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Related Concept Videos

Gene Therapy00:59

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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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To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Related Experiment Video

Updated: Mar 29, 2026

Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells
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Regulated Gene Therapy.

Ludivine Breger1, Erika Elgstrand Wettergren1, Luis Quintino1

  • 1Department of Experimental Medical Sciences, CNS Gene Therapy Unit, Wallenberg Neuroscience Center, Lund University, BMC A11, 221 84, Lund, Sweden.

Methods in Molecular Biology (Clifton, N.J.)
|November 28, 2015
PubMed
Summary

Gene therapy for neurological disorders needs controllable gene expression. This review explores methods like tetracycline-controlled transcription and destabilizing domains for safer, reversible gene modifications.

Keywords:
Destabilizing domainDoxycyclinePromoterTet-responsiveTrimethoprimZinc finger-based transcription factor

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Area of Science:

  • Neuroscience
  • Genetics
  • Molecular Biology

Background:

  • Gene therapy offers potential for treating neurological disorders by modifying gene expression.
  • A key challenge in gene therapy is the irreversible nature of transgene expression.
  • Controlled transgene expression is crucial for safe and effective long-term gene therapy.

Purpose of the Study:

  • To provide an overview of current regulatory systems for gene therapy in neurological disorders.
  • To discuss methods for fine-tuning transgene expression after in vivo delivery.
  • To examine the advantages and disadvantages of different molecular control strategies.

Main Methods:

  • Review of existing regulatory systems for gene therapy.
  • Analysis of transcriptional and post-translational regulation methods.
  • Examination of antibiotic-inducible systems (e.g., tetracycline-controlled transcription) and destabilizing domain technology.
  • Investigation of disease-regulated promoters.

Main Results:

  • External regulation using antibiotics offers control over gene expression and protein levels.
  • Destabilizing domain technology allows for modulation of protein stability and degradation.
  • Disease-specific promoters can dynamically adjust transgene expression based on disease progression or regression.
  • Various methods provide different levels of control, each with unique benefits and limitations.

Conclusions:

  • Regulated gene therapy systems are essential for managing neurological disorders.
  • External and internal regulatory mechanisms offer promising strategies for controlling transgene expression.
  • Careful consideration of advantages and drawbacks is necessary for selecting appropriate methods for central nervous system gene therapy.