ArticleBiometals : an international journal on the role of metal ions in biology, biochemistry, and medicine2023
Lactoferrin and its digestive peptides induce interferon-α production and activate plasmacytoid dendritic cells ex vivo.
Article in Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 11 citations in OpenAlex.
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- Whey Proteins and Immunity: Mechanisms Underlying Immune System Reinforcement and Protection Against Viral and Bacterial Infections.Nutrients · 2026Review
- Bovine Lactoferrin Modulates Mononuclear Cell Activity in Human Palatine Tonsils.International journal of molecular sciences · 2026Article
- Oral lactoferrin reduces systemic inflammation, enhances anti-viral responses and modulates immune cell profiles: a randomised controlled trial in healthy, older adults.The British journal of nutrition · 2026Article
- Bovine Lactoferrin Enhances Toll-like Receptor 7 Response in Plasmacytoid Dendritic Cells and Modulates Cellular Immunity.International journal of molecular sciences · 2024Article
- Lactoferrin, a Great Wall of host-defence?Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2023Article
- Lactoferrin, a Great Wall of host-defence?Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2023Article
- Time to Kill and Time to Heal: The Multifaceted Role of Lactoferrin and Lactoferricin in Host Defense.Pharmaceutics · 2023Review
- Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plasmacytoid dendritic cells (pDCs) recognise viral single-stranded RNA (ssRNA) or CpG DNA via Toll-like receptor (TLR)-7 and TLR9, and produce interferon (IFN)-α. Activated pDCs upregulate human leukocyte antigen (HLA)-DR and CD86 expression levels. Ingestion of bovine lactoferrin (LF) activates pDCs, but little is known about its effects. In this study, the effects of LF and its pepsin hydrolysate (LFH) on the production of IFN-α from peripheral blood mononuclear cells (PBMCs) and pDCs were examined. PBMCs were prepared from peripheral blood of healthy adults and incubated with LF, LFH, or lactoferricin (LFcin) in the absence or presence of ssRNA derived from human immunodeficiency virus. The concentration of IFN-α in the supernatant and the expression levels of IFN-α, HLA-DR, and CD86 in pDCs were quantified by enzyme-linked immunosorbent assay and flow cytometry. In the absence of ssRNA, the concentration of IFN-α was negligible and LF had no effect on it. In the presence of ssRNA, IFN-α was detected at a certain level, and LF and LFH significantly increased its concentration. The increase caused by LFH and LFcin were comparable. In addition, LF significantly upregulated the expression levels of IFN-α, HLA-DR, and CD86 in pDCs. LF and its digestive peptides induced IFN-α production and activated pDCs in the presence of ssRNA, suggesting that LF modulates the immune system by promoting pDC activation upon viral recognition.
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Registered trials
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