Articles tagged with Parkinsons Disease
A new study by UCL researchers hints at the possibility of detecting conditions such as coeliac disease and Parkinson's disease in principle up to 10 years before diagnosis. The review of existing evidence indicates a 'diagnostic window' – the point at which diagnosis may be possible for some patients.
A study by University of Helsinki researchers identifies specific Desulfovibrio bacterial strains as a primary cause of Parkinson's disease in most cases. The findings suggest that these bacteria can trigger aggregation of the alpha-synuclein protein, potentially leading to disease progression.
A new study published by Edith Cowan University found that boxing programs can improve symptoms of Parkinson's Disease, including fatigue and sleep, in early-stage patients. The program combined elements of exercise, computerized cognitive training, and socialization into a single activity.
This study investigated the neural correlates of lower limb function in Parkinson's disease (PD) using fMRI. It found hypoactivation of the posterior putamen and cerebellum, as well as hyperactivation in premotor regions like the SMA, which could lead to better understanding of lower limb symptoms.
Scientists found that dopamine-containing nerve cells from Parkinson's patients have poorer ability to form extensions, leading to severe dopamine deficiency. Researchers also discovered a medication that makes these cells better at forming nerve extensions.
Scientists used paired-pulse TMS to condition brain responses in a group of 75 people, finding that listening to a tone triggered muscle contraction in the thumb. The study suggests TMS could be used therapeutically to improve mobility in Parkinson's disease patients or treat depression.
A new study at Stanford University found a previously unknown cellular pathway for clearing misfolded proteins from the nucleus. This pathway could be a target for therapies of age-related diseases like Alzheimer's, Parkinson's, and Huntington's. Cells use this pathway to manage misfolded proteins in both the cytoplasm and nucleus.
Researchers at McGill University found that analyzing gene activity can classify brain diseases into five primary groups, improving diagnosis accuracy. The study identified previously unknown relationships among diseases, such as language development disorders and obsessive-compulsive disorder, which share common genes and cell types.
Researchers genetically engineered neural progenitor cells to release a neuroprotective protein, preventing neuron death in animal models of ALS and retinal disease. Engineered NPCs successfully preserved vision in rats with retinal disease.
A team of researchers has identified a peptide that disrupts the interaction between alpha-synuclein and a protein subunit of cellular machinery, reducing its levels and promoting cell clearance. The study suggests a new therapeutic avenue for Parkinson's disease and other neurodegenerative conditions.
Researchers at Gladstone Institutes have made a groundbreaking discovery about how neurons consume and metabolize glucose, a process crucial for maintaining normal energy levels. The study found that neurons rely on glycolysis to break down glucose, and its disruption can lead to severe learning and memory problems in mice.
A new PANDA-project aims to develop and test an ear-EEG device that can screen patients for Alzheimer's and Parkinson's diseases. The technology measures brain electrical activity and sleep patterns, with the goal of identifying early signs of the diseases and enabling earlier diagnosis.
Researchers have found that commercially available smartphones and smartwatches can capture key features of early, untreated Parkinson's disease. These technologies could provide more objective and continuous ways to measure the disease, bringing new treatments to market faster for patients in the early stages.
Researchers found that crowdsourced listeners can accurately assess voice quality for people with Parkinson's disease, supporting the use of crowdsourcing to evaluate speech samples. The study replicated a previous finding that intensive voice and articulation therapies improve voice quality.
Researchers discovered a misfolded alpha-synuclein protein as a potential biomarker for early detection of Parkinson's disease. The test was accurate in detecting the disease 87% of the time and identifying its absence 96% of the time.
Researchers identified a technique to detect abnormal protein deposits linked to Parkinson's disease, confirming its accuracy for early detection and characterisation. The α-synuclein seed amplification assay (αSyn-SAA) can identify people with Parkinson's disease and at-risk individuals prior to diagnosis.
Researchers developed an electrochemical sensor using 3D printing to detect Parkinson's disease at different stages by measuring levels of the protein PARK7/DJ-1. The sensor was miniaturized for portability and could be used for continual monitoring with alerts for physicians and patients.
Researchers found that dopamine availability in the brain affects people's self-assessment of physical effort and willingness to undertake future exertions. The study, which involved Parkinson's disease patients, suggests that dopamine level is a critical factor in helping people accurately assess how much effort a physical task requires.
Researchers at the University of Helsinki discovered a potential treatment for Alzheimer's disease and frontotemporal dementia using a PREP inhibitor. The PREP inhibitor reduced Tau accumulation and toxicity in cellular models and mice with tauopathy, improving cognitive skills.
A study published in Neurology found that Black, Hispanic, and Asian people with Parkinson’s disease have a lower health-related quality of life compared to white people. The researchers evaluated quality of life using a questionnaire and adjusted for factors such as age, sex, and disease duration.
A UC Riverside-led study finds nearly half of domestic well water users in the Central Valley live in disadvantaged communities with high manganese contamination rates. The highest concentrations are found in private, untreated well water systems, posing health risks to fetuses and children.
Research reveals that cold activates cellular cleansing mechanisms that break down protein clumps, preventing age-related diseases like Alzheimer's and Parkinson's. By modulating proteasome activity, scientists have found a potential therapeutic target for aging and related neurodegenerative disorders.
Three pre-clinical studies published in Journal of Pharmaceutical Analysis explore the molecular mechanisms underlying cardiovascular and neurological diseases, providing new avenues for therapeutic strategies.
Researchers propose incorporating 'hopamine' into therapeutic mix to personalize care for individuals with Parkinson's disease. By considering each person's unique physical and personal characteristics, healthcare professionals can avoid false hopes and create more effective treatment plans.
Researchers at the Mayo Clinic found that surgical removal of both ovaries in women under 43 increases their risk of developing Parkinson's disease and parkinsonism. The study used health record data from the Rochester Epidemiology Project to analyze over 2,750 women who underwent bilateral oophorectomy.
A new spectroscopy probe could improve the accuracy of deep brain stimulation procedures for Parkinson's patients by providing real-time information on brain tissue. The probe uses optical fibers to perform spectroscopic measurements, which can help neurosurgeons navigate instruments inside the brain.
A new study links shorter telomeres to multiple changes in the brain associated with dementia, including reduced grey matter volume and a thicker cerebral cortex. Longer telomeres were found to be protective, reducing the risk of dementia but not stroke or Parkinson's disease.
A Swedish study suggests that elite male footballers are 1.5 times more likely to develop neurodegenerative disease, including Alzheimer's and Parkinson's disease, compared to population controls. Football players had a higher risk of dementia due to head trauma exposure, with goalkeepers showing no significant increase in risk.
A systematic review of 156 trials found that physical exercise improved motor symptoms and quality of life in people with Parkinson's Disease. Most types of structured exercise, including dance, water-based exercise, and endurance training, showed clinically meaningful benefits.
A widely used dry cleaning chemical, trichloroethylene (TCE), may be fueling the rise of Parkinson's disease. Exposure to TCE has been linked to an increased risk of developing the condition, particularly among individuals who worked with or lived near contaminated sites.
A new focused ultrasound treatment has been shown to improve dyskinesia and motor impairment in patients with Parkinson's disease. The study, led by UNC School of Medicine researchers, found that 69% of patients who underwent the treatment experienced a response, compared to 32% of those in the control group.
Researchers used AI to analyze literature describing compounds that enhance mitophagy, a process damaged in Parkinson's disease. Probucol, a cholesterol-lowering drug, was identified as the most effective compound with improved motor function and neuron loss in animal models.
A study by Nagoya University researchers identified three intestinal bacteria - Collinsella, Ruminococcus, and Bifidobacterium - linked to dementia with Lewy bodies. These findings may help diagnose and treat the neurodegenerative disease, with potential therapeutic interventions targeting specific bacteria.
A tiny worm called C. elegans is enabling scientists to explore the emerging theory that Parkinson’s disease starts in the gut, where a sticky protein causes neurons to die. The worms have a digestive tract and neurotransmitters similar to humans, making them a great model for studying cognitive problems associated with Parkinson's.
A patient with Parkinson's disease has received a pioneering stem cell-based transplant at Skåne University Hospital in Sweden. The procedure aims to replace lost dopamine nerve cells and is part of a clinical trial testing the safety and efficacy of this innovative treatment, which could potentially help millions of people worldwide.
A team of biologists and engineers created a miniature facility called the Acoustic Gym to study exercise in tiny worms. They found that swimming exercises reduced neurodegeneration in genetically engineered worms with Parkinson's-like symptoms, which could lead to new treatments for humans.
Researchers identified a gene linked to Parkinson's Disease also contributes to cell debris buildup in the brain. Autophagy disruption leads to toxic waste accumulation and neuron death, hallmarks of the disease. The discovery could pave the way for new, more effective treatments by targeting autophagy.
A research group at Uppsala University has developed an artificial blood-brain barrier model that can validate the effectiveness of antibodies in reaching the brain. The model allows for the testing of antibodies without the need for animal experimentation, providing a more efficient and cost-effective alternative.
A preliminary study found a nationwide association between Parkinson's disease and air pollution exposure, with the highest levels of fine particulate matter linked to increased risk. The Mississippi-Ohio River Valley was identified as a hotspot for Parkinson's disease, where risk increases with increasing air pollution exposure.
A study published in PNAS reveals how environmental signals interact with genetic information to influence brain cell health and survival. The research highlights a protein called TNK2 that tunes dopamine levels, finding mutations lead to Parkinson's degeneration.
A new study led by University of Maryland School of Medicine researchers found that focused ultrasound treatment significantly reduced tremors and improved mobility in Parkinson's patients. Nearly 70% of treated patients showed a successful response after three months, with two-thirds continuing to respond a year later.
Researchers have discovered a method to detect α-synuclein aggregates in stool samples, indicating an early form of Parkinson's disease. This finding could lead to the development of a non-invasive diagnostic tool, enabling therapies to be initiated at an early stage.
Researchers create advanced imaging-based method for studying mitochondria, enabling detailed mapping and measurement of structural changes. This technique has potential applications in understanding diseases such as Alzheimer’s, Parkinson’s, and cancers where mitochondrial function is disrupted.
NeuralTree is a closed-loop neuromodulation system-on-chip that can detect and classify biomarkers from real patient data and animal models of disease in-vivo, leading to high accuracy in symptom prediction. The system boasts 256 input channels, making it highly versatile and scalable.
A new electrochemical sensor has been developed to detect dopamine levels in biological fluids, potentially leading to earlier disease detection for conditions like Parkinson's disease and depression. The method uses carbon quantum dots and ionic liquids, offering a quick and sensitive test.
Lithuanian researchers have developed an AI system to detect early symptoms of Parkinson's disease using voice data. The study found that patients with early-stage Parkinson's often speak in a quieter, more monotonous tone, which can be difficult to notice by ear.
Researchers at UCLA have created the first synthetic version of lissodendoric acid A, a sea sponge-derived molecule with potential therapeutic benefits for Parkinson’s disease and similar disorders. The team developed a method that employs cyclic allenes to produce only the desired enantiomer of the molecule.
Swansea University scientists developed a smart patch that can detect proinflammatory biomarkers of neurodegenerative diseases, including Alzheimer's, using microneedle technology. The patches can be self-administered for point-of-care diagnosis and have the potential to change the landscape of early disease detection.
A recent study published in Nature Communications has found a significant imbalance in the gut microbiome of individuals with Parkinson's disease. The researchers discovered that over 30% of micro-organisms and bacterial genes tested had altered abundances, indicating a widespread imbalance in the microbiome.
A new nanopore-based sensing device explores the aggregation of tau and tubulin proteins in neurodegenerative diseases such as Alzheimer's and Parkinson's. The device provides volume information about protein molecules and their states at the single-molecule level, offering insights into protein binding and aggregation.
A recent study has identified common and unique cellular processes in six neurodegenerative diseases, providing new insights into the underlying causes of these conditions. The research used machine learning analysis to compare RNA markers in whole blood samples from patients with distinct diseases, revealing eight shared themes across...
A new algorithm developed by researchers at Charité improves motor symptoms comparable to standard of care treatment, increasing efficiency in deep brain stimulation for Parkinson's disease. The study suggests a promising result for imaging-based algorithms to simplify clinical practice and improve therapeutic outcomes.
A new study found the annual incidence of Parkinson’s disease in the U.S. to be nearly 90,000 cases per year, a 50% increase from previous estimates of 60,000 diagnoses annually. The increased incidence is attributed to an aging population and highlights the need for more research and better treatments.
Researchers from IIT have discovered a correlation between small RNA molecules, piRNAs, and brain inflammation. The study lays the groundwork for new diagnostic technologies to detect neurodegenerative diseases, such as Alzheimer's and Parkinson's, at an early stage.
A recent study suggests that stimulating the intersection of two particular brain networks correlated with better patient outcomes than stimulating nearby sites for patients with Alzheimer's disease. Cognitive improvement was associated with DBS to the direct interface between the fornix and bed nucleus of the stria terminalis.
A study published in the Hypertension journal suggests that bromocriptine, a Parkinson's disease medication, may help prevent heart disease in youth with Type 1 diabetes. The research found that teens with Type 1 diabetes who took bromocriptine had lower blood pressure and less stiff arteries after one month of treatment.
Researchers investigated neuronal response to excessive iron accumulation associated with age-related neurodegenerative diseases. They identified two genes, CLU and HERPUD1, that responded to aging-related iron accumulation, highlighting potential preventative strategies.
A new laboratory test can measure levels of amyloid beta oligomers in blood samples, detecting toxic proteins up to years before cognitive impairment. The test, SOBA, has shown promising results in identifying individuals at risk or incubating Alzheimer's disease.
The latest research evidence suggests that inflammation may play a causative role in Parkinson's disease. Multiple independent studies have provided evidence of the involvement of central and peripheral immune and inflammatory processes in PD, with increasing evidence suggesting an association with autoimmune conditions.
Researchers have discovered that a specific mutation in the misfolding protein causing Parkinson's disease can also protect against multiple system atrophy (MSA), another fatal neurodegenerative disorder. The findings provide a promising lead for developing targeted treatments using personalized medicine approaches.