نتایج جستجو برای: ltp
تعداد نتایج: 4988 فیلتر نتایج به سال:
Neuroplasticity is essential to learning and memory in the brain; it has therefore also been implicated numerous neurological psychiatric disorders, making measuring state of neuroplasticity foremost importance clinical neuroscience. Long-term potentiation (LTP) a key mechanism studied extensively, invasively non-human animals. Translation human application largely relies on validation non-inva...
A lipid transfer particle (LTP) from the hemolymph of adult male locusts, Locusta migratoria, was isolated and purified. The locust LTP exhibited its capacity to catalyze the exchange of diacylglycerol between low density lipophorin (LDLp) and high density lipophorin (HDLp). Contrary to the LTP reported for the tobacco hornworm, M. sexta, the locust LTP appeared to lack the capacity to promote ...
An anti-Hebbian form of LTP is observed at excitatory synapses made with some hippocampal interneurons. induction facilitated when postsynaptic interneurons are hyperpolarized, presumably because Ca2+ entry through Ca2+-permeable glutamate receptors enhanced. The contribution modulatory transmitters to remains be established. Activation group I metabotropic (mGluRs) requir...
Long-term potentiation (LTP) is a form of activity-dependent plasticity that occurs during learning. Potassium channels are the most diverse group of all ion channels that related to synaptic plasticity. Small-conductance calcium-activated potassium channels (SKs) are found in hippocampal CA1 neurons and by inhibiting of postsynaptic potentials are involved in synaptic transmission impairment. ...
Long-term potentiation (LTP), a cellular model of learning and memory, is generally regarded as a unitary phenomenon that alters the strength of synaptic transmission by increasing the postsynaptic response to the release of a quantum of neurotransmitter. LTP, at CA3-CA1 synapses in the hippocampus, contains a stimulation-labile phase of short-term potentiation (STP, or transient LTP, t-LTP) th...
Long-term potentiation (LTP) is a key cellular mechanism for pathological pain in the central nervous system. LTP contains at least two different phases: early-phase LTP (E-LTP) and late-phase LTP (L-LTP). Among several major cortical areas, the anterior cingulate cortex (ACC) is a critical brain region for pain perception and its related emotional changes. Periphery tissue or nerve injuries ca...
Activity-dependent synaptic plasticity is widely considered to be one of the cellular mechanisms that underlie learning and memory. Long-term potentiation (LTP) is the most intensely studied form of synaptic plasticity, in part because it can be induced at glutamatergic synapses in the mammalian brain, including the hippocampus, a structure known for its involvement in memory function. LTP can ...
Long-term potentiation (LTP) is a use-dependent form of synaptic plasticity that is of great interest as a cellular mechanism that may contribute to memory storage. It is the sustained phase of population excitatory postsynaptic potential induced by high-frequency stimulation (HFS). HFS can also induce short-term potentiation (STP), a decremental potentiation lasting approximately 15 min. It ha...
The late phase of long-term potentiation (L-LTP) is correlated with some types of long-term memory, but the mechanisms by which L-LTP is modulated by prior synaptic activity are undefined. Activation of protein phosphatases by low-frequency stimulation (LFS) given before induction of L-LTP may significantly modify L-LTP. Using cellular electrophysiological recording methods in mouse hippocampal...
We have previously shown that activation of nicotinic acetylcholine receptors (nAChRs) enhanced long-term potentiation (LTP) in the rat dentate gyrus in vitro via activation of alpha7 nAChR. In the present studies, mechanisms underlying the acute and chronic nicotinic enhancement of LTP were examined. In particular, the involvement of activation of intracellular kinases was examined using selec...
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