Articles tagged with Human Development
Researchers have developed a method to differentiate human pluripotent stem cells into cell populations that form patterns resembling the facial primordium. This allows for the creation of an in vitro model to study early facial development and potential treatments for craniofacial disorders.
Researchers have gained new insights into the development of cells, their communication with each other, and regulation at the gastro-esophageal junction. The study reveals complex cellular communication and signaling pathways, which has significant implications for understanding, preventing, and treating gastrointestinal diseases.
A study published in PLOS ONE found that earlier puberty onset is associated with higher adult cardiometabolic risk and mediates the effects of childhood risk factors. The research suggests targeting puberty onset may improve health outcomes in at-risk girls.
Academics from the University of Birmingham suggest a new approach to identifying consciousness in babies, building on adult markers. They propose clustering markers across early and late development stages to pinpoint emergence.
Oxford researchers call for a more considered approach to AI development for children, highlighting four main challenges in applying existing ethical principles. The study recommends ensuring fair digital access, transparency, and safety, while involving children in system development.
Research highlights advances in developmental executive functions study from Latin American regions, finding both universality and cultural specificity in EFs development. This contextualized approach fosters effective pathways for supporting children's cognitive and emotional development.
The study reveals that a gene called mTOR, which works like a GPS, directs the specialization of liver cells according to their position. After birth, the fluctuation in nutrient supply triggers the activation of this gene, completing the maturation of the liver.
Researchers at WashU make the case that a public health priority focusing on these conditions can enhance brain development, cognition, and social-emotional development. The study evaluated 232 infants and found that even those from adverse conditions can thrive with access to these basic supports.
A new study led by Karolinska Institutet reveals the mechanism of sperm entry into the egg, explaining how mutations in egg coat proteins cause female infertility. The research also suggests potential implications for non-hormonal contraceptives.
A new study by the University of Texas at Austin found that babies who were prompted to touch their own faces developed self-recognition earlier than those who did not. This suggests that active experiences, such as touching one's body, play a crucial role in the development of self-awareness.
Researchers have developed a cell culture system that differentiates human pluripotent stem cells to amniotic and surface ectoderm, which are essential for human embryo development. The study found that the degree of cell crowding influences cell identity decision.
Mangrove forests in regions like southern India and eastern Australia are affected by human development, leading to a decline in global mangrove carbon stocks. The study predicts an annual rate of carbon emissions from mangrove loss will rise to 3,392 Teragrams by the end of the century.
Researchers have discovered a previously unknown mechanism behind immune tolerance, where B cells teach T cells to ignore the body's own proteins. This failure can lead to autoimmune diseases such as Multiple Sclerosis-like Neuromyelitis optica.
Scientists created a human heart organoid system to simulate embryonic heart development under pregestational diabetes-like conditions. The organoids recapitulate hallmarks of the condition and showed that ER stress and lipid imbalance contribute to the disorders. Exposure to omega-3s ameliorated the effects.
Christi Bergin's research focuses on improving prosocial behavior in classrooms and communities, leading to better student engagement, academic achievement, and relationships. Her approach aims to reduce teacher stress and burnout by promoting empathy and kindness among students.
A new study unveiled over a thousand protein-protein interactions during early embryonic development, highlighting the role of transcription factors like paired-like homeobox (PRDL) family. This research paves the way for understanding embryonic genome activation and advancing treatments for developmental disorders.
Researchers discover a virus, MERVL, plays a critical role in embryonic development by regulating gene expression and ensuring smooth transition from totipotency to pluripotency. This finding has significant implications for regenerative medicine and artificial embryo creation.
Researchers at São Paulo State University found a link between a protein-poor diet during pregnancy and an increased risk of prostate cancer in offspring. The study detected changes in the expression of over 700 genes in offspring, including the gene ABCG1, which is associated with prostate cancer.
A study found that firms can increase promotion and uptake of training programs by framing them in relational terms, strengthening the bond between worker and company. This approach signals a commitment to nurturing workers' development, leading to prolonged productivity collaborations.
Researchers used 'mini-placentas' to understand how the placenta interacts with the uterus, which is critical for fetal growth and development. The study identified key proteins involved in successful implantation and found clues on how pre-eclampsia occurs.
A new study published in Frontiers in Sports and Active Living found that resistance training before basketball practice has minimal to no effect on shooting performance. In fact, the only scenario where accuracy decreased was after upper-body training, but this decrease disappeared 30 minutes post-exercise completion.
Researchers at the University of Toronto found that the liver generates palmitic acid and sends it to the developing brain when dietary levels are low. The study highlights the importance of palmitic acid for brain health, particularly during development.
Scientists have developed mini-brains from human fetal brain tissue that self-organize in vitro. These lab-grown organoids can study brain development and disease, including brain tumors. They offer a valuable means to untangle the complex network of molecules involved in directing brain development.
Scientists are finding that risk factors for autism spectrum disorder boil down to a couple of core pathways in early human brain development, according to researchers using technologies like RosetteArray. This new understanding is helping identify potential targets for treatments.
A new genetic atlas details the gene expression programs that drive zebrafish development, revealing insights into human embryonic growth and the origins of diseases such as gastrointestinal disorders. The atlas provides a comprehensive resource for studying cell development and differentiation in vertebrates.
Researchers have discovered that immune cells play a crucial role in directing the growth of human lung tissue during development, revolutionizing our understanding of early lung development. The findings also suggest that early immune disturbances could manifest as pediatric lung disease.
A national study using telehealth assessments aims to identify infants with early behavioral differences that may indicate autism or developmental delays. The study will provide valuable insights into predicting these developmental skills and offer improved feedback and support for families.
Researchers at the University of Pittsburgh have developed a novel embryo-like model, heX-Embryoid, which replicates key features of early human development, including blood cell generation. The model has been shown to produce structures similar to blood islands and detect progenitors of red blood cells, platelets, and white blood cells.
Researchers at NYU Langone Health found that a protein called RhoA triggers forces that move group of 140 cells called the primordium, using a different mechanism than single cells. This study has implications for stopping the spread of cancer and understanding cellular mechanisms.
Scientists unveiled a spatial cell atlas of the entire developing human limb, capturing intricate processes governing rapid development. The study uncovers new links between developmental cells and congenital limb syndromes, such as short fingers and extra digits.
Researchers at Gladstone Institutes have identified cells and molecules that go awry in the developing hearts of fetuses in women with diabetes, leading to higher levels of retinoic acid activity. The study could eventually lead to interventions to lower heart malformations risk in babies born to women with diabetes.
A new study discovered microplastics in the placentas of Hawaiʻi mothers between 2006 and 2021, with increasing presence found each year. The researchers believe microplastics may be ingested through food or inhaling dust particles, raising concerns about their impact on fetal health.
A new study found that attending early childhood education and care during the pandemic had sustained benefits for youngsters' development, particularly for children from disadvantaged backgrounds. The study discovered that toddlers who spent more time in childcare produced more new words and understood more new words than their peers.
Researchers create a new, multi-chamber organoid model of the human heart, enabling them to advance screening platforms for drug development, toxicology studies, and understanding heart development. The model reveals intricate communication between chambers and provides insight into early heart development.
New research from University of Illinois Chicago identifies a potential 'stop growing' switch triggered by steroid hormone ecdysone in fruit flies, which may relate to human puberty. The study's findings have implications for understanding the growth-stopping process in humans, particularly given recent changes in puberty onset.
Scientists studied medial longitudinal arch of the foot, a key adaptation for efficient bipedal walking. They found variation in navicular bone morphology among flat-footed individuals and those with well-developed arches, suggesting inborn flat feet may be a normal variant.
Researchers found that babies as young as four months old display enhanced somatosensory brain activity when a touch is preceded by an object moving towards them. This suggests that even in the first few months of life, babies can sense their surroundings and understand how their bodies interact with space.
A review of 23 years of neuroimaging research finds that screen time affects the pre-frontal cortex and other brain regions involved in executive functions, memory, and processing. Digital experiences may shape children's brains and influence cognitive development, with both positive and negative impacts.
Researchers found that higher alcohol consumption is associated with biological age acceleration and hypertension in middle-aged and older adults, but not in young adults. The study suggests that alcohol consumption may mediate the association between alcohol intake and quantitative traits like hypertension.
Researchers at Trinity College Dublin discovered that autism-induced maternal immune response alters brain development and prevents infantile amnesia. Memories formed during infancy can be permanently reinstated through light-activated neural pathways in adults.
Researchers created an immunodeficient mouse model of physiological ovarian aging, mirroring female fertility decline with age. The study found decreased oocyte quality, impaired follicle activation and growth, and increased mitochondrial dysfunctions in Old mice.
A new MU study shows that high school students who attended college-run STEM Career Days were far more likely to have STEM-related career aspirations than those who did not attend. The study highlights the benefits of introducing high school students to STEM opportunities and can help increase diversity in the STEM workforce.
Older adults with a GED certificate have higher odds of cognitive impairment, hearing impairment, and limitations in daily activities compared to high school graduates. The study suggests that the cognitive reserve hypothesis may partially explain these disparities, as well as access to healthcare services.
Researchers at King's College London are studying the effects of maternal prenatal exposure to COVID-19 infection on children's brain development. The six-year study will explore how the maternal immune system affects fetal brain development and identify potential impacts on childhood outcomes.
A foundational public dialogue project in the UK found broad public support for extending the 14-day rule on human embryo research, which aims to inform future policy development and research governance. The project engaged diverse participants to consider early human embryo research and its applications.
A new study from the University of Illinois found that accurate perception of partner's behavior is key to maintaining relationships. Relationship satisfaction acts as a moderating factor between relationship maintenance and commitment.
Researchers have created detailed cell maps of the human brain and nonhuman primate brain, paving the way for new generation of treatments for mental disorders. The study reveals a comprehensive inventory of brain cells, their organization, and gene regulation, setting the stage for developing targeted therapies.
Two parallel projects publish detailed cell atlases of the adult human brain and brain development, revealing over 3,000 cell types, including new insights into brain diseases and potential therapeutic targets. The freely available brain atlases will enable researchers to compare healthy brains with diseased ones.
Researchers created the first 'multiome' atlas of brain cell development in the human cerebral cortex, revealing specific changes in chromatin structure that precede gene expression. The study pinpointed regions associated with genes linked to neuropsychiatric disorders like schizophrenia and bipolar disorder.
Research suggests that the gut microbiome plays a crucial role in forming a healthy placenta during pregnancy. Mice with depleted gut microbiomes had smaller placentas and less-developed blood vessels, which can deprive fetuses of nutrients. However, supplementing these mice with short-chain fatty acids restored placental growth.
A study from the University of Illinois found that relationship interventions can increase perceived gratitude among low-income couples, which declined over time due to factors such as age and lack of appreciation. The interventions improved communication, satisfaction, but not gratitude, suggesting a unique effect on this dimension.
A new study from the University of Illinois found that children of parents with higher work-related stress have lower socioemotional competency at age 4-5. Meanwhile, mothers' job dissatisfaction does not impact family mealtimes, but fathers' financial dissatisfaction leads to reduced attendance and negative child development outcomes.
Researchers tested five chemicals on zebrafish embryos and found that all caused impaired migration of bone-forming cells, leading to facial malformation. The study suggests a potential general mechanism underlying teratogenic chemicals and proposes using zebrafish as an alternative method for testing cross-species teratogens.
Researchers at the University of Helsinki and NIH found that the ectoderm retains its pluripotency during gastrulation, challenging previous understanding. This discovery sheds light on the chain of events in early embryonic development and has implications for neural crest stem cell potential.
A groundbreaking study by Florida Atlantic University reveals that agency emerges from the coupled relation between humans and their environment. Infants are found to discover their causal powers and transition from spontaneous to intentional behavior at a critical level of coordination, marking an abrupt increase in movement rate.
A new study led by Dr. Armen Saghatelyan uncovered the migratory mechanisms of neuronal cells in a neurodevelopmental disorder. The team found that modulating autophagy with FDA-approved drug metformin restored the cells' migratory properties.
A study found that specific proteins in breast milk correlate with the abundance of certain gut microbes in infants, potentially playing a role in early immune and metabolic development. The research suggests a regulatory function of these proteins on the immune function of the gut microbiome in humans.
Research found alterations in proteins that can affect autophagy, a self-eating process of damaged cells. Healthy newborns showed individual responses to prenatal exposure to air pollution, with some more vulnerable than others. The study aims to understand the impact on breathing problems during infancy and childhood.
Babies with more mature gut microbiota at one year old are less likely to develop allergy-related wheeze or asthma. The study, which followed 1074 babies from birth to four years old, found that increased maturity of the gut microbiota was associated with a lower risk of these conditions.
The American Heart Association and NFL offer resources to support physical activity in classrooms. The initiative aims to promote whole-body health and reduce sedentary behaviors among students.