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IPSCs from patients with NBS as a model uncovering disease mechanisms and a screening platform for anti-oxidants modifying genomic stability

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE94708 | GEO | 2017/08/18

SECONDARY ACCESSION(S): PRJNA373846

REPOSITORIES: GEO

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iPSCs from patients with NBS as a model uncovering disease mechanisms and a screening platform for anti-oxidants modifying genomic stability [iPSCs]

Project description:Nijmegen Breakage Syndrome (NBS) is a rare autosomal recessive genetic disorder, first described 1981 in Nijmegen, Holland. The characteristics of NBS include genomic instability (resulting in early onset of malignancies), premature aging, microcephaly and other growth retardations, immune deficiency, and impaired puberty and fertility in females. The consequence of these manifestations is a severe decrease in average life span, caused by cancer or infection of the respiratory and urinary tract. We reprogrammed fibroblasts from NBS patients into induced pluripotent stem cells (iPSCS) to bypass premature senescence and to generate an unlimited cell source for modeling purposes. We screened the influence of antioxidants on intracellular levels of ROS and DNA damage and found that EDHB was able to decrease DNA damage in the presence of high oxidative stress. Furthermore, we found that NBS fibroblasts, but not NBS-iPSCs were more susceptible to the induction of DNA damage than their normal counterparts. We performed global transcriptome analysis comparing NBS to normal fibroblasts and NBS-iPSCs to hESCs. There, we found, that TP53 was activated and cell cycle genes broadly down-regulated in NBS fibroblasts and up-regulation of glycolysis specifically in NBS-iPSCs.

2017-08-18 | GSE94707 | GEO

iPSCs from patients with NBS as a model uncovering disease mechanisms and a screening platform for anti-oxidants modifying genomic stability [fibroblasts]

2017-08-18 | GSE94706 | GEO

iPSCs from patients with NBS as a model uncovering disease mechanisms and a screening platform for anti-oxidants modifying genomic stability

Project description:iPSCs from patients with NBS as a model uncovering disease mechanisms and a screening platform for anti-oxidants modifying genomic stability

| PRJNA373846 | ENA