A study found that mothers with depression are not physiologically synchronized with their kids, even during positive interactions. The researchers measured heart rate variability and found that depressed moms missed matching their children's physiology, leading to a mismatch in social engagement.
Researchers have developed GeNemo, an innovative search engine for functional genomic data. This tool allows users to search inside the data using pattern matching, enabling discoveries of functional aspects in specific genome regions associated with normal physiology or disease.
A study by UCLA life scientists found that fructose damages brain genes, leading to diseases such as diabetes and cardiovascular disease. However, a diet rich in DHA reversed the harmful effects of fructose, suggesting a potential treatment for these conditions.
Researchers found that mice flown aboard the space shuttle developed early signs of liver disease, including increased fat storage and changes to genes responsible for breaking down fats. This study has implications for future missions to Mars, highlighting the need for further research on the impact of spaceflight on human physiology.
Researchers found that male Barbary macaques' metabolic rate increases dramatically during mating season, allowing them to allocate more energy for reproduction and competition. The study suggests that this adaptation may be an echo of a vital physiological mechanism in humans.
Researchers found that marathon runners had higher stiffness indices than sedentary individuals, indicating improved bone quality. The study suggests that endurance running training can modify the mechanical properties of bones, potentially preventing age-related decline in bone mineral density.
Researchers discovered that high doses of antihistamines can blunt nearly 27% of the gene response after vigorous exercise, which could have implications for athletes and exercisers. The study identified 795 genes affected by histamine receptors, highlighting their role in post-exercise recovery.
A University of Guelph professor found that elite athletes in their 80s and 90s have stronger legs and more muscle mass than non-athletes. The study, published in the Journal of Applied Physiology, compared world-class track and field athletes with individuals of the same age who are living independently.
A University of Colorado Boulder study shows that left-leg amputee sprinters are slowed by curves on indoor tracks, losing valuable time in competition. Researchers estimate a 0.2 second difference in outdoor 200-meter races, suggesting that allowing left-leg amputees to run in outside lanes could level the playing field.
A new study at Southern Methodist University found that leading standardized equations for walking energy expenditure are inaccurate and biased. A new method, developed by SMU scientists, is four times more accurate for adults and kids combined, and two to three times more accurate for adults only.
A new human liver microphysiology platform has been developed to study liver physiology, drug safety, and disease progression. The Sequentially Layered, Self-Assembly Liver (SQL-SAL) model mimics the physiological conditions created by immune, stellate, and endothelial cells.
During sleep, brain activity patterns from the day are replayed at fast-forward speed in the hippocampus, strengthening microscopic connections between nerve cells. This process is crucial for consolidating memories and retaining important information.
Researchers found that Retigabine enhances the resting potential open state stability of K7.2/K7.3 channels, increasing potassium ion flow and decreasing electrical signals. This may help refine pharmacotherapy for epilepsy and related disorders.
Scientists have gained insights into breathing signals during sleep, leading to potential new treatments for central sleep apnoea. Researchers used genetically modified mice to show that AMPK enzyme helps breathe faster in low oxygen environments.
Researchers found that early nerve cell development creates brain circuit templates, which are then disrupted by trauma, leading to delayed effects on thoughts and memories.
New UCLA research demonstrates that BPS, a common replacement for BPA, speeds up embryonic development and disrupts the reproductive system. Exposure to low levels of BPA and BPS alters physiology in as quickly as 25 hours, leading to premature birth and disruption of reproductive endocrine brain cells.
A new study by Rosalind Franklin University researchers has discovered that hydrogen sulfide levels regulate chronic inflammation caused by obesity. The findings suggest targeting the Orai3 calcium channel as a novel treatment for obesity-related inflammation and related health issues.
A recent study by Johns Hopkins Bloomberg School of Public Health suggests that estrogen may offer additional benefits to hormone replacement therapy or infertility treatment. The research found that estrogen dramatically reduced the amount of flu virus that replicated in infected cells from women, but not from men.
Researchers found that foliar applications of kaolin at 2.5% and 5% controlled approximately 80% of the whitefly population in bean crops. Kaolin also improved plant physiology, reducing transpiration by 40% and increasing leaf chlorophyll content by 43%.
Exercising early in life can alter the microbial community for the better, promoting healthier brain and metabolic activity over a lifetime. A study published in Immunology and Cell Biology found that juvenile rats who exercised daily developed a more beneficial gut microbiome.
A study published in The Journal of Physiology found that regular exercise can significantly reduce the physiological severity of hot flushes experienced by post-menopausal women. By improving blood flow and reducing sweating, exercise minimizes the physical discomfort associated with hot flushes.
University of Toronto scientists have identified a specific channel in the brain where opioids interfere with breathing, leading to dangerous consequences. Researchers found that mice without this channel breathed normally even under opioid overdose conditions.
Two tree species in southwestern Colorado employ distinct strategies to cope with drought: the ponderosa pine conserves water by shutting down production, while the trembling aspen alters its physiology to continue growing. This study sheds light on how woody plants may confront twin scourges of less water and hot weather in a warmer a...
A team at Tohoku University developed sNOOOpy, a genetically encoded FRET-based indicator that senses nitrate and nitrite levels. The sensor can monitor intracellular levels in real-time and has potential applications in various organisms and research fields.
Scientists discovered a cellular mechanism that allows herpes simplex virus to reactivate in neurons, triggered by stress. The virus uses a protein pathway called JNK to escape the neuron's repressive environment and cause disease.
Researchers found that stimulating brain receptors for ghrelin, a hormone that increases appetite, increases food-related behaviors such as gathering and consuming food. Blocking ghrelin receptors in the brain prevents these behaviors, suggesting a crucial role of brain receptors in regulating food intake.
Researchers discovered that IR25a plays a key role in entraining fruit fly brains to small changes in temperature. The study found that when temperature fluctuations were large, flies lacking IR25a could adapt, but when they were small, the flies struggled to synchronize their circadian clocks.
Michihisa Umetani, a University of Houston professor, has won a $5,000 grant from the Neuron-Genetics Institute to further research into hereditary spastic paraplegia type 5A. The prize will help him and his team investigate the role of 27-hydroxycholesterol in human physiology and disease.
The study found that mercury affects the bright yellow hues on the great tit's breast, making males less attractive to females. Copper increases the size of the bird's 'black tie', while chrome reduces its area, impacting dominance and aggression.
Researchers in Pennsylvania have been granted funding from the American Heart Association to support their work on cardiovascular diseases and stroke. The grants will enable them to gather data and develop new treatment strategies for patients with Fontan physiology, a condition that affects thousands of people worldwide.
A new review questions whether premature ejaculation is an illness, citing false assumptions and influence from drug companies. The authors suggest that physiology of ejaculation and orgasm remains intact in men with premature ejaculation.
A $250,000 grant from the National Institute on Aging will help researchers at UTA and Ohio State University study the molecular mechanisms of muscle aging. The study aims to discover new ways to keep muscle function optimal during aging, potentially leading to treatments for age-related muscle loss.
A new study on the fossil bone growth of Ophiacodon, a distant relative of mammals, reveals that it was at least partly 'warm-blooded', challenging the long-held theory of its origin. The findings suggest that mammalian endothermy evolved earlier than previously thought, dating back to the late Carboniferous period.
Researchers found that certain proteins undergo a transition from liquid droplets to toxic, fibrous solids on their way to becoming harmful. Cells may use this liquid state for normal physiology, but under certain conditions the proteins can transition again.
Researchers have identified a new way to trigger the instructions given by the muscle protein dystrophin, which is found in muscles used for movement and in cardiac muscle cells. The study suggests using drugs that activate AMPK signaling to bypass defective steps in the protein complex pathway.
Researchers identify a neural circuit that regulates REM sleep and show that it controls the physiology of non-REM (NREM) sleep. They also found that REM sleep plays a crucial role in the generation of slow waves during NREM sleep.
Researchers identified a neural circuit in the brain that regulates REM sleep and show it controls NREM sleep physiology. The study also found that REM sleep interacts with NREM sleep in a hierarchy, affecting slow wave activity.
A new animal study published in the American Journal of Physiology found that a low dose of thyroid hormone improved cardiac tissue and function in female rats with high blood pressure. The treatment safely restored normal thyroid hormone levels and prevented scar tissue accumulation, leading to overall improvement in heart function.
Researchers at NC State University have used 'Avatar' experiments to study locomotion and discovered that resonance tuning is a key mechanism behind springy leg behavior. By understanding how the nervous system interacts with the leg, they aim to design more efficient exoskeletons for humans.
Researchers at Baylor College of Medicine found that infancy's gut development can have lifelong implications on intestinal health. The study discovered that epigenetic changes and the gut microbiome play a crucial role in shaping intestinal stem cells, which control gut physiology throughout life.
Researchers developed a novel data-logging tag called ITAG to study small invertebrates' behaviors and physiology. The tag measures ocean conditions and animal responses at high resolution, providing valuable insights into their natural behaviors and adaptations.
European minks face significant reproductive challenges due to habitat destruction and competition with American minks. Scientists have successfully developed a non-invasive method to analyze faecal samples, revealing that mating can occur more frequently than previously thought.
A CU-Boulder study shows that evening caffeine consumption can delay the internal circadian clock by approximately 40 minutes. The researchers also found that bright light exposure induces even greater phase delays, suggesting a possible ceiling effect on human circadian clocks.
An international team of researchers identified key opportunities in nutrition science to close a major gap between available and projected food by 2050. The researchers proposed eight axes of research, including sustainability, food safety, and big data analysis, to improve nutrition as a science.
Researchers Terrie Williams and her team have studied exercise physiology in wild animals and human athletes for over 30 years. Key findings include the high prolonged heart-rate levels of professional big-wave surfers, with one recorded at 200 beats per minute, and how this differs from dogs and cats.
A new study has found that rising ocean temperatures and acidification have a significant impact on the survival and development of Antarctic dragonfish. The research reveals that warmer waters can accelerate embryonic development, but also lead to increased mortality rates.
The Journal of Dairy Science has recognized four award-winning papers for their high citation impact. These papers, published between 2012 and 2015, have significantly impacted research and the dairy industry.
The Genetics Society of America has awarded prizes to undergraduate and graduate students who presented research on Caenorhabditis elegans at the recent meeting. The awards recognized innovative work in various fields, including cell biology, development and evolution, gene regulation and genomics, neurobiology, and physiology.
Researchers at Simon Fraser University have found that changes in body temperature can cause arrhythmia, leading to sudden cardiac death. The study, published in the Journal of Physiology, identifies a protein sensitive to temperature fluctuations that can disrupt heart function.
A lab-produced hamburger has gained significant interest with over 60% of consumers supporting its purchase and consumption. The $300,000 cultured burger recipe is being refined to increase taste, texture, and color consistency.
Researchers at the University at Buffalo School of Public Health and Health Professions will examine diver physiology during and after underwater activities. The study aims to develop Navy diving protocols to prolong endurance and make missions safer for divers.
Researchers found that people with a small opening in the heart (PFO) were more susceptible to acute mountain sickness and had impaired lung function at high altitudes. The study suggests PFOs may impair performance at high altitude due to inefficient blood oxygenation.
A recent study found that only 25% of amateur athletes undergoing hypoxic training receive specialist monitoring, putting them at risk for health problems such as increased breathlessness, anaemia, and muscle loss. The lack of regulation among amateur athletes leads to ineffective training efforts and increased health risks.
Researchers at Children's Hospital Los Angeles have developed a novel zebrafish model to study short bowel syndrome, which may lead to better care for patients. The model enables the study of adaptation in a cost-effective and efficient manner.
Researchers at TSRI have published the first 3D structures of a receptor implicated in brain diseases and normal physiology, revealing links to the marijuana receptor system. The study sheds light on the molecular architecture of receptors for lysophosphatidic acid, a fat molecule linked to conditions such as hydrocephalus and cancer.
Researchers have discovered that starfish can remove deeply embedded foreign objects from their bodies by squeezing them out through the skin at the arm tips. This unique ability allows for quick healing and has implications for understanding animal physiology.
Researchers at Kansas State University have developed a nanoplatform technology that detects human cancer cells and tumors in the early stages. The technology has been awarded US Patent 8,969,027 and shows a 95% success rate in detecting cancer at stage one and beyond.
UC Davis researchers identified molecular interactions between capsaicin and the TRPV1 receptor, paving the way for more selective and effective pain relief drugs. The study found that sweet peppers contain a compound called capsiate, which is almost identical to capsaicin but differs at one key interaction site.
Dr. Laurel H. Carney has been awarded the William and Christine Hartmann Prize in Auditory Neuroscience for her research on auditory physiology and perception. Her work aims to understand how the brain hears and develop strategies to aid listeners with hearing loss.
Research led by Kansas State University's Brad Behnke suggests that moderate exercise can enhance tumor oxygenation, potentially improving the effectiveness of cancer treatments. Moderate-intensity exercise has been shown to increase oxygen delivery to tumors, making them more susceptible to radiation therapy.