Phospholamban regulates nuclear Ca2+ stores and inositol 1, 4, 5-trisphosphate mediated nuclear Ca2+ cycling in cardiomyocytes

M Chen, D Xu, AZ Wu, E Kranias, SF Lin… - Journal of molecular and …, 2018 - Elsevier
Aims Phospholamban (PLB) is the key regulator of the cardiac Ca 2+ pump (SERCA2a)-
mediated sarcoplasmic reticulum Ca 2+ stores. We recently reported that PLB is highly …

Phospholamban is concentrated in the nuclear envelope of cardiomyocytes and involved in perinuclear/nuclear calcium handling

AZ Wu, D Xu, N Yang, SF Lin, PS Chen, SE Cala… - Journal of molecular and …, 2016 - Elsevier
Aims Phospholamban (PLB) regulates the cardiac Ca 2+-ATPase (SERCA2a) in
sarcoplasmic reticulum (SR). However, the localization of PLB at subcellular sites outside …

[HTML][HTML] Association with SERCA2a directs phospholamban trafficking to sarcoplasmic reticulum from a nuclear envelope pool

W He, D Huang, S Guo, D Wang, J Guo, SE Cala… - Journal of Molecular and …, 2020 - Elsevier
Aims Phospholamban (PLB) stoichiometrically regulates the cardiac Ca 2+ pump
(SERCA2a) in the sarcoplasmic reticulum (SR); but in the nuclear envelope (NE) of …

Acute reversal of phospholamban inhibition facilitates the rhythmic whole-cell propagating calcium waves in isolated ventricular myocytes

YH Chan, WC Tsai, Z Song, CY Ko, Z Qu… - Journal of Molecular and …, 2015 - Elsevier
Phospholamban (PLB) inhibits the activity of cardiac sarcoplasmic reticulum (SR) Ca 2+-
ATPase (SERCA2a). Phosphorylation of PLB during sympathetic activation reverses …

Calcium Sparks and Excitation–Contraction Coupling in Phospholamban‐Deficient Mouse Ventricular Myocytes

LF Santana, EG Kranias… - The Journal of physiology, 1997 - Wiley Online Library
1 We examined [Ca2+] i and L‐type Ca2+ channel current (ICa) in single cardiac myocytes
to determine how the intracellular protein phospholamban (PLB) influences excitation …

Subcellular properties of [Ca2+]itransients in phospholamban-deficient mouse ventricular cells

J Hüser, DM Bers, LA Blatter - American Journal of …, 1998 - journals.physiology.org
The regulatory protein phospholamban exerts a physiological inhibitory effect on the
sarcoplasmic reticulum (SR) Ca2+ pump that is relieved with phosphorylation. We have …

Phospholamban Ablation and Compensatory Responses in the Mammalian Heart a

G Chu, DG Ferguson, I Edes, E Kiss… - Annals of the New …, 1998 - Wiley Online Library
Phospholamban is a low molecular weight phosphoprotein in cardiac sarcoplasmic
reticulum. The regulatory role of phospholamban in vivo has recently been elucidated by …

Modulation of cardiac Ca2+channels by isoproterenol studied in transgenic mice with altered SR Ca2+ content

H Sako, SA Green, EG Kranias… - American Journal of …, 1997 - journals.physiology.org
Phospholamban (PLB) ablation is associated with enhanced sarcoplasmic reticulum (SR)
Ca2+ uptake and attenuation of the cardiac contractile responses to β-adrenergic agonists …

Chronic SR Ca2+-ATPase Inhibition Causes Adaptive Changes in Cellular Ca2+ Transport

AG Brittsan, KS Ginsburg, G Chu, A Yatani… - Circulation …, 2003 - Am Heart Assoc
Phospholamban, the critical regulator of the cardiac SERCA2a Ca2+ affinity, is
phosphorylated at Ser16 and Thr17 during β-adrenergic stimulation (eg, isoproterenol). To …

Phospholamban deficiency alters inactivation kinetics of L-type Ca2+ channels in mouse ventricular myocytes

H Masaki, Y Sato, W Luo… - American Journal of …, 1997 - journals.physiology.org
Entry of Ca2+ through voltage-dependent L-type Ca2+ channels is critical for contraction in
cardiac cells. In recent studies, cells from phospholamban (PLB) knockout (PLB-KO) mouse …