Evidence map›Paper›PMID 20951426›Full record

ArticleBiomaterials2011

Evaluation of gel spun silk-based biomaterials in a murine model of bladder augmentation.

Joshua R Mauney, Glenn M Cannon, Michael L Lovett, Edward M Gong, Dolores Di Vizio, Pablo Gomez, David L Kaplan, Rosalyn M Adam, Carlos R Estrada

Abstract read
In one paragraph

Article in Biomaterials, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
6.2field-weighted citation impact, top 4% 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

45 citing papers in PubMed, 107 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Review
  7. Review
  8. Article
  9. Review
  10. [Advance in functional bladder engineering].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2020
    Review
  11. Article
  12. Review
  13. Article
  14. Bioengineering Approaches for Bladder Regeneration.International journal of molecular sciences · 2018
    Review
  15. Review
  16. Review
  17. Article
  18. Review
  19. Article
  20. 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

9 authors at 3 institutions in 1 country.

Joshua R MauneyDepartment of Urology, Urological Diseases Research Center, Children's Hospital Boston, Boston, MA 02115, USA.
Glenn M Cannon
Michael L Lovett
Edward M Gong
Dolores Di Vizio
Pablo Gomez
David L Kaplan
Rosalyn M Adam
Carlos R Estrada
Boston Children's Hospital · USHarvard University · USTufts University · US

Funding

HARVARD CLINICAL AND TRANSLATIONAL SCIENCE CENTER (UL1)UL1RR025758 · NCRR · HARVARD MEDICAL SCHOOL · PI NADLER, LEE MARSHALL · 2008 to 2011
$91.4M
Translational Bioreactors - Engineering Complex TissuesP41EB002520 · NIBIB · TUFTS UNIVERSITY MEDFORD · PI KAPLAN, DAVID L. · 2004 to 2018
$16.7M
Urethral Tissue BioengineeringP50DK065298 · NIDDK · CHILDREN'S HOSPITAL BOSTON · PI ADAM, ROSALYN M · 2003 to 2012
$9.8M
Cholesterol and Prostate HealthR01DK087806 · NIDDK · CEDARS-SINAI MEDICAL CENTER · PI FREEMAN, MICHAEL R · 2011 to 2015
$1.9M
NCRR NIH HHS UL1 RR 025758NCRR NIH HHS UL1 RR025758NIBIB NIH HHS P41 EB002520NIDDK NIH HHS P50 DK065298NIDDK NIH HHS P50 DK065298-06NIDDK NIH HHS R01 DK087806
6 · The paper itself

Abstract

Currently, gastrointestinal segments are considered the gold standard for bladder reconstructive procedures. However, significant complications including chronic urinary tract infection, metabolic abnormalities, urinary stone formation, bowel dysfunction, and secondary malignancies are associated with this approach. Biomaterials derived from silk fibroin may represent a superior alternative due their robust mechanical properties, biodegradable features, and processing plasticity. In the present study, we evaluated the efficacy of a gel spun silk-based matrix for bladder augmentation in a murine model. Over the course of 70 d implantation period, H&E and Masson's trichrome (MTS) analysis revealed that silk matrices were capable of supporting both urothelial and smooth muscle regeneration at the defect site. Prominent uroplakin and contractile protein expression (α-actin, calponin, and SM22α) was evident by immunohistochemical analysis demonstrating maturation of the reconstituted bladder wall compartments. Gel spun silk matrices also elicited a minimal acute inflammatory reaction following 70 d of bladder integration, in contrast to parallel assessments of small intestinal submucosa (SIS) and poly-glycolic acid (PGA) matrices which routinely promoted evidence of fibrosis and chronic inflammatory responses. Voided stain on paper analysis revealed that silk augmented animals displayed similar voiding patterns in comparison to non surgical controls by 42 d of implantation. In addition, cystometric evaluations of augmented bladders at 70 d post-op demonstrated that silk scaffolds supported significant increases in bladder capacity and voided volume while maintaining similar degrees of compliance relative to the control group. These results provide evidence for the utility of gel spun silk-based matrices for functional bladder tissue engineering applications.

Indexed as

SilkAnimalsBiocompatible MaterialsImmunohistochemistryMiceMyocytes, Smooth MusclePolyglycolic AcidTissue EngineeringUrinary BladderBiocompatible MaterialsPolyglycolic AcidSilk

Identifiers

PMID20951426
PMCPMC3742077
OpenAlexW2141284915

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.