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A Transgenic Marker For Newly Born Granule Cells In Dentate Gyrus, Linda S. Overstreet, Shane T. Hentges, Viviana F. Bumaschny, Flavio S.J. De Souza, James L. Smart, Andrea M. Santangelo, Malcolm J. Low, Gary L. Westbrook, Marcelo Rubinstein
A Transgenic Marker For Newly Born Granule Cells In Dentate Gyrus, Linda S. Overstreet, Shane T. Hentges, Viviana F. Bumaschny, Flavio S.J. De Souza, James L. Smart, Andrea M. Santangelo, Malcolm J. Low, Gary L. Westbrook, Marcelo Rubinstein
Faculty Publications - Department of Biological & Molecular Science
Neurogenesis in the dentate gyrus continues into adulthood, yet little is known about the function of newly born neurons or how they integrate into an existing network of mature neurons. We made transgenic mice that selectively and transiently express enhanced green fluorescent protein (EGFP) in newly born granule cells of the dentate gyrus under the transcriptional control of proopiomelanocortin (POMC) genomic sequences. Analysis of transgenic pedigrees with truncation or deletion mutations indicated that EGFP expression in the dentate gyrus required cryptic POMC promoter regions dispensable for arcuate hypothalamic or pituitary expression. Unlike arcuate neurons, dentate granule cells did not express …