Etiology of genetic muscle disorders induced by mutations in fast and slow skeletal MyBP-C paralogs

T Song, M Landim-Vieira, M Ozdemir, C Gott… - … & Molecular Medicine, 2023 - nature.com
Skeletal muscle, a highly complex muscle type in the eukaryotic system, is characterized by
different muscle subtypes and functions associated with specific myosin isoforms. As a …

Cardiac myosin binding protein-C phosphorylation regulates the super-relaxed state of myosin

JW McNamara, RR Singh… - Proceedings of the …, 2019 - National Acad Sciences
Phosphorylation of cardiac myosin binding protein-C (cMyBP-C) accelerates cardiac
contractility. However, the mechanisms by which cMyBP-C phosphorylation increases …

The potential of Hsp90 in targeting pathological pathways in cardiac diseases

RJ Roberts, L Hallee, CK Lam - Journal of Personalized Medicine, 2021 - mdpi.com
Heat shock protein 90 (Hsp90) is a molecular chaperone that interacts with up to 10% of the
proteome. The extensive involvement in protein folding and regulation of protein stability …

A novel “cut and paste” method for in situ replacement of cMyBP-C reveals a new role for cMyBP-C in the regulation of contractile oscillations

NC Napierski, K Granger, PR Langlais… - Circulation …, 2020 - Am Heart Assoc
Rationale: cMyBP-C (cardiac myosin-binding protein-C) is a critical regulator of heart
contraction, but the mechanisms by which cMyBP-C affects actin and myosin are only partly …

Regulation of myofilament force and loaded shortening by skeletal myosin binding protein-C

JC Robinett, LM Hanft, J Geist… - Biophysical …, 2019 - cell.com
1Physics, Florida State Univ, Tallahassee, FL, USA, 2Florida State Univ, Tallahassee, FL,
USA, 3Biology, Florida State Univ, Tallahassee, FL, USA. Striated muscle thick filaments are …

The lack of Troponin I Ser-23/24 phosphorylation is detrimental to in vivo cardiac function and exacerbates cardiac disease

HE Salhi, V Shettigar, L Salyer, S Sturgill… - Journal of molecular and …, 2023 - Elsevier
Troponin I (TnI) is a key regulator of cardiac contraction and relaxation with TnI Ser-23/24
phosphorylation serving as a myofilament mechanism to modulate cardiac function. Basal …

Cardiac MyBP-C phosphorylation regulates the Frank–Starling relationship in murine hearts

LM Hanft, DP Fitzsimons, TA Hacker, RL Moss… - Journal of General …, 2021 - rupress.org
The Frank–Starling relationship establishes that elevated end-diastolic volume
progressively increases ventricular pressure and stroke volume in healthy hearts. The …

Phosphorylation-dependent interactions of myosin-binding protein C and troponin coordinate the myofilament response to protein kinase A

IR Sevrieva, S Ponnam, Z Yan, M Irving… - Journal of Biological …, 2023 - ASBMB
PKA-mediated phosphorylation of sarcomeric proteins enhances heart muscle performance
in response to β-adrenergic stimulation and is associated with accelerated relaxation and …

[HTML][HTML] Human cardiac myosin-binding protein C phosphorylation-and mutation-dependent structural dynamics monitored by time-resolved FRET

RS Kanassatega, TA Bunch, VC Lepak, C Wang… - Journal of molecular and …, 2022 - Elsevier
Cardiac myosin-binding protein C (cMyBP-C) is a thick filament-associated protein of the
sarcomere and a potential therapeutic target for treating contractile dysfunction in heart …

Cardiac myofibrillar contractile properties during the progression from hypertension to decompensated heart failure

LM Hanft, CA Emter… - American Journal of …, 2017 - journals.physiology.org
Heart failure arises, in part, from a constellation of changes in cardiac myocytes including
remodeling, energetics, Ca2+ handling, and myofibrillar function. However, little is known …