1. An CN, Jiang H, Wang Q, Yuan RP, Liu JM, Shi WL, Zhang ZY, XP P (2011) Downregulation of DJ-1 protein in the ejaculated spermatozoa from Chinese asthenozoospermia patients. Fertil Steril 96(1):19–23
2. Choi YJ, Uhm SJ, Song SJ et al (2008) Cytochrome c upregulation during capacitation and spontaneous acrosome reaction determines the fate of pig sperm cells: linking proteome analysis. J Reprod Dev 54(1):68–83
3. Klinefelter GR (2008) Saga of a sperm fertility biomarker. Anim Reprod Sci 105(1–2):90–103
4. Klinefelter GR, Laskey JW, Ferrell J et al (1997) Discriminant analysis indicates a single sperm protein (SP22) is predictive of fertility following exposure to epididymal toxicants. J Androl 18(2):139–150
5. Klinefelter GR, Welch JE, Perreault SD et al (2002) Localization of the sperm protein SP22 and inhibition of fertility in vivo and in vitro. J Androl 23(1):48–63