Evidence map›Paper›PMID 25584412›Full record

ArticleMolecular endocrinology (Baltimore, Md.)2015

IGFs mediate the action of LH on oocyte maturation in zebrafish.

Jianzhen Li, Lianhe Chu, Xiao Sun, Yun Liu, Christopher H K Cheng

Open access · hybridAbstract read
In one paragraph

Article in Molecular endocrinology (Baltimore, Md.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
11.9field-weighted citation impact, top 1% 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

28 citing papers in PubMed, 91 citations in OpenAlex.

  1. Review
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  6. Comparative Transcriptome Analysis Reveals the Effect ofAnimals : an open access journal from MDPI · 2023
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  18. Genetics · 2018
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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

5 authors at 2 institutions in 1 country.

Jianzhen LiCollege of Life Sciences (J.L.), Northwest Normal University, Lanzhou, 730070 China; and School of Biomedical Sciences (J.L., L.C., X.S., Y.L., C.H.K.C.), The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China.
Lianhe Chu
Xiao Sun
Yun Liu
Christopher H K Cheng
Chinese University of Hong Kong · CNNorthwest Normal University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

LH signaling is required for oocyte maturation in fish and other vertebrates. However, the downstream factors mediating LH signaling are largely unexplored in fish. In this study, we investigated whether IGFs could mediate LH action on oocyte maturation in zebrafish. Our results show that all igfs, including igf1, igf2a, igf2b, and igf3, are dynamically expressed during folliculogenesis, with the expression of igf3 reaching its maximal level in full grown stage follicles. The expression of igfs is regulated by LH through a cAMP pathway in intact follicles as well as in primary cultured follicular cells, with igf3 expression being the most sensitive to human chorionic gonadotropin (hCG) treatment. Moreover, recombinant zebrafish IGF-2a, IGF-2b, and IGF-3 proteins significantly enhanced oocyte maturation via IGF-1 receptors (IGF-1rs), with IGF-3 exhibiting the most potent stimulatory action on oocyte maturation. Furthermore, we have demonstrated that IGF-3 or hCG treatment could stimulate IGF-1rs phosphorylation, and hCG-induced oocyte maturation could be attenuated by IGF-1r inhibitors as well as by an anti-IGF-3 antiserum in vitro and in vivo, indicating that the IGF system especially IGF-3 plays a crucial role in mediating LH action on oocyte maturation. In addition, igf3 expression is significantly attenuated in LH β-subunit (lhb) mutant zebrafish and treatment with recombinant IGF-3 could partially rescue the oocyte maturation defects of the lhb mutants in vitro and in vivo. Collectively, our results clearly demonstrated that IGFs, particularly the gonad-specific IGF-3, act as important mediators of LH action on oocyte maturation in zebrafish.

Indexed as

Cell DifferentiationAnimalsCells, CulturedChorionic GonadotropinFemaleGene Expression ProfilingGene Expression Regulation, DevelopmentalGene Knockout TechniquesHumansImmune SeraInsulin-Like Growth Factor ILuteinizing Hormone, beta SubunitModels, BiologicalMutationOocytesOrganogenesisChorionic GonadotropinImmune SeraInsulin-Like Growth Factor ILuteinizing Hormone, beta SubunitReceptor, IGF Type 1Recombinant ProteinsSomatomedins

Identifiers

PMID25584412
PMCPMC4399333
OpenAlexW1982999142

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.