Evidence map›Paper›PMID 16369492›Full record

ArticleOncogene2006

Repair and mutagenesis at oxidized DNA lesions in the developing brain of wild-type and Ogg1-/- mice.

E Larsen, K Reite, G Nesse, C Gran, E Seeberg, A Klungland

Open access · bronzeAbstract read
PubMed Publisher
In one paragraph

Article in Oncogene, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
1.5field-weighted citation impact, top 20% 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

23 citing papers in PubMed, 49 citations in OpenAlex.

  1. Article
  2. Review
  3. Why Do the Cosmic Rays Induce Aging?Frontiers in physiology · 2020
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  12. Article
  13. Cigarette smoke induces DNA damage and alters base-excision repair and tau levels in the brain of neonatal mice.Toxicological sciences : an official journal of the Society of Toxicology · 2011
    Article
  14. Evidence that OGG1 glycosylase protects neurons against oxidative DNA damage and cell death under ischemic conditions.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2011
    Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Oxoguanine glycosylase 1 protects against methamphetamine-enhanced fetal brain oxidative DNA damage and neurodevelopmental deficits.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2008
    Article
  20. 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

6 authors at 2 institutions in 1 country.

E LarsenCentre for Molecular Biology and Neuroscience and Institute of Medical Microbiology, The National Hospital, University of Oslo, Oslo, Norway. elisabeth.larsen@medisin.uio.no
K Reite
G Nesse
C Gran
E Seeberg
A Klungland
University of Oslo · NOOslo University Hospital · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

OGG1 (8-oxoguanine DNA glycosylase-1) is one of the main DNA glycosylases present in mammalian cells. The enzyme removes 7,8-dihydro-8-oxoguanine (8-oxoG) lesions, believed to be the most important oxidized lesions due to their relatively high incidence and their miscoding properties. This study shows that in prenatal mice brains the repair capacity for 8-oxoG is 5-10-fold higher than in adult mice brains. Western blot analysis and repair activity in extracts from Ogg1(-/-) mice revealed that OGG1 was responsible for the efficient 8-oxoG removal from prenatal mice. To investigate how OGG1 protects against oxidative stress-induced mutagenesis, pregnant Big Blue/wild-type and Big Blue/Ogg1(-/-) mice were exposed to nontoxic doses of gamma radiation. A 2.5-fold increase in the mutation frequency in Ogg1(-/-) mouse brains was obtained by exposure to 3.5 Gy at day 19 postfertilization. This was largely due to GC to TA transversions, believed to originate from 8-oxoG mispairing with A during replication. Furthermore, rapid cell divisions seemed to be required for fixation of mutations, as a similar dose of radiation did not increase the mutation frequency, or the frequency of GC to TA transversion, in the adult brain.

Indexed as

DNA RepairOxidative StressAnimalsBrainDNA DamageDNA GlycosylasesFemaleGamma RaysGuanineHomozygoteMaleMiceMice, KnockoutMutagenesisOxygen8-hydroxyguanineDNA GlycosylasesGuanineOgg1 protein, mouseOxygen

Identifiers

PMID16369492
OpenAlexW1973502945

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.