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depolarization at Biology News

Researchers uncover mechanisms of estrogen in promoting cell death in breast cancer

...teins on the membrane of cell mitochondria, led to depolarization of the mitochondrial membrane, and stimulated the release of a molecule called cytochrome c into the cell's interior, where it could activate several cellular enzymes, called caspases, which in turn initiate cell degradation. They also found that est...
depolarization at Biology Products
depolarization at Biology Technology

Receptor Binding Assays using Fluorescence Polarization Detection: the [FP]2TM Characterized Tracers

...is time. The greater the rotation, the greater the depolarization of the excitation light leading to a smaller polar...ence lifetime, which translates into a significant depolarization (small signal). In the intermediate cases of partially bound derivatized peptide, the magnitude of t...
depolarization at Biology Definition

Neurotransmitter

...ction potential travels to the synapse, the rapid depolarization causes calcium ion channels to open. Calcium then stimulates the transport of vesicles to the synaptic membrane: the vesicle and cell membrane fuse, leading to the release of the packaged neurotransmitter, a mechanism called exocytosis . The ne...

Ion channel

...brane potential and open or close in response to depolarization or hyperpolarization , respectively. Examples include the sodium and potassium voltage-gated channels of nerve and muscle, and the voltage-gated calcium channels that control neurotransmitter release in pre-synaptic endings . Ligand-gated...

Depolarization

In biology, depolarization refers to the event a cell undergoes when its ...odium or calcium ) into the cell. Alternatively, depolarization can also happen if potassium channels are closed. Compare to hyperpolarization . Depolarization o...
depolarization at Biology Dictionary

Depolarization

In biology , depolarization is a decrease in the absolute value of a cell 's...l becomes less positive or less negative are both depolarization s. Full article >>> Depolarization In biology , depolarization refers to the eve...

C Terminus

...st- translation . Full article >>> depolarization results from the inward rush of sodium ions, while repolarization and hyperpolarization arise from an outward rush of potassium ions. Calcium ions make up most or all of the depolarizing currents at an axon 's presynaptic terminus, ... Full arti...

Action potential

... neuron s during a slowly developing or prolonged depolarization . Full article >>> The ApoE effects on calcium are not affected by the blockade of action potential s with tetrodotoxin, or by inhibition of common ApoE binding site s. The calcium channel involved has been identified as a P/Q-type-l...
depolarization at Medicine News
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depolarization at Medicine Technology
depolarization at Medicine Definition

Depolarization-induced suppression of inhibition

...of inhibitory currents could be invoked simply by depolarization of the target cell, this phenomenon was termed de...r whose synthesis or release was stimulated by the depolarization of the target cell. This messenger then diffused "backwards" to the pre-synaptic cell, where it caus...
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