Generation of diseased and isogenic control human induced pluripotent stem cell lines MHHi043-A & MHHi043-B from a female Fabry disease patient carrying c.644A > G missense mutation.
Aug 2026· Stem Cell Research· Vol 95, pp.
104084
· 0 citations· 2 references
Medicine
TL;DR
Two human induced pluripotent stem cell lines from a female FD patient carrying a heterozygous c.644A > G missense mutation provide a valuable resource for studying FD mechanisms and developing therapeutic strategies.
Abstract
Fabry disease (FD) is a monogenic, X-linked lysosomal storage disorder originating from mutations in the GLA gene, which encodes alpha-galactosidase A. Impaired enzyme activity leads to accumulation of the substrate globotriaosylceramide (Gb3) and a multisystemic phenotype. Here, we generated two human induced pluripotent stem cell (hiPSC) lines from a female FD patient carrying a heterozygous c.644A > G missense mutation. The hiPSCs displayed normal karyotype, typical morphology, trilineage differentiation capacity and expressed markers of undifferentiated hPSC state. Consequently, MHHi043-A and MHHi043-B provide a valuable resource for studying FD mechanisms and developing therapeutic strategies.
Fabry disease is a rare genetic disease caused by loss-of-function in the GLA gene. This gene encodes the lysosomal enzyme α-galactosidase A (α-Gal A). A deficiency of α-Gal A results in the globotriaosylceramide buildup throughout the major organs, which is associated with increased mortality from cardiac disease in patients with Fabry disease. Both females and males are affected by this X-linked disease. We generated and characterized induced pluripotent stem cell (iPSC) lines from peripheral blood mononuclear cells (PBMCs) of two female patients carrying a heterozygous GLA mutation. The two Fabry disease patient-derived iPSC lines are thoroughly characterized and genetically accurate, valuable human cell resources for preclinical research.
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DOK7-related Congenital Myasthenic Syndrome (CMS) is a rare genetic neuromuscular junction disorder. This is one of the most common of the recessive forms of CMS, often presenting with more static proximal weakness (hence also referred to as limb girdle CMS). Whole-genome sequencing of affected patients implicates frameshift duplication mutations in DOK7 as drivers of impaired neuromuscular-junction signaling. In this study, we generated a human induced pluripotent stem cell (hiPSC) line TRNDi045-A-38 from the KOLF2.1J reference line, engineered to carry homozygous DOK7 c.1124_1127dupTGCC mutation knock-in using CRISPR/Cas9. This iPSC line could be used for in vitro disease modeling to study disease pathophysiology and for therapeutic development.
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Hutchinson-Gilford Progeria Syndrome (HGPS) is an ultra-rare systemic laminopathy caused by a heterozygous point mutation in the LMNA gene encoding Lamin A/C (c.1824C > T, p.G608G). This synonymous mutation causes the production of a toxic form of Lamin A called Progerin. Integration of Progerin within the nuclear lamina disrupts cellular processes such as chromatin organization and gene transcription. Here we generated and characterized the induced isogenic pluripotency stem cell control line generated by correcting the c.1824C > T mutation. Used together with its parental line, this isogenic line excludes differences in genetic background while studying the pathophysiology of HGPS.
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Patient-derived induced pluripotent stem cells (hiPSC) are a valuable approach to model cardiovascular diseases. We nucleofected non-integrating episomal vectors in skin fibroblasts of four family members. Two of them carried the single nucleotide variant (SNV) SCN5A_c.287 T > C, leading to NaV1.5_p.L96P, and two were non-carrier family members. The resulting hiPSC cell lines differentiate into cells of the 3 germ layers, display normal karyotypes and express markers of the undifferentiated hPSC state. Thus, they are a reliable source to study the effect of the identified mutation in a physiologically relevant environment.
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We report the generation and characterization of a human induced pluripotent stem cell (iPSC) line derived from dermal fibroblasts of a patient with Skogholt’s disease, a rare maternally inherited neurodegenerative syndrome associated with choroid plexus dysfunction and impaired cerebrospinal fluid (CSF) homeostasis. Patient fibroblasts were reprogrammed using the non-integrating Repro-OSKGM kit. The resulting iPSC line exhibited typical pluripotent morphology, expressed canonical pluripotency markers, maintained a normal karyotype, retained the disease-associated genetic variant, was mycoplasma-free, and demonstrated trilineage differentiation potential. We also made choroid plexus (ChP) like organoids from the generated iPSCs. This patient-specific iPSC line provides a valuable resource for generating choroid plexus organoids and neurons to investigate disease mechanisms and develop therapeutic strategies.
Prolidase deficiency is an autosomal recessive inborn error of metabolism caused by pathogenic variants in the PEPD gene. To date, close to 200 patients have been reported worldwide with a poorly understood pathomechanism. The PEPD gene encodes an enzyme that is involved in the final steps of collagen degradation. Urine amino acid analysis or specific dipeptide analysis can establish the biochemical diagnosis. In this study, we reprogrammed peripheral blood mononuclear cells (PBMCs) from three prolidase deficient patients into induced pluripotent stem cell (iPSC) lines and additionally generated isogenic controls using CRISPR-Cas9 genome editing. The pathogenic PEPD variants identified in our patients were NP_000276.2:p.? (NIHTVBi032-A), NP_000276.2:p.(Ile415Asn)/NP_000276.2:p.(Trp326Ter) (NIHTVBi033-A), and NP_000276.2:p.(Arg265Ter) (NIHTVBi034-A). These iPSC lines are valuable models to help investigate the pathomechanism of prolidase deficiency.
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