Evidence map›Paper›PMID 21600978›Full record

ArticleFree radical biology & medicine2011

A deficit in zinc availability can cause alterations in tubulin thiol redox status in cultured neurons and in the developing fetal rat brain.

Gerardo G Mackenzie, Gabriela A Salvador, Carolina Romero, Carl L Keen, Patricia I Oteiza

Abstract read
In one paragraph

Article in Free radical biology & medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.5field-weighted citation impact, top 12% 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

19 citing papers in PubMed, 41 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. Review
  12. Article
  13. Zinc and the aging brain.Genes & nutrition · 2014
    Article
  14. Article
  15. Decreased zinc availability affects glutathione metabolism in neuronal cells and in the developing brain.Toxicological sciences : an official journal of the Society of Toxicology · 2013
    Article
  16. Zinc and the modulation of redox homeostasis.Free radical biology & medicine · 2012
    Review
  17. An update on toxicology of aluminum phosphide.Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences · 2012
    Article
  18. Review
  19. 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

5 authors at 2 institutions in 2 countries.

Gerardo G MackenzieDepartment of Nutrition and Department of Environmental Toxicology, University of California at Davis, Davis, CA 95616, USA.
Gabriela A Salvador
Carolina Romero
Carl L Keen
Patricia I Oteiza
University of California, Davis · USUniversidad Nacional del Sur · AR

Funding

NUTRITIONAL FACTORS IN MAMMALIAN DEVELOPMENTR01HD001743 · NICHD · UNIVERSITY OF CALIFORNIA DAVIS · PI KEEN, CARL L. · 1985 to 2009
$2.0M
NICHD NIH HHS HD 01743NICHD NIH HHS R01 HD001743
6 · The paper itself

Abstract

Zinc (Zn) deficiency during early development can result in multiple brain abnormalities and altered neuronal functions. In rats, a gestational deficit of Zn can affect the fetal brain cytoskeleton and signaling cascades involved in cellular processes that are central to brain development. In this paper, we tested the hypothesis that oxidative stress is involved in Zn deficiency-induced altered tubulin dynamics and the associated dysregulation of transcription factor NF-κB. For this purpose, we used two cell culture models (rat cortical neurons, human IMR-32 neuroblastoma cells) and an animal model of Zn deficiency. A low rate of in vitro tubulin polymerization, an increase in tubulin oligomers, and a higher protein cysteine oxidation were observed in the Zn-deficient neuronal cells and in gestation day 19 fetal brains obtained from dams fed marginal-Zn diets throughout pregnancy. These alterations could be prevented by treating the Zn-deficient cells with the reducing agent tris(2-carboxyethyl)phosphine or by the presence of N-acetylcysteine (NAC) and α-lipoic acid (LA). Consistent with the above, Zn deficiency-induced tubulin-mediated alterations in transcription factor NF-κB nuclear translocation were prevented by treating IMR-32 cells with LA and NAC. Binding of the NF-κB protein p50, dynein, and karyopherin α (components of the NF-κB transport complex) to β-tubulin as well as the expression of NF-κB-dependent genes (Bcl-2, cyclin D1, and c-myc) was also restored by the addition of LA and NAC to Zn-deficient cells. In conclusion, a deficit in Zn viability could affect early brain development through: (1) an induction of oxidative stress, (2) tubulin oxidation, (3) altered tubulin dynamics, and (4) deregulation of signals (e.g., NF-κB) involved in critical developmental events.

Indexed as

AnimalsBase SequenceBrainCells, CulturedDNA PrimersNeuronsOxidation-ReductionRatsRats, Sprague-DawleySulfhydryl CompoundsTubulinZincDNA PrimersSulfhydryl CompoundsTubulinZinc

Identifiers

PMID21600978
PMCPMC3506427
OpenAlexW2057959209

What OpenQuestion holds

Textmetadata
LicenceTDM
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.