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CRISPR/Cas9 Technology in Restoring Dystrophin Expression in iPSC-Derived Muscle Progenitors
Published on: September 14, 2019
Muscling in: Gene therapies for muscular dystrophy target RNA
Joel R Chamberlain1, Jeffrey S Chamberlain
1Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, Washington, USA. jrcham@uw.edu
Abstract:
Muscle diseases can take many forms, from the progressive muscle degeneration of dystrophies to the childhood cancer rhabdomyosarcoma. In 'Bench to Bedside', Joel R. Chamberlain and Jeffrey S. Chamberlain discuss studies using antisense oligonucleotides to treat Duchenne muscular dystrophy and myotonic dystrophy. In 'Bedside to Bench', Simone Hettmer and Amy J. Wagers examine the implications of clinical studies describing a type of rhabdomyosarcoma that resembles acute leukemia. The findings dovetail with other studies suggesting that some of these cancers might originate outside of muscle tissue and highlight the need for a better understanding of the cells that give rise to this condition.
Insights
Antisense oligonucleotides show promise for treating muscular dystrophies. New research also suggests some rhabdomyosarcomas may originate outside muscle, requiring further study of cancer-causing cells.
Area of Science:
- Biomedical research
- Genetics
- Oncology
Background:
- Muscle diseases encompass a spectrum from muscular dystrophies to rhabdomyosarcoma.
- Duchenne muscular dystrophy and myotonic dystrophy are progressive muscle-degenerating conditions.
- Rhabdomyosarcoma is a childhood cancer with subtypes exhibiting unique characteristics.
Purpose of the Study:
- To review advances in treating muscular dystrophies using antisense oligonucleotides.
- To explore the implications of rhabdomyosarcoma research resembling acute leukemia.
- To highlight the need for understanding the cellular origins of certain rhabdomyosarcomas.
Main Methods:
- Review of studies on antisense oligonucleotide therapies for Duchenne muscular dystrophy and myotonic dystrophy.
- Analysis of clinical findings in rhabdomyosarcoma cases with acute leukemia-like features.
- Integration of findings with broader research on cancer cell origins.
Main Results:
- Antisense oligonucleotides represent a potential therapeutic strategy for specific muscular dystrophies.
- Certain rhabdomyosarcomas share characteristics with acute leukemia, suggesting alternative origins.
- Evidence indicates some rhabdomyosarcomas may arise from non-muscle tissues.
Conclusions:
- Antisense oligonucleotide therapy offers a promising avenue for muscular dystrophy treatment.
- Understanding the cellular origins of rhabdomyosarcoma is crucial for effective treatment strategies.
- Further research is needed to elucidate the cell types involved in rhabdomyosarcoma development.
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