Articles tagged with Hippocampal Neurons
Researchers discovered a gene, CREST, crucial for normal brain connections formed in response to sensory experiences. The study revealed that mice lacking the CREST gene develop abnormally in response to calcium ions and experience learning disorders.
A recent study published in Molecular Psychiatry reveals that cell death promotes learning and growth in the brain. The research found that rats with lower levels of cell death performed better in spatial learning tasks, suggesting a positive correlation between cell death and cognitive function.
Researchers found that anti-inflammatory drugs can help new neurons form in the hippocampus, a memory center damaged by radiation. The study suggests that these drugs could be used to prevent long-term brain damage after radiation therapy.
Scientists have discovered that touch input plays a crucial role in guiding the normal maturation of the pain sensitivity system during development, contradicting the long-held assumption that it is an innate process. This finding has important implications for understanding chronic pain and may lead to new therapeutic methods.
Researchers found that FGF-2 supplementation limits existing neuron loss while promoting new neuron generation in the hippocampal dentate gyrus following traumatic brain injury. This approach may offer a rational strategy for treating brain injury by enhancing neurogenesis and reducing neurodegeneration.
Researchers found that fibroblast growth factor-2 (FGF-2) boosts new brain cell production and protects existing neurons from degeneration following traumatic brain injury. The study suggests FGF-2 supplementation may improve TBI outcomes.
A study found that exercise increases BDNF and neurogenesis in mice, but high levels of these chemicals don't necessarily improve learning. In fact, high-running mice perform poorly in maze tests, suggesting a potential 'tipping point' where too much exercise becomes detrimental.
Researchers found that antidepressants stimulate new neuron creation, which takes several weeks, and that this process is crucial for clinical response. The study also highlights the importance of specific serotonin receptors in regulating emotions.
Researchers found that brain cells recycle synaptic vesicles rapidly through a 'kiss-and-run' process, allowing for efficient communication. This process enables small nerve terminals to get full mileage from their limited set of vesicles, supporting rapid neurotransmitter release.
In a groundbreaking study, UCSD researchers discovered that the 14-3-3 epsilon protein is crucial for normal brain development and migration of neurons. Defects in this protein lead to severe brain disorders like Miller-Dieker syndrome, characterized by profound mental retardation and early death.
Researchers monitored activity of individual neurons in monkeys' brains as they learned new associations through a computer game. The study identified 'changing cells' whose neural activity paralleled learning, suggesting a gradual recruitment of hippocampal neurons involved in memory formation and long-term storage.
In a study, mice fasted every other day had lower blood glucose and insulin levels than control or calorically restricted groups. Meal-skipping also improved nerve cell resistance to neurotoxin injury, suggesting potential benefits for neurological disorders such as Alzheimer's disease.
Researchers genetically altered a protein to prevent phosphorylation, resulting in mice that could learn but not remember spatial locations. This discovery sheds light on the role of neuronal plasticity in learning and memory.
A new tool called APRA allows for detailed analysis of mRNA molecules in intact cells, revealing key interactions with the Fragile X Mental Retardation Protein (FMRP). The study provides a potential approach to develop new treatments for Fragile X syndrome, a genetic disorder that affects mental development.
A combination of DEET, permethrin, and pyridostigmine bromide may have inadvertently damaged Gulf War soldiers' testes and sperm production, according to a Duke University Medical Center study. The chemicals caused extensive cell degeneration and cell death in rats, leading to severe testicular damage.
Buszaki's research published in Science and Nature reveals the neural code used by brain cells to communicate, including wave-like bursts that shape connections in the newborn brain. This breakthrough has significant implications for understanding how memories are formed and how the brain develops.
Researchers at USF Center for Aging and Brain Repair investigate whether stem cells from human umbilical cord blood can reverse age-related declines in learning and memory. The 5-year study aims to determine the effectiveness of these cells in treating neurodegenerative diseases like Parkinson's and Alzheimer's.
Adult neural stem cells isolated from rats' brains can mature into functioning brain cells, forming normal neuronal structures and connections. The study's findings suggest potential for clinical application in regenerating damaged brain tissue.
A new study suggests that galanin, previously thought to be detrimental to Alzheimer's patients, may actually enhance acetylcholine release from remaining cholinergic basal forebrain neurons. This compensatory role could delay disease progression and inform the development of galanin antagonists as a potential treatment option.
Researchers found that folic acid deficiency led to decreased neurons and increased homocysteine levels, causing DNA damage in the hippocampus. Adequate folate intake helped repair this damage, suggesting a possible cause-effect relationship between folic acid and Alzheimer's disease prevention
Researchers found that neural stem cells migrate to injured brain areas in response to acute brain injuries, such as strokes. This self-repair mechanism could potentially lead to new treatments for brain-related disorders.
A study published in Science found no new neurons in the neocortex of adult monkeys, contradicting previous reports. Researchers used advanced imaging techniques to analyze thousands of cells and conclude that mechanisms other than neurogenesis may be needed to understand brain function.
Scientists from UCSD's Divisions of Biology and Physical Sciences have observed the formation of permanent nerve connections that store short- and long-term memories. By visualizing the rods and filaments of actin, they discovered that these changes occur after repeated stimulation, mimicking human memory consolidation.
Researchers at Emory University found that growth factor BDNF stimulates the production of new neurons in several areas of the adult brain, including the striatum and hypothalamus. This discovery suggests a more profound capacity for neurogenesis in the adult forebrain than previously thought.
A Harvard Medical School study found that immune proteins Class I MHC and CD3-zeta play a role in brain development and remodeling, potentially triggering developmental disorders like dyslexia. The proteins may also be involved in neurodegenerative diseases such as Parkinson's disease and multiple sclerosis.
Researchers have gained a close look at synapses and dendritic spines governing brain function using high resolution imaging technique two-photon microscopy. They discovered that single calcium channels in these structures are responsible for triggering changes in neurons, encoding memories and processing information.
Researchers have discovered that synuclein plays a crucial role in communication between neurons, potentially shedding light on the mechanisms underlying Parkinson's and Alzheimer's diseases. The study provides strong evidence that synucleins control the release of neurotransmitters from nerve cells.
Researchers at Cold Spring Harbor Laboratory uncovered a new link in the molecular chain of events thought to underlie learning and memory. Strengthening of nerve cell connections can be largely explained by the movement of AMPA receptors into synapses.
Researchers at Harvard Medical School have coaxed high-level neurons in adult zebra finches to be replaced by their own endogenous precursor cells, demonstrating the potential for brain repair and regeneration.
Scientists discovered that Prozac increases new neurons in rats' brains by 69% compared to controls. This finding may explain why people recover from depression with SSRIs. The study also suggests serotonin's role in treating other neurological diseases like Alzheimer's.
Researchers at USC created a machine system that recognizes spoken words better than humans, with the ability to distinguish words in vast amounts of random noise. The novel neural network architecture mimics the biological system's temporal dimension, allowing it to process information structured in time.
Researchers discovered a protein called yotiao, which anchors enzymes to NMDA receptors in neurons, controlling electrical impulses. This sophisticated control mechanism allows for precise and rapid signaling, enabling nerve cells to rapidly recover from activation.
Researchers have created living nerve cell colonies on silicon chips that can be used to study the brain's functions and potentially develop new prosthetic devices. The colonies, grown from rat hippocampal neurons, can live for extended periods and communicate with each other through a matrix of electrodes.
A new study finds that certain brain cells can be stimulated to regenerate following a stroke, potentially treating memory disorders in stroke patients. Researchers discovered a 12-fold increase in the birth of new cells in rodents after stroke, which may lead to rewireing the brain and helping survivors recover lost memory function.
Researchers at Oregon Health & Science University shed light on the molecular mechanisms underlying long-term potentiation, a key process for memory formation. The study reveals that CaM-KII plays a critical role in this process, enabling persistent changes in synaptic strength and storage of information.