Evidence map›Paper›PMID 28279219›Full record

ArticleMolecular neurodegeneration2017

Tetraspanin 6: a pivotal protein of the multiple vesicular body determining exosome release and lysosomal degradation of amyloid precursor protein fragments.

Francesc X Guix, Ragna Sannerud, Fedor Berditchevski, Amaia M Arranz, Katrien Horré, An Snellinx, Amantha Thathiah, Takaomi Saido, Takashi Saito, Sundaresan Rajesh and 10 more

Open access · goldAbstract read
In one paragraph

Article in Molecular neurodegeneration, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
4.4field-weighted citation impact, top 5% 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

60 citing papers in PubMed, 91 citations in OpenAlex.

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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

20 authors at 8 institutions in 6 countries.

Francesc X GuixVIB Center for Brain and Disease research - VIB, Leuven, Belgium. fguixrafols@gmail.com.
Ragna SannerudVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Fedor BerditchevskiSchool of Cancer Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Amaia M ArranzVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Katrien HorréVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
An SnellinxVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Amantha ThathiahDepartment of Neurobiology, University of Pittsburgh Brain Institute, Pittsburgh Institute for Neurodegenerative Disease, University of Pittsburgh School of Medicine, Biomedical Science Tower 3, Room 6062, 3501 Fifth Avenue, Pittsburgh, PA, 15213-3301, USA.
Takaomi SaidoLaboratory for Proteolytic Neuroscience, RIKEN Brain Science Institute, Wako-shi, 351-0198, Saitama, Japan.
Takashi SaitoLaboratory for Proteolytic Neuroscience, RIKEN Brain Science Institute, Wako-shi, 351-0198, Saitama, Japan.
Sundaresan RajeshSchool of Cancer Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Michael OverduinDepartment of Biochemistry, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Canada.
Samir Kumar-SinghMolecular Pathology Group, Cell Biology & Histology, Faculty of Medicine, University of Antwerp, Antwerp, Belgium.
Enrico RadaelliVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Nikky CorthoutVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Julien ColombelliInstitute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, c. Baldiri Reixac 10, 08028, Barcelona, Spain.
Sébastien TosiInstitute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, c. Baldiri Reixac 10, 08028, Barcelona, Spain.
Sebastian MunckVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Isabel H SalasVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Wim AnnaertVIB Center for Brain and Disease research - VIB, Leuven, Belgium.
Bart De StrooperVIB Center for Brain and Disease research - VIB, Leuven, Belgium. Bart.destrooper@cme.vib-kuleuven.be.
KU Leuven · BEVIB-KU Leuven Center for Brain & Disease Research · BEInstitute for Research in Biomedicine · ESRIKEN Center for Brain Science · JPUniversity of Birmingham · GBInstitute for Neurodegenerative Disorders · USUniversity of Alberta · CAUniversity of Antwerp · BE

Funding

Medical Research Council G0601073Medical Research Council MC_PC_17116Medical Research Council MR/N021738/1
6 · The paper itself

Abstract

backgroundThe mechanisms behind Aβ-peptide accumulation in non-familial Alzheimer's disease (AD) remain elusive. Proteins of the tetraspanin family modulate Aβ production by interacting to γ-secretase.

methodsWe searched for tetraspanins with altered expression in AD brains. The function of the selected tetraspanin was studied in vitro and the physiological relevance of our findings was confirmed in vivo.

resultsTetraspanin-6 (TSPAN6) is increased in AD brains and overexpression in cells exerts paradoxical effects on Amyloid Precursor Protein (APP) metabolism, increasing APP-C-terminal fragments (APP-CTF) and Aβ levels at the same time. TSPAN6 affects autophagosome-lysosomal fusion slowing down the degradation of APP-CTF. TSPAN6 recruits also the cytosolic, exosome-forming adaptor syntenin which increases secretion of exosomes that contain APP-CTF.

conclusionsTSPAN6 is a key player in the bifurcation between lysosomal-dependent degradation and exosome mediated secretion of APP-CTF. This corroborates the central role of the autophagosomal/lysosomal pathway in APP metabolism and shows that TSPAN6 is a crucial player in APP-CTF turnover.

Indexed as

Alzheimer DiseaseAmyloid beta-Protein PrecursorAnimalsBlotting, WesternExosomesHumansImaging, Three-DimensionalImmunohistochemistryLysosomesMiceMice, Inbred C57BLMice, KnockoutMicroscopy, ConfocalNeuronsReal-Time Polymerase Chain ReactionTetraspaninsAmyloid beta-Protein PrecursorTetraspaninsTSPAN6 protein, humanAlzheimer’s diseaseAmyloid precursor proteinIntraluminal vesiclesMultivesicular bodiesTetraspanin-6

Identifiers

PMID28279219
PMCPMC5345265
OpenAlexW2593917425

What OpenQuestion holds

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Registered trials

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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.