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Application of CRISPR/Cas9 technology in the modeling of Gaucher disorder.
Biochem Biophys Rep
December 2024
Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Gaucher disease (GD) is a metabolic disorder caused by mutations in the , located on 1q22. This gene encodes glucocerebrosidase (glucosylceramidase) enzyme. GD has a wide range of clinical manifestations from a perinatally lethal type to an asymptomatic form.
View Article and Find Full Text PDFTrisomy 18 and the possibility of choice: The importance of Perinatal Hospice's support.
Eur J Pediatr
January 2025
Unit of Obstetrics and Gynecology, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, Rome, Italy.
Trisomy 18 is a severe aneuploidy associated with multiple malformations and a poor prognosis. The diagnosis is typically made prenatally, leading to a high rate of pregnancy terminations. The aim of this study is to demonstrate that even though the prognosis is heterogeneous, prolonged survival is possible and these children are an enrichment for their families after all.
View Article and Find Full Text PDFTissue-specific roles of de novo DNA methyltransferases.
Epigenetics Chromatin
January 2025
Department of Molecular Biology, Semmelweis University, Budapest, Hungary.
DNA methylation, catalyzed by DNA methyltransferases (DNMT), plays pivotal role in regulating embryonic development, gene expression, adaption to environmental stress, and maintaining genome integrity. DNMT family consists of DNMT1, DNMT3A, DNMT3B, and the enzymatically inactive DNMT3L. DNMT3A and DNMT3B establish novel methylation patterns maintained by DNMT1 during replication.
View Article and Find Full Text PDFBiallelic variants in AGRN with recurrent pregnancy losses in a family with a fetal akinesia deformation sequence.
Clin Dysmorphol
January 2025
Department of Medical Genetics, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, India.
Introduction: Agrin, encoded by AGRN, plays a vital role in the acetylcholine receptor clustering pathway, and any defects in this pathway are known to cause congenital myasthenic syndrome (CMS) 8 in early childhood with variable fatigable muscle weakness. The most severe or lethal form of CMS manifests as a fetal akinesia deformation sequence (FADS). To date, only one family has been reported with an association of null variants in AGRN and a lethal FADS.
View Article and Find Full Text PDFSevere neonatal hypotonia due to variant affecting function of ZnT5 zinc transporter.
JIMD Rep
January 2025
The Morris Kahn Laboratory of Human Genetics, Faculty of Health Sciences Ben Gurion University Beer-Sheva Israel.
The tightly-regulated spatial and temporal distribution of zinc ion concentrations within cellular compartments is controlled by two groups of Zn transporters: the 14-member ZIP/SLC39 family, facilitating Zn influx into the cytoplasm from the extracellular space or intracellular organelles; and the 10-member ZnT/SLC30 family, mobilizing Zn in the opposite direction. Genetic aberrations in most zinc transporters cause human syndromes. Notably, previous studies demonstrated osteopenia and male-specific cardiac death in mice lacking the ZnT5/ zinc transporter, and suggested association of two homozygous frameshift variants with perinatal mortality in humans, due to hydrops fetalis and hypertrophic cardiomyopathy.
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