Articles tagged with Parkinsons Disease
Researchers found that Parkinson's disease patients demonstrate stable preferences for abstract art but diminished perception of movement in paintings. The study suggests that the brain's motor system interprets non-representational visual cues as abstract representations of movement, influencing aesthetic experiences.
A study by Florida State University College of Medicine researchers found a consistent association between neuroticism and an increased risk of developing Parkinson's disease. Adults with high neuroticism scores were 80% more likely to develop Parkinson's than those with lower scores.
Researchers are developing a new therapy to alleviate painful side effects of chronic drug treatment in Parkinson's patients. They're also working on a technology to safely locate abandoned oil and gas wells using drones, addressing an environmental hazard across the US.
A new study reveals that sleep disorders are a common symptom of multiple system atrophy, with greater severity correlating to more neuronal damage. The research found specific associations between sleep-related symptoms and MSA severity, including the parkinsonism subtype.
Researchers found a molecular link between Parkinson's disease and melanoma, with amyloid proteins α-synuclein and Pmel interacting in melanoma cells. This interaction may lead to reduced pigment production, contributing to the increased risk of melanoma in Parkinson's patients.
Researchers found that Parkinson's patients exhibit 53% lower step length synergy while crossing obstacles compared to healthy subjects. This impairment affects gait timing and foot positioning, making it difficult for patients to navigate obstacles safely, increasing the risk of falls.
Scientists have found that the parkin protein acts as a powerful antioxidant and storage site for dopamine radicals in brain cells. This discovery may lead to new treatments for early-onset Parkinson's disease by delivering antioxidants or a healthy copy of the parkin gene.
L-DOPA-induced dyskinesia is a major side effect of long-term medication, affecting millions worldwide. Researchers revealed the link between neuronal activity changes and dyskinesia, suggesting suppressing or restoring neurotransmission through key pathways may improve symptoms.
Researchers identified specific neural circuits in the basal ganglia linked to motor and non-motor Parkinson's symptoms. The findings provide a novel framework for understanding disease progression and may lead to more precise therapeutic strategies.
Research suggests that exercise can delay cognitive decline in people with Parkinson's disease who have the APOE e4 gene variant. This study found that greater physical activity at the start of the study reduced APOE e4-related cognitive decline two years later.
Researchers have made breakthroughs in deep brain stimulation, a therapeutic treatment for Parkinson's disease. Electrical stimulation at higher frequencies can successfully recalibrate dysfunctional circuits causing movement symptoms.
Researchers found that the Parkinon's gene PINK1 impairs the process of generating dopamine-producing neurons in the brain throughout adulthood. This discovery has significant implications for the future treatment of Parkinson's patients who develop the illness due to PINK1 defect or similar gene defects.
Researchers used AI software to analyze facial changes caused by Parkinson's disease, finding differences in apparent age and facial expressions. The study suggests AI could accelerate diagnosis and treatment for neurodegenerative diseases.
A team of bioinformaticians at Saarland University have identified microRNAs as potential biomarkers for Parkinson's disease using artificial intelligence methods. They found that the level of these non-coding RNAs in blood samples can track the course of the disease, particularly in the third decade of life and from around age 70.
Scientists have developed a technique to identify Parkinson's based on compounds found in sebum, a oily substance that coats the skin. The test shows promise for diagnosing the condition quickly and painlessly, with 85% accuracy.
Parkinson's UK is investing £1.2 million in a project to refine a molecule that could be developed into a drug to protect dopamine-producing brain cells and slow down the progression of Parkinson's. The project aims to develop a treatment that can halt Parkinson's by boosting the function of brain cells' energy-producing mitochondria.
Research from Queen Mary University of London has concluded that type 2 diabetes is associated with an increased risk of Parkinson's disease and may contribute to faster disease progression. Treating people with type 2 diabetes medications may reduce Parkinson's risk and slow its progression.
Researchers at Texas A&M University discovered that cytisine reduces dopamine neuron loss in females, providing potential evidence for treating Parkinson's disease. The protective effect of cytisinex occurred only in female animal models, and combining it with estrogen produced a stronger effect.
Researchers have discovered a link between immune cells in the blood and the development of Parkinson's disease. The study found that changes in these immune cells can lead to inflammation and neuronal activity loss in the brain, even before symptoms appear.
Researchers at Osaka City University discover sesaminol protects against neuronal damage and increases dopamine levels in Parkinson's disease models. The study suggests sesaminol may be the first-ever medicine for Parkinson's disease, potentially derived from industrial waste.
A preliminary study found that golf was better than tai chi in improving balance and mobility for people with Parkinson's disease. Golf participants were also more likely to continue with the activity, which may be attributed to its popularity among older adults.
Grafting neurons from monkeys' own cells into their brains relieved debilitating movement and depression symptoms associated with Parkinson's disease. The autologous transplants showed significant improvements within six months, with dopamine levels doubling and tripled within a year.
A genetic study of Lewy body dementia suggests that the disease is caused by a spectrum of problems seen in both Alzheimer's and Parkinson's diseases. Five genes have been identified as critical to the development of Lewy body dementia, with variations in these genes also linked to increased risk of Alzheimer's and Parkinson's diseases.
Researchers have discovered that alpha-synuclein, a protein present in everyone's brains, sticks to the inner face of nerve cell membranes and can kill healthy brain cells. The study sheds new light on the origins of Parkinson's Disease, a neurodegenerative disorder affecting millions worldwide.
Scientists have identified neurons responsible for rapidly stopping behaviors and actions in patients with Parkinson's disease. These 'stop signal neurons' are critical in canceling planned movements, a skill that is lost in the condition. The discovery has the potential to improve deep brain stimulation treatment outcomes.
A monitoring system based on smartwatches detects movement issues and tremors in Parkinson's patients, allowing for remote monitoring and adjusted medication plans. The platform showed promising results, with 94% match between clinician evaluations and patient data.
Researchers found changes in gut microbiome composition correlate with higher levels of toxic bile acids in people with Parkinson's. The findings suggest bile acids may be a viable biomarker for diagnosing Parkinson's early and tracking its progression.
A large observational study found that taking terazosin for enlarged prostate is associated with a reduced risk of developing Parkinson's disease. Men taking terazosin were 12-37% less likely to develop the disease compared to those taking tamsulosin, according to the study published in JAMA Neurology.
Researchers used an 'organs-on-a-chip' system to model the influence of gut bacteria on brain health and found that short-chain fatty acids can worsen Parkinson's disease. The study suggests a link between lipid metabolism and neurodegenerative diseases, highlighting the complex interactions between the gut and brain.
A new study reveals that genetic variations associated with Parkinson's disease alter the action of ion channels within lysosomes, a cellular organelle responsible for waste removal and recycling. These variations increase or decrease disease risk by influencing the function of an ion channel in cells' recycling centers.
Researchers at TU Wien have developed a new approach to single-atom catalysis, which can lead to more effective and cost-efficient catalysts. The study reveals that customized properties through tailored surfaces can change the reactivity of individual atoms, making expensive metals like platinum less necessary.
A recent study found no association between gut fungi and Parkinson's disease, contrary to previous studies on the bacterial microbiome. The researchers analyzed fecal samples from 95 PD patients and 57 controls, concluding that fungi were sparse in the gut microbiomes of PD patients.
Researchers at Ben-Gurion University of the Negev have discovered a protein BMP5/7 that shows promise in slowing or halting Parkinson's disease progression. Current therapies improve symptoms but do not address advanced stages.
Researchers found that people with Parkinson's disease who have visual problems are more likely to develop dementia, with underlying changes in brain wiring explaining the connection. Vision tests may provide a window of opportunity to predict Parkinson's dementia before it begins.
Researchers at Nagoya University found that blood pressure, hematocrit, and serum cholesterol levels change in patients with Parkinson's disease long before the onset of motor symptoms. These biomarkers may help detect early signs of developing Parkinson's disease.
A study conducted at the University of Turku found that patients with schizophrenia have an increased risk of developing Parkinson's disease. The research suggests that alterations in the brain's dopamine system may be a key factor contributing to this increased risk.
Researchers found a strong correlation between following the MIND and Mediterranean diets and later onset of Parkinson's disease in women up to 17.4 years and men up to 8.4 years. The study suggests nutrition could potentially delay the disease.
Researchers at Uppsala University have discovered a link between faulty L-Dopa metabolism and severe side effects in Parkinson's patients. Abnormally elevated levels of L-Dopa and its metabolite were detected in brain regions outside the striatum, suggesting alternative mechanisms underlying motor disorders.
Researchers found that focused ultrasound improved parkinsonian symptoms by 10 points in treated patients, with potential benefits for those with asymmetrical symptoms and limited treatment options. However, further refinements of the technology are needed to ensure reliability and safety.
Researchers are using cutting-edge MRI sensors to map brain responses to drugs of abuse and identify genes that promote neuron survival. They plan to apply this technology to study Parkinson's disease, hoping to uncover new therapeutic targets.
A study published in JAMA Psychiatry found that patients with Parkinson disease in Taiwan were at a higher risk of suicidal thoughts and behaviors compared to the general population. The research highlights the need for improved mental health support and early intervention strategies for individuals with Parkinson disease.
Researchers have identified electrical oscillations in Parkinson's patients' scalps that are coupled with brain activity, suggesting a key to understanding the disease's characteristic movement slowing. The study's findings could lead to novel therapies and shed light on the connection between cognitive disorders and motor symptoms.
Researchers have produced genetically modified tomatoes enriched in L-DOPA, a natural source for the essential medicine. The development offers benefits for people who suffer from adverse effects of chemically synthesized L-DOPA.
A virtual study using AI technology is evaluating speech disorders related to Parkinson's disease, aiming to improve assessment and treatment options. The study aims to provide insights into standardization, earlier diagnoses, and tracking discrete changes to guide interventions.
Researchers developed an AI-powered method to detect Parkinson's disease from retinal images, identifying smaller blood vessels as key features. The approach is less costly and more accessible than traditional brain imaging techniques.
SpeechVive Inc. offers free remote calibration software and training to improve speech volume and clarity in people with Parkinson's disease, bridging the gap for rural patients during COVID-19.
Researchers have developed a new technique for isolating parvalbumin-expressing neurons, which are linked to Parkinson's disease symptoms. The method uses Cre-specific nuclear anchored independent labeling and has been shown to detect changes in oxygen-sensing genes in diseased neurons.
Researchers used machine learning to analyze mitochondrial interaction networks and identified specific patterns associated with Parkinson's disease. These patterns were correlated with clinical scores and allowed for accurate diagnosis of PD patients.
A new study reveals that patients with Parkinson's disease may have an undetected rare neurodegenerative disorder called NIID. Symptoms of NIID include dementia and poor balance. Researchers found NIID-causing mutations in those diagnosed with PD, suggesting a link between the two conditions.
A new study published in the journal Brain found that patients with Parkinson's disease who experience tremor symptoms do not benefit from dopaminergic medication on their learning abilities. In contrast, patients without tremor show improvement in reward learning and faster deterioration of cognitive abilities.
A new brain imaging technology, BrainPhys, has been developed to support optimal neuronal function and viability in live imaging experiments. This breakthrough could lead to better personalised medicine for brain disorders such as Parkinson's, brain cancer, and childhood dementia.
Research reveals basal ganglia neurons primarily use firing rate changes to control voluntary movements, with synchronized activity having a minor role in healthy conditions. Parkinson's disease symptoms may be improved by targeting abnormally increased correlated activity in the basal ganglia.
A double-blind clinical trial investigates the effectiveness of ondansetron, a cancer anti-sickness drug, in alleviating hallucinations in people with Parkinson's. The study aims to find new treatments for this challenging symptom, which affects 75% of UK Parkinson's patients.
Researchers explore potential link between COVID-19 and Parkinson's disease, citing three case studies with improved symptoms after treatment. The study suggests that severe inflammation, blood clots, and neurotropic effects of SARS-CoV-2 may contribute to Parkinson's onset.
Research led by Swansea University discovered that ghrelin blocks brain cell formation and is linked to Parkinson's dementia. The study found the UAG form of ghrelin reduces nerve cell formation and impairs memory.
Researchers have developed a simple skin test that can accurately diagnose Parkinson's disease by detecting clumping of the protein alpha-synuclein. The assay was tested on 50 skin samples from patients with Parkinson's disease, achieving high sensitivity and specificity rates, promising an earlier diagnosis and better clinical trials.
Research by Sahar El Aidy and her team from the University of Groningen found that gut bacteria can deaminate levodopa, a main treatment for Parkinson's disease, into DHPPA, reducing gut motility. This metabolite may worsen constipation in patients with Parkinson's disease.
A novel study finds key brain cell type changes involving lipids and inflammation in Parkinson's disease. The research suggests that microglia are overloaded with lipids, while astrocytes lose lipid content, leading to neuroinflammation and disease progression.
Researchers discovered markers of Alzheimer's, Parkinson's and motor neurone disease in the brains of young Mexico City residents exposed to dirty air, linked to particulate pollution. Tiny nanoparticles were also found, which can cause inflammation and oxidative stress.
A Cleveland Clinic researcher has been awarded a grant to identify biomarkers for predicting dementia in patients with Parkinson's disease. The five-year project aims to develop a predictive model using imaging, blood, and genetics data to identify individuals at risk of developing dementia as their disease progresses.