Evidence map›Paper›PMID 22796588›Full record

ArticleToxicology letters2012

Increased β-amyloid deposition in Tg-SWDI transgenic mouse brain following in vivo lead exposure.

Huiying Gu, Gregory Robison, Lan Hong, Raul Barrea, Xing Wei, Martin R Farlow, Yulia N Pushkar, Yansheng Du, Wei Zheng

Abstract read
In one paragraph

Article in Toxicology letters, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
3.3field-weighted citation impact, top 9% 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

37 citing papers in PubMed, 63 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Pea Peptide Modulates Abnormal Aβ Production in PC12 Cells Induced by Lead Exposure.Plant foods for human nutrition (Dordrecht, Netherlands) · 2025
    Article
  5. Reevaluating the role of amyloidFrontiers in neurology · 2025
    Review
  6. Article
  7. Review
  8. Article
  9. [Lead exposure aggravates AβNan fang yi ke da xue xue bao = Journal of Southern Medical University · 2023
    Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Evaluation of chronic lead effects in the blood brain barrier system by DCE-CT.Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2020
    Article
  19. Article
  20. Altered clearance of beta-amyloid from the cerebrospinal fluid following subchronic lead exposure in rats: Roles of RAGE and LRP1 in the choroid plexus.Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2020
    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

9 authors at 3 institutions in 1 country.

Huiying GuDepartment of Neurology, School of Medicine, Indiana University, Indianapolis, IN 46202, United States. huiygu@iupui.edu
Gregory Robison
Lan Hong
Raul Barrea
Xing Wei
Martin R Farlow
Yulia N Pushkar
Yansheng Du
Wei Zheng
Indiana University – Purdue University Indianapolis · USPurdue University West Lafayette · USIllinois Institute of Technology · US

Funding

X-RAY STUDIES OF NEUROFIBRILLARY TANGLES IN ALZHEIMER'S DISEASE BRAIN TISSUEP41RR008630 · NCRR · ILLINOIS INSTITUTE OF TECHNOLOGY · PI IRVING, THOMAS C · 2001 to 2011
$14.4M
Time resolved SAXS studies on the RP2/Arl3 complex pp.484-485P41GM103622 · NIGMS · ILLINOIS INSTITUTE OF TECHNOLOGY · PI IRVING, THOMAS C · 2012 to 2020
$11.9M
Choroid Plexus a Target in Metal-Induced NeurotoxicityR01ES008146 · NIEHS · PURDUE UNIVERSITY WEST LAFAYETTE · PI ZHENG, WEI · 1998 to 2014
$5.0M
Beta-Amyloid Clearance by Mammalian Choroid Plexus: Effect of Lead ExposureR21ES017055 · NIEHS · PURDUE UNIVERSITY · PI ZHENG, WEI · 2009 to 2010
$457k
Choroid Plexus as a Target in Metal-induced NeurotoxicityR56ES008146 · NIEHS · PURDUE UNIVERSITY · PI ZHENG, WEI · 2016 to 2016
$155k
NCRR NIH HHS P41 RR008630NCRR NIH HHS RR-08630NIEHS NIH HHS ES008146NIEHS NIH HHS ES017055NIEHS NIH HHS R01 ES008146NIEHS NIH HHS R21 ES017055NIEHS NIH HHS R56 ES008146NIGMS NIH HHS P41 GM103622
6 · The paper itself

Abstract

Previous studies in humans and animals have suggested a possible association between lead (Pb) exposure and the etiology of Alzheimer's disease (AD). Animals acutely exposed to Pb display an over-expressed amyloid precursor protein (APP) and the ensuing accumulation of beta-amyloid (Aβ) in brain extracellular spaces. This study was designed to examine whether in vivo Pb exposure increased brain concentrations of Aβ, resulting in amyloid plaque deposition in brain tissues. Human Tg-SWDI APP transgenic mice, which genetically over-express amyloid plaques at age of 2-3 months, received oral gavages of 50mg/kg Pb acetate once daily for 6 weeks; a control group of the same mouse strain received the same molar concentration of Na acetate. ELISA results revealed a significant increase of Aβ in the CSF, brain cortex and hippocampus. Immunohistochemistry displayed a detectable increase of amyloid plaques in brains of Pb-exposed animals. Neurobehavioral test using Morris water maze showed an impaired spatial learning ability in Pb-treated mice, but not in C57BL/6 wild type mice with the same age. In vitro studies further uncovered that Pb facilitated Aβ fibril formation. Moreover, the synchrotron X-ray fluorescent studies demonstrated a high level of Pb present in amyloid plaques in mice exposed to Pb in vivo. Taken together, these data indicate that Pb exposure with ensuing elevated Aβ level in mouse brains appears to be associated with the amyloid plaques formation. Pb apparently facilitates Aβ fibril formation and participates in deposition of amyloid plaques.

Indexed as

Alzheimer DiseaseAmyloid beta-PeptidesAnimalsBlotting, WesternBrainDisease Models, AnimalImmunohistochemistryLeadMaze LearningMiceMice, Inbred C57BLMice, TransgenicPlaque, AmyloidSpectrometry, X-Ray EmissionAmyloid beta-PeptidesLead

Identifiers

PMID22796588
PMCPMC3461595
OpenAlexW2126500690

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.