Evidence map›Paper›PMID 33522502›Full record

ArticleJournal of visualized experiments : JoVE2021

Isolation of Murine Spermatogenic Cells using a Violet-Excited Cell-Permeable DNA Binding Dye.

Yu-Han Yeh, Mengwen Hu, Toshinori Nakagawa, Akihiko Sakashita, Shosei Yoshida, So Maezawa, Satoshi H Namekawa

Abstract readVideo-Audio Media
In one paragraph

Article in Journal of visualized experiments : JoVE, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–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

11 citing papers in PubMed.

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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

7 authors.

Yu-Han Yeh *Division of Reproductive Sciences, Division of Developmental Biology, Perinatal Institute, Cincinnati Children's Hospital Medical Center; Department of Pediatrics, University of Cincinnati College of Medicine.
Mengwen Hu *Division of Reproductive Sciences, Division of Developmental Biology, Perinatal Institute, Cincinnati Children's Hospital Medical Center; Department of Pediatrics, University of Cincinnati College of Medicine.
Toshinori NakagawaDivision of Germ Cell Biology, National Institute for Basic Biology, National Institutes of Natural Sciences; Department of Basic Biology, School of Life Science, Graduate University for Advanced Studies (Sokendai).
Akihiko SakashitaDivision of Reproductive Sciences, Division of Developmental Biology, Perinatal Institute, Cincinnati Children's Hospital Medical Center; Department of Pediatrics, University of Cincinnati College of Medicine.
Shosei YoshidaDivision of Germ Cell Biology, National Institute for Basic Biology, National Institutes of Natural Sciences; Department of Basic Biology, School of Life Science, Graduate University for Advanced Studies (Sokendai).
So MaezawaDepartment of Animal Science and Biotechnology, School of Veterinary Medicine, Azabu University; Faculty of Science and Technology, Department of Applied Biological Science, Tokyo University of Science.
Satoshi H NamekawaDivision of Reproductive Sciences, Division of Developmental Biology, Perinatal Institute, Cincinnati Children's Hospital Medical Center; Department of Pediatrics, University of Cincinnati College of Medicine; snamekawa@ucdavis.edu.

Funding

Epigenetic Regulation of Gene Expression during SpermatogenesisR01GM122776 · NIGMS · UNIVERSITY OF CALIFORNIA AT DAVIS · PI NAMEKAWA, SATOSHI · 2018 to 2021
$1.4M
SH800 Cell SorterS10OD023410 · OD · CINCINNATI CHILDRENS HOSP MED CTR · PI THORNTON, SHERRY L · 2017 to 2017
$318k
NIGMS NIH HHS R01 GM122776NIH HHS S10 OD023410
6 · The paper itself

Abstract

Isolation of meiotic spermatocytes is essential to investigate molecular mechanisms underlying meiosis and spermatogenesis. Although there are established cell isolation protocols using Hoechst 33342 staining in combination with fluorescence-activated cell sorting, it requires cell sorters equipped with an ultraviolet laser. Here we describe a cell isolation protocol using the DyeCycle Violet (DCV) stain, a low cytotoxicity DNA binding dye structurally similar to Hoechst 33342. DCV can be excited by both ultraviolet and violet lasers, which improves the flexibility of equipment choice, including a cell sorter not equipped with an ultraviolet laser. Using this protocol, one can isolate three live-cell subpopulations in meiotic prophase I, including leptotene/zygotene, pachytene, and diplotene spermatocytes, as well as post-meiotic round spermatids. We also describe a protocol to prepare single-cell suspension from mouse testes. Overall, the procedure requires a short time to complete (4-5 hours depending on the number of needed cells), which facilitates many downstream applications.

Indexed as

Cell Membrane PermeabilitySpermatogenesisAnimalsBenzimidazolesCell SeparationCell SurvivalDissectionDNAFlow CytometryFluorescenceMaleMeiosisMicePachytene StageScattering, RadiationSpermatidsBenzimidazolesbisbenzimide ethoxide trihydrochlorideDNA

Identifiers

PMID33522502
PMCPMC8260464

What OpenQuestion holds

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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.