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Generation and characterization of NGLY1 patient-derived midbrain organoids

ABSTRACT: Generation and characterization of NGLY1 patient-derived midbrain organoids

PROVIDER: PRJNA930476 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23310364_1.fastq.gz	Fastqsanger.gz
	SRR23310364_2.fastq.gz	Fastqsanger.gz
	SRR23310365_1.fastq.gz	Fastqsanger.gz
	SRR23310365_2.fastq.gz	Fastqsanger.gz
	SRR23310366_1.fastq.gz	Fastqsanger.gz

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Generation and characterization of NGLY1 patient-derived midbrain organoids

Project description:NGlY1 deficiency is an ultra-rare, autosomal recessive genetic disease caused by mutations in the NGLY1 gene encoding N-glycanase one that removes N-linked glycan. Patients with pathogenic mutations in NGLY1 have complex clinical symptoms including global developmental delay, motor disorder, and liver dysfunction. To better understand disease pathogensis and neurological symptoms of NGLY1 deficiency we generated and characterized midbrain organoids using patient-derived iPSCs from two patients with disease causing mutations.

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Generation and characterization of NGLY1 patient-derived midbrain organoids.

Project description:NGLY1 deficiency is an ultra-rare, autosomal recessive genetic disease caused by mutations in the NGLY1 gene encoding N-glycanase one that removes N-linked glycan. Patients with pathogenic mutations in NGLY1 have complex clinical symptoms including global developmental delay, motor disorder and liver dysfunction. To better understand the disease pathogenesis and the neurological symptoms of the NGLY1 deficiency we generated and characterized midbrain organoids using patient-derived iPSCs from two patients with distinct disease-causing mutations-one homozygous for p. Q208X, the other compound heterozygous for p. L318P and p. R390P and CRISPR generated NGLY1 knockout iPSCs. We demonstrate that NGLY1 deficient midbrain organoids show altered neuronal development compared to one wild type (WT) organoid. Both neuronal (TUJ1) and astrocytic glial fibrillary acid protein markers were reduced in NGLY1 patient-derived midbrain organoids along with neurotransmitter GABA. Interestingly, staining for dopaminergic neuronal marker, tyrosine hydroxylase, revealed a significant reduction in patient iPSC derived organoids. These results provide a relevant NGLY1 disease model to investigate disease mechanisms and evaluate therapeutics for treatments of NGLY1 deficiency.

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