ArticleMicrobial cell factories2022
Targeting IL-6 by engineered Lactococcus lactis via surface-displayed affibody.
Article in Microbial cell factories, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 18 citations in OpenAlex.
- Review
- Construction of Synthetic Probiotic Bacteria for In Situ Delivery of Anti-SARS-CoV-2 Nanobodies.Probiotics and antimicrobial proteins · 2026Article
- Precision Antimicrobial Therapy Against Fusobacterium nucleatum Using Bioengineered Probiotics Expressing Guided Antimicrobial Peptides (gAMPs).Microbial biotechnology · 2025Article
- Anti-inflammatory effect of lamivudine on ulcerative colitis.Biochemistry and biophysics reports · 2025Article
- Incorporation of recombinant proteins into extracellular vesicles by Lactococcus cremoris.Scientific reports · 2025Article
- Engineered Probiotic-Based Biomaterials for Inflammatory Bowel Disease Treatment.Theranostics · 2025Review
- Postbiotics derived from recombinant lactic acid bacteria exhibit high IL6-binding capacity and suppress IL6-induced STAT3 signaling.Frontiers in microbiology · 2025Article
- Recent advances in bacteria-based platforms for inflammatory bowel diseases treatment.Exploration (Beijing, China) · 2024Review
- Genetically Engineered Microorganisms and Their Impact on Human Health.International journal of clinical practice · 2024Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
backgroundDysregulated production of interleukin (IL)-6 is implicated in the pathology of inflammatory bowel disease (IBD). Neutralization of IL-6 in the gut by safe probiotic bacteria may help alleviate intestinal inflammation. Here, we developed Lactococcus lactis with potent and selective IL-6 binding activity by displaying IL-6-specific affibody on its surface.
resultsAnti-IL-6 affibody (designated as ZIL) was expressed in fusion with lactococcal secretion peptide Usp45 and anchoring protein AcmA. A high amount of ZIL fusion protein was detected on bacterial surface, and its functionality was validated by confocal microscopy and flow cytometry. Removal of IL-6 from the surrounding medium by the engineered L. lactis was evaluated using enzyme-linked immunosorbent assay. ZIL-displaying L. lactis sequestered recombinant human IL-6 from the solution in a concentration-dependent manner by up to 99% and showed no binding to other pro-inflammatory cytokines, thus proving to be highly specific for IL-6. The removal was equally efficient across different IL-6 concentrations (150-1200 pg/mL) that were found to be clinically relevant in IBD patients. The ability of engineered bacteria to capture IL-6 from cell culture supernatant was assessed using immunostimulated human monocytic cell lines (THP-1 and U-937) differentiated into macrophage-like cells. ZIL-displaying L. lactis reduced the content of IL-6 in the supernatants of both cell lines in a concentration-dependent manner by up to 94%. Dose response analysis showed that bacterial cell concentrations of 10
conclusionThe ability of ZIL-displaying L. lactis to bind pathological concentrations of IL-6 at common bacterial doses suggests physiological significance.
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