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Gene Therapy

Gene Therapy

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 inserted. The...

Gene Therapy

Gene Therapy

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 inserted. The...

iPS Cell Differentiation

iPS Cell Differentiation

The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.

Immunodeficiency Diseases

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...

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Related Experiment Video

Updated: Jul 9, 2026

A Non-random Mouse Model for Pharmacological Reactivation of Mecp2 on the Inactive X Chromosome

A Non-random Mouse Model for Pharmacological Reactivation of Mecp2 on the Inactive X Chromosome

Published on: May 22, 2019

[Gene therapy of SCID-X1].

C Baum¹, A Schambach, U Modlich

¹Medizinische Hochschule Hannover, BRD. baum.christopher@mh-hannover.de

Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz

|November 30, 2007

Summary

X-linked severe combined immunodeficiency (SCID-X1) is a fatal genetic disorder. Gene therapy offers a promising treatment by correcting the IL2RG gene, but carries a risk of leukemia due to vector integration.

Area of Science:

Immunology
Genetics
Molecular Biology

Context:

X-linked severe combined immunodeficiency (SCID-X1) is a severe inherited immune disorder.
Caused by mutations in the IL2RG gene, leading to defects in T cells, NK cells, and B cells.
Standard treatments include bone marrow transplantation, which has limitations.

Purpose:

To review the current understanding and treatment of SCID-X1.
To highlight the development and outcomes of gene therapy for SCID-X1.
To address the safety concerns associated with gene therapy vectors.

Summary:

Gene therapy involves introducing a functional IL2RG-cDNA copy to correct the genetic defect.
This approach has shown high efficacy in young children with SCID-X1.

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Linear Amplification Mediated PCR – Localization of Genetic Elements and Characterization of Unknown Flanking DNA

Linear Amplification Mediated PCR – Localization of Genetic Elements and Characterization of Unknown Flanking DNA

Published on: June 25, 2014

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Last Updated: Jul 9, 2026

A Non-random Mouse Model for Pharmacological Reactivation of Mecp2 on the Inactive X Chromosome

A Non-random Mouse Model for Pharmacological Reactivation of Mecp2 on the Inactive X Chromosome

Published on: May 22, 2019

Linear Amplification Mediated PCR – Localization of Genetic Elements and Characterization of Unknown Flanking DNA

Linear Amplification Mediated PCR – Localization of Genetic Elements and Characterization of Unknown Flanking DNA

Published on: June 25, 2014

Leukemia has occurred in some patients due to proto-oncogene activation by vector integration.

Impact:

Gene therapy represents a significant advancement in treating SCID-X1.
Understanding vector integration mechanisms is crucial for improving safety.
Future clinical trials aim to refine vector technology and protocols to mitigate risks.