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Related Concept Videos

Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Skeletal Muscle Anatomy00:55

Skeletal Muscle Anatomy

Skeletal muscle is the most abundant type of muscle in the body. Tendons are the connective tissue that attaches skeletal muscle to bones. Skeletal muscles pull on tendons, which in turn pull on bones to carry out voluntary movements.
Classification of Skeletal Muscle Fibers01:48

Classification of Skeletal Muscle Fibers

Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...

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Related Experiment Video

Updated: May 30, 2026

Skeletal Muscle Gender Dimorphism from Proteomics
09:29

Skeletal Muscle Gender Dimorphism from Proteomics

Published on: December 14, 2011

Skeletal muscle proteomics: current approaches, technical challenges and emerging techniques.

Kay Ohlendieck1

  • 1Muscle Biology Laboratory, Department of Biology, National University of Ireland, Maynooth, County Kildare, Ireland. kay.ohlendieck@nuim.ie

Skeletal Muscle
|July 30, 2011
PubMed
Summary

Muscle proteomics uses advanced techniques like mass spectrometry to identify and characterize skeletal muscle proteins. This approach aids in understanding muscle adaptations, aging, and diseases, revealing complex protein modifications.

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Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples
14:51

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

Published on: November 13, 2021

Related Experiment Videos

Last Updated: May 30, 2026

Skeletal Muscle Gender Dimorphism from Proteomics
09:29

Skeletal Muscle Gender Dimorphism from Proteomics

Published on: December 14, 2011

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples
14:51

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

Published on: November 13, 2021

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Physiology

Background:

  • Skeletal muscle fibers are crucial in mammals, with complex protein structures vital for function.
  • Conventional biochemical studies face challenges due to protein complexity, modifications, and supramolecular organization.

Purpose of the Study:

  • To review the scientific impact and applications of modern muscle proteomics.
  • To discuss technical limitations and emerging techniques in muscle proteome research.

Main Methods:

  • Utilizes large-scale separation techniques (e.g., 2D gel electrophoresis, liquid chromatography).
  • Employs mass spectrometry for high-throughput protein identification and characterization.
  • Applies proteomic studies to analyze muscle development, aging, and adaptation.

Main Results:

  • Muscle proteomics enables global identification and biochemical characterization of muscle proteins.
  • Studies have profiled muscle during development, aging, and physiological adaptations (e.g., exercise, atrophy).
  • Proteomics has identified biomarker signatures for neuromuscular disorders and confirmed extensive posttranslational modifications.

Conclusions:

  • Modern muscle proteomics significantly advances understanding of muscle biology.
  • Highlights technical limitations and emerging techniques for biomarker discovery.
  • Facilitates comprehensive biochemical profiling of skeletal muscle tissues.