Evidence map›Paper›PMID 23274068›Full record

ArticleBiomaterials2013

Engineered multilayer ovarian tissue that secretes sex steroids and peptide hormones in response to gonadotropins.

Sivanandane Sittadjody, Justin M Saul, Sunyoung Joo, James J Yoo, Anthony Atala, Emmanuel C Opara

Erratum issuedAbstract read
In one paragraph

Article in Biomaterials, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
4.1field-weighted citation impact, top 7% 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

34 citing papers in PubMed, 54 citations in OpenAlex.

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  17. Regenerative Medicine Approaches in Bioengineering Female Reproductive Tissues.Reproductive sciences (Thousand Oaks, Calif.) · 2021
    Review
  18. Engineering Functional Rat Ovarian Spheroids Using Granulosa and Theca Cells.Reproductive sciences (Thousand Oaks, Calif.) · 2021
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Sivanandane SittadjodyWake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, NC 27101, USA.
Justin M Saul
Sunyoung Joo
James J Yoo
Anthony Atala
Emmanuel C Opara
Wake Forest University · USForest Institute · USMiami University · US

Funding

Bioengineering A Bioartificial PancreasR01DK080897 · NIDDK · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI OPARA, EMMANUEL C. · 2009 to 2010
$1.0M
NIDDK NIH HHS R01 DK080897NIDDK NIH HHS R01DK080897
6 · The paper itself

Abstract

Although hormone replacement therapy is an option for the loss of ovarian function, hormone delivery through pharmacological means results in various clinical complications. The present study was designed to deliver sex steroids by a functional construct fabricated using encapsulation techniques. Theca and granulosa cells isolated from ovaries of 21-day old rats were encapsulated in multilayer alginate microcapsules to recapitulate the native follicular structure. Cells encapsulated in two other schemes were used as controls to assess the importance of the multilayer structure. The endocrine functions of the encapsulated cells were assessed in vitro for a period of 30 days. Encapsulated cells showed sustained viability during long-term in vitro culture with those encapsulated in multilayer capsules secreting significantly higher and sustained concentrations of 17 β-estradiol (E(2)) than the two other encapsulation schemes (p < 0.05, n = 6) in response to follicle-stimulating hormone (FSH) and luteinizing hormone (LH). In addition, cells in the multilayer microcapsules also secreted activin and inhibin in vitro. In contrast, when granulosa and theca cells were cultured in 2D culture, progesterone (P(4)) secretion increased while E(2) secretion decreased over a 30-day period. In summary, we have designed a multilayer engineered ovarian tissue that secretes sex steroids and peptide hormones and responds to gonadotropins, thus demonstrating the ability to recapitulate native ovarian structure ex vivo.

Indexed as

AnimalsCells, CulturedEndocrine CellsFemaleFlow CytometryGonadotropinsOvaryPeptide HormonesRatsRats, Inbred F344SteroidsTissue EngineeringGonadotropinsPeptide HormonesSteroids

Identifiers

PMID23274068
PMCPMC3557586
OpenAlexW2048143132

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.