Conserved and divergent expression of miR-181a and miR-181b. (a,b) miR-181a and miR-181b expression in larval tectal (TeO) and migrated pretectal area cells (M1). (c,d) Comparable miR-181a and miR-181b expression in the adult optic tectum (sgz, cz) and pretectal nuclei (PSm, PSp). (e) miR-181a is expressed in more cells than (f) miR-181b (arrowheads) in the adult hypothalamic mamillary body (CM) and dorsal periventricular zone (Hd).
Kapsimali et al. Genome Biology 2007 8:R173 doi:10.1186/gb-2007-8-8-r173