Mechanisms and physiological implications of cooperative gating of clustered ion channels

RE Dixon, MF Navedo, MD Binder… - Physiological …, 2022 - journals.physiology.org
Ion channels play a central role in the regulation of nearly every cellular process. Dating
back to the classic 1952 Hodgkin–Huxley model of the generation of the action potential, ion …

Dopamine and synaptic plasticity in dorsal striatal circuits controlling action selection

DJ Surmeier, J Plotkin, W Shen - Current opinion in neurobiology, 2009 - Elsevier
The striatum is thought to play a central role in learning how to choose acts that lead to
reward and avoid punishment. Dopamine-dependent modification of striatal synapses in the …

Spatiotemporal pattern of calcium activity in astrocytic network

A Semyanov - Cell calcium, 2019 - Elsevier
Ca 2+ influx through an astrocyte plasma membrane is mediated by ionotropic receptors
and Ca 2+ channels according the electrochemical gradient. These conductances allow …

An NAADP-gated two-pore channel targeted to the plasma membrane uncouples triggering from amplifying Ca2+ signals

E Brailoiu, T Rahman, D Churamani, DL Prole… - Journal of Biological …, 2010 - ASBMB
Nicotinic acid adenine dinucleotide phosphate (NAADP) is a ubiquitous messenger
proposed to stimulate Ca 2+ release from acidic organelles via two-pore channels (TPCs). It …

Biochemistry of calcium oscillations

P Uhlén, N Fritz - Biochemical and biophysical research communications, 2010 - Elsevier
Cytosolic calcium (Ca2+) oscillations are vastly flexible cell signals that convey information
regulating numerous cellular processes. The frequency and amplitude of the oscillating …

Lysosomes shape Ins(1,4,5)P3-evoked Ca2+ signals by selectively sequestering Ca2+ released from the endoplasmic reticulum

CI Lopez-Sanjurjo, SC Tovey, DL Prole… - Journal of cell …, 2013 - journals.biologists.com
Most intracellular Ca2+ signals result from opening of Ca2+ channels in the plasma
membrane or endoplasmic reticulum (ER), and they are reversed by active transport across …

Disentangling astroglial physiology with a realistic cell model in silico

LP Savtchenko, L Bard, TP Jensen, JP Reynolds… - Nature …, 2018 - nature.com
Electrically non-excitable astroglia take up neurotransmitters, buffer extracellular K+ and
generate Ca2+ signals that release molecular regulators of neural circuitry. The underlying …

[HTML][HTML] The endoplasmic reticulum and junctional membrane communication during calcium signaling

AKM Lam, A Galione - Biochimica et Biophysica Acta (BBA)-Molecular Cell …, 2013 - Elsevier
The endoplasmic reticulum is a major organelle in all eukaryotic cells which performs
multiple functions including protein and lipid synthesis and sorting, drug metabolism, and Ca …

Ratiometric measurement of MAM Ca2+ dynamics using a modified CalfluxVTN

E Cho, Y Woo, Y Suh, BK Suh, SJ Kim… - Nature …, 2023 - nature.com
Mitochondria-associated ER membrane (MAM) is a structure where these calcium-
regulating organelles form close physical contact sites for efficient Ca2+ crosstalk. Despite …

The role of dopamine in modulating the structure and function of striatal circuits

DJ Surmeier, W Shen, M Day, T Gertler, S Chan… - Progress in brain …, 2010 - Elsevier
Dopamine (DA) is a key regulator of action selection and associative learning. The striatum
has long been thought to be a major locus of DA action in this process. Although all striatal …