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.
The Food and Drug Administration approved on Thursday a gene therapy for severe leukocyte adhesion deficiency type 1 (LAD-1), an ultra-rare disease that leaves children vulnerable to life-threatening infections. Jason Mast, STAT, 26 Mar. 2026 Prasad's latest ouster follows a string of high-profile controversies involving the FDA's review of vaccines, gene therapies and biotech drugs in which companies have criticized the agency for reversing itself, in some cases calling for new trials of products previously greenlighted by regulators. CBS News, 7 Mar. 2026 Prasad briefly stepped down in July, after less than three months on the job, following disputes over the FDA’s decision to pause shipments of a gene therapy for Duchenne muscular dystrophy, a neuromuscular disorder. Aria Bendix, NBC news, 6 Mar. 2026 Criticism of Prasad had been growing and reached a fever pitch when the FDA’s Makary, in an interview with CNBC’s Becky Quick last week, appeared to criticize UniQure’s gene therapy for Huntington’s disease. Jacob Pramuk,angelica Peebles, CNBC, 6 Mar. 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 29 Mar. 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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