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 …

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 …

[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 …

Phospholamban binds with differential affinity to calcium pump conformers

P Bidwell, DJ Blackwell, Z Hou, AV Zima… - Journal of Biological …, 2011 - ASBMB
To investigate the mechanism of regulation of sarco-endoplasmic reticulum Ca 2+-ATPase
(SERCA) by phospholamban (PLB), we expressed Cerulean-SERCA and yellow fluorescent …

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 …

Enhanced phosphorylation of phospholamban and downregulation of sarco/endoplasmic reticulum Ca2+ ATPase type 2 (SERCA 2) in cardiac sarcoplasmic …

S Currie, GL Smith - Cardiovascular research, 1999 - academic.oup.com
Objectives: To assess the phosphorylation of myocardial phospholamban (PLB) and
quantify protein levels of PLB and sarco/endoplasmic reticulum Ca2+ ATPase type 2 …

[HTML][HTML] Biophysical interaction between phospholamban and protein phosphatase 1 regulatory subunit GM

I Berrebi-Bertrand, M Souchet, JC Camelin, MP Laville… - FEBS letters, 1998 - Elsevier
Regulation of the sarco (endo) plasmic reticulum Ca2+-ATPase (SERCA 2a) depends on
the phosphorylation state of phospholamban (PLB). When PLB is phosphorylated, its …

Phospholamban overexpression in rabbit ventricular myocytes does not alter sarcoplasmic reticulum Ca transport

JR Waggoner, KS Ginsburg, B Mitton… - American Journal …, 2009 - journals.physiology.org
Phospholamban has been suggested to be a key regulator of cardiac sarcoplasmic
reticulum (SR) Ca cycling and contractility and a potential therapeutic target in restoring the …

Phospholamban and sarcolipin: Are they functionally redundant or distinct regulators of the Sarco (Endo) Plasmic Reticulum Calcium ATPase?

SA Shaikh, SK Sahoo, M Periasamy - Journal of molecular and cellular …, 2016 - Elsevier
Abstract In muscle, the Sarco (Endo) plasmic Reticulum Calcium ATPase (SERCA) activity is
regulated by two distinct proteins, PLB and SLN, which are highly conserved throughout …

Reconstitution of the cytoplasmic interaction between phospholamban and Ca2+-ATPase of cardiac sarcoplasmic reticulum

Y Kimura, M Inui - Molecular pharmacology, 2002 - ASPET
Phospholamban (PLN) reversibly inhibits the Ca2+-ATPase of cardiac sarcoplasmic
reticulum (SERCA2a) through a direct protein-protein interaction, playing a pivotal role in the …