Evidence map›Paper›PMID 33069135›Full record

ArticleBiomaterials2021

Development of systemic immune dysregulation in a rat trauma model of biomaterial-associated infection.

Casey E Vantucci, Hyunhee Ahn, Travis Fulton, Mara L Schenker, Pallab Pradhan, Levi B Wood, Robert E Guldberg, Krishnendu Roy, Nick J Willett

Open access · greenAbstract read
In one paragraph

Article in Biomaterials, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.9field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
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  11. 2-DG Regulates Immune Imbalance on the Titanium Surface after Debridement.International journal of molecular sciences · 2023
    Article
  12. Journal of materials chemistry. B · 2023
    Article
  13. Review
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  15. Amniotic membrane attenuates heterotopic ossification following high-dose bone morphogenetic protein-2 treatment of segmental bone defects.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2023
    Article
  16. Review of immunological plasma markers for longitudinal analysis of inflammation and infection in rat models.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2022
    Review
  17. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 5 institutions in 1 country.

Casey E VantucciWallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA; Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA.
Hyunhee AhnThe Atlanta Veterans Affairs Medical Center Atlanta, Decatur, GA, USA; Department of Orthopaedics, Emory University, Atlanta, GA, USA.
Travis FultonThe Atlanta Veterans Affairs Medical Center Atlanta, Decatur, GA, USA; Department of Orthopaedics, Emory University, Atlanta, GA, USA.
Mara L SchenkerDepartment of Orthopaedics, Emory University, Atlanta, GA, USA; Grady Memorial Hospital, Atlanta, GA, USA.
Pallab PradhanParker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA.
Levi B WoodWallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA; Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
Robert E GuldbergKnight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA.
Krishnendu RoyWallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA; Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA. Electronic address: krishnendu.roy@bme.gatech.edu.
Nick J WillettThe Atlanta Veterans Affairs Medical Center Atlanta, Decatur, GA, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA; Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA; Department of Orthopaedics, Emory University, Atlanta, GA, USA. Electronic address: nick.willett@emory.edu.
The Wallace H. Coulter Department of Biomedical Engineering · USVeterans Health Administration · USGeorgia Institute of Technology · USGrady Memorial Hospital · USUniversity of Oregon · US

Funding

Immunoengineering Strategies for Musculoskeletal TraumaR01AR074960 · NIAMS · UNIVERSITY OF OREGON · PI GULDBERG, ROBERT E · 2020 to 2024
$2.5M
Immunoengineering strategies to improve healing following severe musculoskeletal traumaF31AR076922 · NIAMS · GEORGIA INSTITUTE OF TECHNOLOGY · PI VANTUCCI, CASEY E · 2020 to 2020
$46k
NIAMS NIH HHS F31 AR076922NIAMS NIH HHS R01 AR074960
6 · The paper itself

Abstract

Orthopedic biomaterial-associated infections remain a major clinical challenge, with Staphylococcus aureus being the most common pathogen. S. aureus biofilm formation enhances immune evasion and antibiotic resistance, resulting in a local, indolent infection that can persist long-term without symptoms before eventual hardware failure, bone non-union, or sepsis. Immune modulation is an emerging strategy to combat host immune evasion by S. aureus. However, most immune modulation strategies are focused on local immune responses at the site of infection, with little emphasis on understanding the infection-induced and orthopedic-related systemic immune responses of the host, and their role in local infection clearance and tissue regeneration. This study utilized a rat bone defect model to investigate how implant-associated infection affects the systemic immune response. Long-term systemic immune dysregulation was observed with a significant systemic decrease in T cells and a concomitant increase in immunosuppressive myeloid-derived suppressor cells (MDSCs) compared to non-infected controls. Further, the control group exhibited a regulated and coordinated systemic cytokine response, which was absent in the infection group. Multivariate analysis revealed high levels of MDSCs to be most correlated with the infection group, while high levels of T cells were most correlated with the control group. Locally, the infection group had attenuated macrophage infiltration and increased levels of MDSCs in the local soft tissue compared to non-infected controls. These data reveal the widespread impacts of an orthopedic infection on both the local and the systemic immune responses, uncovering promising targets for diagnostics and immunotherapies that could optimize treatment strategies and ultimately improve patient outcomes.

Indexed as

Myeloid-Derived Suppressor CellsStaphylococcal InfectionsAnimalsBiocompatible MaterialsBiofilmsRatsStaphylococcus aureusBiocompatible MaterialsImmune dysregulationMyeloid-derived suppressor cellsOrthopedic infectionSevere traumaStaphylococcus aureus

Identifiers

PMID33069135
PMCPMC8117743
OpenAlexW3088075082

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.