Evidence map›Paper›PMID 27155601›Full record

ArticleJournal of assisted reproduction and genetics2016

Growth and differentiation factor 9 promotes oocyte growth at the primary but not the early secondary stage in three-dimensional follicle culture.

Heidi Cook-Andersen, Kirsten J Curnow, H Irene Su, R Jeffrey Chang, Shunichi Shimasaki

Open access · bronzeAbstract read
In one paragraph

Article in Journal of assisted reproduction and genetics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
2.4field-weighted citation impact, top 10% 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

10 citing papers in PubMed, 28 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Advances in Oocyte Maturation In Vivo and In Vitro in Mammals.International journal of molecular sciences · 2023
    Review
  7. Article
  8. Article
  9. Article
  10. 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

5 authors at 1 institution in 1 country.

Heidi Cook-AndersenDepartment of Reproductive Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093-0633, USA. hcookandersen@ucsd.edu.
Kirsten J CurnowDepartment of Reproductive Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093-0633, USA.
H Irene SuDepartment of Reproductive Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093-0633, USA.
R Jeffrey ChangDepartment of Reproductive Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093-0633, USA.
Shunichi ShimasakiDepartment of Reproductive Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093-0633, USA. sshimasaki@ucsd.edu.
University of California, San Diego · US

Funding

UC San Diego Womens Reproductive Health Research ProgramK12HD001259 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI CYNTHIA GYAMFI-BANNERMAN · 1999 to 2026
$9.1M
The Role of FSH in Female InfertilityP50HD012303 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI CHANG, R JEFFREY · 1985 to 2020
$7.5M
TRAINING IN REPRODUCTIVE SCIENCEST32HD007203 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI PAMELA L MELLON · 1988 to 2026
$4.8M
NICHD NIH HHS K12 HD001259NICHD NIH HHS P50 HD012303NICHD NIH HHS T32 HD007203
6 · The paper itself

Abstract

purposeFactors that differentially regulate oocyte and granulosa cell growth within the early preantral follicle and how these factors differ at each stage of follicle growth remain poorly understood. The aim of this study was to isolate and evaluate the effect of recombinant growth and differentiation factor 9 (GDF9) on oocyte and granulosa cell growth at the primary and early secondary stages of preantral follicle growth during in vitro culture.

methodsPrimary stage follicles (diameters of 50-89 μm) and early secondary stage follicles (diameters of 90-120 μm) were isolated from immature mice, and individual, intact follicles were cultured in vitro in the presence and absence of recombinant GDF9. The effects of GDF9 on follicle growth were determined by the assessment of changes in the follicle volume during culture. The growth of the granulosa cell and oocyte compartments of the follicles was evaluated separately at each stage.

resultsGDF9 significantly increased the growth of isolated follicles at both the primary and early secondary follicle stages. Independent evaluation of the granulosa cell and oocyte compartments revealed that, while GDF9 promoted granulosa cell growth at both stages of folliculogenesis, oocyte growth was stage specific. GDF9 promoted growth of the oocyte at the primary, but not the early secondary, follicle stage.

conclusionsThese findings demonstrate a stage-specific role for GDF9 in the regulation of oocyte and granulosa cell growth at the primary and early secondary stages of preantral follicle development.

Indexed as

AnimalsFemaleGranulosa CellsGrowth Differentiation Factor 9MiceMice, Inbred C57BLOocytesOogenesisOrgan Culture TechniquesOvarian FollicleGdf9 protein, mouseGrowth Differentiation Factor 9GDF9Granulosa cellGrowth and differentiation factor 9In vitro follicle cultureOocyte

Identifiers

PMID27155601
PMCPMC4974221
OpenAlexW2346171716

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.