Evidence map›Paper›PMID 20558735›Full record

ArticleThe Journal of biological chemistry2010

Selective translational control of the Alzheimer amyloid precursor protein transcript by iron regulatory protein-1.

Hyun-Hee Cho, Catherine M Cahill, Charles R Vanderburg, Clemens R Scherzer, Bin Wang, Xudong Huang, Jack T Rogers

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 108 papers.

0numbers the graph read from it
0cells of the map it votes in
108citing papers in PubMed
9.6field-weighted citation impact, top 2% 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

108 citing papers in PubMed, 183 citations in OpenAlex.

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  11. The Azalea Hypothesis of Alzheimer Disease: A Functional Iron Deficiency Promotes Neurodegeneration.The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry · 2024
    Review
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48 more citing papers are in PubMed but not listed here.

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 at 4 institutions in 1 country.

Hyun-Hee ChoNeurochemistry Laboratory, Department of Psychiatry-Neuroscience, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129, USA.
Catherine M Cahill
Charles R Vanderburg
Clemens R Scherzer
Bin Wang
Xudong Huang
Jack T Rogers
Harvard University · USMassachusetts General Hospital · USHarvard NeuroDiscovery Center · USMarshall University · US

Funding

Risk Marker for Parkinson's Disease: Enabling Novel TherapiesR01NS064155 · NINDS · BRIGHAM AND WOMEN'S HOSPITAL · PI SCHERZER, CLEMENS R · 2008 to 2011
$1.7M
NIA NIH HHS AG20181NINDS NIH HHS R01 NS064155
6 · The paper itself

Abstract

Iron influx increases the translation of the Alzheimer amyloid precursor protein (APP) via an iron-responsive element (IRE) RNA stem loop in its 5'-untranslated region. Equal modulated interaction of the iron regulatory proteins (IRP1 and IRP2) with canonical IREs controls iron-dependent translation of the ferritin subunits. However, our immunoprecipitation RT-PCR and RNA binding experiments demonstrated that IRP1, but not IRP2, selectively bound the APP IRE in human neural cells. This selective IRP1 interaction pattern was evident in human brain and blood tissue from normal and Alzheimer disease patients. We computer-predicted an optimal novel RNA stem loop structure for the human, rhesus monkey, and mouse APP IREs with reference to the canonical ferritin IREs but also the IREs encoded by erythroid heme biosynthetic aminolevulinate synthase and Hif-2α mRNAs, which preferentially bind IRP1. Selective 2'-hydroxyl acylation analyzed by primer extension analysis was consistent with a 13-base single-stranded terminal loop and a conserved GC-rich stem. Biotinylated RNA probes deleted of the conserved CAGA motif in the terminal loop did not bind to IRP1 relative to wild type probes and could no longer base pair to form a predicted AGA triloop. An AGU pseudo-triloop is key for IRP1 binding to the canonical ferritin IREs. RNA probes encoding the APP IRE stem loop exhibited the same high affinity binding to rhIRP1 as occurs for the H-ferritin IRE (35 pm). Intracellular iron chelation increased binding of IRP1 to the APP IRE, decreasing intracellular APP expression in SH-SY5Y cells. Functionally, shRNA knockdown of IRP1 caused increased expression of neural APP consistent with IRP1-APP IRE-driven translation.

Indexed as

5' Untranslated RegionsNucleic Acid ConformationProtein BiosynthesisAlzheimer DiseaseAmyloid beta-Protein PrecursorAnimalsBrainCell Line, TumorHumansIronIron Regulatory Protein 1Macaca mulattaMiceProtease NexinsReceptors, Cell Surface5' Untranslated RegionsACO1 protein, humanAmyloid beta-Protein PrecursorAPP protein, humanIronIron Regulatory Protein 1Protease NexinsReceptors, Cell Surface

Identifiers

PMID20558735
PMCPMC2951196
OpenAlexW1969061171

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.