Articles tagged with Neurodegenerative Diseases
A new study suggests that existing drugs for multiple sclerosis may not be effective due to toxic blood leaks in the brain. Researchers have identified a promising alternative treatment option that could improve myelin repair, even in the presence of these harmful elements.
Researchers at UC San Diego have discovered the main components driving amyloid beta-associated synapse degeneration in Alzheimer's disease. They found that blocking a toxic signaling pathway can protect synapses and preserve cognitive function, offering a potential therapeutic agent.
The National Institute on Aging's $280 million investment in small businesses has advanced research on care interventions, diagnostic tools, and therapies for Alzheimer's disease. This funding has enabled the commercialization of technologies such as ActivePERS and PrecivityAD, which aim to improve care and diagnosis.
Scientists discovered a new mitochondrial recycling pathway that may help prevent Parkinson's disease. The study, published in Science Advances, reveals that genes associated with Parkinson's disease play key roles in this process and that disruptions can contribute to neurodegeneration.
Researchers at The Francis Crick Institute successfully reversed a key hallmark of motor neurone disease by blocking the activity of an enzyme called VCP. This breakthrough, published in Brain Communications, suggests that the abnormal accumulation of proteins involved in RNA regulation might be a factor contributing to the disease.
Researchers identified a genetic mutation in nonhuman primates that closely resembles Pelizaeus-Merzbacher disease, a rare and progressive disorder affecting the central nervous system. The discovery was made possible by a massive genomic database built at OHSU's Oregon National Primate Research Center.
A recent study discovered that brain cells cannot maintain the myelin sheath in the absence of the TDP-43 protein. Restoring cholesterol levels has been proposed as a potential therapeutic strategy for neurodegenerative diseases associated with TDP-43. The research found that oligodendrocytes, responsible for producing myelin, have def...
A study found that Scottish male former professional soccer players at midfield and defensive positions had a higher risk of developing neurodegenerative diseases. The research also suggested that longer careers were associated with an increased risk, particularly among those playing in the 1990s and 2000s.
Researchers at City of Hope developed a powerful miniature brain platform to study the causes of Alzheimer's disease and test dementia drugs in development. They used human stem cell technology to model sporadic Alzheimer's disease, finding that exposure to serum from blood can induce multiple symptoms.
Researchers mapped the molecular mechanisms of primate hippocampal aging, identifying key cell types and molecules affected by age. The study provides a valuable resource for diagnostic biomarkers and therapeutic targets for neurodegenerative diseases.
Yanhong Shi and her team are developing an autologous treatment for Canavan disease using induced pluripotent stem cell (iPSC) technology, which has shown promising results in preclinical studies. The goal is to correct the genetic mutation that causes the disease by introducing a functional ASPA gene into brain cells.
Researchers identified an immune component, STING, linked to Niemann-Pick disease type C, a condition with no effective treatments. The discovery suggests a new therapeutic target for the disease and offers hope for treatment with immune inhibitors.
Researchers at EPFL Brain Mind Institute discovered that minis, miniature release events of neurotransmitters, play a crucial role in maintaining healthy synapses. Increasing the frequency of minis kept synapses intact and preserved motor ability in middle-aged fruit flies.
A Rutgers researcher found that penicillin alters the microbiome and gene expression in key brain areas, potentially leading to neurodevelopment problems. This study suggests reducing antibiotic use or alternatives could prevent these issues.
The German Research Foundation has extended funding for two Göttingen Collaborative Research Centres, CRC 1073 and CRC 1286, to further their research on atomic scale control of energy conversion and quantitative synaptology. The CRCs will receive around ten million euros per year over four years.
A new study finds that low serum levels of the sugar N-acetylglucosamine (GlcNAc) are associated with progressive disability and neurodegeneration in multiple sclerosis. The study suggests that GlcNAc deficiency may promote disease progression, providing potential avenues for identifying patients at risk.
Scientists found that LCH is caused by senescent cells with a BRAF mutation, leading to inflammation and organ damage. A new study suggests using senolytics to treat the disease, offering hope for patients who have not responded to chemotherapy.
A recent NIH study has identified a diverse range of motor neurons along the spinal cord that govern movement, including subtypes susceptible to neurodegenerative diseases. The research provides an atlas of 21 neuron types, offering new understanding of how these neurons control movement and contribute to organ systems.
A new protein, AIF3, is produced in the brain after a stroke and triggers cell death, providing a potential therapeutic target for preventing or delaying neurodegenerative diseases. Defective splicing of AIF leads to its production, causing mitochondrial dysfunction and cell death.
Scientists at IRB Barcelona have found that Lafora bodies accumulating in glial cells, not just neurons, are responsible for the disease's progressive degeneration. This discovery could lead to new treatments and insights into other neurodegenerative diseases.
Researchers at Northwestern University have visualized the 3D structure of the Mediator-bound pre-initiation complex (Med-PIC) in human cells, revealing its role in regulating gene expression. The complex, consisting of 26 subunits, helps position RNA polymerase II and general transcription factors to transcribe specific genes.
Researchers found that complement inhibition can reverse mental losses after traumatic brain injury, even when treatment is delayed until two months post-injury. The study showed that blocking complement interrupted neurodegeneration and improved cognitive function.
Researchers have identified a new signaling pathway that regulates the production of RNA-protein complexes in neurons, which are overproduced in neurodegenerative diseases such as ALS and senile dementia. This discovery may lead to better understanding and potential therapeutic options for these conditions.
Scientists at Northwestern University have identified a compound that eliminates degeneration of upper motor neurons in ALS, a neurodegenerative disease. After 60 days of treatment, diseased brain cells regain health and function like healthy control neurons.
Researchers have identified ferroptosis resistance as a critical issue in cancer treatment, highlighting the need for novel therapeutic strategies. The study integrates current understanding of signaling mechanisms to develop targeted treatments for therapy-resistant cancers.
Researchers have discovered a mechanism of action by which abnormal proteins cause indirect damage to neurons, leading to dendrite defects in fly models of neurodegenerative diseases. The study identifies a problematic transcription factor called NF-κB, which becomes improperly regulated due to the presence of abnormal proteins.
A build-up of cellular trash in the brain can cause neurodegeneration and death. Researchers found that Wipi3, a protein involved in alternative autophagy, is essential for preventing toxic iron accumulation.
Researchers investigate whether changes in metabolic pathways precede neurodegeneration in MS patients, which may lead to irreversible damage to brain and nervous tissue. The study aims to develop diet, lifestyle, and drug interventions to prevent progression and improve outcomes for MS patients.
Researchers have discovered that pure prions do not exhibit neurotoxicity, but instead cause disease through a distinct species. Brain tissue from symptomatic prion-infected mice is found to be toxic to healthy neurons, highlighting the complexity of prion-induced neurodegeneration.
Researchers have discovered that younger cycad seeds contain higher levels of neurotoxins, increasing the risk of exposure. The study provides new models for estimating seed age, adding clarity to future research and shedding light on the origins of a neurological disease prevalent on Guam.
MDC researchers are using neuromuscular organoids to investigate how ALS mutations cause motor neuron death. They will sequence the organoid tissue samples to understand RNA activity in space and time, aiming to identify potential interventions or treatment targets for the incurable disease.
A study published in Frontiers in Molecular Neuroscience reveals the molecular underpinnings of electrical signals from potassium and sodium ion channels within neurons. The research identifies potential targets for future treatment strategies using existing drugs approved by the FDA.
Scientists discovered a critical protein, Ded1p, that changes its structure in response to heat stress, triggering the production of stress-protective proteins. This mechanism may help organisms adapt to temperature fluctuations and has implications for understanding neurodegenerative diseases.
Scientists identified a mutation in the ACOX1 gene as the cause of Mitchell disease, a rare neurodegenerative disorder. The discovery was made using a combination of human genetics and fruit fly studies, which revealed a previously unknown role for peroxisomes in glial cells.
Researchers at Tohoku University discovered that certain trans fats can trigger programmed cell death by activating a mitochondrial signaling pathway. This finding has significant implications for understanding the role of trans fats in diseases such as atherosclerosis and neurodegenerative disorders.
Researchers discovered a new group of heat-resistant proteins called Hero proteins, which can protect other proteins from clumping and aggregation. The Hero proteins have unusual shapes and abilities to prevent protein instability and promote longevity, extending the life span of fruit flies by 30 percent.
Researchers discovered a new neurodegenerative disorder, Mitchell disease, caused by hyperactive ACOX1 enzyme. A study in fruit flies identified therapeutic strategies to reverse damages specific to each condition.
A team of Canadian researchers has discovered the crucial function of a protein in Batten's disease, a neurodegenerative genetic disorder that affects children. The study found that the protein plays a vital role in maintaining cellular endosomal function, which can lead to degeneration if disrupted.
Researchers found that a specific type of immune cell accumulates in older brains and that activating these cells improves the memory of aged mice. Activating these cells also increases the formation of new nerve cells in the hippocampus and reduces inflammation.
Researchers developed a novel gene-silencing approach to deliver a treatment vector to adult ALS mice, preventing disease onset and blocking progression in animals with existing symptoms. The method uses an adeno-associated virus to deliver shRNA, effectively silencing the SOD1 gene and protecting motor neurons.
A new study reveals that spinocerebellar ataxia type 7 (SCA7) originates from metabolic dysregulation leading to altered calcium homeostasis in neurons. The research also identifies Sirtuin 1 as a key player in promoting calcium regulation and reducing neurodegeneration.
A Belgian-American research team has uncovered a new mechanism of neurodegeneration in Charcot-Marie-Tooth disease, revealing that tRNA synthetases can interfere with gene transcription in the nucleus. This discovery could lead to new therapeutic approaches for CMT patients.
Researchers discovered a phenomenon in brain cells where mitochondria 'eat themselves up' at an early stage of neurodegeneration. The study found that this self-destruction is selectively present in neurons prone to degeneration in ALS patients, providing potential targets for new therapies.
Researchers at Northwestern University have discovered a new phenomenon in the brain where mitochondria self-destruct, leading to early stages of neurodegeneration. The study found that this process occurs selectively in neurons vulnerable to future degeneration, providing a potential target for drug therapies.
Researchers suggest 'Havana Syndrome' is akin to shell shock, with symptoms paralleling those of war trauma. Studies on embassy patients found no conclusive evidence for exposure to an energy source or toxin.
Researchers at Barrow Neurological Center discovered aberrant RNA processing in ALS and FTD patients, led by Dr. Rita Sattler's team finding ADAR2 mislocalization affects disease pathways, potentially leading to neuronal loss and neurodegeneration.
The study analyzed 26 widely-used protein disorder prediction methods and found that they vary noticeably in performance. This thorough comparison provides valuable insights for protein scientists to make informed choices about which programs to use.
The ALS Association has committed an additional $3.5 million to the NYGC's CGND, while The Tow Foundation has contributed $2.5 million, renewing support for genomic research and patient data analysis. These investments aim to accelerate the development of new treatments and a cure for ALS.
A team of scientists has successfully cloned gene-edited monkeys with disease phenotypes using somatic cell nuclear transfer. The monkeys, which exhibit circadian disorder phenotypes, can be used to study the pathogenesis and therapeutic treatments for human diseases such as sleep disorders and neurodegenerative diseases.
Research has confirmed the presence of neurotoxin BMAA in 89% of eastern Australian freshwater samples, with highest levels ever recorded. The toxin is produced by cyanobacteria and linked to neurodegenerative diseases such as ALS/MND worldwide.
Researchers at University of Illinois Chicago used graphene to identify cerebrospinal fluid from patients with ALS, multiple sclerosis, or no neurodegenerative disease. The study found unique changes in graphene's vibrational characteristics depending on the patient's condition.
Researchers at St. Jude Children's Research Hospital have developed a new class of compounds called pantazines that may treat the rare neurodegenerative disorder pantothenate kinase-associated neurodegeneration (PKAN). The compounds elevate coenzyme A levels, preventing neuron dysfunction and improving symptoms in mice models.
A new PET imaging radiotracer, <sup> 18 </sup> F-XTRA, was tested on adults to study the distribution of the α4β2 nicotinic acetylcholine receptor in the brain. The research found that the radiotracer rapidly entered the brain and distributed quickly, with lower binding in the hippocampus with healthy aging.
A protein called Staufen1 accumulates in cells of patients with degenerative ataxia or amyotrophic lateral sclerosis (ALS), suggesting a potential therapeutic target. Depleting Staufen1 from affected mice improved symptoms, revealing a novel avenue for treating neurodegenerative diseases.
Researchers discovered the intrinsically disordered region (IDR) of Ataxin-2 facilitates its association with other pathogenic proteins, contributing to ALS and SCA2 progression. It also plays a vital role in long-term memory formation and rewiring the nervous system.
Microglia, specialized immune cells in the brain, have been found to gobble up the remnants of injured neurons, preventing damage from spreading to neighboring neurons. This discovery could lead to new strategies for boosting microglial clearance and limiting neurodegeneration after brain or spinal cord injury.
A study from McGill University found that combining probiotics with an herbal supplement called Triphala increases fruit fly lifespan by 60%. The researchers observed reduced traits of aging, including insulin resistance, inflammation, and oxidative stress. The findings suggest a potential link between gut bacteria and human longevity.
The xB3 platform efficiently delivers antibodies across the BBB, maintaining systemic pharmacokinetics and improving brain exposure. The platform demonstrates dose-dependent effects in neuropathic pain models, providing a promising treatment for CNS disorders.
Scientists have developed a new drug compound that shows promise as a future treatment for Charcot-Marie-Tooth disease, an inherited neurodegenerative condition affecting peripheral nerves. The researchers found that the problem lies in mitochondria's inability to travel distances, leading to nerve atrophy and muscle loss.
A study led by Patrick Freund found that patients with smaller initial nerve loss have better long-term recovery. The researchers tracked microstructural changes in the spinal cord and brain after two years, predicting recovery trajectories using non-invasive neuroimaging.