Infantile spinal muscular atrophy (SMA) is a neuromuscular disorder that affects the nerve cells in the spinal cord. It causes muscles to weaken and limits muscle movement. SMA is a rare condition.

Loss of muscle mass, also called muscle wasting or atrophy, can happen gradually as part of getting older or more suddenly ...

Spinal muscular atrophy is a genetically inherited disorder that causes muscle weakness. Adults can get spinal muscular atrophy, but it’s rare in adults and progresses slowly. It doesn’t typically ...

Spinal muscular atrophy (SMA) type 1 is a genetic condition in which the nerves that control movement, breathing, and swallowing become progressively weaker and smaller. SMA has five types with ...

Muscle atrophy is a primary characteristic of both sarcopenia and cachexia, significantly impacting physical function and quality of life. This figure illustrates the multifaceted causes of muscle ...

Muscles are made up of proteins. Myosin, a fibrous protein, serves as a molecular motor and converts the chemical energy stored inside our body into mechanical energy. The synergistic association ...

This image from video provided by UPMC and University of Pittsburgh Health Sciences shows Doug McCullough, who has spinal muscular atrophy, during tests of experimental spinal cord stimulation to ...

Poliomyelitis (“polio”) is a severe and potentially life threatening condition caused by the poliovirus. If you had a polio infection as a child and have since recovered, it’s still possible to ...

Scientists discovered that 1) the wasting response to T. brucei infection in mice occurs in two phases, each regulated by different immune cells and 2) fat loss did not benefit the fight against ...