The human heart, often described as the body's engine, is a remarkable organ that tirelessly beats to keep us alive. At the core of this vital organ, intricate processes occur when it contracts, where ...

Thick filament structure in the relaxed cardiac sarcomere. The upper image shows a tomographic slice of a cardiac sarcomere. Thin filaments are marked with a green and thick filaments with a purple ...

At the molecular level, muscle contraction is defined by myosin molecules pulling actin filaments. New electron cryomicroscopy images with unprecedented resolution taken by researchers at Osaka ...

Researchers at Osaka University used electron cryomicroscopy (CryoEM) to image essential cardiac muscle components, known as thin filaments, with unprecedented resolution. They also discovered the ...

A tiny region in a little-known muscle protein may hold the key to a healthy, steady heartbeat, as well as possible clues to future treatment of devastating heart ailments. Washington State University ...