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Related Concept Videos

Alternative RNA Splicing02:18

Alternative RNA Splicing

Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
Alternative RNA Splicing02:18

Alternative RNA Splicing

Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
RNA Splicing01:32

RNA Splicing

Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
RNA Splicing01:32

RNA Splicing

Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
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...
Exon Recombination02:32

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...

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Related Experiment Video

Updated: Jun 11, 2026

Multi-exon Skipping Using Cocktail Antisense Oligonucleotides in the Canine X-linked Muscular Dystrophy
10:30

Multi-exon Skipping Using Cocktail Antisense Oligonucleotides in the Canine X-linked Muscular Dystrophy

Published on: May 24, 2016

Alternative splicing and muscular dystrophy.

Mariaelena Pistoni1, Claudia Ghigna, Davide Gabellini

  • 1Division of Regenerative Medicine, San Raffaele Scientific Institute, Milan, Italy.

RNA Biology
|July 7, 2010
PubMed
Summary
This summary is machine-generated.

Alternative splicing, crucial for gene expression, is vital for muscle function. Its dysregulation causes muscle diseases like myotonic and facioscapulohumeral muscular dystrophy.

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Multi-exon Skipping Using Cocktail Antisense Oligonucleotides in the Canine X-linked Muscular Dystrophy
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Area of Science:

  • Molecular Biology
  • Genetics
  • Cell Biology

Background:

  • Alternative splicing of pre-mRNAs generates proteomic diversity in eukaryotes.
  • Splicing regulation is critical for tissue-specific gene expression and development.
  • Disruptions in alternative splicing are linked to numerous human diseases.

Purpose of the Study:

  • To review the significance of alternative splicing in muscle function.
  • To explore the role of alternative splicing in muscle diseases.
  • To highlight specific examples of splicing-related muscular dystrophies.

Main Methods:

  • Literature review focusing on alternative splicing mechanisms.
  • Analysis of gene expression regulation in muscle tissues.
  • Case studies of myotonic muscular dystrophy and facioscapulohumeral muscular dystrophy.

Main Results:

  • Alternative splicing significantly impacts muscle-specific gene expression.
  • Defective splicing regulation is a key factor in the pathogenesis of certain muscular dystrophies.
  • Myotonic and facioscapulohumeral muscular dystrophies exemplify splicing dysregulation in muscle.

Conclusions:

  • Alternative splicing is essential for maintaining normal muscle function.
  • Understanding splicing defects is crucial for diagnosing and potentially treating muscle disorders.
  • Targeting splicing pathways may offer therapeutic strategies for muscular dystrophies.