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Klas Kärre, Professor Emeritus of Molecular Immunology at the Department of Microbiology, Tumor and Cell Biology, has been elected as an international member of the US National Academy of Sciences.
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A team of international researchers led by Karolinska Institutet has revealed in unprecedented detail how tetracycline antibiotics impair T cell function by binding mitochondrial ribosomes and inhibiting oxidative metabolism (OXPHOS). The study, reported in Nature Communications, raises mechanistic considerations for antibiotic therapy and the design of new molecules that can better discriminate between pathogen and host.
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A new study in Life Science Alliance reveals a key genetic connection between cancer susceptibility and tissue regeneration. Researchers at Karolinska Institutet identified a super-enhancer region upstream of the MYC gene essential for tumor development and tissue repair.
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Dr. Karolina Borankova, a member of Professor Nils-Göran Larsson's group at the Department of Medical Biochemistry and Biophysics at Karolinska Institutet, has been awarded the prestigious Postdoctoral Fellowship from Cancerfonden. The project aims to investigate whether mitochondrial DNA mutations that affect mitochondrial function, impact lung cancer growth and tumor burden.
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Biomedicum’s own health choir Biomusicum welcomes you to a spring concert on 7th April, in collaboration with the choir from the Public Health Agency of Sweden.
News
Audience: Medarbetare
Researchers at Karolinska Institutet have identified a new mechanism that may improve the treatment of ischemic stroke. The study, published in the Journal of Clinical Investigation, shows that the growth factor PDGF-CC and its receptor PDGFRα play a crucial role in scar formation in the brain after an ischemic stroke.
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The summer research school for high school students is Karolinska Institutet's initiative to introduce Swedish high school students to research during the summer. The Summer research school for high school students are now looking for motivated supervisors who are interested in supervising one or two high school students during this summer 2025.

News
Audience: Medarbetare
Mikrobiologi, tumör- och cellbiologi, Medicinsk biokemi och biofysik, Cell- och molekylärbiologi, Fysiologi och farmakologi
In a recently published study in Nature Structural and Molecular Biology, scientists from the Department of Medical Biochemistry and Biophysics at Karolinska Institutet, have discovered that water molecules play a crucial role in helping proteins, specifically transcription factors, read and regulate the human genome.
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Patricia Colque, a long-time co-worker at the Department of Microbiology, Tumor and Cell Biology at Karolinska Institutet, passed away earlier this week at the age of 77 years.
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Between October 3-4, 2024, five separate evacuation drills were carried out at Biomedicum. The drills were documented by Facility Management Biomedicum in order to analyze the organization's status, shortcomings, and needs.
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Audience: Medarbetare
Mikrobiologi, tumör- och cellbiologi, Medicinsk biokemi och biofysik, Fysiologi och farmakologi, Neurovetenskap, Cell- och molekylärbiologi
In diabetic kidney disease, fat accumulates in the kidneys, leading to lipotoxicity and kidney damage. A recently published study by Ulf Eriksson's research group at the Department of Medical Biochemistry and Biophysics at Karolinska Institutet shows that elevated levels of the protein VEGF-B in the kidney and adipose tissue correlate with increased fat accumulation in the kidney and impaired kidney function in patients with diabetic kidney disease.
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Following a procurement process, KI is switching to a new security contract with the supplier CSG. The new contract is valid from Friday 10 January.
News
Audience: Medarbetare
Jennie Eldh Bastman, the environmental and sustainability representative at Biomedicum, talks about the environmental initiatives that have been carried out throughout the year.
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Audience: Medarbetare
Researchers at Karolinska Institutet have discovered how the SARS-CoV-2 virus, which causes COVID-19, manipulates human proteins to replicate and evade the immune system. The results have been published in the scientific journal Nature Communications.

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On 26 November an experiment in a sounding rocket was launched at Esrange Space Center in Kiruna, Sweden by a research group at the Department of Microbiology, Tumor and Cell Biology (MTC) at Karolinska Institutet. The researchers aims to collect data for a study that examines how a type of immune cell, T cells, are affected by lack of gravity, called microgravity.
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In a recent study published in Nature Communications, scientists at the Department of Microbiology, Tumor and Cell Biology at Karolinska Institutet, in collaboration with Michigan State University, have introduced an innovative approach to improve plasma proteome profiling. The method enables the detection of low-abundance proteins in plasma.
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Researchers at the Department of Cell and Molacular Biology, Karolinska Institutet have made a major discovery in how human cells produce energy. Their study, published in the EMBO Journal, reveals the detailed mechanisms of how mitochondria process transfer RNA (tRNA) molecules, which are essential for energy production.
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The Swedish Research Council (Vetenskapsrådet) has decided on grant applications within Medicine and Health 2024. Researchers at the Department of Microbiology, Tumor and Cell Biology were granted over 36 Mkr together.
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A new collaborative study from Karolinska Institutet published in Science Advances shows that the levels of mitochondrial DNA (mtDNA) directly influence lung adenocarcinoma (LUAD) progression in mice. LUAD is a common subgroup of human lung cancer that typically contains high levels of mtDNA. The link between high mtDNA levels and tumor progression suggests that mtDNA may provide a new therapeutic target and a biomarker for stratifying patients.
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On October 3-4, Biomedicum carried out evacuation exercises. We ask questions about the exercise to Jennie Eldh Bastman from Facility Management (FM), who is responsible for fire safety at Biomedicum.
News
Audience: Medarbetare
Mikrobiologi, tumör- och cellbiologi, Medicinsk biokemi och biofysik, Fysiologi och farmakologi, Neurovetenskap, Cell- och molekylärbiologi, Kvinnors och barns hälsa, Medicinsk epidemiologi och biostatistik
Ernest Arenas, professor at Karolinska Institutet, passed away on September 15th at the age of 62. Dr. Arenas was widely known both within and outside Sweden as one of the pioneers in Parkinson’s disease research, with a strong commitment to developing better treatment strategies through cell replacement therapy.
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A new study published in Microbiome by researchers at Karolinska Institutet, suggests that a few well-timed samples could help predict long-term imbalances in vaginal health, which is linked to various health issues.
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Researchers have developed an industry-standard tool to facilitate drug development and translational research in collaboration between labs at Karolinska Institutet and the Gygi Lab at Harvard Medical School.
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We are happy to announce that our new sorter, Beckman Coulter CytoFLEX SRT is now in operation. This acquisition expands our sorting capacity, allowing us to better accommodate the needs of our customers.
News
Audience: Medarbetare
Medicinsk biokemi och biofysik, Neurovetenskap, Cell- och molekylärbiologi, Mikrobiologi, tumör- och cellbiologi, Facs Facilitet
A new e-mail list is now available for everyone working in Biomedicum: Forum Biomedicum. Here you can share and receive information about equipment, cultural events at KI, get advices etc.
News
Audience: Medarbetare
Mikrobiologi, tumör- och cellbiologi, Medicinsk biokemi och biofysik, Fysiologi och farmakologi, Neurovetenskap, Cell- och molekylärbiologi
Researchers at the Department of Medical Biochemistry and Biophysics at Karolinska Institutet characterize a novel GTPase involved in ribosome production in mitochondria. The study, published in Nature Communication, provides new insights into the process that enables mitochondria to produce energy.
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Björn Högberg has been assigned the role of Head of Department of Medical Biochemistry and Biophysics (MBB), starting on July 1, 2024.
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Audience: Medarbetare
Medicinsk biokemi och biofysik, Högberg
Björn Högberg har fått uppdraget som prefekt vid institutionen för medicinsk biokemi och biofysik (MBB), med start den 1 juli 2024.
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Audience: Medarbetare
Medicinsk biokemi och biofysik
Hello and Good bye
Summer is almost here and with it the much-needed holiday.
After the summer, Eva Palmer will no longer be the head of FM in Biomedicum
So we say good bye to Eva, but also hello to Johanna, the new head of FM.
News
Audience: Medarbetare
Mikrobiologi, tumör- och cellbiologi, Fysiologi och farmakologi, Medicinsk biokemi och biofysik, Neurovetenskap, Cell- och molekylärbiologi
Joanna Rorbach, Principal Researcher at the Department of Medical Biochemistry and Biophysics at Karolinska Institutet, receives The Ascending Investigator Grant from Novo Nordisk 2024.
News
Audience: Medarbetare
Medicinsk biokemi och biofysik, Rorbach
A study conducted by researcher Juan Du's research group at the Karolinska Institutet sheds light on the capabilities of our gut microbes and their metabolites. The findings reveal potent inhibitory effects on the growth of antibiotic-resistant bacteria and suggest interactions and signaling between gut microbes and pathogens.
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Camilla Björkegren has been appointed Head of the Department of Cell and Molecular Biology (CMB), starting June 1, 2024.
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A preclinical study from Karolinska Institutet offers hope for treating severe neurodegenerative diseases with an existing drug. The study suggests that the leprosy drug clofazimine may be effective in the treatment of Huntington’s disease.
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The 2024 Svedberg Prize is awarded to Björn Reinius, Department of Medical Biochemistry and Biophysics at Karolinska Institutet, for his discoveries regarding the gene regulation mechanisms of the X chromosome and his substantial impact on COVID-19 clinical diagnostics.
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A new publication in Nature Communications from researchers at Karolinska Institutet solves a long-standing problem by establishing a system that allows site-specific protein degradation within mitochondria, the cellular hubs for energy production and metabolism.
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A new study from Karolinska Institutet discovered that blocking the MYC tumor protein in kidney cancer cells leads to an increase in fat droplets, which are associated with tumor growth. The study provides crucial knowledge for identifying new therapeutic targets for treating this aggressive form of cancer.
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Lisa Westerberg has been appointed Professor of Experimental Immunology at the Department of Microbiology, Tumor and Cell Biology from 1 January 2024.
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On Saturday, November 18th, the KI Network Lifestyle4Health welcomed the public to an informative afternoon at Medicinska Föreningen at Karolinska Institutet. The afternoon was filled with lectures, health marker measurements, and practical "patient cases" that participants could analyse to suggest recommendations for lifestyle changes.
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In a recently published study, researchers at the Department of Medical Biochemistry and Biophysics (MBB) at Karolinska Institutet have questioned the old paradigm surrounding isotopes of light elements—carbon, hydrogen, nitrogen, and oxygen. These isotopes have now emerged as more powerful than one thought.
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The Mark Foundation for Cancer Research has awarded an 8 million SEK ASPIRE II Award to the Bennie Lemmens Research Group at the Department of Medical Biochemistry and Biophysics (MBB) at Karolinska Institutet. Supported by a previous ASPIRE I award, the team of Bennie Lemmens established state-of-the-art microscopy and DNA labeling techniques to study how human cells copy their DNA and respond to anticancer therapies, with unprecedented precision in time and space.
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A new study by Claudia Kutter’s research group at the Department of Microbiology, Tumor and Cell Biology (MTC) has identified potential pitfalls in the use of the gene editing technique CRISPR-Cas9, a gene scissors that is used for cancer treatments.
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The Consolidator Grant within Medicine and Health from the Swedish Research Council has been awarded to Georgios Sotiriou at the Department of Microbiology, Tumor and Cell Biology at Karolinska Institutet. The project aims to develop a holistic therapy of chronic wounds using nanoengineered solutions.
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In the Swedish Research Council (VR) latest call for medicine and health and natural and engineering sciences 2023, research grants of 26 197 750 SEK were distributed to six researchers at the Department of Medical Biochemistry and Biophysics for the years 2023-2028.
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A recently published study shows how nanoclusters of insulin can control insulin activity. The results can lead to new types of insulin drugs, senior author Ana Teixeira at the Department of Medical Biochemistry and Biophysics (MBB) at Karolinska Institutet, says.
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The notion that some level of microbial exposure might reduce our risk of developing allergies has arisen over the last few decades and has been termed the hygiene hypothesis. Now, an article published in Science Immunology by researchers from Karolinska Institutet challenges this hypothesis by showing that mice with high infectious exposures from birth have the same, if not an even greater ability to develop allergic immune responses than 'clean' laboratory mice.
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Researchers at Karolinska Institutet who studied SARS-CoV-2 variant BA.2.86, found that the new variant was not significantly more resistant to antibodies than several other variants that are circulating. The study also showed that antibody levels to BA.2.86 were significantly higher after a wave of XBB infections compared to before, suggesting that the vaccines based on XBB should provide some cross-protection to BA.2.86.
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Cardiogenic growth factors play important roles in heart development and in a new study published in the scientific paper Nature Communications from researchers at Karolinska Institutet shows how stem cell therapeutics and mRNA technology are beginning to converge offering major improvements in vascularization, survival, expansion, differentiation, and ultimately the function of human stem cell grafts.
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A new study published in Cell Metabolism by the research group of Professor Nils-Göran Larsson, at the Department of Medical Biochemistry and Biophysics, Karolinska Institutet, shows that so-called supercomplexes have no major role in cellular energy production and that altered levels therefore are unlikely to affect physiology and disease.
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The deficiency of functional insulin-producing cells is a common feature of type 1 and late-stage type 2 diabetes. Previous studies have suggested that mammals have very limited capacity for regeneration of insulin-producing cells, but researchers at Karolinska Institutet have found how zebrafish can form new cells and thereby provide clues to possible future possibilities in diabetes. The study is published in the scientific journal Science Advances.
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Susanne Nylén at the Department of Microbiology, Tumor and Cell Biology at KI, is leading a project that has been awarded a four-year grant from the Dutch foundation Dioraphte for research on the pathogenesis of post-kala-azar dermal leishmaniasis (PKDL) and leprosy. The total amount awarded is 850 000 euros.
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11-06-2024