noun[mass noun] Biochemistry
A substance present in saliva which consists of acyl derivatives of neuraminic acid.
- If scientists treat blood cells with an enzyme to remove sialic acid, the parasite can no longer invade.
- Biochemical markers of metastasis such as lung hydroxyproline, uronic acid, serum sialic acid and gammaglutamyl transpeptidase were estimated.
- Many pathogens use sugar groups of surface glycoproteins, in particular sialic acid residues, as receptors for invasion.
1950s: sialic from Greek sialon 'saliva' + -ic.
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