Fig. 7.
Loss of Otx2 expression results in decreased LH serum levels and fewer sperm. Average serum (a) LH and (b) FSH levels of 6–8-month-old male mice (n = 5–7). c Average testosterone level of 6–8-month-old males (n = 5). d Average number of sperm per epididymis of 6–8-month-old males (n = 5). Student t test, ** p < 0.01, *** p < 0.01.