Biological process

down regulation of N-acylneuraminate glycohydrolase activity, down regulation of acetylneuraminidase activity, down regulation of acetylneuraminyl hydrolase activity, down regulation of alpha-neuraminidase activity, down regulation of exo-alpha-sialidase activity, down regulation of neuraminidase activity, down regulation of sialidase activity, down-regulation of N-acylneuraminate glycohydrolase activity, down-regulation of acetylneuraminidase activity, down-regulation of acetylneuraminyl hydrolase activity, down-regulation of alpha-neuraminidase activity, down-regulation of exo-alpha-sialidase activity, down-regulation of neuraminidase activity, down-regulation of sialidase activity, downregulation of N-acylneuraminate glycohydrolase activity, downregulation of acetylneuraminidase activity, downregulation of acetylneuraminyl hydrolase activity, downregulation of alpha-neuraminidase activity, downregulation of exo-alpha-sialidase activity, downregulation of neuraminidase activity, downregulation of sialidase activity, negative regulation of N-acylneuraminate glycohydrolase activity, negative regulation of acetylneuraminidase activity, negative regulation of acetylneuraminyl hydrolase activity, negative regulation of alpha-neuraminidase activity, negative regulation of neuraminidase activity, negative regulation of sialidase activity

Any process that stops, prevents or reduces the frequency, rate or extent of exo-alpha-sialidase activity.

human serum amyloid P component (SAP) P02743 inhibits viral neuraminidase, NA (exo-alpha-sialidase activity) demonstrated in Figure 4A PMID:23544079, (IDA)