Myosin in autoinhibited off state(s), stabilized by mavacamten, can be recruited in response to inotropic interventions

W Ma, CL Del Rio, L Qi, M Prodanovic… - Proceedings of the …, 2024 - National Acad Sciences
Mavacamten is a FDA-approved small-molecule therapeutic designed to regulate cardiac
function at the sarcomere level by selectively but reversibly inhibiting the enzymatic activity …

Danicamtiv increases myosin recruitment and alters cross-bridge cycling in cardiac muscle

KB Kooiker, S Mohran, KL Turner, W Ma… - Circulation …, 2023 - Am Heart Assoc
BACKGROUND: Modulating myosin function is a novel therapeutic approach in patients with
cardiomyopathy. Danicamtiv is a novel myosin activator with promising preclinical data that …

The structural OFF and ON states of myosin can be decoupled from the biochemical super-and disordered-relaxed states

VP Jani, T Song, C Gao, H Gong, S Sadayappan… - PNAS …, 2024 - academic.oup.com
There is a growing awareness that both thick-filament and classical thin-filament regulations
play central roles in modulating muscle contraction. Myosin ATPase assays have …

Right ventricular sarcomere contractile depression and the role of thick filament activation in human heart failure with pulmonary hypertension

V Jani, MI Aslam, AJ Fenwick, W Ma, H Gong… - Circulation, 2023 - Am Heart Assoc
Background: Right ventricular (RV) contractile dysfunction commonly occurs and worsens
outcomes in patients with heart failure with reduced ejection fraction and pulmonary …

The structural and functional integrities of porcine myocardium are mostly preserved by cryopreservation

W Ma, KH Lee, CE Delligatti, MT Davis… - Journal of General …, 2023 - rupress.org
Structural and functional studies of heart muscle are important to gain insights into the
physiological bases of cardiac muscle contraction and the pathological bases of heart …

Myosin in autoinhibited off state (s), stabilized by mavacamten, can be recruited via inotropic effectors

W Ma, L Qi, M Prodanovic, HM Gong, C Zambataro… - Biophysical …, 2023 - cell.com
Mavacamten is a novel investigational small molecule designed to regulate cardiac function
at the sarcomere level by selectively but reversibly inhibiting the enzymatic activity of …

Predominant myosin superrelaxed state in canine myocardium with naturally occurring dilated cardiomyopathy

J Ochala, CTA Lewis, T Beck… - American Journal …, 2023 - journals.physiology.org
Dilated cardiomyopathy (DCM) is a naturally occurring heart failure condition in humans and
dogs, notably characterized by a reduced contractility and ejection fraction. As the …

[HTML][HTML] The structural OFF and ON states of myosin can be decoupled from the biochemical super-relaxed and disordered-relaxed states

W Ma, VP Jani, T Song, C Gao, H Gong, S Sadayappan… - bioRxiv, 2023 - ncbi.nlm.nih.gov
There is a growing awareness that both thick filament and classical thin filament regulation
play central roles in modulating muscle contraction. Myosin ATPase assays have …

[PDF][PDF] Danicamtiv increases myosin recruitment and alters the chemomechanical cross bridge cycle in cardiac muscle

GC Arenas, AY Tu, TC Irving, MA Geeves11… - academia.edu
Modulating myosin function is a novel therapeutic approach in patients with cardiomyopathy.
Detailed mechanism of action of these agents can help predict potential unwanted affects …