Articles tagged with Brain Tissue
A study published in the journal Development reveals that cells at the head-trunk junction communicate not only about tissue type but also location, ensuring proper alignment. The findings have important implications for treating congenital defects like Spina Bifida and Chiari malformations.
Researchers identified six hub regions as crucial for cognitive function and found that damage to these areas caused widespread cognitive impairments. In contrast, lesions to other locations resulted in significantly less impairment. This study's findings may improve diagnosis and prognosis for brain injury patients.
A new class of compounds has been shown to protect brain cells from damage caused by blast-mediated TBI. The compounds, called P7C3 series, block axon damage and preserve normal brain function, even when treatment is delayed until 24-36 hours after injury.
Researchers studied white matter damage and cognitive impairments in patients with traumatic axonal injuries. The study found that diffusion tensor imaging (DTI) can detect early white matter compromise and associate it with functional outcomes.
Damage to the prefrontal lobe is often overlooked but critical for socialization, emotional control and real-life decisions. Studies have shown that distinct areas of the frontal lobes are essential for complex human skills and behavior.
Researchers at Yerkes National Primate Research Center discovered that the amygdala has an inhibitory effect on stress hormones during early development, contrary to adult responses. Monkeys with neonatal amygdala damage show increased cortisol levels and elevated CRF, yet exhibit reduced fear and aggression.
Researchers developed a technique using high-frequency pulsed electric fields to open the blood-brain-barrier, allowing effective treatment of brain cancer and neurological disorders. The technology, called VEIN pulses, can be applied without causing muscle contractions, enabling potential treatments under conscious sedation.
The Tufts team created a modular design that replicated fundamental features relevant to the brain's tissue-level physiological functions. The model exhibits biochemical and electrophysiological responses, offering new options for studying brain function, disease, and trauma, and treatment.
Researchers have successfully created functional 3D brain-like tissue that exhibits grey-white matter compartmentalization and can survive in the lab for over two months. The tissue displays physical properties similar to rodent brain tissue, enabling scientists to study traumatic brain injury in real-time.
Researchers have created protocols to clear entire organs and bodies, enabling visualization of long-range cellular connections and fine-grained structures. This breakthrough paves the way for better understanding of brain-body interactions, accurate clinical diagnoses, and new therapies.
Researchers tested mechanical tissue resuscitation by applying negative pressure to induce localized TBI in swine, showing a significantly smaller area of brain contusion and reduced bleeding. The procedure appeared safe without seizures or brain deformation, with all animals surviving after five days of vacuum application.
A new study indicates that depression is a true risk factor for dementia and that targeting depression may help prevent cognitive decline. People with mild cognitive impairment were more likely to have higher levels of depression symptoms before diagnosis.
A recent study by UTSA researchers reveals that the shock wave from explosive blasts can cause significant eye damage, leading to partial or total blindness. The optic nerve is particularly vulnerable to injury, even at low pressures, and may be a contributing factor to visual deficits associated with traumatic brain injuries.
New technologies solve bottlenecks in CLARITY, a technique for peering into the brain, making it easier to understand brain wiring and probe brain diseases. The advancements enable faster data collection and reduce risks associated with imaging valuable clinical samples.
A new method developed by Johns Hopkins researchers uses MRI scans to measure damage to the blood-brain barrier, allowing for more precise administration of intravenous tPA. The technique shows promise in predicting which stroke patients will benefit from treatment and which may suffer bleeding complications.
The Autism BrainNet consortium will collect, store and distribute brain tissue resources to understand the neurobiology and genetics of autism. Researchers have made important discoveries using donated brain tissue, showing structural differences in autistic brains and changes in gene expression.
A USF study found that compromised blood-brain barrier integrity in cerebral areas distant from initial ischemic insult can lead to chronic post-stroke deficits. Restoring endothelial and/or astrocytic integrity towards BBB repair is proposed as a potential therapeutic strategy.
Researchers at MIT have developed a new way to image a reporter gene that turns on or off to signal events in the body using MRI. This approach allows scientists to determine when and where the gene is turned on, providing insights into brain function and memory formation.
A clinical study led by Heidelberg University Hospital's Neurology and Neurosurgery found that hemicraniectomy significantly improves survival rates in elderly patients after a major stroke. The procedure reduces mortality from 70% to 33% but also results in nearly 30% of patients being very severely disabled.
Researchers found that blocking a specific immune cell mediator can greatly reduce brain damage after a stroke. The study showed that treating mice with a compound that blocks IL-21 significantly reduced stroke damage and improved outcomes.
Research from Karolinska Institutet reveals lower levels of resolution-regulating molecules in Alzheimer's patients' brains and cerebrospinal fluid, correlating with reduced cognitive function. The study suggests stimulating inflammation resolution may prevent neuronal death and improve memory functions.
Scientists at the University of Cambridge discovered that implant stiffness is a major cause of foreign body reactions. The team found that stiff materials trigger inflammation and cell shape changes in brain cells, leading to encapsulation with scar tissue.
LA BioMed researchers have reported a promising new therapy for Sanfilippo B syndrome, reducing brain damage and reversing heparan sulfate storage. The experimental treatment, NAGLU-IGF2, is taken up by neurons in the disease model, providing hope for patients with no available therapies.
Researchers at Medical College of Georgia are investigating the potential of brilliant blue G to treat traumatic brain injuries. The dye may temporarily block an immune response that leads to swelling, which can cause damage to brain tissue.
A study by American Society of Nephrology reveals domoic acid, a neurotoxin found in seafood, can harm kidneys even at levels considered safe for consumption. The toxin damages kidneys at concentrations 100 times lower than what causes neurological effects, raising concerns about potential kidney failure and dialysis.
Researchers developed a method using Raman spectroscopy to distinguish normal brain tissue from brain tumor tissue, achieving up to 99.5% accuracy in distinguishing between the two. The technique has the potential to improve outcomes for patients undergoing surgery to remove glioblastoma multiforme (GBM), a deadly type of brain tumor.
Researchers develop 'Swiss-Army-Knife' molecule to capture RNA from individual cells in their natural tissue environment. This non-invasive method allows for the analysis of how cell-to-cell chemical connections influence gene expression and protein production.
A new study from Uppsala University reveals that one night of sleep deprivation can increase morning blood concentrations of NSE and S-100B in healthy young men. These molecules are typically found in the brain and may indicate a loss of brain tissue. The findings suggest that good sleep is crucial for maintaining brain health.
The NIH has selected eight projects to study the long-term effects of repeated head injuries and develop more accurate concussion diagnoses. The partnership between the NIH and the NFL aims to reduce the risk of chronic traumatic encephalopathy (CTE) in athletes and military personnel.
Researchers at Stanford University have observed a cellular response to concussions in mice, revealing how individual cells react to the injury. The study suggests a possible therapeutic approach by using natural antioxidant molecules like glutathione to prevent brain damage.
A newly developed mouse trauma model reveals that the brain's protective coverings feel the brunt of even mild traumatic brain injuries. Researchers discovered a similar immune response in patients with mild head injury, suggesting a new potential treatment approach.
A new UK study published in Free Radical Biology and Medicine found that a diet low in vitamin D causes free radical damage to the brain, leading to decreased cognitive performance. The researchers also discovered that vitamin D deficiency is linked to Alzheimer's disease, certain cancers, and heart disease.
A study published in Neural Regeneration Research found that dl-3n-butylphthalide improved motor and sensory functions after diffuse brain injury. The compound also increased vascular density and cerebral blood flow, suggesting potential therapeutic benefits for microcirculation disorders.
Researchers found that disabling a circadian clock gene blocks the brain's antioxidant surge, allowing free radicals to cause more damage. This can lead to neurodegeneration and age-related brain cell injury, similar to Alzheimer's disease.
Researchers found chronic PTSD patients have gray matter structural damage in the prefrontal lobe, occipital lobe, and parietal lobe. Improved PTSD symptoms are associated with reduced but not recovered gray matter structural damage.
A new study from the University of Southern California has found that a genetic mutation associated with Alzheimer's disease can double the rate of brain tissue loss. This means that individuals carrying this mutation may experience symptoms earlier than expected, highlighting the need for targeted clinical studies and treatments.
Washington University engineers are studying how stiff or soft brain tissue is using a non-invasive technique. They're creating a model of brain tissue inside a bowl of Jello, which helps them understand how direction affects wave speed and stiffness.
A University of Iowa study documents how schizophrenia impacts brain tissue and the effects of anti-psychotic drugs on those with relapses, revealing that medication can lead to lifelong brain damage, while longer psychosis periods are toxic to the brain.
Researchers have developed a new imaging technology, SRS microscopy, that allows surgeons to distinguish between brain tissue and tumors at a microscopic level. This technique can guide surgeons in the operating room and potentially improve surgical outcomes for patients with glioblastoma multiforme.
Researchers have developed a new laser-based technology that can distinguish between cancerous and healthy brain tissue in real-time during surgery. This could lead to better outcomes and longer survival rates for patients with glioblastoma multiforme, the most deadly type of brain tumor.
A Penn study found that lamin-A, a protective protein in the nucleus, plays a key role in regulating stem cell differentiation and tissue stiffness. The research revealed a correlation between lamin-A levels and elasticity in various tissues.
Researchers developed a test to measure the ability to recognize and name famous people, finding that those with early onset dementia performed significantly worse on the test. The study also found correlations between brain tissue loss and difficulty in recalling names or faces.
Scientists from EPFL's Blue Brain Project and the Allen Institute join forces to simulate brain wave behavior using a detailed computer model. The simulation reveals similarities between modeled brain activity and measured EEG signals in rodents, offering insights into the neural circuitry behind brain waves.
Researchers at RIKEN have developed a new sugar and water-based solution called SeeDB that turns tissues transparent in just three days without disrupting their shape or chemical nature. This technique enables the visualization of neuronal circuitry inside a mouse brain, revealing detailed wiring patterns and single-fiber resolution.
Researchers at Tel Aviv University developed a peptide called NAP that protects and restores microtubule function in brain cells. In animal models with microtubule damage, NAP maintained or revived protein transport, ameliorating neurodegeneration symptoms.
A study of 4,296 people found that those with both conditions had smaller brain tissue volumes than those with neither. The study suggests that people with both migraine and depression may require different treatment strategies.
Researchers found significant microvascular injury in the uninjured side of the brain days after a stroke, indicating compromised blood-brain barrier integrity. This damage may lead to serious complications and is closely related to autophagy and neuronal swelling.
Researchers found that parts of the prefrontal cortex take over when the hippocampus, a key learning and memory center, is disabled. The breakthrough discovery could potentially help develop new treatments for Alzheimer's disease, stroke, and other conditions involving brain damage.
The Autism BrainNet network will acquire, process, store, and distribute brain tissue resources to accelerate understanding of the biological basis of autism. The network aims to broaden the reach of existing brain donation programs, expanding access to research for scientists and families affected by autism.
Researchers analyzed 1,647 brain tissue samples to identify molecular networks disrupted in Alzheimer's disease, highlighting the crucial role of TYROBP in immune system dysfunction. This study provides a new framework for understanding Alzheimer's mechanisms and developing potential therapies.
Scientists identify mitofusin 2 as key player linking mitochondrial quality control to Parkinson's disease and heart failure. The discovery may lead to new genetic forms of Parkinson's disease diagnosis and improved treatment options.
A team of neuroscientists studied the case of EP, a man with radical memory loss due to viral encephalitis. Unlike HM, who retained some residual tissue, EP's brain damage resulted in total destruction of specific memory-linked structures, rendering him unable to learn new information.
A new study finds that aerobic exercise benefits brain white matter integrity, even in individuals with heavy alcohol consumption. Regular exercise appears to counteract negative neural changes associated with aging and disease. The study suggests that exercise may prevent or repair alcohol-related neurological damage.
Researchers developed ultrathin, flexible optoelectronic devices, including LEDs the size of individual neurons, to illuminate brain mysteries. These devices enable precise control and direct interaction with brain tissue, opening up new ways for neuroscientists to study complex behaviors and neural circuits.
Researchers have developed a new method called CLARITY that allows for the analysis of brain tissue in its entirety, preserving its 3D structure and integrity. This breakthrough method enables scientists to study the brain's finer workings, including cells and molecules, without losing larger-scale circuit perspective.
Researchers at Stanford University have developed a process called CLARITY that renders mouse brains transparent, enabling 3D imaging and molecular analysis. This breakthrough technology allows scientists to study the brain's complex structures without sectioning or damaging the tissue.
A team of scientists identified a novel mechanism by which CD4 T cells expressing NKG2C can target brain cells in Multiple Sclerosis patients. This discovery could lead to improved treatments aiming to decrease disease progression and symptoms, without the risk of potentially lethal infections.
Researchers at Tufts University School of Medicine found that modifying astrocyte signals can limit the spread of damage after an ischemic brain stroke. By regulating neurotransmitter pathways, astrocytes play a critical role in the spread of damage following stroke.
A UCLA-led study found that clot-removal devices do not improve recovery from clot-caused strokes. However, a new generation of devices shows better results and may offer improved outcomes.
Researchers at the University of Oxford have identified a natural biological mechanism that allows brain cells to survive during a stroke, enabling the development of potential neuroprotective drugs. The 'endogenous neuroprotection' discovered in rats has shown to increase cell survival by stimulating production of hamartin protein.