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Identification of a second presenilin gene in zebrafish with similarity to the human Alzheimer's disease gene presenilin2

Abstract.

Presenilins play prominent roles in the molecular pathogenesis of Alzheimer's disease and during embryo development. We have isolated a zebrafish presenilin orthologue (pre2), which shows a high degree of sequence identity to the human PS2 protein. Zebrafish pre2 is maternally and ubiquitously expressed during early embryo development, whereas Pre2 protein expression is initiated between 6 and 12 hours post fertilisation (hpf), suggesting strict regulation of pre2 translation. pre2 expression is especially high in neural-crest-derived melanocytes.

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Groth, C., Nornes, S., McCarty, R. et al. Identification of a second presenilin gene in zebrafish with similarity to the human Alzheimer's disease gene presenilin2 . Dev Genes Evol 212, 486–490 (2002). https://doi.org/10.1007/s00427-002-0269-5

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  • Alzheimer's disease Presenilin Neural crest Melanocyte Zebrafish