Articles tagged with Neurological Disorders
The Lieber Institute for Brain Development (LIBD) has been awarded a $200,000 grant by the Pennington Family Foundation to investigate the factors contributing to varying outcomes in individuals with autism spectrum disorder. The study aims to identify biological associations that can improve treatment strategies and prevent long-term ...
Researchers found that nerve cells act as barriers or guides to position themselves correctly, creating a map for other cells to follow. This study uncovers an exciting new mechanism for how nerve cells position themselves in the first place, with important implications for understanding neurodevelopmental disorders.
Researchers found that FDA-approved cancer drugs nilotinib or bafetinib can prevent overgrowth of neuron endings associated with Down syndrome and Fragile X syndrome. The study used fruit fly models, showing the drugs did not harm healthy brain development.
Emerging model systems of reprogrammed human neurons will drive discovery of new patient-specific therapies, accelerating research on understanding neuronal activity, brain development, and neurological diseases. The article discusses recent technological advances, current challenges, and future clinical applications.
New research from Griffith University uncovers significant genetic changes in receptors associated with immunological and cellular function, potentially shedding light on CFS/ME. The findings contribute to a deeper understanding of the complex illness's pathology.
Researchers at Johns Hopkins Medicine discovered that neurons use minor 'DNA surgeries' to toggle their activity levels, shedding light on brain disorders and learning. The study found a mechanism where Tet3 levels respond to synaptic activity, enabling neurons to maintain consistent levels of communication.
Recent breakthroughs in autism spectrum disorder (ASD) research focus on precision medicine approaches, leveraging genetic technologies to identify risk genes and develop personalized therapies. Neuroimaging studies are also helping understand brain structure and function across the lifespan.
A new Wayne State University study demonstrates altered communication between brain centers in children with obsessive-compulsive disorder (OCD). The research found that the dorsal anterior cingulate cortex exerts exaggerated brain network effects in OCD, suggesting a putative scientific framework for understanding the disorder.
Scientists have developed a mouse model that lacks the nSR100 gene, which regulates microexon splicing. This process is essential for protein production and brain function. The study found defects in neuron formation and wiring, similar to those found in people with autism and schizophrenia.
A new flu vaccine that includes four strains of inactivated influenza has been found to be more protective than a similar vaccine containing only three strains. The addition of the fourth strain increases the chance the vaccine will match the circulating flu B strains without compromising protection against other strains.
People with anorexia nervosa and body dysmorphic disorder share similar abnormalities in their brains that affect processing of global visual information. The study's findings suggest that perceptual retraining may be an effective therapy for both disorders.
The American Gastroenterological Association has received a $2.25 million endowment to support young researchers studying neuroenteric disease. The AGA-Athena Troxel Blackburn Research Scholar Award will fund studies on irritable bowel syndrome (IBS) and its impact on the brain-gut axis.
Researchers found that the Gomafu gene is dynamically regulated in the adult brain, affecting behavior related to anxiety and schizophrenia. The discovery sheds light on the gene's potential as a surveillance system for rapid brain responses to environmental changes.
The Kessler Foundation Neglect Assessment Process (KF-NAP) effectively assesses severity of spatial neglect during activities of daily living. Spatial neglect is a complication of stroke that contributes to poor rehabilitation outcomes.
Scientists used a modified form of superabsorbent chemical to expand brain structures, enabling the use of common microscopes for high-resolution imaging. This technique, called expansion microscopy, has potential to study diseases in human brain tissue and answer various scientific questions.
Researchers have discovered a link between Sox10 protein defects and post-operative GI dysfunction in Hirschsprung's disease patients. The study found that mutations in the Sox10 gene disrupts the balance of cell types in the intestine, leading to impaired GI motility.
Researchers found that brain structure and connectivity can predict which patients with refractory OCD are likely to respond to dorsal anterior cingulotomy. The study analyzed preoperative imaging data from 15 patients, identifying key neuroanatomical features associated with treatment success.
TGen researchers developed a new test that leverages the unique genetic difference between men and women to track down neurological disorders in young girls. By analyzing DNA sequences, they were able to identify a previously unrecognized disorder in a pre-teen girl and provide more accurate diagnosis for families.
The insula is essential for selecting salient stimuli, and dysfunction can lead to deficits in attention, social, and cognitive processes. Mapping the structure and function of the insular cortex may provide targeted treatments for developmental and degenerative disorders.
Researchers at Carnegie Mellon University used brain-reading techniques to identify altered 'thought-markers' of autism, detecting changes in the way certain concepts are represented in the brains of autistic individuals. This biological approach shows promise for complementing clinical assessments and enabling quicker diagnoses.
UCL scientists have discovered a new pathway to deliver therapies to the nervous system, offering a potential treatment for tetanus and neurological disorders such as motor neuron disease. By blocking the entry of tetanus neurotoxin into nerve cells, researchers hope to develop targeted treatments with fewer side effects.
New Rutgers research suggests that an overabundance of the NOS1AP protein in developing brains can lead to abnormalities and faulty connections, potentially triggering schizophrenia. The study's findings offer a potential explanation for the biological process of the disease and may pave the way for targeted treatment therapies.
Researchers found that African Americans have impaired blood flow regulation in the brain, contributing to a greater risk of stroke and other cerebrovascular diseases. The study suggests underlying mechanisms of blood vessel dysfunction occur in relatively young and healthy African Americans.
Researchers identified significant alterations in the thalamus and putamen of premature babies, which may lead to designing effective prevention strategies and early interventional treatments for cognitive disabilities. These findings suggest that brain structure and circuitry changes related to prematurity can affect important functio...
Researchers are working to develop a therapy for Sanfilippo disease, a devastating inherited disorder that affects the brain. The $223,102 grant will be used to create an enzyme replacement therapy to treat the underlying causes of the neurologic symptoms of MPS III.
Schizophrenia and bipolar disorder are associated with dendritic spine loss, suggesting shared pathophysiological features. Individuals with these disorders have reduced average spine density and number of spines per dendrite compared to control group individuals.
Research identifies two genes, FOXC1 and PITX2, that cause cerebral small vessel disease, a condition increasing stroke risk up to tenfold. Mutations lead to impaired vascular stability, ultimately resulting in long-term stroke risk.
Researchers studied brain development in people with and without schizophrenia, finding altered trajectories of growth in highly-connected brain regions. The findings provide clues to the underlying causes of schizophrenia, supporting a neurodevelopmental disorder hypothesis.
Using human induced pluripotent stem cells (hiPSCs), researchers discovered that schizophrenia patients' hiPSC-derived neurons release more neurotransmitters, including dopamine. This finding could lead to a better understanding of brain disorders and the development of new therapeutic strategies.
A study found that autistic males have lower levels of estrogen receptors and aromatase, an enzyme converting testosterone to estradiol. This could lead to increased testosterone levels, potentially contributing to the disorder's prevalence in men. The findings suggest a possible reason for the gender bias in autism diagnosis.
Researchers have found that the growth factor neuregulin-1 can restore balance to impaired Schwann cells in genetically modified rats with Charcot-Marie-Tooth disease. This imbalance leads to insufficient myelination and nerve damage, resulting in symptoms such as numbness and weakness.
A recent study has found that a rare genetic mutation in the DISC1 gene can corrupt neural connections, leading to disruptions in brain circuitry. The research, published in Nature, used induced pluripotent stem cells to model the effects of the mutation on human neurons.
The Tufts team created a modular design that replicated fundamental features relevant to the brain's tissue-level physiological functions. The model exhibits biochemical and electrophysiological responses, offering new options for studying brain function, disease, and trauma, and treatment.
Researchers at Mount Sinai School of Medicine developed an effective treatment for the rare disorder, which causes continuous feelings of swaying or rocking. The treatment re-adapts the vestibulo-ocular reflex, a mechanism in the inner ear that maintains balance, and achieves significant recovery rates in patients.
A Japanese research group found that individuals with autism spectrum disorders (ASD) have decreased activity in the extrastriate body area when imitated, indicating a lack of proper understanding of movement. This study provides new insights into ASD and can be used to evaluate behavioral interventions for alleviating the disorder.
Research found that people with bipolar disorder have stronger brain activity in the 'pleasure centre', guiding them towards riskier decisions. In contrast, a healthy control group's prefrontal cortex guides safer choices. This study aims to design and monitor therapies for bipolar disorder using neuroscience.
The Lawrence Livermore Laboratory will develop an implantable neural interface to record and stimulate neurons in the brain for treating neuropsychiatric disorders such as PTSD and TBI. The device is part of DARPA's SUBNETS program and aims to provide a revolutionary treatment option for patients suffering from these conditions.
Research reveals how neurons create and integrate with each other, shedding light on neurological diseases like autism. The study identifies Dscam1 protein variations as key to forming complex neural networks.
Researchers have discovered a key gene mutation responsible for impaired mental function in children with intellectual disabilities. TUBB5 is essential for healthy brain development, and mutations can cause problems with normal fetal brain development.
Researchers at St. Jude Children's Research Hospital identified a disrupted brain circuit that may contribute to auditory hallucinations in schizophrenia. The study, published in Science, suggests that reducing information flow between two brain structures involved in processing auditory information sets the stage for stress triggers.
A transgenic mouse model was created with the K141N mutation in HSPB8 to study Chinese Charcot-Marie-Tooth disease type 2L. The mice exhibited decreased muscle strength and impaired motor coordination, but not sensory disturbance. Pathological analysis revealed reduced myelinated fiber density and axonal damage.
A new study has identified several risk factors for Ménière's Disease, including female sex, white background, age, poverty, and overweight status. The research also found links to immune system disorders and diseases related to the autonomic nervous system.
Researchers have created a high-resolution blueprint for the developing human brain, mapping where genes are turned on and off during mid-pregnancy. This atlas provides insight into diseases like autism and the origins of human uniqueness, revealing key genetic hubs linked to social behavior and cognitive features.
A study published in Neurology found that patients with restless legs syndrome had a higher mortality rate than similar men, and were more likely to be diagnosed with cardiovascular disease and hypertension. RLS screening may become more common as a tool for primary care providers to identify patients at risk of serious disease.
A large cohort study found that females diagnosed with autism spectrum disorder (ASD) and other neurodevelopmental disorders have a greater number of harmful genetic mutations than males. This suggests that the female brain requires more extreme genetic alterations to produce symptoms of ASD or neurodevelopmental disorders.
The European Human Brain Project, Allen Institute for Brain Science, and US BRAIN Initiative are developing new methods to study the brain in health and disease. Researchers aim to reconstruct brain structure in computer models and analyze vast amounts of brain data.
Scientists from the Scripps Research Institute will investigate axonal transport, a cellular process crucial for signaling and long-term memory storage. The goal is to identify molecular regulators of axonal transport to develop new approaches for treating memory disorders.
Researchers have discovered a potential therapy to enhance brain repair after a stroke by stimulating the brain's inherent plasticity with molecular components of stem cells. This approach has shown promising results in promoting neurological recovery and may lead to revolutionary treatments for other diseases.
Fetal mice exposed to maternal immune system inflammation show signs of brain damage lasting into adulthood, raising questions about sex-based mechanisms. Researchers suggest that chronic inflammation may play a role in inhibiting proper brain development, potentially explaining why more males have diseases like autism and schizophrenia.
Researchers at Cincinnati Children's Hospital Medical Center have successfully treated mouse models of Hurler syndrome with gene therapy delivered via platelets and bone marrow cells. The treatment resulted in complete metabolic correction of the disease, normalizing IDUA levels in peripheral organs.
Researchers at Kessler Foundation found an association between acute, severe spatial neglect post-stroke and long-term recovery of mobility. The study suggests early detection and intervention of spatial neglect may be necessary to achieve better return of mobility.
A Swedish cohort study found a strong association between the Pandemrix anti-swine flu vaccine and an increased risk of narcolepsy in individuals under 20 years old. The study also detected a trend towards increased risk in young adults between 21-30.
A recent study led by Boston University School of Medicine researchers found that diflunisal successfully reduced neurological decline and preserved quality of life in patients with familial transthyretin amyloidosis. This repurposed generic drug demonstrates an effective alternative to liver transplantation for this devastating disease.
A study found that high maternal care during early post-natal periods can re-program genes controlling stress responses, reducing sensitivity to stressful events. This rewiring has implications for understanding early environment influences on stress-related disorders.
A study suggests that immune cells outside the brain may contribute to depression, with elevated levels of interleukin-6 linked to increased depressive behaviors in rodents. Researchers found that mice transplanted with high-responding donors exhibited increased depression-like behaviors compared to those with low-responding donors.
Meniere's disease affects 3-5 million people in the US, causing dizziness, ringing, and hearing loss. Researchers suggest a new theory linking the disorder to low blood flow in the brain and inner ear, offering a potential treatment avenue by addressing vascular risk factors.
Researchers discovered a potential new treatment for malaria by targeting the parasite's vulnerability to oxytocin, a naturally occurring hormone. Oxytocin has been shown to enhance brain activity while processing social information in children with autism spectrum disorders.
Researchers found significant differences in the expression of genes in male and female brains, involving 2.5% of all brain genes. These differences could contribute to the higher incidence of autism in males.
A Yale-led team identified common neural circuits affected by autism-risk genes and when they exert their effects on the developing human brain. The findings suggest new targeted treatments for autism may be possible, focusing on specific neural circuits at specific times.
Researchers have generated disease-specific induced pluripotent stem cell lines from a patient with familial transthyretin amyloidosis (ATTR), a lethal protein-folding disorder. The study successfully recreates essential aspects of the disease in vitro, validating this iPSC-based system as a platform for testing therapeutic strategies.