Articles tagged with Human Biology
The Global Conference on Gerophysics aims to bridge statistical mechanics, complex systems theory, and dynamical modeling with biological mechanisms of aging. The conference will bring together leading scientists to promote healthy longevity and reshape our understanding of the aging process.
A pilot study found that qigong significantly decreases chronic low back pain in US military veterans, improving physical function and reducing sleep disturbance. The holistic practice also showed positive effects on PTSD, depression, anxiety, and social roles, highlighting its potential as a nonpharmacological treatment option.
Researchers discover immune cells regulate blood sugar levels by stimulating glucagon production in the pancreas. This complex neuroimmune-hormonal circuit reveals a new way the body maintains stable glucose levels, especially during periods of low energy.
A multidisciplinary team led by the Wyss Institute aims to create novel anesthesia-inducing drugs that can safely induce an anesthesia-like state without compromising vital functions. The project leverages expertise from Harvard's MCB, MIT, and Tufts University to develop safe battlefield-ready anesthetics.
Research led by University of Pittsburgh scientists found that exposure to long-wavelength red light reduces blood clots in humans and mice. The study's findings have the potential to reduce deaths and disabilities caused by blood clots worldwide.
A multidisciplinary team of researchers will investigate how animals detect magnetic fields, building on existing knowledge that a blue-light sensing protein called Cryptochrome plays a key role. The study's findings may lead to the development of non-invasive measurement tools and magnetic cell therapies.
Researchers found significant functional variations between rodent and human PD-1 due to evolutionary divergence. The study reveals a unique motif present in most mammals but missing in rodents, leading to uniquely weaker rodent PD-1.
Researchers propose using Exo-AUVs to detect life on Icy Worlds like Europa by identifying micro-zones with high biological potential. The strategy guides the Exo-AUV to collect diverse robust biosignatures and potentially detect extant life in various dimensions.
Researchers developed a new tool to measure biological aging in individual cell types, providing insights into diseases like Alzheimer's and liver pathologies. The study found that certain brain cells and liver cells show signs of accelerated aging, making it a better tool for detecting diseases.
Researchers have created a new circuit model that accounts for small changes to the sensor's behavior, allowing it to detect protein or DNA molecules from a sample. The device could lead to earlier diagnosis of diseases and more precise therapies tailored to each patient.
A study led by Henry J. Pownall and Khurram Nasir found a strong link between the amount of free cholesterol in HDL and its accumulation in macrophages, which can contribute to heart disease. The researchers aim to develop new diagnostics and treatments for managing heart disease using HDL-free cholesterol as a biomarker.
The five-year national research study will examine the effectiveness of medically tailored meals in reducing gestational diabetes and Type 2 diabetes prevalence among pregnant and postpartum women from historically marginalized communities. Nearly 1,000 participants will be assessed for maternal health outcomes.
Researchers identified genes that impact tooth development and variation among ethnic groups. They found associations with tooth dimensions on genes inherited from Neanderthals and other genetic variants.
A team of researchers proposes creating an AI virtual cell to model human biomolecules, cells, and tissues. The virtual cell would allow scientists to experiment in silico, accelerating personalized medicine and disease research.
The Pew Charitable Trusts has funded eight teams of researchers to conduct interdisciplinary biomedical research projects. These partnerships aim to advance scientific discovery and improve human health by combining expertise in cell biology, immunology, neuroscience, and genetics.
A study by Tulane University researchers found that tumors in female fruit flies grew 2.5 times larger than those in male fruit flies due to sex-based differences in immune response. The stronger innate immune response in females accelerated tumor growth.
Scientists at VCU Massey Comprehensive Cancer Center have discovered a new genetic code that recruits and deploys tumor cells to invade healthy organs. This breakthrough could offer groundbreaking insight into new treatment strategies targeting tumor growth in its earliest stages.
Three Texas A&M biologists have received NIH Maximizing Investigators’ Research Awards to support their research on type IV pili, darter fish social behaviors and bacteriophages. Drs Koch, Moran and Ramsey will explore bacterial behavior, genetic mechanisms and neural basis of paternal care in fish.
A study found that conflict-reducing practices in teaching evolution increased acceptance among college students. Emphasizing compatibility between evolution and religion was particularly effective for highly religious Christian students. The study suggests that instructors can play a key role in bridging the divide by adopting strateg...
Researchers have developed an artificial adhesion system that closely mimics natural biological interactions, enabling precise control over its strength under varying forces. The innovative 'fish-hook' bond has vast potential in materials science and medicine, inspiring responsive materials and force-sensitive drug delivery systems.
Researchers found that female locust's digging valves wear down significantly despite being used only 3-4 times in a lifetime. The study demonstrates the 'good enough' principle in evolution, where extra resources are not invested in organs with specific purposes performed adequately.
A team of researchers from the University of Tokyo proposes a new mathematical definition of cell death based on enzymatic reactions and thermodynamics. This definition enables the development of computational methods to quantify the life-death boundary, which could lead to better understanding and control of cellular processes.
Researchers have discovered a critical component in the development of neural cells, revealing its role in maintaining cellular identity and early neural fate commitment. This finding provides valuable insights into neurodevelopmental syndromes and suggests new potential solutions.
A new study led by Griffith University researchers found that increasing physical activity could add up to five years to an individual's life, with the most active quarter having a 73% lower risk of death. Even modest increases in movement could lead to significant life-extension benefits.
A new study by Swansea University researchers found a relationship between high alcohol consumption and long ring fingers compared to index fingers. The study used a sample of 258 university students and revealed that high prenatal testosterone relative to oestrogen is linked to high alcohol consumption in men, but not women.
This systematic review analyzes 33 biological clocks used for aging and mortality quantification, categorizing them into epigenetic and phenotypic clocks. Epigenetic clocks demonstrate precision in estimating chronological age through DNA methylation, while phenotypic clocks predict mortality using easily measurable clinical variables.
The Human Cell Atlas has made significant progress in mapping individual adult tissues, developing gut cell types for ulcerative colitis research, and creating comprehensive reference maps of all human cells. The initiative aims to capture all aspects of human diversity, including genetic, geographic, age, and sex, to advance diagnosti...
Researchers at the University of Tokyo have developed a new CRISPR-based system to label small extracellular vesicles (sEVs) with RNA barcodes, enabling comprehensive analysis of their biogenesis and release regulators. This system allows for the simultaneous study of thousands of genes and estimation of sEV release from host cells.
A new review highlights the differences in brain aging and Alzheimer's disease between humans and non-human primates, revealing that primate brains are more resistant to aging-related damage. The study suggests that tau tangles play a critical role in Alzheimer's progression, challenging the amyloid cascade hypothesis.
Researchers from Salk Institute found that specific dietary fats are incorporated into sphingolipids to drive the development of atherosclerotic cardiovascular disease. The team discovered that trans fats are preferentially metabolized by an enzyme, leading to increased lipoprotein secretion and plaque formation.
Researchers from Universidad Miguel Hernandez de Elche found that bisphenol analogs BPF and BPS, marketed as safer alternatives to BPA, accumulate in biological membranes and disrupt endocrine function. The study suggests these compounds pose health risks similar to those of BPA.
Researchers at Institute of Science Tokyo develop an innovative strategy to produce β- and γ-naphthocyclinones, challenging compounds that have potential for medical and biological applications. They successfully synthesize the molecules using a retrosynthetic analysis approach, achieving yields of over 70%.
Researchers at Tokyo University of Science have successfully captured viral infection process under a light microscope using the giant Mimivirus. The footage showcases the proliferation of the virus and its release from cells, highlighting its biological significance in ecosystems.
The study analyzed antibody profiles from humans in three countries to reconstruct historical seasonal influenza patterns and individual lifetime infection histories. The findings revealed variation in incidence and antibody dynamics over the life course.
Rice bioengineers create a mathematical model that challenges long-held assumptions about IL-12's behavior in the body, suggesting repeated doses cause immune cells to hoard IL-12 before it reaches the bloodstream. The findings have significant implications for IL-12 therapy design and may lead to more effective dosing regimens.
A recent study published in the journal Microbiome found that lifestyle factors, such as diet and smoking habits, significantly impact the composition of beneficial bacteria in the mouth. The research team analyzed saliva samples from individuals representing different subsistence strategies in Nepal and discovered a correlation betwee...
Researchers developed a method to visualize AMPA receptors using PET scans, revealing differences in density and distribution between healthy subjects and those with psychiatric disorders. This discovery may lead to new diagnostic and therapeutic approaches for conditions like schizophrenia, bipolar disorder, and autism spectrum disorder.
A team of researchers, including Binghamton University's Ahyeon Koh, is working on an innovative project to treat inflammatory bowel diseases like Crohn's and ulcerative colitis. The goal is to create a 'cell factory' in the body that can produce pharmaceuticals to alleviate symptoms.
A new study led by Arizona State University researcher Michael Lynch explores the substantial energy demands required to maintain and evolve multicellular life. Multicellular organisms require a tenfold increase in energy compared to protists, highlighting how respiration and metabolic processes are crucial for advanced life forms.
Researchers synthesizing AI with biomarker analysis aim to detect early signs of aging and enable targeted interventions to delay disease. This approach has the potential to slow, prevent or reverse certain effects of aging.
Researchers developed an algorithm to analyze high-resolution spatial data from Seq-Scope and other technologies, called FICTURE. This enables scientists to see how and where a gene is expressed at microscopic resolution, improving our understanding of gene expression.
The study reveals individual components of the spliceosome are highly specialised, with unique regulatory functions. Altering the expression of one component can have widespread ripple effects on the entire splicing network.
A study of human skeletal remains from the Tudor warship Mary Rose reveals that handedness may influence clavicle bone chemistry as people age. The analysis found increased mineral content and decreased protein content in right clavicles compared to left, suggesting repeated stress on the right side during activities like sailing.
Researchers develop transcranial ultrasound stimulation (TUS) as a non-invasive therapy for brain-related issues, with potential for personalized treatments. A 'search and rescue tool' for the brain, TUS enables precise targeting of specific areas before treatment.
Research shows that animals, including humans, can become less sociable as they age to avoid diseases and parasites. This phenomenon, known as social ageing, may bring benefits, such as reduced competition and increased safety.
Researchers develop novel mathematical formalization, the quantitative omnigenic model (QOM), to understand how mutations affect diseases. The QOM combines state-of-the-art genome analysis with biological insights to explain polygenic diseases.
The GALAD algorithm combines AFP, AFP-L3, and PIVKA-II for HCC detection. Combining GAAD, GALAD, or PIVKA-II with ultrasound improves diagnostic efficiency compared to recommended strategies.
Researchers found that chimpanzees have a similarly narrow pelvis to humans, contradicting previous theories. The study proposes a new hypothesis that the obstetrical dilemma developed gradually and became increasingly exacerbated over evolution.
Researchers at MIT have discovered additional brain pathways that modulate dopamine release, influencing movement and emotional decisions. The newly identified pathways appear to relay emotional information that helps shape motivation to take action.
Researchers found that the presence of a fungus increases the pH of the soil, promoting growth of beneficial bacteria. This interaction could lead to sustainable agricultural practices by harnessing microbial interactions to combat plant diseases.
Researchers humanize the lupus-derived autoantibody 3E10, preserving its therapeutic efficacy, to create novel cell-penetrating antibodies targeting tumors and RAD51. Humanized variants exhibit faster cell uptake and superior in vivo tumor targeting.
Researchers identified a protein that could improve the cardiovascular health of patients with progeria, a rare genetic disorder. The discovery provides promising insights into potential treatments targeting cardiovascular complications in HGPS.
Researchers from the University of South Australia have identified a new EEG-based measure of sleepiness that could provide a diagnosis in just two minutes. The method tracks neuronal excitability, corresponding with the brain's sleep-wake processes and has wide-ranging implications for managing sleep disorders and workplace safety.
Researchers found that positive expectations lead to increased activity in pleasure-related brain regions, while negative expectations prime pain processing. The study suggests a dissociable impact of hedonic information, with positive expectations facilitating reward processing and negative expectations heightening anxiety.
A new study from the University of Waterloo suggests that men and women should eat different breakfasts to lose weight. The research found that men's metabolisms respond better to high-carbohydrate meals after fasting, while women are better served by higher-fat meals.
Researchers have developed a new treatment for deep diabetic foot ulcers, using intact fish skin grafts to promote healing. The study found that this innovative approach showed promising results in improving wound closure and reducing infection rates.
Researchers at Institute of Science Tokyo create terpene-based chiral capsules that facilitate the easy preparation of well-defined host–guest composites with tunable chiroptical properties. The resulting composites can be used in water without organic solvents, paving the way for advances in cutting-edge optical technologies.
Researchers found that humans slow their speech when talking to dogs to match the pets' receptive abilities, allowing for better understanding of commands. The study also revealed that dogs respond well to slower tempos and prosody in human speech.
Researchers at Tokyo Institute of Technology developed a method to precisely control the timing of DNA droplet division, mimicking biological Liquid-Liquid Phase Separation (LLPS) droplets. This breakthrough enables precise control over synthetic droplet dynamics, key to developing bio-inspired systems.
A new study using a mammal model suggests that fitness loss through spontaneous mutations will not significantly affect human populations. The research indicates that even without natural selection, the rate of fitness decline is not a cause for concern, providing reassurance about human viability in the near future.