Evidence map›Paper›PMID 39463404›Full record

ArticleNPJ Parkinson's disease2024

Structural basis of epitope recognition by anti-alpha-synuclein antibodies MJFR14-6-4-2.

Ilva Liekniņa, Lasse Reimer, Teodors Panteļejevs, Alons Lends, Kristaps Jaudzems, Aadil El-Turabi, Hjalte Gram, Anissa Hammi, Poul Henning Jensen, Kaspars Tārs

Abstract read
In one paragraph

Article in NPJ Parkinson's disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
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

8 citing papers in PubMed.

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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

10 authors.

Ilva Liekniņa *Latvian Biomedical Research and Study Centre, Ratsupites 1, k-1, LV-1067, Riga, Latvia.
Lasse Reimer *University of Aarhus, Danish Research Institute of Translational Neuroscience DANDRITE and Department of Biomedicine, Aarhus, Denmark.
Teodors PanteļejevsLatvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006, Riga, Latvia.
Alons LendsLatvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006, Riga, Latvia.
Kristaps JaudzemsLatvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006, Riga, Latvia.
Aadil El-TurabiUniversity of Oxford, Jenner Institute, Nuffield Department of Medicine, OX3 7DQ, Oxford, UK.
Hjalte GramUniversity of Aarhus, Danish Research Institute of Translational Neuroscience DANDRITE and Department of Biomedicine, Aarhus, Denmark.
Anissa HammiUniversity of Aarhus, Danish Research Institute of Translational Neuroscience DANDRITE and Department of Biomedicine, Aarhus, Denmark.
Poul Henning JensenUniversity of Aarhus, Danish Research Institute of Translational Neuroscience DANDRITE and Department of Biomedicine, Aarhus, Denmark. phj@biomed.au.dk.
Kaspars TārsLatvian Biomedical Research and Study Centre, Ratsupites 1, k-1, LV-1067, Riga, Latvia. kaspars@biomed.lu.lv.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Alpha-synuclein (α-syn) inclusions in the brain are hallmarks of so-called Lewy body diseases. Lewy bodies contain mainly aggregated α-syn together with some other proteins. Monomeric α-syn lacks a well-defined three-dimensional structure, but it can aggregate into oligomeric and fibrillar amyloid species, which can be detected using specific antibodies. Here we investigate the aggregate specificity of monoclonal MJFR14-6-4-2 antibodies. We conclude that partial masking of epitope in unstructured monomer in combination with a high local concentration of epitopes is the main reason for MJFR14-6-4-2 selectivity towards aggregates. Based on the structural insight, we produced mutant α-syn that when fibrillated is unable to bind MJFR14-6-4-2. Using these fibrils as a tool for seeding cellular α-syn aggregation, provides superior signal/noise ratio for detection of cellular α-syn aggregates by MJFR14-6-4-2. Our data provide a molecular level understanding of specific recognition of toxic amyloid oligomers, which is critical for the development of inhibitors against synucleinopathies.

Identifiers

PMID39463404
PMCPMC11514253

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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.