Related Experiment Video
Updated: Mar 31, 2026

09:39
Modeling Myotonic Dystrophy 1 in C2C12 Myoblast Cells
Published on: July 29, 2016
16.1K
Metabolic Myopathies.
Margaret Adler1, Perry B Shieh2
1Department of Neurology, Harbor-UCLA, Torrance, California.
Seminars in Neurology
|October 28, 2015
Summary
This review covers rare metabolic myopathies caused by defects in energy production pathways. It details diagnostic testing and patient management strategies for these complex genetic disorders.
Area of Science:
- Biochemistry
- Genetics
- Neurology
Background:
- Metabolic myopathies are rare genetic disorders affecting muscle energy metabolism.
- Defects occur in pathways like glycogenolysis, glycolysis, fatty acid oxidation, and mitochondrial respiration.
Purpose of the Study:
- To review ancillary testing for diagnosing metabolic myopathies.
- To provide a detailed discussion of individual metabolic myopathies.
- To outline approaches for managing patients with suspected metabolic myopathies.
Main Methods:
- Literature review of diagnostic modalities.
- Synthesis of information on specific metabolic myopathies.
- Clinical case discussion framework.
Main Results:
- Identification of key ancillary tests for metabolic myopathy diagnosis.
- Comprehensive overview of various metabolic myopathies.
- Structured approach to patient workup and management.
Conclusions:
- Accurate diagnosis relies on understanding energy metabolism defects.
- Multidisciplinary approach is crucial for effective patient management.
- Further research can improve diagnostic and therapeutic strategies.
More Related Videos
Related Concept Videos
Inborn Errors of Metabolism
1.0K
Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
1.0K
Disorders of the Skeletal Muscle
2.3K
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
2.3K
Overview of Protein Metabolism
4.6K
Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
4.6K
Satellite Stem Cells and Muscular Dystrophy
2.6K
Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...
2.6K
Lysosomal Hydrolases
4.7K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
4.7K
Cardiomyopathy I: Introduction and Classification
802
Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
802

