Evidence map›Paper›PMID 9480899›Full record

ArticleThe Biochemical journal1998

The polypeptide backbone of recombinant human zona pellucida glycoprotein-3 initiates acrosomal exocytosis in human spermatozoa in vitro.

N Chapman, E Kessopoulou, P Andrews, D Hornby, C R Barratt

Open access · bronzeAbstract read
In one paragraph

Article in The Biochemical journal, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed, 55 citations in OpenAlex.

  1. 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

5 authors at 3 institutions in 1 country.

N ChapmanKrebs Institute, Department of Molecular Biology and Biotechnology, University of Sheffield, P.O. Box 594, Firth Court, Western Bank, Sheffield S10 2UH, U.K.
E Kessopoulou
P Andrews
D Hornby
C R Barratt
Jessop Hospital · GBBirmingham Women's Hospital · GBUniversity of Sheffield · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Human gamete interaction is of fundamental biological importance, yet the molecular interactions between spermatozoa and the zona pellucida are poorly understood. Surprisingly, the role of the polypeptide backbone of zona pellucida glycoprotein 3 (ZP3), the putative ligand for spermatozoa activation, has been largely overlooked. Purified recombinant human ZP3 was expressed in Escherichia coli as a C-terminal fusion to the dimeric glutathione S-transferase (GST) from Schistosoma japonicum and was shown to induce acrosomal exocytosis in live, capacitated human spermatozoa. The level of exocytosis is comparable with that obtained using purified, glycosylated, recombinant human ZP3 [van Duin, M., Polman, J.E.M., DeBreet, I.T.M., Van Ginneken, K., Bunschoten, H., Grootenhuis, A., Brindle, J. and Aitken, R.J. (1994). Biol Reprod. 51, 607-617]. These data imply that the polypeptide chain of human ZP3 contributes to recognition of spermatozoa during acrosomal exocytosis in vitro.

Indexed as

ExocytosisAcrosomeBlotting, WesternEgg ProteinsElectrophoresis, Polyacrylamide GelGlutathione TransferaseHumansIn Vitro TechniquesMaleMembrane GlycoproteinsReceptors, Cell SurfaceRecombinant Fusion ProteinsZona PellucidaZona Pellucida GlycoproteinsEgg ProteinsGlutathione TransferaseMembrane GlycoproteinsReceptors, Cell SurfaceRecombinant Fusion ProteinsZona Pellucida GlycoproteinsZP3 protein, human

Identifiers

PMID9480899
PMCPMC1219214
OpenAlexW2416378114

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.