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Publication : Characterization of dUTPase expression in mouse postnatal development and adult neurogenesis.

First Author  Nagy N Year  2024
Journal  Sci Rep Volume  14
Issue  1 Pages  13139
PubMed ID  38849394 Mgi Jnum  J:349845
Mgi Id  MGI:7658358 Doi  10.1038/s41598-024-63405-0
Citation  Nagy N, et al. (2024) Characterization of dUTPase expression in mouse postnatal development and adult neurogenesis. Sci Rep 14(1):13139
abstractText  The enzyme dUTPase has an essential role in maintaining genomic integrity. In mouse, nuclear and mitochondrial isoforms of the enzyme have been described. Here we present the isoform-specific mRNA expression levels in different murine organs during development using RT-qPCR. In this study, we analyzed organs of 14.5-day embryos and of postnatal 2-, 4-, 10-week- and 13-month-old mice. We demonstrate organ-, sex- and developmental stage-specific differences in the mRNA expression levels of both isoforms. We found high mRNA expression level of the nuclear isoform in the embryo brain, and the expression level remained relatively high in the adult brain as well. This was surprising, since dUTPase is known to play an important role in proliferating cells, and mass production of neural cells is completed by adulthood. Thus, we investigated the pattern of the dUTPase protein expression specifically in the adult brain with immunostaining and found that dUTPase is present in the germinative zones, the subventricular and the subgranular zones, where neurogenesis occurs and in the rostral migratory stream where neuroblasts migrate to the olfactory bulb. These novel findings suggest that dUTPase may have a role in cell differentiation and indicate that accurate dTTP biosynthesis can be vital, especially in neurogenesis.
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