Cited by 42Immune Response and InflammationAntimicrobial Peptides and ActivitiesNF-κB Signaling Pathways

Lysozyme-Induced Transcriptional Regulation of TNF-α Pathway Genes in Cells of the Monocyte Lineage

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Bergamo, Alberta, Gerdol, Marco, Pallavicini, Alberto, Greco, Samuele, Schepens, Isabelle, Hamelin, Romain, Armand, Florence, Dyson, Paul J. +1 more·2019·International Journal of Molecular Sciences

Abstract

Lysozyme is one of the most important anti-bacterial effectors in the innate immune system of animals. Besides its direct antibacterial enzymatic activity, lysozyme displays other biological properties, pointing toward a significant anti-inflammatory effect, many aspects of which are still elusive. Here we investigate the perturbation of gene expression profiles induced by lysozyme in a monocyte cell line in vitro considering a perspective as broad as the whole transcriptome profiling. The results of the RNA-seq experiment show that lysozyme induces transcriptional modulation of the TNF-α/IL-1β pathway genes in U937 monocytes. The analysis of transcriptomic profiles with IPA® identified a simple but robust molecular network of genes, in which the regulation trends are fully consistent with the anti-inflammatory activity of lysozyme. This study provides the first evidence in support of the anti-inflammatory action of lysozyme on the basis of transcriptomic regulation data resulting from the broad perspective of a whole-transcriptome profiling. Such important effects can be achieved with the supplementation of relatively low concentrations of lysozyme, for a short time of exposure. These new insights allow the potential of lysozyme in pharmacological applications to be better exploited.

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Authors
Bergamo, A., Gerdol, M., Pallavicini, A., Greco, S., Schepens, I., Hamelin, R., Armand, F., Dyson, P. J., & Sava, G.
Affiliations
  • Callerio Foundation Onlus, 34127 Trieste, Italy
  • University of Trieste (IT)
  • École Polytechnique Fédérale de Lausanne (CH)
Corresponding author
Bergamo, Alberta
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2019-11-05
Volume
20
Issue
21
Pages
5502
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2984064714
Cited by
42
References
65
Citations by year
2026: 4 · 2025: 12 · 2024: 7 · 2023: 8 · 2022: 5 · 2021: 4 · 2020: 2
FWCI
1.10
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ArTS Archivio della ricerca di Trieste (University of Trieste https://www.units.it/) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
École Polytechnique Fédérale de Lausanne
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Microbiology › Antimicrobial Peptides and Activities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
lysozyme, anti-inflammatory activity, transcriptional regulation, monocytes, U937 cells, gene expression profiling, innate immunity, transcriptome, molecular networks
MeSH terms
Cell Line, Humans, Inflammation, Monocytes, Muramidase, Tumor Necrosis Factor-alpha, Signal Transduction, Transcriptional Activation, Interleukin-1beta, Transcriptome

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