Articles tagged with Neurodegenerative Diseases
Researchers at the University of Bergen have identified a new gene linked to primary familial brain calcification (PFBC), a rare neurodegenerative condition. The discovery provides new insight into how brain calcifications occur and may help explain the development of dementia.
A first-of-its-kind study uses gait analysis to detect subtle impairments in older adults with mild cognitive impairment, suggesting curved path walking as a more sensitive detection method. The novel system employs a non-invasive depth camera to record gait and provides detailed information on functional performance.
Researchers have discovered why some RNA-splicing drugs work better than others, revealing a key factor that impacts treatment efficacy. By analyzing the interactions between drugs and RNA, they found that combining splice-modifying drugs targeting the same gene segment can lead to greater therapeutic effects.
A new study led by Cleveland Clinic researchers suggests that sildenafil may help protect brain cells from Alzheimer's disease. The study found that sildenafil can lower levels of neurotoxic tau proteins and improve brain function in patients with Alzheimer's.
A study published in Cancer Research Communications reveals a potential genetic marker associated with better survival outcomes in patients with head and neck cancer. The researchers found that the presence of a specific genetic variant and higher expression of the GAN gene product gigaxonin may contribute to improved survival rates.
A study published in BMC Geriatrics uses in-vehicle sensors to detect anomalous driving behavior indicative of cognitive impairment in older adults. The system analyzes driving patterns, facial expressions, and eye movement to identify early signs of dementia.
Researchers will develop new tools to understand how proteins interact and regulate the nervous system. The project aims to identify new therapeutic targets for brain disorders and generate diagnostic tools.
Researchers at Salk Institute have created a novel organoid model of the human brain that includes mature, functional astrocytes. This allows for the study of inflammation and stress in aging and diseases like Alzheimer's with greater clarity, revealing a relationship between astrocyte dysfunction and inflammation.
Researchers at MIT's Picower Institute found that stimulating a key brain rhythm with light and sound increases peptide release from interneurons, driving clearance of Alzheimer's protein. The study suggests that 40Hz sensory stimulation promotes increased amyloid clearance via the glymphatic system.
Scientists at Washington University School of Medicine discovered that neurons coordinate to produce rhythmic waves that propel fluid through dense brain tissue, washing the tissue in the process. This finding has implications for delaying or preventing neurodegenerative diseases by enhancing the brain's cleaning abilities.
Researchers have discovered that certain volatile compounds emitted by microbes and food can alter epigenetic states in neurons and other eukaryotic cells. Exposure to these compounds can slow down neurodegeneration and cancer, while also affecting plant growth and responses to stress.
Scientists developed an innovative neural cell culture model that replicates the aberrant behavior of TDP-43 in neurons. The model identified NPTX2 as a toxic protein that accumulates in cells containing abnormal TDP-43, leading to neurodegeneration in ALS and FTD.
A team at Case Western Reserve University has identified a key protein regulator that, when inhibited, can prevent the formation of harmful astrocytes. Administering medications that specifically target this protein may prevent the development of dangerous astrocytes and increase nerve cell survival in mouse models.
Researchers discover dopamine signals affect movement sequence length, shedding light on Parkinson's Disease symptoms and potential therapeutic targets. The study's findings suggest a complex role of dopamine neurons in movement, with distinct effects on movement-related and reward-related dopamine neurons.
A recent study has uncovered 145 genes crucial for genome stability, shedding light on genetic factors influencing human health over a lifespan. The research highlights the potential of SIRT inhibitors as a therapeutic pathway for cohesinopathies and other genomic disorders.
Researchers discovered that aggregates prevent silencing of stress response in brain cells, leading to cell death. A new treatment involves administering a drug to turn off the stress response and keeping SIFI turned on to clean up protein aggregates.
A new study from the University of Pennsylvania School of Veterinary Medicine sheds light on how Chronic Wasting Disease (CWD) impacts the gut microbiome, providing a potential tool for disease surveillance. Researchers found that certain types of gut bacteria can differentiate between CWD-positive and -negative deer.
Post-translational modifications on alpha-synuclein slow amyloid aggregation and protect neurons, potentially slowing disease progression. The study's findings suggest that targeting these modifications could lead to new treatments for Parkinson's disease.
In a mouse model of multiple system atrophy, alpha-synuclein overexpression induces neuroinflammation, demyelination, and neurodegeneration. IFNγ produced by infiltrating CD4+ T-cells mediates these changes. The study suggests that IFNγ is a potential future disease-modifying therapeutic target.
A novel drug principle has been successfully tested in a mouse model and brain organoids of ALS patients, preventing cell death and improving motor abilities. The discovery of the TwinF interface inhibitor FP802 offers a promising path for fighting ALS and could lead to the development of effective treatments.
Researchers connected cognitive and behavioral symptoms to protein buildup in the brain marking the disease. The study showed a clear relationship between CTE pathology and severity of cognitive and functional symptoms during life.
The American Society for Biochemistry and Molecular Biology's annual meeting features a stimulating group of high-profile speakers discussing various topics including climate change, microbial communities, and RNA regulation. The conference includes plenary sessions, award lectures, and other exciting events.
A new study maps the spatial organization of hippocampal neurons in the mouse brain, revealing previously unknown principles. The researchers created a comprehensive three-dimensional single-cell atlas of the region and its connections, which will aid in understanding the neural circuitry and underlying brain functions.
Indiana University researchers have found that nicotinamide nucleotide adenylyl transferase 2 (NMNAT2) plays a critical role in protecting the brain from aging and neurodegenerative diseases. The enzyme provides energy to axons, enabling them to carry out nerve impulses and maintain healthy function.
Researchers discovered the brain uses a process called temporal scaling to adjust processing of time, allowing for flexibility in behavior. This finding may have implications for understanding how our brains enable us to interact with the world.
A new study in the Canadian Medical Association Journal found that organ donations after medical assistance in dying (MAiD) represented 14% of all deceased organ donations in Quebec in 2022. The majority of donors had neurodegenerative diseases, with amyotrophic lateral sclerosis being the most common condition.
Researchers from Pusan National University found a notable association between smoking and an increased risk of Amyotrophic Lateral Sclerosis (ALS), particularly among female smokers. The study revealed a dose-response relationship, with the risk peaking at moderate to heavy smoking levels.
Researchers found that low-dose X-ray irradiation reduced lesion size and reversed motor deficits in TBI and ischemic stroke mice, demonstrating its potential as a therapeutic strategy. The treatment also accelerated substantial motor function recovery and promoted brain rewiring after stroke.
A team of researchers has devised a method to deliver mRNA into the brain using lipid nanoparticles, offering new hope for treating conditions like Alzheimer's disease and seizures. The approach uses a special keycard-like system to bypass the blood-brain barrier, allowing therapeutic agents to enter the brain and target specific cells.
A new biological classification system for Parkinson's disease, known as SynNeurGe (S-N-G system), has been introduced. This classification considers three key components: pathological α-synuclein in tissues or cerebrospinal fluid, neuroimaging techniques, and pathogenic gene variants. The S-N-G system offers a detailed framework for u...
Scientists propose a new biologically-based classification system for Parkinson's disease, considering three biological factors: pathologic α-synuclein, neurodegeneration, and gene variants. This 'S-N-G' system aims to better understand the complex biology of PD and identify subgroups with distinct disease processes.
Researchers at Nagoya University have discovered a relationship between ALS progression and the disruption of mitochondria-associated membranes (MAM) and TBK1 activity. Decreased activation of TBK1 is linked to motor neuron death in ALS patients and mice with disrupted MAM.
A Kessler Foundation researcher will examine the impact of social determinants on brain health and MS outcomes in Latinos. The study aims to improve healthcare access and quality for this minoritized group.
A new task force launched by C-Path aims to accelerate drug development for mitochondrial and inherited metabolic diseases. The task force will leverage C-Path's expertise in data management standards, biomarkers, and regulatory science to generate solutions and contribute to regulatory decision-making.
Researchers at UMass Amherst have received an NIH grant to create predictive models for Alzheimer's disease using brain MRIs and clinical data. The goal is to enable earlier detection of the condition, ideally two years before onset of symptoms.
A large-scale ancient human gene bank analysis revealed that genetic variants increasing MS risk were introduced by sheep and cattle herders 5,000 years ago. This finding explains the North-South Gradient of MS prevalence in Europe.
A potential Parkinson's medicine, Syn-RiboTAC, targets RNA to slow or stop disease progression by preventing the buildup of toxic protein alpha-synuclein. In early studies, reducing alpha-synuclein levels by even 25% or more is therapeutically beneficial, with the compound showing good selectivity and improved brain-barrier penetration.
Researchers at Boston University's Center for Neurorehabilitation have made two important advances that may help people with Parkinson's disease walk more smoothly. Wearable soft robotic apparel and a music-based technology were tested in studies, showing promising results in increasing walking duration and distance.
A novel human brain organoid model generates all major cell types of the cerebellum, including functional Purkinje neurons. This breakthrough provides a new way to explore cerebellar development and disorders, advancing therapeutic interventions.
A new study by University of California Riverside researchers found that high-fat diets affect not only obesity and colon cancer but also the immune system, brain function, and potentially COVID-19 risk. The study, which analyzed genetic changes in mice fed different types of fat, showed that polyunsaturated fatty acids in soybean oil ...
Researchers found that baseline amyloid burden and brain health are stronger predictors of Alzheimer's progression than age alone. The study also showed that individuals with higher amyloid levels developed dementia two years earlier than those without.
A growing number of studies have found that non-invasive sensory, electrical, or magnetic stimulation of gamma brain rhythms can reduce Alzheimer's pathology and its consequences. These studies have shown increases in gamma power, brain network connectivity, and improvements in memory, cognition, and sleep.
Zarbio and Georgia State University scientists propose a framework for understanding Alzheimer's disease, linking molecular mechanisms, beta-amyloid biomarkers, and diagnosis. The Amyloid Degradation Toxicity Hypothesis resolves long-standing paradoxes in AD research.
A team of international researchers has reported the first high-resolution images and structural details of the human genetic element LINE-1, which is implicated in various diseases. The study provides a target for potential new treatments, particularly for cancer, autoimmune disorders, neurodegeneration, and even aging.
Researchers discovered that Nectandrin B, a bioactive lignan compound from nutmeg, extends the lifespan of Drosophila melanogaster by as much as 42.6%. The study found that Nectandrin B reduces intracellular ROS levels and improves age-related symptoms such as locomotive deterioration and neurodegeneration.
Researchers developed novel nanoparticles that deliver RNA to microglia immune cells, reducing inflammation linked to Alzheimer's disease. The study showed a 42% reduction of PU-1 expression and multiple inflammatory markers in human cell cultures and mice models.
Researchers at Helmholtz Munich have identified a new source of stem cells in the brains of patients with brain injuries, which could lead to improved treatments for neurological disorders. The discovery involves specific astrocyte cells that exhibit properties of neural stem cells and can be regulated by a protein called Galectin 3.
Researchers from SFU and UBC introduce MCS-DETECT, an AI-driven algorithm that detects membrane contact sites in large microscopy volumes without segmentation. This innovation enhances super-resolution microscopy capabilities, contributing to a better understanding of cellular interactions and complex diseases.
A protein called TAF15 forms amyloid filaments in brain cells, affecting frontal and temporal lobes. This discovery identifies a potential target for diagnostic and therapeutic strategies for frontotemporal dementia.
Researchers have identified a new protein, TAF15, associated with frontotemporal dementia, a rare and debilitating condition. The discovery provides a potential therapeutic target for diagnostic tests and treatments, offering hope for patients and families affected by the disease.
Researchers discovered that prion protein and copper form sticky droplets under oxidative stress, leading to abnormal solid formation. The study highlights the biological significance of liquid-liquid phase separation in regulating copper homeostasis by PrP.
A new paper reveals that media coverage of Bruce Willis' condition was inaccurate, with journalists misrepresenting the relationship between aphasia and frontotemporal degeneration. The disease was often described as if it were a separate disorder from aphasia, when in fact aphasia is a symptom of frontotemporal degeneration.
Researchers found an inverse relationship between axon loss and demyelination, suggesting that 'bad' myelin can be more damaging than its absence. This study identifies potential therapeutic targets for diseases associated with myelin defects and inflammation in the nervous system.
Research reveals that brain inflammation is the primary cause of neuropsychiatric symptoms in Alzheimer's disease, including irritability, agitation, and anxiety. The study found a strong association between microglial activation and neuropsychiatric symptom severity, suggesting new pathways for therapy development.
UTEP researchers develop a therapy based on caffeic-acid derived from spent coffee grounds to protect brain cells from damage. The treatment has potential to prevent neurodegenerative disorders such as Alzheimer's and Parkinson's by removing free radicals and inhibiting amyloid protein aggregation.
Researchers at the University of Wisconsin-Madison have successfully generated human norepinephrine neurons from stem cells using a key protein called ACTIVIN-A. These LC-NE neurons may serve as models for disease in humans, enabling scientists to screen drugs and answer questions about neurodegeneration.
A new study reveals that a genetic mutation in microglia can elevate Alzheimer's risk by reducing brain circuit connections, promoting inflammation, and impairing debris clearance. The mutation affects the TREM2 protein, leading to increased expression of inflammatory genes and impaired response to neuron injury.
Dr. Sabine Krabbe is investigating the function of the brain's emotion center in neurodegenerative diseases like Alzheimer's and Parkinson's, which often co-occur with depression and anxiety. Her research aims to find common mechanisms that could lead to better treatments for patients.
Dr. Vidhya Rangaraju has received a $1.2 million grant from the Chan Zuckerberg Initiative to investigate disrupted energy supply in neurons causing cognitive decline in ALS. Her lab will use super-resolution microscopy and biosensors to study metabolic disruptions in ALS.
Researchers have identified a crucial biological trigger of Huntington's disease, finding that methylation converts an important protein into waste. By targeting this process, they may develop effective therapies for other neurodegenerative diseases.