Evidence map›Paper›PMID 26219655›Full record

ArticleScientific reports2015

Bone morphogenetic protein 2 promotes primordial follicle formation in the ovary.

Prabuddha Chakraborty, Shyamal K Roy

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
4.0field-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

9 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.

  1. Pooled it
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  7. Review
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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

2 authors at 1 institution in 1 country.

Prabuddha ChakrabortyDepartment of Cellular and Integrative Physiology, and Obstetrics and Gynecology.
Shyamal K Roy1] Department of Cellular and Integrative Physiology, and Obstetrics and Gynecology [2] University of Nebraska Medical Center, Omaha, NE.
Laboratoire d’immunologie intégrative du cancer · FR

Funding

FOLLICULAR MORPHOGENESIS DURING PERINATAL DEVELOPMENTR01HD038468 · NICHD · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI ROY, SHYAMAL K. · 2001 to 2011
$2.3M
NICHD NIH HHS R01 HD038468NICHD NIH HHS R01-HD38468
6 · The paper itself

Abstract

Primordial follicles (PF) are formed when somatic cells differentiate into flattened pregranulosa cells, invaginate into the oocyte nests and encircle individual oocytes. We hypothesize that BMP2 regulates PF formation by promoting the transition of germ cells into oocytes and somatic cells into pregranulosa cells. E15 hamster ovaries were cultured for 8 days corresponding to postnatal day 8 (P8) in vivo, with or without BMP2, and the formation of PF was examined. BMP2 was expressed in the oocytes as well as ovarian somatic cells during development. BMP2 exposure for the first two days or the last two days or the entire 8 days of culture led to increase in PF formation suggesting that BMP2 affected both germ cell transition and somatic cell differentiation. Whereas an ALK2/3 inhibitor completely blocked BMP2-induced PF formation, an ALK2-specific inhibitor was partially effective, suggesting that BMP2 affected PF formation via both ALK2 and ALK3. BMP2 also reduced apoptosis in vitro. Further, more meiotic oocytes were present in BMP2 exposed ovaries. In summary, the results provide the first evidence that BMP2 regulates primordial follicle formation by promoting germ cell to oocyte transition and somatic cell to pre-granulosa cells formation and it acts via both ALK2 and ALK3.

Indexed as

Activin Receptors, Type IAnimalsAnimals, NewbornBone Morphogenetic Protein 2Bone Morphogenetic Protein Receptors, Type ICell DifferentiationCricetinaeFemaleGene Expression Regulation, DevelopmentalGranulosa CellsMaleMesocricetusMicroscopy, ConfocalOocytesOvarian FollicleOvaryActivin Receptors, Type IBone Morphogenetic Protein 2Bone Morphogenetic Protein Receptors, Type IDMH1 compoundLDN 193189PyrazolesPyrimidinesQuinolines

Identifiers

PMID26219655
PMCPMC4518238
OpenAlexW1031764498

What OpenQuestion holds

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LicenceCC BY
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.