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Highlights of Precision Medicine, Genetics, Epigenetics and Artificial Intelligence in Pompe Disease.
Int J Mol Sci
January 2025
Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), 90146 Palermo, Italy.
Pompe disease is a neuromuscular disorder caused by a deficiency of the enzyme acid alpha-glucosidase (), which leads to lysosomal glycogen accumulation and progressive development of muscle weakness. Two distinct isoforms have been identified. In the infantile form, the weakness is often severe and leads to motor difficulties from the first few months of life.
View Article and Find Full Text PDFClinical manifestations in Egyptian Pompe disease patients: Molecular variability and enzyme replacement therapy (ERT) outcomes.
Ital J Pediatr
January 2025
Pediatrics Department, Genetics Unit, Mansoura University, Mansoura, Egypt.
Background: Pompe disease is a rare genetic disorder caused by a deficiency of the enzyme acid alpha-glucosidase. This condition leads to muscle weakness, respiratory problems, and heart abnormalities in affected individuals.
Methods: The aim of the study is to share our experience through cross sectional study of patients with infantile-onset Pompe disease (IOPD) with different genetic variations, resulting in diverse clinical presentations.
Navigating Pompe Disease Assessment: A Comprehensive Scoping Review.
Cureus
November 2024
Rare Diseases, Rare Diseases Community (RDCom), Buenos Aires, ARG.
Pompe disease (PD) is a rare progressive autosomal recessive disorder resulting from the deficiency of acid alpha-glucosidase (GAA) enzyme activity. Due to its multisystemic involvement, PD leads to significant morbidity and impacts patients' quality of life. Despite the availability of approved disease-modifying treatments, the prompt diagnosis and management of PD, which are crucial for patient outcomes, still present several challenges.
View Article and Find Full Text PDFQuantitative Systems Pharmacology-Based Digital Twins Approach Supplements Clinical Trial Data for Enzyme Replacement Therapies in Pompe Disease.
Clin Pharmacol Ther
February 2025
Translational Disease Modeling, Translational Medicine and Early Development, Sanofi, Bridgewater, New Jersey, USA.
Pompe disease is a rare, progressive neuromuscular disease caused by deficient lysosomal glycogen degradation, and includes both late-onset (LOPD) and severe infantile-onset (IOPD) phenotypes. Due to very small patient numbers in IOPD and the high phenotypic heterogeneity observed in this population, a quantitative systems pharmacology (QSP)-based "digital twin" approach was developed to perform an in silico comparison of the efficacy of avalglucosidase alfa vs. the standard of care, in a virtual population of IOPD patients.
View Article and Find Full Text PDFA novel CD71 Centyrin:Gys1 siRNA conjugate reduces glycogen synthesis and glycogen levels in a mouse model of Pompe disease.
Mol Ther
January 2025
Center for Medical Education, Ball State University, Muncie, IN 47306, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine-Muncie, Muncie, IN 47303, USA. Electronic address:
Article Synopsis
- Pompe disease results from a deficiency in acid alpha-glucosidase, leading to muscle weakness, respiratory issues, and cardiomyopathy in infants; the only current treatment is enzyme replacement therapy (ERT).
- A new approach using a Centyrin protein-conjugated short interfering RNA (siRNA) targets the transferrin receptor (CD71) and the GYS1 enzyme to inhibit glycogen synthesis, potentially restoring glycogen balance instead of just degrading it.
- In tests on a Pompe mouse model, this novel siRNA conjugate effectively reduced GYS1 levels and glycogen accumulation, improving exercise performance, indicating its promise as a therapy for late-onset Pompe disease or in combination with ERT for infants.
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