sialic acid

noun

Definition of sialic acid 

: any of a group of reducing amido acids that are essentially carbohydrates and are found especially as components of blood glycoproteins and mucoproteins

Examples of sialic acid in a Sentence

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This area docks with protrusions of carbohydrate molecules called sialic acids that bristle from cells. Bradley J. Fikes, sandiegouniontribune.com, "By luck, Scripps Research scientists find clue to a powerful new class of flu drugs," 2 Apr. 2018 But this effort has failed, because the sialic acid receptor only binds weakly. Bradley J. Fikes, sandiegouniontribune.com, "By luck, Scripps Research scientists find clue to a powerful new class of flu drugs," 2 Apr. 2018 Influenza viruses famously do this by latching onto sialic acids that hang on the outside of human cells in the respiratory tract. Beth Mole, Ars Technica, "Virus fished from pond cures man’s deadly antibiotic-resistant infection," 20 Mar. 2018 What appears most novel is that unlike the previous studies, the glycans involved here terminate in a common form of human sugar called sialic acid. Bradley J. Fikes, sandiegouniontribune.com, "New clues to making an effective HIV vaccine found by Scripps Research scientists," 18 Sep. 2017 And that’s where the sialic acid remnant could help. Bradley J. Fikes, sandiegouniontribune.com, "Fossil molecule may help identify human ancestors," 11 Sep. 2017 This particular sialic acid, Neu5Gc, is made by many animals and all apes except humans. Bradley J. Fikes, sandiegouniontribune.com, "Fossil molecule may help identify human ancestors," 11 Sep. 2017 Bertozzi studies sialic acid, a sugar that’s denser in cancer cells than in other cells. Erin Blakemore, Washington Post, "Cancer cells may trick immune system with sugary coating," 10 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sialic acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sialic acid

1952, in the meaning defined above

History and Etymology for sialic acid

Greek sialon saliva

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Dictionary Entries near sialic acid

sialagogue

Sialia

sialic

sialic acid

sialid

Sialidae

Sialis

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The first known use of sialic acid was in 1952

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More Definitions for sialic acid

sialic acid

noun
si·al·ic acid | \(ˌ)sī-ˌal-ik- \

Medical Definition of sialic acid 

: any of a group of reducing amido acids that are essentially carbohydrates and are found especially as components of blood glycoproteins and mucoproteins

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