Researchers have developed a CRISPR-Cas9 based method to track the movement of RNA in living cells. This approach enables the study of disease-related RNA processes and may support therapeutic approaches to correct disease-causing RNA behaviors.
The gut microbiome remains healthy due to functional redundancy among microbe species, which ensure stability in the face of constant disturbance. This study highlights the importance of understanding the role of these bacteria in the human body and their contribution to clinical symptoms.
Organs-on-chips reconstitute functional interfaces between living tissues, enabling complex organ-level functions and insights into human pathophysiology. Researchers use these devices to study communication in biology and develop personalized medicine.
Researchers discovered that human brown fat cells show circadian fluctuations in glucose consumption, which may act as a glucose buffer and lessen the stress on the pancreas. Individuals with high brown fat abundance showed less variability in glucose levels over time.
A study published in Biophysical Journal illustrates the biomechanics of Hydra's mouth opening process, revealing that cells stretch and deform to accommodate the widening of its mouth. The researchers found that radially oriented fibers contract to stretch the cells apart, similar to muscle contraction.
A University College London study suggests that lupus patients' B cells are getting signaled to become pro-inflammatory cells instead of regulating inflammation. This imbalance is linked to the lack of regulatory B cells and an overproduction of IFN-?, causing antibody-producing B cells to increase.
Researchers have found that Zika virus infects a type of neural stem cell responsible for brain development, leading to cell death and disruption of growth. The study provides new insights into the potential effects of Zika on neural tissue and may lead to the development of therapeutics.
A study published in Current Biology found that individuals with anxiety exhibit over-generalization, mistaking new tones for previously associated ones. Brain imaging revealed altered brain responses in regions related to fear and sensory processing.
A study published in Current Biology found that the gene responsible for twisted snails' shells is linked to internal asymmetry in frogs. This suggests that body asymmetry may be an evolutionarily ancient characteristic of animal development.
Researchers successfully generated functioning sperm-like cells from mouse embryonic stem cells and produced fertile offspring, providing a potential platform for treating male infertility. The breakthrough overcomes major obstacles to producing functional sperm and egg cells in a dish.
A recent study has discovered an intermediate gut microbiome from the Central African Republic's Bantu community, which incorporates some westernized lifestyle practices. The discovery sheds light on what factors may drive our microbiome differences, linked to metabolic disorders in Western populations.
Scientists have discovered a way to specifically target and inhibit the most harmful behavior of the amyloid precursor protein in Alzheimer's disease. This new therapeutic strategy could potentially treat AD without causing major side effects.
A new study found that differences in gene expression patterns in youth can predict longevity. Genes involved in energy production are less active, leading to longer lifespan. Researchers also discovered a potential link between mitochondrial function and longevity.
A randomized controlled trial found that losing just 5% of body weight significantly improves health outcomes, including insulin sensitivity and reduced risk factors for metabolic diseases. Additional weight loss further improves health benefits, but the study shows that even a small amount of weight loss has important health benefits.
Researchers use ancient DNA to confirm that extinct glyptodonts were indeed enormous armadillos. The study reveals that these prehistoric creatures evolved from medium-sized forms to become true megafauna over millions of years.
A new microscope enables the visualization of cancer cells in 3D, revealing that these cells form small protrusions called blebs in a more realistic tumor environment. This discovery is a first step toward understanding 3D biology in tumor microenvironments and may help explain skin cancer cell invasiveness and drug resistance.
Researchers have discovered that tissue from the lower stomach has the greatest potential to be reprogrammed into beta-cell state. Engineered mini-organs produced insulin and refreshed themselves with stem cells, giving the tissue a sustainable regenerative boost.
Researchers found that breast milk sugars containing sialic acid promote healthy infant growth by interacting with the gut microbiome. The study suggests that these sugars may be key components of breast milk necessary for infant health, and could lead to improved infant formulas and therapeutic foods.
New evidence suggests that people feel less responsible for their actions when coerced into doing something. The study found that coercion leads to a small but significant increase in the perceived time interval between action and outcome.
Researchers found that stressed male mice have offspring with high blood sugar due to an epigenetic change in their sperm. This study suggests a male's life experience can affect his offspring's glucose levels, offering new insights into the mechanisms involved.
Mitochondrial genes are retained to build organelle structure, resist damage from free radicals, and facilitate energy production. This design allows mitochondria to withstand the extreme environment and maintain their independence from the nucleus.
Researchers discovered a gene, neuromedin U, that promotes wakefulness and suppresses sleep in zebrafish. The protein's function suggests it may be nature's alarm clock, helping to regulate the transition from nighttime sleep to daytime wakefulness.
The CRISPR-Cas9 system could be used to bias mosquito populations from deadly females toward harmless males, reducing the spread of diseases. Genetic strategies are currently underway but face challenges such as cost and scalability.
Researchers discovered that mice exercising on a running wheel had slower cancer growth due to increased immune cell mobilization. The adrenaline rush triggered by exercise stimulated natural killer cells to attack tumors.
A study published in Cell Press identified a neural circuit mediating social seeking behavior driven by a loneliness-like state in mice. The discovery sheds light on the neuroscience of isolation and may help understand social anxiety and autism spectrum disorders.
Researchers found liraglutide, a promising diabetes drug, can lead to pancreatic beta cell burnout in mice after six months of high-dose treatment. The study highlights the need for further investigation into the potential risks of this medication.
Research reveals that humans mirror others' faces to recognize and share emotions. This phenomenon is linked to social disorders like autism, where facial expression recognition can be impaired. Understanding sensorimotor simulation may help treat related conditions.
Researchers reconstructed what wasps see during learning flights, revealing how they monitor changing views and rely on familiar sights. The study sheds light on the insects' remarkable navigation abilities, which may inspire new approaches to robotics and ecological neuroscience.
Research reveals that chronic drinking also promotes the growth of gut bacteria that can travel to the liver and exacerbate liver disease. The study found that boosting intestinal defense against certain bacteria may help patients with alcoholic liver disease.
Researchers warn of the need for more basic research on rewilding's consequences before implementing it as a major conservation approach. The authors advocate for focusing on protecting biodiversity and reducing environmental threats instead.
Researchers discovered a unique trumpet-like nasal passage in ancient wildebeest-like animals (Rusingoryx atopocranion), similar to that of hadrosaur dinosaurs. The finding suggests that the animals may have used vocalizations to communicate over large distances, potentially making their calls safer from predators.
Ancient DNA analysis uncovers a significant population turnover in Europe around 14,500 years ago, suggesting a sudden replacement of hunter-gatherer populations by another group. This finding contradicts the traditional view that non-African populations dispersed to Eurasia and Australasia through multiple migrations.
Researchers found that bears' summer gut microbiota includes microbes that take in more energy from the diet, allowing them to gain fat without impairing glucose metabolism. The study suggests a new potential therapeutic target for obesity management in humans.
Researchers discovered that male fruit flies adjust the amplitude of their courtship song based on distance from females, conserving energy and competing more effectively. This complex behavior sheds light on social interactions across the animal kingdom.
Researchers found that epigenetic marks play a crucial role in determining individual predisposition to obesity, even in genetically identical mice and human twin pairs. The study reveals a key role for Trim28 deficiency in explaining individual differences in obesity.
New research reveals that exercise alone is insufficient for weight loss due to the human body's adaptive response. A study published in Current Biology found that daily energy expenditure increases with moderate physical activity but plateaus at higher levels.
Researchers discovered that octopuses use body language to communicate during disputes, with darker colors associated with aggression. The species Octopus tetricus was found to be highly interactive, with more than 186 recorded interactions in a single location.
Two independent groups studying gut microvilli have found striking parallels with the protein complexes that organize inner ear hair cell stereocilia. The findings suggest that evolution may have borrowed successful biological structures to create new functions, connecting the gut and the ear.
Researchers discovered that Venus flytraps use action potentials to determine the size and nutrient content of struggling prey. The plants then balance the cost and benefit of hunting by adjusting their production of costly ingredients.
Researchers have made significant progress in developing fluorescent chemical probes that can target specific cancer cells, allowing for more accurate tumor removal. These probes have the potential to improve patient outcomes and reduce the need for repeat surgeries.
A study found that chimpanzees extend trust selectively to their closest friends, showing similar characteristics to human friendships. The researchers observed interactions among 15 chimps over 5 months and used a modified trust game to assess their behavior.
Researchers found that mice and humans produce microRNAs to control bacterial gene activity and shape the gut microbiome. These microRNAs can protect against intestinal diseases by regulating the composition of gut microbes.
Researchers found that marine creatures in Arctic fjords migrate vertically by moonlight to avoid predators, and this behavior is observed across the entire Arctic. The lunar cycle drives these migrations, with zooplankton sinking to depths of 50 meters every 29.5 days during full moon.
New studies reveal that Neanderthal genes have increased the ability of modern humans to ward off infection, but may also contribute to allergies. The findings highlight the importance of interspecies relations in human evolution and specifically in the evolution of the innate immune system.
A study published in the Biophysical Journal reveals a hepatitis C virus-derived peptide that kills a range of viruses while leaving host cells unharmed. The peptide targets cholesterol-rich membranes shared by many viruses, offering a promising strategy for developing new antiviral drugs.
Agricultural researchers propose a network of research stations across Europe to increase collaboration and accessibility. The ECOFE project aims to create a shared resource for open-field experiments, addressing challenges such as productivity increase, climate change, and environmental sustainability.
Two studies found a liver-derived hormone, FGF21, that regulates sugar and alcohol intake in mice and primates. FGF21 suppresses sweet appetite by acting on the hypothalamus, a part of the brain that regulates food intake and energy homeostasis.
Researchers assembled various models into a single equation to identify the variables controlling stripe formation. The integrated model predicts three main perturbations that can affect how stripes orient, including changes in production and parameter gradients.
A machine learning algorithm identified 18 potential combinations of existing and previously unknown compounds that can work together as antifungal agents, confirming their potential for drug development. The study also found some compound combinations were harmless when applied to human cell lines.
Researchers found that elephants' social networks remained resilient due to the ability of daughters to fill their mothers' roles, driven by vertical transmission of social roles. This adaptability provides optimism for elephant recovery from human disturbance once pressure is alleviated.