Evidence map›Paper›PMID 23486914›Full record

ArticleBiology of reproduction2013

Aging and luteinizing hormone effects on reactive oxygen species production and DNA damage in rat Leydig cells.

Matthew C Beattie, Haolin Chen, Jinjiang Fan, Vassilios Papadopoulos, Paul Miller, Barry R Zirkin

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Biology of reproduction, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
2.5field-weighted citation impact, top 13% 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

34 citing papers in PubMed, 64 citations in OpenAlex.

  1. Review
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  4. Article
  5. Black Chokeberry (Current issues in molecular biology · 2024
    Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Toxicological research · 2021
    Article
  15. Article
  16. PFAS Environmental Pollution and Antioxidant Responses: An Overview of the Impact on Human Field.International journal of environmental research and public health · 2020
    Review
  17. Observational
  18. Review
  19. Review
  20. Review
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

6 authors at 2 institutions in 2 countries.

Matthew C BeattieDepartment of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA.
Haolin Chen
Jinjiang Fan
Vassilios Papadopoulos
Paul Miller
Barry R Zirkin
Johns Hopkins University · USMcGill University Health Centre · CA

Funding

Aging and Leydig Cell FunctionR37AG021092 · NIA · JOHNS HOPKINS UNIVERSITY · PI ZIRKIN, BARRY R · 2006 to 2015
$4.0M
AGING AND LEYDIG CELL FUNCTIONR01AG021092 · NIA · JOHNS HOPKINS UNIVERSITY · PI ZIRKIN, BARRY R · 2002 to 2019
$3.1M
MULTIDISCIPLINARY TRAINING IN THE REPRODUCTIVE SCIENCEST32HD007276 · NICHD · JOHNS HOPKINS UNIVERSITY · PI ZIRKIN, BARRY R · 1985 to 2011
$1.5M
NIA NIH HHS R01 AG021092NIA NIH HHS R37 AG021092NIA NIH HHS R37 AG21092NICHD NIH HHS T32 HD007276NICHD NIH HHS T32 HD07276PHS HHS MOP102647
6 · The paper itself

Abstract

We observed previously that after long-term suppression of luteinizing hormone (LH) and thus of Leydig cell steroidogenesis, restimulation of the Leydig cells by LH resulted in significantly higher testosterone production than by age-matched cells from control rats. These studies suggest that stimulation over time may elicit harmful effects on the steroidogenic machinery, perhaps through alteration of the intracellular oxidant-to-antioxidant balance. Herein we compared the effects of LH stimulation on stress response genes, formation of intracellular reactive oxygen species (ROS), and ROS-induced damage to ROS-susceptible macromolecules (DNA) in young and in aged cells. Microarray analysis indicated that LH stimulation resulted in significant increases in expression of genes associated with stress response and antiapoptotic pathways. Short-term LH treatment of primary Leydig cells isolated from young rats resulted in transiently increased ROS levels compared to controls. Aged Leydig cells also showed increased ROS soon after LH stimulation. However, in contrast to the young cells, ROS production peaked later and the time to recovery was increased. In both young and aged cells, treatment with LH resulted in increased levels of DNA damage but significantly more so in the aged cells. DNA damage levels in response to LH and the levels of intracellular ROS were highly correlated. Taken together, these results indicate that LH stimulation causes increased ROS production by young and aged Leydig cells and that while DNA damage occurs in cells of both ages, there is greater damage in the aged cells.

Indexed as

DNA DamageAge FactorsAgingAnimalsCells, CulturedGene ExpressionGlutathioneLeydig CellsLuteinizing HormoneMaleModels, BiologicalRatsRats, Inbred BNReactive Oxygen SpeciesGlutathioneLuteinizing HormoneReactive Oxygen Species

Identifiers

PMID23486914
PMCPMC4013884
OpenAlexW1976591159

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.