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Functions of Presynaptic Voltage-gated Calcium Channels [PDF]

open access: yesFunction, 2021
Voltage-gated calcium channels are the principal conduits for depolarization-mediated Ca2+ entry into excitable cells. In this review, the biophysical properties of the relevant members of this family of channels, those that are present in presynaptic ...
Annette C Dolphin
doaj   +6 more sources

Emerging roles of L-type voltage gated and other calcium channels in T lymphocytes. [PDF]

open access: yesFrontiers in Immunology, 2013
In T lymphocytes, calcium ion controls a variety of biological processes including development, survival, proliferation, and effector functions. These distinct and specific roles are regulated by different calcium signals, which are generated by various ...
Abdallah eBadou   +4 more
doaj   +3 more sources

Voltage-gated calcium channels in genetic epilepsies. [PDF]

open access: yesJ Neurochem, 2023
Abstract Voltage‐gated calcium channels (VGCC) are abundant in the central nervous system and serve a broad spectrum of functions, either directly in cellular excitability or indirectly to regulate Ca 2+ homeostasis.
Lauerer RJ, Lerche H.
europepmc   +3 more sources

Structural biology of voltage-gated calcium channels [PDF]

open access: yesChannels
Voltage-gated calcium (Cav) channels mediate Ca2+ influx in response to membrane depolarization, playing critical roles in diverse physiological processes. Dysfunction or aberrant regulation of Cav channels can lead to life-threatening consequences.
Xia Yao, Shuai Gao, Nieng Yan
doaj   +2 more sources

Proteolytic maturation of α2δ represents a checkpoint for activation and neuronal trafficking of latent calcium channels [PDF]

open access: yeseLife, 2016
The auxiliary α2δ subunits of voltage-gated calcium channels are extracellular membrane-associated proteins, which are post-translationally cleaved into disulfide-linked polypeptides α2 and δ.
Ivan Kadurin   +11 more
doaj   +5 more sources

Scrapie-infected GT1-1 cells show impaired function of voltage-gated N-type calcium channels (Cav 2.2) which is ameliorated by quinacrine treatment

open access: greenNeurobiology of Disease, 2004
Prions are transmissible pathogens that cause neurodegenerative diseases, although the mechanisms behind the nervous system dysfunctions are unclear.
Malin K Sandberg   +3 more
doaj   +2 more sources

Regulation of GABAA Receptors Induced by the Activation of L-Type Voltage-Gated Calcium Channels [PDF]

open access: yesMembranes, 2021
GABAA receptors are pentameric ion channels that mediate most synaptic and tonic extrasynaptic inhibitory transmissions in the central nervous system.
María Clara Gravielle
doaj   +2 more sources

Voltage-Gated Calcium Channels in Nonexcitable Tissues. [PDF]

open access: yesAnnu Rev Physiol, 2021
The identification of a gain-of-function mutation in CACNA1C as the cause of Timothy syndrome, a rare disorder characterized by cardiac arrhythmias and syndactyly, highlighted roles for the L-type voltage-gated Ca2+channel CaV1.2 in nonexcitable cells.
Pitt GS, Matsui M, Cao C.
europepmc   +4 more sources

A subfraction obtained from the venom of the tarantula Poecilotheria regalis contains inhibitor cystine knot peptides and induces relaxation of rat aorta by inhibiting L-type voltage-gated calcium channels [PDF]

open access: yesToxicon: X, 2023
Venoms from tarantulas contain low molecular weight vasodilatory compounds whose biological action is conceived as part of the envenomation strategy due to its propagative effects. However, some properties of venom-induced vasodilation do not match those
Luis Fernando Díaz-Peña   +8 more
doaj   +2 more sources

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