Evidence map›Paper›PMID 22951320›Full record

ArticleBiomaterials2012

Selective local delivery of RANK siRNA to bone phagocytes using bone augmentation biomaterials.

Yuwei Wang, Kenny K Tran, Hong Shen, David W Grainger

Open access · greenAbstract read
In one paragraph

Article in Biomaterials, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
2.1field-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

17 citing papers in PubMed, 47 citations in OpenAlex.

  1. Review
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  9. Article
  10. Review
  11. Review
  12. Bone site-specific delivery of siRNA.Journal of biomedical research · 2016
    Review
  13. Article
  14. Article
  15. Local strategies to prevent and treat osteoporosis.Current osteoporosis reports · 2014
    Review
  16. Review
  17. 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

4 authors at 2 institutions in 1 country.

Yuwei WangDepartment of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT 84112-5820, USA. Yuwei.wang@utah.edu
Kenny K Tran
Hong Shen
David W Grainger
University of Utah · USUniversity of Washington · US

Funding

Molecular Comparison of Macrophage Foreign Body ResponseR01EB000894 · NIBIB · UNIVERSITY OF UTAH · PI GRAINGER, DAVID W · 2004 to 2007
$1.1M
NIBIB NIH HHS EB00894NIBIB NIH HHS R01 EB000894
6 · The paper itself

Abstract

Fracture healing and fracture fixation in the context of osteoporosis is extremely difficult. To inhibit osteoclast-induced bone resorption and associated implant loosening in this pathology, we describe a local delivery strategy to delivery RNA interfering technology to bone sites to target and down-regulate osteoclast formation and function. Resorbable polymer, poly(lactic-co-glycolic acid) (PLGA) microparticles were exploited as a passive phagocyte-targeting carrier to deliver RANK siRNA to both osteoclast precursors and osteoclasts - the professional phagocytes in bone. These natural phagocytes internalize micron-sized particles while most other non-targeted cells in bone cannot. PLGA-siRNA microparticles were dispersed within biomedical grade calcium-based injectable bone cement clinically used in osteoporosis as a bone augmentation biomaterial for fragility fracture prevention and fixation. siRNA released from this formulation in vitro retains bioactivity against the cell target, RANK, in cultured osteoclast precursor cells, inhibiting their progression toward the osteoclastic phenotype. These data support the proof-of-concept to utilize a clinically relevant approach to locally deliver siRNA to phagocytes in bone and improve fragility fracture healing in the context of osteoporosis. This local delivery system delivers siRNA therapeutics directly to osteoporosis sites from clinically familiar injected bone augmentation materials but could be extended to other injectable biomaterials for local siRNA delivery.

Indexed as

AnimalsBiocompatible MaterialsBone CementsCalcium PhosphatesLactic AcidMaleMiceMice, Inbred C57BLPhagocytesPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerReceptor Activator of Nuclear Factor-kappa BReverse Transcriptase Polymerase Chain ReactionRNA, Small InterferingBiocompatible MaterialsBone Cementscalcium phosphateCalcium PhosphatesLactic AcidPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerReceptor Activator of Nuclear Factor-kappa BRNA, Small Interfering

Identifiers

PMID22951320
PMCPMC3444628
OpenAlexW2148192792

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.