Articles tagged with Neuropathology
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
New research reveals that the immune system has a potent weapon against the brain parasite Toxoplasma gondii: an enzyme called caspase-8. This discovery offers new insights into how our bodies control the parasite and may lead to better treatments for patients with compromised immune systems.
Researchers at the University of Illinois discovered that propofol, a common anesthetic agent, can improve cognitive function after surgery in older individuals. Additionally, intranasal insulin was found to mitigate age-related memory impairment by modulating neuroinflammatory mechanisms.
Researchers developed a new tool, Fear Avoidance after Concussion Tool (FACT), to assess fear avoidance behavior following a concussion. The 28-item questionnaire can be completed in five minutes, enabling targeted management for individuals at risk of persisting post-concussion symptoms.
A recent UK study has highlighted the need for equitable investment and adoption of new innovations in brain tumor care. The research team found that genomic testing has expanded rapidly but many services are struggling to keep pace, leading to regional inequalities in access to advanced treatments.
Researchers at UVA School of Medicine found that the breakdown of protective brain structures called perineuronal nets leads to social memory loss in Alzheimer's patients. Preventing the degradation of these nets may lead to new treatments to prevent or delay the disease.
African nations are well-equipped to tackle dementia and brain health with the Africa Task Force on Brain Health. The six-year framework will accelerate preparedness and protect aging citizens.
Scientists found a promising candidate, pleiotrophin, which is essential for brain development and function; restoring it may improve brain circuits in individuals with Down syndrome and other neurological diseases. The study's findings suggest using modified viruses to deliver the protein directly into cells could lead to new treatments.
Researchers at La Jolla Institute for Immunology discovered that ALS is likely caused by an autoimmune reaction triggered by inflammatory CD4+ T cells targeting specific proteins in the nervous system. Anti-inflammatory CD4+ T cells may slow disease progression and prolong survival times.
A study by Columbia University researchers found that soccer heading causes damage to the brain's cerebral cortex, leading to cognitive deficits. The study used a new imaging technique to identify areas most damaged by repeated impacts from heading a soccer ball.
A University of Houston researcher found that recording brain activity while listening to a story can help diagnose primary progressive aphasia, a rare neurodegenerative syndrome. The method was up to 75% effective in classifying the disorder's subtypes using machine-learning algorithms and electroencephalography data.
Researchers discovered elevated TSPO levels in the brain of genetically engineered mouse models and human patients with familial Alzheimer's disease, indicating a potential biomarker for early detection. The study aims to explore how blocking or enhancing TSPO could halt disease progression.
A study found that fine particulate matter air pollution exposure is associated with increased dementia severity and Alzheimer disease neuropathologic changes. Population-based studies are needed to better understand this relationship.
A new study published in Sleep Medicine found that daily sleep patterns have a significant impact on cognitive function. Researchers discovered that individuals with moderate-to-regular sleep patterns performed better in cognitive assessments than those with highly irregular or rigid sleep patterns.
A study found that semaglutide and liraglutide use are associated with a higher risk of nonarteritic anterior ischemic optic neuropathy in older patients with type 2 diabetes. The GLP-1 receptor agonists showed varying levels of risk, with liraglutide posing the greatest threat.
Research reveals a direct connection between diabetic peripheral neuropathy and skeletal health, linking nerve damage to reduced cell signaling. The study shows that diabetic mice with nerve damage had weakened bones due to impaired nerve-bone communication.
Scientists have discovered that microglia play a crucial role in regulating blood flow to the brain, and targeting them may improve blood flow deficits. The study suggests that restoring microglia function could prevent or reverse memory-stealing diseases caused by lack of adequate blood flow.
A study of 34 children found significant differences in basal ganglia volume between those exposed to prenatal Superstorm Sandy and those not exposed. The findings suggest that extreme heat may have amplified the risk of having a differently-sized basal ganglia.
Researchers at University of Virginia Health System discovered that an immune molecule called STING drives the formation of harmful plaques and protein tangles associated with Alzheimer's. Blocking STING protected lab mice from mental decline, suggesting a promising treatment target for neurodegenerative diseases.
A new technique using focused sound waves and microbubbles has shown great promise in treating debilitating brain lesions called cerebral cavernous malformations. The approach has halted the growth of lesions almost entirely, offering a potential paradigm shift in treatment.
Richard Finkel, MD, is named to TIME100 Health for his pioneering work in treating spinal muscular atrophy prenatally with the orally administered drug risdiplam. This breakthrough has shown promising results, with no identifiable features of SMA observed two years after treatment.
A study published in JAMA Neurology found no evidence supporting a diagnosis of the New Brunswick neurological syndrome of unknown cause, highlighting the need for independent clinical evaluations. The data revealed presence of several neurodegenerative and non-neurodegenerative conditions instead
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.
Researchers develop specialized enzymes to selectively increase or decrease specific mutation loads in mitochondria, allowing precise study of disease manifestation. This technology holds promise for treating patients with mitochondrial diseases by reducing mutant mtDNA load.
A cohort study found semaglutide use is associated with a higher risk of nonarteritic anterior ischemic optic neuropathy in people with diabetes. However, the retrospective design limits the study's ability to establish causality, necessitating further research.
A unique case study reveals an unexpected discrepancy between Alzheimer's pathology and cognitive function in a woman with Down syndrome. The study highlights the need to expand inclusion criteria for therapeutic drug trials and uncover genetic or lifestyle factors that contribute to cognitive preservation.
A study at Lund University found that brain trauma triggers Alzheimer's disease through vascular changes, challenging existing paradigms. The research team identified increased aggregation of amyloid-beta and vascular alterations in patients with traumatic brain injury.
Researchers linked genes to hallmark features like tau tangles and amyloid plaques, as well as other less understood brain changes. The study identified a genetic variant in the APH1B gene directly influencing tau tangle formation, and confirmed the APOE gene's role in granulovacuolar degeneration.
Researchers found that individuals with depression who engage in reflexive emotion regulation experience increased suicidal thoughts during daily stressful events. In contrast, adaptive responses to stress were observed when participants used reappraisal strategy.
A third of living former professional football players reported perceived chronic traumatic encephalopathy (CTE) associated with an increased prevalence of suicidality. Men with CTE had cognitive impairment and more health problems compared to those without CTE, highlighting a novel risk factor for suicidality.
Researchers have developed a new diagnostic algorithm using positron emission tomography (PET) to distinguish between Alzheimer's disease and primary tauopathy. The biomarkers enable doctors to identify the presence of a 4-repeat tauopathy with high accuracy, facilitating earlier diagnosis and personalized treatment strategies.
Researchers studied Alzheimer disease blood biomarkers and found a strong association with incident all-cause dementia risk. Biomarker levels increased with age and were linked to dementia starting in midlife.
Researchers from Tokyo Medical and Dental University demonstrate a proof of concept for antisense nucleic acid therapy to prevent the spread of α-synuclein pathologies in synucleinopathies. The treatment, involving antisense oligonucleotides, effectively reduces Lewy pathology-like neuronal inclusion by over 90%.
A recent study found that oleacein increases BDNF expression in human neuronal cells and reduces depressive behavior in mouse models. Gene expression analysis reveals the activation of cell cycle and neurogenesis processes, as well as a decrease in inflammatory response.
Research at the University of Zurich reveals that the first week after birth is a critical period for the development of senses, particularly smell and touch. Olfactory stimuli can induce neural activity across multiple brain regions, including areas responsible for non-olfactory sensory processing.
Researchers have discovered two independent ways genetic variants in HTRA1 increase cardiovascular disease risk, including stroke. The study found that rare and common variants affect protease activity and concentration, respectively.
Researchers created a corticolimbic index tool that categorizes Alzheimer's disease into three subtypes based on brain changes. The study found demographic and clinical differences among sex, age at onset, and rate of cognitive decline.
Researchers from Osaka University found that influenza-associated brain disorders may be caused by the virus entering the brain and producing proteins. Antivirals blocking protein production are unlikely to be effective, but those targeting transcription and translation may offer hope for treatment.
A healthy lifestyle can help maintain cognitive abilities in older adults with common neuropathologies of dementia. The study found that a balanced lifestyle provides cognitive reserve, protecting against cognitive decline.
Researchers found that baseline amyloid burden and brain health are stronger predictors of Alzheimer's progression than age alone. The study also showed that individuals with higher amyloid levels developed dementia two years earlier than those without.
A review in the Journal of Neurochemistry suggests a link between COVID-19 and Alzheimer's disease, with age being the largest contributing factor. Emerging evidence may further support this association, with research assessing influences on AD neuropathology.
A new study published in JAMA Neurology found that over 40% of young contact and collision sport athletes have CTE, a degenerative brain disease caused by repetitive head impacts. The study also highlighted the importance of assessing symptoms and clinical presentation of CTE in living athletes.
Researchers from Tokyo Medical and Dental University discovered a new mechanism that stimulates brain-autonomous neural repair after ischemic stroke by secreting lipids. The mechanism involves PLA2G2E, which increases dihomo-γ-linolenic acid (DGLA) levels, promoting inflammation reduction and neuronal repair.
A secondary analysis of a randomized clinical trial found that exercise can significantly reduce symptoms of chemotherapy-induced peripheral neuropathy (CIPN) in ovarian cancer survivors. Incorporating exercise programs into standard oncology care may improve quality of life for these patients.
A study published in Stroke identified two proteins, R-spondin 3 (RSPO3) and LGR4, that trigger a signaling pathway to reduce inflammation and promote neurite outgrowth in the ischemic brain. This discovery provides new hope for patients with ischemic stroke by targeting RSPO3/LGR4 signaling.
Researchers at UC Davis discovered how oligodendrocyte-lineage cells transfer cell material to neurons in the mouse brain, providing a new mechanism for understanding brain maturation and finding treatments for neurological conditions. This discovery opens new possibilities for treating neurodegenerative diseases like Alzheimer's and P...
Taiyun Chi develops a neural interface with neural recording channel counts over 10 times higher than current technology and creates a noninvasive deep-brain-stimulation system based on temporally interfering electromagnetic waves.
Researchers found that platelet depletion increased amyloid plaque size and neuronal damage in APP-PS1 mice. However, platelets may have a beneficial role in limiting plaque growth and attenuating neuritic dystrophy at advanced stages of Alzheimer's disease.
A recent review strengthens the connection between repetitive head impacts and chronic traumatic encephalopathy (CTE), highlighting a strong dose response relationship. CTE has been diagnosed in over 600 cases, with 97% of confirmed cases showing exposure to RHI, primarily through contact sports.
A new study published in Anaesthesia has found no statistically significant differences in neurodevelopmental outcomes between children exposed to anaesthesia during pregnancy and those not exposed. The study, led by Professor Steffen Rex, comprehensively evaluated over 500 children aged 2-18 years using standardized tools.
Researchers found lower serum TDP-43 levels in patients with C9orf72 repeat expansion or motoneuron disease, distinguishing them from other FTD subtypes. This study suggests TDP-43 as a potential biomarker for diagnosing specific FTD subtypes, enabling patient-specific interventions.
The study used a weakly supervised deep learning algorithm to analyze human brain autopsy tissues and predict the presence or absence of cognitive impairment. The model identified a signal associated with decreasing myelin staining, which was linked to cognitive impairment in the white matter.
A multi-institutional team assessed the diagnostic criteria for canine glioma using the Comparative Brain Tumor Consortium's guidelines. The study found that consensus was achieved for 71 out of 85 cases (84%), with a moderate level of inter-pathologist agreement.
A new study introduces a novel epigenetic predictor, PCBrainAge, that captures aging heterogeneity across multiple brain regions. The tool demonstrates stronger associations with AD dementia and pathologic AD compared to existing age predictors.
Researchers at City University of Hong Kong discovered a new neural mechanism that enables animals to perceive and integrate environmental cues, such as air puffs and sounds, to initiate defensive behavior. This finding has implications for understanding schizophrenia patients' auditory hallucinations.
Researchers found that biomarkers of Alzheimer's disease pathology, such as amyloid-beta and tau proteins, were associated with increased anxiety and apathy in cognitively unimpaired older adults. Higher levels of apathy were also linked to a more rapid cognitive decline.
Researchers discovered that inhibiting the breakdown of a neuroprotective molecule called 2-arachidonoylglycerol (2-AG) in astrocytes promotes recovery from traumatic brain injury. The study suggests that targeting this molecule could lead to the development of new therapies for TBI-induced disease.
A study at the University of Helsinki found that the APOE4 allele may increase cerebral microhaemorrhages and mental fatigue in COVID-19 patients. The risk of developing severe COVID-19 more than doubled in carriers of this allele.
Researchers from Tel Aviv University have identified the biological mechanism causing nerve destruction in ALS, a fatal neurodegenerative disease. They found that TDP-43 protein accumulation in neuromuscular junctions inhibits local protein synthesis and mitochondrial activity, leading to degeneration and death of motor neurons.
The USC Stevens INI is partnering with Vanderbilt University Medical Center and the University of Miami to merge Alzheimer's disease data from over 30 datasets, producing a large-scale, standardized set of clearly defined data. This harmonization will enable large-scale machine learning analysis to better characterize the genetic basis...
Researchers at the University of Helsinki have identified two distinct patterns of alpha-synuclein accumulations in the olfactory bulb, associated with differing disease types of dementia with Lewy bodies. These findings support the classification of the disease into two distinct forms, one progressing to the amygdala and another to th...