Articles tagged with Neurodegenerative Diseases
Researchers discovered two proteins, GSK3ß and ERK1, that regulate the movement of a toxic huntingtin protein in neurons. Inhibiting GSK3ß led to reduced axonal blockages and neuronal cell death, while inhibiting ERK1 had the opposite effect, increasing transport problems and cell death.
Researchers at KAIST have identified a key mechanism behind neuroinflammatory responses in Parkinson's disease, which is regulated by an RNA editing enzyme called ADAR1. This discovery suggests that targeting this enzyme could serve as a novel therapeutic strategy for treating the disease.
A protein link between brain diseases and leaky blood vessels reveals that endothelial cell dysfunction plays a crucial role in the progression of neurodegenerative diseases. The study found that reduced TDP-43 levels lead to gaps in blood vessel walls, allowing toxic molecules to enter the brain.
Researchers identified key tasks in a speech assessment battery to detect primary progressive aphasia, a rare neurodegenerative disease. Early detection can lead to slower disease progression and improved communication skills.
Researchers at UCSF found clinically significant improvements in mood, cognition, and motor function after psilocybin therapy for patients with mild to moderate Parkinson's disease. The study suggests that psilocybin could provide relief from multiple symptoms of the disease by reducing inflammation and promoting neuroplasticity.
Researchers develop a simplified model of tau protein that forms disease-like fibrils, shedding light on the fundamental interactions underlying neurodegenerative diseases. The 'mini prion' can recreate the critical hallmarks of tauopathies, such as Alzheimer's disease.
Researchers found that ATP regulates protein condensation and cytoplasm viscosity, preventing harmful protein aggregates. Boosting ATP production decreases viscosity, dispersing existing and preventing future protein aggregations.
A new study led by University College London researchers found that people with Alzheimer's disease scored slightly higher on a measure of empathy than peers with mild cognitive impairment. Despite this, emotional reactivity to negative emotions was heightened among those with Alzheimer's disease, contributing to difficulties regulatin...
A rodent study found hnRNP A1 regulates myelin production and maintains its integrity, suggesting an impact on neurodegenerative diseases like schizophrenia. The findings provide new insights into the disease's molecular basis and potential treatments.
Researchers at the University of Gothenburg have discovered a molecule that helps more mitochondria function properly, improving energy production in cells from patients with POLG mutations. This breakthrough paves the way for a new treatment strategy and may have broader therapeutic use for other mitochondrial diseases.
A dual-principal investigator research group led by Dartmouth and the Sean M. Healey & AMG Center for ALS at Massachusetts General Hospital will test the effectiveness of video as a communication tool during patient visits for people living with Amyotrophic Lateral Sclerosis (ALS) and their caregivers.
A novel computational tool called CHOIR can accurately distinguish cells of different identities in complex biological samples, helping scientists pinpoint the discordant cells that disrupt harmony and promote disease. CHOIR overcomes limitations of existing tools by avoiding personal bias and introducing unbiased statistical frameworks.
Mass General Brigham researchers have identified 17 modifiable risk factors shared by stroke, dementia, and late-life depression. Modifying any one of these risk factors can reduce the risk of all three conditions, providing an opportunity to simultaneously reduce the burden of age-related brain diseases.
Researchers at Temple University have discovered a new way to block the enzyme DLK, which plays a key role in neurodegenerative diseases. The breakthrough approach protects damaged neurons while preserving healthy neuron function.
A new imaging technology has been developed that combines super-resolution imaging with artificial intelligence to reveal subcellular structures and dynamics in living cells. This breakthrough enables scientists to better understand the root causes of diseases, leading to improved treatments.
Cells dynamically adjust nuclear pore complexes like a retail store opening more checkout lines to regulate genome access. Research findings suggest that protein creation and disposal systems control the amount of NPCs in cells.
Researchers developed a blood test that accurately diagnoses Alzheimer's disease and measures its progression. The test correlates with the amount of tau aggregates in the brain, distinguishing between early- and late-stage diseases.
A new method has been developed for engineering specific mtDNA deletions in human cells, providing a powerful tool to model disease-associated mtDNA deletions. This approach uncovers mechanisms of histiocytosis-associated neurodegeneration and investigates how mutant stem cells co-opt regeneration to make tumors grow.
The Systems Metabolomics Centre will focus on three key areas: profiling populations of healthy people and those living with specific illnesses, leveraging state-of-the-art metabolomic technologies to drive biomarker discovery and metabolism research. The centre aims to develop non-invasive tests, detect diseases earlier and guide doct...
A clinical trial shows that removing amyloid plaques from the brain can delay Alzheimer's symptoms, supporting the amyloid hypothesis. The treatment reduced the risk of developing dementia in people destined to develop early-onset Alzheimer's disease.
Scientists at the University of South Australia have developed a phospholipid complex to improve cannabidiol's effectiveness in treating epilepsy, multiple sclerosis, and other neurodegenerative diseases. The new formula increases cannabidiol's solubility by up to six times and improves its absorption in the gastrointestinal tract.
Researchers found that selfish genes use self-assembly properties to harm cells, with aggregate size and distribution being key factors in toxicity. The study also reveals an evolutionary arms race between sabotage and salvation, where rapid evolution of 'selfish' genes can lead to their own destruction.
A review article reveals CD2AP's crucial role in amyloid metabolism, tau pathology, synaptic function, and neuroinflammation in Alzheimer's disease. CD2AP deficiency accelerates plaque formation, while its loss in neurons leads to reduced spine density and impaired synaptic plasticity.
A new diagnostic method called flicker optoretinography (f-ORG) analyzes the retina's reaction to light, helping to detect danger before symptoms appear. The technique detects even minor changes in photoreceptors, providing valuable insights into retinal health.
Researchers have developed a computational tool, Spotiphy, that uses generative AI to enhance the resolution of sequencing-based spatial transcriptomics without sacrificing gene coverage. This breakthrough enables single-cell resolution in tissue imaging while maintaining full transcriptome coverage.
Promoting cardiovascular health may help alleviate neurodegenerative disease burden in older adults, particularly among Black adults. The study found a positive correlation between cardiovascular health and biomarkers of neurodegenerative disease.
A study published in Human Gene Therapy found that over half of individuals with Niemann-Pick disease type C1 lacked neutralizing antibodies against AAV2 and AAV9. This absence of antibodies may impact the effectiveness of gene therapy treatments for this rare disorder.
Researchers develop a potential new treatment for rare genetic diseases characterized by low levels of specific proteins. By adding an artificial poly(A) tail to mRNA, they boost protein production and aim to improve symptoms in people with protein-deficient disorders.
Scientists repurposed the drug edaravone as an imaging probe to detect oxidative stress in brain tissue using PET scans. This technique can help diagnose neurological conditions such as ALS and Alzheimer's disease earlier, when treatment is more effective.
The Aligning Science Across Parkinson’s (ASAP) initiative offers funding of up to $6M for research community members to develop sustainable tools for Parkinson’s disease research. The funding supports the development of preclinical models, detection reagents, and modulation agents to accelerate therapeutic research.
TruDiagnostic presents its latest advancements in epigenetic testing, leveraging DNA methylation to predict disease risk. The company has developed over 1,700 Epigenetic Biomarker Proxies (EBPs), outperforming traditional biomarkers in accuracy and effectiveness.
La Jolla Institute scientists found that a protein in brain cells drives Parkinson's onset and may explain why the disease is more common in men. PINK1 appears to mark brain cells for immune cell attack, leading to inflammation and death.
A new study published in The Lancet Digital Health found that accelerated ageing in specific organs can predict diseases across the entire body. Organ ageing rates were linked to increased risks of various diseases, including cardiovascular disease, respiratory infections, and dementia.
A pioneering study demonstrates the feasibility of treating SMA prenatally using risdiplam, a drug administered to an expectant mother during pregnancy. No identifiable features of SMA have been observed in a 2.5-year-old child, suggesting a promising outcome for future research.
A new approach enables researchers to generate antibodies against transitory protein targets, providing insights into disease mechanisms and potential therapeutic targets for Alzheimer's and Parkinson's.
Marcel P. Goldschen-Ohm wins the 2024 Paper of the Year-Early Career Investigator Award for his study on GABA receptor subunit linkers and their role in pore gating and diazepam modulation, challenging conventional views on receptor function.
Researchers have discovered Mitofusin 2's unexpected function in maintaining protein quality within cells, interacting with the proteasome and chaperones to prevent toxic aggregates. This novel connection has far-reaching implications for treating CMT and other neurodegenerative diseases.
A fungal infection has been shown to trigger a fruit fly's own immune system to destroy brain cells leading to signs of neurodegeneration. The fungus makes the fly's innate immune system release Sarm, which suppresses the immune response and kills brain cells.
Researchers at WashU Medicine found that new Alzheimer's therapies can add up to 10 months of independent living with lecanemab and 8 months with donanemab. The study provides a more meaningful measure of treatment benefits, focusing on day-to-day impacts on patients' lives.
Dr. Mikael Simons is being recognized for his pioneering research on myelin biology, glial cell biology, and neuroinflammation that continues to inform MS research. His work has helped identify a promising therapeutic target with potential to benefit people with MS.
A team of scientists at Linköping University has developed a method to anchor conductive polymers to individual living cell membranes without affecting the cell's functions. This innovation opens up new possibilities for treating neurological diseases with high precision.
Researchers investigate how repetitive blows to the head impact brain health, potentially leading to neurodegenerative diseases. The study aims to detect and mitigate acute effects of exposure to repetitive head hits using objective measures.
A study led by Toho University and Maastricht University revealed that loss of VCP gene function during neural development causes FTLD. This finding offers fundamental insights for developing new treatments for the disease.
Researchers have found that microglia function differently in adult male versus female mice when given an enzyme inhibitor, with potential broad implications for how neurological diseases are studied. This discovery highlights the necessity of gender-specific research and may lead to new disease-modifying therapies targeting microglia.
Intrinsically disordered proteins make up 30% of all proteins and are linked to various diseases. By combining two methods in a single sample, researchers have improved the accuracy of measuring protein size and its impact on disease development.
This study investigated the performance of plasma neurodegenerative biomarkers (NfL, GFAP, tau, and UCHL1) in diagnosing minimal hepatic encephalopathy (MHE) and predicting overt hepatic encephalopathy (OHE) in Chinese patients with hepatic cirrhosis. The results showed that a combination of NfL, GFAP, tau, and UCHL1 was effective in d...
The Cognitive Neuroscience Society conference will feature keynote addresses, award lectures, and symposia on various topics in cognitive neuroscience. Researchers will present the latest findings on sleep, emotional experiences, brain connectivity, and more.
The Aligning Science Across Parkinson’s initiative is launching a new funding opportunity to support collaborative research teams focused on understanding Parkinson’s disease heterogeneity across six focus areas. The grants will provide up to $3 million per year over three years.
Batten disease, a neurodegenerative disorder, affects the bowel wall's enteric nervous system, causing degeneration and bowel symptoms. Gene therapy has been shown to slow symptoms and extend lifespan in mice by preventing enteric neuron degeneration.
Researchers at the University of Bergen have made a groundbreaking discovery in understanding the structure of protein clumps associated with Huntington's disease. The study provides new insights into the disease's mechanisms and paves the way for the development of diagnostic tools and treatments.
A study by Tufts University researchers found that head trauma can activate dormant viruses in the brain, triggering neurodegenerative diseases like Alzheimer's. The discovery suggests antiviral drugs could be used as early preventive treatments after head injuries.
Researchers have discovered a nucleolar complex that plays a pivotal role in maintaining cellular health through protein homeostasis, allowing for the dramatic reduction of toxic effects of Alzheimer's-causing proteins. This breakthrough offers hope for new therapies to slow or prevent neurodegenerative diseases, promoting healthy aging.
Researchers have unveiled a critical mechanism linking cellular stress in the brain to Alzheimer's disease progression, highlighting microglia as central players in both protective and harmful responses. The study reveals that blocking a specific stress pathway reverses symptoms of Alzheimer's disease in preclinical models.
A recent study suggests that tiny antenna-like structures on cells called primary cilia could be a potential therapeutic target for Amyotrophic Lateral Sclerosis (ALS). Researchers have identified mutations in the C21orf2 gene, which impair primary cilia formation and structure, leading to motor neuron death.
Researchers found that neuroinflammation in the hippocampus significantly alters motivation and behaviour in mice, particularly in females. This study suggests that treatments targeting hippocampal neuroinflammation could help reduce cognitive and behavioural symptoms in diseases such as Alzheimer's and Depression.
A team of researchers has discovered a hitherto unrecognized role of mitochondria in maintaining cellular NAD levels. Decreased NAD levels are involved in ageing processes and various pathologies, but the study reveals that cells can generally tolerate reduced NAD levels without fatal consequences.
The InteReg project aims to create interactive biomaterials that instruct cells to regenerate after brain or spinal cord injuries, potentially treating MS and other neurological disorders. The project, funded by the Carl Zeiss Foundation, brings together experts in biology, chemistry, medicine, and polymer research.
The Pew Charitable Trusts has funded eight teams of researchers to conduct interdisciplinary biomedical research projects. These partnerships aim to advance scientific discovery and improve human health by combining expertise in cell biology, immunology, neuroscience, and genetics.
The study reveals that electrical signals enhance calcium entry into cells, amplifying localized signals and extending their influence to neighboring cells through E-Ca coupling. This creates a synchronized system that adjusts blood flow both locally and across wider distances.
The partnership integrates Answer ALS’s Neuromine Data Portal with the AD Data Initiative's AD Workbench, providing a unified platform for data sharing and analysis. This collaboration enables integrative analysis of ALS and Alzheimer’s data, streamlining efforts and enhancing research impact.