Articles tagged with Human Development
Researchers have successfully edited genes in human embryos using base editing, but the technique also causes unpredictable changes and is not safe for clinical use. The study's findings highlight the need for caution when applying gene editing technologies to human embryos.
A new Cochrane review analyzed 11 studies involving 2,524 women undergoing embryo transfer, finding no reliable evidence that preparatory techniques improve IVF success rates. The techniques examined included straightening the utero-cervical angle and removing cervical mucus before transfer.
Researchers have developed a new tool to screen genes involved in human development at unprecedented scale and speed. The method, using organoids from human pluripotent stem cells, revealed new insights into human brain development, including the role of ZIC2, SOX11, and ZNF521 genes.
An international team published a white paper on embryonic models based on stem cells, proposing guidelines for research and regulation. These models can mimic early human development stages, potentially aiding in understanding infertility conditions.
Researchers explore human infant helplessness as a unique aspect of human development, highlighting its role in social collaboration and cultural innovation. Human infants' helplessness is characterized by well-developed sensory systems and weak motor skills, making them dependent on caregivers for extended periods.
Scientists studied Neanderthal DNA to understand how facial features develop and evolve. They found a region of DNA that activates the SOX9 gene, leading to a larger lower jaw in Neanderthals. This discovery sheds light on the genetic mechanisms behind face variation and evolution.
Researchers from The University of Osaka have demonstrated that vision transformers can spontaneously develop human-like visual attention patterns without specific training. This breakthrough showcases the potential of self-supervised learning for advancing AI applications and modeling biological vision.
Scientists at the University of Michigan have developed an improved model system to study embryo development, revealing insights into critical periods of formation. The new system allows for the prolonged culture of gastruloids, enabling researchers to visualize key processes such as mesoderm migration and gene expression.
Scientists successfully grow chimpanzee naive-type pluripotent stem cells, revealing key mechanisms for self-renewal and differentiation. The study's findings shed light on the evolutionary conservation of these properties, offering a powerful tool for investigating early developmental processes.
A study from the University of Missouri found that caregiving stress looks different for adults who are only children compared to those with siblings. Adult only children faced greater emotional and financial strain, while support from friends or extended family improved mental health for caregivers with siblings.
A recent psychological study found that high levels of toxic metals in mothers and newborns are associated with early childhood development problems. Breastfeeding during the first six months is generally considered favourable to an infant’s health, but exposure to toxic metals reduces its intensity and duration.
Researchers discovered that infants at 15 months old can use conversational contexts to form initial representations of new words, which helps them later recognize the word when the object is visible. By 12 months, infants may not yet have enough familiarity with familiar words to begin forming a representation of a new word's meaning.
Research reveals DHX36 plays a crucial role in normal chromatin architecture and rRNA homeostasis during oocyte growth. DHX36 deficiency impairs meiotic maturation, post-fertilization embryonic development, and disrupts ribosome assembly.
The University of Virginia has appointed Dr. Mark T. Esser as the inaugural head of its Manning Institute, a $350 million facility aimed at transforming healthcare and accelerating new treatments. Esser brings decades of experience in developing new medical breakthroughs and will foster an ecosystem of innovation to attract biotechnolo...
Researchers have found that puberty triggers significant changes in brain connectivity patterns in individuals with a rare genetic disorder tied to autism. The study suggests that synaptic dysfunction during development may contribute to the condition's behavioral challenges.
A research group has uncovered a potential mechanism linking maternal inflammation to delayed neurodevelopment in infants. CD11c-positive microglia, crucial for myelination, play a key role in this process.
A complete Quina technological system, used for making tools, was discovered in southwest China dating back 50,000 to 60,000 years. This finding disputes the widely held belief that development in China was sluggish during most of the Paleolithic period.
Professor Karen Adolph, a leading researcher in infant motor development, has been named an American Association for the Advancement of Science Fellow. Her work focuses on understanding how infants adapt to changes in their bodies and environments through observable motor behaviors and technologies.
A new study presents a proof-of-concept leptomeningeal neural organoid (LMNO) fusion model to study meninges-brain signaling. The co-culture system of neural organoids fused with fetal leptomeninges from mice demonstrates stability and interface characteristics.
Researchers at UC Santa Cruz engineered cellular models of embryos using CRISPR technology, allowing them to study early developmental stages without experimenting with actual embryos. The team found that 80% of stem cells organized into embryo-like structures, showcasing a remarkable collective behavior and molecular composition.
A study found that African American youth who sought parental advice and received elaborate cognitive restructuring guidance had more positive social appraisals. Practitioners can equip parents with tools to enhance their parenting strategies and provide supportive guidance.
Researchers identify how a balance of innate structure and flexible learning produces our remarkably organized visual brains. They found that regions in the ventral temporal cortex have distinct cellular organization and white matter connections from birth.
A study found that maternal depression can negatively influence children's executive function and lead to emotional overeating. Mothers with postpartum depression may model unhealthy coping mechanisms for their children, affecting their ability to regulate emotions and develop healthy eating habits.
The Tots & Tech Study aims to understand how children and families grow, sleep, move, and interact with technology. Families will participate in 20 hours of activities over three years, earning up to $1,200, with no risks involved.
Developing heart cells use filopodia to probe and grab onto potential partners, seeking stability through energy equilibrium. The model predicts how cells match and rearrange, mirroring real embryo outcomes.
A McMaster University research team identified several small molecules in blood that inversely associate with developmental outcomes. The study highlights the complex connections between diet, gut health and a child's growth and cognitive milestones.
A University of Missouri survey found that 78% of nearly 500 teachers have considered quitting since the 2020 pandemic. Experienced teachers were more likely to consider leaving due to inadequate administrative support and excessive workloads.
Researchers found that negative early life experiences can lead to delayed brain development in adolescents, increasing vulnerability to mental health disorders. The study suggests brain connectivity rather than cognitive control behavior is a stronger predictor of future substance use.
A nationwide Danish study found that newborns with seizures are at a higher risk of developing epilepsy. The study analyzed data from over 1.3 million children and found that 20.4% of those with neonatal seizures developed epilepsy, compared to 1.15% of those without.
Scientists discovered a novel method to activate extraembryonic trophoblast potentials in conventional human pluripotent stem cells through transient treatment of epigenetic regulators. This approach holds promise for advancing understanding and treatment of diseases related to placental development.
Researchers found that playing classical music can smooth variations in fetal heart rates, indicating potential benefits for fetal development. The study used mathematical analysis tools to identify patterns in heart rate variability and found that exposure to music resulted in more stable and predictable patterns.
A study published in Research and Practice in Thrombosis and Haemostasis found that adding amniotic fluid to plasma improves blood's ability to thicken and clot. The research also identified changes in amniotic fluid composition over time, which can affect maternal and fetal health.
The NFL and American Heart Association partner for the NFL PLAY 60 Fitness Break broadcast series, promoting physical activity in elementary schools ahead of Super Bowl LIX. The broadcasts feature exercises and drills to help kids meet the recommended 60 minutes of moderate-to-vigorous physical activity daily.
Research using fMRI to image brain activity in sleeping infants reveals that they process odors as early as one month old. The study found that distinct odors did not trigger unique activation patterns, unlike adults. Infants also inhale more vigorously when scents are appetitive than aversive.
UVA researchers analyzed 300 blood serum samples from babies who died from SIDS and identified specific biological indicators linked to their deaths. The study found 35 predictors of SIDS, including ornithine and a lipid metabolite critical for brain and lung health.
A deficiency of TLE6 protein, associated with female infertility, was also linked to abnormal sperm morphology and reduced motility in male mice. The study suggests that TLE6 plays a crucial role in energy production in sperm cells.
Researchers found that adolescent rodents fed a high-fat diet showed poor control during motor inhibition tasks and conservative decision-making in adulthood. The study suggests that a high-fat diet in adolescence can provoke long-term changes in impulsive behavior.
Researchers at UCSF have discovered a new type of stem cell in the young brain that can form cells found in tumors, shedding light on how adult brain cells grow and develop into deadly brain cancers. The study provides a comprehensive roadmap for understanding healthy brain development, which could lead to better treatments for conditi...
A recent study found that socioeconomic inequalities trap local governments in a cycle of limited resources, rising inequality, and declining capacity to meet citizens' needs. Strategic, targeted interventions are necessary to break the cycle of inequality and enhance public satisfaction with local governance.
A new study reveals that pregnant and postpartum individuals often have low-quality diets, which can impact their short- and long-term health outcomes. The study found that lower-income women and those with higher body mass indexes tend to have lower diet quality scores.
Researchers created human stem cell models containing notochord, a tissue guiding spine and nervous system formation. The model's chemical signals organize surrounding tissue similarly to natural development, enabling studies of developmental conditions and disorders.
A new tool developed by Penn State researchers uses computer vision and artificial intelligence to analyze placenta images, detecting abnormalities and risks such as neonatal sepsis. The PlacentaCLIP+ model has the potential to transform neonatal and maternal care in low- and high-resource settings.
A new NIH study has found that spending time in childcare does not significantly affect young children's mental health, even among those facing early adversity. The study followed over 2,000 parent-child pairs and found no link between hours spent in childcare and symptoms of anxiety, depression, or aggression.
Sage has acquired Mary Ann Liebert, Inc., expanding its portfolio of peer-reviewed journals in biotechnology and life sciences. The acquisition enhances reach and impact, ensuring high-quality science continues to make a difference.
A team of experts has discovered that the ARID1A gene regulates a critical genetic program for cell migration, with ZIC2 identified as a crucial regulator in this process. This study expands our understanding of craniofacial development and provides valuable insights into the genetic causes of congenital diseases.
The ChangeMaker K-12 program equips rising educators with skills to teach engineering and human-centered design to K-12 students. The program has already seen six cohorts of teacher candidates and over 200 students in grades 1-5 participate.
Researchers found that prenatal exposure to Akkermansia muciniphila increased offspring's stem cell activity, leading to less anxiety and faster recovery from colitis. Postnatal exposure did not replicate these effects. The study suggests microbiome-based intervention strategies may improve child health.
A study from Tulane University found that a low-protein diet in one generation can lead to lower birthweights and smaller kidneys in offspring across multiple generations. The findings suggest that food scarcity or malnutrition may result in decades of adverse health outcomes.
Researchers created a comprehensive map of blood cell changes from fetal development to old age, finding that leukemia cells can reflect young or old blood cell production. Patients with leukemia whose cells resemble young blood cells have a worse prognosis.
A recent study has identified Kif23 as a key regulator of embryonic brain development, highlighting its potential link to microcephaly. The research found that Kif23 is essential for neural progenitor cell proliferation and differentiation, with deficiency leading to decreased cell growth and increased apoptosis.
Scientists have developed a new organoid that includes all three key cell types in the pancreas, allowing for a clearer understanding of its early development. The research discovered a new stem cell type that can develop into these cells, and found differences between human and mouse pancreatic development.
A UC Riverside study found that probiotic supplementation can reduce the negative impacts of PBDEs on neurodevelopment, behavior, and metabolism in mouse offspring. The researchers discovered that LR treatment helped normalize body weight gain and tooth eruption timing, as well as improved glucose metabolism and insulin levels.
A study found that maternal immune activity during pregnancy affects offspring's long-term memory circuitry and function in childhood and midlife. Elevated levels of IL-6 and TNF-a in mothers were linked to adverse brain activity in memory circuitry, particularly in postmenopausal women.
A two-week arts intervention found to have a positive impact on mental health and well-being in adolescents with depression. The study suggests that engaging in the arts offers a pathway for exploring new ways of thinking, developing insights, and sparking self-discovery.
Researchers observed distinct growth patterns in brain functional networks during the birth transition, with some areas showing minimal changes and others undergoing dramatic reorganization. The subcortical network was found to exhibit significant increases in communication efficiency at birth.
A team of researchers found that early Homo, dating back 1.77 million years, had a prolonged childhood despite having a small brain. This discovery suggests that an extended childhood and cultural transmission in three-generation social groups led to the evolution of larger brains.
A global research team, led by Indiana University's Linda Smith, will investigate how shape perception influences language acquisition in children with typical and atypical developmental trajectories. The project aims to develop a cross-disciplinary theory of the dynamic interaction between language and cognitive systems.
The study highlights widening cancer disparities across Human Development Index regions, age, and sex. Strengthening healthcare access and quality is crucial for evidence-based cancer prevention, diagnostics, and care.
The National Institutes of Health has announced the winners of a $2 million prize competition to develop innovative medical technologies for fetal health diagnosis, detection, and monitoring. Two top winners have developed devices that can detect fetal stress and congenital heart disease, while another technology aims to monitor fetal ...
A study by researchers at the University of Zurich found that common marmosets' brain development is shaped by prolonged learning from social interactions, similar to humans. This similarity suggests that early-life social experiences may be crucial for the formation of neural and cognitive networks in humans.