Article ; Online: Re-visiting humoral constitutive antibacterial heterogeneity in bloodstream infections.
The Lancet. Infectious diseases
2023 Volume 24, Issue 4, Page(s) e245–e251
Abstract: Although cellular immunity has garnered much attention in the era of single-cell technologies, humoral innate immunity has receded in priority due to its presumed limited roles. Hence, despite the long-recognised bactericidal activity of serum-a ... ...
| Abstract | Although cellular immunity has garnered much attention in the era of single-cell technologies, humoral innate immunity has receded in priority due to its presumed limited roles. Hence, despite the long-recognised bactericidal activity of serum-a functional characteristic of constitutive humoral immunity-much remains unclear regarding mechanisms underlying its inter-individual heterogeneity and clinical implications in bloodstream infections. Recent work suggests that the immediate antimicrobial effect of humoral innate immunity contributes to suppression of the excessive inflammatory responses to infection by reducing the amount of pathogen-associated molecular patterns. In this Personal View, we propose the need to re-explore factors underlying the inter-individual heterogeneity in serum antibacterial competence as a new approach to better understand humoral innate immunity and revisit the clinical use of measuring serum antibacterial activity in the management of bacterial bloodstream infections. Given the current emphasis on subtyping sepsis, a serum bactericidal assay might prove useful in defining a distinct sepsis endotype, to enable more personalised management. |
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| MeSH term(s) | Humans ; Sepsis/drug therapy ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/therapeutic use ; Bacterial Infections ; Bacteria ; Immunity, Innate |
| Chemical Substances | Anti-Bacterial Agents |
| Language | English |
| Publishing date | 2023-11-06 |
| Publishing country | United States |
| Document type | Journal Article ; Review |
| ZDB-ID | 2061641-7 |
| ISSN | 1474-4457 ; 1473-3099 |
| ISSN (online) | 1474-4457 |
| ISSN | 1473-3099 |
| DOI | 10.1016/S1473-3099(23)00494-2 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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