Lactoferrin
Lactoferrin - Related Videos
06:28
Immunofluorescence to Monitor the Cellular Uptake of Human Lactoferrin and its Associated Antiviral Activity Against the Hepatitis C Virus
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Cited by 9 •
2015
The human lactoferrin (hLF) is a component of the immune system. In this study, immunofluorescence assays are used to demonstrate both the hepatocellular uptake of hLF and a qualitative reduction in the hepatitis C virus replication upon treatment with hLF.
03:27
Preparing Cells to Analyze Intracellular Uptake and Activity of an Antiviral Agent
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2026
Source: Allaire, A., et al. Immunofluorescence to Monitor the Cellular Uptake of Human Lactoferrin and its Associated Antiviral Activity Against the Hepatitis C Virus. J. Vis. Exp. (2015).The video demonstrates the procedure for preparing cells to assess the intracellular uptake and activity of an antiviral agent against the hepatitis C virus.
20:23
A Lectin HPLC Method to Enrich Selectively-glycosylated Peptides from Complex Biological Samples
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Cited by 13 •
2009
Lectin-conjugated POROS beads were employed for HPLC. Glycopeptide standards served as positive and negative controls. MARS-14 depleted, trypsin-digested human plasma was chromatographed and flow-through (FT) and bound fractions collected for ESI-LC-MS/MS analyses. Glycopeptides were enriched in the bound fraction as compared to FT.
FAQs
By capturing ferric ions with high affinity, lactoferrin reduces the iron available to microorganisms. This creates a form of nutritional pressure at sites where the protein is present, linking metal regulation to innate defense. In biology, this mechanism helps explain why lactoferrin is examined in infection research alongside broader host-microbe interactions.
Binding iron is only one part of lactoferrin’s activity. Interactions with microbial surfaces can influence adhesion and membrane stability, giving researchers additional mechanisms to examine beyond resource limitation. These effects are relevant when studying how host molecules shape microbial contact with tissues and how surface-level interactions contribute to mucosal defense.
Lactoferrin can interact with host immune components, so its biological significance extends beyond direct effects on microorganisms. These interactions are examined in relation to inflammatory responses, helping connect iron regulation and microbial contact with broader immune behavior. This perspective is important for understanding lactoferrin as part of integrated innate defense rather than as an isolated antimicrobial factor.
Mucosal secretions such as milk, saliva, and tears provide biological settings in which lactoferrin’s activities can be examined. At these interfaces, researchers can consider iron availability, microbial adhesion, membrane stability, and inflammatory responses together. This makes the protein useful for investigating how host surfaces coordinate nutritional regulation with protection against microorganisms.
Lactoferrin research can examine how iron regulation intersects with infection processes, host-microbe interactions, and nutritional biology. Studies may focus on its presence in mammalian secretions, its effects on microbial access to iron, or its relationships with immune responses. These areas provide context for interpreting lactoferrin within both defense and iron-regulation research.
Its combination of iron sequestration, microbial-surface interactions, and immunomodulatory activity supports investigation across several application areas. Therapeutic research considers its relevance to infection and inflammatory biology, while food and biotechnology research draws on its occurrence in mammalian secretions and its links to nutrition and host defense. These applications remain connected to its underlying biological mechanisms.