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Multiple Genes On Chromosome 7 Regulate Dopaminergic Amacrine Cell Number In The Mouse Retina, Irene E. Whitney, Mary A. Day, Daniel C. Ciobanu, Robert W. Williams, Benjamin E. Reese
Multiple Genes On Chromosome 7 Regulate Dopaminergic Amacrine Cell Number In The Mouse Retina, Irene E. Whitney, Mary A. Day, Daniel C. Ciobanu, Robert W. Williams, Benjamin E. Reese
Department of Animal Science: Faculty Publications
Purpose—The size of neuronal populations is modulated by gene variants that influence cell production and survival, in turn influencing neuronal connectivity, function, and disease risk. The size of the dopaminergic amacrine (DA) cell population is a highly heritable trait exhibiting six-fold variation among inbred strains of mice, and is used here to identify genes that modulate the number of DA cells.
Methods—The entire population was counted in retinal wholemounts from 37 genetically defined lines of mice, including six standard inbred strains, 25 recombinant inbred strains (AXB/BXA), reciprocal F1 hybrids, a chromosome (Chr) 7 consomic line, and three additional …