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uridine

American  
[yoor-i-deen, -din] / ˈyʊər ɪˌdin, -dɪn /

noun

Biochemistry.
  1. a ribonucleoside composed of ribose and uracil.


uridine British  
/ ˈjʊərɪˌdiːn /

noun

  1. biochem a nucleoside present in all living cells in a combined form, esp in RNA

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of uridine

C20: from uro- 1 + -ide + -ine ²

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers say cancer cells need to run out of pyrimidine building blocks, including uridine nucleotides, before the cells will self-destruct.

From Science Daily • Nov. 26, 2024

The irony, researchers say, is that a low-glucose tumor microenvironment is in turn slowing down cellular consumption of uridine nucleotides and presumably slowing down rates of cell death.

From Science Daily • Nov. 26, 2024

Some researchers have cautioned that self-amplifying vaccines cannot use an mRNA modification that is key to the Moderna and Pfizer-BioNTech vaccines: the replacement of the natural RNA building block uridine with pseudouridine.

From Science Magazine • Apr. 21, 2022

The compound can shift its configuration, sometimes mimicking the nucleoside cytidine and sometimes mimicking uridine.

From Scientific American • Oct. 12, 2021

To avoid triggering inflammation, the researchers replaced some of the RNA's molecular building blocks — the nucleosides uridine and cytidine — with pseudouridine and 5-methylcytidine.

From Nature • Jun. 2, 2015