Articles tagged with Neurological Disorders
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A new study reveals distinct DNA methylation profiles of human microglia cells across different age groups, disease states, and brain regions. The researchers found that interindividual differences in methylation variability had a larger impact than regional or diagnostic differences.
Cleveland Clinic researchers have identified the gut microbial gene cluster responsible for converting carnitine into TMAO, which promotes heart disease and stroke. The study found that dietary modifications may help reduce diet- and TMAO-associated cardiovascular disease risk by targeting the gbu gene cluster.
A long-term study found that academic education can positively affect aging of the brain, with reduced degenerative processes and improved cognitive performance. Participants with an academic background showed a lower increase in signs of brain degeneration and faster processing speeds.
Researchers found that a genetic mutation associated with severe congenital epilepsy also leads to neural degeneration, inflammation and behavioral symptoms in mice. The study suggests the mutation as a potential target for treatment.
Researchers found correlations between brain morphology and sensory characteristics in adults with ASD, suggesting structural changes may cause sensory abnormalities. The study aims to improve diagnosis and treatment options for ASD beyond behavioral indicators.
A new study using the world's largest twin registry data finds that hormone levels before birth may contribute to migraine risk in adulthood. The research also suggests that genetic factors for migraine risk are different between men and women, potentially leading to more effective treatment options.
Researchers from Tel Aviv University have identified the biological mechanism causing nerve destruction in ALS, a fatal neurodegenerative disease. They found that TDP-43 protein accumulation in neuromuscular junctions inhibits local protein synthesis and mitochondrial activity, leading to degeneration and death of motor neurons.
A study by UC Riverside researchers shows that reactivating the Fmr1 gene in young transgenic mice with Fragile X syndrome eliminates symptoms. This breakthrough treatment offers hope for young children living with FXS and suggests targeting early brain development may be effective.
Researchers at the University of Göttingen studied how blocking certain enzymes affects brain adaptability in healthy and diseased mice. In healthy mice, inhibiting these enzymes blocked neuronal plasticity, while in stroke-affected mice, it restored lost plasticity.
Researchers have found consistent patterns in GABAergic neuron development between humans and mice, shedding light on the causes of neurodevelopmental disorders like autism and schizophrenia. The study uses single-cell RNA sequencing to create detailed maps of gene expression during human brain development.
A team of researchers has recorded electrical signals in the human brain associated with ebbs and flows in OCD symptoms over an extended period. The study could lead to an emerging therapy called deep brain stimulation that adjusts to everyday changes in OCD symptoms, potentially providing more relief and fewer side effects for patients.
Researchers from Tokyo Medical and Dental University found that PQBP1 interacts with Tau protein to drive an immune response in the brain. The study reveals a mechanism of inflammation that functions in both viral infection and neurodegenerative disease.
Children with autism spectrum disorder should be screened for abnormally high or low cholesterol levels, according to physicians. Research found reduced HDL-C levels in individuals with ASD, indicating a risk factor for cardiovascular disease.
A new web-based application can predict which epilepsy patients will not benefit from stereo-electroencephalography (SEEG), a costly and invasive procedure. The '5-SENSE' score reliably identifies patients who will not have a focal seizure onset zone, allowing clinicians to avoid unnecessary procedures.
The study, published in Nature Aging, found that sildenafil reduces the likelihood of developing Alzheimer's disease by 69% compared to non-users. Sildenafil also shows promise in treating the disease by increasing brain cell growth and decreasing hyperphosphorylation of tau proteins.
Researchers found improvements in verbal learning and memory and preservation of hippocampal volume in participants with relapsing-remitting multiple sclerosis after 12 weeks of supervised treadmill walking exercise. A targeted pilot randomized controlled trial demonstrated the effectiveness of this intervention for managing cognitive ...
Researchers found that gut microbiome changes can reduce b-amyloid deposits in male mice, indicating a potential target for preventing and treating dementia. Daily fecal matter transplants restored the pre-antibiotic microbiome, suggesting microglia memory plays a role.
A new 'image analysis pipeline' called TDAExplore gives scientists rapid insight into how cells are changed by disease, using a combination of microscopy, topology, and artificial intelligence. This approach can provide objective information on cell changes, such as the movement of proteins like actin, even with limited training data.
Researchers discovered that frequency-following responses to speech sounds are highly conserved across species, including monkeys, guinea pigs and humans. This finding could lead to the development of specific markers for speech impairments and improve clinical diagnostics.
Young veterans with mTBI experience premature cognitive decline in specific domains, matching elder normative scores and early-stage Parkinson's patients. The study highlights the significant negative impact of mTBI on cognitive function compared to healthy non-veterans.
Researchers developed a technology that accurately detects lies by analyzing facial muscle contractions, achieving a success rate of 73%. The study identified two distinct groups of 'liars' based on cheek muscle and eyebrow activation, with potential implications for real-life deception detection.
Researchers discovered short bursts of activity in the brain, known as 'events,' which occur regardless of brain state or activity. These events are guided by the brain's structural network and may be tied to the physical structure of brain regions, offering a potential new avenue for understanding brain injuries and disorders.
Researchers found that candesartan reduces accumulation of extracellular matrix proteins and normalizes blood flow in mice with hereditary cerebral small vessel disease. The study suggests a potential new treatment avenue for age-related cerebral arteriopathy.
Researchers at Universidad Complutense de Madrid have discovered alterations caused by ALS in the retina, which can be used as biomarkers for diagnosis and treatment monitoring. The study found changes in microglial cells and ganglion cell loss, with modifications evolving over the course of the disease.
Research reveals that dyslexic children process visual information slower and less accurately than their peers, with brain activity differences detected. This study challenges previous assumptions about the effects of dyslexia on brain processes.
Research published in JNeurosci found that children with dyslexia take longer to gather visual evidence, indicating altered motion processing and decision-making. This slowdown corresponds to differences in brain activity, particularly in centro-parietal regions involved in decision making.
Studies using virtual reality environments revealed that individuals with anxiety disorders exhibited increased brain activity in response to perceived threats, even in safe areas. The findings highlight the need for personalized treatments that help patients regain control over their body.
Researchers have created a mouse model of A-T, a disorder characterized by severe motor coordination loss and premature death, to test a promising new therapy. The study demonstrates that the therapy restores ATM production in tissues from A-T mutant mice.
A new report highlights the alarming global impact of Group B streptococcus, which can lead to up to 150,000 infant deaths annually. Maternal vaccination is seen as a cost-effective solution to reduce this toll, with significant health benefits in all regions.
A study by GIST scientists found that physical interaction between children with cerebral palsy and horses improves motor skills and balance. The research team recorded horse and child movements, tracking acceleration and angular velocity to quantify interactions, which were linked to improved outcomes.
A review of current literature found irregular brain responses to challenging tasks and mistakes may be key to understanding links between abnormal behaviors in mental illness and cognitive disorders. Studies suggest that people with conditions like anxiety, OCD, and ADHD have different brain waves following mistakes compared to health...
Researchers at the University of Waterloo have created a deep neural network that detects disease biomarkers with high accuracy, achieving 98 per cent detection of peptide features. This breakthrough could enable earlier and more accurate disease detection through tissue sample analysis.
Researchers found that small fiber neuropathy affects 13.3 per 100,000 people, with rates increasing over time. The condition is often associated with obesity, diabetes, insomnia, and heart attacks, highlighting the need for screening and prevention methods.
A new canine mutant model mimics human cerebrovascular disease by exhibiting severe arteriosclerosis, thrombosis, and stroke. The ApoE knockout dogs show extensive and severe arteriosclerosis plaques and arterial stenosis, consistent with human cerebral arteries and coronary arteries.
Researchers at GIST create an optical technique called optical speckle image velocimetry that can image dynamic changes in cerebral blood flow, allowing for the diagnosis of brain health. The technique provides high-time resolution and measures both speed and direction of blood flow.
Researchers from the University of Tsukuba found that blocking CD300a enhances efferocytosis and ameliorates neuronal deficits after ischemic stroke. This process involves the removal of damaged cells in the brain, reducing inflammation and neurological impairment.
A Binghamton University researcher has received a $1.74 million grant to investigate how prenatal alcohol exposure affects anxiety in offspring. The study aims to understand the relationship between corticotropin-releasing factor (CRF) and anxiety, with potential implications for diagnosis and treatment of human patients.
A recent study suggests that targeting alpha-synuclein protein in Parkinson's disease may not be sufficient to cure most patients. Instead, resolving brain inflammation caused by dysfunctional interferon-beta receptor signaling may hold the key to developing more effective treatments.
A preclinical study found that female mice are more susceptible to binge drinking due to a brain circuit called the bed nucleus of the stria terminalis (BNST). The BNST is more excitable in females, requiring stronger inhibition to curb excessive alcohol consumption. This natural 'brake' mechanism may also contribute to sex differences...
Researchers discovered structural differences in brain regions responsible for decision-making and empathy in adolescents with conduct disorder compared to their unaffected siblings. These findings suggest that small changes in brain function may contribute to the development of antisocial behavior in some siblings.
Researchers found a correlation between high levels of Gas6 and zika-induced neurological complications. Gas6 helps the virus invade human cells, facilitating viral replication and aggravating infection. The discovery paves the way for future research on developing drugs to combat the virus.
Researchers developed a non-toxic, small-molecule probe that provides real-time visualization of disease progression, overcoming limitations of MRI and PET imaging. The probe binds copper ions and detects dysregulated levels, accurately identifying Wilson's disease and other maladies.
A team of researchers at Kennedy Krieger Institute developed a new method to diagnose Autism Spectrum Disorder (ASD) using a single 2D camera. The Computer Assessment of Motor Imitation (CAMI) method provides greater access to patients and shows accurate assessment with 2D technology.
Researchers have developed a new interface technology that can provide natural sensory feedback from robotic prosthetics to amputees, reducing abnormal sensations and cognitive burden. The innovation uses ultra-small recording sites and molecular guidance cues to stimulate sensory axons selectively, improving control of robotic limbs.
A new study suggests that traumatic experiences like sexual assault are associated with indicators of cerebrovascular risk, potentially leading to dementia and stroke. Women who experienced trauma had greater white matter hyperintensities, a marker for brain small vessel disease.
A study found that 73% of hospitalized COVID-19 patients developed delirium, leading to lasting cognitive impairment and increased need for skilled nursing care. The disease itself, sedatives, and inflammation can contribute to this outcome.
A new study published in the Journal of Neuromuscular Diseases found that starting treatment with an ACE inhibitor as soon as cardiac function drops below normal reduces the risk of severe cardiomyopathy and heart failure in BMD patients. Early treatment significantly improves long-term cardiac outcomes, reducing hospitalizations for h...
A common blood test could identify patients with schizophrenia at high risk for cardiovascular disease, enabling early intervention. Elevated white blood cell counts are suspected to be a signal, and a large-scale analysis of over 20,000 patients will examine its associations.
Researchers at RIKEN Cluster for Pioneering Research have found that Kleefstra syndrome, a genetic disorder leading to intellectual disability, can be reversed after birth. Postnatal treatment with artificially induced GLP production resulted in improved brain and behavioral symptoms.
Researchers from University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine found that combining long-term injectable medications with psychosocial intervention improves adherence and symptoms in patients with bipolar disorder. The study enrolled 30 people with bipolar disorder who had adherenc...
Researchers at Penn State have imaged a protein facilitating RNA modification, allowing them to reconstruct the process. The study reveals how a chemical tag is added to tRNA, improving its ability to translate messenger RNA into proteins.
A large epidemiology study found associations between higher HDL and apoA1 levels with a lower risk of ALS. Lower LDL and apoB levels were also linked to decreased risk. These findings may support population screening and preventative therapy for ALS.
A study led by Ruixue Zhaoyang found that frequent and pleasant social interactions can boost cognitive performance in older adults. Participants who reported more social interactions had better cognitive performance on the same day and for days following.
Scientists have identified two new candidate genes, ULK4 and PTTG1, that positively influence the development of an embryo by restoring a strong Sonic Hedgehog signaling pathway. This finding provides new insights into the causes of holoprosencephaly, a congenital malformation affecting around one to four in every 1,000 unborns.
A UNSW psychology researcher recommends a set of neurocognitive and mental health questionnaires to harmonize the assessment of long COVID patients. These tests can be used internationally and in various cultural settings to address key questions about the problem, including brain fog and dementia risks.
Researchers have discovered a new pathway in the brain that plays a key role in rewards and reinforcement. GABA neurons from the ventral tegmental area project to the nucleus accumbens shell, promoting reward processing. This finding offers new avenues for understanding psychiatric diseases such as depression and addiction.
The Cleveland Alzheimer’s Disease Research Center will receive funding to accelerate research on Alzheimer’s disease and related dementias. The center aims to develop individualized treatment approaches for individuals with aging-associated brain disorders.
A study by KAIST scientists shows that neurons carrying somatic mutations in MTOR can lead to focal cortical dysplasia, the most common cause of uncontrolled seizures. Nearby non-mutated neurons become hyperexcitable due to adenosine kinase overproduction, triggering seizures.
Researchers have created brain organoids from people with 16p11.2 genomic variations, which exhibit differences in brain size seen in individuals with autism spectrum disorder. The study revealed new information about molecular mechanisms that malfunction when this region is disrupted, providing opportunities for therapeutic intervention.
Researchers identified a vulnerability in developmental signaling pathways that can drive pediatric low-grade glioma formation. Targeted treatment prevents tumor formation, long before irreversible damage to the optic nerve can cause permanent vision loss.