Evidence map›Paper›PMID 18308723›Full record

ArticleThe Journal of biological chemistry2008

Male germ cells require polyenoic sphingolipids with complex glycosylation for completion of meiosis: a link to ceramide synthase-3.

Mariona Rabionet, Aarnoud C van der Spoel, Chia-Chen Chuang, Benita von Tümpling-Radosta, Manja Litjens, Diane Bouwmeester, Christina C Hellbusch, Christian Körner, Herbert Wiegandt, Karin Gorgas and 3 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed
9.8field-weighted citation impact, top 2% 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

59 citing papers in PubMed, 112 citations in OpenAlex.

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  20. Molecules (Basel, Switzerland) · 2020
    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

13 authors at 4 institutions in 2 countries.

Mariona RabionetDepartment of Cellular and Molecular Pathology, German Cancer Research Center, INF 280, 69120 Heidelberg, Germany.
Aarnoud C van der Spoel
Chia-Chen Chuang
Benita von Tümpling-Radosta
Manja Litjens
Diane Bouwmeester
Christina C Hellbusch
Christian Körner
Herbert Wiegandt
Karin Gorgas
Frances M Platt
Hermann-Josef Gröne
Roger Sandhoff
Heidelberg University · DEUniversity of Oxford · GBGerman Cancer Research Center · DEUniversity Hospital Heidelberg · DE

Funding

Glycosphingolipids as targets for male contraceptionU01HD045861 · NICHD · UNIVERSITY OF OXFORD · PI PLATT, FRANCES MARY · 2004 to 2008
$841k
NICHD NIH HHS 1 U01 HD45861
6 · The paper itself

Abstract

Previously, it was found that a novel class of neutral fucosylated glycosphingolipids (GSLs) is required for male fertility. These lipids contain very long-chain (C26-C32) polyunsaturated (4-6 double bonds) fatty acid residues (VLC-PUFAs). To assess the role of these complex GSLs in spermatogenesis, we have now investigated with which of the testicular cell types these lipids are associated. During postnatal development, complex glycosylated and simple VLC-PUFA sphingolipids were first detectable at day 15, when the most advanced germ cells are pachytene spermatocytes. Their synthesis is most likely driven by ceramide synthase-3. This enzyme is encoded by the Cers3/Lass3 gene (longevity assurance genes), and out of six members of this gene family, only Cers3 mRNA expression was limited to germ cells, where it was up-regulated more than 700-fold during postnatal testicular maturation. Increasing levels of neutral complex VLC-PUFA GSLs also correlated with the progression of spermatogenesis in a series of male sterile mutants with arrests at different stages of spermatogenesis. Remarkably, fucosylation of the complex VLC-PUFA GSLs was not essential for spermatogenesis, as fucosylation-deficient mice produced nonfucosylated versions of the complex testicular VLC-PUFA GSLs, had complete spermatogenesis, and were fertile. Nevertheless, sterile Galgt1(-/-) mice, with a defective meiotic cytokinesis and a subsequent block in spermiogenesis, lacked complex but contained simple VLC-PUFA GSLs, as well as VLC-PUFA ceramides and sphingomyelins, indicating that the latter lipids are not sufficient for completion of spermatogenesis. Thus, our data imply that both glycans and the particular acyl chains of germinal sphingolipids are relevant for proper completion of meiosis.

Indexed as

MeiosisAgingAnimalsCell-Free SystemGene Expression Regulation, EnzymologicGerm CellsGlycosylationGlycosyltransferasesInfertility, MaleMaleMiceMice, Inbred C57BLMice, KnockoutOxidoreductasesRNA, MessengerSpermatogenesisdihydroceramide desaturaseGlycosyltransferasesOxidoreductasesRNA, MessengerSphingolipids

Identifiers

PMID18308723
PMCPMC2442322
OpenAlexW2094946421

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.