Evidence map›Paper›PMID 23841817›Full record

ArticleBiomacromolecules2013

Tuning ligand density on intravenous hemostatic nanoparticles dramatically increases survival following blunt trauma.

Andrew J Shoffstall, Lydia M Everhart, Matthew E Varley, Eric S Soehnlen, Adam M Shick, Jeffrey S Ustin, Erin B Lavik

Abstract read
In one paragraph

Article in Biomacromolecules, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

19 citing papers in PubMed, 43 citations in OpenAlex.

  1. Article
  2. Review
  3. Transfusion biomaterials for hemostasis.Journal of thrombosis and haemostasis : JTH · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Development of a Sensitive Assay to Screen NanoparticlesACS biomaterials science & engineering · 2020
    Article
  8. Article
  9. Review
  10. Article
  11. Thrombin@FeScientific reports · 2018
    Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Hemostatic strategies for traumatic and surgical bleeding.Journal of biomedical materials research. Part A · 2014
    Review
  17. Intravenously administered nanoparticles increase survival following blast trauma.Proceedings of the National Academy of Sciences of the United States of America · 2014
    Article
  18. Review
  19. Article
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

7 authors at 2 institutions in 1 country.

Andrew J ShoffstallDepartment of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
Lydia M Everhart
Matthew E Varley
Eric S Soehnlen
Adam M Shick
Jeffrey S Ustin
Erin B Lavik
Case Western Reserve University · USCleveland Clinic · US

Funding

Clinically Translatable Nanotechnology: Hemostasis and NeuroprotectionDP2OD007338 · OD · CASE WESTERN RESERVE UNIVERSITY · PI LAVIK, ERIN BAKER · 2010 to 2010
$2.4M
NCCDPHP CDC HHS DP20D007338NIH HHS DP2 OD007338
6 · The paper itself

Abstract

Targeted nanoparticles are being pursued for a range of medical applications. Here we utilized targeted nanoparticles (synthetic platelets) to halt bleeding in acute trauma. One of the major questions that arises in the field is the role of surface ligand density in targeted nanoparticles' performance. We developed intravenous hemostatic nanoparticles (GRGDS-NP1) and previously demonstrated their ability to reduce bleeding following femoral artery injury and increase survival after lethal liver trauma in the rat. These nanoparticles are made from block copolymers, poly(lactic-co-glycolic acid)-b-poly L-lysine-b-poly(ethylene glycol). Surface-conjugated targeting ligand density can be tightly controlled with this system, and here we investigated the effect of varying density on hemostasis and biodistribution. We increased the targeting peptide (GRGDS) concentration 100-fold (GRGDS-NP100) and undertook an in vitro dose-response study using rotational thromboelastometry, finding that GRGDS-NP100 hemostatic nanoparticles were efficacious at doses at least 10 times lower than the GRGDS-NP1. These results were recapitulated in vivo, demonstrating efficacy at eight-fold lower concentration after lethal liver trauma. 1 h survival increased to 92% compared with a scrambled peptide control, 45% (OR = 14.4, 95% CI = [1.36, 143]), a saline control, 47% (OR = 13.5, 95% CI = [1.42, 125]), and GRGDS-NP1, 80% (OR = 1.30, n.s.). This work demonstrates the impact of changing synthetic platelet ligand density on hemostasis and lays the foundation for methods to determine optimal ligand concentration parameters.

Indexed as

Administration, IntravenousAnimalsHemorrhageHemostaticsLigandsLiverLiver DiseasesNanoparticlesOligopeptidesParticle SizePolyethylene GlycolsRatsRats, Sprague-DawleyThrombelastographyTissue DistributionWounds, Nonpenetratingglycyl-arginyl-glycyl-aspartyl-serineHemostaticsLigandsOligopeptidesPolyethylene Glycols

Identifiers

PMID23841817
PMCPMC3758899
OpenAlexW1964672193

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.