A study reveals that European waterbird species shift their wintering areas northeastwards with warmer winters and southwestwards with colder spells. Species preferring deep waters show the fastest long-term changes, while farmland birds like geese exhibit weak responses.
A study of salmon in Northern Finland found that the gene version urging them to mature earlier has become more prevalent, while the version for larger growth is rarer. This suggests that evolution is at play as salmon adapt to their environment.
Researchers found a way to explain the lack of antimatter in the universe using the Two Higgs Doublet Model. Computer simulations showed that the universe was extremely out of equilibrium when the Higgs boson turned on, making it possible to produce matter without annihilating with antimatter.
A Finnish study reveals that protected areas support northern bird species while hindering southern species' movement northwards due to habitat loss and climate change.
A genetic study led by University of Helsinki researchers has uncovered the underlying causes of severe heart muscle diseases in children, revealing a unique genetic profile for each family. The study's findings have significant implications for predicting disease course and treatment decisions, paving the way for personalized medicine.
A molecular pathway previously studied in laboratory conditions has been verified to be disrupted in Parkinson's disease patients. The study identifies a key enzyme switch that plays a pivotal role in protecting the brain against stress.
A new drug, vatinoxan, reduces adverse effects of sedatives on canine patients' cardiovascular systems. Researchers successfully trialed the drug on volunteer canines, paving the way for potential marketing authorization within two years.
Research suggests that reduced Arctic snow cover due to climate change poses a significant threat to the region's biodiversity. Many plant species rely on snow cover for survival and are already endangered, making conservation efforts crucial. The study highlights the importance of addressing climate change to preserve northern nature.
A research group led by Professor Sanna Lehtonen found that metformin directly binds to the lipid phosphatase SHIP2, increasing glucose uptake in muscle cells and protecting kidneys from damage. This discovery highlights SHIP2 as a drug target for regulating glucose metabolism and cell death.
A nationwide study found large regional differences in endoscopic sinus surgery rates due to chronic rhinosinusitis in Finland. The highest rates were observed in public hospitals, suggesting a correlation between the availability of medical services and ESS rates.
Researchers used next-generation RNA sequencing to investigate mitochondrial tRNAs in patients with MERRF, a common inherited disorder. The study found quantitative changes in tRNA abundance and methyl modifications that affect protein synthesis within mitochondria.
Infants who were breastfed for at least six months had a smaller number of resistant bacteria in their gut than babies who were breastfed for a shorter period. Antibiotic treatment of mothers during delivery increased the amount of antibiotic-resistant bacteria in the infant gut.
A nationwide Finnish study found that brain cancer survival has improved overall, with younger patients experiencing significant gains in median survival time. However, elderly patients saw minimal improvement, highlighting the need for more effective treatment strategies for this growing patient population.
Researchers analyzed postnatal mouse hearts to understand regenerative capacity and biochemical processes affected by myocardial infarction (MI). Key findings include novel changes in metabolism, such as temporal regulation of mevalonate and ketone body metabolism.
Researchers developed a cancer vaccine platform that can enhance oncolytic virus efficacy, activating human immune response against cancer cells. By using patient's own peptides, the treatment targets tumour cells, increasing T cell activity and improving therapy.
Researchers at University of Helsinki have identified a key regulator of kidney development, revealing how MAPK activity influences nephron number in mature kidneys. This discovery holds promise for developing stem cell-based regenerative therapies as novel treatments for renal diseases.
A recent study published in Nature Ecology & Evolution found that superbugs like MRSA have a complex evolutionary history, with cows being the source of strains causing human infections worldwide. The research highlights the importance of monitoring antibiotic resistance and developing strategies to minimize its spread.
A large-scale analysis of mobile app data found that users in English-speaking countries have higher app usage due to widespread English language versions and dedicated apps. Socio-economic factors such as occupation, education, and savings also play a significant role in determining app usage.
Researchers at the University of Helsinki identified a novel species of Propionic Acid Bacteria, which was named after A.I. Virtanen due to its genetic differences from previously described strains. The discovery honors Virtanen's pioneering work on PAB, a topic often overlooked in his biographies.
Beaver dams raise water levels, releasing organic carbon to the atmosphere. Research indicates beavers can act as both carbon sinks and sources, with some ponds fixing up to 470,000 tons of carbon per year or releasing 820,000 tons annually.
A new study finds that clinical quality registries for surgery often exclude treatment-related adverse events, leading to misleading conclusions. The study analyzed data from Finland and compared it with US and UK quality registers.
Researchers sequenced eggplant and wild relative plastomes, finding a single event led to two lineages: one in Africa and the other in Asia. This dispersal resulted in the current wide distribution of eggplant relatives across Africa, linked to African elephant and impala seed dispersal.
A study from University of Helsinki reveals that sudden cold spells occurred during the Eemian interglacial period, lasting hundreds of years and impacting northern European climate. The research suggests that disturbances in North Atlantic circulation contributed to these shifts, highlighting the sensitivity of this oceanic system.
A new study published in The BMJ found that decompression surgery for shoulder impingement syndrome offers no greater relief from pain than placebo surgery. Two years after the procedure, patients in both groups experienced equally little shoulder pain and were equally satisfied with their situation.
Researchers discovered a mechanism for forming nanometre-sized ultrafine particles in polluted air, involving sulphuric acid and dimethylamine. The study, published in Science, uses advanced measuring equipment developed by the University of Helsinki's Atmospheric Science department.
A study published in Neurology found that despite rapid diagnoses, diagnostic inaccuracy occurred in 6.9% of patients, but only worsened outcomes in 0.8% cases
A study by the University of Helsinki found that science fiction enthusiasts are more likely to approve of mind upload technology, with traditional religiousness and disgust sensitivity to sexual matters linked to negative reactions. The research also explored moral psychology perspectives on the technology.
A new study found that the quality of LDL particles is a significant cardiovascular risk factor, with aggregation-prone LDL linked to increased risk of death. Improvements in LDL quality have been shown to be possible through cholesterol-lowering medication or healthy diet, offering new hope for cardiovascular disease prevention.
A new fish species, Platichthys solemdali, has been discovered in the Baltic Sea and officially recognized as an endemic species. The species can be distinguished from its European counterpart through genetic methods or by studying their eggs and sperm.
A recent study published in Eurosurveillance confirms that NDM bacteria can be transmitted between dogs and humans, with the owner of two Finnish dogs also carrying the bacterium. The transmission was established through genome analysis, which revealed identical bacterial isolates from dogs and humans.
Researchers at the University of Helsinki have developed a new method for turning skin cells into pluripotent stem cells by activating the cell's own genes, eliminating the need for artificial gene introduction. This breakthrough enables efficient and physiological cellular reprogramming using CRISPRa technology.
A Finnish study found a link between a gene variation and increased risk of Alzheimer's disease in the elderly, particularly those with job-related exhaustion in shift workers. The research suggests that genetic predisposition combined with lifestyle disruptions can increase Alzheimer's risk.
Researchers at the University of Helsinki have developed a new method to purify nuclear waste water using electrospun sodium titanate, which speeds up the process and reduces radioactive waste. The method is based on selective ion exchange and has been shown to work like commercially produced materials.
A new regulatory axis involving the transcription factor Prox1 has been revealed to negatively regulate MMP14 protein levels, which plays a significant role in cancer progression and metastasis. This discovery provides new insights into the mechanisms governing MMP14's function in physiological processes such as wound healing.
A new study found that Finnish forest management guidelines do not adequately protect old growth forests where flying squirrels live. The guidelines were compared to the recently amended Forest Act and resulted in an extremely low occurrence of female flying squirrels, highlighting a large gap between science and policy.
Researchers have identified a new meteorite impact structure in Central Finland, measuring 2.6 km in diameter and 275 km north of Helsinki. The discovery is part of the country's growing list of confirmed impact structures, with Finland now ranking among the top countries to find these features.
Researchers at the University of Helsinki have identified a monoclonal antibody that inhibits capillary leakage in sepsis. The antibody targets β1-integrin, a key molecule in endothelial cells, and improves junctions between endothelial cells, decreasing vascular leakage and protecting against sepsis-induced heart failure.
A study by the University of Helsinki found that IVF can alter embryonic growth, particularly in relation to genetic variation. Children born from frozen embryo transfer had significantly higher birth weights than those born from fresh embryo transfer.
A study found that travellers carrying standby antibiotics are more likely to use them for mild and moderate diarrhoea, contributing to antimicrobial resistance. The study identified factors increasing antibiotic use among travellers, including carriage of stand-by antibiotics, vomiting, and contact with local healthcare.
A low-cost music playschool significantly improved the development of children's phoneme processing and vocabulary skills compared to peers attending dance lessons or none. The study suggests regular music playschool lessons can positively impact preschoolers' linguistic abilities.
Mesencephalic astrocyte-derived neurotrophic factor MANF administered to rats after ischemic brain injury promoted reversal of behavioral impairments. MANF treatment transiently increased phagocytic macrophages, suggesting a potential beneficial effect on inflammation and tissue repair.
Researchers from the University of Helsinki and University of Oulu have developed a new model to forecast Arctic ground temperatures, revealing significant changes in permafrost occurrence. The study predicts that areas favourable to permafrost will shrink by over one-third by 2050 under worst-case climate change scenarios.
Researchers investigated the molecular mechanisms underlying myocardial regenerative ability in newborn mice, identifying fructose-induced glycolysis as a key factor for cardiac muscle cell proliferation. The study provided insights into the loss of regenerative capacity and potential new treatments for heart disease.
A new genetic cause for canine congenital eye disease has been discovered, revealing an unprecedented mode of inheritance linked to maternal genes. The study found that a deletion mutation in the RBP4 gene leads to vitamin A deficiency and blindness in affected dogs.
Researchers sequenced bittersweet plastid genome to correct errors in genetic databases, placing it as a model for nightshade chloroplast comparative genomics. The study also presented a new hypothesis of the ancestral genome, showing structural re-arrangements coinciding with bigger evolutionary changes.
Researchers found that cortical surface area, a measure of brain size, is associated with greater cognitive ability in taller individuals. However, the study also suggests that environmental factors, such as childhood malnutrition, may play a larger role in shaping cognitive development.
A recent study published in Neuron reveals the significant contribution of common and rare genetic variations to the familial aggregation of migraine. The researchers found that common polygenic variation significantly contributes to the disease in families, with some subtypes showing a higher genetic load.
Researchers discovered genetic defects typical in ANKL, a shared genetic background with NK- and T-cell malignancies, and novel gene amplifications in the JAK-STAT signaling pathway. Potential drug candidates were found, including JAK inhibitors that could improve treatment for various NK-cell malignancies
A recent study published in Scientific Reports found that a series of volcanic eruptions in the mid-500s CE resulted in a prolonged period of cold and darkness, making it difficult for humans to survive. The poor climate conditions significantly reduced food production and vitamin D levels, further weakening the already hungry population.
A new collaborative project has developed an RNA-based vaccine for protecting plants against diseases and pests, providing a promising environmentally friendly solution. The vaccine triggers RNA interference, which prevents pest gene expression without affecting the plant's own genes.