treatments for pain, for example. We take it for granted, the fact that we can feel an icy wind, a hot plate or a hug, but how this actually works was unknown until it was discovered by the Nobel Laureates, a discovery made not so long ago.
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Researchers at Karolinska Institutet have participated in a large international research project that has identified all cell types in the motor cortex, the part of the brain that controls movement. The research has resulted in a detailed cell atlas presented in a large special package of scientific articles in Nature today. The long-term goal of the collaboration is to create a cell atlas of the whole brain in order to increase knowledge of brain diseases and contribute to better treatments.
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The Nobel Prize in Physiology or Medicine 2021 has been awarded jointly to David Julius and Ardem Patapoutian “for their discoveries of receptors for temperature and touch.”
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Neuroblastoma is a type of childhood cancer that develops in infants and young children. Whilst it is a relatively rare form of cancer, it is still responsible for approximately 15 percent of all cancer deaths in children. In a new study published today in Nature Communications, researchers at Karolinska Institutet have discovered that low-risk and high-risk neuroblastoma have different cell identities, which can affect the survival rate.
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Researchers at Karolinska Institutet and UCL have identified a general factor called ‘decision acuity’ that affects young people's decision-making ability, independent of IQ, and is associated with good social functioning. The results have been published in the journal Neuron.
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New research at Karolinska Institutet suggests a link between psychosis and a genetic change that affects the brain's immune system. The study published in Molecular Psychiatry may impact the development of modern medicines for bipolar disorder or schizophrenia.
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A large brain imaging study involving researchers at Karolinska Institutet demonstrates that same-sex sexual behaviour-related differences in the brain exist. Patterns in the brain that differentiate between men and women were less pronounced in non-heterosexual individuals, and some of the brain differences could be linked to a genetic predisposition for non-heterosexuality. The study is published in the scientific journal Human Brain Mapping.
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Disorders of the cells’ energy supply can cause a number of serious diseases, but also seem to be connected to ageing. More research is needed on mitochondrial function to find future treatments. A new study involving researchers at Karolinska Institutet shows how an important molecule inside the mitochondria affects their function in mice and fruit flies. The study, which is published in Science Advances, adds valuable knowledge on formerly relatively unexplored protein modifications.
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In the search for new ways to treat the incurable eye disease glaucoma, researchers at Karolinska Institutet and St. Erik Eye Hospital have discovered more clues as to its pathogenesis. A new study shows how metabolic disturbance of the neurons coincide with raised pressure in the eye. In animal and cell models, rapamycin and pyruvate treatments were shown to have a protective effect. The study is published in the journal PNAS.
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Researchers at Karolinska Institutet have studied the incidence and regional distribution of Alzheimer’s disease biomarkers in the brains of people with Down’s syndrome. The results can bring new possibilities for earlier diagnosis and preventive treatment of dementia. The study is published in Molecular Neurodegeneration.
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People with multiple sclerosis (MS) gradually develop increasing functional impairment. Researchers at Karolinska Institutet have now found a possible explanation for the progressive course of the disease in mice and how it can be reversed. The study, which is published in Science Immunology, can prove valuable to future treatments.
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Researchers at Karolinska Institutet have identified a protein in the brain that is important both for the function of the mood-regulating substance serotonin and for the release of stress hormones, at least in mice. The findings, which are published in the journal Molecular Psychiatry, may have implications for the development of new drugs for depression and anxiety.
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Spinal cord injury often leads to permanent functional impairment. In a new study published in the journal Science researchers at Karolinska Institutet show that it is possible to stimulate stem cells in the mouse spinal cord to form large amounts of new oligodendrocytes, cells that are essential to the ability of neurons to transmit signals, and thus to help repair the spinal cord after injury.
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New knowledge on the cellular makeup and growth of teeth can expedite developments in regenerative dentistry – a biological therapy for damaged teeth – as well as the treatment of tooth sensitivity. The study, which was conducted by researchers at Karolinska Institutet, is published in Nature Communications.
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Researchers at Karolinska Institutet describe molecular and cellular consequences of unique genetic mutations affecting the CASK gene which has been implicated in various neurodevelopmental disorders. Notably, the results indicate differences in the development of presynapses of inhibitory neurons in individuals with specific mutations. The findings elucidate key mechanisms during early neuronal maturation and may help to define targets for future drug discoveries for these disorders.
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Basing their research on an unexpected interspecies difference between rats and mice, researchers at Karolinska Institutet and Stockholm University have mapped a system in the brain that controls paternal behaviour towards offspring. A key component in this behaviour is the hormone prolactin, which prepares females for motherhood and has now been shown to control paternal behaviour as well. The study has been published in the journal Cell.
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In a new study researchers at Karolinska Institutet and KTH Royal Institute of Technology have developed a new kind of brain atlas based on an innovative method of mapping brain tissue into areas according to their molecular profile. The study is published in Science Advances.
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Childhood environment and socioeconomic status affect cognitive ability and brain development during adolescence independently of genetic factors, researchers at Karolinska Institutet report in a new study published in the journal PNAS. The study demonstrates how important the family environment is, not just during early infancy but also throughout adolescence.
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Researchers at Karolinska Institutet and the University of North Carolina have mapped out the cell types behind various brain disorders. The findings are published in Nature Genetics and offer a roadmap for the development of new therapies to target neurological and psychiatric disorders. One interesting finding was that cells from the gut's nervous system are involved in Parkinson's disease, indicating that the disease may start there.
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Researchers at Karolinska Institutet and St Erik Eye Hospital in Sweden have discovered a way to refine the production of retinal cells from embryonic stem cells for treating blindness in the elderly. Using the CRISPR/Cas9 gene editing, they have also managed to modify the cells so that they can hide from the immune system to prevent rejection. The studies are published in the scientific journals Nature Communications and Stem Cell Reports.
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Their researches on the lamprey brain has enabled researchers at Karolinska Institutet in Sweden to push the birth of the cortex back in time by some 300 million years to over 500 million years ago, providing new insights into brain evolution. The study is published in the scientific journal Nature Ecology & Evolution.
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An international team of scientists led by researchers at Karolinska Institutet has launched a comprehensive overview of all proteins expressed in the brain, published in the journal Science. The open-access database offers medical researchers an unprecedented resource to deepen their understanding of neurobiology and develop new, more effective therapies and diagnostics targeting psychiatric and neurological diseases.
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Researchers at Karolinska Institutet in Sweden and the University of Milan in Italy have identified a gene in human neurons that protects against the degeneration of motor neurons in the deadly diseases ALS and SMA. Gene therapy in animal models of these diseases was shown to protect against cell death and increase life expectancy. The study is published in the eminent journal Acta Neuropathologica.
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In a recent study, researchers from the Karolinska Institutet show that the estrogen receptor beta (ERß) affects nerve signals in the part of the brain that controls locomotor activity. The results highlight the importance of ERß and the female sex hormone estrogen in brain development and function, and that an imbalance of the hormone could contribute to neuropsychiatric disorders.
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Researchers at Karolinska Institutet have mapped how different nerve cells in the brain area striatum process information to plan and execute our movements at just the right time and with the right vigour. The results, presented in the journal Cell Reports, show that different cell types in the striatum receive signals from completely different parts of the cerebral cortex and thus respond to different types of information.
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KI webbförvaltning
11-06-2024