gene therapy

noun

: the insertion of usually genetically altered genes into cells especially to replace defective genes in the treatment of genetic disorders or to provide a specialized disease-fighting function
gene therapist noun

Examples of gene therapy in a Sentence

advances in the science of gene therapy
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Regeneron researchers also believe this work will inform efforts to develop gene therapies for other parts of the body where, like in the inner ear, cells don’t divide. Lisa Jarvis, Twin Cities, 19 Oct. 2025 Using cryopreservation also allows for more comprehensive testing and quality control before treatment, and more precise dosing of the chemotherapy used to prepare patients for the gene therapy. New Atlas, 16 Oct. 2025 Applying gene therapy to the brain is especially challenging because such therapies typically do not cross the blood-brain barrier. Richard J. Price, The Conversation, 15 Oct. 2025 Scientists are also exploring gene therapy—implanting a gene that helps to inhibit blood vessel growth—in the hope of treating retinopathy with a one-time eye treatment. Liz Szabo, Scientific American, 14 Oct. 2025 See All Example Sentences for gene therapy

Word History

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of gene therapy was in 1970

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Cite this Entry

“Gene therapy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gene%20therapy. Accessed 25 Oct. 2025.

Kids Definition

gene therapy

noun
: the insertion of a functioning gene into cells especially to replace a defective gene in the treatment of genetic disorders

Medical Definition

gene therapy

noun
: the insertion of usually genetically altered genes into cells especially to replace defective genes in the treatment of genetic disorders or to provide a specialized disease-fighting function (as the destruction of tumor cells)
gene therapist noun

More from Merriam-Webster on gene therapy

Last Updated: - Updated example sentences
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