Related Experiment Video

Updated: Aug 20, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

[Statistical evaluation of chronic granulomatous disease in Japan and basic studies for gene therapy for CGD

H Nunoi1, F Ishibashi

  • 1Department of Pediatrics, Kumamoto University School of Medicine.

Rinsho Byori. the Japanese Journal of Clinical Pathology
|August 12, 1999
PubMed

Insights

This study developed novel retroviral vectors for gene therapy in Chronic Granulomatous Disease (CGD), successfully correcting the genetic defect in patient cells and offering a promising new treatment for this inherited immune deficiency.

Area of Science:

  • Immunology
  • Genetics
  • Molecular Biology

Context:

  • Chronic Granulomatous Disease (CGD) is a severe inherited immune deficiency affecting phagocyte NADPH oxidase function.
  • Mutations in phox genes lead to impaired superoxide production, increasing susceptibility to infections.
  • Current treatments include antibiotics, IFN-gamma, and bone marrow transplantation, but gene therapy offers a promising alternative.

Purpose:

  • To develop and evaluate novel retroviral vectors for gene therapy in CGD.
  • To achieve efficient transduction of the gp91-phox gene into patient-derived cells.
  • To demonstrate functional correction of the oxidase defect in CGD models.

Summary:

  • Two retroviral vectors, MFGS-gp91/293 SPA and pHa-MDR-IRES-gp91/PA317, were constructed for delivering the gp91-phox gene.
  • High-efficiency transduction and functional correction of the oxidase were observed in CGD cell lines.
  • Successful transduction of gp91-phox into CD34+ hematopoietic stem cells from CGD patients was demonstrated.

Impact:

  • The developed gene therapy vectors show feasibility for clinical application in CGD treatment.
  • This research paves the way for more effective and potentially curative therapies for CGD patients.
  • The combination of the 293-SPA packaging system and bicistronic retrovirus with MDR1 enhances CGD gene therapy potential.

More Related Videos

Induction of Intestinal Graft-versus-host Disease and Its Mini-endoscopic Assessment in Live Mice09:50

Induction of Intestinal Graft-versus-host Disease and Its Mini-endoscopic Assessment in Live Mice

Published on: February 11, 2019

Induction and Scoring of Graft-Versus-Host Disease in a Xenogeneic Murine Model and Quantification of Human T Cells in Mouse Tissues using Digital PCR06:06

Induction and Scoring of Graft-Versus-Host Disease in a Xenogeneic Murine Model and Quantification of Human T Cells in Mouse Tissues using Digital PCR

Published on: May 23, 2019

Related Concept Videos

Gene Therapy00:59

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...
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...