Elite controllers, a subset of HIV-positive individuals, have distinct transcriptional profiles and enhanced ribosomal function in their lymphoid tissue CD8+ T cells. This allows them to suppress HIV replication through cytokine production, presenting an alternative approach to traditional viral eradication strategies.
Researchers at Karolinska Institutet have developed a new tool that provides more reliable and precise results in identifying protein targets for cancer drugs. The tool uses a database of experimentally determined data to analyze the effects of different drugs on various types of cancer cells.
A new tool developed by researchers at Karolinska Institutet and the Netherlands predicts a person's survival probability after dementia diagnosis over three years. The tool provides clear tables for primary care physicians and specialist clinics to estimate post-diagnosis life expectancy based on easily identifiable factors.
A study by Karolinska Institutet researchers identifies a molecular mechanism linking ALS and type 2 diabetes, where immunoglobulin G antibodies target calcium channels in pancreatic beta cells, leading to cell death. The findings suggest altered humoral immunity may be a generalized phenomenon for other neurodegenerative diseases.
Researchers at Karolinska Institutet found no evidence to support a link between C-section deliveries and offspring obesity. After accounting for maternal and prenatal factors, they concluded that the method of childbirth did not play a significant role in determining the risk of obesity.
Researchers at Karolinska Institutet discovered that high androgen levels during pregnancy increase the risk of polycystic ovary syndrome (PCOS) in daughters for multiple generations. The study found that altered gene expression and placenta dysfunction contribute to the transmission of PCOS symptoms.
Researchers at Karolinska Institutet found a new mechanism that renders the MYC gene overactive in cancer cells. The MYC gene is normally controlled by environmental cues and cell architecture, leading to uncontrolled growth.
Researchers at Karolinska Institutet developed a new method to separate between two types of herpes virus 6A and 6B, found that MS-patients carry the virus 6A to a greater extent than healthy individuals, and that HHV-6A may be contributing factor to multiple sclerosis development
MAIT cells play a key role in group A streptococcal toxic shock, producing large amounts of cytokines that cause over-reaction. The discovery has potential implications for diagnosis and treatment of life-threatening conditions.
Children born to mothers with eating disorders face increased risks of premature birth, microcephaly, and hyperemesis during pregnancy. The study also found that the risk varies depending on the type of eating disorder and whether the mother has an active or previous eating disorder.
Researchers at Karolinska Institutet identified antisense oligonucleotide therapies as a new possible treatment option for progeria. In mice and human cells, the treatments showed promising results by reducing telomeric non-coding RNA and improving cell division.
Researchers at Karolinska Institutet found that lithium can reverse cognitive problems caused by radiation damage in mice, improving memory capacity and learning capability. The study suggests a potential new treatment for damage caused by brain tumor radiotherapy.
A study of over 24,000 Swedish adults found that those with a family history of schizophrenia and lower IQ are more likely to experience treatment-resistant schizophrenia. The condition is associated with higher risk for suicide and significant health costs.
A recent study published in Neurology reveals that individuals with multiple sclerosis (MS) who also suffer from depression are more likely to experience debilitating symptoms earlier than those without depression. The research highlights the need for early recognition and treatment of depressive symptoms in patients with MS.
A nationwide cohort study of 1.2 million people found that refugees and migrants who stay in their host country for longer are more likely to adopt local alcohol and drug behaviors and access healthcare. The study suggests that acculturative processes may lead to an increased risk of substance use disorders over time.
Researchers at Karolinska Institutet developed a new analytical tool to diagnose intellectual disability through whole-genome sequencing, discovering point mutations, structural chromosome aberrations, and expansions. This method was found to be more effective than traditional gene dose array tests in identifying genetic causes.
Researchers have developed a new tool to study how mitochondrial protein synthesis is affected by disease, pharmaceuticals, ageing and different physiological situations. The MitoRibo-Tag mice provide a valuable tool for future studies on how mitochondrial function regulates human health.
Researchers at Karolinska Institutet have identified 10 novel glioblastoma-specific endothelial cell transcripts that could represent potential tumour-targets for therapy. The study uses a new method to process human brain tissue data and identifies disease-related changes in cells lining tumour blood vessels.
A Swedish study found that long-term exposure to traffic exhaust at home increases the risk of stroke in low-pollution environments. The researchers discovered that black carbon from traffic exhaust was the primary culprit, with a 4% increased risk for every 0.3 micrograms per cubic meter.
Researchers discovered that neutrophils can eliminate MRSA bacteria on human skin, preventing them from invading the body. This finding could help explain why some people are only transient carriers of MRSA.
Researchers have developed a new genomic method, CUTseq, that can assess the amount and type of copy number alterations in tumors, helping identify highly heterogeneous and aggressive cancers. The technique is cheaper than existing technologies and can be applied to multiple biopsies or small tissue sections.
A Swedish study found that children born to women who underwent gastric bypass surgery had a lower risk of major birth defects, which could be attributed to improved blood sugar control and weight loss. The researchers recommend special antenatal care for bariatric surgery patients to ensure fetal health.
People with low intelligence scores are at a higher risk of suicide and attempted suicide later in life. The study found that the association between suicidal behavior and emotional control develops over time, with men with low IQ remaining vulnerable throughout their lives.
Researchers at Karolinska Institutet have uncovered a chromosome-wide mechanism that maintains balance in sex chromosomes' gene expression. The study found that genes on the X chromosome produce waves of gene products at a faster tempo, driven by special DNA elements called enhancers.
Researchers have developed a new CRISPR-Cas9 variant that reduces unintended changes in DNA, increasing precision in gene therapy. The SaCas9-HF variant shows high on-target efficiency and nearly undetectable off-target activity, offering a promising alternative for precise genome editing.
A large registry-based study found that current scoring systems have moderate reliability in predicting severe liver disease risk. The study identified individuals with normal scores as being at a very low risk of developing severe liver disease, highlighting the need for new methods to detect those at higher risk.
Researchers at Karolinska Institutet analyzed the whole genome of 1,000 Swedish individuals and identified 61,000 new DNA sequences, including 80 genes linked to diseases. These new sequences are found in all major human populations, indicating they are ancient and widespread
Research at Karolinska Institutet found a correlation between early maternal anemia and increased risk of autism, ADHD, and intellectual disability in children. An estimated 15-20% of pregnant women worldwide suffer from iron deficiency anemia.
Researchers at Karolinska Institutet found that only viable neurons survive in the developing nervous system, while immature ones die. This discovery challenges the long-standing neurotrophic theory and could lead to new treatments for neurological diseases like Parkinson's.
A new study at Karolinska Institutet found that lipid turnover in fat tissue decreases with age, making it easier to gain weight despite reduced caloric intake or exercise. The study showed that individuals who maintained higher lipid turnover rates after bariatric surgery were more likely to keep the weight off.
Researchers have created a new method for imaging biological molecules in cells or tissue samples using DNA snippets, allowing for the study of molecule abundance and distribution. The 'DNA microscopy' approach enables rapid screening and analysis of specific molecules within larger materials.
A study by Karolinska Institutet shows that a mobile phone-based treatment adjustment algorithm can improve symptoms and medication adherence in uncontrolled asthma sufferers. The digital tool, AsthmaTuner, analyzes lung function and symptoms to provide personalized feedback and treatment recommendations.
A study published in Nature Communications reveals that natural killer cells are robustly activated and primed for skin-homing during acute dengue virus infection. This activation had completely disappeared after about two months, providing new insights into the immune system's response to viral infections.
A new study published in The BMJ found that SGLT2 inhibitors, commonly used for type 2 diabetes, reduce the risk of heart failure by 34% compared to another type of diabetes drug. The study also showed a 20% lower risk of death among patients taking SGLT2 inhibitors.
A new study from Karolinska Institutet in Sweden reveals that children with Inflammatory Bowel Disease (IBD) are at a higher risk of developing psychiatric disorders. The study found that approximately 17% of children with IBD were given a psychiatric diagnosis, compared to 12% of healthy children and 10% of siblings.
Researchers at Karolinska Institutet have discovered a new sensory organ in the skin that detects painful mechanical damage, such as pricks and pressure. This discovery changes our understanding of the cellular mechanisms of physical sensation and may be significant in the understanding of chronic pain.
Researchers at Karolinska Institutet have developed a new method to divide patients with ulcerative colitis into two groups based on conserved gene expression across species. The study found that 87% of patients in one group responded poorly to treatment, while 60% in the other group showed improvement.
Researchers have discovered how lung cancer cells metastasize by stabilizing protein BACH1, which stimulates glucose metabolism and boosts cancer cell spreading. The studies published in Cell provide a crucial new piece of the oncological puzzle and offer a potential explanation for the Warburg effect.
A study published in Immunity reveals that the synthesis and breakdown of fats play a crucial role in asthma-related inflammation. Researchers used single-cell RNA sequencing to analyze gene expression in immune cells exposed to house dust mites, finding a unique profile of genes linked to fat metabolism.
Antibodies in joints can generate pain even without inflammation, according to a study published in the Journal of Experimental Medicine. The researchers found that immune complexes activate pain cells via Fc-gamma receptors, leading to chronic non-inflammatory pain in autoimmune diseases.
Research reveals undetected glucose disorders significantly increase risk of myocardial infarction and severe periodontitis, prompting closer collaboration between dentistry and healthcare. The study emphasizes the importance of considering patients' dental health in diabetes diagnosis.
A new study from Karolinska Institutet in Sweden found that early access to needle-exchange programs can significantly reduce the risk of hepatitis C infection among people who inject drugs. The program helped prevent the spread of the disease by providing treatment and harm-reducing interventions.
Transplanting islets of Langerhans into mice reveals early autoimmune markers of type 1 diabetes, allowing for intervention before beta cell destruction. The study's findings offer hope for developing new drugs and clinical transplantation strategies to prevent damage.
Researchers at Karolinska Institutet have found that IL-1 inhibitors can reduce chronic inflammation in blood vessels exposed to radiation, which is linked to increased risk of cardiovascular disease. The study used an animal model and gene expression analysis to support the potential treatment.
Researchers found that mirabegron accelerates atheroclerosis in mice by activating brown fat, potentially increasing the risk of cardiovascular disease and stroke in humans. The study suggests patients with cardiovascular disease or mutations affecting LDL removal should exercise caution when using this drug.
Researchers at Karolinska Institutet developed a stem cell-based model to study neuron resilience in ALS. The model identified genes contributing to the resilience of oculomotor neurons, which can withstand the disease.
Researchers at Karolinska Institutet have identified blood-based biomarkers that can determine which patients with advanced prostate cancer will benefit from continued hormonal therapy. The study suggests that patients with a normal TP53 gene and fewer AR resistance markers may benefit more from treatment.
Research at Karolinska Institutet links high HbA1c levels during pregnancy to increased preterm birth risk, affecting up to 22% of infants born to women with type 1 diabetes. The study also identifies risks of other complications for newborns, including respiratory problems and low blood sugar.
Researchers at Karolinska Institutet mapped immune system targets in patients with rare IPEX disease, revealing that regulatory T cells control gut-related immunotolerance. The study provides insights into the role of these cells in preventing autoimmune diseases.
Researchers at Karolinska Institutet developed a new method to identify compounds that prevent aging by analyzing the transcriptome of human cells. This approach identified several candidate substances, including Hsp90 inhibitors, which have been shown to extend lifespan and improve health in C. elegans.