Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids

Summary: Cystic fibrosis (CF) is a life-shortening autosomal recessive disease, caused by loss-of-function mutations that affect the CF transmembrane conductance regulator (CFTR) anion channel. G542X is the second-most common CF-causing variant, and it does not respond to current CFTR modulator drug...

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Main Authors: Lucia Nicosia, Iwona Pranke, Roberta V. Latorre, Joss B. Murray, Lisa Lonetti, Kader Cavusoglu-Doran, Elise Dreano, James P. Costello, Michael Carroll, Paola Melotti, Claudio Sorio, Isabelle Sermet-Gaudelus, Martina F. Scallan, Patrick T. Harrison
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:iScience
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589004225002391
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author Lucia Nicosia
Iwona Pranke
Roberta V. Latorre
Joss B. Murray
Lisa Lonetti
Kader Cavusoglu-Doran
Elise Dreano
James P. Costello
Michael Carroll
Paola Melotti
Claudio Sorio
Isabelle Sermet-Gaudelus
Martina F. Scallan
Patrick T. Harrison
author_facet Lucia Nicosia
Iwona Pranke
Roberta V. Latorre
Joss B. Murray
Lisa Lonetti
Kader Cavusoglu-Doran
Elise Dreano
James P. Costello
Michael Carroll
Paola Melotti
Claudio Sorio
Isabelle Sermet-Gaudelus
Martina F. Scallan
Patrick T. Harrison
author_sort Lucia Nicosia
collection DOAJ
description Summary: Cystic fibrosis (CF) is a life-shortening autosomal recessive disease, caused by loss-of-function mutations that affect the CF transmembrane conductance regulator (CFTR) anion channel. G542X is the second-most common CF-causing variant, and it does not respond to current CFTR modulator drugs. Our study explores the use of adenine base editing to edit G542X to a non-CF-causing variant, G542R, and recover CFTR function. Using base editor engineered virus-like particles (BE-eVLPs) in patient-derived intestinal organoids, we achieved ∼2% G542X-to-G542R editing efficiency and restored CFTR-mediated chloride transport to ∼6.4% of wild-type levels, independent of modulator treatment, and with no bystander edits. This proof-of-principle study demonstrates the potential of base editing to rescue G542X and provides a foundation for future in-vivo applications.
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issn 2589-0042
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publishDate 2025-03-01
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spelling doaj-art-36d2ac43cc19488d977102bf373cd18c2025-08-20T01:58:28ZengElsevieriScience2589-00422025-03-0128311197910.1016/j.isci.2025.111979Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoidsLucia Nicosia0Iwona Pranke1Roberta V. Latorre2Joss B. Murray3Lisa Lonetti4Kader Cavusoglu-Doran5Elise Dreano6James P. Costello7Michael Carroll8Paola Melotti9Claudio Sorio10Isabelle Sermet-Gaudelus11Martina F. Scallan12Patrick T. Harrison13Department of Physiology, University College Cork, Cork, Ireland; School of Microbiology, University College Cork, Cork, IrelandINSERM, CNRS, Institut Necker Enfants Malades, Paris, France; Université Paris-Cité, Paris, FranceDepartment of Medicine, University of Verona, Verona, ItalyDepartment of Physiology, University College Cork, Cork, IrelandDepartment of Physiology, University College Cork, Cork, IrelandDepartment of Physiology, University College Cork, Cork, IrelandINSERM, CNRS, Institut Necker Enfants Malades, Paris, France; Université Paris-Cité, Paris, FranceSchool of Microbiology, University College Cork, Cork, IrelandSchool of Microbiology, University College Cork, Cork, IrelandCystic Fibrosis Center, Azienda Ospedaliera Universitaria Integrata Verona, Verona, ItalyDepartment of Medicine, University of Verona, Verona, ItalyINSERM, CNRS, Institut Necker Enfants Malades, Paris, France; Université Paris-Cité, Paris, France; Cystic Fibrosis National Pediatric Reference Center, Pneumo-Allergologie Pédiatrique, Hôpital Necker Enfants Malades, , Assistance Publique Hôpitaux de Paris (AP-HP), Paris, France; European Reference Network, ERN-Lung CF, Frankfurt am Mein, GermanySchool of Microbiology, University College Cork, Cork, IrelandDepartment of Physiology, University College Cork, Cork, Ireland; Division of Pulmonary Medicine, Cincinnati Children’s Hospital, Cincinnati, OH, USA; Corresponding authorSummary: Cystic fibrosis (CF) is a life-shortening autosomal recessive disease, caused by loss-of-function mutations that affect the CF transmembrane conductance regulator (CFTR) anion channel. G542X is the second-most common CF-causing variant, and it does not respond to current CFTR modulator drugs. Our study explores the use of adenine base editing to edit G542X to a non-CF-causing variant, G542R, and recover CFTR function. Using base editor engineered virus-like particles (BE-eVLPs) in patient-derived intestinal organoids, we achieved ∼2% G542X-to-G542R editing efficiency and restored CFTR-mediated chloride transport to ∼6.4% of wild-type levels, independent of modulator treatment, and with no bystander edits. This proof-of-principle study demonstrates the potential of base editing to rescue G542X and provides a foundation for future in-vivo applications.http://www.sciencedirect.com/science/article/pii/S2589004225002391Health sciencesClinical geneticsCellular therapyGenetic engineering
spellingShingle Lucia Nicosia
Iwona Pranke
Roberta V. Latorre
Joss B. Murray
Lisa Lonetti
Kader Cavusoglu-Doran
Elise Dreano
James P. Costello
Michael Carroll
Paola Melotti
Claudio Sorio
Isabelle Sermet-Gaudelus
Martina F. Scallan
Patrick T. Harrison
Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids
iScience
Health sciences
Clinical genetics
Cellular therapy
Genetic engineering
title Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids
title_full Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids
title_fullStr Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids
title_full_unstemmed Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids
title_short Adenine base editing with engineered virus-like particles rescues the CFTR mutation G542X in patient-derived intestinal organoids
title_sort adenine base editing with engineered virus like particles rescues the cftr mutation g542x in patient derived intestinal organoids
topic Health sciences
Clinical genetics
Cellular therapy
Genetic engineering
url http://www.sciencedirect.com/science/article/pii/S2589004225002391
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