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Expression of Kiss1 and Kiss1R in rat spermatozoa collected from epididymis caput and cauda. (A) Western blot for Kiss1 and Kiss1R. (B,C) Normalizations of Kiss1 precursor, Kiss1, and Kiss1R protein levels carried out against α-Actin. Asterisks indicate statistically significant differences (p < 0.001, N = 4). Asterisks indicate statistically significant differences (p < 0.01).
