Articles tagged with Brain Development
Dr. Xuyu Qian's pioneering research using MERFISH technology created an unprecedented developmental atlas of the human cerebral cortex, analyzing over 18 million single cells. His work aims to identify mechanisms disrupted in conditions like malformations and autism spectrum disorder.
A study published in Nature Communications reveals that neurons in mice brain rewire and refine their connections to integrate visual signals from both eyes over a 10-day period. The researchers found that only 40% of the initial synapses survived, with 24% added and 27% removed, indicating an extensive process of synaptic turnover.
Researchers found that rats with shorter second digits exhibit stronger sexual behavior, including a preference for female scent and frequent ejaculations. This study reveals the impact of fetal hormone exposure on brain development and highlights the link between body and mind.
Early life exposure to perfluorohexanoic acid (PFHxA) may increase anxiety-related behaviors and memory deficits in male mice. Researchers found that males exposed to higher doses of PFHxA showed mild developmental changes, including decreased activity levels and increased anxiety-like behaviors.
A study in mice reveals that only 40% of synapses survive during critical development, with active spines more likely to endure. Clustering of spines also emerges, allowing them to combine activity and enhance visual processing.
Researchers found that co-exposure to bisphenol A and retinoic acid disrupts neurodevelopmental gene signaling, leading to brain abnormalities. The study suggests a potential link between chemical exposure and neurodevelopmental disorders like autism spectrum disorder and attention deficit hyperactivity disorder.
A new study found that babies are born with the ability to sense physical pain but lack the cognitive understanding of it. The research, led by UCL researchers, used brain imaging data from infants and adults to map the development of pain-processing networks in the brain.
Bioengineering researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a soft, thin, stretchable bioelectronic device that can be implanted into a tadpole embryo's neural plate, recording electrical activity from single brain cells with millisecond precision.
Researchers found that greenspace exposure is associated with widespread patterns of structural brain development during early adolescence, leading to better academic and mental outcomes. This study highlights the importance of integrating natural environments into urban and educational settings.
Researchers have discovered that the brain uses separate synaptic transmission sites to regulate spontaneous and evoked activity, a process essential for learning, memory, and mental health. This dual system enables the brain to maintain stability while adapting and learning.
As people age, their brain connectivity is disrupted, affecting their ability to form and maintain relationships. This study uses brain scans to show how intrinsic functional connectivity networks mediate the impact of age on sociability.
Salk Institute and UC San Diego researchers captured the first-of-its-kind video of dynein-Lis1 protein interaction, revealing 16 detailed shapes that support designing therapeutics to restore dynein and Lis1 function. The insights gained from this movie will help identify precise locations where drugs can interact with the proteins.
Researchers have identified a four-amino-acid mini-exon in the PTPδ gene that plays a critical role in brain development and behavior. The study found that deleting this mini-exon led to anxiety-like behavior and reduced movement in mice, highlighting its essential role in maintaining synaptic balance.
A new study from UC Berkeley reveals that the depth of small grooves on the brain's surface is correlated with increased connectivity between regions involved in reasoning. The researchers found that these tertiary sulci, unique to humans, may help explain individual differences in cognitive performance and serve as diagnostic indicato...
Researchers at USC Dornsife College of Letters, Arts and Sciences have developed a powerful new method for selectively and reversibly breaking connections between brain cells, targeting specific synapses without harming neurons. The technique, inspired by the brain's own system for recycling proteins, allows for the elimination of eith...
A US study found that teenagers with abdominal obesity have larger brain areas, particularly in the hippocampus and amygdala, which play critical roles in memory, learning, and emotion regulation. This research raises serious concerns about the impact of obesity on brain development and long-term health risks.
Common prescription medications can disrupt sterol biosynthesis, potentially causing developmental disorders. The editorial highlights the need for mandatory sterol biosynthesis screening in clinical practice.
The Feihe Pediatric Brain Development Research Initiative at Boston Children's Hospital aims to improve brain development through genetic, nutritional, and environmental factors. The initiative has awarded funding to seven researchers working on projects related to prenatal and postnatal brain development.
Two studies found concerning levels of phthalates, flame retardants, and UV-filters in bedroom air around children's beds, linked to neurological and reproductive problems. The researchers call for stronger regulations on the use of these chemicals in children's mattresses and recommend parents take actions to reduce exposure.
Researchers discovered a novel mechanosensing mechanism allowing neurons to adjust their movement strategy when navigating confined spaces. Neurons use PIEZO1 protein channel to detect mechanical stress, triggering a signaling cascade that relocates motor proteins and generates contractile forces.
A recent study published in Nature Communications found that exposure to phthalates during pregnancy can affect newborns' metabolisms and brain development. The study, led by researchers at Emory University, discovered that these chemicals can cross the placenta and impact baby's biology before birth.
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 new study found that children exposed to higher levels of air pollution have weaker connections between key brain regions, potentially disrupting normal brain network development. The associations persist throughout adolescence, suggesting persistent disruptions in brain function.
Researchers are developing centrally acting catechol Omethyltransferase (COMT) inhibitors to treat cognitive impairment in certain neuropsychiatric disorders. The Lieber Institute's collaboration with Boehringer Ingelheim is exploring novel treatments for these impairments, which affect millions of people worldwide.
Researchers found that lower environmental temperature during pupal development correlates to more synapses and postsynaptic partners in the brain, which affects odor-driven behavior. The study suggests a metabolic theory for brain wiring at different temperatures.
Scientists found that parts of human chromosomes have evolved rapidly to enable complex brain development in humans. However, this acceleration may also lead to neurodevelopmental disorders like autism. The study used artificial neurons derived from human and chimpanzee cell lines.
A new study reveals that schizophrenia's complexity is reflected in the individual brain structures of patients, with some experiencing perceptual disturbances and others cognitive impairments. The research suggests a precision medicine approach could tailor therapies to each patient's unique neurobiological profile.
Researchers at Tel Aviv University have developed a novel method to measure PTEN gene activity, which is associated with cancer and autism. This breakthrough may lead to personalized therapeutics and earlier disease detection.
Researchers have discovered that commonly prescribed medications can disrupt sterol biosynthesis in developing brains, potentially affecting neural development and function. The study highlights the need for reevaluating medication safety during pregnancy and early childhood.
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.
Heavy screen use, particularly social media and video games, is associated with an increased risk of developing manic symptoms in U.S. preteens. The study found that prolonged screen time can lead to behaviors characteristic of bipolar-spectrum disorders, including inflated self-esteem, decreased sleep needs, and impulsivity.
A study of 23-year-olds in Europe found over half exhibit restrictive, emotional, or uncontrolled eating behaviors. Structural brain differences play a role in the development of these habits.
A recent study found that childhood maltreatment is associated with specific epigenetic patterns in sperm, which may mediate effects on offspring brain development. The study also reveals changes in sperm DNA methylation and small non-coding RNA molecules in men with high levels of maltreatment.
Researchers found that human cells have higher gene expression rates compared to chimpanzees, with 5-10% of genes showing significant differences. Human glial cells, particularly oligodendrocytes, showed the greatest variations in gene expression, suggesting a link to human brain complexity.
Renowned neuroscientist Dr. Michael Meaney discusses his pioneering work on the intricate relationship between genes and environment in shaping brain health, with implications for public health policy and early intervention programs.
UCSF Medical Center has received the highest possible rating for maternity care, reflecting its commitment to clinical excellence and interdisciplinary collaboration. The hospital's maternal care teams include a broad array of expertise, including nurse practitioners, midwives, and obstetrician anesthesiologists.
A study of over 6,000 adolescents found that those with symptoms of gaming addiction showed lower brain activity in the decision-making and reward processing region. This suggests a link between reduced sensitivity to rewards and problematic gaming behaviors.
Researchers found that desert ants rely on the polarity of the geomagnetic field to navigate during learning walks, contradicting previous findings in other insects. The team manipulated magnetic fields and observed the ants' behavior, concluding that a compass-like navigation system is useful for short-distance navigation.
A study by IRB Barcelona has identified a molecular mechanism underlying idiopathic autism, linking the lack of a specific neuronal microexon to decreased gene expression crucial for neuronal development. The discovery reveals how CPEB4 condensates regulate gene expression and highlights potential therapeutic approaches.
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.
Research reveals transgender and gender-diverse preteens are 15% less physically active than cisgender peers, with 1,394 fewer steps taken daily. This disparity may be due to stigma and discrimination discouraging team sports participation.
A new class of neurological diseases called TRiCopathies has been identified, linked to mutations in a protein complex that helps fold proteins correctly. The study found that patients with intellectual disabilities and seizures have defects in the TRiC complex, which affects brain development and function.
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.
Researchers discovered a protective inherited mutation in the ADNP gene that enhances protein interactions and offers protection against developmental disorders. The study challenges previous assumptions about genetic mutations and their impact on brain development.
A study found that prenatal exposure to THC increases dopamine release and rewires the fetal brain, leading to a higher risk of opioid addiction later in life. The research suggests that THC exposure during pregnancy may contribute to neurobiological vulnerabilities, making individuals more susceptible to addiction-like behavior.
A genetic mutation that causes Huntington's disease may also enhance early brain development and play a role in promoting human intelligence. Children with the HD mutation have bigger brains and higher IQ than children without the mutation.
A University of Minnesota Medical School research team has found that giving iron supplements to children living with HIV can optimize brain development. The study, published in the Lancet HIV journal, demonstrates that iron is not only beneficial but also safe for these children.
Research reveals that antenatal corticosteroids can lead to smaller volumes of key brain areas in preterm infants, affecting emotion processing and motor control. The study suggests a delicate balance between benefits for respiratory health and potential risks to neurological development.
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.
A study led by Graciela Pineyro and Tomas Paus found that cannabis use in adolescence can lead to thinning of the cerebral cortex, affecting communication between neurons. The researchers used a combination of methods to demonstrate THC's impact on brain cells and identified genes associated with cortical thinning.
A new study finds that the FOXG1 gene has a dual function in regulating RNA transcription and translation, essential for proper brain development. The discovery raises questions about the evolution of this complex mechanism and its potential role in neuroplasticity.
Researchers found that female mouse models of Rett syndrome have a mosaic-like distribution of cells expressing wild-type and mutant MeCP2 protein, leading to dysregulated genes. The study also discovered an unusual disease progression, with females having more dysregulated genes at the pre-symptomatic stage than later on.
A new study by Simon Fraser University researchers found that folic acid supplementation may weaken the link between blood-lead levels and autistic-like behaviors in children. The study suggests that adequate folic acid supplementation mitigates the neurotoxic effects of lead, reducing the risk of autism.
Research led by Silvia Cappello reveals that extracellular vesicles play a crucial role in the development of the brain, facilitating communication between different cell types. The study found that these vesicles can transport specific molecular signals to the nucleus of recipient cells, inducing rapid transcriptional changes and infl...
A new large-scale longitudinal study will investigate the environmental, lifestyle, social, and clinical factors affecting brain development in children with type 1 diabetes. The five-year study aims to refine clinical guidelines and targeted treatments for children with diabetes.
A new study finds that excessive social media use is associated with a higher risk of eating disorder symptoms in 9-14-year-olds, including binge eating and distress over weight gain. Problematic screen use may contribute to unhealthy behaviors and addictive tendencies.
Researchers found that exposure to PFAS triggers altered activity of the ppar gene group, leading to changes in swimming behaviour and startle response in zebrafish larvae. The study suggests that PFAS may also have effects on human brain development and behavior.
A faulty copy of the ZNRF3 gene can lead to abnormal brain growth and neurological symptoms. The study found a correlation between patients' brain size and the location of mutations in the gene.
A study in mice found that the bacteria Bifidobacterium breve supports healthy brain development in fetuses, improving nutrient transport and cell processes. This discovery suggests using probiotics during pregnancy may support fetal brain health and future treatments for growth restriction could focus on maternal gut health.
A new study by Ohio State University Wexner Medical Center found that probiotics can improve the immune system and behavior of both mothers and their offspring during pregnancy. Probiotics may also help counteract negative effects of prenatal stress, such as changes in brain inflammation and amino acid metabolism.