: a phenolic amino acid C9H11NO3 that is a precursor of several important substances (such as epinephrine and melanin)
Example Sentences
Recent Examples on the WebTurning Point’s top drug candidate, repotrectinib, has the potential to be a best-in-class tyrosine kinase inhibitor targeting drivers of non-small cell lung cancer and other advanced solid tumors, according to Bristol. Mike Freeman, San Diego Union-Tribune, 3 June 2022 For example, tyrosine kinase inhibitors (TKIs) have shown better efficacy in treating those of East Asian descent with non-small cell lung cancer compared to other population cohorts. Stephane Budel, Forbes, 26 May 2021 There’s no technological reason why a researcher couldn’t have switched the codons for one amino acid, like tyrosine, into the codons for another one, like alanine. Ethan Siegel, Forbes, 20 May 2021 One reason is fewer people are smoking, and improved treatments like epidermal growth-factor receptor tyrosine-kinase inhibitor are able to target non-small cell lung cancer mutations. The Editorial Board, WSJ, 14 Jan. 2021 In blood cancers and some solid tumors, two of the current therapeutic targets that have garnered much interest are the proteins BCL-2 and Bruton tyrosine kinase (BTK).Scientific American, 1 Dec. 2020 His tyrosine is part of a long chain that makes a protein, also called XIAP. Mark Johnson And Kathleen Gallagher, Milwaukee Journal Sentinel, 21 Dec. 2010 But in Nicholas, the one-letter change produces an entirely different amino acid, tyrosine. Mark Johnson And Kathleen Gallagher, Milwaukee Journal Sentinel, 21 Dec. 2010 Other cancer therapies, such as a class of drugs known as Bruton's tyrosine kinase inhibitors, may be protective and are being tested in coronavirus patients without cancer. Emily Woodruff, NOLA.com, 6 Aug. 2020 See More
Word History
Etymology
International Scientific Vocabulary, irregular from Greek tyros cheese — more at butter
First Known Use
1857, in the meaning defined above
Medical Definition
tyrosine
noun
ty·ro·sine ˈtī-rə-ˌsēn
: a phenolic amino acid C9H11NO3 that is a precursor of several important substances (as epinephrine and melanin)—abbreviation Tyr