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Immunoregulatory role of lactoferrin-lipopolysaccharide interactions

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Abstract

Lactoferrin (Lf) is a mammalian exclusive protein widely distributed in milk and exocrine secretions exhibiting multifunctional properties. Many of the proven or proposed functions of Lf, apart from its iron binding activity, depend on its capacity to bind to other macromolecules. Lf can bind and sequester lipopolysaccharide (LPS), thus preventing pro-inflammatory pathway activation, sepsis and tissue damage. However, the interplay between Lf and LPS is complex, and may result in different outcomes, including both suppression of the inflammatory response and immune activation. These findings are critically relevant in the development of Lf-based therapeutic interventions in humans. Understanding the molecular basis and functional consequences of Lf-LPS interaction will provide insights for determining its role in health and disease.

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  1. Department of Cell Biology and Neurosciences, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy

    Patrizia Puddu, Daniela Latorre & Sandra Gessani

  2. Department of Public Health Sciences, University of Rome, Sapienza, Italy

    Piera Valenti

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  1. Patrizia Puddu
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  2. Daniela Latorre
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Correspondence to Sandra Gessani.

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Puddu, P., Latorre, D., Valenti, P. et al. Immunoregulatory role of lactoferrin-lipopolysaccharide interactions. Biometals 23, 387–397 (2010). https://doi.org/10.1007/s10534-010-9307-3

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