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Related Concept Videos

The Sarcomere01:08

The Sarcomere

A sarcomere is a microscopic segment repeating in a myofibril. The sarcomere fundamentally consists of two main myofilaments: thick filaments called myosin and thin filaments called actin. These filaments interact by sliding past each other in response to stimulus. In addition to myosin and actin, several other proteins, such as tropomyosin, troponin, titin, nebulin, myomesin, α-actinin, and dystrophin, play crucial roles in regulating, structuring, and functioning of the sarcomere.
Each myosin...
Satellite Stem Cells and Muscular Dystrophy01:21

Satellite Stem Cells and Muscular Dystrophy

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...
Microscopic Anatomy of Skeletal Muscles01:13

Microscopic Anatomy of Skeletal Muscles

Skeletal muscle cells, also called muscle fibers, are distinctly elongated, multi-nucleated, slender biological units. They are packed with specialized structures designed to facilitate their primary function, which is contraction.
The muscle sarcolemma is a plasma membrane enclosing each muscle cell that conducts electrical signals called action potentials. The sarcolemma extends into the cell to form T-tubules, ensuring the neural impulses are uniformly distributed across the entire muscle...
EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...

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Analysis of Zebrafish Larvae Skeletal Muscle Integrity with Evans Blue Dye
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Published on: November 30, 2015

Other model organisms for sarcomeric muscle diseases.

John Sparrow1, Simon M Hughes, Laurent Segalat

  • 1Department of Biology, University of York, York, UK. jcs1@york.ac.uk

Advances in Experimental Medicine and Biology
|February 3, 2009
PubMed
Summary

Model organisms like C. elegans, fruit flies, and zebrafish offer powerful genetic tools for studying human muscle diseases. These models aid in understanding muscle biology and screening for new therapeutic agents.

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Area of Science:

  • Muscle biology and genetics
  • Model organism research
  • Human disease modeling

Background:

  • Model organisms are crucial for understanding human muscle biology and disease.
  • Investigating genetic models can reveal insights into complex human conditions.

Purpose of the Study:

  • To discuss the potential of Caenorhabditis elegans, Drosophila melanogaster, and Danio rerio as model organisms for human muscle disease.
  • To examine the muscle biology, genetics, and development of these model organisms.
  • To outline the genetic tools available for each model organism.

Main Methods:

  • Comparative analysis of muscle biology, genetics, and development.
  • Review of genetic tools and methodologies applicable to each model organism.
  • Assessment of the utility of these models in disease study and drug screening.

Main Results:

  • These model organisms possess distinct advantages for studying muscle biology.
  • Powerful and specific genetic tools are available for each organism.
  • Their genetic tractability facilitates research into human muscle disorders.

Conclusions:

  • Caenorhabditis elegans, fruit flies, and zebrafish are valuable models for human muscle disease research.
  • These organisms have demonstrated potential in facilitating disease study.
  • They are effective in screening for potential therapeutic agents for muscle conditions.