
StratRegen - Strategic research area in stem cells and regenerative medicine
Stem cells play an important role in the development of tissues, and for maintenance and regeneration of tissues in adulthood. Research in this field is rapidly expanding our understanding of these processes. Stem cell therapies are established in clinical medicine for malignant as well as for non-malignant conditions and novel therapies are continuously developed and entered in preclinical and clinical trials.
Promoting Research
Outreach
Initiatives
Photo: Marie LindCall for funding - Education, Outreach and Networking support 2026
The SFO will by this call provide funding for education, outreach and networking activities at Karolinska Institutet (KI) based on scope, quality, and the potential to strengthen and develop the field.
The call will be open until 19th of December 2025
Photo: Daniel HollStratRegen KI - PI Retreat 2025
A big thank you to everyone who took part in the StratRegen PI Retreat on the 11th of November for insightful discussions, constructive ideas, and great energy throughout the day. Together, we took meaningful steps toward shaping the future of our regenerative medicine community.
Photo: Liza Simonsson/Ashley SeifertAdvancing Regenerative Medicine at KI
Two infrastructure projects have been selected to receive support from StratRegen, aimed at strengthening Stem Cell and Regenerative Medicine research across KI’s campuses.
New initiatives
Do you have any ideas for new initiatives in the field of stem cells and regenerative medicine, suggestions for innovative collaborations or cutting-edge equipment, that can help drive the field forward?
Send us an e-Mail or talk to the steering group members.
The steering group is committed to implementing new ideas in the upcoming calls.
Promotion
Network Medicine and AI - Shaping the Future of Biomedical Research and Healthcare
KI News in Stem Cells and Regenerative Medicine
New study reveals surprising diversification of blood stem cells
Researchers from Karolinska Institutet have a new publication in Nature Genetics about their surprising finding.
Scientists map how the brain develops – and how it resolves inflammation
Researchers at Karolinska Institutet and Yale University have created a multidimensional, molecular map of how the mouse brain develops after birth and how it reacts to inflammation. The study, which is published in Nature, shows that some of the molecular programmes that govern brain development can be reactivated in the brain during inflammation.
StratNeuro and StratRegen bring neuroscience and regeneration research to life at ForskarFredag 2025
On Friday, September 26, StratNeuro and StratRegen proudly took part in ForskarFredag in Stockholm, held at AlbaNova and Vetenskapens Hus
ERC grant for world-leading glaucoma research at KI
Glaucoma is the most common cause of irreversible blindness and affects 80 million people around the world. Pete Williams, researcher at Karolinska Institutet and St Erik Eye Hospital, has now been awarded a prestigious ERC Advanced Grant for his work on new treatments for the disease. The ERC Advanced Grant is one of the most eminent awards a researcher can receive.
2025 Anders Jahre Award goes to two KI researchers
The prestigious Nordic Anders Jahre Award for 2025 goes this year to two researchers at Karolinska Institutet. Professor Sten Eirik Wælgaard Jacobsen is to receive the Anders Jahre Award for Medical Research for his work on normal and leukemic blood stem cells. William Nyberg is honoured with the Anders Jahre Award for Young Researchers for his work on the development of T-cell immunotherapy for cancer.
How mini organs can answer difficult research questions
Researchers are getting better at growing miniature organs and embryos in test tubes or on chips. This creates new opportunities for answering research questions while reducing the need for animal testing in some cases.
Mapping the “brain in the gut” may provide clues to gastrointestinal disorders
Researchers at Karolinska Institutet have identified three types of nerve cells connected to the intestinal villi, suggesting that previously unknown neural networks regulate fluid balance in the gut. The findings, published in the journal Nature Neuroscience, could lead to a better understanding of diseases such as irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD).
Pauliina Damdimopoulou, ERC ambassador, appointed professor at KBH
Pauliina Damdimopoulou has been appointed professor at the Department of Women’s and Children’s Health (KBH), Karolinska Institutet.
New discovery about circular RNA and wound healing
Researchers at Karolinska Institutet have identified a new mechanism where circular RNA plays a crucial role in wound healing, which could lead to new therapies to improve wound healing and reduce scarring. The study was published in Advanced Science.
Cell atlas of the endometrium in women with PCOS may lead to better treatment
Women with polycystic ovary syndrome (PCOS) find it harder to get pregnant, have more frequent miscarriages and have a higher risk of developing endometrial cancer. Now, in a new study published in Nature Medicine, Swedish researchers have shown that the uterine lining of these women differs in terms of both the composition of individual cells and gene expression. The results open the door to new drug treatments.
Mapping of a gigantic salamander genome reveals secrets of regeneration
Researchers at Karolinska Institutet have mapped the genome of the Iberian ribbed newt and revealed how the composition and organization of the DNA are linked to its ability to regenerate entire body parts.
New study reveals new insights into wound healing
A new study from Karolinska Institutet maps the cellular and molecular dynamics of human wound healing in exceptional detail. The study was published in Cell Stem Cell.
New imaging method enables detailed RNA analysis of the whole brain
Researchers at Karolinska Institutet and Karolinska University Hospital have developed a microscopy method that enables detailed three-dimensional (3D) RNA analysis at cellular resolution in whole intact mouse brains. The new method, called TRISCO, has the potential to transform our understanding of brain function, both in normal conditions and in disease, according to a study in Science.
First molecule identified that promotes gut healing while inhibiting tumour progression
Researchers at Karolinska Institutet have found a molecule that can both help the intestines to heal after damage and suppress tumour growth in colorectal cancer. The discovery could lead to new treatments for inflammatory bowel disease (IBD) and cancer. The results are published in the journal Nature.
Researchers have created an atlas of human embryonic development
The Petropoulos and Lanner labs at CLINTEC created a reference map of early human embryo development. They also launched an ‘Early Embryogenesis Prediction Tool’ that accurately predicts cell types across different embryonic stages and datasets, with plans to expand as more data becomes available.
The human heart may have a hidden ability to repair itself
After severe heart failure, the ability of the heart to heal by forming new cells is very low. However, after receiving treatment with a supportive heart pump, the capacity of a damaged heart to repair itself with new muscle cells becomes significantly higher, even higher than in a healthy heart. This is according to a new study from Karolinska Institutet published in the journal Circulation.
Blocking THBS1 with antibodies may heal radiotherapy induced skin injury
In a recently published study, researchers at Karolinska Institutet and KI University Hospital show that radiotherapy (RT) creates an "epigenetic memory" in skin fibroblasts which impairs skin healing in cancer survivors. They also found that by targeting this memory with antibodies the damage could be reversed. This finding can lead to new therapies for both preventing and treating RT-induced skin issues.
New study on microRNAs could lead to better fertility treatment
Researchers at Karolinska Institutet have mapped how small RNA molecules, such as the recently Nobel Prize-awarded microRNAs, control cell development in the human embryo during the first days after fertilisation. The findings, published in Nature Communications, may eventually contribute to improved fertility treatment.
Key molecule in wound healing identified
A new study from Karolinska Institutet and the Chinese Academy of Medical Sciences has identified an RNA molecule that is important for skin wound healing. The research, published in Nature Communications, may have implications for the treatment of hard-to-heal wounds.
Understanding Liver Fibrosis: Insights from Alagille Syndrome
Researchers from Karolinska Institutet and Charles University studying liver fibrosis have made an exciting new discovery, now published in EMBO Molecular Medicine. Their latest findings could pave the way for innovative approaches to treating this challenging condition.
New study reveals sex-specific gene expression in adipose stem cells in mice
Researchers at Karolinska Institutet and AstraZeneca have discovered that gene expression in adipose stem cells varies according to sex and type of adipose tissue in mice. These findings may pave the way for future therapeutic interventions to increase the body's fat storage capacity and improve metabolism.
ERC Starting Grants awarded to
Elif Eroglu, research group leader at the Department of Cell and Molecular Biology (CMB).
Project title: “Tightly Controlled – Tight Junctions and Tissue Mechanics as Sensors and Executers of Heart Regeneration” and William A. Nyberg, assistant professor at the Department of Medicine, Huddinge. Project title: “Improving CAR-T cell therapies through AAV-mediated genetic engineering”
ERC Proof of Concept för andra gången till KI-forskaren Georgios Sotiriou
Docent Georgios Sotiriou tilldelas ERC Proof of Concept-anslaget från Europeiska forskningsrådet (ERC). Syftet med Photocure-projektet är dels att undersöka om en ljusaktiverad nanokompositfilm kan vara en effektiv behandling för svåra, infekterade sår som till exempel diabetiska fotsår. Men också att förbereda steget från innovation till medicinteknisk produkt. Det är andra gången Georgios Sotiriou tilldelas det prestigefyllda anslaget, och tredje gången han får finansiering från ERC.
Scar formation after spinal cord injury is more complex than previously thought
New research reveals that scar formation after spinal cord injuries is more complex than previously thought. Scientists have identified two types of perivascular cells as key contributors to scar tissue, which hinders nerve regeneration and functional recovery. These findings are also relevant for other brain and spinal cord injuries and could lead to targeted therapies for reducing scarring and improving outcomes.
Pauliina Damdimopoulou receives ERC Consolidator Grant for research on women's fertility
KI-researcher Pauliina Damdimopoulou has been awarded a EUR 2 million ERC Consolidator Grant (European Research Council) for the SAFER project (SAfeguarding female FERtility-development of human-relevant in vitro tools for reproductive toxicity). The research will investigate the impact of commonly occurring environmental chemical contaminants on women's reproductive health.
Stem cell legislation
Embryos and embryo models – the need for updated regulations for research on the early development of human life.
The Swedish National Council on Medical Ethics (Smer) urges the government to review the current rules for research on human embryos and stem cell-based embryo models. The regulatory framework needs to be updated to reflect scientific developments in embryo and stem cell research. In particular they suggest that the so-called 14-day rule, should be extended to 28 days.
