The use of sialidase therapy for respiratory viral infections.

Abstract:

:DAS181 is an inhaled bacterial sialidase which functions by removing sialic acid (Sia) from the surface of epithelial cells, preventing attachment and subsequent infection by respiratory viruses that utilize Sia as a receptor. DAS181 is typical of bacterial sialidases in cleaving Sia α2-3 and Sia α2-6 linkages, and it also has a demonstrated effect against acetylated and hydroxylated forms of Sia. The potency of the compound has been enhanced by coupling the active sialidase with an amphiregulin tag, allowing a longer duration of action and minimizing spread to the systemic circulation. DAS181 is now in Phase II development for the treatment of influenza, and it has also demonstrated activity in individual cases of parainfluenza in immunosuppressed patients. Continued evaluation of the roles and activities of bacterial sialidases is required to expand the range of successful antiviral therapies targeting Sia or its derivatives.

journal_name

Antiviral Res

journal_title

Antiviral research

authors

Nicholls JM,Moss RB,Haslam SM

doi

10.1016/j.antiviral.2013.04.012

subject

Has Abstract

pub_date

2013-06-01 00:00:00

pages

401-9

issue

3

eissn

0166-3542

issn

1872-9096

pii

S0166-3542(13)00098-3

journal_volume

98

pub_type

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