The Genea023 human embryonic stem cell line was derived from a donated, fully commercially consented ART blastocyst, through ICM outgrowth on inactivated feeders. The line showed pluripotent cell morphology and genomic analysis verified a 46, XY karyotype and male allele pattern through CGH and STR analysis. Pluripotency of Genea023 was demonstrated with 85% of cells expressed Nanog, 98% Oct4, 55% Tra1-60 and 98% SSEA4, gave a Pluritest Pluripotency score of 42.76, Novelty of 1.23, demonstrated Alkaline Phosphatase activity and tri-lineage teratoma formation. The cell line was negative for Mycoplasma and visible contamination.
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| http://dx.doi.org/10.1016/j.scr.2016.02.012 | DOI Listing |
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CIROZ is dispensable in ancestral vertebrates but essential for left-right patterning in humans.
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Four genes-DAND5, PKD1L1, MMP21, and CIROP-form a genetic module that has specifically evolved in vertebrate species that harbor motile cilia in their left-right organizer (LRO). We find here that CIROZ (previously known as C1orf127) is also specifically expressed in the LRO of mice, frogs, and fish, where it encodes a protein with a signal peptide followed by 3 zona pellucida N domains, consistent with extracellular localization. We report 16 individuals from 10 families with bi-allelic CIROZ inactivation variants, which cause heterotaxy with congenital heart defects.
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