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
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The $400 million initiative includes plans to develop new genetic therapies — a term that includes gene editing as well as traditional gene therapy — for diseases including Alzheimer's, Parkinson's, ALS, Lewy body dementia and Huntington's. Jon Hamilton, NPR, 3 June 2026 Under former Commissioner Marty Makary, who resigned last month, several initial rejections were issued to companies seeking to market rare disease drugs and gene therapies. Ed Silverman, STAT, 2 June 2026 For instance, companies like Cohere Health and ZeOmega are using AI to streamline burdensome processes such as prior authorizations while Aradigm is building novel financing structures for breakthrough cell and gene therapies, where single treatments can exceed $3 million. Bill Oldham, Forbes.com, 1 June 2026 Advertisement The only side effect of note is that the drug temporarily causes higher levels of a liver enzyme, says Kathiresan, reflecting the fact that the gene therapy targets liver cells and initially may disrupt levels of liver compounds. Alice Park, Time, 28 May 2026 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 9 Jun. 2026.

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

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