Two patient-derived induced pluripotent stem cell lines generated from clinically diagnosed HHT donors carrying heterozygous ACVRL1 mutations show expected iPSC morphology, robust expression of markers of the undifferentiated iPSC state, genomic stability by LP-WGS, and tri-lineage differentiation capacity.
Abstract
Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant vascular disorder in which dysregulated endothelial signaling drives telangiectasias and arteriovenous malformations across multiple organs. Loss-of-function variants in ACVRL1 (ALK1), a core receptor in BMP9/10 signaling, are a major genetic cause. Here we report two patient-derived induced pluripotent stem cell (iPSC) lines generated from clinically diagnosed HHT donors carrying heterozygous ACVRL1 mutations: c.129dup (p.Pro44Alafs*125) and c.430C > T (p.Arg144*). Both lines showed expected iPSC morphology, robust expression of markers of the undifferentiated iPSC state, genomic stability by LP-WGS, and tri-lineage differentiation capacity. These resources enable human cell-based studies of ACVRL1 haploinsufficiency and provide a starting point for mechanistic and therapeutic work focused on HHT vascular pathobiology.
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Induced pluripotent stem cell lines derived from two Marfan syndrome patients with mutations in the FBN1 gene exhibited typical iPSC morphology, normal karyotype, undifferentiated states, and trilineage differentiation capacity.
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We generated a human induced pluripotent stem cell (hiPSC) clonal line, JHUi010-A, from a 48-year-old female diagnosed with arrhythmogenic cardiomyopathy (ACM) carrying a heterozygous DSG2 c.2358delA variant using Sendai virus vectors expressing the Yamanaka factors. The line exhibits a normal karyotype, expresses stem...
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PURPOSE
Unravelling causal links between unique structural/copy-number variants (SV/CNV) and associated phenotypes is essential for correct genetic counselling. We investigated two families in which patients with craniosynostosis had SV/CNV potentially dysregulating a fibroblast growth factor (FGF)-encoding gene; a 730...
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Diamond-Blackfan anemia (DBA) is a rare inherited bone marrow failure syndrome characterized by defective erythropoiesis and increased risk of congenital malformations and cancer. Progress in understanding DBA pathophysiology has been hindered by the lack of physiologically relevant disease models, limited public fundi...
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