Skip to main content
Top
Published in: European Journal of Medical Research 1/2020

01-12-2020 | Joint Infection | Research

Antimicrobial peptides in human synovial membrane as (low-grade) periprosthetic joint infection biomarkers

Authors: Ingo J. Banke, Niko Stade, Peter M. Prodinger, Jutta Tübel, Alexander Hapfelmeier, Rüdiger von Eisenhart-Rothe, Martijn van Griensven, Hans Gollwitzer, Rainer Burgkart

Published in: European Journal of Medical Research | Issue 1/2020

Login to get access

Abstract

Background

Safe diagnosis of periprosthetic joint infection (PJI) is of utmost importance for successful exchange arthroplasty. However, current diagnostic tools show insufficient accuracy in the clinically common and challenging chronic low-grade infections. To close this diagnostic gap, reliable (bio)markers display the most promising candidates. Antimicrobial peptides (AMPs) are part of the innate immune response towards microbial growth. Recently we could show significant intraarticular levels of human cathelicidin LL-37 and β-defensin-3 (HBD-3) with high diagnostic accuracy in PJI synovial fluid. Consequently, these promising biomarkers were evaluated in PJI synovial membrane and synoviocytes, which may significantly facilitate histological diagnosis of PJI to improve outcome of septic joint replacement.

Methods

In this prospective single-center controlled clinical study (diagnostic level II), consecutive patients with total hip (THR) and knee (TKR) replacements were included undergoing primary arthroplasty (n = 8), surgical revision due to aseptic loosening (n = 9) and septic arthroplasty with coagulase-negative staphylococci (n = 8) according to the criteria of the Musculoskeletal Infection Society (MSIS). Semiquantitative immunohistochemical (IHC) analysis of LL-37, HBD-3 and HBD-2 in synovial membrane and isolated synoviocytes based on Total Allred Score (TS) and Immunoreactive Remmele and Stegner score (IRS) was performed. For statistical analysis, SPSS 26.0/R3.6.3 (p < 0.05) was used.

Results

The AMPs LL-37 and HBD-3 were significantly elevated (up to 20×) in synovial membranes from PJI compared to aseptic loosening or primary arthroplasty. The area under the curve (AUC) in a receiver operating characteristic curve analysis was equal to 1.0 for both scores revealing excellent diagnostic accuracy. Isolated synoviocytes as cellular AMP source showed comparable results with a significant LL-37/HBD-3-increase up to 3 × in PJI. In contrast, local HBD-2 levels were negligible (p > 0.23) upon PJI with a lower diagnostic accuracy (AUC = 0.65) in analogy to our previous findings with synovial fluid.

Conclusions

Our results implicate AMPs as promising and specific biomarkers for the histological diagnosis of PJI.
Literature
6.
go back to reference Parvizi J, Heller S, Berend KR, Della Valle CJ, Springer BD. Periprosthetic joint infection: the algorithmic approach and emerging evidence. Instr Course Lect. 2015;64:51–60.PubMed Parvizi J, Heller S, Berend KR, Della Valle CJ, Springer BD. Periprosthetic joint infection: the algorithmic approach and emerging evidence. Instr Course Lect. 2015;64:51–60.PubMed
9.
19.
go back to reference Morawietz L, Classen R-A, Schroeder JH, Dynybil C, Perka C, Skwara A, et al. Proposal for a histological consensus classification of the periprosthetic interface membrane. J Clin Pathol. 2006;59:591–7.CrossRef Morawietz L, Classen R-A, Schroeder JH, Dynybil C, Perka C, Skwara A, et al. Proposal for a histological consensus classification of the periprosthetic interface membrane. J Clin Pathol. 2006;59:591–7.CrossRef
20.
go back to reference Paulsen F, Pufe T, Conradi L, Varoga D, Tsokos M, Papendieck J, et al. Antimicrobial peptides are expressed and produced in healthy and inflamed human synovial membranes. J Pathol. 2002;198:369–77.CrossRef Paulsen F, Pufe T, Conradi L, Varoga D, Tsokos M, Papendieck J, et al. Antimicrobial peptides are expressed and produced in healthy and inflamed human synovial membranes. J Pathol. 2002;198:369–77.CrossRef
26.
go back to reference Remmele W, Stegner HE. Recommendation for uniform definition of an immunoreactive score (IRS) for immunohistochemical estrogen receptor detection (ER-ICA) in breast cancer tissue. Pathologe. 1987;8(3):138–40.PubMed Remmele W, Stegner HE. Recommendation for uniform definition of an immunoreactive score (IRS) for immunohistochemical estrogen receptor detection (ER-ICA) in breast cancer tissue. Pathologe. 1987;8(3):138–40.PubMed
27.
go back to reference Allred DC, Harvey JM, Berardo M, Clark GM. Prognostic and predictive factors in breast cancer by immunohistochemical analysis. Mod Pathol. 1998;11(2):155–68.PubMed Allred DC, Harvey JM, Berardo M, Clark GM. Prognostic and predictive factors in breast cancer by immunohistochemical analysis. Mod Pathol. 1998;11(2):155–68.PubMed
30.
Metadata
Title
Antimicrobial peptides in human synovial membrane as (low-grade) periprosthetic joint infection biomarkers
Authors
Ingo J. Banke
Niko Stade
Peter M. Prodinger
Jutta Tübel
Alexander Hapfelmeier
Rüdiger von Eisenhart-Rothe
Martijn van Griensven
Hans Gollwitzer
Rainer Burgkart
Publication date
01-12-2020
Publisher
BioMed Central
Published in
European Journal of Medical Research / Issue 1/2020
Electronic ISSN: 2047-783X
DOI
https://doi.org/10.1186/s40001-020-00434-1

Other articles of this Issue 1/2020

European Journal of Medical Research 1/2020 Go to the issue