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. 2016 Mar 8;65(3):253–265. doi: 10.1538/expanim.15-0104

Fig. 8.

Fig. 8.

Effect of anti-pCABS1 antiserum on the acrosome reaction of porcine sperm. (A–D) Representative photos of four fluorescence patterns stained with FITC-conjugated peanut agglutinin (PNA)-lectin and propidium iodide (PI) for the assessment of acrosome status and sperm viability. (A, B) Live sperm without PI staining. (C, D) Dead sperm showing nuclear red PI fluorescence. (A) Acrosome-reacted sperm with acrosomal cap and uniform green fluorescence FITC-PNA. (B) Acrosome-unreacted sperm with no staining of the acrosomal cap. Scale bars: 5 µm. (E) Percentage of acrosome-reacted live sperm after incubation with anti-pCABS1 diluted 1:200 and 1:50 (treated) vs. incubation with the neutralized anti-pCABS1 antiserum diluted 1:50 (control). The bar chart demonstrates mean percentage ± SEM (n=200). *Significantly different from control sperm (P<0.05).