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Explain the gene therapy. - Biology

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Answer in Brief

Explain the gene therapy.

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Gene therapy is the treatment of disease by replacing, altering, or supplementing a gene that is absent or abnormal and whose absence or abnormality is responsible for the disease.

The following are the different ways through which gene therapy is being used for the treatment of a disease or disorder:

  1. Replace missing or defective genes;
  2. Deliver genes that speed up the destruction of cancer cells;
  3. Supply genes that cause cancer cells to revert back to normal cells;
  4. Deliver bacterial or viral genes as a form of vaccination;
  5. Deliver DNA to antigen expression and generation of immune response;
  6. Supply of gene for impairing viral replication;
  7. Provide genes that promote or impede the growth of new tissue; and
  8. Deliver genes that stimulate the healing of damaged tissue.
Concept: Commercial Applications of Biotechnology
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Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 12 Biotechnology
Exercises | Q 4.3 | Page 292
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