Evidence map›Paper›PMID 33652850›Full record

ArticleMolecules (Basel, Switzerland)2021

Evaluation of Fused Pyrrolothiazole Systems as Correctors of Mutant CFTR Protein.

Virginia Spanò, Marilia Barreca, Vincenzo Cilibrasi, Michele Genovese, Mario Renda, Alessandra Montalbano, Luis Juan Vicente Galietta, Paola Barraja

Abstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing 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

9 citing papers in PubMed.

  1. Article
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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

8 authors.

Virginia SpanòDepartment of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy.
Marilia BarrecaDepartment of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy.
Vincenzo CilibrasiDepartment of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy.
Michele GenoveseTelethon Institute of Genetics and Medicine (TIGEM), Campi Flegrei 34, 80078 Naples, Italy.
Mario RendaTelethon Institute of Genetics and Medicine (TIGEM), Campi Flegrei 34, 80078 Naples, Italy.
Alessandra MontalbanoDepartment of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy.
Luis Juan Vicente GaliettaTelethon Institute of Genetics and Medicine (TIGEM), Campi Flegrei 34, 80078 Naples, Italy.
Paola BarrajaDepartment of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy.

Funding

Fondazione per la Ricerca sulla Fibrosi Cistica FFC#4/2018Fondazione per la Ricerca sulla Fibrosi Cistica FFC#6/2019
6 · The paper itself

Abstract

Cystic fibrosis (CF) is a genetic disease caused by mutations that impair the function of the CFTR chloride channel. The most frequent mutation, F508del, causes misfolding and premature degradation of CFTR protein. This defect can be overcome with pharmacological agents named "correctors". So far, at least three different classes of correctors have been identified based on the additive/synergistic effects that are obtained when compounds of different classes are combined together. The development of class 2 correctors has lagged behind that of compounds belonging to the other classes. It was shown that the efficacy of the prototypical class 2 corrector, the bithiazole corr-4a, could be improved by generating conformationally-locked bithiazoles. In the present study, we investigated the effect of tricyclic pyrrolothiazoles as analogues of constrained bithiazoles. Thirty-five compounds were tested using the functional assay based on the halide-sensitive yellow fluorescent protein (HS-YFP) that measured CFTR activity. One compound, having a six atom carbocyle central ring in the tricyclic pyrrolothiazole system and bearing a pivalamide group at the thiazole moiety and a 5-chloro-2-methoxyphenyl carboxamide at the pyrrole ring, significantly increased F508del-CFTR activity. This compound could lead to the synthesis of a novel class of CFTR correctors.

Indexed as

Aminoimidazole CarboxamideBenzodioxolesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorHumansMutant ProteinsMutationProtein FoldingThiazolesAminoimidazole CarboxamideBenzodioxolesCystic Fibrosis Transmembrane Conductance RegulatorMutant ProteinsThiazolesCFTRCFTR correctorCFTR potentiatorcystic fibrosisF508del-CFTR

Identifiers

PMID33652850
PMCPMC7956813

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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.