The β Subunit of Voltage-Gated Ca2+ Channels

Z Buraei, J Yang - Physiological reviews, 2010 - journals.physiology.org
Calcium regulates a wide spectrum of physiological processes such as heartbeat, muscle
contraction, neuronal communication, hormone release, cell division, and gene …

L-Type CaV1.2 Calcium Channels: From In Vitro Findings to In Vivo Function

F Hofmann, V Flockerzi, S Kahl… - Physiological …, 2014 - journals.physiology.org
The L-type Cav1. 2 calcium channel is present throughout the animal kingdom and is
essential for some aspects of CNS function, cardiac and smooth muscle contractility …

Adrenergic regulation of calcium channels in the heart

A Papa, J Kushner, SO Marx - Annual review of physiology, 2022 - annualreviews.org
Each heartbeat is initiated by the action potential, an electrical signal that depolarizes the
plasma membrane and activates a cycle of calcium influx via voltage-gated calcium …

EMC chaperone–CaV structure reveals an ion channel assembly intermediate

Z Chen, A Mondal, F Abderemane-Ali, S Jang… - Nature, 2023 - nature.com
Voltage-gated ion channels (VGICs) comprise multiple structural units, the assembly of
which is required for function,. Structural understanding of how VGIC subunits assemble and …

Voltage-gated calcium channels in nonexcitable tissues

GS Pitt, M Matsui, C Cao - Annual review of physiology, 2021 - annualreviews.org
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 …

[HTML][HTML] Regulation of CaV2 calcium channels by G protein coupled receptors

GW Zamponi, KPM Currie - Biochimica et Biophysica Acta (BBA) …, 2013 - Elsevier
Voltage gated calcium channels (Ca2+ channels) are key mediators of depolarization
induced calcium influx into excitable cells, and thereby play pivotal roles in a wide array of …

[HTML][HTML] Structure and function of the β subunit of voltage-gated Ca2+ channels

Z Buraei, J Yang - Biochimica Et Biophysica Acta (BBA)-Biomembranes, 2013 - Elsevier
The voltage-gated Ca2+ channel β subunit (Cavβ) is a cytosolic auxiliary subunit that plays
an essential role in regulating the surface expression and gating properties of high-voltage …

Adrenergic CaV1.2 Activation via Rad Phosphorylation Converges at α1C I-II Loop

A Papa, J Kushner, JA Hennessey… - Circulation …, 2021 - Am Heart Assoc
Rationale: Changing activity of cardiac CaV1. 2 channels under basal conditions, during
sympathetic activation, and in heart failure is a major determinant of cardiac physiology and …

[HTML][HTML] Structure of a prokaryotic sodium channel pore reveals essential gating elements and an outer ion binding site common to eukaryotic channels

D Shaya, F Findeisen, F Abderemane-Ali… - Journal of molecular …, 2014 - Elsevier
Voltage-gated sodium channels (Na V s) are central elements of cellular excitation.
Notwithstanding advances from recent bacterial Na V (BacNa V) structures, key questions …

Rad regulation of CaV1.2 channels controls cardiac fight-or-flight response

A Papa, SI Zakharov, AN Katchman… - Nature cardiovascular …, 2022 - nature.com
Fight-or-flight responses involve β-adrenergic-induced increases in heart rate and
contractile force. In the present study, we uncover the primary mechanism underlying the …