Articles tagged with Parkinsons Disease
Mass General Brigham researchers have made key improvements to Parkinson's disease cell therapies by using regulatory T cells to supplement neuronal cell therapy. The study shows that co-transplanting regulatory T cells with dopaminergic neurons increases survival and improves behavior recovery in rodent models.
EPFL researchers have created a novel biosensor, ImmunoSEIRA, to detect misfolded protein biomarkers linked to Parkinson's and Alzheimer's diseases. The sensor employs AI-powered neural networks for disease stage quantification and features gold nanorod arrays with antibodies for specific protein detection.
A new study found critical gaps and disparities in access to Parkinson's disease care among Medicare beneficiaries. Only 9% of people with Parkinson's disease receive care from movement disorder specialists.
Scientists at Rockefeller University identified distinct RNA changes in the brains of deceased patients with Parkinson's disease, which were also found in their living counterparts' blood. These changes are associated with various clinical symptoms, such as dementia and levodopa-induced dyskinesia.
Research leaders collaborate with organizations and regulators to develop digital tools for Parkinson's clinical trials. The Digital Drug Development Tools initiative accelerates the regulatory endorsement of these tools, enabling more objective and patient-centered measures.
A new study describes an engineered approach that makes protein aggregates amenable to spatial manipulations in both budding yeast and human cells. This system allows for the export of protein aggregates from cells, potentially protecting mother cells from toxicity and contributing to a better understanding of neurodegenerative diseases.
A team of researchers from WEHI has solved a long-standing mystery about how the protein Optineurin recognises and removes damaged mitochondria. The discovery provides new insights into the Parkinson's disease pathway and could potentially lead to new treatments for the condition.
A new evidence-based framework proposes integrating palliative care into neurology teams to address the total pain of neurologic illness, including psychological, social, and spiritual distress. This approach aims to screen for and prevent suffering by incorporating a palliative care model from day one.
A recent Finnish register-based study found no association between inhaled beta-2 agonist use and reduced risk of Parkinson's disease. Accumulation of alpha-synuclein protein is a key factor in the disease. The study controlled for age, sex, and comorbidities to rule out confounding factors.
Scientists at the Stowers Institute for Medical Research have uncovered the structure of the first step in amyloid formation for Huntington's disease. The team proposes a new method for treating not only Huntington's but potentially dozens of other amyloid-associated diseases by preventing the initial, rate-limiting step from occurring.
Researchers found that reduced brain wave strength is linked to cognitive dysfunction in PD patients, suggesting EEG as a diagnostic tool. The study aims to improve diagnosis and develop targeted therapies for cognitive symptoms.
A powerful new stem cell technique has enabled large-scale studies of the relationship between human genetics and biology, accelerating research and potential personalized treatments.
A new study found that combining conventional speech therapy with singing can improve voice problems in individuals with Parkinson's disease. The tele-rehabilitation program showed significant improvements in voice intensity and Voice Handicap Index scores, suggesting a more effective treatment approach.
A new observational study published in BMJ Open found that long Covid can have a devastating effect on daily lives, with fatigue impacting social activities, work, and relationships. The study's findings suggest that long Covid can leave people with worse fatigue and quality of life than some cancers.
Researchers used mouse genetics to determine if brain or spinal cord causes dystonia, finding that spinal cord is responsible. Spinal cord dysfunction leads to signs of dystonia similar to those seen in humans, providing a new target for treatment.
Researchers found that progesterone can protect nerve cells from dying in people with Parkinson's disease. The study suggests that a balanced diet and steroid hormone-based therapeutic approaches could help slow down or stop the progression of neurodegenerative diseases.
The study used transcranial photobiomodulation (tPBM) to stimulate the prefrontal cortex, a region involved in cognitive function. The results showed that tPBM modulated hemodynamic and metabolic activities in a wavelength- and site-specific manner.
A recent study has identified 53 pesticides linked to an increased risk of Parkinson's disease, with exposure to multiple chemicals combined being more toxic than any single pesticide. The researchers also found that specific pesticides can directly harm dopamine neurons, a key finding for the development of new therapeutic strategies.
Research shows that bursts of electrical stimulation can modify activity in the subthalamic nucleus, influencing human behavior and potentially treating neurological disorders like Parkinson's disease. The study suggests a new approach to restore healthy brain function in people with these conditions.
Researchers at Brown University have developed a new imaging technique to track changes in blood vessels in the brains of mice, which could lead to early detection of neurodegenerative diseases. The method uses advanced imaging techniques and AI algorithms to identify biomarkers that may predict disease onset.
Scientists have discovered that increasing expression of the RIT2 gene reduces alpha-synuclein accumulation and protects neurons from cell death in Parkinson's disease. This breakthrough offers hope for developing a simpler intervention to reduce risk of the disease.
Researchers at UCLA and Harvard have identified 10 pesticides toxic to dopaminergic neurons, which play a key role in voluntary movement. The study used California's pesticide use database and found that co-exposure of certain pesticides increased toxicity, with combinations involving herbicides like trifluralin producing the most harm.
A new study found that female participants who exercised the most had a 25% lower rate of developing Parkinson's disease compared to those who exercised the least. The association remained even after adjusting for factors such as diet and medical conditions.
The development of SimulScan technology will help clinicians diagnose disordered swallowing more accurately. The researchers aim to investigate how swallowing behaviors change across the lifespan to create personalized treatments for patients with dysphagia.
Researchers at Purdue University have developed a technique to identify Parkinson's disease-linked proteins and their downstream pathways in urine samples using EVtrap technology. This noninvasive method may lead to widespread early diagnosis and intervention for neurodegenerative diseases, including cancer.
A study of 340,000 service members reveals that exposure to trichloroethylene in water may increase the risk of Parkinson disease. Veterans stationed at Marine Corps Base Camp Lejeune during 1975-1985 had a 70% higher risk of developing the disease.
A large-scale study published in JAMA Neurology has demonstrated an association between trichloroethylene (TCE) exposure and the development of Parkinson's disease. Researchers compared health data from approximately 160,000 Navy and Marine veterans who served at Camp Lejeune or Camp Pendleton between 1975-1985, where TCE was used for ...
Researchers used AI to analyze speech patterns of patients with Parkinson's disease, finding they spoke in shorter sentences with more verbs and fewer common nouns. The study suggests potential early detection methods for the condition through conversational analysis.
A team of researchers has developed an AI tool called CRANK-MS that uses neural networks to analyze biomarkers in patients' bodily fluids and predict Parkinson's disease onset with an accuracy of up to 96%. The tool may help identify early warning signs for the disease, which can be challenging to diagnose.
Researchers at the University of Minnesota have developed a new diagnostic technique called Nano-QuIC, which significantly improves protein-misfolding detection methods. The method reduces detection times from 14 hours to just four hours and increases sensitivity by a factor of ten.
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.
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.
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 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.
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.
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 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 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.
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.
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.
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.
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 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.
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.
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 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.