Evidence map›Paper›PMID 23297385›Full record

ArticleInfection and immunity2013

The K1 capsular polysaccharide from Acinetobacter baumannii is a potential therapeutic target via passive immunization.

Thomas A Russo, Janet M Beanan, Ruth Olson, Ulrike MacDonald, Andrew D Cox, Frank St Michael, Evgeny V Vinogradov, Brad Spellberg, Nicole R Luke-Marshall, Anthony A Campagnari

Open access · bronzeAbstract read
In one paragraph

Article in Infection and immunity, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
79citing papers in PubMed, 2 pooled it
3.5field-weighted citation impact, top 6% 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

79 citing papers in PubMed, 2 syntheses or guidelines pooled it, 155 citations in OpenAlex.

  1. Data-driven Atlas ofFrontiers in cellular and infection microbiology · 2026
    Pooled it
  2. Pooled it
  3. Monoclonal Antibodies Targeting Bacterial Infections: A Broad Review of the Field.BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy · 2026
    Review
  4. Article
  5. Article
  6. Article
  7. Antivirulence drugs against Acinetobacter baumannii: where do they stand?World journal of microbiology & biotechnology · 2025
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Frontiers in antibiotics · 2024
    Review
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Structural diversity amongFrontiers in microbiology · 2023
    Article

19 more citing papers are in PubMed but not listed here.

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

10 authors at 5 institutions in 2 countries.

Thomas A RussoVeterans Administration Western New York Healthcare System, University at Buffalo-State University of New York, Buffalo, New York, USA. trusso@acsu.buffalo.edu
Janet M Beanan
Ruth Olson
Ulrike MacDonald
Andrew D Cox
Frank St Michael
Evgeny V Vinogradov
Brad Spellberg
Nicole R Luke-Marshall
Anthony A Campagnari
University at Buffalo, State University of New York · USInstitute for Biological Sciences · CALos Angeles Medical Center · USNational Academies of Sciences, Engineering, and Medicine · USVA Western New York Healthcare System · US

Funding

Identification of genes essential for survival of hypervirulent Kleb. pneumoniaeR21AI088318 · NIAID · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI RUSSO, THOMAS A · 2011 to 2012
$436k
Analysis of Novel Acinetobacter baumannii AdhesinsR21AI101426 · NIAID · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI CAMPAGNARI, ANTHONY A · 2012 to 2013
$424k
NIAID NIH HHS 1R21AI088318-01A1NIAID NIH HHS 1R21 AI101426-01NIAID NIH HHS R21 AI088318NIAID NIH HHS R21 AI101426
6 · The paper itself

Abstract

The emergence of extremely resistant and panresistant Gram-negative bacilli, such as Acinetobacter baumannii, requires consideration of nonantimicrobial therapeutic approaches. The goal of this report was to evaluate the K1 capsular polysaccharide from A. baumannii as a passive immunization target. Its structure was determined by a combination of mass spectrometric and nuclear magnetic resonance (NMR) techniques. Molecular mimics that might raise the concern for autoimmune disease were not identified. Immunization of CD1 mice demonstrated that the K1 capsule is immunogenic. The monoclonal antibody (MAb) 13D6, which is directed against the K1 capsule from A. baumannii, was used to determine the seroprevalence of the K1 capsule in a collection of 100 A. baumannii strains. Thirteen percent of the A. baumannii isolates from this collection were seroreactive to MAb 13D6. Opsonization of K1-positive strains, but not K1-negative strains, with MAb 13D6 significantly increased neutrophil-mediated bactericidal activity in vitro (P < 0.05). Lastly, treatment with MAb 13D6 3 and 24 h after bacterial challenge in a rat soft tissue infection model resulted in a significant decrease in the growth/survival of a K1-positive strain compared to that of a K1-negative strain or to treatment with a vehicle control (P < 0.0001). These data support the proof of principle that the K1 capsule is a potential therapeutic target via passive immunization. Other serotypes require assessment, and pragmatic challenges exist, such as the need to serotype infecting strains and utilize serotype-specific therapy. Nonetheless, this approach may become an important therapeutic option with increasing antimicrobial resistance and a diminishing number of active antimicrobials.

Indexed as

Acinetobacter baumanniiAcinetobacter InfectionsAnimalsAntibodies, MonoclonalAntigens, BacterialBacterial CapsulesBacterial VaccinesEpitopesFlow CytometryGene Expression Regulation, BacterialImmunization, PassiveMagnetic Resonance SpectroscopyMaleMass SpectrometryMicePolysaccharides, BacterialAntibodies, MonoclonalAntigens, BacterialBacterial Vaccinescapsular polysaccharide K1EpitopesPolysaccharides, Bacterial

Identifiers

PMID23297385
PMCPMC3584894
OpenAlexW2113375673

What OpenQuestion holds

Textmetadata
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.