Gene therapies in canine models for Duchenne muscular dystrophy

Peter P Nghiem1, Joe N Kornegay2

  • 1Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, 4458 TAMU, College Station, TX, 77843-4458, USA. pnghiem@tamu.edu.

Human Genetics
|February 9, 2019
PubMed

Insights

Canine models for Duchenne muscular dystrophy (DMD) offer a more accurate preclinical evaluation of genetic therapies compared to murine models. This review highlights their benefits for gene replacement, exon skipping, and gene editing studies.

Area of Science:

  • Pre-clinical research
  • Animal models
  • Genetic therapy

Background:

  • Duchenne muscular dystrophy (DMD) therapies require rigorous pre-clinical testing in animal models for safety and efficacy.
  • Murine and canine models are genetically homologous to DMD, serving as primary choices for pre-clinical studies.
  • Canine models exhibit disease progression more analogous to human DMD patients than murine models, particularly in clinical and immunological aspects.

Purpose of the Study:

  • To review the utility of canine models for Duchenne muscular dystrophy (DMD) in pre-clinical genetic therapy research.
  • To highlight the advantages of canine models in predicting treatment responses at genetic, phenotypic, and immunological levels.
  • To discuss the application of canine models in evaluating specific genetic therapeutic strategies for DMD.

Main Methods:

  • Review of existing literature on Duchenne muscular dystrophy (DMD) animal models.
  • Comparative analysis of murine and canine models for DMD pre-clinical studies.
  • Focus on genetic therapy approaches including gene replacement, exon skipping, and gene editing within canine models.

Main Results:

  • Canine models demonstrate closer clinical and immunological parallels to human Duchenne muscular dystrophy (DMD) progression than murine models.
  • Evaluating genetic therapies in canine models may provide more reliable predictions of efficacy and safety.
  • Canine models are suitable for assessing gene replacement, exon skipping, and gene editing strategies for DMD.

Conclusions:

  • Canine models are valuable tools for advancing Duchenne muscular dystrophy (DMD) genetic therapy research.
  • Their use can enhance the predictive power of pre-clinical studies, potentially accelerating the development of effective DMD treatments.
  • Further research utilizing canine models is recommended for optimizing genetic therapies for Duchenne muscular dystrophy.

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