Evidence map›Paper›PMID 34505136›Full record

ArticleHuman molecular genetics2022

CFTR corrector C17 is effective in muscular dystrophy, in vivo proof of concept in LGMDR3.

Martina Scano, Alberto Benetollo, Leonardo Nogara, Michela Bondì, Francesco Dalla Barba, Michela Soardi, Sandra Furlan, Eylem Emek Akyurek, Paola Caccin, Marcello Carotti and 3 more

Open access · hybridAbstract read
In one paragraph

Article in Human molecular genetics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.0field-weighted citation impact, top 25% 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

17 citing papers in PubMed, 21 citations in OpenAlex.

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  10. Targeting ubiquitination machinery in cystic fibrosis: Where do we stand?Cellular and molecular life sciences : CMLS · 2024
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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

13 authors at 3 institutions in 1 country.

Martina ScanoDepartment of Biomedical Sciences, University of Padova, Padova, Italy.ORCID 0000-0002-8761-1730
Alberto BenetolloDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Leonardo NogaraVenetian Institute of Molecular Medicine, University of Padova, Padova, Italy.
Michela BondìDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Francesco Dalla BarbaDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Michela SoardiDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Sandra FurlanNeuroscience Institute - Italian National Research Council (CNR), Padova, Italy.
Eylem Emek AkyurekDepartment of Comparative Biomedicine and Food Science, University of Padova, Padova, Italy.
Paola CaccinDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Marcello CarottiDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Roberta SacchettoDepartment of Comparative Biomedicine and Food Science, University of Padova, Padova, Italy.
Bert BlaauwDepartment of Biomedical Sciences, University of Padova, Padova, Italy.
Dorianna SandonàDepartment of Biomedical Sciences, University of Padova, Padova, Italy.ORCID 0000-0002-9908-2442
University of Padua · ITNeuroscience Institute · ITVeneto Institute of Molecular Medicine · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Limb-girdle muscular dystrophy R3 (LGMDR3) is caused by mutations in the SGCA gene coding for α-sarcoglycan (SG). Together with β- γ- and δ-SG, α-SG forms a tetramer embedded in the dystrophin associated protein complex crucial for protecting the sarcolemma from mechanical stresses elicited by muscle contraction. Most LGMDR3 cases are due to missense mutations, which result in non-properly folded, even though potentially functional α-SG. These mutants are prematurely discarded by the cell quality control. Lacking one subunit, the SG-complex is disrupted. The resulting loss of function leads to sarcolemma instability, muscle fiber damage and progressive limb muscle weakness. LGMDR3 is severely disabling and, unfortunately, still incurable. Here, we propose the use of small molecules, belonging to the class of cystic fibrosis transmembrane regulator (CFTR) correctors, for recovering mutants of α-SG defective in folding and trafficking. Specifically, CFTR corrector C17 successfully rerouted the SG-complex containing the human R98H-α-SG to the sarcolemma of hind-limb muscles of a novel LGMDR3 murine model. Notably, the muscle force of the treated model animals was fully recovered. To our knowledge, this is the first time that a compound designated for cystic fibrosis is successfully tested in a muscular dystrophy and may represent a novel paradigm of treatment for LGMDR3 as well as different other indications in which a potentially functional protein is prematurely discarded as folding-defective. Furthermore, the use of small molecules for recovering the endogenous mutated SG has an evident advantage over complex procedures such as gene or cell transfer.

Indexed as

Cystic FibrosisMuscular DystrophiesMuscular Dystrophies, Limb-GirdleAnimalsCystic Fibrosis Transmembrane Conductance RegulatorMiceMuscle, SkeletalSarcoglycansCystic Fibrosis Transmembrane Conductance RegulatorSarcoglycans

Identifiers

PMID34505136
PMCPMC8863415
OpenAlexW3198132238

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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.