Evidence map›Paper›PMID 31875237›Full record

ReviewHuman genetics2021

The X chromosome and male infertility.

Matthias Vockel, Antoni Riera-Escamilla, Frank Tüttelmann, Csilla Krausz

Abstract readReview
In one paragraph

Review in Human genetics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

35 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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  2. Pooled it
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  10. Assessing the Efficacy of Acanthoic Acid Isolated fromCurrent issues in molecular biology · 2024
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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

4 authors.

Matthias Vockel *Institute of Human Genetics, University of Münster, Vesaliusweg 12-14, 48149, Münster, Germany.
Antoni Riera-Escamilla *Andrology Department, Fundació Puigvert, Universitat Autònoma de Barcelona, Instituto de Investigaciones Biomédicas Sant Pau (IIB- Sant Pau), Barcelona, Catalonia, Spain.
Frank Tüttelmann *Institute of Human Genetics, University of Münster, Vesaliusweg 12-14, 48149, Münster, Germany. frank.tuettelmann@ukmuenster.de.ORCID http://orcid.org/0000-0003-2745-9965
Csilla Krausz *Andrology Department, Fundació Puigvert, Universitat Autònoma de Barcelona, Instituto de Investigaciones Biomédicas Sant Pau (IIB- Sant Pau), Barcelona, Catalonia, Spain. csilla.krausz@unifit.it.ORCID http://orcid.org/0000-0001-6748-8918

Funding

Deutsche Forschungsgemeinschaft CRU326European Commission project number: 289880European Commission REPROTRAINSpanish Ministry of Health Instituto Carlos III-FIS FIS/FEDER-PI14/01250Spanish Ministry of Health Instituto Carlos III-FIS PI17/01822
6 · The paper itself

Abstract

The X chromosome is a key player in germ cell development, as has been highlighted for males in previous studies revealing that the mammalian X chromosome is enriched in genes expressed in early spermatogenesis. In this review, we focus on the X chromosome's unique biology as associated with human male infertility. Male infertility is most commonly caused by spermatogenic defects to which X chromosome dosage is closely linked; for example, any supernumerary X chromosome as in Klinefelter syndrome will lead to male infertility. Furthermore, because males normally only have a single X chromosome and because X-linked genetic anomalies are generally only present in a single copy in males, any loss-of-function mutations in single-copy X-chromosomal genes cannot be compensated by a normal allele. These features make X-linked genes particularly attractive for studying male spermatogenic failure. However, to date, only very few genetic causes have been identified as being definitively responsible for male infertility in humans. Although genetic studies of germ cell-enriched X-chromosomal genes in mice suggest a role of certain human orthologs in infertile men, these genes in mice and humans have striking evolutionary differences. Furthermore, the complexity and highly repetitive structure of the X chromosome hinder the mutational analysis of X-linked genes in humans. Therefore, we conclude that additional methodological approaches are urgently warranted to advance our understanding of the genetics of X-linked male infertility.

Indexed as

AnimalsChromosomes, Human, XGenes, X-LinkedHumansInfertility, MaleMaleMutationSpermatogenesis

Identifiers

PMID31875237
PMCPMC7864851

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Registered trials

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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.