https://ki.se RSS News Listing https://news.ki.se/an-important-step-toward-understanding-how-brain-immune-cells-can-slow-aggressive-brain-cancer Researchers at Karolinska Institutet have identified an epigenetic mechanism that allows the brain’s own immune cells to counteract glioblastoma, the most aggressive form of brain cancer. By reducing the activity of a specific enzyme in these immune cells, tumour growth was slowed in animal models. Wed, 18 Mar 2026 10:39:41 +0100 https://news.ki.se/new-oecd-guidance-document-supports-use-of-research-data-in-regulatory-assessments-of-chemicals The OECD has published a new guidance document aimed at improving the utility and regulatory uptake of research data in risk assessments of chemicals. The duidance provides practical considerations and recommendations for both risk assessors and researchers. Thu, 30 Oct 2025 12:36:43 +0100 https://news.ki.se/elusive-knowledge-about-the-smallest-particles Toxicologist Hanna Karlsson investigates the health effects of the tiniest particles in the air. Those found in Barcelona’s harbour appear to be more inflammatory than others. Thu, 12 Jun 2025 11:25:52 +0200 https://news.ki.se/mixed-pollutants-have-a-worsened-effect One plus one does not equal two - it is more. Researchers have developed a method to analyse the toxic effects of mixed air pollutants. The method reveals greater health damage from poor air quality than analyses of individual substances suggest. Thu, 12 Jun 2025 11:09:18 +0200 https://news.ki.se/new-research-method-helps-identify-hormone-disrupting-chemicals A new study from the Institute of Environmental Medicine at Karolinska Institutet presents a promising method for identifying endocrine-disrupting chemicals – without the need for traditional animal testing. By combining RNA-sequencing of zebrafish embryos with a structured toxicological framework, researchers can now better predict harmful effects on human health. Thu, 22 May 2025 10:14:40 +0200 https://news.ki.se/female-fertility-sensitive-to-chemicals-in-plastics A study from the Institute of environmental Medicine (IMM) at Karolinska Institutet shows that the chemical di(2-ethylhexyl) phthalate (DEHP), which is found in many plastic products, has clear negative effects on hormones and fertility endpoints relevant to female fertility. Mon, 28 Apr 2025 12:53:42 +0200 https://news.ki.se/fluoride-in-drinking-water-is-associated-with-impaired-childhood-cognition Elevated concentrations of fluoride can occur in well water, and in some countries, it is added to drinking water to counteract caries in the population. A study from Karolinska Institutet now supports a few previous studies indicating that exposure to fluoride during the fetal stage or early childhood may impair cognition in children. The study is published in the journal Environmental Health Perspectives. Fri, 07 Mar 2025 15:30:09 +0100 https://news.ki.se/course-in-advanced-hazmat-life-support-for-the-first-time-in-sweden Advanced Hazmat Life Support (AHLS) is a brand-new course in Sweden, that is being taught for the first time at Karolinska Institutet. During two intense days in February, medical doctors, nurses, paramedics and people with special responsibilities in the field of CBRN (chemical, biological, radiological and nuclear materials) are trained in medical care in the event of exposure to hazardous chemicals. Thu, 06 Feb 2025 13:42:08 +0100 https://news.ki.se/genetic-analysis-can-reduce-adverse-drug-reactions-by-30-per-cent Patients can experience 30 per cent fewer serious adverse reactions if their drugs are tailored to their genes, reports a study published in The Lancet. A European collaboration involving researchers from Karolinska Institutet suggests that a genetic analysis prior to drug therapy could significantly reduce suffering and healthcare costs. Fri, 03 Feb 2023 09:24:56 +0100 https://news.ki.se/new-major-eu-funded-research-project-takes-broad-approach-on-mental-health To improve understanding of mental health, today’s symptom-based diagnoses need to be complemented with biological criteria accounting for differences between individuals and the sexes. A major EU-funded research project, coordinated by Uppsala University, will pursue an interdisciplinary path towards better strategies to protect vulnerable individuals from mental illness. Three research teams at Karolinska Institutet participate in the project. Wed, 30 Nov 2022 16:50:18 +0100 https://news.ki.se/new-expertise-in-the-field-of-chemistrytoxicology-at-the-centre-for-health-crises On the 1st of September Mattias Öberg began working 20% at the Centre for Health Crises. His role is to develop the centre’s work with chemical and toxicological health crises. This will be done through, among other things, monitoring, establishing networks, identifying educational and research gaps, as well as identifying how the centre best contributes to the field. Wed, 02 Nov 2022 13:43:39 +0100 https://news.ki.se/annachiara-malin-igra-what-happens-with-the-future-health-of-children-exposed-to-toxic-metals Annachiara Malin Igra researches the health effects of early-life metal exposure in children in Bangladesh. Her research provides important evidence that growth, bone health and pubertal development of children can be negatively affected by cadmium from food at exposure levels relevant for millions of children around the world. Now she wants to see a new risk assessment for metal exposure where child health is included. Mon, 15 Aug 2022 10:50:22 +0200 https://news.ki.se/professor-emeritus-sten-orrenius-has-died Sten Orrenius, Professor Emeritus at Karolinska Institutet, died on April 27, 2020. Dr. Orrenius was an internationally renowned and highly respected toxicologist because of his groundbreaking research in drug metabolism, the role of disruption of calcium homeostasis in cellular toxicity and mechanisms of programmed cell death (apoptosis). Tue, 28 Apr 2020 18:15:03 +0200 https://news.ki.se/ki-researchers-in-the-2019-highly-cited-list Twelve researchers at Karolinska Institutet qualify for the annual list of highly cited researchers compiled by Web of Science. Tue, 19 Nov 2019 12:44:45 +0100 https://news.ki.se/flaws-in-industry-funded-pesticide-evaluation Fri, 16 Nov 2018 06:00:00 +0100 https://news.ki.se/graphene-oxide-is-sensed-by-specialised-immune-cells Fri, 26 Jan 2018 09:04:16 +0100 https://news.ki.se/human-gene-identified-for-tolerance-to-an-environmental-hazard Studies conducted at Karolinska Institutet and Uppsala University show that some indigenous groups in the Andes of northern Argentina have increased resistance to arsenic. The researchers also identified the gene that underlies the altered metabolism and protects against exposure to arsenic. This study is the first to show that some humans have genetically adapted to a polluted environment. Wed, 04 Mar 2015 09:58:21 +0100