Evidence map›Paper›PMID 15034149›Full record

ArticleNucleic acids research2004

Translational regulation of BACE-1 expression in neuronal and non-neuronal cells.

Davide De Pietri Tonelli, Marija Mihailovich, Alessandra Di Cesare, Franca Codazzi, Fabio Grohovaz, Daniele Zacchetti

Open access · greenAbstract read
In one paragraph

Article in Nucleic acids research, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
2.8field-weighted citation impact, top 11% 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

38 citing papers in PubMed, 81 citations in OpenAlex.

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  19. Depletion of GGA1 and GGA3 mediates postinjury elevation of BACE1.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2012
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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 1 institution in 1 country.

Davide De Pietri TonelliCellular Neurophysiology Unit, Department of Neuroscience, San Raffaele Scientific InstituteMilano, Italy.
Marija Mihailovich
Alessandra Di Cesare
Franca Codazzi
Fabio Grohovaz
Daniele Zacchetti
Vita-Salute San Raffaele University · IT

Funding

Telethon E.0888
6 · The paper itself

Abstract

As the main beta-secretase of the central nervous system, BACE-1 is a key protein in the pathogenesis of Alzheimer's disease. Excessive expression of the protein might cause an overproduction of the neurotoxic beta-amyloid peptide. Therefore, a tight regulation of BACE-1 expression is expected in vivo. In addition to a possible transcriptional control, the BACE-1 transcript leader contains features that might constitute mechanisms of translational regulation of protein expression. Moreover, recent work has revealed an increase of BACE-1 protein and beta-secretase activity in some Alzheimer's disease patients, although a corresponding increase of transcript has not been reported. Here we show that BACE-1 translation could be modulated at multiple stages. The presence of several upstream ATGs strongly reduces the translation of the main open reading frame. This inhibition could be overcome with conditions that favour skipping of upstream ATGs. We also report an alternative splicing of the BACE-1 transcript leader that reduces the number of upstream ATGs. Finally, we show that translation driven by the BACE-1 transcript leader is increased in activated astrocytes independently of the splicing event, indicating yet another mechanism of translational control. Our findings might explain why increases in BACE-1 protein or activity are reported in the brain of Alzheimer's disease patients even in the absence of changes in transcript levels.

Indexed as

Protein Biosynthesis5' Untranslated RegionsAlternative SplicingAmino Acid SequenceAmyloid Precursor Protein SecretasesAspartic Acid EndopeptidasesAstrocytesCell LineEndopeptidasesGene Expression RegulationHumansMolecular Sequence Data5' Untranslated RegionsAmyloid Precursor Protein SecretasesAspartic Acid EndopeptidasesBACE1 protein, humanEndopeptidases

Identifiers

PMID15034149
PMCPMC390341
OpenAlexW1979837593

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.