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Related Concept Videos

Gene Therapy00:59

Gene Therapy

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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Author Spotlight: Optimizing Digital Droplet PCR Method for Accurate Adeno-Associated Viral Genome Quantification
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Adeno-Associated Virus-Mediated Gene Therapy.

Hassan Zaman1, Aakif Khan1, Khalid Khan1

  • 1Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.

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Adeno-associated virus (AAV) vectors are crucial for gene therapy due to their safety and efficiency. Different AAV serotypes target specific cells, enabling precise genetic treatments for various diseases.

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Genetics

Background:

  • Adeno-associated viruses (AAV) are third-generation vectors gaining prominence in gene therapy.
  • AAV vectors offer advantages like non-pathogenicity, safety, low immunogenicity, efficient transduction of non-dividing cells, large genetic material capacity, and long-term transgene expression.

Purpose of the Study:

  • To highlight the critical role of vector selection in gene therapy.
  • To discuss the diverse applications and advantages of Adeno-associated virus (AAV) vectors in precision medicine.

Main Methods:

  • Review of Adeno-associated virus (AAV) vector characteristics and applications.
  • Discussion of specific AAV serotypes and their tropism for various target cells (liver, lungs, muscles, retina, CNS, etc.).
  • Examples of AAV-based gene therapies for lipoprotein lipase deficiency, RPE65 mutations, spinal muscular atrophy, and cystic fibrosis.

Main Results:

  • Adeno-associated virus (AAV) vectors demonstrate significant potential for targeted gene delivery.
  • Multiple AAV serotypes exhibit specific cell tropism, allowing for tailored therapeutic strategies.
  • Successful examples of AAV-based treatments showcase their efficacy in diverse clinical applications.

Conclusions:

  • Adeno-associated virus (AAV) vectors are highly effective and versatile tools for gene therapy.
  • The targeted delivery and long-term expression capabilities of AAV vectors pave the way for treating severe and fatal disorders.
  • AAV-based gene therapies represent a significant advancement in precision medicine.