Evidence map›Paper›PMID 17392687›Full record

ArticleMolecular vision2007

Subfertility in mice harboring a mutation in betaB2-crystallin.

Kevin M Duprey, Kimberly M Robinson, Yan Wang, Jennifer R Taube, Melinda K Duncan

Open access · greenAbstract read
In one paragraph

Article in Molecular vision, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
1.6field-weighted citation impact, top 17% 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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. βA3/A1-crystallin: more than a lens protein.Progress in retinal and eye research · 2015
    Review
  10. Crybb2 coding for βB2-crystallin affects sensorimotor gating and hippocampal function.Mammalian genome : official journal of the International Mammalian Genome Society · 2013
    Article
  11. Article
  12. Clinical and experimental advances in congenital and paediatric cataracts.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2011
    Review
  13. Article
  14. Article
  15. Mouse models of cataract.Journal of genetics · 2009
    Review
  16. Congenital cataracts and their molecular genetics.Seminars in cell & developmental biology · 2008
    Review
  17. Article
  18. 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

5 authors at 1 institution in 1 country.

Kevin M DupreyDepartment of Biological Sciences, University of Delaware, Newark, DE 19716, USA. dupe1984@msn.com <dupe1984@msn.com>
Kimberly M Robinson
Yan Wang
Jennifer R Taube
Melinda K Duncan
University of Delaware · US

Funding

VOLUMETRIC BREAST DENSITY ESTIMATION USING BREAST SURFACE RECONSTRUCTEDP20RR016472 · NCRR · UNIVERSITY OF DELAWARE · PI STANHOPE, STEVEN J. · 2001 to 2011
$37.6M
The Regulation of Lens Fiber Cell DifferentiationR01EY012221 · NEI · UNIVERSITY OF DELAWARE · PI DUNCAN, MELINDA K · 1998 to 2012
$3.7M
NCRR NIH HHS P20 RR016472NCRR NIH HHS P20 RR16472NEI NIH HHS EY12221NEI NIH HHS R01 EY012221
6 · The paper itself

Abstract

purposebetaB2-crystallin is one of the most abundant proteins of the adult ocular lens of mammals although it is expressed at lower levels in several extralenticular locations. While mutations in betaB2-crystallin are known to result in lens opacities, alterations in tissues besides the lens have not been previously investigated in these mutants. Since we found mice harboring the Crybb2Phil mutation bred poorly, here we assess the contribution of betaB2-crystallin to mouse fertility and determine the expression pattern of betaB2-crystallin in the testis.

methodsThe expression pattern of betaB2-crystallin in the testis was analyzed by rt-PCR, western blotting, and immunohistochemistry. The fecundity of wildtype and Crybb2Phil mice was analyzed by quantitative fertility testing. The morphology of testes and ovaries was assessed by hematoxylin and eosin staining.

resultsIn the mouse testis, betaB2-crystallin mRNA is found at low levels at birth, but its expression upregulates in this tissue as the testis is primed to initiate spermatogenesis. Western blotting detected betaB2-crystallin protein in sperm obtained from mice, cattle, and humans while immunolocalization detected this protein in developing sperm from the spermatocyte stage onward. Male and female mice homozygous for a 12 nucleotide inframe deletion mutation in betaB2-crystallin are subfertile when analyzed on a Swiss Webster derived background due to defects in egg and sperm production. However, mice harboring the same mutation on the C57Bl/6 genetic background did not exhibit any defects in reproductive function.

conclusionsbetaB2-crystallin is expressed in developing and mature sperm and mice of both sexes harboring the Philly mutation in the betaB2-crystallin gene are subfertile when analyzed on a Swiss Webster genetic background. While these data are suggestive of a role for betaB2-crystallin in fertility, definitive determination of this will await the creation of a betaB2-crystallin null mouse.

Indexed as

AnimalsApoptosisbeta-Crystallin B ChainCattleFemaleFertilityGene Expression RegulationHomozygoteHumansInfertilityMaleMiceMice, Inbred C57BLMutationOvaryRNA, Messengerbeta-Crystallin B ChainRNA, Messenger

Identifiers

PMID17392687
PMCPMC2642919
OpenAlexW2207019662

What OpenQuestion holds

Textmetadata
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.