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Fig. 5. Reduced number of newborn interneurons in the adult olfactory bulb after
cyclopamine treatment. (A) Experimental procedure. BrdU injections are done
during cyclopamine or vehicle treatment. One month post-injection, the number
of newborn neurons is quantified after BrdU staining. (B,C,D,E) Photographs of
the BrdU staining in the olfactory bulb of vehicle- (B,C) or cyclopamine-
(D,E) treated mice. (F) The number of BrdU+ cells in the olfactory
bulb of cyclopamine-treated mice (open circle, n=5) is significantly
reduced in comparison to vehicle-treated mice (filled circle, n=5)
along the antero-posterior axis. Error bars=s.e.m.