Articles tagged with Brain Tissue
Researchers found that a longer, more intense period of rehabilitation boosts brain recovery after injury, with rats showing significant restructuring of the brain and dramatic functional recovery. The study highlights the critical role of the basal forebrain cholinergic system in rehabilitation.
Research found that damage to brain connections can impact aphasia severity, with some patients having more severe symptoms despite similar stroke volumes. Investigators used MRI imaging to map neural connections and identified patterns associated with language difficulties.
Researchers found a disordered mesh-like scaffold in Alzheimer's-affected cells, which surrounds the nucleus and controls brain cell function. This discovery may lead to new treatments for the earliest biological events leading to Alzheimer's disease.
A new study found increased buildup of amyloid plaques in people who had previously sustained a traumatic brain injury. The areas affected overlapped those seen in Alzheimer's disease, but other areas were involved.
Studies of stroke victims with spelling impairments reveal distinct brain regions responsible for long-term and working memory, offering new insights into the mechanics of language and memory. Damage to these regions can lead to different symptoms, including difficulty guessing or assembling words.
Caltech biologists have developed a vector capable of noninvasive delivery of genetic cargo to adult mice brains, holding promise for novel therapeutics. The approach overcomes the blood-brain barrier problem, allowing for efficient gene delivery and targeting specific brain cells.
Lab-grown neural networks can replace damaged axon tracks in patients with severe head injuries, strokes, or neurodegenerative diseases. The micro-TENNS, made of mature cerebral cortical neurons and long axonal projections, integrate into existing brain structures and reconstitute missing pathways.
Researchers found a significant association between poor sleep quality and severe arteriosclerosis in the brain, as well as increased oxygen-starved tissue, among elderly individuals. Sleep fragmentation was linked to higher odds of stroke and cognitive impairment, independent of other cardiovascular risk factors.
Researchers aim to understand how blast shockwaves injure brain tissue, despite symptoms often going undetected by scans. The project may lead to new clinical strategies for treating traumatic brain injuries suffered in battle.
Cardiff University scientists have engineered a new dual 'homing' agent that inactivates the complement system in the brain, reducing inflammation and aiding recovery. The treatment has shown promise in mice with traumatic brain injuries, potentially leading to life-changing benefits for humans.
The study found that stromal cells, specialized fibers, and T helper 17 cells collaborate to form tertiary lymphoid tissues (TLTs) in the brain of MS patients. This discovery may lead to potential treatment options, such as targeted Th17 blockers, by understanding how TLTs are formed.
A recent study by King's College London and Sapienza University of Rome found that frequent use of high potency 'skunk-like' cannabis can cause damage to the white matter in the brain. White matter consists of large bundles of nerve cell projections, enabling communication between different regions of the brain.
Scientists have found definitive evidence that ancient brain tissue can fossilize. A team of researchers has discovered seven fossils of the extinct arthropod species Fuxianhuia protensa, which contain preserved brains. The brains were preserved as flattened carbon films and demonstrate a density similar to modern crustacean brains.
Researchers found that growth and differentiation factor 10 (GDF10) is a crucial protein in the brain's repair mechanisms following stroke. Studies suggest that increasing GDF10 levels can lead to faster recovery after stroke.
Researchers have identified growth differentiation factor 10 (GDF10) as a molecule that promotes brain cell formation of new connections after a stroke. The discovery may lead to the development of a treatment to enhance brain repair and functional recovery in people who have suffered a stroke.
Researchers have developed a new noninvasive light-based imaging technology that can see inside the living brain, providing a tool to study how diseases change brain tissue over time. The method doubles the image depth range, enabling examination of acute and chronic morphological or functional vascular changes in the deep brain.
UK cage fighters are engaging in potentially hazardous behaviors to shed pounds quickly, with two-thirds using 'water loading' and one-third taking diuretics. The researchers warn of increased risk of brain damage from head blows sustained during loss of consciousness.
Researchers at Lund University have developed implantable electrodes that capture signals from single neurons without causing brain tissue damage. The electrodes, called 3-D electrodes, are extremely soft and flexible, enabling stable recordings over long periods.
Inserm researchers have developed a noninvasive brain imaging method using MRI that provides the same information as physical palpation, allowing for early diagnosis of brain tumors or Alzheimer's disease. The technique uses noise correlation to detect natural shear waves in the brain, enabling building images of the brain's elasticity.
Researchers found changes in brain representation for affected muscles due to nerve damage caused by leprosy, indicating evidence of brain plasticity. The study may lead to new treatment strategies for individuals suffering from this ancient disease.
Researchers at Johns Hopkins found that fluoxetine prolongs physical therapy's effectiveness for stroke victims, especially those too ill to start intensive rehabilitation. Early intervention with fluoxetine improves motor function recovery in mice, suggesting potential benefits for human stroke patients.
Researchers have identified a new type of prion causing Multiple System Atrophy (MSA), a neurodegenerative disorder with similarities to Parkinson's disease. The discovery raises concerns about treatments and research involving contact with brain tissue from MSA patients.
EPFL scientists have developed a new method called cryofixation to preserve the brain's true structure, overcoming distortion caused by traditional fixation methods. This breakthrough allows for unprecedented detail in brain imaging and has significant implications for understanding brain anatomy and function.
Researchers at Toyohashi University of Technology developed a methodology to temporarily enhance the stiffness of flexible microneedles, allowing them to penetrate biological tissues without causing damage. The dissolvable material expands opportunities for flexible microneedles used for brain penetrations.
Researchers at ARC Centre of Excellence for Electromaterials Science develop a 6-layered structure incorporating neural cells, mimicking brain tissue. The breakthrough enables important insights into brain function and provides an experimental test bed for new drugs and electroceuticals.
Researchers used OCT to study brain vascular imaging during real-time experimental stroke, revealing high-resolution images of in vivo vascular networks and biologically initiated rescue mechanisms. This could provide guidance for clinicians treating stroke patients.
Researchers discovered differences in brain inflammation between people with Down syndrome and Alzheimer's disease alone. The study found higher levels of inflammatory markers M2b in Down syndrome-related Alzheimer's, highlighting the need for tailored treatments.
Researchers developed a method for fabricating nano-scale electronic scaffolds that can be injected via syringe, monitoring neural activity, stimulating tissues and promoting neuron regeneration. The technology has the potential to revolutionize the interface between electronics and biology.
Researchers have identified the epicenter of the brain's predictive ability in limbic tissue, which also plays a key role in emotions. This discovery challenges traditional theories on emotion and suggests that the brain is wired to ask questions about past experiences rather than react to external stimuli.
A study published in Scientific Reports reveals a direct link between amyloid-beta protein and memory loss in healthy brains, even before physical signs of degeneration appear. The research found that administering amyloid-beta to pond snails caused significant impaired memories, despite no visible brain damage.
A new study published in Radiology found that degeneration of white matter in the brain may be an early marker of specific types of Alzheimer's disease. White matter damage was found to be more severe and widespread in patients with atypical AD forms, suggesting a potential biomarker for early diagnosis.
A new study finds that carbon monoxide can help accelerate the natural process of clearing heme, a toxic component of red blood cells, and reduce neuronal injury in mice with subarachnoid hemorrhage. The study suggests that low amounts of CO may be used to treat patients with ruptured cerebral aneurysms.
Researchers at UC Berkeley discover a small-molecule drug that perks up old stem cells in the brains and muscles of mice, potentially leading to multi-tissue rejuvenation. The drug inhibits TGF-beta1, a growth factor that depresses stem cell activity with age.
A recent UCI study found the brain adapts quickly to vision loss in low-light conditions, contradicting earlier research. This discovery opens the door to novel treatments and rehabilitation techniques that could help restore vision.
Researchers found that writing and speaking are supported by different parts of the brain, revealing a high-level distinction between word construction. This understanding could help educators teach children to read and write more effectively and improve therapies for those suffering from aphasia.
The study found that a key enzyme produced by fat tissue regulates brain function and energy levels, suggesting an optimal amount of body fat for maximizing health and longevity. Mice with low NAMPT in fat tissue had impaired energy levels and physical activity, while those with high NAMPT exhibited increased physical activity.
Researchers at the University of Virginia Health System identified a surprising contributor to Rett syndrome: immune cells bearing a mutated MeCP2 gene. These macrophages amplify disease progression by failing to maintain tissue homeostasis, highlighting the immune system as a promising therapeutic target.
Vitamin E deficiency may lead to neurological damage by interrupting the supply of essential nutrients and robbing the brain of necessary building blocks. The study found that zebrafish fed a vitamin E deficient diet had lower levels of DHA-PC, a critical component of brain cells.
A recent study published in The Lancet Neurology has found that a clot-busting drug called alteplase can benefit stroke patients without increasing the risk of bleeding. Researchers analyzed over 3,000 people and discovered that patients with early tissue damage from strokes still benefit from receiving the drug.
Researchers at Washington University in St. Louis have developed a high-speed imaging method that enables the visualization of blood flow, blood oxygenation, and oxygen metabolism in living mouse brains. The new technique, called photoacoustic microscopy, achieves high-resolution images with capillary-level resolution at a rate of 100 ...
Brown fat tissue communicates with the brain through sensory nerves, possibly sharing information that is important for fighting human obesity. The study found that when brown fat tissue was activated with a drug, it talked back to the brain by activating sensory nerves.
Researchers identified patients who donated their body to medical research and had undergone multiple MRI exams. Brain tissue samples showed measurable quantities of gadolinium deposited in the brain tissue of exposed patients, but no specific symptoms or diseases were linked to this finding.
Researchers at MIT have developed a method to stimulate brain tissue using external magnetic fields and injected magnetic nanoparticles. The approach can provide an implant-free means of providing brain stimulation and mapping, potentially treating neurological diseases such as Parkinson's disease.
Research at Tufts University reveals that bioelectrical signals regulate embryonic brain development and can even repair genetic defects. The study found that manipulating these signals can induce the growth of new brain tissue in locations where it would not normally grow, offering a promising approach for regenerative medicine.
A study found that retigabine, an epilepsy drug, protected the brain against ischemic stroke damage in mouse models. The medication acted directly on nerve cells to minimize damage, showing protective effects up to five days after the stroke.
A recent study found that methamphetamine chronically used by adolescents causes greater brain damage and alterations in the 'executive function' area compared to adults. The research, conducted on South Korean participants, revealed significant changes in gray matter thickness and white matter integrity in adolescent users.
Researchers discovered that organs have varying DNA repair capabilities, with the heart exhibiting the highest capacity, followed by other tissues. The brain showed no ability to repair damaged DNA, leading scientists to suggest that this may be linked to memory loss and dementia.
Researchers found that retigabine, an approved anti-epilepsy drug, preserved brain tissue in a mouse model of stroke and prevented loss of balance control. Histological analysis showed significantly reduced damage to the tissue after the stroke, up to five days after.
Researchers found that xanthohumol, a compound in hops, can protect neuronal cells from oxidative damage, potentially slowing the development of brain disorders like Alzheimer's and Parkinson's diseases. The study suggests xanthohumol could be a promising candidate for fighting neurodegenerative conditions.
Scientists used a modified form of superabsorbent chemical to expand brain structures, enabling the use of common microscopes for high-resolution imaging. This technique, called expansion microscopy, has potential to study diseases in human brain tissue and answer various scientific questions.
Researchers at MIT have developed a method to enlarge tissue samples by embedding them in an expandable polymer gel, making it easier to image large biological specimens with nanoscale resolution. This technique allows for the imaging of brain cells and mapping how they connect across large regions.
Researchers found that nanowires shorter than 2 micrometres cause no harm to the brain tissue, while longer ones lead to inflammation and neurotoxic effects. The study suggests developing electrodes with smaller and more flexible nanowire coatings for safer neural implants.
A new study finds that gray matter loss in the brain is a precursor to psychosis, with increased inflammation accelerating this process. Researchers analyzed brain scans of young adults at clinical high risk for psychosis and healthy controls, revealing a significant correlation between proinflammatory cytokines and gray matter thinning.
Researchers create e-Dura implant to reduce inflammation and rejection, allowing long-term application on spinal cord. The flexible device closely mimics living tissue, enabling simultaneous electrical stimulation and pharmacological delivery.
Scientists used genetic analysis and mathematical modeling to discover millimeter-sized abnormalities in brain tissue that may cause unpredictable seizures. These 'microlesions' could lead to spontaneous electrical currents causing epilepsy.
A new study published in the American Heart Association journal Stroke found that CT scans taken within 24 hours of a mild, non-disabling stroke can identify patterns of damage associated with different levels of risk for a subsequent stroke. The analysis revealed that patients with certain types of brain damage were at a higher risk o...
A new compound, ethane-beta-sultam, has been developed to reduce brain cell loss and inflammation caused by binge drinking. This breakthrough could lead to a treatment for Alzheimer's and other neurological diseases that damage the brain.
A team of researchers discovered a mechanism linked to brain damage after stroke and found that removing it reduces damage. They identified an ion channel called TRPM2, which opens in the presence of reactive oxygen species, causing neuronal cell damage.
A new study by Penn and Dresden researchers has identified the protein Del-1 as a key player in blocking multiple sclerosis relapses in mice. The protein, also found to prevent inflammation and bone loss in gum disease, shows promise as a potential therapeutic target for treating neurodegenerative diseases.
Researchers at RIKEN Quantitative Biology Center in Japan have developed a method to image tissues and whole organisms with high precision. They discovered that aminoalcohols included in the CUBIC reagent can elute heme from hemoglobin, making organs dramatically more transparent.