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Antiviral Res. 2001 Dec;52(3):225-39.

Antiviral activities of lactoferrin.

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Department of Pharmacokinetics and Drug Delivery, Groningen University Institute for Drug Exploration (GUIDE), A. Deusinglaan 1, 9713 AV Groningen, The Netherlands.


Lactoferrin (LF) is an iron binding glycoprotein that is present in several mucosal secretions. Many biological functions have been ascribed to LF. One of the functions of LF is the transport of metals, but LF is also an important component of the non-specific immune system, since LF has antimicrobial properties against bacteria, fungi and several viruses. This review gives an overview of the present knowledge about the antiviral activities and, when possible, the antiviral modes of action of this protein. Lactoferrin displays antiviral activity against both DNA- and RNA-viruses, including rotavirus, respiratory syncytial virus, herpes viruses and HIV. The antiviral effect of LF lies in the early phase of infection. Lactoferrin prevents entry of virus in the host cell, either by blocking cellular receptors, or by direct binding to the virus particles.

[Indexed for MEDLINE]

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